JPS63176593A - Hydraulic type propeller for small-bore pipe burying machine - Google Patents
Hydraulic type propeller for small-bore pipe burying machineInfo
- Publication number
- JPS63176593A JPS63176593A JP337087A JP337087A JPS63176593A JP S63176593 A JPS63176593 A JP S63176593A JP 337087 A JP337087 A JP 337087A JP 337087 A JP337087 A JP 337087A JP S63176593 A JPS63176593 A JP S63176593A
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- chuck
- reaction force
- small
- hydraulic
- 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.)
- Pending
Links
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、小口径管を先導管に続いて土中に推進させ
ながら埋設できよるようにした小口径管埋設機の油圧式
推進装置に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a hydraulic propulsion device for a small-diameter pipe burying machine that is capable of burying a small-diameter pipe while propelling it into the soil following a leading pipe. .
（従来の技術）
従来は、油圧式推進ジヤツキの推力により先端側先導管
およびそれに続く小口径管を推進して埋設できるように
構成した小口径管埋設機において、推進ジヤツキの推進
反力を後方の反力板で受けるようにしたり、また、推進
ジヤツキを架台にピンを介して係止するような構造にな
っていた。(Prior art) Conventionally, in a small-diameter pipe burying machine configured to use the thrust of a hydraulic propulsion jack to propel and bury a tip-side leading pipe and a small-diameter pipe following it, the propulsion reaction force of the propulsion jack is transferred backward. The structure was such that the reaction force was received by a reaction plate, and the propulsion jack was secured to the mount via a pin.
（発明が解決しようとする問題点）
そのため、前者の従来例では、ジヤツキと反力板の間に
スペーサを挿入したりして作業スペースが狭くなり、ジ
ヤツキがストロークの長い構造となったり、あるいは多
段式で複雑となり。(Problem to be solved by the invention) Therefore, in the former conventional example, a spacer is inserted between the jack and the reaction plate, which narrows the working space, and the jack has a structure with a long stroke, or the jack has a multi-stage structure. It gets complicated.
また、後者の従来例では、ジヤツキが１ストロークごと
にピンの出し入れをしなければならないので１作業能率
が上がらないといった問題点をそれぞれ有していた。Furthermore, in the latter conventional example, the jack has to take out and put in the pin for each stroke, which has the problem of not increasing the efficiency of one operation.
（問題点を解決するための手段）
この発明は、そのような問題点を解消することができて
、省力化とともに作業能率および効率を向上させて埋設
作業を良好に行なえるようにしたものであり、そのため
、推進方向に架設した反力受棒には、先導管等を押し引
きすることができるピストン部を存した油圧式推進ジヤ
ツキと、該ジヤツキに連結固定した油圧式チャックとを
嵌挿し、該チャックと反力受棒との係゛ 脱およびピス
トン部の伸縮が油圧により交互に行われて推進ジヤツキ
やチャックが反力受棒にそって前後動できるように構成
したものである。(Means for Solving the Problems) The present invention is capable of solving such problems, saving labor, improving work efficiency and efficiency, and making it possible to carry out burial work well. Therefore, a hydraulic propulsion jack with a piston part that can push and pull the leading pipe, etc., and a hydraulic chuck connected and fixed to the jack are inserted into the reaction rod installed in the propulsion direction. The chuck and the reaction force receiving rod are engaged and disengaged and the piston portion is extended and contracted alternately by hydraulic pressure, so that the propulsion jack and the chuck can move back and forth along the reaction force receiving rod.
（作 用）
したがって１反力受板にチャックが保持されている状態
で推進ジヤツキが伸びながら先導管等を推進させ、その
後にチャックが解放されると推進ジヤツキが縮みながら
チャックを移動させ、同様にしてその連続工程を反復く
り返し。(Function) Therefore, with the chuck held on the reaction force receiving plate 1, the propulsion jack expands and propels the leading pipe, etc. When the chuck is released, the propulsion jack contracts and moves the chuck, and the same goes for the chuck. Then repeat the continuous process over and over again.
いわゆる尺取り主運動を行なってチャックと推進ジヤツ
キが反力受棒にそって前進したり、またｉ＆進して埋設
作業を行なうことができることになる。This means that the chuck and the propulsion jack can move forward along the reaction force receiving rod by performing a so-called length-taking main movement, and can perform burying work by moving forward.
（実施例） 次にこの発明を図面に示す実施例について説明する。(Example) Next, embodiments of the present invention shown in the drawings will be described.
第１図は小口径管埋設機の側面図を示し９発進立坑５の
底部に配備した架台６の上方両側には両反力受棒３，３
を平行かつ水平にそれぞれ架設するとともに、両反力受
棒３．３の前後端に衝合する反力板７．８を立坑５の前
後面にそれぞれ接触させて立設し１両端部を両反力受棒
３．３にそれぞれ摺動自在に嵌挿する押盤９の中央前面
側には、先端側に掘削へノド２ａを存する先導管２の後
部を、また該先導管２の後方に連ねる小口径管（図示省
略）の後部を接合できるように装設し１両反力受棒３，
３には油圧作動のホルダー４ａを有する両チャック４．
４をそれぞれ遊嵌し１両反力受棒３．３にそれぞれ摺動
自在に嵌挿する油圧シリンダ形の両推進ジヤツキ１．１
の後部を両チャック４．４の前部にそれぞれ連結固定し
１両推進ジヤツキ１．１の内部より前方に出退するピス
トン部１ａ、 ｌａの前端部を前記押ｖ１９の両端背面
にそれぞれ連結固定して構成する。Figure 1 shows a side view of the small diameter pipe burying machine.9 Reaction force receiving rods 3 and 3
are erected parallel and horizontally, and reaction plates 7.8 that abut the front and rear ends of both reaction force receiving rods 3.3 are erected in contact with the front and rear surfaces of the shaft 5, respectively, so that both ends of the On the central front side of the press plate 9 which is slidably inserted into the reaction force receiving rods 3.3, there is a rear part of the leading pipe 2, which has a throat 2a for excavation on the tip side, and a rear part of the leading pipe 2, One reaction force receiving rod 3 is installed so that the rear parts of connected small diameter pipes (not shown) can be joined.
Both chucks 4.3 have hydraulically operated holders 4a.
Hydraulic cylinder type double propulsion jacks 1.1 which are loosely fitted into the two reaction force receiving rods 3.3 respectively and slidably inserted into the two reaction force receiving rods 3.3.
The rear parts of the piston parts 1a and 1a, which move forward and retract from the inside of the two-propulsion jack 1.1, are connected and fixed to the front parts of both chucks 4.4, respectively, and the front ends of the piston parts 1a and 1a, which move forward and retract from the inside of the two-propulsion jack 1.1, are connected and fixed to the rear surfaces of both ends of the pusher 19, respectively. and configure.
また、立坑５の内外にはコントロール装置１０や油圧ユ
ニット１１を配備するとともに、第４図に示すように、
電磁パルプ１２．１３．セレクターパルプ１４．ロジッ
クパルプ１５．スローリターンバルプエ６を有する油圧
回路を介して推進ジヤツキｌ、ｌおよびチャック４．４
に連動連通ずるように装設して構成する。In addition, a control device 10 and a hydraulic unit 11 are installed inside and outside the shaft 5, and as shown in FIG.
Electromagnetic pulp 12.13. Selector pulp 14. Logic Pulp 15. Propulsion jack l, l and chuck 4.4 through a hydraulic circuit with slow return valve 6
It is installed and configured so that it is linked and communicated with.
したがって１作業的には、第１図に示す状態から２両チ
ャック４．４および両推進ジヤツキ１．１が両反力受棒
３，３にそって前進しながら先導管２を矢印（イ）方向
に推進させて土中に押し進め、先４管２が土中に侵入し
たところで。Therefore, in one operation, the two chucks 4.4 and the two propulsion jacks 1.1 advance along the reaction force receiving rods 3, 3 from the state shown in FIG. Propel it in the direction and push it into the soil, and when the first 4 pipes 2 have penetrated into the soil.
両チャック４，４および両推進ジヤツキ１． １を第１
図に示すように後退させて、先導管２の後端と押盤９の
間に上方から小口径管を装入してつなぎ、再び押盤９を
前進させてその小口径管を土中に推進させながら、同様
にして小口径管をつないで従来同様にして埋設作業を行
なうことになる。Both chucks 4, 4 and both propulsion jacks 1. 1 first
As shown in the figure, the small-diameter pipe is moved backward and inserted from above between the rear end of the leading pipe 2 and the pusher 9 to connect it, and the pusher 9 is moved forward again to immerse the small-diameter pipe into the soil. While propelling it, small-diameter pipes are connected in the same way and burying work is performed in the same manner as before.
その場合１両推進ジヤツキ１．１と両チャック４．４は
、第５図の作動表に示すように作動することになる。In that case, the single propulsion jack 1.1 and both chucks 4.4 will operate as shown in the operation table of FIG.
すなわち、前進方向の推進時には、チャック・４．４が
反力受棒３，３に保持されて推進ジヤツキ１．１が押す
方向に伸び９次いで、チャック４．４が解放されて推進
ジヤツキ１．１が推進方向に縮むように、電磁パルプ１
２．１３のソレノイド励磁を＋ａ！＋ｂｌおよびａ、＋
ｂｇとなるようにくり返して通電すると、チャック４．
４と推進ジヤツキ１．１はいわゆる尺取り主運動を行な
って前進することになり、また、推進途中で異常が発生
したり、押盤９を後退側に移動させる場合には、チャッ
ク４．４の保持のタイミングが逆になるように、ソレノ
イド励磁がａ、＋ｂ１およびａ２＋ｂｌとなるように通
電すると９尺取り主運動で後退させることができること
になる。That is, during forward propulsion, the chuck 4.4 is held by the reaction force receiving rods 3, 3 and extends in the pushing direction of the propulsion jack 1.1, and then the chuck 4.4 is released and the propulsion jack 1. Electromagnetic pulp 1 so that 1 shrinks in the direction of propulsion
2.13 solenoid excitation +a! +bl and a, +
When the current is applied repeatedly so that the voltage becomes 4.
4 and the propulsion jack 1.1 move forward by performing a so-called main movement, and if an abnormality occurs during propulsion or if the push plate 9 is moved to the backward side, the chuck 4.4 If the solenoid excitation is energized to a, +b1, and a2+bl so that the timing of holding is reversed, it will be possible to retreat with a 9-shaku main movement.
なお、セレクターパルプ１４は、チャックする時のＹ方
向またはチャックしない時のＸ方向からＹ、に流すよう
にしたものであり、ロジックバルブ１５は、チャック４
の油圧が推進ジヤツキ１の油圧より常に大となってチャ
ック４が滑らないようにしたものであり、スローリター
ンパルプ１６は、推進が終って電磁バルブを中立に戻し
た時に反力板の弾性復元により瞬時にチャックが解放さ
れて架台全体に衝撃が発生するのを防止するためのもの
であり、チャック解放時に絞り部を通することにより緩
衝効果を出すことができて、推進反力の大きさ２反力板
のたわみの程度で、絞り量を調整することができるもの
である。The selector pulp 14 is configured to flow in the Y direction when chucked or from the X direction to Y when not chucked, and the logic valve 15 is configured to flow in the Y direction when chucked
The hydraulic pressure of the propulsion jack 1 is always higher than that of the propulsion jack 1 to prevent the chuck 4 from slipping, and the slow return pulp 16 restores the elasticity of the reaction plate when the electromagnetic valve is returned to neutral after propulsion. This is to prevent the chuck from being released instantaneously and causing a shock to the entire frame.When the chuck is released, by passing it through the constriction part, it can create a buffering effect and reduce the magnitude of the propulsive reaction force. 2 The amount of aperture can be adjusted by the degree of deflection of the reaction plate.
また、推進ジヤツキ１の伸び縮みのストロークエンドを
電気的に検出して、電磁パルプ１２゜１３を順次作動さ
せながら自動推進できるように構成することもできる。It is also possible to electrically detect the end of the stroke of expansion and contraction of the propulsion jack 1 and automatically propel the vehicle while sequentially operating the electromagnetic pulps 12 and 13.
（発明の効果）
このようにこの発明は、油圧式推進ジヤツキとこれに連
結固定した油圧式チャックとをいわゆる尺取り主運動を
行わせなから反力受棒にそわせて前後進させることがで
きるように構成したから５狭いスペース内で効率良く推
進作業を行わせることができることになり、また１作業
者は少なく省力化できるとともに能率の良い作業を行な
うことができることになり、従来形の問題点を解消でき
る有効な埋設作業ができることになって好適に実施でき
る特長を有する。(Effects of the Invention) In this way, the present invention makes it possible to move the hydraulic propulsion jack and the hydraulic chuck connected and fixed thereto forward and backward along the reaction force receiving rod without performing the so-called length-taking main movement. Because the structure is designed to allow for efficient propulsion work in a narrow space, the number of workers required can be reduced, labor can be saved, and the work can be done more efficiently, eliminating the problems of conventional methods. It has the advantage of being able to perform effective burying work that eliminates problems and can be carried out suitably.
第１図はこの発明の実施例である全体の側面図、第２図
は第１図の一部の正面図、第３図は要部の側断面図、第
４図は油圧回路図、第５図は作動表を示す。
ｌ・・・推進ジヤツキ、 ２・・・先導管。
３・・・反力受棒、 ４・・・チャック。
ｌａ・・・ピストン部。
特許出願人 株式会社小松製作所
代理人 （弁理士）松 澤 統
第２図
第３図Fig. 1 is an overall side view of an embodiment of the present invention, Fig. 2 is a front view of a part of Fig. 1, Fig. 3 is a side sectional view of the main part, Fig. 4 is a hydraulic circuit diagram, and Fig. 4 is a hydraulic circuit diagram. Figure 5 shows the operation table. l... Propulsion jack, 2... Leading pipe. 3... Reaction force receiving rod, 4... Chuck. la...Piston part. Patent applicant Komatsu Ltd. Agent (patent attorney) Osamu Matsuzawa Figure 2 Figure 3
Claims (1)
れに続く小口径管を推進して埋設できるように構成した
小口径管埋設機において、推進方向に架設した反力受棒
には、前記先導管等を押し引きすることができるピスト
ン部を有した油圧式推進ジャッキと、該ジャッキに連結
固定した油圧式チャックとを嵌挿し、該チャックと反力
受棒との係脱および前記ピストン部の伸縮が油圧により
交互に行われて推進ジャッキとチャックが反力受棒にそ
って前後動できるように構成したことを特徴とする油圧
式推進装置。In a small-diameter pipe burying machine configured to be able to propel and bury a tip-side leading pipe and a small-diameter pipe following it by the thrust of a hydraulic propulsion jack, a reaction force receiving rod installed in the direction of propulsion carries the aforementioned leading pipe, etc. A hydraulic propulsion jack having a piston part that can push and pull the same, and a hydraulic chuck connected and fixed to the jack are fitted and inserted, and the chuck and the reaction force receiving rod are engaged and disengaged, and the piston part expands and contracts. A hydraulic propulsion device characterized in that the propulsion jack and chuck are configured to move back and forth along a reaction force receiving rod alternately using hydraulic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP337087A JPS63176593A (en) | 1987-01-12 | 1987-01-12 | Hydraulic type propeller for small-bore pipe burying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP337087A JPS63176593A (en) | 1987-01-12 | 1987-01-12 | Hydraulic type propeller for small-bore pipe burying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176593A true JPS63176593A (en) | 1988-07-20 |
Family
ID=11555459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP337087A Pending JPS63176593A (en) | 1987-01-12 | 1987-01-12 | Hydraulic type propeller for small-bore pipe burying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119096U (en) * | 1990-03-19 | 1991-12-09 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5149510A (en) * | 1974-10-26 | 1976-04-28 | Otaki Jatsuki Kk | CHICHUSUISHINHAIKANKOHO |
-
1987
- 1987-01-12 JP JP337087A patent/JPS63176593A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5149510A (en) * | 1974-10-26 | 1976-04-28 | Otaki Jatsuki Kk | CHICHUSUISHINHAIKANKOHO |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119096U (en) * | 1990-03-19 | 1991-12-09 |
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