JPS60190851U - Earth and sand pumping pipe - Google Patents

Earth and sand pumping pipe

Info

Publication number
JPS60190851U
JPS60190851U JP7796284U JP7796284U JPS60190851U JP S60190851 U JPS60190851 U JP S60190851U JP 7796284 U JP7796284 U JP 7796284U JP 7796284 U JP7796284 U JP 7796284U JP S60190851 U JPS60190851 U JP S60190851U
Authority
JP
Japan
Prior art keywords
friction material
pipe body
earth
pipe
pressure
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.)
Granted
Application number
JP7796284U
Other languages
Japanese (ja)
Other versions
JPH0121276Y2 (en
Inventor
清 土屋
須田　正男
誠 太田
義也 長野
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP7796284U priority Critical patent/JPS60190851U/en
Publication of JPS60190851U publication Critical patent/JPS60190851U/en
Application granted granted Critical
Publication of JPH0121276Y2 publication Critical patent/JPH0121276Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Protection Of Pipes Against Damage, Friction, And Corrosion (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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る土砂圧送パイプの一実施例を示し
た断面図である。第２図は従来の土砂圧送パイプを示し
た断面図である。 １・・・・・・土砂、２・・・・・・減摩材供給口、５
・・・・・・パイプ本体、６・・・・・・減摩材、７・
・・・・・減摩材温用室、８・・・・・・弁部材、８１
・・・・・・リップ部、９・・・・・・減摩材噴出口。FIG. 1 is a sectional view showing an embodiment of the earth and sand pumping pipe according to the present invention. FIG. 2 is a sectional view showing a conventional earth and sand pumping pipe. 1... Earth and sand, 2... Anti-friction material supply port, 5
... Pipe body, 6 ... Anti-friction material, 7.
...Anti-friction material greenhouse, 8...Valve member, 81
...Lip part, 9...Anti-friction material spout.

Claims (1)

【実用新案登録請求の範囲】 １　パイプ本体に環状の減摩材温用室を設け、そのパイ
プ本体の内壁面に環状の減摩材噴出口を減摩材温用室と
パイプ本体とを連通させて設け、前記パイプ本体に減摩
材供給口を減摩材温用室と連通させて設け、減摩材温用
室内の減摩材供給口と減摩材噴出口との間に環状の弁部
材を介装し、その弁部材は減摩材温用室内の減摩材供給
口側の圧力がパイプ本体内の圧力より小さいと閉じ、大
きいと開くように構成したことを特徴とする土砂圧送パ
イプ。 ２　減摩材噴出口はパイプ本体内の土砂の流れの下流方
向に向けたことを特徴とする実用新案登録請求の範囲第
１項記載の土砂圧送パイプ。[Scope of Claim for Utility Model Registration] 1. An annular anti-friction material greenhouse is provided in the pipe body, and an annular anti-friction material spout is provided on the inner wall surface of the pipe body to communicate the anti-friction material greenhouse chamber with the pipe body. an annular pipe is provided between the anti-friction material supply port in the anti-friction material greenhouse chamber and the anti-friction material spout port in the anti-friction material greenhouse chamber; Sediment comprising a valve member, and the valve member is configured to close when the pressure on the anti-friction material supply port side in the anti-friction material greenhouse is smaller than the pressure inside the pipe body, and to open when the pressure is larger than the pressure inside the pipe body. pressure pipe. 2. The earth and sand pumping pipe according to claim 1, wherein the anti-friction material spout is oriented in the downstream direction of the flow of earth and sand within the pipe body.
JP7796284U 1984-05-29 1984-05-29 Earth and sand pumping pipe Granted JPS60190851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7796284U JPS60190851U (en) 1984-05-29 1984-05-29 Earth and sand pumping pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7796284U JPS60190851U (en) 1984-05-29 1984-05-29 Earth and sand pumping pipe

Publications (2)

Publication Number Publication Date
JPS60190851U true JPS60190851U (en) 1985-12-18
JPH0121276Y2 JPH0121276Y2 (en) 1989-06-26

Family

ID=30621507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7796284U Granted JPS60190851U (en) 1984-05-29 1984-05-29 Earth and sand pumping pipe

Country Status (1)

Country Link
JP (1) JPS60190851U (en)

Also Published As

Publication number Publication date
JPH0121276Y2 (en) 1989-06-26

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