JPS581723B2 - Pipe drift inspection machine - Google Patents
Pipe drift inspection machineInfo
- Publication number
- JPS581723B2 JPS581723B2 JP9351277A JP9351277A JPS581723B2 JP S581723 B2 JPS581723 B2 JP S581723B2 JP 9351277 A JP9351277 A JP 9351277A JP 9351277 A JP9351277 A JP 9351277A JP S581723 B2 JPS581723 B2 JP S581723B2
- Authority
- JP
- Japan
- Prior art keywords
- drift
- rod
- pedestal
- pipe
- cylinder
- 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
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Description
【発明の詳細な説明】
本発明は被検査パイプの内径が一定直径で真円かつ真直
であるか否かを検査するためのドリフト検査機に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a drift inspection machine for inspecting whether the inner diameter of a pipe to be inspected is a constant diameter, true circle, and straight.
パイプ内径の精度を検査する手段として、一定直径真円
かつ真直なるドリフト棒（検査棒）をパイプ内に挿入し
、ドリフト棒がひっかかればより不良品であるとするも
のがある。As a means of inspecting the accuracy of the inner diameter of a pipe, there is a method in which a perfectly circular and straight drift rod (inspection rod) of a constant diameter is inserted into the pipe, and if the drift rod gets caught, the product is determined to be defective.
このような検査は従来作業員が手でドリフト棒をパイプ
内に挿入して行っていた。Conventionally, such inspections were performed by a worker manually inserting a drift rod into the pipe.
このため多犬の工数を要し非能率的であり、しかも人為
的な作業性であって危険も極めて犬であるなどの欠点が
ある。For this reason, it is inefficient as it requires the man-hours of many dogs, and furthermore, the work is done manually and is extremely dangerous.
本発明は人為的なドリフト検査にあった欠点を除去せん
として成されたもので、その目的とするところは、パイ
プ内に挿入するドリフト棒を上下調整自在とすると共に
シリンダで進退動を付与するようにし、ドリフト検査が
機械化でき検査の能率化および省力化を行うことができ
る検査機を提供せんとするにある。The present invention was made to eliminate the drawbacks of artificial drift testing, and its purpose is to make the drift rod inserted into the pipe adjustable up and down, and to provide forward and backward movement with a cylinder. Therefore, it is an object of the present invention to provide an inspection machine that can mechanize drift inspection and improve inspection efficiency and save labor.
次に本発明の一実施例を示す添付図面に基づいて、その
詳細を説明すると下記の如くである。Next, the details of an embodiment of the present invention will be described below based on the accompanying drawings showing one embodiment of the present invention.
図において、１はベース２−トに高さ調整機構３を介し
て水平状態で上下動自在となるよう配備した架台であり
横長の枠状に構成する。In the figure, reference numeral 1 denotes a pedestal mounted on a base 2 via a height adjustment mechanism 3 so as to be vertically movable in a horizontal state, and is configured in the shape of a horizontally long frame.
高さ調整機構３はベース２の両端部に上面が外方下りの
逆傾斜面きなる傾斜台４を配備し、両傾斜台４の上面に
各々スライド片５を傾斜面に沿って摺動自在となるよう
載置する。The height adjustment mechanism 3 is provided with a slope 4 at both ends of the base 2, the upper surface of which is a reverse slope with an outward downward slope, and a slide piece 5 is provided on the top surface of both slopes 4 so as to freely slide along the slope. Place it so that
架台１の両端部下面に各々スライド片５の上端が該架台
１の長手方向に摺動嵌合するガイド６を設けると共に、
架台１の下面中央部長手方向に可回動となる螺軸７と、
該螺軸７の両側にガイド棒８とを取付ける。Guides 6 are provided on the lower surfaces of both ends of the pedestal 1, with the upper ends of the slide pieces 5 slidingly fitting in the longitudinal direction of the pedestal 1,
a screw shaft 7 that is rotatable in the longitudinal direction at the center of the lower surface of the pedestal 1;
Guide rods 8 are attached to both sides of the screw shaft 7.
ガイド棒８は両側スライド片５を各々摺動自在となるよ
う貫通し、スライド片５の正確な移動を保持する。The guide rod 8 passes through the slide pieces 5 on both sides so as to be able to slide freely, and maintains accurate movement of the slide pieces 5.
なお、螺軸７はその両端部が所要長さにわたって逆ねじ
となり、各スライド片５の該螺軸７が貫通する部分に、
螺軸７に外嵌螺合するナット９が固定してある。In addition, both ends of the screw shaft 7 are reverse threaded over the required length, and the portion of each slide piece 5 through which the screw shaft 7 passes,
A nut 9 that is externally screwed onto the screw shaft 7 is fixed.
また、スライド片５で両端部が支持された架台１は螺軸
７の回動によるスライド片５の接近および離反動によっ
て上下高さが水平の状態で変化する。Further, the vertical height of the pedestal 1, whose both ends are supported by the slide pieces 5, changes in a horizontal state as the slide pieces 5 approach and move away from each other due to the rotation of the screw shaft 7.
なおこの場合、架台１の前後位置を変えることなく上下
動を正確に行わしむるため、ベース２の両端部寄りに上
下方向のガイド１０を縦設すると共に、架台１の両端下
部に、該ガイド１０内を上下に転動するガイドロール１
１を装設する。In this case, in order to accurately move up and down without changing the front-back position of the pedestal 1, vertical guides 10 are installed vertically near both ends of the base 2, and guides 10 are installed at the bottom of both ends of the pedestal 1. Guide roll 1 that rolls up and down within 10
Install 1.
さらに、螺軸７の途中にウオームホイル１２を固定する
と共に、架台１の下面に該ホイル１２と噛合するウオー
ム１３を軸止し、ウオーム１３を固定した軸は架台１上
の右側端部に装設したハンドル１４（第３図参照）とス
プロケットおよびチェンを介して連動し、ハンドル１４
の回動で螺軸７が回転して架台１の上下高さが調整でき
るようにする。Furthermore, a worm wheel 12 is fixed in the middle of the screw shaft 7, and a worm 13 that engages with the foil 12 is fixed to the lower surface of the pedestal 1, and the shaft to which the worm 13 is fixed is mounted on the right end of the pedestal 1. The handle 14 is interlocked with the installed handle 14 (see Fig. 3) through a sprocket and a chain.
The screw shaft 7 is rotated by the rotation of , so that the vertical height of the pedestal 1 can be adjusted.
架台１の第１図右側端部上面に、被検査パイプＡの内径
に対する真直、真円ゲージとなるドリフト棒１５の支持
機構１６を配備する。A support mechanism 16 for a drift rod 15 is provided on the upper surface of the right end of the frame 1 in FIG.
この支持機構１６はドリフト棒１５を一定高さ位置にお
いて水平状かつ進退移動自在にホールディングを行うも
ので、架台１上に中央部をドリフト棒１５が貫通し得る
上下に長いフレーム１７を組み、このフレーム１７の内
部でドラフト棒１５を挾む上下位置に上下方向のガイド
１８を前後で平行状となるよう取付ける。This support mechanism 16 holds the drift rod 15 horizontally at a fixed height position so that it can move forward and backward.A vertically long frame 17 is assembled on the pedestal 1, through which the drift rod 15 can pass through the center. Vertical guides 18 are installed at vertical positions sandwiching the draft rod 15 inside the frame 17 so as to be parallel in the front and rear.
ドリフト棒１５を挾む上下位置には両端がガイド１８に
より支持されて上下動自在となるロールホルダー１９を
各々配備し、両ロールホルダ１９にはその両端部にドリ
フト棒１５を軸方向に可動となるよう水平に支持するた
めのガイドローラ２０が可回動に取付けてある。Roll holders 19 that are movable up and down with both ends supported by guides 18 are provided at the upper and lower positions sandwiching the drift rod 15, and both roll holders 19 have the drift rod 15 movable in the axial direction at both ends thereof. A guide roller 20 is rotatably mounted to horizontally support the vehicle.
フレーム１７の上部で両側部の前後位置に軸承でスプロ
ケット２１を取付け、各スプロケット２１にチェン２２
を垂下状に掛架し、該チェン２２の一端を上部ロールホ
ルダー１９に、他端を下部ロールホルダー１９に各々固
定し、上下のロールホルダー１９を一定水平軸線に対し
て相対的に上下動するよう連結する。Sprockets 21 are attached to the front and back positions on both sides of the frame 17 using shaft bearings, and a chain 22 is attached to each sprocket 21.
One end of the chain 22 is fixed to the upper roll holder 19 and the other end to the lower roll holder 19, and the upper and lower roll holders 19 are moved up and down relative to a constant horizontal axis. Connect like this.
またフレーム１７の上部中央にシリンダ２３を固定し下
向きとしたピストンロツド２４の先端を上部ロールホル
ダー１９に固定し、該シリンダ２３の伸縮作動によって
ロールホルダー１９を上下動させる。Further, a cylinder 23 is fixed to the upper center of the frame 17, and the tip of a downwardly directed piston rod 24 is fixed to the upper roll holder 19, and the roll holder 19 is moved up and down by the expansion and contraction operation of the cylinder 23.
下部ロールホルダー１９と架台１の間には下部ロールホ
ルダー１９を常時引下げる弾機２５を張設する。A bullet 25 is installed between the lower roll holder 19 and the pedestal 1 to constantly pull down the lower roll holder 19.
また、前記架台１の第１図左側端部の上面にシリンダ２
６をピン２７による取付部分を支点に上下揺動自在とな
るよう取付け、このシリンダ２６のピストンロツド２８
先端に弾機２９を介して継軸３０を連結し、縦軸３０は
途中に自在継手３１を組込むと共に、その先端をドリフ
ト棒１５の後端と同軸芯状に連結する。Also, a cylinder 2 is attached to the upper surface of the left end of the pedestal 1 in FIG.
The piston rod 28 of this cylinder 26 is mounted so that it can freely swing up and down about the mounting part by the pin 27 as a fulcrum.
A joint shaft 30 is connected to the tip via a bullet 29, a universal joint 31 is incorporated in the middle of the vertical shaft 30, and the tip is coaxially connected to the rear end of the drift rod 15.
ピストンロツド２８の先端にガイドローラ３２を取付け
、架台１上にはピストンロツド２８の先端が正確に水平
動するようガイドローラ３２が転動するガイドレール３
３を水平に敷設すると共に、ガイドレール３３の後端に
ガイドローラ３２の後退限を検出するリミットスイッチ
、同前端にガイドローラ３２の前進限を検出するリミッ
トスイッチを各々設け、両リミットスイッチの作動によ
ってシリンダ２６の進退ストロークを一定に制御する。A guide roller 32 is attached to the tip of the piston rod 28, and a guide rail 3 on which the guide roller 32 rolls so that the tip of the piston rod 28 moves horizontally accurately is installed on the pedestal 1.
3 is laid horizontally, a limit switch is installed at the rear end of the guide rail 33 to detect the backward limit of the guide roller 32, and a limit switch is installed at the front end of the guide rail 33 to detect the forward limit of the guide roller 32. The forward and backward strokes of the cylinder 26 are controlled to be constant.
また、ピストンロツド２８と縦軸３０の連結部分には、
弾機２９を圧縮して縦軸３０が後退動ずると該継軸３０
で押されて作動し、不良信号を出して検査の停止を行う
スイッチ構造の検知機構３４を配備する。In addition, at the connecting portion between the piston rod 28 and the vertical shaft 30,
When the ammunition 29 is compressed and the vertical shaft 30 moves backward, the joint shaft 30
A detection mechanism 34 having a switch structure is provided, which is activated when pressed and outputs a defect signal to stop the inspection.
なお、図中３５は被検査パイプＡの位置決めを行うスト
ッパーであり、被検査パイプＡをドリフト棒１５端に正
対させるべく機外に設けたドライブローラ上を送られて
きた被検査パイプＡはこのストッパー３５に当接して停
止し適当な手段によって停止位置に固定されるもので、
ストッパー３５はパイプ停止後上昇し、ドリフト棒１５
の進入に支障を与えないように離反する。In addition, numeral 35 in the figure is a stopper for positioning the pipe A to be inspected, and the pipe A to be inspected is sent over a drive roller provided outside the machine in order to make the pipe A to be inspected face directly to the end of the drift rod 15. It comes into contact with this stopper 35 and stops, and is fixed at the stopped position by appropriate means.
The stopper 35 rises after the pipe stops, and the drift rod 15
depart so as not to impede the approach of
本発明は上述せる如き構造であり、パイプ内径に対する
ドリフト検査を行うには、被検査パイプＡをストツパー
３５によって定位置に停止させて固定した状態で、ハン
ドル１４を回動操作して高さ調整機構３を作動させ架台
１の高さをパイプＡの径に応じて調整し、シリンダ２６
をパイプＡの軸芯に合せる。The present invention has the above-described structure, and in order to perform a drift test on the inner diameter of the pipe, the pipe A to be tested is stopped and fixed at a fixed position by the stopper 35, and the handle 14 is rotated to adjust the height. Activate the mechanism 3 to adjust the height of the pedestal 1 according to the diameter of the pipe A, and the cylinder 26
Align it with the axis of pipe A.
なおその前にシリンダ２３を伸長作動させ、ドリフト棒
１５を上下のガイドローラ２０によって水平にホールデ
ィングすると同時に、パイプＡとのセンター合せを行う
。Before that, the cylinder 23 is extended and the drift rod 15 is held horizontally by the upper and lower guide rollers 20, and at the same time, the center alignment with the pipe A is performed.
ストッパー３５を上昇させた状態でシリンダ２６を伸長
作動させ、ガイドローラ２０で水平に保持されたドリフ
ト棒１５を前進させて被検査パイプＡ内に挿入する。With the stopper 35 raised, the cylinder 26 is extended, and the drift rod 15 held horizontally by the guide rollers 20 is advanced and inserted into the pipe A to be inspected.
ドリフト棒１５が被検査パイプＡ内を円滑に進入して前
進限位置に達するとガイドローラ３２がリミットスイッ
チに当接し、シリンダ２６は収縮作動してドリフト棒１
５がパイプＡ内から抜け後退位置に復帰する。When the drift rod 15 smoothly enters the pipe A to be inspected and reaches the forward limit position, the guide roller 32 contacts the limit switch, the cylinder 26 is contracted, and the drift rod 1
5 comes out of pipe A and returns to the retracted position.
しかしてバイプＡの内径に誤差や曲りがある場合、パイ
プＡ内に進入して行くドリフト棒１５にひっかかり等の
抵抗が生じる。If there is an error or bend in the inner diameter of the pipe A, resistance such as getting caught on the drift rod 15 entering the pipe A will occur.
ドリフト棒１５の進入が停止すると弾機２９が圧縮され
、継軸３０の後端が検知機構３４に当接し、検知機構３
４は不良信号を出すと共にシリンダ２６を収縮作動させ
てドリフト棒１５を後退動させるものである。When the drift rod 15 stops advancing, the bullet 29 is compressed and the rear end of the joint shaft 30 comes into contact with the detection mechanism 34.
Reference numeral 4 outputs a failure signal and causes the cylinder 26 to contract and move the drift rod 15 backward.
以上のように本発明は、上下高さを高さ調整機構で調整
自在とした架台上に、ドリフト棒を水平状態で軸方向に
可動となるよう支持するドリフト棒支持機構と、ドリフ
ト棒に進退動を附与するシリンダとを設け、シリンダの
ピストンロツドさドリフト棒は弾機および自在継手を介
して連結し、この連結部分にドリフト棒の後退動を検出
する検知機構を配備したため、パイプ内径に対するドリ
フト検査が機械化でき、作業性を改善すると同時に省力
化を行うことができる。As described above, the present invention includes a drift rod support mechanism that supports a drift rod so that it can move in the axial direction in a horizontal state on a pedestal whose vertical height can be freely adjusted by a height adjustment mechanism, and a drift rod support mechanism that supports the drift rod so that it can move in the axial direction in a horizontal state. The piston rod of the cylinder and the drift rod are connected via a bullet and a universal joint, and a detection mechanism is installed in this connection to detect the backward movement of the drift rod, so that no drift with respect to the inner diameter of the pipe can be detected. Inspection can be mechanized, improving work efficiency and saving labor at the same time.
図面は本発明に関するドリフト検査機の−実施例を示す
もので、第１図は全体の構造を示す縦断正面図、第２図
は同上要部の拡大縦断面図、第３図は同縦断側面図であ
る。
１は架台、２はベース、３は高さ調整機構、４は傾斜台
、５はスライド片、６はガイド、７は螺軸、８はガイド
棒、９はナット、１０はガイド、１１はガイドロール、
１４はハンドル、１５はドリフト棒、１６は支持機構、
１Ｔはフレーム、１８はガイド、１９はロールホルダ、
２０はガイドローラ、２１はスプロケット、２２はチェ
ン、２３はシリンダ、２５は弾機、２６はシリンダ、２
９は縮設弾機、３０は継軸、３１は自在継手、３２はガ
イドローラ、３３はガイドレール、３４は検知機構、３
５はストッパー、Ａは被検査パイプ。The drawings show an embodiment of the drift inspection machine according to the present invention, in which Fig. 1 is a longitudinal sectional front view showing the overall structure, Fig. 2 is an enlarged longitudinal sectional view of the main parts of the same, and Fig. 3 is a longitudinal sectional side view of the same. It is a diagram. 1 is a frame, 2 is a base, 3 is a height adjustment mechanism, 4 is a tilting table, 5 is a slide piece, 6 is a guide, 7 is a screw shaft, 8 is a guide bar, 9 is a nut, 10 is a guide, 11 is a guide roll,
14 is a handle, 15 is a drift bar, 16 is a support mechanism,
1T is a frame, 18 is a guide, 19 is a roll holder,
20 is a guide roller, 21 is a sprocket, 22 is a chain, 23 is a cylinder, 25 is a bullet, 26 is a cylinder, 2
9 is a collapsible bomb, 30 is a joint shaft, 31 is a universal joint, 32 is a guide roller, 33 is a guide rail, 34 is a detection mechanism, 3
5 is a stopper, A is a pipe to be inspected.
Claims (1)
保持して位置決めし得るよう高さ調整機構を介して載設
し、前記架台上の一端部にはその内部に検査用ドリフト
棒を架台上の所定高さ位置において水平状かつ軸長方向
へ進退動作可能に挾保持する上下一対の挾持用ガイドロ
ーラを相対的に接離昇降自在に保持せしめたロールホル
ダを備えるドリフト棒支持機構を載設固定し、他端部に
はそのピストンロッド先端が架台上に固定したガイドレ
ールに案内されて所定高さ位置を架台上面と平行に進退
動作し得るよう本体中間部を揺動可能に支持してシリン
ダを載設固定し、該シリンダのピストンロンドと前記ド
リフト棒とを圧力検知機構および自在継手介設圧力伝達
用継軸をもって連結して成り、前記ドリフト棒を機外に
おいてこれと正対位置せしめられる被検査管に対して進
出挿入させる検査時に前記圧力検知機構が検知する負荷
の有無によりその良品を判定し得るようになしたことを
特徴とする管のドリフト検査機。1. A pedestal is mounted on the base via a height adjustment mechanism so that it can be positioned at any desired height position while maintaining a horizontal state, and a drift rod for inspection is installed inside one end of the pedestal. A drift rod support mechanism is provided with a roll holder that holds a pair of upper and lower clamping guide rollers that can move forward and backward in the axial direction horizontally at a predetermined height position on the frame, and that can move up and down relative to each other. The piston rod is mounted and fixed at the other end, and the middle part of the main body is swingably supported so that the tip of the piston rod is guided by a guide rail fixed on the pedestal and can move forward and backward at a predetermined height position parallel to the top surface of the pedestal. The cylinder is mounted and fixed, and the piston rod of the cylinder and the drift rod are connected by a pressure detection mechanism and a joint shaft for transmitting pressure with a universal joint, and the drift rod is directly opposed to the cylinder outside the machine. 1. A drift inspection machine for a pipe, characterized in that it is possible to determine whether or not a good product is present based on the presence or absence of a load detected by the pressure detection mechanism during an inspection in which the pipe is advanced and inserted into a positioned pipe to be inspected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9351277A JPS581723B2 (en) | 1977-08-03 | 1977-08-03 | Pipe drift inspection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9351277A JPS581723B2 (en) | 1977-08-03 | 1977-08-03 | Pipe drift inspection machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5428164A JPS5428164A (en) | 1979-03-02 |
| JPS581723B2 true JPS581723B2 (en) | 1983-01-12 |
Family
ID=14084392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9351277A Expired JPS581723B2 (en) | 1977-08-03 | 1977-08-03 | Pipe drift inspection machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581723B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013124963A1 (en) * | 2012-02-21 | 2013-08-29 | 株式会社中田製作所 | Pipe drifting machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57177108U (en) * | 1981-05-02 | 1982-11-09 | ||
| JPS60213801A (en) * | 1984-04-09 | 1985-10-26 | Hitachi Cable Ltd | Device for bore-hole insertion inspection of high pressure hose having metal mouthpieces at both ends |
| JPS62121790A (en) * | 1985-11-21 | 1987-06-03 | Kawasaki Heavy Ind Ltd | Method of molding dehydrated brown coal |
-
1977
- 1977-08-03 JP JP9351277A patent/JPS581723B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013124963A1 (en) * | 2012-02-21 | 2013-08-29 | 株式会社中田製作所 | Pipe drifting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5428164A (en) | 1979-03-02 |
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