JPS58145394A - Guide rall device for automatic welding of internal surface of large-diameter tube - Google Patents

Abstract

PURPOSE:To display the original functions of guide rails and to facilitate portage and installation, by using split members which are linked together annularly, and thus obtaining lightweight guide rails with high rigidity. CONSTITUTION:Each split member 4 consists of an arc-shaped steel-made pipe 5 and a rail body 6 fitted along the internal surface of the pipe. A coupling rod 11 is inserted into the hollow part 51 of a pipe 5 having openings in front surfaces of flange members 10 on both sides of each member 4, which are linked to assemble an annular guide rail 2 in a tube to be welded. Then, the rail 2 is fixedly held along the surface P of a tube to be welded near a welding line through a fixing tool 3 which allows the rail 2 to contact and leave the internal surface P at plural circumferential points. Then, the rail 2 is held attachably to and detachably from a carriage and positioned by a positioning member which has four positioning arm levers extending up and down, and left and right to contact the surface P.

Description

[Detailed description of the invention] The present invention relates to a guide rail device for use in water pipes and oil pipes. ] When welding, attach the ring-shaped guide rail to the inner circumference of the pipe 01111I! A self-propelled trolley equipped with a welding torch is attached to the guide rail of the pipe, and the inner surface of the p-pipe is movable by moving along the guide rail.
! A contacting guide rail device is commonly used. In such a device, the guide rail itself is
lsu! mI! It has Oa.

This is made of steel 1141, and the pigeon coop is made of light metal such as general aluminum for installation during transportation due to its zero weight. Although the rigidity is extremely low, the welding equipment cannot be installed under its own weight, and deformation occurs due to the weight of the welding device. There is a drawback that the guage IIP is also applied to the Hosoka II Qin Rudu. Since it has the following drawbacks, namely OwA in the pipe, it is easy to transport, and it is possible to obtain a good Ichitsuki Seppuku. as)0111
11, left and right pair 0 support ml # (44X44) Niyotsu"c kite rail (41) tl [#111r easily supported, and the upper and lower part of the guide rail (4s) and the transport trolley (43
) and 110 thin rod with turnbuckle (4・)C46)
A structure with a narrower structure that allows for angle adjustment of the idle rail (45) has been proposed. The above-mentioned device, in which the guide rail (4i) is only supported by the transport trolley (43) K, does not have a perfect circular shape, and the details of the guide rail (4i) on the inner periphery (III), which is not a perfect circle, cannot be adjusted. Attachment 1 [There is a problem that it does not work due to the high expectations of K. In the O.D. lifting device, the connected pestle with turnbuckle (44) (4.) K.
), but as shown in Figure 11, the position can be adjusted only in the forward direction, and in the left and right direction, it is possible to adjust the position of the scissors rack body including the cart from side to side. It is a hassle and requires 1kh to go there. In addition, it is practically necessary to arrange the guide rail so that the KFi craftsman who performs grade or grade work smoothly can move back and forth on both sides of the guide rail. The equipment is transported by using a transport trolley (4JI) with a guide rail (No. 4) that ensures ownership of the excavation.
) K II It has a structure that allows it to be held constant), and the above-mentioned transfer of the production line is usually 117&i
There are some drawbacks.

This beak was developed in order to completely eliminate the above-mentioned problems, and in order to make the oil koji, the guide rail was made to have a high yield and strong strength. 2) To provide a device that properly performs the function of a single IIO guide, the transportation and installation of which are harmful to birds. The objective is to provide a device that provides high precision and easy installation.If we consider the basic good image of this project, then the value is at the following 0 points: The 10th basic feature is that the cylinder-shaped guide rail is divided into multiple IkO parts in the circumferential direction.
・Each divided member consists of an 8-arc-shaped steel pipe and a rail body that can be attached along the inside of the arc. ・At both ends of the urn division INt,
The front is the end of the rail body and the rough sketch - and both ends of the pipe are that way.
Connecting feeder 72 with the hollow portion opened in the forward direction
Install the engine IHT. And this is 1kII Tsuyoyo.

A meeting split member is provided at each end, and nine flange members are aligned in the center, and a connecting rod is removably inserted into the opening, so that the connection is made in a ring shape. Make it. II! IHI is inwardly connected to the inside of the pipe and the guide rail is moved inwardly along the pipe.
I set the fixing device to the basic 41I of the round shaft.
When it comes to mold, ζro is constructed by attaching a guide rail holding and positioning carriage to the above structure, and making the guide rail removably held on the carriage.
In addition to the above-mentioned configuration, its specific configuration is such that it extends in four directions in the inner radial direction of the S-contacted pipe on the transport cart, and has a contact portion for the *S* pipe internal image formed at each tip.
Since it has four O arm rods, the guide rail O is a positioning member. Among these positioning circumferences, the upper arm rod and the lower arm rod O end llK are used for 1 positioning. It has a pawl part that extends to one side of III# and is included in the good tip K1m1m1-tip machining 11. A locator arm can be formed and pivotally mounted via its rear end. The upper arm rod is equipped with a support that can slide up and down to prevent the ring-shaped O guide rail from swinging on one side of the 1-position machine member.
A large length adjustment mechanism is attached to the upper arm of the upper part of the upper part of the upper part of the upper part of the upper part of the upper part of the upper part of the upper part of the upper part of the upper arm.

For the lower arm.

In addition to the locking member that can removably lock the lower part of the guide rail that is fixed to the pedestal Km, the lower arm rod O intermediate IIK has a cylinder for adjusting the length of the lower arm rod. Write, Jin's cylinder] A rotary joint is attached to the lower part. ・The left and right arm rods are made to expand and contract, and a 19th 0-11 adjustment mechanism is attached.
One of the #0111KIlff&tL& traveling wheels and its legs are configured to be removable from the main body of the transport vehicle.

The following description will be made based on the drawing of Example tIII of this invention @0.

Figures 2 to 711 show examples of this LI-apparatus.
) is held and identified along the inner circumference mK of the Smen tube (3).

The ring-shaped guide rail (2) is composed of a number of divided members (4) in the circumferential direction, and when these are connected to each other, they are formed into an integral ring shape. Each divided member (4) is composed of a pair of parallel steel pipes (5 bar 5) formed in an arc shape in the elongated direction, and a rail body (6) attached along the inside of the arc shape. be done. Said steel pipe (5) (5)
K is the rail body O attachment part (7)... is identified at appropriate intervals in the long plane direction, and the 8JII attached
The rail main body (41) is attached to (?)- via a spacer (8) and a bolt (9). This rail body (In2) is made of light metal, which makes transportation and mounting similar to @A.

Guide grooves (.1) (.1) for guiding the traveling rollers are formed at both ends mK of the roller, and thick (-3) grooves (-3) are formed in the longitudinal direction of the inside of the circular arc.

1 part lit member (4) 7 tsunge Il material-rings are attached to both ends of O ・This 7 lange S material 0QOQ is that l
ll- is provided so that it becomes the rail main body (the end and the sketch), and the pipe (5 bar 5 JD each end is inside! ll IC company) (drunk) is placed in front of it -KM mouth. In addition, a plurality of bolt holes (lots) for connection are drilled in the above-mentioned member 7 lunge member.The above plurality of divisions of 1m1N (4) are , Insert the 97 flange members provided at each end into the metal plate, and insert the connecting rod shaft into the hollow part (sl) (il) of the pipe (5) (5). The acupuncture needles can be inserted into the guide rail (27), and the guide rail (27) is connected to the guide rail (27).
Connecting bolt 01 is #IAi in the bolt hole (IOIXIOI) of Nji II #Scream! 1111 copies #(4)・
... is strongly INK-linked.

Multiple locations KII in the circumferential direction of the guide rail (2) in the shape of a guide rail (2)
i. The guide rail (2) is held and fixed along the inner circumference of the 11 m pipe. Multiple fixing devices (3 pieces) are provided. This fixing A (a) is installed in the vicinity of the 1 w class pipe.
The guide rail (2) is held almost concentrically with respect to the pipe by contacting the pipe so that it can come into contact with and separate from the surface. ) are provided in two locations each, i.e., the division member (
4) At the installation position of the pipe (#i)
A plate with a bottle (2) is provided, and the fixing A (3) is removably attached via this attachment #7L (2) by bolting, etc.; as this fixing device (3), For example, nut member cL4 like No. 1!150 and No. 1!1111
To! 11i score 11 (151); #formation 1tL nine holes)
It is also possible to adopt a nine-structure structure using (1ift material).

The present invention relates to the above guide rail device.

It is equipped with 1fIA function for positioning and can be attached with a Kubenichi trolley. Figure 11 shows a guide rail device with a striped Satoshi board and a single transport platform. Hiroso O * The body is a frame body) In a hollow shape - be proud, and at the bottom there are two round running low wheels that run around the area.
... is attached to the main body of the transport vehicle.A guide rail (2J t-il1
A positioning member with a round positioning S material trout attached to position it in an appropriate state with respect to the class section.
i It has arm rods (1kX16X111@) and (1 axis) extending in four directions, up, down, left and right in the direction of the welded pipe value, and each O arm rod - O tip mK is the m chain part I for the inside 18 of the welded pipe.
I4 is being formed.

Among the above arm rods, a Hiro 1 positioning arm (Ua) (ztb
) are each pivotally connected to the housing positioning arm (2)
The tip (111) of the tip (111) that extends to one side of the positioning layer member is affected by the claw @ (111) that should engage the 5ssi tip processing part, and the front and rear end has the dovetail 11 part 4. is formed 1.Through this rear end, the arm rod (2) end 11
The positioning arms (21m) and (21b), which are pivotally connected to 2) is positioned with respect to the welding position. (2)) O positioning is performed.

Fuku upper arm rod Q*a) The cradle (2) to hold the guide rail cut on one side of the lI material for positioning is missing.・This pedestal @ line, above- A ring-shaped guide rail (hold it by hanging the inside of the upper part of the IJO).The upper surface of this pedestal (2) corresponds to the double guide rail and is formed in a nine-arc shape. The guide rail is installed in one direction on the inside of the upper surface.
There is a gable side plate part (catfish l) that comes into contact, and the outside of the moat is @
(Tip side) A protrusion 1l (uz) to be brought into contact with the lower surface of the rail body is provided at the position of the yoke, and the guide rail (2j has a structure of 0 or more that can be stably latched). The pedestal (2) has a mounting hole (22m) in the vertical direction, and is attached to the upper arm lever (191L) through the mounting hole (10) so as to be vertically slidable.

The upper arm rod is fixed at an appropriate position in the longitudinal direction (by the fixing member).

A rotary joint and a length adjustment mechanism are attached to the tip of the upper arm rod (1-).

A part of the tip side of the upper yoke rod Qsa) is rotatably provided with respect to the rod body.
The bolt member @O is moved forward and backward by the rotation of the nut member, which is made up of the upper arm rod (1 axis) 01 and the adjustment mechanism (E). ) The height of the tip of the upper arm rod can be adjusted. The bolt member (2) has the positioning arm (21a) attached and is rotatably connected to the missing end #@. The connecting part constitutes Touten-Richi.

The lower arm rod (xeb) has the pedestal UK! A locking member is provided to releasably lock the lower part of the guide rail (2). This locking member (to) is located at the part # (11
11) and a gate-shaped member (29) pivotally attached to the armpit member (get) via one end thereof, when the member (291) is horizontally turned over, the member (K91)
) Clamp the lower part of the guide rail from the inside and lock it.

In addition, a cylinder is interposed in the middle part of this lower arm rod (xsb), and the length of the lower arm rod itself can be adjusted. The rotary joint (31) and the upper arm rod (tea) K are provided, and the respective ends of the upper arm rod (tea) and the lower arm rod (1, b) are attached to the inner surface of the pipe to be welded. When fixed and in good condition, the left and right arm rods (111,) and (l) can be attached to the left and right IIc pivots.The left and right O arm rods (1k) and (1st axis) K are .

The length am mechanism (3
2) Attached to the bar (19e)
) and (tw) 04 11114tUa) with the #i above-mentioned rotary part holder at the leading edge is pivotally mounted and the transport platform IIL (2) O is inside the hollow body.

One side for positioning *#IIo, in other words, the guide rail can be held and written on the travel ■-2 (17F) (17ri and its legs (3)), which are removable from the main body.

In other words, it is a 7-lem body or a running roller O leg (84 is a sheath tube part (1 @ 1) provided with the tin body)...
When the positioning arm is inserted and removed from the main body, it can be inserted and removed from the main body. 2
Since the bolts (as) K are constructed in one piece, each S material has multiple bolt holes.

By appropriately selecting these bolt holes and connecting both members, the length of the arm itself can be adjusted. In addition, the transportation trolley body Tsumagoso each run a-9v) 0111j
(a4) By attaching the K length 11111418 (37), it is possible to use a part of the height. 19. Each tip KU of the left and right arm rods (19c) and (lllld),
Positioning arms of upper and lower arm rods (tea) and (tsb) and PljIl may be provided.

Next, I will explain the details of the misfire-0 action.
(4) For example, they are assembled into a ring shape inside the pipe to be welded, and seven all are attached. 11 in front of 7 lunges SaW of ζo1ml enlargement and meeting splitting member (4)
By opening the 9-hole tube (6) o hollow * (51) and inserting the ζO hollow 11 (51) K1ll1M rod Q1, the respective divided members (4) are connected. By doing so, it is possible to properly position the joint and the rail body (6) with respect to each other.
1L fixed guide rail (2) Hiro Saigakuji (萄...
The inner circumference of the pipe near the weld line 1ii (1'
) It is held and fixed along K and attached II. It is necessary to hold it approximately concentrically with the guide rail (2) Fi pipe inner circumferential surface), and it is necessary to hold it approximately concentrically with the guide rail (2) Fi pipe inner circumferential surface). It will be done.

And, Km is attached like this to the good guide rail (2)! ! ! A chain is established when installing a contacting device.

Figure 12 schematically shows the welding situation in which a welding torch (CM) is provided and a running roller (39) (
3G) with a traveling trolley (4) whose traveling o -5 (
19) Guide (3G) II (-1) (@1) K
K is the rail main body (the rack (2) formed in the circumferential direction), the rail main body (the rack (2) formed in the circumferential direction), the special pinion and its drive mechanism ( (not shown) is built-in, and in order to completely turn the O pinion, the traveling carriage (40) is moved in the circumferential direction of the guide rail (2), and during this movement, the contact torch (38) is moved. The inner surface of the tube** in the circumferential direction is performed.

In this way, in the 4ISS work, the book-O
The main body of the device Hiro rail is made of light metal and is extremely lightweight, and the steel pipe on the outside makes it extremely tall! It is possible to obtain high rigidity, minimize deformation due to the weight of the attached fiI class device while the device itself is under its own weight, and properly demonstrate its guide function.
Due to the high rigidity of the casing, it is possible to correct the deflection of the pipe itself once it is installed in good condition, and to obtain a high degree of welding f# from this aspect as well.

In addition, transport cart wheels for positioning as shown in #I field diagram to #11 #A are attached, and the A guide rail (27 is hung on the pedestal 4) is assembled in the same manner as described above. Place the transport trolley (to) near the Sm section.

Engage the four positioning arm claws (211) of the upper and lower arm rods (1k) and (19b) with the fm#II-preforming member, adjust the length adjustment mechanism, and operate the 1st cylinder (to). % upper and lower arm rods (tea)
And (1 plow) each machine **- is pushed 1iK under the jurisdiction of Kamizono Iwa, and the Todoroki aS- is attached to the positioning arm @, and in this state it is powerful. The front lll inward position is convenient, then the left and right arm rods (l axis)* and (l-
Move the above-mentioned vehicle one step to the left and right via ■ and (sl) to perform position 11 roofing, and at the appropriate position, turn the vase length writing mechanism (
32) by l1111〉, the meeting tip O Todoroki**■
1m in contact with the inside of the pipe, and fix these arm rods (1 axis) and (19d). In this state, fix the O guide rail (2) in the same way as in the case of 1 front distance large ^ (8) -... by... If it can be fixed so that it is constant along the inner circumference Eii (P) of the pipe, then the upper and lower arm rods (11 &) JL (1%) 0
Length adjustment mechanism and shishiylfpJ* left hand arm rod (1h)
By operating the length adjustment mechanism (U) and (1'id), ◆ shorten the arm rods, put the traveling trolley in a state where it can be powered, and move the traveling project (1?F) 0 legs ( s4y) from the trolley body, and in addition, the guide rail (2
70 Release the lock and slide the pedestal 4 downward. This is K, the guide rail (2), the transport platform wheel and Om
l is bait.

■ ＾ (3)・・・・・・) One circumference inside the pipe? ) is held along the good guide rail (2) and leaves the kt-tong transport trolley behind. Then, in the ζO state, the above-mentioned welding work is carried out on the above-mentioned Oka IIO. When the welding is completed, the transport truck (2) is moved forward again, and the fist that holds the guide rail holder IIK is empty. As shown in 11111, a wire supply device (41) is attached to the trolley body.
The shaking control device (42) is installed.In the above-mentioned device, in addition to the good guide mechanism *@ that accompanies the Fi1 guide rail itself, the guide rail (equipment) is It is a harmful bird, and its positioning is easy and
Since it is difficult to move the transport cart (2) backward during the production process, you can freely move the guide rails O and Ryo during the production process! I was able to come, and I was able to make the writing quality of Rensaku IIO, the 9th time girl, as good as I11.

According to the above-mentioned nine estrus O device, the guide rail is configured to have a high degree of rigidity despite being lightweight, and the shape can be kept to a minimum.
Therefore, it becomes possible to apply the O guide function, and the rigid image acts to correct the deflection of the tube itself.

Extremely flat 81! By obtaining a length of 11 m, it is possible to transport and attach the guide rail easily, and 4. to increase the accuracy of the positioning of the installation. By doing this (by operation), it allows Kame% writers to obtain characteristics such as self-portrait E1m on both sides of the guide rail in one work, so it is useful for the prefecture. 0i11i% / % - I wonder if it is -

[Brief explanation of the drawing]

No. iml is an explanatory diagram showing the OS idle rail device, or No. 1-Hiro shows an embodiment of the first invention of the present application, 111111 is the actual thickness 11.118 is the middle layer single layer line in Fig. A cross section along the circumferential direction of the guide rail of #141 El Hiroyuki 1st layer medium dividing member phase O connection section 1ii
11. jlllllUj12fgv-vmKeu1
N1111. In the flamldmx diagram, the cross section 1L along W-11MK is the section ■ along No. 21 Middle ■-[IK. Figure 8 to irises 11wA show an example of the 8th estrus of this JIK. O part enlarged interrupted diagram li, fill I shows the situation with Qinzuki@
The figure shows S* running on the 33131m line guide rail.
FIG. 2 is an explanatory diagram showing a scissors mounting and a welding situation using the scissors. i-th
sg is Ii constant odor O In the diagram showing the other embodiments, (2) is the guide rail, (3) is ll
Tofu, (4) F1 split member, (5) is a pipe, (6) is the rail body, the ring is a 7 lunge set, the seagull is a tsumugi stick, the goose is a transport trolley, ■ is a positioning II 111s (19m)
(llb) (19c) (19d) l'i armrest, -
is ** part, (Eria , (U) is a long-lived control mechanism. (14 indicates the leg, (If) indicates the hollow part, (- meaning) #i Mitsutsuku (!11) indicates the claw part. Patent applicant Nippon Steel Pipe Works Co., Ltd. Kanesha Inventor Han 1) Tomi Takuji 1 ) Somi Buma
Increase 1) Medium thick part 6 Figure 10 Figure 11

Claims (2)

[Claims] (1) Place the ring-shaped O guide rail in the direction of the horse.1
4) At both ends of the dividing member, there is a front surface. is connected to the end of the rail body, and both ends of the pipe are connected so that the hollow part thereof is opened to the front surface. Place the rank member in the Togane and insert the connecting rod into the hollow pipe 11 of the Ryoshinkai JtIIvcWIA so that the l-shaped sail is depressed, and the ring-shaped O guide rail. A guide rail device for a large-diameter pipe automatic S*, which is provided with fixing rails *m*^ at multiple locations in the circumferential direction along the inner circumference of the pipe. (2) The cylinder-shaped guide rail is composed of multiple O-divided members in the circumferential direction. The 4R dividing member is composed of an arc-shaped steel-like pipe and a nine-rail main body that is stacked so as to fit inside the arc, and is divided into 4 parts.
At both ends of Il#. A 7-rank member is installed in which the front Ii is connected to the rail main body, and both ends of the pipe are connected so that the hollow part is opened to the front surface, and the dividing member is attached to the flanges provided at each end. Connect the connecting rod in a ring shape by inserting and removably inserting the connecting rod into the hollow part of the pipe O opened at the square butt.
K.L. At the point where the ring-shaped O guide rail has multiple scraps in the scrap direction, it is possible to connect and disconnect the inner circumference of the pipe to be connected (mK) *! The guide rail is provided with a constant sliding distance of 1 lyil along the inner circumference of the pipe, and the guide rail is detachably held on a crawling vehicle, and the guide rail is attached to the conveying vehicle in a direction K>##. t4 A positioning layer I11 of a guide rail is provided which extends in four directions (up, down, left and right) and is formed at a ms part iIX for each tip KIIIIII tube inner diameter and has four arm rods for positioning. For positioning **tom rod 0, of which 1 is at the end of the upper arm rod and the lower arm rod.One side of the positioning member is attached.
1li misty point work 111K moorings with sliding self-claws, and the sli end is formed with a 9 positioning arm pivoted through the 70 rear end, 1 positioning m material on the upper arm rod. The ring-shaped guide rail should be fixed with one side of the scissor holder. Equipped with an OX sakomabuki mechanism, and the lower arm rod has #1
14 A lock S* capable of locking the lower part of the guide rail is provided, and a cylinder for adjusting the length of the lower arm rod is inserted between the lower arm rods 11 and 14. , the lower 1 mtc (of the cylinder) is equipped with a reversing joint, and is equipped with a skin length adjustment mechanism that expands and contracts the left and right levers. Part 7
J0111KIH7 A guide rail device for a large-diameter pipe self-drawn automatic S chain, which is constructed by constructing a waterfall guide rail and its legs that can be attached to and detached from a trolley body.