JP3010671U

JP3010671U - Pipe welding cutting tool

Info

Publication number: JP3010671U
Application number: JP1994014479U
Authority: JP
Inventors: 久保田村
Original assignee: 久保田村
Priority date: 1994-10-28
Filing date: 1994-10-28
Publication date: 1995-05-02
Anticipated expiration: 2000-10-28

Abstract

(57)【要約】【目的】大きさ及び形状の異なる様々な管体の溶接作業
又は切断作業に適用することのできる管溶接切断工具を
提供する。【構成】管回転台に軸支した管嵌込み板の各管嵌込みリ
ングに大径サイズの管体を嵌込み固定し、又は、管嵌込
み板の回転中心に管差込み部材を嵌合固定して、同管差
込み部材の先細側端部に小径サイズの管体を差込み固定
する。管回転台の嵌込み側に管支持台を適宜間隔に近接
して接地し、管支持台に軸支した各受けローラ間に管体
を載置して、一方の受けローラ側に連結した操作ハンド
ルの回動操作により、各受けローラ間に載置した管体を
任意方向に回転させると共に、作業者の手で保持したト
ーチ又はトーチ支持台で保持したトーチを管体に近接し
て、管体の適宜周面をトーチから吹出される火炎により
加熱溶融して溶接又は切断するので、大きさの異なる様
々な管体の溶接作業又は切断作業が容易に行える。 (57) [Summary] [Object] To provide a pipe welding cutting tool which can be applied to welding work or cutting work of various pipe bodies having different sizes and shapes. [Structure] A large-diameter pipe body is fitted and fixed to each pipe fitting ring of a pipe fitting plate that is pivotally supported by a pipe rotating base, or a pipe insertion member is fitted and fixed to the rotation center of the pipe fitting plate. Then, a pipe body having a small diameter is inserted and fixed to the tapered end portion of the pipe insertion member. An operation in which the pipe support base is grounded at an appropriate interval close to the fitting side of the pipe rotating base, the pipe body is placed between the receiving rollers pivotally supported by the pipe support base, and connected to one receiving roller side. By rotating the handle, the pipe mounted between the receiving rollers is rotated in any direction, and the torch held by the operator's hand or the torch held by the torch support is brought close to the pipe to move the pipe. Since the appropriate peripheral surface of the body is heated and melted by the flame blown out from the torch and then welded or cut, welding work or cutting work of various pipe bodies having different sizes can be easily performed.

Description

【考案の詳細な説明】[Detailed description of the device]

【０００１】[0001]

【産業上の利用分野】[Industrial applications]

この考案は、例えば、ガス、アーク或いはビーム、レーザ等の適宜方法により管体を溶接又は切断する作業に用いられる管溶接切断工具に関する。 The present invention relates to a pipe welding cutting tool used for welding or cutting pipes by an appropriate method such as gas, arc or beam, or laser.

【０００２】[0002]

【従来の技術】[Prior art]

従来、上述した管体を溶接又は切断する方法としては、酸素とアセチレンとを混合したガスにより管体を溶接又は切断する一般的な方法がある。例えば、管体の一側端部に管接続用のジョイントを溶接する場合、管体の一側端部にジョイントを嵌着した後、作業者の手で保持したトーチを管体の溶接部分に近接して、他方の手で管体を任意方向に回転又は管体の溶接部分に沿ってトーチを移動させ、管体とジョイントとの溶接部分をトーチから吹出される火炎により加熱溶融して溶接する。また、管体を適宜長さに切断する場合、作業者の手で保持したトーチを管体の切断部分に近接して、他方の手で管体を任意方向に回転又は管体の切断部分に沿ってトーチを移動させ、管体の切断部分をトーチから吹出される火炎により加熱溶融して切断する。 Conventionally, as a method of welding or cutting the above-mentioned pipe body, there is a general method of welding or cutting the pipe body with a gas in which oxygen and acetylene are mixed. For example, when welding a joint for pipe connection to one end of the pipe, a torch held by the operator's hand is attached to the welded part of the pipe after fitting a joint to the one end of the pipe. Close to, rotate the pipe in any direction with the other hand or move the torch along the welded part of the pipe to heat and melt the welded part of the pipe and joint by the flame blown out from the torch. Welding. When cutting the pipe to an appropriate length, bring the torch held by the operator's hand close to the cut part of the pipe and rotate the pipe in any direction with the other hand or cut the cut part of the pipe. The torch is moved along and the cut portion of the pipe is heated and melted by the flame blown from the torch to cut.

【０００３】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

しかし、上述のように作業者の手で管体を回転又は他方の手で保持したトーチを移動させて管体を溶接又は切断するので、管体の回転速度及びトーチの加熱時間を一定に保つことが困難であり、トーチによる加熱時間が不均一となるため、管体の溶接作業及び切断作業に熟練を必要とする。且つ、管体とトーチとを作業者の手で相対移動させて溶接作業又は切断作業を行うので、作業者の手振れによりトーチによる加熱位置が不規則となり、管体の溶接部分又は切断部分に対してトーチから吹出される火炎を正確に吹付けることが難しく、溶接不良や切断不良が起きることがあるため、溶接作業及び切断作業を慎重に行わなければならず、作業に手間及び時間が掛かるという問題点を有している。 However, as described above, the pipe body is welded or cut by rotating the pipe body by the operator's hand or moving the torch held by the other hand, so the rotational speed of the pipe body and the heating time of the torch are kept constant. It is difficult to maintain and the heating time by the torch becomes uneven, so skill is required for the welding and cutting work of the pipe. In addition, since the pipe body and the torch are moved relative to each other by the operator's hand to perform welding work or cutting work, the heating position by the torch becomes irregular due to the hand shake of the worker, and the welded or cut portion of the pipe body is On the other hand, it is difficult to accurately blow the flame blown out from the torch, and welding failure and cutting failure may occur.Therefore, welding work and cutting work must be performed carefully, and the work and time It has a problem of being hung up.

【０００４】この考案は上記問題に鑑み、管嵌合手段と管支持手段とで管体を回転可能に支持して、管体を回転させながらトーチ等の溶融器具により加熱溶融して溶接又は切断するので、管体の溶接作業及び切断作業が容易に行えると共に、大きさ及び形状の異なる様々な管体に適用できる管溶接切断工具の提供を目的とする。In view of the above problems, the present invention rotatably supports a pipe body by a pipe fitting means and a pipe support means, and heats and melts by welding with a melting tool such as a torch while rotating the pipe body and welding or An object of the present invention is to provide a pipe welding cutting tool which can be easily welded and cut to a pipe body and can be applied to various pipe bodies having different sizes and shapes because the pipe is cut.

【０００５】[0005]

【課題を解決するための手段】[Means for Solving the Problems]

請求項１記載の考案は、上記管体の一端側と対応する一側位置に、該管体の一端側を軸方向に嵌合固定する管嵌合手段を設け、上記管体の他端側と対応する他側位置に、該管体の他端側を回転可能に支持する管支持手段を設けると共に、上記管嵌合手段と管支持手段とで支持した管体を任意方向に回転する管回転手段を設けた管溶接切断工具であることを特徴とする。 According to a first aspect of the invention, a pipe fitting means for fitting and fixing one end side of the pipe body in the axial direction is provided at one side position corresponding to one end side of the pipe body, and the other end of the pipe body is provided. At the other side position corresponding to the side, a pipe support means for rotatably supporting the other end side of the pipe body is provided, and the pipe body supported by the pipe fitting means and the pipe support means is rotated in an arbitrary direction. It is a pipe welding cutting tool provided with a pipe rotating means.

【０００６】請求項２記載の考案は、上記請求項１記載の構成と併せて、上記管嵌合手段を、上記管体の一端側と対応する位置に管嵌込み板を回転可能に軸支すると共に、上記管嵌込み板の嵌込み面側に、上記管体の一端側を軸方向に嵌込み固定するための環状嵌込み部を形成して構成した管溶接切断工具であることを特徴とする。According to a second aspect of the invention, in addition to the structure of the first aspect, the pipe fitting means is rotatably supported by a pipe fitting plate at a position corresponding to one end side of the pipe body. In addition, it is a pipe welding cutting tool that is configured by forming an annular fitting portion for axially fitting and fixing one end side of the pipe body on the fitting surface side of the pipe fitting plate. Characterize.

【０００７】請求項３記載の考案は、上記請求項２記載の構成と併せて、上記管嵌込み板の嵌込み面側に、該管嵌込み板の回転中心を中心として大きさの異なる複数の各環状嵌込み部を径方向に対して大径となる順に形成した管溶接切断工具であることを特徴とする。According to a third aspect of the present invention, in addition to the configuration according to the second aspect, a plurality of different sizes are provided on the fitting surface side of the tube fitting plate with the rotation center of the tube fitting plate as the center. It is a pipe welding cutting tool in which each of the annular fitting portions is formed in order of increasing diameter in the radial direction.

【０００８】請求項４記載の考案は、上記請求項２記載又は請求項３記載の構成と併せて、上記管嵌込み板の回転中心に、該管嵌込み板に嵌込み固定される最小径の管体よりも小径の管体を差込み固定するための管差込み部を固定すると共に、上記管差込み部材を差込み側端部を軸方向に対して先細となる形状に形成した管溶接切断工具であることを特徴とする。According to a fourth aspect of the invention, in addition to the configuration according to the second or third aspect, the minimum diameter that is fitted and fixed to the pipe fitting plate at the rotation center of the pipe fitting plate. The pipe insertion part for inserting and fixing a pipe with a diameter smaller than that of the above pipe body is fixed, and the pipe insertion member is formed into a shape in which the insertion side end is tapered in the axial direction. It is characterized by being a tool.

【０００９】請求項５記載の考案は、上記請求項１記載の構成と併せて、上記管支持手段を、上記管体の他端側と対応する位置に一対の各受けローラを回転可能に軸受すると共に、上記各受けローラの軸受位置を上記管体の大きさに対応して可変調節可能に設けて構成した管溶接切断工具であることを特徴とする。According to a fifth aspect of the present invention, in addition to the configuration of the first aspect, the pipe supporting means rotatably bears a pair of receiving rollers at a position corresponding to the other end side of the pipe body. In addition, the bearing position of each of the receiving rollers is variably adjustable according to the size of the pipe body, and is a pipe welding cutting tool.

【００１０】請求項６記載の考案は、上記請求項１記載の構成と併せて、上記管体の一側周面と対向する位置に、該管体の適宜周面に対して上記溶融器具を近接した姿勢に保持する器具保持手段を設けた管溶接切断工具であることを特徴とする。According to a sixth aspect of the present invention, in addition to the structure of the first aspect, the melting device is provided at a position facing one side circumferential surface of the tubular body with respect to an appropriate circumferential surface of the tubular body. It is a pipe welding cutting tool provided with a tool holding means for holding in a close posture.

【００１１】[0011]

【作用】[Action]

請求項１記載の管溶接切断工具は、一側位置に設けた管嵌合手段に対して管体の一端側を軸方向に嵌合固定し、他側位置に設けた管支持手段により管体の他端側を回転可能に支持した後、管回転手段により管体を任意方向に回転させながら、管体の適宜周面をトーチ等の溶融器具により加熱溶融して溶接又は切断するので、管体の溶接作業又は切断作業が容易に行える。 The pipe welding cutting tool according to claim 1 is such that one end side of the pipe body is axially fitted and fixed to the pipe fitting means provided at one side position, and the pipe body is provided by the pipe supporting means provided at the other side position. After rotatably supporting the other end side of the tube body, the tube rotating means rotates the tube body in an arbitrary direction while heating and melting the appropriate peripheral surface of the tube body with a melting tool such as a torch to weld or cut. The welding work or cutting work of the pipe body can be easily performed.

【００１２】請求項２記載の管溶接切断工具は、上記請求項１記載の作用と併せて、上記管嵌込み板の嵌込み面側に形成した環状嵌込み部に、管体の一端側を軸方向に嵌込み固定することで、管体の一端側を回転可能に軸支することができ、管体の溶接作業又は切断作業が容易に行える。In the pipe welding cutting tool according to a second aspect of the present invention, in addition to the action of the first aspect, the one end side of the tubular body is attached to the annular fitting portion formed on the fitting surface side of the pipe fitting plate. By fitting and fixing in the axial direction, one end side of the pipe can be rotatably supported, and welding work or cutting work of the pipe can be easily performed.

【００１３】請求項３記載の管溶接切断工具は、上記請求項１記載の作用と併せて、管嵌込み板の各環状嵌込み部に対して適宜大きさの管体を嵌込み固定することで、大きさの異なる様々な管体の溶接又は切断する作業が容易に行える。According to the pipe welding cutting tool of the third aspect, in addition to the action of the first aspect, a pipe body of an appropriate size is fitted and fixed to each annular fitting portion of the pipe fitting plate. By doing so, the work of welding or cutting various pipes of different sizes can be easily performed.

【００１４】請求項４記載の管溶接切断工具は、上記請求項１記載の作用と併せて、管嵌込み板の回転中心に管差込み部材を固定して、同管差込み部材の先細側端部に対して適宜大きさの管体を差込み固定することで、管嵌込み板に嵌込み固定される最小径の管体よりも小径の管体を溶接又は切断する作業が容易に行える。A pipe welding cutting tool according to a fourth aspect of the invention is, in addition to the action of the first aspect, that the pipe insertion member is fixed to the rotation center of the pipe fitting plate, and the tapered side end of the pipe insertion member. By inserting and fixing a tube body of an appropriate size into the portion, the work of welding or cutting a tube body having a diameter smaller than the smallest diameter tube body fitted and fixed to the tube fitting plate can be easily performed.

【００１５】請求項５記載の管溶接切断工具は、上記請求項１記載の作用と併せて、一対の各受けローラを管体の大きさに対応して可変調節した後、同各受けローラの対向周面間に管体の他端側を載置することで、大きさの異なる管体を回転可能に軸受でき、管体の溶接作業又は切断作業が容易に行える。In the pipe welding cutting tool according to a fifth aspect of the present invention, together with the action of the first aspect, after the pair of receiving rollers are variably adjusted according to the size of the tubular body, By placing the other end of the pipe between the opposing peripheral surfaces, pipes of different sizes can be rotatably supported, and welding work or cutting work of the pipe can be easily performed.

【００１６】請求項６記載の管溶接切断工具は、上記請求項１記載の作用と併せて、トーチ等の溶融器具を器具保持手段により保持して、管体の溶接部分又は切断部分に対して溶融器具を近接した姿勢に保持することで、管体と溶融器具との間隔を常時一定に保つことができ、作業者の手で溶融器具を保持する必要が無く、管体の溶接部分又は切断部分を溶融器具により正確に加熱溶融することができる。A pipe welding cutting tool according to a sixth aspect of the present invention, in addition to the action of the first aspect, holds a melting instrument such as a torch by means of an instrument holding means, so that the welding portion or the cutting portion of the pipe body can be prevented. By holding the melting instrument in a close position, the distance between the pipe and the melting instrument can be kept constant at all times, and it is not necessary for the operator to hold the melting instrument by hand. Alternatively, the cut portion can be accurately heated and melted by a melting device.

【００１７】[0017]

【考案の効果】[Effect of device]

この考案によれば、管溶接切断工具を構成する管嵌合手段と管支持手段とで管体を回転可能に支持し、管体を回転させながらトーチ等の溶融器具により加熱溶融して溶接又は切断するので、従来例のように作業者の手で管体とトーチとを相対移動させるような手間及び作業が省け、溶接不良や切断不良等が起きるのを防止できると共に、管体の溶接部分又は切断部分に対してトーチから吹出される火炎を正確に吹付けることができ、管体の溶接作業又は切断作業が容易に行える。 According to this invention, the pipe is rotatably supported by the pipe fitting means and the pipe supporting means constituting the pipe welding cutting tool, and is heated and melted by a melting tool such as a torch while the pipe is being rotated to be welded. Alternatively, cutting and cutting can save the labor and work of moving the pipe and the torch relative to each other by the operator's hand as in the conventional example, and can prevent welding defects and cutting defects from occurring. The flame blown out from the torch can be accurately blown to the welded part or the cut part of the pipe, and the welding work or cutting work of the pipe body can be easily performed.

【００１８】しかも、管嵌込み板の各環状嵌込み部又は管差込み部材の先細側端部に管体を差込み固定することで、大きさ及び形状の異なる様々な管体の溶接作業又は切断作業に適用することができる。且つ、トーチ等の溶融器具を器具保持手段により保持して管体の溶接部分又は切断部分に近接することで、管体とトーチとの間隔を常時一定に保つことができ、作業者の手でトーチを保持する必要が無く、管体の溶接部分又は切断部分をトーチにより正確に加熱溶融することができ、溶接不良又は切断不良が起きるのを確実に防止できる。Moreover, by inserting and fixing the tubular body into each annular fitting portion of the tubular fitting plate or the tapered side end portion of the tubular fitting member, welding work or cutting work of various tubular bodies having different sizes and shapes is performed. Can be applied to. Moreover, by holding the melting tool such as the torch by means of the tool holding means and approaching the welded or cut portion of the pipe body, the distance between the pipe body and the torch can be kept constant at all times by the operator. Since it is not necessary to hold the torch, the welded or cut portion of the pipe can be heated and melted accurately by the torch, and welding failure or cutting failure can be reliably prevented.

【００１９】[0019]

【実施例】【Example】

この考案の一実施例を以下図面に基づいて詳述する。図面は管体の一例として丸形断面を有する管体の溶接作業又は切断作業に用いられる管溶接切断工具を示し、図１及び図２に於いて、この管溶接切断工具１は、管体Ｋの一側端部にジョイントＬを溶接する作業、同一管径及び形状を有する各管体Ｋ，Ｋを溶接する作業、或いは、管体Ｋを適宜長さに切断する作業に用いられ、管回転台２に軸支した管嵌込み板３の嵌込み面側に大径サイズを有する管体Ｋの一端側を嵌込み固定する。或いは、管嵌込み板３の回転中心に管差込み部材４を嵌合固定して、同管差込み部材４の先細側端部４ｂに小径サイズを有する管体Ｋの一端側を差込み固定する。管回転台２の嵌込み側に管支持台５を適宜間隔に近接して接地し、管支持台５に軸支した各受けローラ６，６間に管体Ｋの他端側を載置して、一方の受けローラ６側に連結した操作ハンドル７の回動操作により、各受けローラ６，６間に載置した管体Ｋを任意方向に回転させると共に、作業者の手で保持したトーチＴ又は後述するトーチ支持台３０で保持したトーチＴを管体Ｋの適宜周面に近接して、同管体Ｋの適宜周面をトーチＴから吹出される火炎により加熱溶融して溶接又は切断する構成である。 An embodiment of the present invention will be described in detail below with reference to the drawings. The drawings show a pipe welding cutting tool used for welding or cutting a pipe having a round cross section as an example of the pipe. In FIGS. 1 and 2, the pipe welding cutting tool 1 is a pipe K. It is used for welding a joint L to one side end of the pipe, for welding pipes K having the same pipe diameter and shape, or for cutting the pipe K to an appropriate length. One end side of a tube K having a large diameter size is fitted and fixed on the fitting surface side of a tube fitting plate 3 pivotally supported on the base 2. Alternatively, the pipe insertion member 4 is fitted and fixed to the rotation center of the pipe insertion plate 3, and one end side of the pipe body K having a small diameter size is inserted and fixed to the tapered side end 4b of the pipe insertion member 4. On the fitting side of the tube rotating table 2, the tube supporting table 5 is appropriately grounded in close proximity to each other, and the other end side of the tube body K is mounted between the receiving rollers 6 and 6 pivotally supported by the tube supporting table 5. Then, by rotating the operation handle 7 connected to one of the receiving rollers 6 side, the tubular body K placed between the receiving rollers 6 and 6 is rotated in an arbitrary direction and held by the operator's hand. The torch T or the torch T held by the torch support 30 described later is brought close to the appropriate peripheral surface of the tubular body K, and the appropriate peripheral surface of the tubular body K is heated and melted by the flame blown from the torch T and welded. Alternatively, it is configured to be cut.

【００２０】上述した管回転台２は、図３、図４、図５に示すように、横長形状に形成した底面板８の上面側両端部に各側面板９，９を鉛直に起立して溶接し、同底面板８の上面側中央部に中間板１０を鉛直に起立して溶接し、各側面板９，９の対向側中央部と中間板１０の両側縁部とを溶接している。且つ、中間板１０の上端側中央部に折曲げ形成した連結片１１と、後述する可動板１２の後端側に折曲げ形成した連結片１３とを締付けボルト１４及び締付けナット１５とで上下回動可能に連結固定し、後述する管嵌込み板３が正向きとなる水平姿勢と、同管嵌込み板３が上向きとなる鉛直姿勢とに可動板１２を回動固定する。As shown in FIGS. 3, 4, and 5, the above-described tube turntable 2 has vertical side plates 9 and 9 at both ends on the upper surface side of a bottom plate 8 formed in a horizontally long shape. The intermediate plate 10 is vertically erected on the upper surface side central portion of the bottom plate 8 and welded, and the opposite side central portions of the side surface plates 9 and 9 and both side edge portions of the intermediate plate 10 are welded. . In addition, a connecting piece 11 bent at the center of the upper end side of the intermediate plate 10 and a connecting piece 13 bent at the rear end side of the movable plate 12, which will be described later, are moved up and down by a tightening bolt 14 and a tightening nut 15. The movable plate 12 is rotatably connected and fixed, and the movable plate 12 is rotationally fixed in a horizontal posture in which the pipe fitting plate 3 described later is in a normal direction and a vertical posture in which the pipe fitting plate 3 is in an upward direction.

【００２１】且つ、可動板１２の前端側中心部に支持軸１６の一端側を挿通して回転不可に固定し、同支持軸１６の他端側を管嵌込み板３の後面側中心部に固定した軸受部１７に挿通して回転可能に軸受し、同支持軸１６を中心として管嵌込み板３を正逆回転可能に軸受している。Further, one end side of the support shaft 16 is inserted into the center part of the front end side of the movable plate 12 so as not to rotate, and the other end side of the support shaft 16 is fixed to the center part of the rear surface side of the pipe fitting plate 3. It is inserted through the fixed bearing portion 17 and rotatably bears the bearing, and the tube fitting plate 3 bears rotatably forward and backward about the support shaft 16.

【００２２】且つ、溶接時又は切断時に於いて、管回転台２を適宜場所（図示省略）に接地したとき、底面板８の中央部又は四隅部に螺合した調節ボルト１８を回動操作して、適宜場所の接地面に調節ボルト１８を当接して高さ調節することで、管回転台２の姿勢を安定させる。In addition, at the time of welding or cutting, when the tube turntable 2 is grounded at an appropriate place (not shown), the adjusting bolt 18 screwed to the central portion or the four corners of the bottom plate 8 is rotated. Then, the adjustment bolt 18 is brought into contact with the grounding surface at an appropriate place to adjust the height, thereby stabilizing the posture of the tube rotary base 2.

【００２３】前述の管嵌込み板３は、上述した支持軸１６の他端側に管嵌込み板３の後面側中心部を軸受し、同管嵌込み板３の前面側中心部に対して差込み軸３ａを軸方向に突設し、同管嵌込み板３に突設した差込み軸３ａを中心として、異なる外径寸法に形成した４本の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅを径方向に対して大径となる順に固定し、同各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅの差込み側周縁部に３枚の各管支持片３ｆ…を円周方向に対して所定間隔に隔てて固定している。つまり、管嵌込み板３に固定した各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅの内側に、同各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅの内径寸法と対応する大きさ及び形状の管体Ｋを嵌込み固定し、各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに固定した各管支持片３ｆ…の内側に、同各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅの外径寸法と対応する大きさ及び形状の管体Ｋを嵌込み固定する。The above-mentioned tube fitting plate 3 bears the center part of the rear surface side of the tube fitting plate 3 on the other end side of the above-mentioned support shaft 16, and with respect to the center part of the front surface side of the tube fitting plate 3. The insertion shaft 3a is provided so as to project in the axial direction, and the four insertion pipes 3b, 3c, 3d having four different outer diameters are formed around the insertion shaft 3a provided on the pipe insertion plate 3 as a center. 3e are fixed in the order of increasing diameter with respect to the radial direction, and three pipe support pieces 3f ... Are provided in the circumferential direction on the insertion side peripheral edge of each pipe fitting ring 3b, 3c, 3d, 3e. It is fixed at a predetermined interval. That is, inside the pipe fitting rings 3b, 3c, 3d, 3e fixed to the pipe fitting plate 3, the size and shape corresponding to the inner diameter of the respective pipe fitting rings 3b, 3c, 3d, 3e. Of the pipe fitting rings 3b, 3c, 3d, 3e inside the pipe support pieces 3f, which are fixed by fitting the pipe body K, and fixed to the pipe fitting rings 3b, 3c, 3d, 3e. A tube body K having a size and shape corresponding to the outer diameter is fitted and fixed.

【００２４】前述の管差込み部材４は、図６に示すように、上述した管嵌込み板３の差込み軸３ａに対して嵌合固定される大きさ及び形状に管差込み部材４の基端側円筒部４ａを中空形状に形成し、同管差込み部材４の先端側を軸方向に対して徐々に小径となる先細形状に形成している。つまり、管嵌込み板３に突設した差込み軸３ａに管差込み部材４の基端側円筒部４ａを嵌合し、同管差込み部材４の基端側周面部に取付けた締付けボルト２８及び締付けナット２９により締付け固定する。この後、管差込み部材４の先細側端部４ｂに対して、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに対して嵌込み固定される最小径の管体Ｋよりも小径サイズの管体Ｋを差込み固定する。As shown in FIG. 6, the pipe inserting member 4 has a size and a shape to be fitted and fixed to the inserting shaft 3a of the pipe inserting plate 3 described above, and the base end side of the pipe inserting member 4 is fixed. The cylindrical portion 4a is formed in a hollow shape, and the tip end side of the pipe insertion member 4 is formed in a tapered shape whose diameter gradually decreases in the axial direction. That is, the base end side cylindrical portion 4a of the pipe insert member 4 is fitted to the insert shaft 3a protruding from the pipe insert plate 3, and the tightening bolt 28 and the tightening bolt 28 attached to the base end side peripheral surface of the pipe insert member 4 are Tighten and fix with the tightening nut 29. After this, with respect to the tapered end portion 4b of the tube insertion member 4, the tube body K having the smallest diameter fitted and fixed to the respective tube fitting rings 3b, 3c, 3d, 3e of the tube fitting plate 3 Also, insert and fix the small-diameter pipe K.

【００２５】前述の管支持台５は、図７、図８に示すように、横長形状に形成した支持台１９の上面側に各ローラ受け台２０，２１を相対向して配設すると共に、同支持台１９の一端側上面部にローラ受け台２０を移動不可に固定し、同支持台１９の他端側上面部に他方のローラ受け台２１をスライド可能に取付けている。且つ、各受けローラ６，６の周面部分を耐熱性の被覆部材（例えば、耐熱性の合成ゴム）で被覆又は形成している。As shown in FIGS. 7 and 8, the above-described tube support base 5 has roller support bases 20 and 21 arranged to face each other on the upper surface side of a support base 19 formed in a horizontally long shape. A roller receiving base 20 is immovably fixed to an upper surface of one end of the supporting base 19, and the other roller receiving base 21 is slidably attached to an upper surface of the other end of the supporting base 19. In addition, the peripheral surface portions of the receiving rollers 6 and 6 are covered or formed with a heat-resistant covering member (for example, heat-resistant synthetic rubber).

【００２６】一方のローラ受け台２０は、同ローラ受け台２０に軸受した受けローラ６の回転軸６ａと、同ローラ受け台２０の一側端部に取付けた変速機構２２とを直結して、同変速機構２２に連結した操作ハンドル７の回動操作により受けローラ６を正逆回転する。つまり、一方のローラ受け台２０側に軸受した受けローラ６の回転力により管体Ｋを直接回転すると共に、同管体Ｋの回転を他方のローラ受け台２１側に軸受した受けローラ６に伝達して従動回転する。The roller pedestal 20 on one side directly connects the rotation shaft 6 a of the receiving roller 6 borne by the roller pedestal 20 and the speed change mechanism 22 attached to one end of the roller pedestal 20. The rotation of the operation handle 7 connected to the speed change mechanism 22 causes the receiving roller 6 to rotate forward and backward. That is, the tubular body K is directly rotated by the rotating force of the receiving roller 6 bearing on one roller receiving base 20 side, and the rotation of the tubular body K is applied to the receiving roller 6 bearing on the other roller receiving base 21 side. It transmits and is driven to rotate.

【００２７】他方のローラ受け台２１は、支持台１９の上面側中央部に沿ってガイド溝２３を長手方向に形成し、同支持台１９のガイド溝２３にローラ受け台２１の下面側に固定したガイド片２４をスライド可能に係合すると共に、支持台１９の上面側両側部に形成した任意位置の各係止孔２５…と、ローラ受け台２１の下面側両端部に形成した各係止孔２６…とを連通して、同各係止孔２５，２６に各係止ピン２７…を挿通してローラ受け台２１のスライド位置を固定することで、管体Ｋの外径寸法に対応して各受けローラ６，６の受け間隔を可変調節する。The other roller receiving base 21 has a guide groove 23 formed in the longitudinal direction along the central portion of the upper surface side of the supporting base 19, and is fixed to the lower surface side of the roller receiving base 21 in the guide groove 23 of the supporting base 19. The guide pieces 24 are slidably engaged with each other, and the locking holes 25 at arbitrary positions formed on both sides of the upper surface of the support base 19 and the respective locking holes formed on both ends of the lower surface of the roller receiving base 21. Corresponding to the outer diameter of the tubular body K by communicating with the holes 26, and inserting the locking pins 27 into the locking holes 25, 26 to fix the sliding position of the roller receiving base 21. Then, the receiving intervals of the receiving rollers 6 and 6 are variably adjusted.

【００２８】且つ、各ローラ受け台２０，２１の対向側両端部に、上述した受けローラ６の横幅寸法よりも幅広間隔に隔てて各受け板２０ａ，２０ａ及び各受け板２１ａ，２１ａを形成し、各受け板２０ａ，２０ａの傾斜側端部に各係止溝２０ｂ，２０ｃ，２０ｄを上段側から順次形成し、各受け板２１ａ，２１ａの傾斜側端部に各係止溝２１ｂ，２１ｃ，２１ｄを上段側から順次形成すると共に、受け板２０ａの各係止溝２０ｂ，２０ｃ，２０ｄと、受け板２１ａの各係止溝２１ｂ，２１ｃ，２１ｄとの対向間隔を下方に対して順次狭なる間隔に設定している。つまり、ローラ受け台２０に形成した各受け板２０ａ，２０ａの各係止溝２０ｂ，２０ｃ，２０ｄと、ローラ受け台２１に形成した各受け板２１ａ，２１ａの各係止溝２１ｂ，２１ｃ，２１ｄとに、各受けローラ６，６の回転中心に挿通した各回転軸６ａ，６ａを軸架することで、管体Ｋの外径寸法に対応して各受けローラ６，６を高さ調節する。Further, the receiving plates 20a, 20a and the receiving plates 21a, 21a are formed at both end portions of the roller receiving bases 20, 21 facing each other at a distance wider than the lateral width dimension of the receiving roller 6 described above. , The locking grooves 20b, 20c, 20d are sequentially formed on the inclined side ends of the receiving plates 20a, 20a from the upper side, and the locking grooves 21b, 21c are formed on the inclined side ends of the receiving plates 21a, 21a. , 21d are sequentially formed from the upper side, and the facing intervals between the locking grooves 20b, 20c, 20d of the receiving plate 20a and the locking grooves 21b, 21c, 21d of the receiving plate 21a are sequentially narrowed downward. Has been set to an interval. That is, the engaging grooves 20b, 20c, 20d of the receiving plates 20a, 20a formed on the roller receiving base 20 and the engaging grooves 21b, 21c of the receiving plates 21a, 21a formed on the roller receiving base 21, respectively. 21d and the respective rotary shafts 6a and 6a inserted through the rotation centers of the respective receiving rollers 6 and 6 are mounted on the shaft 21a to adjust the height of the respective receiving rollers 6 and 6 according to the outer diameter of the tubular body K. To do.

【００２９】前述のトーチ支持台３０は、図９、図１０に示すように、横長形状に形成した支持板３１の上面側中央部にガイド板３２を鉛直に立設し、同ガイド板３２の垂直面に沿ってガイド溝３３を長手方向に形成し、同ガイド溝３３上にブラケット３４の一端側を上下摺動可能に係合して、同ブラケット３４に取付けた締付けボルト３５及び締付けナット３６により任意高さに締付け固定すると共に、同ブラケット３４の他端側に保持したトーチＴを任意角度に締付け固定する。つまり、管支持台５により支持された管体Ｋの一側部にトーチ支持台３０を適宜間隔に近接して接地し、管体Ｋの溶接作業又は切断作業に対応してトーチＴを高さ及び角度に調節する。As shown in FIGS. 9 and 10, the above-described torch support base 30 has a guide plate 32 vertically set up at the central portion on the upper surface side of a support plate 31 formed in a horizontally long shape. A guide groove 33 is formed in the longitudinal direction along the vertical surface, and one end side of the bracket 34 is vertically slidably engaged with the guide groove 33, and the tightening bolt 35 and the tightening nut mounted on the bracket 34 are attached. The torch T held by the other end of the bracket 34 is fixed at an arbitrary angle while being fixed at an arbitrary height by 36. That is, the torch support base 30 is grounded at one side of the pipe body K supported by the pipe support base 5 at an appropriate interval, and the torch T is raised in accordance with the welding work or cutting work of the pipe body K. And adjust the angle.

【００３０】図示実施例は上記の如く構成するものとして、以下、管溶接切断工具１により管体Ｋを溶接又は切断するときの作業方法を説明する。先ず、長尺寸法を有する管体Ｋの一側端部に管接続用のジョイントＬを溶接する場合、管体Ｋの溶接側端部にジョイントＬを嵌着して仮溶接し、管回転台２の嵌込み側に管支持台５を適宜間隔に近接して接地する。図１に示すように、管回転台２に軸支した管嵌込み板３を水平方向に向けて回転固定した後、管嵌込み板３に固定した何れか一つの各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに対して大径サイズに形成した管体Ｋの一端側を水平方向に嵌込み固定する。Assuming that the illustrated embodiment is configured as described above, a working method for welding or cutting the pipe body K with the pipe welding cutting tool 1 will be described below. First, when welding the joint L for pipe connection to one end of the tubular body K having a long dimension, the joint L is fitted to the welded end of the tubular body K and temporarily welded to rotate the pipe. The tube support base 5 is grounded on the fitting side of the base 2 at a suitable interval. As shown in FIG. 1, after the tube fitting plate 3 pivotally supported on the tube rotation table 2 is fixed by rotating in the horizontal direction, any one of the tube fitting rings 3b fixed to the tube fitting plate 3 is fixed. , 3c, 3d, 3e, one end side of the tubular body K formed in a large diameter size is horizontally fitted and fixed.

【００３１】また、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに嵌込み固定される最小径の管体Ｋよりも小径サイズの管体Ｋを溶接する場合、図２に示すように、管嵌込み板３の回転中心に管差込み部材４を嵌合固定して、同管差込み部材４の先細側端部４ｂに対して小径サイズに形成した管体Ｋの一端側を水平方向に差込み固定する。なお、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに嵌込み固定した管体Ｋにガタ付きがある場合、各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅと管体Ｋとの隙間にスペーサ３７を差込んでガタ付きを防止する。Further, in the case of welding a pipe body K having a diameter smaller than the minimum diameter pipe body K fitted and fixed to each pipe fitting ring 3b, 3c, 3d, 3e of the pipe fitting plate 3, FIG. As shown in FIG. 1, one end of the pipe body K formed by fitting and fixing the pipe insertion member 4 at the center of rotation of the pipe insertion plate 3 and forming a small diameter size with respect to the tapered side end 4 b of the pipe insertion member 4. Insert the side horizontally and fix it. When the tube body K fitted and fixed in each of the tube fitting rings 3b, 3c, 3d, 3e of the tube fitting plate 3 has backlash, each of the tube fitting rings 3b, 3c, 3d, 3e and The spacer 37 is inserted in the gap with the body K to prevent backlash.

【００３２】次に、管支持台５に軸支した各受けローラ６，６間に管体Ｋの他端側を水平方向に載置し、一方の受けローラ６側に連結した操作ハンドル７を作業者の手で回動操作して、図７に示すように、各受けローラ６，６間に載置した管体Ｋを任意方向に回転させる。同時に、作業者の手で保持したトーチＴ又はトーチ支持台３０に取付けたトーチＴを管体Ｋに近接し、同管体Ｋの溶接部分にトーチＴから吹出される火炎を適宜間隔に近接して、各受けローラ６，６間に載置した管体Ｋを回転させながら、同各管体Ｋの溶接側端部をトーチＴから吹出される火炎により加熱溶融して溶接するので、大きさの異なる様々な管体Ｋの溶接作業が容易に行える。Next, the other end side of the pipe body K is horizontally placed between the receiving rollers 6 and 6 pivotally supported on the tube support base 5, and the operation handle 7 connected to one receiving roller 6 side. 7 is rotated by the operator's hand to rotate the tubular body K placed between the receiving rollers 6 and 6 in an arbitrary direction as shown in FIG. At the same time, the torch T held by the operator's hand or the torch T attached to the torch support base 30 is brought close to the pipe body K, and the flame blown out from the torch T is brought close to the welded portion of the pipe body K at appropriate intervals. Then, while rotating the pipe body K placed between the receiving rollers 6 and 6, the welding side end of each pipe body K is heated and melted by the flame blown out from the torch T and welded. Welding work of various pipes K with different heights can be performed easily.

【００３３】一方、大径サイズの管体Ｋを適宜長さに切断する場合、管嵌込み板３に固定した何れか一つの各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに対して大径サイズの管体Ｋを水平方向に嵌込み固定する。また、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに嵌込み固定される最小径の管体Ｋよりも小径サイズの管体Ｋを切断する場合、管嵌込み板３の回転中心に管差込み部材４を嵌合固定して、同管差込み部材４の先細側端部４ｂに小径サイズの管体Ｋを水平方向に差込み固定する。On the other hand, when the large-diameter pipe body K is cut to an appropriate length, it is larger than any one of the pipe fitting rings 3 b, 3 c, 3 d, 3 e fixed to the pipe fitting plate 3. The tubular body K having a diameter size is fitted and fixed in the horizontal direction. Further, when cutting a pipe K having a smaller diameter than the pipe K having the smallest diameter fitted and fixed to each pipe fitting ring 3 b, 3 c, 3 d, 3 e of the pipe fitting plate 3, the pipe fitting plate The pipe insertion member 4 is fitted and fixed at the center of rotation of the pipe 3, and the pipe body K having a small diameter is horizontally inserted and fixed to the tapered end portion 4b of the pipe insertion member 4.

【００３４】次に、管支持台５に軸支した各受けローラ６，６間に管体Ｋの他端側を水平方向に載置し、図７に示すように、一方の受けローラ６側に連結した操作ハンドル７を回動操作して、各受けローラ６，６間に載置した管体Ｋを任意方向に回転させると共に、作業者の手で保持したトーチＴ又はトーチ支持台３０に取付けたトーチＴを管体Ｋの切断部分に近接して、各受けローラ６，６間に載置した管体Ｋを回転させながら、同管体Ｋの切断部分をトーチＴから吹出される火炎により加熱溶融して切断するので、大きさの異なる様々な管体Ｋの切断作業が容易に行える。Next, the other end of the tubular body K is placed in the horizontal direction between the receiving rollers 6 and 6 pivotally supported by the tube supporting base 5, and as shown in FIG. The operation handle 7 connected to the side is rotated to rotate the pipe K placed between the receiving rollers 6 and 6 in an arbitrary direction, and the torch T or the torch support base held by the operator's hand. The torch T attached to 30 is brought close to the cut portion of the tubular body K, and the cut portion of the tubular body K is removed from the torch T while rotating the tubular body K mounted between the receiving rollers 6 and 6. Since it is heated and melted and cut by the blown-out flame, it is possible to easily perform the cutting work of various tubular bodies K having different sizes.

【００３５】短尺寸法を有する管体Ｋの一側端部にジョイントＬを溶接又は管体Ｋを適宜長さに切断する場合、図１１に示すように、管回転台２に軸支した管嵌込み板３を９０度回転して鉛直方向に向けて回転固定した後、管嵌込み板３に固定した何れか一つの各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに対して大径サイズの管体Ｋを鉛直方向に嵌込み固定する。また、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに嵌込み固定される最小径の管体Ｋよりも小径サイズの管体Ｋを溶接又は切断する場合、図１２に示すように、管嵌込み板３の回転中心に管差込み部材４を嵌合固定して、同管差込み部材４の先細側端部４ｂに小径サイズの管体Ｋを鉛直方向に差込み固定する。When a joint L is welded to one end of the tubular body K having a short dimension or the tubular body K is cut to an appropriate length, as shown in FIG. After the fitting plate 3 is rotated 90 degrees and fixed in the vertical direction by rotation, the pipe fitting ring 3 is fixed to the pipe fitting plate 3 and has a large diameter size with respect to any one of the pipe fitting rings 3b, 3c, 3d and 3e. The tube body K of No. 1 is vertically inserted and fixed. Further, when welding or cutting a tubular body K having a diameter smaller than the minimum diameter tubular body K fitted and fixed to each of the tubular fitting rings 3b, 3c, 3d, 3e of the tubular fitting plate 3, FIG. As shown in, the pipe insertion member 4 is fitted and fixed to the rotation center of the pipe insertion plate 3, and the small-diameter size pipe K is vertically inserted into the tapered side end 4b of the pipe insertion member 4. Fix it.

【００３６】次に、管回転台２に軸支した管嵌込み板３又は管体Ｋを一方の手で保持して任意方向に回転させると共に、他方の手で保持したトーチＴ又はトーチ支持台３０に取付けたトーチＴを管体Ｋの適宜周面に近接して、管嵌込み板３又は管差込み部材４に差込み固定した管体Ｋを回転させながら、同管体Ｋの適宜周面をトーチＴから吹出される火炎により加熱溶融して溶接又は切断するので、大きさの異なる短尺寸法の管体Ｋを溶接又は切断する作業が容易に行える。Next, the tube fitting plate 3 or the tube body K pivotally supported on the tube turntable 2 is held by one hand to rotate in the desired direction, and the torch T or torch support held by the other hand is held. The torch T attached to the base 30 is brought close to an appropriate peripheral surface of the tubular body K, and the appropriate peripheral surface of the tubular body K is rotated while rotating the tubular body K inserted and fixed in the pipe fitting plate 3 or the pipe inserting member 4. Is melted by heating with a flame blown out from the torch T and then welded or cut. Therefore, the work of welding or cutting the tubular body K having a short size different in size can be easily performed.

【００３７】以上のように、管溶接切断工具１を構成する管回転台２と管支持台５とで管体Ｋを回転可能に支持した後、作業者の手で保持したトーチＴ又はトーチ支持台３０に取付けたトーチＴを管体Ｋに近接して、管体Ｋを回転させながら加熱溶融して溶接又は切断するので、従来例のように作業者の手で管体ＫとトーチＴとを相対移動させるような手間及び作業が省け、溶接不良や切断不良等が起きるのを防止できると共に、管体Ｋの溶接部分又は切断部分に対してトーチＴから吹出される火炎を正確に吹付けることができ、管体Ｋの溶接作業又は切断作業が容易に行える。As described above, after the tube body K is rotatably supported by the tube rotating table 2 and the tube supporting table 5 which form the tube welding cutting tool 1, the torch T or torch support held by the operator's hand is provided. Since the torch T attached to the base 30 is brought close to the pipe body K, and the pipe body K is heated and melted while welding to be cut or welded while rotating, the pipe body K and the torch T are manually operated by the operator as in the conventional example. It is possible to save the trouble and work of moving and to move, and to prevent welding failure and cutting failure, and to accurately detect the flame blown out from the torch T to the welded or cut portion of the pipe body K. Can be sprayed onto the pipe body, and the welding or cutting work of the pipe body K can be easily performed.

【００３８】且つ、管回転台２に軸支した管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅ又は管嵌込み板３の回転中心に固定した管差込み部材４の先細側端部４ｂに適宜サイズの管体Ｋを差込み固定することで、大きさ及び形状の異なる様々な管体Ｋの溶接作業又は切断作業に適用することができる。In addition, each tube fitting ring 3 b, 3 c, 3 d, 3 e of the tube fitting plate 3 pivotally supported on the tube rotation base 2 or the tapered insertion member 4 fixed to the rotation center of the tube fitting plate 3. By inserting and fixing the tubular body K of an appropriate size in the side end portion 4b, it is possible to apply to welding work or cutting work of various tubular bodies K having different sizes and shapes.

【００３９】且つ、トーチ支持台３０に取付けたトーチＴを管体Ｋの溶接部分又は切断部分に近接することで、管体ＫとトーチＴとの間隔を常時一定に保つことができ、作業者の手でトーチＴを保持する必要が無く、管体Ｋの溶接部分又は切断部分をトーチＴにより正確に加熱溶融することができ、溶接不良又は切断不良が起きるのを確実に防止できる。Further, by bringing the torch T attached to the torch support base 30 close to the welded portion or the cut portion of the pipe body K, the interval between the pipe body K and the torch T can be kept constant at all times. Since it is not necessary to hold the torch T by hand, the welded portion or cut portion of the pipe body K can be heated and melted accurately by the torch T, and it is possible to reliably prevent welding failure or cutting failure.

【００４０】この考案の構成と、上述の実施例との対応において、この考案の溶融器具は、実施例のトーチＴに対応し、以下同様に、管嵌合手段は、管回転台２及び管嵌込み板３と、各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅと、管支持片３ｆに対応し、環状嵌込み部は、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅに対応し、管支持手段は、管支持台５及び各受けローラ６，６に対応し、管回転手段は、管支持台５及び各受けローラ６，６と、操作ハンドル７と、変速機構２２とに対応し、器具保持手段は、トーチ支持台３０に対応するも、この考案は、上述の実施例の構成のみに限定されるものではない。In the correspondence between the configuration of the present invention and the above-described embodiment, the melting instrument of the present invention corresponds to the torch T of the embodiment, and similarly, the pipe fitting means is the pipe rotary base 2 and the pipe. The fitting plate 3 corresponds to the pipe fitting rings 3b, 3c, 3d, 3e and the pipe support piece 3f, and the ring-shaped fitting portion includes the pipe fitting rings 3b, 3c, 3d of the pipe fitting plate 3. , 3e, the tube support means corresponds to the tube support base 5 and the receiving rollers 6 and 6, and the tube rotating means corresponds to the tube support base 5 and the receiving rollers 6 and 6, the operation handle 7, The device holding means corresponds to the torch support base 30 in correspondence with the speed mechanism 22. However, the present invention is not limited to the configuration of the above-described embodiment.

【００４１】上述の実施例では、管溶接切断工具１を構成する管回転台２の管嵌込み板３に丸形断面に形成した管体Ｋの一端側を嵌込み固定して行う作業を説明したが、管嵌込み板３の各管嵌込みリング３ｂ，３ｃ，３ｄ，３ｅ及び管差込み部材４の先細側端部４ｂと、例えば、三角断面、四角断面、楕円断面等に形成した管体Ｋの一端側とを互いに差込み可能に設けることで、様々な形状を有する管体Ｋの溶接作業又は切断作業にも適用することができ、実施例で説明した丸形断面の管体Ｋのみに用途が限定されるものではない。In the above-described embodiment, the work performed by fitting and fixing one end side of the tubular body K formed in the round cross section into the tubular fitting plate 3 of the tubular rotary base 2 which constitutes the tubular welding cutting tool 1 will be described. However, the pipe fitting rings 3b, 3c, 3d, 3e of the pipe fitting plate 3 and the tapered side end 4b of the pipe inserting member 4 and the pipe formed in, for example, a triangular cross section, a square cross section, an elliptical cross section, or the like. By providing the one end side of the body K so that it can be inserted into each other, it can be applied to welding work or cutting work of the pipe body K having various shapes, and only the pipe body K having the round cross section described in the embodiment. The use is not limited to.

【図面の簡単な説明】[Brief description of drawings]

【図１】管溶接切断工具による長尺大径管の支持状態を
示す側面図。FIG. 1 is a side view showing a supported state of a long large-diameter pipe by a pipe welding cutting tool.

【図２】管溶接切断工具による長尺小径管の支持状態を
示す側面図。FIG. 2 is a side view showing a supporting state of a long small diameter pipe by a pipe welding cutting tool.

【図３】管回転台及び管嵌込み板を示す正面図。FIG. 3 is a front view showing a tube turntable and a tube fitting plate.

【図４】管嵌込み板の軸支構造を示す側面図。FIG. 4 is a side view showing a shaft support structure of a tube fitting plate.

【図５】管嵌込み板の軸支構造を示す平面図。FIG. 5 is a plan view showing a shaft support structure of a tube fitting plate.

【図６】管差込み部材の外観形状を示す側面図。FIG. 6 is a side view showing the external shape of the pipe insertion member.

【図７】管支持台による管体の支持状態を示す側面図。FIG. 7 is a side view showing a supporting state of a pipe body by a pipe support base.

【図８】ローラ受け台の取付け構造を示す縦断正面図。FIG. 8 is a vertical sectional front view showing a mounting structure of a roller pedestal.

【図９】トーチ支持台によるトーチの保持状態を示す側
面図。FIG. 9 is a side view showing a holding state of the torch by the torch support base.

【図１０】トーチ支持台によるトーチの保持状態を示す
平面図。FIG. 10 is a plan view showing a holding state of the torch by the torch support base.

【図１１】管溶接切断工具による短尺大径管の支持状態
を示す側面図。FIG. 11 is a side view showing a supported state of a short large-diameter pipe by a pipe welding cutting tool.

【図１２】管溶接切断工具による短尺小径管の支持状態
を示す側面図。FIG. 12 is a side view showing a supporting state of a short small diameter pipe by a pipe welding cutting tool.

【符号の説明】[Explanation of symbols]

Ｋ…管体Ｌ…ジョイントＴ…トーチ１…管溶接切断工具２…管回転台３…管嵌込み板３ａ…差込み軸３ｂ，３ｃ，３ｄ，３ｅ…管嵌込みリング４…管差込み部材５…管支持台６…受けローラ７…操作ハンドル１９…支持台２０，２１…ローラ受け台２０ａ，２１ａ…受け板２０ｂ，２０ｃ，２０ｄ…係止溝２１ｂ，２１ｃ，２１ｄ…係止溝２２…変速機構２３…ガイド溝３０…トーチ支持台 K ... Pipe L ... Joint T ... Torch 1 ... Pipe welding cutting tool 2 ... Pipe rotating base 3 ... Pipe fitting plate 3a ... Insertion shaft 3b, 3c, 3d, 3e ... Pipe fitting ring 4 ... Pipe insertion member 5 ... Pipe support 6 ... Receiving roller 7 ... Operation handle 19 ... Support 20 and 21 ... Roller receiving 20a, 21a ... Receiving plate 20b, 20c, 20d ... Locking groove 21b, 21c, 21d ... Locking groove 22 ... Transmission mechanism 23 ... Guide groove 30 ... Torch support

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

【請求項１】方形断面を有する管体の適宜周面に溶融器
具を近接して、該管体の適宜周面を溶融器具により加熱
溶融して溶接又は切断する工具であって、上記管体の一端側と対応する一側位置に、該管体の一端
側を軸方向に嵌合固定する管嵌合手段を設け、上記管体の他端側と対応する他側位置に、該管体の他端
側を回転可能に支持する管支持手段を設けると共に、上記管嵌合手段と管支持手段とで支持した管体を任意方
向に回転する管回転手段を設けた管溶接切断工具。1. A tool for bringing a melting tool close to a suitable peripheral surface of a tube having a rectangular cross section, and heating and melting the suitable peripheral surface of the tube with a melting tool to weld or cut the tube. A pipe fitting means for axially fitting and fixing one end side of the pipe body at one side position corresponding to one end side of the pipe body, and the pipe body at the other side position corresponding to the other end side of the pipe body. A pipe welding cutting tool provided with pipe supporting means for rotatably supporting the other end side of the pipe, and pipe rotating means for rotating the pipe body supported by the pipe fitting means and the pipe supporting means in an arbitrary direction.

【請求項２】上記管嵌合手段を、上記管体の一端側と対
応する位置に管嵌込み板を回転可能に軸支すると共に、上記管嵌込み板の嵌込み面側に、上記管体の一端側を軸
方向に嵌込み固定するための環状嵌込み部を形成して構
成した請求項１記載の管溶接切断工具。2. The pipe fitting means rotatably supports a pipe fitting plate at a position corresponding to one end side of the pipe body, and the pipe fitting plate is provided with a fitting surface side of the pipe fitting plate. The pipe welding cutting tool according to claim 1, wherein an annular fitting portion for fitting and fixing one end side of the body in the axial direction is formed.

【請求項３】上記管嵌込み板の嵌込み面側に、該管嵌込
み板の回転中心を中心として大きさの異なる複数の各環
状嵌込み部を径方向に対して大径となる順に形成した請
求項２記載の管溶接切断工具。3. A plurality of annular fitting portions having different sizes centering on the center of rotation of the pipe fitting plate are arranged on the fitting surface side of the pipe fitting plate in the order of increasing diameter in the radial direction. The pipe welding cutting tool according to claim 2, which is formed.

【請求項４】上記管嵌込み板の回転中心に、該管嵌込み
板に嵌込み固定される最小径の管体よりも小径の管体を
差込み固定するため管差込み部材を固定すると共に、上記管差込み部材の差込み側端部を軸方向に対して先細
となる形状に形成した請求項２記載又は請求項３記載の
管溶接切断工具。4. A pipe insertion member is fixed to a rotation center of the pipe fitting plate so as to insert and fix a pipe body having a diameter smaller than a minimum diameter pipe body fitted and fixed to the pipe fitting plate, and The pipe welding cutting tool according to claim 2 or 3, wherein the insertion side end of the pipe insertion member is formed in a shape tapering in the axial direction.

【請求項５】上記管支持手段を、上記管体の他端側と対
応する位置に一対の各受けローラを回転可能に軸受する
と共に、上記各受けローラの軸受位置を上記管体の大きさに対応
して可変調節可能に設けて構成した請求項１記載の管溶
接切断工具。5. The pipe supporting means rotatably bears a pair of receiving rollers at a position corresponding to the other end side of the tubular body, and the bearing position of each receiving roller corresponds to the size of the tubular body. The pipe welding cutting tool according to claim 1, wherein the pipe welding cutting tool is provided so as to be variably adjustable in correspondence with the above.

【請求項６】上記管体の一側周面と対向する位置に、該
管体の適宜周面に対して上記溶融器具を近接した姿勢に
保持する器具保持手段を設けた請求項１記載の管溶接切
断工具。6. A tool holding means for holding the melting tool in a posture in which the melting tool is in close proximity to an appropriate peripheral surface of the tubular body, at a position facing one peripheral surface of the tubular body. Pipe welding cutting tool.