JPH0270841A - Cleaning method of sewer pipe - Google Patents
Cleaning method of sewer pipeInfo
- Publication number
- JPH0270841A JPH0270841A JP22134288A JP22134288A JPH0270841A JP H0270841 A JPH0270841 A JP H0270841A JP 22134288 A JP22134288 A JP 22134288A JP 22134288 A JP22134288 A JP 22134288A JP H0270841 A JPH0270841 A JP H0270841A
- Authority
- JP
- Japan
- Prior art keywords
- sewer pipe
- pipe
- water supply
- hose
- supply hose
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000013049 sediment Substances 0.000 abstract 2
- 238000003825 pressing Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 229920001875 Ebonite Polymers 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sewage (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、下水道管内の汚泥等の堆積物および下水道
管内の周囲の付着物を連続して吸引排出する方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for continuously suctioning and discharging deposits such as sludge in a sewer pipe and deposits around the pipe.
従来、下水道管内を清掃する方式として、特開昭６３−
７０７３０号公報により公表されているように、下水道
管内の左右両側の側壁に押付けられる走行装置を備えて
いる車体の前部に、駆動製掻寄せ終端部に向かって開口
させ、地上のトラックに固定されたウィンチ支持部材に
ウィンチを固定し、そのウィンチから繰り出されたロー
プを前記車体に連結し、前記走行装置を駆動すると共に
、ウィンチによりローブを介して車体を牽引して、掻寄
せ装置を支持している台車を前進移動させ、掻寄せ装置
により掻寄せられた下水道管内下部の堆積物を吸引管に
より吸引排出する方式が知られている。Conventionally, as a method of cleaning the inside of sewer pipes,
As announced in Publication No. 70730, the front part of the vehicle body is equipped with a running device that is pressed against the left and right side walls of the sewer pipe, and is opened toward the end of the drive scraper and fixed to a truck on the ground. A winch is fixed to the winch support member, and a rope fed out from the winch is connected to the vehicle body to drive the traveling device, and the winch pulls the vehicle body via the lobes to support the scraping device. There is a known method in which a trolley is moved forward, and the deposits collected in the lower part of the sewer pipe by a raking device are suctioned and discharged by a suction pipe.
前記従来の下水道管内清掃方式の場合は、下水道管内下
部の清掃を行なうことはできるが、下水道管内の上側の
付着物を排出して清掃することはできず、また一方のマ
ンホール内に置かれているウィンチのロープを他方のマ
ンホール内に置かれている車体に連結するためには、作
業員が、ロープの先端を手で持って、一方のマンホール
から下水道管内を通って他方のマンホールに移動する必
要があるので、煩雑な作業を必要とする。In the case of the conventional sewer pipe interior cleaning method, it is possible to clean the lower part of the sewer pipe, but it is not possible to drain and clean the upper part of the sewer pipe, and if the waste is placed in one manhole, the upper part of the sewer pipe cannot be cleaned. In order to connect the winch rope placed in the other manhole to the vehicle body placed in the other manhole, the worker must hold the end of the rope in his hand and move from one manhole through the sewer pipe to the other manhole. This requires complicated work.
さらにまた、下水道管が小内径であるときは、作業員が
下水道管内に入ることができないので、ワイヤーまたは
竹等の可撓性杆体の先端部にロープの端部を連結し、作
業員がその杆体を把持してロープと共に下水道管内に押
込み挿通する必要があるが、このような押込み挿通作業
は煩雑であり、またロープを挿通する下水道管が長尺で
あるときは、挿通作業が困難あるいは不可能な場合があ
る。Furthermore, when the sewer pipe has a small inner diameter, workers cannot enter the pipe, so the end of the rope is connected to the tip of a flexible rod such as wire or bamboo, so that the worker can It is necessary to grasp the rod and push it into the sewer pipe together with the rope, but such pushing and insertion work is complicated, and when the sewer pipe through which the rope is inserted is long, the insertion work may be difficult or impossible. It may be possible.
この発明は、下水道管内の全周の付着物や堆積物を吸引
して排出することができ、かつ管内清掃装置を牽引移動
する部材を、下水道管内に容易に挿通することができる
と共に、小内径の下水道管に対しても容易に挿通するこ
とができる下水道管内清掃方法を提供することを目的と
するものである。This invention is capable of suctioning and discharging deposits and deposits from all around the inside of the sewer pipe, and also allows a member for towing and moving the pipe cleaning device to be easily inserted into the sewer pipe, and has a small inner diameter. An object of the present invention is to provide a method for cleaning inside a sewer pipe that can be easily inserted into a sewer pipe.
〔課題を解決するための手段］
前記目的を達成するために、この発明の下水道管内７〜
掃方法においては、送水用ホース１の先端に取付けた推
進用ノズル２から高圧水を噴射させながら、その高圧水
の噴射反力により、送水用ホースｌを前部マンホール３
内から下水道管４内を通って後部マンホール５内に後退
移動させ、下水道管４の中心線を中心として回転される
回転吸引ノズル６を支持している吸引管７を備えている
管内清掃装置９に、前記送水用ホースｌの先端部を直接
または間接的に連結し、かつ前記吸引管７を、吸引ホー
ス１０を介して真空吸引源に接続し、次に前記送水用ホ
ース１により管内清掃装置９を牽引して前進走行させな
がら、前記回転吸引ノズル６を回転させて、下水道管４
内の付着堆積物を吸引排出する。[Means for solving the problem] In order to achieve the above-mentioned object, the sewerage pipe 7-
In the cleaning method, high-pressure water is jetted from a propulsion nozzle 2 attached to the tip of the water supply hose 1, and the water supply hose 1 is pushed through the front manhole 3 by the reaction force of the high-pressure water jet.
An internal pipe cleaning device 9 comprising a suction pipe 7 supporting a rotary suction nozzle 6 which is moved backward from the inside through the inside of the sewer pipe 4 into the rear manhole 5 and rotated around the center line of the sewer pipe 4. , connect the tip of the water supply hose 1 directly or indirectly, and connect the suction pipe 7 to a vacuum suction source via the suction hose 10, and then connect the water supply hose 1 to the pipe cleaning device. While towing and moving forward the rotary suction nozzle 6, the sewer pipe 4 is rotated.
Suction and discharge the deposits inside.
送水用ホース１の先端に取付けた推進用ノズル２から噴
射される高圧水の噴射反力により、送水用ホースＩが前
部マンホール３内から下水道管４内を通って後部マンホ
ール５内に自動的に移動される。送水用ホース１の先端
部が管内清掃装置９に対し直接または間接的に連結され
たのち、送水用ホースＩにより管内清掃装置９が牽引さ
れて前進走行すると共に、回転吸引ノズル６が回転され
、下水道管内の付着物および堆積物は、回転吸引ノズル
６、吸引管７および吸引ホース１０を経て吸引排出され
る。Due to the reaction force of high-pressure water jetted from the propulsion nozzle 2 attached to the tip of the water supply hose 1, the water supply hose I automatically passes from the front manhole 3 through the sewer pipe 4 and into the rear manhole 5. will be moved to After the tip of the water supply hose 1 is directly or indirectly connected to the pipe cleaning device 9, the pipe cleaning device 9 is pulled by the water supply hose I and travels forward, and the rotary suction nozzle 6 is rotated. The deposits and deposits in the sewer pipe are suctioned out through the rotary suction nozzle 6, suction pipe 7, and suction hose 10.
（実施例〕 次にこの発明を図示の例によって詳細に説明する。(Example〕 Next, the present invention will be explained in detail using illustrated examples.
第６図ないし第９図はこの発明の実施例において用いら
れる管内清掃装置９の第１例を示すものであって、円形
断面の下水道管４内を移動される移動フレーム１１にお
ける前部および後部の左右両側に、それぞれほぼ截頭円
錐形の走行用車輪８が取付けられ、前記下水道管４内に
同心的に配置される吸引管７は移動フレーム１１に固定
され、かつ下水道管４内に同心的に配置される筒体１２
の前端部に、下水道管４の内面に向かって開口する扁平
吸引口を有する吸引ノズル本体１３が一体に屈曲連設さ
れて、回転吸引ノズル６が構成され、その回転吸引ノズ
ル６における筒体１２の後部は、前記吸引管７の前端部
に軸受１４を介して回転自在に嵌入され、さらに筒体１
２の後端部外周に設けられた環状溝と吸引管７の前部内
周に設けられた環状溝とにわたって多数の抜は止め類ス
ラスト軸受用球体１５が嵌合され、また前記筒体１２の
前部は、移動フレーム１１における支承筒１６により軸
受１７を介して支承されている。6 to 9 show a first example of the pipe cleaning device 9 used in the embodiment of the present invention, and show the front and rear parts of a moving frame 11 that is moved inside a sewer pipe 4 having a circular cross section. A substantially truncated conical running wheel 8 is attached to the left and right sides of the sewage pipe 4, and the suction pipe 7, which is arranged concentrically within the sewer pipe 4, is fixed to a moving frame 11 and is mounted concentrically within the sewer pipe 4. Cylindrical body 12 arranged as
A suction nozzle main body 13 having a flat suction port opening toward the inner surface of the sewer pipe 4 is integrally connected to the front end of the rotary suction nozzle 6 to form a rotary suction nozzle 6. The rear part of the cylinder body 1 is rotatably fitted into the front end of the suction tube 7 via a bearing 14.
A large number of thrust bearing spheres 15 are fitted across the annular groove provided on the outer periphery of the rear end of the tube 2 and the annular groove provided on the inner periphery of the front portion of the suction tube 7. The front portion is supported by a support cylinder 16 in the moving frame 11 via a bearing 17.
前記移動フレーム１１の下部に、減速機およびブレーキ
付き電動機または液圧モータからなるノズル回転用駆動
装ｆｆ１Ｂが固定され、その駆動装置１Ｂの回転軸に固
定された駆動歯車１９は前記筒体１２の中間部に固定さ
れた従動歯車２ｏに噛み合わされ、前記駆動装置１８に
より回転吸引ノズル６が回転される。A nozzle rotation drive device ff1B consisting of a speed reducer and an electric motor with a brake or a hydraulic motor is fixed to the lower part of the moving frame 11, and a drive gear 19 fixed to the rotation shaft of the drive device 1B is connected to the cylindrical body 12. The rotary suction nozzle 6 is meshed with a driven gear 2o fixed to the intermediate portion, and is rotated by the drive device 18.
前記吸引ノズル本体１３における回転方向の後部側面に
、下水道管４の半径線に対し傾斜している支承部材２１
が固定され、硬質ゴム製スクレーバ２２とこれを固定し
たスクレーバ保持部材２３とは、下水道管４の内面に向
かって進退移動し得るように、前記支承部材２１に対し
摺動自在に嵌設され、かつスクレーパ押付用ばね２４を
収容したばね保持筒２５の基端部に調節用螺杵２６が固
定され、その螺杵２６は前記支承部材２１の基端部の端
板に挿通されて、一対のナツト２７．２８により固定さ
れ、さらに押圧杆２９の基端側部分が前記ばね保持筒２
５の先端部に摺動自在に嵌挿されると共に、押圧杆２９
の先端部が前記スクレーバ保持部材２３に係合され、ま
た前記スクレーパ２２およびスクレーバ保持部材２３の
先端側の前部に、下水道管４の内面から中心側に向かっ
て前方に偏位するように傾斜する乗り上げ誘導用斜面３
０が設けられている。前記スクレーパ２２は、スクレー
パ押付用ばね２４により押圧杆２９およびスクレーバ保
持部材２３を介して押圧されて、下水道管４の内面に押
付けられ、かつ前記スクレーパ２２は、回転吸引ノズル
６と一体になって第９図の矢印へ方向に回転する。A support member 21 that is inclined with respect to the radius line of the sewer pipe 4 is provided on the rear side surface of the suction nozzle main body 13 in the rotation direction.
is fixed, and the hard rubber scraper 22 and the scraper holding member 23 to which the scraper is fixed are slidably fitted to the support member 21 so as to be able to move forward and backward toward the inner surface of the sewer pipe 4, An adjusting screw 26 is fixed to the base end of the spring holding cylinder 25 that accommodates the scraper pressing spring 24, and the screw 26 is inserted through the end plate at the base of the support member 21, and the screw 26 is inserted into the end plate of the base end of the support member 21. It is fixed by nuts 27 and 28, and the base end portion of the pressing rod 29 is fixed to the spring holding cylinder 2.
The pressing rod 29 is slidably inserted into the tip of the pressing rod 29.
The distal end of the scraper 22 and the scraper retaining member 23 are engaged with the scraper retaining member 23, and the scraper 22 and the scraper retaining member 23 have a distal end inclined at the front end thereof so as to be deviated forward from the inner surface of the sewer pipe 4 toward the center. Slope 3 for guiding people to run on the ground
0 is set. The scraper 22 is pressed by the scraper pressing spring 24 via the pressing rod 29 and the scraper holding member 23, and is pressed against the inner surface of the sewer pipe 4, and the scraper 22 is integrated with the rotary suction nozzle 6. Rotate in the direction of the arrow in Figure 9.
前記移動フレーム１１の前部および後部の左右両側に、
上下方向に延長する内向きフランジ付き溝形断面のガイ
ド部材３１が固定されると共に、操作レバー３２の中間
部が横軸３３により枢着され、かつ前記ガイド部材３１
に昇降自在に嵌合された昇降部材３４に車輪支持部材３
５が固定され、その車輪支持部材３５の上端部に、下水
道管４の上部内面に押付けられる支承車輪３６が回転自
在に取付けられ、さらに前記操作レバー３２の一端部は
車輪支持部材３５に対しピン３７により枢着され、前記
操作レバー３２の他端部には、移動フレーム１１に取付
けられた昇降用液圧シリンダ３日のピストン杆がピンに
より枢着され、前記液圧シリンダ３８を伸縮すると、前
記支承車輪３６が昇降移動される。On both left and right sides of the front and rear parts of the moving frame 11,
A guide member 31 having a groove-shaped cross section with an inward flange extending in the vertical direction is fixed, and an intermediate portion of the operating lever 32 is pivotally mounted by a horizontal shaft 33, and the guide member 31
The wheel support member 3 is fitted to the elevating member 34, which is fitted so as to be able to rise and fall freely.
5 is fixed, and a support wheel 36 that is pressed against the upper inner surface of the sewer pipe 4 is rotatably attached to the upper end of the wheel support member 35, and one end of the operation lever 32 is pinned to the wheel support member 35. 37, and to the other end of the operating lever 32, a piston rod of a lifting hydraulic cylinder attached to the movable frame 11 is pivotally connected by a pin, and when the hydraulic cylinder 38 is expanded and contracted, The support wheel 36 is moved up and down.
前記回転吸引ノズル６における筒体１２の上方に、管内
清掃装置９の前方下部を撮影するテレビカメラ３９が配
置され、そのテレビカメラ３９は、移動フレーム１１に
おける支承筒１６の上部に取付具を介して固定され、か
つ前記テレビカメラ３９の左右両側に、Ｉ最影部を照明
する照明器具４０が連結部材を介して連結され、さらに
前記回転吸引ノズル６には、下水道管４の中心線上に配
置されたスラストベアリング４１を嵌設した軸受保持金
具４２が固定され、またその軸受保持金具４２の前端部
には、環状の軸受支承金具４３がボルト４４により固定
されている。A television camera 39 is arranged above the cylinder 12 of the rotary suction nozzle 6 to photograph the front lower part of the pipe cleaning device 9. A lighting fixture 40 for illuminating the darkest part of I is connected to the left and right sides of the television camera 39 via a connecting member, and a lighting fixture 40 is connected to the rotary suction nozzle 6 on the center line of the sewer pipe 4. A bearing holding fitting 42 in which a thrust bearing 41 is fitted is fixed, and an annular bearing supporting fitting 43 is fixed to the front end of the bearing holding fitting 42 with a bolt 44.
第１０図はこの発明の実施例において用いられる連結具
および推進用ノズル付きの送水用ホースを示すものであ
って、高圧水を圧送する送水用ホースｌの先端部に推進
用ノズル２が連結され、かつそのノズル２の先端部に固
定された連結軸４５の先端部にボルト４６が螺合され、
そのボルト４６に係合座金４７が嵌設され、さらに前記
ノズル２の周囲には、送水用ホース側に向かって斜めに
高圧水を噴射する噴水孔４９が設けられている。FIG. 10 shows a water supply hose equipped with a connector and a propelling nozzle used in an embodiment of the present invention, in which the propelling nozzle 2 is connected to the tip of the water supply hose l that pumps high-pressure water. , and a bolt 46 is screwed into the tip of a connecting shaft 45 fixed to the tip of the nozzle 2,
An engagement washer 47 is fitted onto the bolt 46, and a water fountain 49 is provided around the nozzle 2 to spray high-pressure water obliquely toward the water supply hose.
次に前記第１例の管内清掃装置９と第１Ｏ図に示す連結
具および推進用ノズル付きの送水用ホースｌとを使用し
て、下水道管内を清掃する場合について説明する。Next, a case will be described in which the inside of a sewer pipe is cleaned using the pipe cleaning device 9 of the first example and the water supply hose l equipped with the connector and the propelling nozzle shown in FIG. 1O.
まず第１図に示すように、前部マンホール（下流側マン
ホール）３付近の地上に、高圧水供給用ポンプ装置（図
示を省略した）および送水用ホース巻付リール５０を搭
載したトラック５１を配置し、かつ下水道管４の前端上
部にガイド滑車５２を取付け、前記送水用ホース巻付リ
ール５０から繰り出された送水用ホースｌを、前記ガイ
ド滑車５２を経て下水道管４内の前端部に導き、次いで
送水用ホース１の先端に取付けられた推進用ノズル２．
から高圧水を噴射して、その噴射反力により推進用ノズ
ル２およびこれに連結された送水用ホースｌを下水道管
４内の前端（下流側）から後方（上流側）に向かって移
動させていく。First, as shown in FIG. 1, a truck 51 carrying a high-pressure water supply pump device (not shown) and a water supply hose winding reel 50 is placed on the ground near the front manhole (downstream manhole) 3. and a guide pulley 52 is attached to the upper part of the front end of the sewer pipe 4, and the water supply hose l unwound from the water supply hose winding reel 50 is guided to the front end inside the sewer pipe 4 through the guide pulley 52, Next, a propulsion nozzle 2 is attached to the tip of the water supply hose 1.
High-pressure water is injected from the sewage pipe 4, and the propulsion nozzle 2 and the water supply hose l connected thereto are moved from the front end (downstream side) to the rear (upstream side) in the sewer pipe 4 by the reaction force of the injection. go.
また後部マンホール（上流側マンホール）５内の底部に
管内清掃装置９を配置し、かつ後部マンホール５付近の
地上に、真空唆引タンク５３１発電機、液圧ユニット、
モニターテレビ、制御盤等を搭載したトラック５４を配
置し、管内清掃装置９の吸引管７と真空吸引タンク５３
とを吸引ホースｌＯを介して接続すると共に、管内清掃
装置９における昇降用液圧シリンダ３８．ノズル回転用
駆動装置１８．照明器具４０．テレビカメラ３９等を、
前記トランク５４に搭載されだ液圧ユニット制御源、制
御盤等に対し、送液ホースやコード等を介して接続して
おく。In addition, a pipe cleaning device 9 is arranged at the bottom of the rear manhole (upstream manhole) 5, and a vacuum traction tank 531 generator, a hydraulic unit,
A truck 54 carrying a monitor TV, a control panel, etc. is installed, and the suction pipe 7 of the pipe cleaning device 9 and the vacuum suction tank 53 are installed.
are connected to each other via a suction hose IO, and also to a lifting hydraulic cylinder 38. in the pipe cleaning device 9. Nozzle rotation drive device 18. Lighting equipment 40. TV camera 39 etc.
The hydraulic unit mounted in the trunk 54 is connected to a control source, a control panel, etc. via a liquid supply hose, a cord, etc.
前記推進用ノズル２が後部マンホール５内に達したとき
、その推進用ノズル２からの高圧水の噴射を停止し、か
つ後部マンホール５内の底部に置かれている管内清掃装
置９における軸受支承金具４３およびスラストベアリン
グ４１を外して、それらをノズル２の先端の連結軸４５
に嵌合し、係合座金４７に挿通したボルト４６を連結軸
４５に螺合したのち、前記軸受支承金具４３を軸受保持
金具４２に対しボルト４４により固定する。When the propulsion nozzle 2 reaches the rear manhole 5, the jetting of high-pressure water from the propulsion nozzle 2 is stopped, and a bearing support in the pipe cleaning device 9 placed at the bottom of the rear manhole 5 is installed. 43 and thrust bearing 41, and attach them to the connecting shaft 45 at the tip of the nozzle 2.
After the bolt 46 inserted into the engagement washer 47 is screwed onto the connecting shaft 45, the bearing support fitting 43 is fixed to the bearing holding fitting 42 with the bolt 44.
次に第２図に示すように、管内清掃装置に接続された吸
引ホース１０．送液ホース、コード等を後部マンホール
５の底部に取付けたガイドシーブ５５に巻掛け、かつ回
転吸引ノズル６を回転すると共に、支承車輪３６を下水
道管４の上部内面に押付けた状態で、トラック５１上の
駆動装置によって送水用ホース巻付リール５ｏを巻取方
向に回転させることにより、送水用ホース１によって管
内清掃装置９を前方に牽引移動する。Next, as shown in FIG. 2, the suction hose 10 connected to the pipe cleaning device. With the liquid feeding hose, cord, etc. wrapped around the guide sheave 55 attached to the bottom of the rear manhole 5, the rotary suction nozzle 6 rotated, and the support wheel 36 pressed against the upper inner surface of the sewer pipe 4, the track 51 By rotating the water supply hose winding reel 5o in the winding direction by the upper drive device, the pipe cleaning device 9 is pulled forward by the water supply hose 1.
このようにすると、回転しながら前進移動する回転吸引
ノズル６により、下水道管４内の汚泥等の堆積物および
下水道管内面の付着物が吸引され、吸引された堆積物や
付着物等の異物は、吸引管７および吸引ホース１０を通
って真空吸引タンク５３内に吸引される。In this way, the rotary suction nozzle 6, which moves forward while rotating, suctions deposits such as sludge in the sewer pipe 4 and deposits on the inner surface of the sewer pipe, and removes foreign matter such as the suctioned deposits and deposits. , through the suction tube 7 and suction hose 10 into the vacuum suction tank 53.
管内清掃装置９が下水道管４の接続部を通過する場合、
第５図に示すように、下水道管４の接続部に段差がある
ときは、昇降用液圧シリンダ３８の短縮動作により支承
車輪３６を下降させた状態で、管内清掃装置９を一方の
下水道管から他方の下水道管に移動させる。この場合、
スクレーパ２２およびスクレーパ保持部材２３の前部に
乗り上げ誘導用斜面３０が設けられているので、スクレ
ーパ２２およびスクレーパ保持部材２３は、下水道管接
続部の段部をスムースに乗り越えていく。When the pipe cleaning device 9 passes through the connection part of the sewer pipe 4,
As shown in FIG. 5, when there is a level difference in the connection part of the sewer pipe 4, the inner pipe cleaning device 9 is moved to one of the sewer pipes while the support wheel 36 is lowered by the shortening operation of the lifting hydraulic cylinder 38. to the other sewer pipe. in this case,
Since the slope 30 for guiding the scraper 22 and the scraper holding member 23 is provided in front of the scraper 22 and the scraper holding member 23, the scraper 22 and the scraper holding member 23 smoothly climb over the stepped portion of the sewer pipe connection portion.
第１１図ないし第１４図はこの発明を実施する場合に使
用できる第２例の管内清掃装置を示すものであって、吸
引管７の下部に複数の滑り移動用そり５６が左右方向に
間隔をおいて配置され、そのそり５６と吸引管７とは連
結部材５７を介して連結され、かつ吸引管７の上部には
、ゴム製エアバッグ５８の前端部および後端部に固着さ
れた金属製前部支持板５９および金属製後部支持板６０
が溶接等により固着され、さらに前記エアバング５８の
上部外面に、前後方向に延長する複数の合成樹脂製滑り
材６１が左右方向に間隔をおいて配置されて接着材によ
り固着され、また前記後部支持板６０には、エアバッグ
５８内に連通ずる空気供給管６２が接続されているが、
その他の構成は第１例の管内清掃装置の場合と同様であ
る。11 to 14 show a second example of a pipe cleaning device that can be used in carrying out the present invention, in which a plurality of sliding sleds 56 are arranged at intervals in the left and right direction at the bottom of the suction pipe 7. The sled 56 and the suction pipe 7 are connected via a connecting member 57, and the upper part of the suction pipe 7 has metal parts fixed to the front and rear ends of the rubber airbag 58. Front support plate 59 and metal rear support plate 60
are fixed by welding or the like, and a plurality of synthetic resin sliding members 61 extending in the front-rear direction are arranged at intervals in the left-right direction and fixed with an adhesive on the upper outer surface of the air bang 58, and the rear support An air supply pipe 62 that communicates with the inside of the airbag 58 is connected to the plate 60.
The other configurations are the same as in the case of the pipe cleaning device of the first example.
第２例の管内清掃装置９の場合は、その管内清掃＠置９
が、下水道管４内の接続部以外の部分を移動したり、段
差のない接続部を移動するとき、エアバッグ５８内に圧
縮空気が供給されることにより、そのエアバッグ５８が
膨張されて、滑り材６１が下水道管４内の上部に押付け
られ、また管内清掃装置９が下水道管４の段差を有する
接続部を通過する場合は、第１４図に示すように、エア
バッグ５８内の圧縮空気が排出されて、エアバッグ５８
が収縮し、エアバッグ５日の上部の滑り材６１が下水道
管４内の上部から離反する。In the case of the second example of the pipe cleaning device 9, the pipe interior cleaning @ location 9
However, when moving through a portion of the sewer pipe 4 other than the connection, or when moving through a connection without a step, compressed air is supplied into the airbag 58, causing the airbag 58 to be inflated. When the sliding material 61 is pressed against the upper part of the sewer pipe 4 and the pipe cleaning device 9 passes through a connecting part of the sewer pipe 4 having a step, as shown in FIG. is ejected and the airbag 58
is contracted, and the sliding material 61 at the top of the airbag 5 separates from the top inside the sewer pipe 4.
この発明を実施する場合、接続された下水道管４の端部
内面間に大きな段差がないときは、硬質ゴム製スクレー
パ２２を省略して回転吸引ノズル６の先端開口部を下水
道管４の内面に近接させてもよい。また送水用ホースｌ
により推進用ノズル２を介して管内清掃装置９を前方に
牽引移動するとき、推進用ノズル２から水を噴射しても
よく、推進用ノズル２から水を噴射しなくてもよい。When carrying out this invention, if there is no large level difference between the inner surfaces of the ends of the connected sewer pipes 4, the hard rubber scraper 22 is omitted and the tip opening of the rotary suction nozzle 6 is placed on the inner surface of the sewer pipe 4. They may be placed close together. Also, water supply hose
When the pipe cleaning device 9 is towed forward via the propulsion nozzle 2, water may be injected from the propulsion nozzle 2, or water may not be injected from the propulsion nozzle 2.
送水用ホースｌを下水道管４に挿通したのち推進用ノズ
ル２を取外し、送水用ホースｌの先端部にボルト４６お
よび係合座金４７を有する連結軸４５を連結し、その連
結軸４５を前述のようにして管内清掃装置９に接続して
もよい。After inserting the water supply hose l into the sewer pipe 4, the propulsion nozzle 2 is removed, and a connecting shaft 45 having a bolt 46 and an engagement washer 47 is connected to the tip of the water supply hose l, and the connecting shaft 45 is It may also be connected to the pipe cleaning device 9 in this manner.
前記移動フレーム１１に走行用車輪８を取付けると共に
吸引管７の上部に前述のようなエアバングを取付けても
よく、また移動フレーム１１の下部に滑り移動用そりを
取付けると共に、移動フレーム１１の上部に昇降用液圧
シリンダにより昇降移動される支承車輪を設けてもよい
。さらにまた、前記送水用ホースｌとしては、周壁にホ
ース長手方向に延長する金属線を埋設したゴム製耐高圧
ホースを使用してもよく、あるいは周壁に顎状繊維を埋
設したゴム製耐高圧ホースを使用してもよい。Traveling wheels 8 may be attached to the movable frame 11, and an air band as described above may be attached to the upper part of the suction pipe 7. Also, a sled for sliding movement may be attached to the lower part of the movable frame 11, and a sled for sliding movement may be attached to the lower part of the movable frame 11. A support wheel may be provided that is moved up and down by a lifting hydraulic cylinder. Furthermore, as the water supply hose l, a rubber high-pressure resistant hose with a metal wire embedded in its peripheral wall that extends in the longitudinal direction of the hose may be used, or a rubber high-pressure resistant hose with jaw-shaped fibers embedded in its peripheral wall. may be used.
この発明は、前述のように構成されているので、以下に
記載するような効果を奏する。Since the present invention is configured as described above, it produces the effects described below.
送水用ホース１の先端に取付けた推進用ノズル２から高
圧水を噴射させながら、その高圧水の噴射反力により、
送水用ホース１を前部マンホール３内から下水道管４内
を通って後部マンホール５内に後退移動させるので、送
水用ホース１を簡単な手段によって自動的に下水道管４
内に挿通することができ、か゛つ小内径の下水道管４に
対しても送水用ホース１を支障なく挿通ずることができ
、さらに回転吸引ノズル６は、下水道管４の中心線を中
心として回転しながら下水道管４の長手方向に移動して
、下水道管４内の堆積物および下水道管４内の全周の付
着物を吸引するので、下水道管４内の全周を自動的に清
掃することができる。While jetting high-pressure water from the propulsion nozzle 2 attached to the tip of the water supply hose 1, the jetting reaction force of the high-pressure water causes
Since the water supply hose 1 is moved backward from the front manhole 3 through the sewer pipe 4 and into the rear manhole 5, the water supply hose 1 is automatically moved to the sewer pipe 4 by a simple means.
The water supply hose 1 can be inserted into the sewer pipe 4 having a small inner diameter without any trouble, and the rotating suction nozzle 6 rotates around the center line of the sewer pipe 4. While moving in the longitudinal direction of the sewer pipe 4, it sucks up deposits inside the sewer pipe 4 and deposits all around the inside of the sewer pipe 4, so that the entire circumference inside the sewer pipe 4 can be automatically cleaned. Can be done.
第１図ないし第１０図はこの発明の一実施例を示すもの
であって、第１図は推進用ノズルの噴射反力により送水
用ホースを下水道管内に挿通している状態を示す概略縦
断側面図、第２図は送水用ホースにより推進用ノズルを
介して管内清掃装置を前方に牽引移動して下水道管内の
清掃を行なっている状態を示す概略縦断側面図、第３図
は第２図の一部を拡大して示す一部縦断側面図、第４図
は下水道管内の管内清掃装置付近を示す一部横断平面図
である。第５図は管内清掃装置が下水道管接続部の段差
部を通過するときの状態を示す一部縦断側面図である。
第６図ないし第９図はこの発明の実施例において用いら
れる管内清掃装置の第１例を示すものであって、第６図
は側面図、第７図は平面図、第８図は一部縦断側面図、
第９図は一部縦断正面図である。第１Ｏ図はこの発明の
実施例において用いられる推進用ノズルおよび連結具付
き送水用ホースを示す平面図である。
第１１図ないし第１４図はこの発明を実施する場合に使
用できる第２例の管内清掃装置を示すものであって、第
１１図は一部縦断側面図、第１２図は平面図、第１３図
は第１１図のＡ−Ａ線断面図、第１４図は管内清掃装置
が下水道管接続部の段差部を通過するときの状態を示す
一部縦断側面図である。
図において、ｌは送水用ホース、２は推進用ノズル、３
は前部マンホール、４は下水道管、５は後部マンホール
、６は回転吸引ノズル、７は吸引管、８は走行用車輪、
９は管内清掃装置、ｌＯは吸引ホース、１１は移動フレ
ーム、１２は筒体、１３は吸引ノズル本体、１６は支承
筒、１８はノズル回転用駆動装置、１９は駆動歯車、２
０は従動歯車、２２は硬質ゴム製スクレーパ、２３はス
クレーパ保持部材、２４はスクレーパ押付用ばね、２５
はばね保持筒、３０は乗り上げ誘導用斜面、３１はガイ
ド部材、３２は操作レバー ３４は昇降部材、３５は車
輪支持部材、３６は支承車輪、３８は昇降用液圧シリン
ダ、３９はテレビカメラ、４１はスラストヘアリング、
４２は軸受保持金具、４３は軸受支承金具、４４はボル
ト、４５は連結軸、４６はボルト、４７は係合座金、４
９は噴水孔、５３は真空吸引タンク、５６は滑り移動用
そり、５日はゴム製エアバッグ、６１は合成樹脂製滑り
材、６２は空気供給管である。Figures 1 to 10 show an embodiment of the present invention, and Figure 1 is a schematic longitudinal cross-sectional side view showing a state in which a water supply hose is inserted into a sewer pipe by the jet reaction force of a propulsion nozzle. Figure 2 is a schematic vertical cross-sectional side view showing the inside of a sewer pipe being cleaned by towing the pipe cleaning device forward with a water supply hose through a propulsion nozzle, and Figure 3 is the same as in Figure 2. FIG. 4 is a partially cross-sectional side view showing a part enlarged, and FIG. 4 is a partially cross-sectional plan view showing the vicinity of the pipe cleaning device in the sewer pipe. FIG. 5 is a partially longitudinal side view showing the state when the pipe cleaning device passes through a stepped portion of a sewer pipe connection portion. 6 to 9 show a first example of a pipe cleaning device used in an embodiment of the present invention, in which FIG. 6 is a side view, FIG. 7 is a plan view, and FIG. 8 is a partial view. longitudinal side view,
FIG. 9 is a partially longitudinal front view. FIG. 1O is a plan view showing a propulsion nozzle and a water supply hose with a connector used in an embodiment of the present invention. 11 to 14 show a second example of a pipe cleaning device that can be used in carrying out the present invention, in which FIG. 11 is a partially longitudinal side view, FIG. 12 is a plan view, and FIG. The figure is a sectional view taken along the line A-A in FIG. 11, and FIG. 14 is a partially longitudinal side view showing the state when the pipe cleaning device passes through the stepped portion of the sewer pipe connection section. In the figure, l is a water supply hose, 2 is a propulsion nozzle, and 3
is a front manhole, 4 is a sewer pipe, 5 is a rear manhole, 6 is a rotating suction nozzle, 7 is a suction pipe, 8 is a running wheel,
9 is a tube cleaning device, IO is a suction hose, 11 is a moving frame, 12 is a cylinder, 13 is a suction nozzle main body, 16 is a support cylinder, 18 is a drive device for rotating the nozzle, 19 is a drive gear, 2
0 is a driven gear, 22 is a hard rubber scraper, 23 is a scraper holding member, 24 is a spring for pressing the scraper, 25
30 is a climbing guide slope, 31 is a guide member, 32 is an operating lever, 34 is an elevating member, 35 is a wheel support member, 36 is a support wheel, 38 is a hydraulic cylinder for elevating, 39 is a television camera, 41 is a thrust hair ring,
42 is a bearing holding metal fitting, 43 is a bearing supporting metal fitting, 44 is a bolt, 45 is a connecting shaft, 46 is a bolt, 47 is an engagement washer, 4
9 is a fountain hole, 53 is a vacuum suction tank, 56 is a sled for sliding movement, 5 is a rubber air bag, 61 is a synthetic resin sliding material, and 62 is an air supply pipe.
Claims (1)
圧水を噴射させながら、その高圧水の噴射反力により、
送水用ホース１を前部マンホール３内から下水道管４内
を通って後部マンホール５内に後退移動させ、下水道管
４の中心線を中心として回転される回転吸引ノズル６を
支持している吸引管７を備えている管内清掃装置９に、
前記送水用ホース１の先端部を直接または間接的に連結
し、かつ前記吸引管７を、吸引ホース１０を介して真空
吸引源に接続し、次に前記送水用ホース１により管内清
掃装置９を牽引して前進走行させながら、前記回転吸引
ノズル６を回転させて、下水道管４内の付着堆積物を吸
引排出する下水道管内清掃方法。While jetting high-pressure water from the propulsion nozzle 2 attached to the tip of the water supply hose 1, the jetting reaction force of the high-pressure water causes
The water supply hose 1 is moved backward from the front manhole 3 through the sewer pipe 4 and into the rear manhole 5, and the suction pipe supports a rotary suction nozzle 6 that is rotated about the center line of the sewer pipe 4. In the pipe cleaning device 9 equipped with 7,
The tips of the water supply hose 1 are connected directly or indirectly, and the suction pipe 7 is connected to a vacuum suction source via the suction hose 10, and then the pipe cleaning device 9 is connected by the water supply hose 1. A method for cleaning the inside of a sewer pipe, in which the rotary suction nozzle 6 is rotated while being towed and moved forward to suction and discharge deposits inside the sewer pipe 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22134288A JPH0830359B2 (en) | 1988-09-06 | 1988-09-06 | Sewer pipe cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22134288A JPH0830359B2 (en) | 1988-09-06 | 1988-09-06 | Sewer pipe cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0270841A true JPH0270841A (en) | 1990-03-09 |
| JPH0830359B2 JPH0830359B2 (en) | 1996-03-27 |
Family
ID=16765304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22134288A Expired - Lifetime JPH0830359B2 (en) | 1988-09-06 | 1988-09-06 | Sewer pipe cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0830359B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8137094B2 (en) | 2000-10-11 | 2012-03-20 | Ocv Intellectual Capital, Llc | Method and device for producing a composite yarn |
| US8470218B2 (en) | 2006-03-30 | 2013-06-25 | Ocv Intellectual Capital, Llc | Process and device for manufacturing a composite strand |
| US8882019B2 (en) | 2006-04-10 | 2014-11-11 | Ocv Intellectual Capital, Llc | Method for the manufacture of a wound package with separate strands |
| JP2021130958A (en) * | 2020-02-19 | 2021-09-09 | 管清工業株式会社 | In-pipe cleaning method |
| CN117385999A (en) * | 2023-10-31 | 2024-01-12 | 上海勘测设计研究院有限公司 | A high water level pipe network dredging device |
-
1988
- 1988-09-06 JP JP22134288A patent/JPH0830359B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8137094B2 (en) | 2000-10-11 | 2012-03-20 | Ocv Intellectual Capital, Llc | Method and device for producing a composite yarn |
| US8470218B2 (en) | 2006-03-30 | 2013-06-25 | Ocv Intellectual Capital, Llc | Process and device for manufacturing a composite strand |
| US8882019B2 (en) | 2006-04-10 | 2014-11-11 | Ocv Intellectual Capital, Llc | Method for the manufacture of a wound package with separate strands |
| JP2021130958A (en) * | 2020-02-19 | 2021-09-09 | 管清工業株式会社 | In-pipe cleaning method |
| CN117385999A (en) * | 2023-10-31 | 2024-01-12 | 上海勘测设计研究院有限公司 | A high water level pipe network dredging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0830359B2 (en) | 1996-03-27 |
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