JPH04122561A - In-pipe polishing method - Google Patents
In-pipe polishing methodInfo
- Publication number
- JPH04122561A JPH04122561A JP24424790A JP24424790A JPH04122561A JP H04122561 A JPH04122561 A JP H04122561A JP 24424790 A JP24424790 A JP 24424790A JP 24424790 A JP24424790 A JP 24424790A JP H04122561 A JPH04122561 A JP H04122561A
- Authority
- JP
- Japan
- Prior art keywords
- traction
- tube
- pipe
- polishing device
- polishing
- 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
- 238000005498 polishing Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims description 22
- 239000003082 abrasive agent Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 description 1
- 101000579647 Penaeus vannamei Penaeidin-2a Proteins 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、既設配管等の管の内面に付着した異物や錆を
除去するための管内研磨方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for polishing inside a pipe for removing foreign matter and rust attached to the inner surface of a pipe such as an existing pipe.
従来 水道管等の管の内面に付着した異物や錆を除去し
た後、管の内面を塗装している。Conventionally, after removing foreign matter and rust that have adhered to the inner surface of water pipes, etc., the inner surface of the pipe is painted.
そして、管の内面に付着した異物や錆を除去のため機械
的研磨方法として、次に記載する方法が知られいる。
・
すなわち、管内にピグか′らなる研磨装置を通す方法
研磨装置より高圧空気を利用して研磨材を管の内面に噴
射する方法。研磨装置よりエアーモータ等の遠心力で研
磨材を噴射する方法 研磨用のブラシ、或は、゛ ギヤ
型カッタを電動モータ等で回転させる研磨装置で管′の
′内面を研磨する方法である。The following method is known as a mechanical polishing method for removing foreign matter and rust attached to the inner surface of a pipe.
- In other words, a method of passing a polishing device consisting of a pig into the pipe.
A method that uses high-pressure air from a polishing device to spray abrasive material onto the inner surface of a tube. A method in which the abrasive material is injected from a polishing device using the centrifugal force of an air motor, etc. This is a method of polishing the inner surface of the tube using a polishing device that uses a polishing brush or a gear-type cutter that is rotated by an electric motor or the like.
そして、前記研磨装置は、研磨装置に接続したワイヤ等
の索条からなる牽引具で牽引しながら、管の内面の研磨
を行っている。The polishing device polishes the inner surface of the tube while being pulled by a traction tool consisting of a cable such as a wire connected to the polishing device.
前記研磨装置を牽引共で牽引する管内研磨方法は、管の
途中にベンドがあると、これを通過するために研磨装置
は牽引抵抗が増加する。In the in-tube polishing method in which the polishing device is pulled together with a tow, if there is a bend in the middle of the tube, the polishing device has increased traction resistance as it passes through this bend.
それと共に、牽引具が、ベンドの屈曲点内面側面に片寄
った状態で、研磨装置を牽引する。At the same time, the pulling tool pulls the polishing device in a state where it is biased toward the inner side surface of the bend point.
その結果 研磨装置は中心線の方向に牽引されず、斜め
方向に牽引さ札 研磨装置代 管軸の中心線に対して斜
め方向に向き牽引抵抗が一層増加すると共＆気 管内面
の均一な研磨ができない。As a result, the polishing device is not pulled in the direction of the center line, but in a diagonal direction. I can't.
したがって、管にベンドがある場合１）研磨装置を牽引
具で牽引する管内研磨方法は、現在はとんど行われてい
ない。Therefore, in the case where the pipe has a bend, 1) an in-pipe polishing method in which the polishing device is pulled by a traction tool is rarely used at present.
しかしながら、既設配管をベンドのある状態で、高度に
清掃研磨する必要性は益々増大している。However, there is an increasing need to highly clean and polish existing pipes with bends.
本発明は、前記事項に鑑みなされたものであり、途中に
ベンドを有する管内を研磨する研磨装置を、牽引具で容
易に牽引できるようにすると共に、ベンドの部分の屈曲
点外側面も均一に研磨できるようにすることを技術的課
題とする。The present invention has been made in view of the above-mentioned matters, and it enables a polishing device for polishing the inside of a pipe having a bend in the middle to be easily towed by a towing tool, and also makes the outer surface of the bending point of the bend portion uniform. The technical challenge is to make it possible to polish it.
第１の発明は、途中にベンド２を有する管ｌの一端部の
開口部より牽引具（管１の他端部から牽引具保持体２６
の間は、索条２２が牽引具となり、牽引具保持体２６か
ら研磨装置１５の間は、研磨材ホース２０が牽引具とな
る。）を接続した研磨装置１５を挿入し そして、この
牽引具の移動方向前方には、前記管１の内面に摺動可能
に密接する弾力性を有する牽引具保持体２６を装着し、
前記牽引具を前記管１の他端部側より牽引して、前記研
磨装置１５を移動させて管１内を研磨する管内研磨方法
とした
第２の発明代 第１の発明の管内研磨方法において、牽
引具保持体２６を２個設けた牽引共を使用する管内研磨
方法とした
第３の発明は、第１の発明又は第２の発明のいずれかに
記載した管内研磨方法において、管１の一端部の開口部
３に閉鎖具７を装着し、この閉鎖具７と牽引具保持体２
６の間を、エアーで加圧して、牽引具を牽引する管内研
磨方法としμ第４の発明は、第２の発明の管内研磨方法
において、管の一端部の開口部３に閉鎖具７を装着し、
この閉鎖具７と、この閉鎖具７に近い位置にある牽引具
保持体２６の間を、エアーで加圧すると共く ２個の牽
引具保持体２６の間を、前記閉鎖具７と牽引具保持体２
６の間の圧力よりも高い圧力の空気で加圧して牽引共を
牽引する管内研磨方法とした。The first invention provides a traction tool (from the other end of the pipe 1 to a traction tool holder 26
During this period, the cable 22 serves as a traction tool, and between the traction tool holder 26 and the polishing device 15, the abrasive hose 20 serves as a traction tool. ) is connected to the polishing device 15, and a retracting tool holder 26 having elasticity that slidably comes into close contact with the inner surface of the tube 1 is attached to the front of the retracting tool in the direction of movement.
A second aspect of the present invention is an in-tube polishing method in which the inside of the tube 1 is polished by pulling the pulling tool from the other end side of the tube 1 and moving the polishing device 15. In the in-tube polishing method of the first invention. A third invention is a pipe polishing method using a traction device provided with two traction tool holders 26, in the pipe polishing method described in either the first invention or the second invention. A closure device 7 is attached to the opening 3 at one end, and the closure device 7 and the traction device holder 2
A fourth invention is a pipe polishing method in which a pulling tool is pulled by pressurizing between 6 and 6. A fourth invention is a pipe polishing method according to the second invention, in which a closure tool 7 is attached to an opening 3 at one end of the pipe. Put it on,
Pressure is applied between the closure tool 7 and the traction tool holder 26 located near the closure tool 7 with air, and the space between the two traction tool holders 26 is compressed between the closure tool 7 and the traction tool holder 26. Holder 2
This is an in-tube polishing method in which the traction device is pulled by pressurizing air with a higher pressure than the pressure between 6 and 6.
第１の発明代 研磨装置１５がベンド２の近くに到達し
ても、研磨装置１５を牽引する牽引具である研磨材ホー
ス２０１戯 牽引具保持体２６によって管１の中心線付
近の位置に保持されている。First Invention Even when the polishing device 15 reaches the vicinity of the bend 2, the polishing material hose 201, which is a pulling tool for pulling the polishing device 15, is held at a position near the center line of the tube 1 by the pulling tool holder 26. has been done.
したがって、牽引具保持体２６のない従来の研磨装置の
如く、牽引具がベンド２の屈曲点内側面に片寄った状態
で、研磨装置を斜めに牽引せず、研磨装置１５１Ｌ
牽引具である研磨材ホース２゜によって、管１の中心線
の方向に牽引され斜めにならない。Therefore, unlike the conventional polishing apparatus without the pulling tool holder 26, the polishing apparatus 151L is not pulled diagonally with the pulling tool biased toward the inner surface of the bending point of the bend 2.
It is pulled in the direction of the center line of the tube 1 by the abrasive hose 2°, which is a pulling tool, so that it does not become oblique.
したがって、研磨装置の牽引抵抗は、ベンドであっても
、それ程大きく増大しない。Therefore, the traction resistance of the polishing device does not increase significantly even when the polishing device is bent.
また、研磨装置１５が管１の中心線に対して斜めになら
ないので、管１のベンド２及びその付近であっても、管
１の内面全周面を均一に研磨する。Furthermore, since the polishing device 15 is not oblique to the center line of the tube 1, the entire inner circumferential surface of the tube 1 is uniformly polished even at the bend 2 of the tube 1 and its vicinity.
第２の発明は、牽引具保持体２６を２個設けたので、牽
引具である研磨材ホース２０を管１の中心線に保持し、
研磨装置１５の牽引が容易であり、管１のベンド２及び
その付近の内面を一層均一に研磨する。In the second invention, since two traction tool holders 26 are provided, the abrasive hose 20, which is a traction tool, is held on the center line of the tube 1,
The polishing device 15 can be easily towed, and the inner surface of the bend 2 of the tube 1 and its vicinity can be polished more uniformly.
第３の発明＋３ さうに、閉鎖具７と牽引具保持体２
６の間を、エアーで加圧するので、牽引具保持体２６は
、管１の他端部に向がって押圧さ汰研磨装置１５の牽引
がさらに一層容易となる。Third invention +3 As mentioned above, the closure device 7 and the traction device holder 2
6 is pressurized with air, the pulling tool holder 26 is pressed toward the other end of the tube 1, making it easier to pull the polishing device 15.
第４の発明哄 閉鎖具７と牽引具保持体２６の間を、エ
アーで加圧すると共に、２個の牽引具保持体２６の間を
、閉鎖体７と牽引具保持体２６の間の圧力よりも高い圧
力で加圧するので、研磨材及び除去された錆等の異物が
、管１の内面と牽引具保持体２６の間に侵入せず、牽引
具保持体２６の移動がスムースに行われる。Fourth Invention The space between the closure 7 and the traction tool holder 26 is pressurized with air, and the space between the two traction tool holders 26 is increased by the pressure between the closure 7 and the traction tool holder 26. Since the traction tool holder 26 is pressurized at a high pressure, foreign substances such as abrasives and removed rust do not enter between the inner surface of the tube 1 and the traction tool holder 26, and the traction tool holder 26 moves smoothly.
第１図は、第１の発明と第３の発明の実施例で使用され
た管と装置を示すものである。FIG. 1 shows the tube and apparatus used in the embodiments of the first and third inventions.
前記実施例で使用された管１は、サイズＩＯＢ、長さ２
０ｍで途中の４個所に、ベンド２が形成されたものであ
る。The tube 1 used in the above example has a size IOB and a length 2
Bends 2 are formed at four locations along the way at 0 m.
そして、管１の一端部の開口部３には、蓋とした形成さ
れた閉鎖具７が、装着できるように形成さ法 この閉鎖
具７には、排気管８が接続さ帳排気管８には、圧力計９
と弁１０が設けである。A closure 7 formed as a lid is attached to the opening 3 at one end of the pipe 1. An exhaust pipe 8 is connected to the closure 7. is pressure gauge 9
and valve 10 are provided.
管１内を研磨する研磨装置１５は、エアーで回転するノ
ズルから研磨材を噴出して管１の内面を研磨する装置で
ある。A polishing device 15 that polishes the inside of the tube 1 is a device that polishes the inner surface of the tube 1 by ejecting abrasive material from a nozzle that rotates with air.
前記研磨装置１５の端部には、研磨材とエアーを搬送す
ると共に、研磨装置１５の牽引共の働きもする研磨材ホ
ース２０の一端部が装着しである。One end of an abrasive hose 20 is attached to the end of the polishing device 15, which transports the abrasive material and air and also serves to pull the polishing device 15.
前記研磨材ホース２０は、他端部が管１の他端部より外
部に延出する長さを備えると共に、他端部に図示してな
い研磨材とエアーの送り出し装置が接続されるように形
成しである。The abrasive hose 20 has a length such that its other end extends outward from the other end of the pipe 1, and is connected to an abrasive and air delivery device (not shown) at the other end. It is formed.
前記研磨材ホース２０には、前記研磨装置１５の端部か
ら３０ｃｍ離れた位置に、直径が管１の内径よりも若干
大きく、長さが２５ｃｍの円筒形で、内部に発泡樹脂等
が充填されて弾力性を有する牽引具保持体２６が取り付
けである。そして、この牽引具保持体２６の取り付けは
、牽引具保持体２６の中心線付近の位置に、研磨材ホー
ス２０を挿通して固定して取り付けである。The polishing material hose 20 has a cylindrical shape with a diameter slightly larger than the inner diameter of the tube 1 and a length of 25 cm, and is filled with foamed resin or the like at a position 30 cm away from the end of the polishing device 15. A retractor holder 26 having elasticity is attached. The traction tool holder 26 is attached by inserting and fixing the abrasive hose 20 into a position near the center line of the traction tool holder 26.
また、前記牽引具保持体ｚ６の研磨装［１５のある側と
反対側の端部の中心付近には、索条２２として形成され
た牽引具が接続しである。Further, a traction tool formed as a cable 22 is connected to the vicinity of the center of the end of the traction tool holder z6 on the side opposite to the side where the polishing device [15 is located.
第１の発明の実施例は、第１図に示す装置を使用して、
第１図に示すように、研磨装置１５を管１の開口部３か
ら挿入味 研磨材ホース２０の他端部及び索条２２を管
１の他端部に引き出し、研磨材ホース２０の他端部に接
続した研磨材とエアーの送り出し装置から、研磨材とエ
アーを送り出し、研磨装置１５のエアーで回転するノズ
ルから研磨材を噴出さ′せて管１内を研磨し九そして、
索条２２を牽引して研磨装置１５を０３ｍ／分の速度で
管１内を移動させながら管１内を研磨した
そして、研磨装置１５が管１のベンド２に近ずいても、
牽引具保持体２６が前記管ｌのベンド２の付近にあり、
牽引共である研磨材ホース２０は、牽引具保持体２６に
より管１の中心付近に保持さ汰 研磨装置１５が管１内
で大きく傾斜するのが防止された
したがって、研磨装置１５の牽引抵抗もそれ程大きくな
く、また、研磨装置１５が管ｌのベンド２の近々でも、
大きく傾斜しないのでペンド２近々の管ｌ内も内面全面
を均一に研磨できた第２図は、第２の発明と第３及び第
４の発明の実施例で使用された管と装置を示すものであ
り、第１図に示された部分と同様の部分は同一の符号を
用い説明を省略した
第２図に示された研磨材ホース２０ ＋： ＋Ｌ 研
磨装置１５から３０’ｃｍ離れた位置に設けられた牽引
具保持体２６から、さらに、４０ｃｍ離れた位置に牽引
具保持体２６を設けて、牽引具保持体２６を合計２個設
けたものである。An embodiment of the first invention uses the apparatus shown in FIG.
As shown in FIG. 1, the polishing device 15 is inserted through the opening 3 of the tube 1, the other end of the abrasive hose 20 and the cable 22 are pulled out to the other end of the tube 1, and the other end of the abrasive hose 20 is pulled out. The abrasive material and air are sent out from the abrasive material and air delivery device connected to the polishing device 15, and the abrasive material is ejected from the nozzle rotated by the air of the polishing device 15 to polish the inside of the tube 1.
The inside of the tube 1 was polished while the polishing device 15 was moved inside the tube 1 at a speed of 0.3 m/min by pulling the cable 22. Even when the polishing device 15 approached the bend 2 of the tube 1,
a traction tool holder 26 is located near the bend 2 of said tube l;
The abrasive material hose 20, which is used for traction, is held near the center of the tube 1 by the traction tool holder 26. This prevents the polishing device 15 from tilting significantly within the tube 1. Therefore, the traction resistance of the polishing device 15 is also reduced. Even if it is not very large and the polishing device 15 is near the bend 2 of the pipe l,
Since there is no large inclination, the entire inner surface of the pipe l near the pend 2 could be polished uniformly. Figure 2 shows the pipe and device used in the embodiments of the second, third, and fourth inventions. The abrasive material hose 20 shown in FIG. 2, in which the same parts as those shown in FIG. A traction tool holder 26 is further provided at a position 40 cm away from the provided traction tool holder 26, so that a total of two traction tool holders 26 are provided.
そして、牽引具となる索条２２は、前記研磨装置１５よ
り遠い位置に設けられた牽引具保持体２６に接続されて
いる。The cable 22 serving as a traction tool is connected to a traction tool holder 26 provided at a position farther from the polishing device 15.
さらに、前記索条２２を接続した牽引具保持体２６には
、エアーホース２４が挿通されており、その開口は、２
個の牽引具保持体２６の間の管１内に開口している。Further, an air hose 24 is inserted through the traction tool holder 26 to which the cable 22 is connected, and the opening thereof is 2
It opens into the tube 1 between the two traction tool holders 26 .
第２の発明の実施例は、第２図に示すように、牽引具保
持体２６を２個設けた以外は、第１の発明の実施例と同
様の条件で実施した
そして、この実施例は、研磨装置１５に近い位置にある
牽引具保持体２６を、別の牽引具保持体２６で、管１の
中心線の位置に保持された研磨材ホース２０で牽引する
ので、研磨装置１５と共に管１のベンド２の付近にある
牽引具保持体２６を管１の中心近くに保持Ｌ−，″ＪＩ
！引ａＫは、さらに小さがった
第３の発明の実施例は、第１図及び第２図に示す装置を
使用して、第１の発明の実施例及び第２の発明の実施例
と同様にして２つの実施例を実施した。As shown in FIG. 2, the embodiment of the second invention was carried out under the same conditions as the embodiment of the first invention, except that two traction tool holders 26 were provided. , the traction tool holder 26 located close to the polishing device 15 is pulled by another traction tool holder 26 with the abrasive material hose 20 held at the center line of the tube 1. Hold the traction tool holder 26 near the bend 2 of the pipe 1 near the center of the pipe 1 L-, "JI
! The third embodiment of the invention, which is smaller in size, is made in the same way as the first and second embodiments using the apparatus shown in FIGS. 1 and 2. Two examples were carried out.
この発明の各実施例は、第１の発明及び第２の発明の実
施例で実施した事項に付加して、管１の閉鎖具７と牽引
具保持体２６との間のエアーを排気管８から排気する際
に、その排気量を閉鎖具７と牽引具保持体２６との間の
圧力が０．２ｋｇ／ｃｍ２Ｇとなるように弁１０で調整
して加圧し母磨装置１５を牽引し管１内の研磨を行った
この実施例では、牽引具保持体２６がエアーで押圧され
て、研磨装置１５の牽引が一層容易となった
第４の発明の実施例は、第２図に示す装置を使用して実
施した
この発明の実施例は、第３の発明の実施例と同様の条件
で、閉鎖具７と牽引具保持体２６との間に、エアーを送
気すると共に、２個の牽引具保持体２６の間に、エアー
ホース２４の間の圧力が、０、 ４ｋｇ／ｃｒｎ２ Ｇ
となるように加圧して、研磨装置１５を牽引し、管１内
の研磨を行ったこの発明の実施例は、２偏の牽引具保持
体２６の間の圧力カー 閉鎖具７と牽引具保持体２６の
間の圧力よりも高いので、研磨材及び除去された錆等の
異物が管１の内面と牽引具保持体２６との間に侵入せず
、牽引具保持体２６の移動がスムースに行われた
そして、研磨装置１５としては、前記エアーで回転する
ノズルから研磨材を噴出する研磨装置のほかに、ピグを
用いる研磨装置、エアーモータ等の遠心力で研磨材を噴
射する研磨装置、研磨用のブラシ或はギヤー型カッタを
電動モータ等で回転させる研磨装置等がある。In addition to the features implemented in the embodiments of the first and second inventions, each of the embodiments of the present invention includes a method for discharging air between the closure device 7 of the pipe 1 and the traction device holder 26 through the exhaust pipe 8. When exhausting air from the pipe, the exhaust volume is adjusted and pressurized with the valve 10 so that the pressure between the closure device 7 and the traction device holder 26 is 0.2 kg/cm2G, and the base polishing device 15 is pulled and the pipe is In this embodiment, the pulling tool holder 26 is pressed with air to make it easier to pull the polishing device 15.The fourth embodiment of the invention is the device shown in FIG. In the embodiment of the present invention carried out using The pressure between the air hose 24 and the traction tool holder 26 is 0.4 kg/crn2 G.
In this embodiment of the present invention, the inside of the tube 1 is polished by applying pressure to pull the polishing device 15 such that the pressure car between the two-sided traction device holder 26 and the closure device 7 and the traction device holder are Since the pressure is higher than the pressure between the body 26, foreign substances such as abrasives and removed rust do not enter between the inner surface of the tube 1 and the traction tool holder 26, and the traction tool holder 26 moves smoothly. The polishing device 15 includes, in addition to the polishing device that jets the abrasive material from the nozzle rotated by air, a polishing device that uses a pig, a polishing device that jets the abrasive material using centrifugal force such as an air motor, There is a polishing device that rotates a polishing brush or a gear-type cutter using an electric motor or the like.
第１の発明は、研磨装置１５を牽引する牽引具に、牽引
具保持体２６を設けたので、研磨装置１５が管１のベン
ド２の近くに到達しても、牽引共が管１の中心線付近に
位置し、管１のペンド２の屈曲点内側面に接するまで片
寄るようなことがない。In the first invention, since the pulling tool holder 26 is provided on the pulling tool for pulling the polishing device 15, even if the polishing device 15 reaches the vicinity of the bend 2 of the pipe 1, the pulling tool is not attached to the center of the pipe 1. It is located near the line and does not shift until it comes into contact with the inner surface of the bending point of the pend 2 of the tube 1.
したがって、研磨装置１５は、ベンド２の近くであって
も、中心線方向に牽引されて傾斜せず、牽引抵抗は小さ
く容易に牽引できる。Therefore, even if the polishing device 15 is near the bend 2, it is not pulled in the direction of the center line and tilted, and the pulling resistance is small and it can be easily pulled.
また、ペンド２の近くであっても、研磨装置１５が傾斜
しないので、ペンド１近くの管１の内面全周を均一に研
磨できる。Furthermore, since the polishing device 15 is not tilted even near the pen 2, the entire inner circumference of the tube 1 near the pen 1 can be uniformly polished.
第２の発明法 牽引具保持体２６を２個設けたので、研
磨装置１５に近い位置にある牽引具保持体２６を、別の
牽引具保持体２６で、管１の中心線の位置に保持された
牽引具で、中心線方向に牽引される。Second invention method Since two traction tool holders 26 are provided, the traction tool holder 26 located near the polishing device 15 is held at the center line of the tube 1 by another traction tool holder 26. The object is towed in the direction of the center line using a towing device.
そして、研磨装置１５と共＆ミ 管１のペンド２付近に
ある牽引具保持体２６を中心線の位置に保持して牽引す
る。Then, together with the polishing device 15, the pulling tool holder 26 located near the pend 2 of the tube 1 is held at the center line position and pulled.
したがって、第２の発明は、第１の発明の奏する効果を
奏すると共＆ミ さらく 牽引抵抗が小さくなりｔ４
第３の発明は、閉鎖具７と牽引具保持体２６の間をエア
ーで加圧するので、牽引具保持体２６は、管１の他端部
に向かって押圧される。Therefore, the second invention achieves the effects of the first invention, and the third invention provides the effect of applying air between the closure device 7 and the traction device holder 26. Due to this pressure, the traction tool holder 26 is pushed toward the other end of the tube 1.
したがって、第３の発明は、第１の発明又は第２の発明
の奏する効果を奏すると共に、牽引が一層容易となった
第４の発明は、閉鎖具７と、この閉鎖具に近い位置にあ
る牽引具保持体２６の間をエアーで加圧すると共に、２
個の牽引具保持体２６の間を、前記閉鎖具７と牽引具保
持体２６の間の圧力よりも高い圧力のエアーで加圧する
ものである。Therefore, the third invention achieves the effects of the first invention or the second invention, and the fourth invention further facilitates traction. While pressurizing the space between the traction tool holders 26 with air,
The space between the two traction tool holders 26 is pressurized with air at a pressure higher than the pressure between the closure tool 7 and the traction tool holder 26.
したがって、牽引具保持体２６カ（管１の他端部に向か
って押圧されると共に、管１の内面と牽引具保持体２６
との間に錆等の異物が侵入しない。Therefore, the traction tool holder 26 is pressed toward the other end of the tube 1, and the inner surface of the tube 1 and the traction tool holder 26
Foreign matter such as rust will not enter between the
よって、第４の発明代 第２の発明の奏する効果を奏す
ると共に、さにら、牽引具保持体２６の移動がスムース
に行え、牽引が容易に行える。Therefore, in addition to achieving the effects of the fourth invention and the second invention, the traction tool holder 26 can be moved smoothly and towed easily.
第１図は一第１の発明と第３の発明の実施例で使用され
た管と装置を示すものであり、第２図は第２の発明と第
３の発明及び第４の発明の実施例に使用された管と装置
を示すものである。
１ ・ ・管、
３・・開口臥
１５・・研磨装置、
２・・ペンド、
７・・閉鎖孔
２６・・牽引具保持俟Fig. 1 shows the pipes and devices used in the embodiments of the first invention and the third invention, and Fig. 2 shows the implementation of the second invention, the third invention, and the fourth invention. The tubes and equipment used in the example are shown. 1. Tube, 3. Opening 15. Polishing device, 2. Pend, 7. Obturator hole 26. Traction tool holding hole.
Claims (4)
引具を接続した研磨装置を挿入し、そして、この牽引具
の移動方向には、前記管の内面に摺動可能に密接する弾
力性を有する牽引具保持体を装着し、前記牽引具を前記
管の他端部側より牽引して、前記研磨装置を移動させて
管内を研磨する管内研磨方法。(1) A polishing device to which a traction tool is connected is inserted through an opening at one end of a tube that has a bend in the middle, and in the moving direction of the traction tool, an elastic force that is slidably in close contact with the inner surface of the tube is inserted. A method for polishing an inside of a pipe, in which a pulling tool holder having a property is attached, the pulling tool is pulled from the other end side of the pipe, and the polishing device is moved to polish the inside of the pipe.
使用する請求項１記載の管内研磨方法。(2) The method for polishing an inside of a pipe according to claim 1, wherein a traction tool is used in which two traction tool holders are provided at an interval.
具と牽引具保持体の間を、エアーで加圧して、牽引具を
牽引する請求項１又は請求項２のいずれかに記載した管
内研磨方法。(3) A closure device is attached to the opening at one end of the tube, and air is applied between the closure device and the traction device holder to pull the traction device. In-tube polishing method described in .
具と、この閉鎖具に近い位置にある牽引具保持体の間を
、エアーで加圧すると共に、２個の牽引具保持体の間を
、前記閉鎖具と牽引具保持体の間の圧力よりも高い圧力
のエアーで加圧して牽引具を牽引する請求項２記載の管
内研磨方法。(4) Attach a closure to the opening at one end of the tube, apply air pressure between this closure and the traction tool holder located near the closure, and pressurize the space between the two traction tool holders. 3. The method for polishing inside a pipe according to claim 2, wherein the traction tool is pulled by pressurizing the gap between the body with air having a pressure higher than the pressure between the closure tool and the traction tool holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24424790A JP2796184B2 (en) | 1990-09-14 | 1990-09-14 | Pipe polishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24424790A JP2796184B2 (en) | 1990-09-14 | 1990-09-14 | Pipe polishing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04122561A true JPH04122561A (en) | 1992-04-23 |
| JP2796184B2 JP2796184B2 (en) | 1998-09-10 |
Family
ID=17115919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24424790A Expired - Fee Related JP2796184B2 (en) | 1990-09-14 | 1990-09-14 | Pipe polishing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2796184B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048638A (en) * | 2018-09-13 | 2018-12-21 | 嘉兴市杰希希管道工程有限公司 | A kind of polishing mechanism integral movable type grinding device |
| CN109048637A (en) * | 2018-09-13 | 2018-12-21 | 嘉兴市杰希希管道工程有限公司 | A kind of clean stainless steel tube production utilizes sufficient grinding device with abrasive material |
| CN109108808A (en) * | 2018-09-13 | 2019-01-01 | 嘉兴市杰希希管道工程有限公司 | A kind of simple inner diameter machining device of structure |
| CN109129163A (en) * | 2018-09-13 | 2019-01-04 | 嘉兴市杰希希管道工程有限公司 | A kind of burnishing device that clean stainless steel tube production uniformity is good |
| CN109129162A (en) * | 2018-09-13 | 2019-01-04 | 嘉兴市杰希希管道工程有限公司 | A kind of interior burnishing device of clean stainless steel tube production |
| CN116000789A (en) * | 2023-02-23 | 2023-04-25 | 南京海创表面处理技术有限公司 | Waveguide inner wall polishing equipment and use method |
-
1990
- 1990-09-14 JP JP24424790A patent/JP2796184B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048638A (en) * | 2018-09-13 | 2018-12-21 | 嘉兴市杰希希管道工程有限公司 | A kind of polishing mechanism integral movable type grinding device |
| CN109048637A (en) * | 2018-09-13 | 2018-12-21 | 嘉兴市杰希希管道工程有限公司 | A kind of clean stainless steel tube production utilizes sufficient grinding device with abrasive material |
| CN109108808A (en) * | 2018-09-13 | 2019-01-01 | 嘉兴市杰希希管道工程有限公司 | A kind of simple inner diameter machining device of structure |
| CN109129163A (en) * | 2018-09-13 | 2019-01-04 | 嘉兴市杰希希管道工程有限公司 | A kind of burnishing device that clean stainless steel tube production uniformity is good |
| CN109129162A (en) * | 2018-09-13 | 2019-01-04 | 嘉兴市杰希希管道工程有限公司 | A kind of interior burnishing device of clean stainless steel tube production |
| CN109108808B (en) * | 2018-09-13 | 2024-03-01 | 嘉兴市杰希希管道工程有限公司 | Simple structure's internal diameter processingequipment |
| CN116000789A (en) * | 2023-02-23 | 2023-04-25 | 南京海创表面处理技术有限公司 | Waveguide inner wall polishing equipment and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2796184B2 (en) | 1998-09-10 |
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| LAPS | Cancellation because of no payment of annual fees |