JPH03106597A - Device for press-contacting steel plate joint backing material - Google Patents
Device for press-contacting steel plate joint backing materialInfo
- Publication number
- JPH03106597A JPH03106597A JP24360689A JP24360689A JPH03106597A JP H03106597 A JPH03106597 A JP H03106597A JP 24360689 A JP24360689 A JP 24360689A JP 24360689 A JP24360689 A JP 24360689A JP H03106597 A JPH03106597 A JP H03106597A
- Authority
- JP
- Japan
- Prior art keywords
- potentiometer
- sensor
- backing material
- body frame
- pair
- 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
- 239000000463 material Substances 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 title claims description 16
- 239000010959 steel Substances 0.000 title claims description 16
- 238000002788 crimping Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 description 6
- 238000007667 floating Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、船体外板の突合わせ板継片面熔接作業に好適
な鋼板板継裏当圧着装置に関する．
〔従来の技術〕
従来、船舶の建造における船体外板等鋼板の突合わせ板
継片面熔接を行うにあたっては、継手部の裏側に溶接線
全長にわたって裏当材を当て、中央に押付ねじを備え左
右にマグネットを有するクランプ治具を溶接線に沿い適
宜間隔を存して多数配置し、裏当材を鋼板継手部裏側に
圧着している．
しかしながら、このような裏当材圧着方法では、多数の
クランブ治具を上向き作業で着脱することは困難である
とともに、クランプ治具の着脱作業及び収納作業等に多
くの作業時間を要し、作業効率が甚だ悪い。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a steel plate joint backing crimping device suitable for welding one side of butt joints of ship hull outer panels. [Conventional technology] Conventionally, when performing one-sided welding of butt plate joints of steel plates such as hull outer plates in ship construction, a backing material was applied to the back side of the joint part over the entire length of the weld line, a pressing screw was provided in the center, and the left and right sides were welded. A large number of clamp jigs with magnets are placed at appropriate intervals along the weld line, and the backing material is crimped to the back side of the steel plate joint. However, with this backing material crimping method, it is difficult to attach and detach a large number of clamp jigs while facing upward, and it takes a lot of work time to attach and detach the clamp jigs and store them. The efficiency is extremely poor.
本発明は、このような事情に鑑みて提案されたもので、
多数のクランプ治具及びその着脱作業が不要となって裏
当材圧着作業効率が向上し、かつ圧着力が均一化すると
ともに圧着力の強さが容易に変更でき圧着性能が向上す
る鋼板板袖裏当圧着装置を提供することを目的とする。The present invention was proposed in view of these circumstances, and
A steel plate sleeve that eliminates the need for multiple clamp jigs and their attachment/detachment work, improves the efficiency of backing material crimping work, equalizes the crimping force, and improves crimping performance by making it possible to easily change the strength of the crimping force. An object of the present invention is to provide a backing crimping device.
そのために本発明は、上縁の前後にそれぞれ左右１対の
マグネット車輪を軸支した本体フレームと、上記本体フ
レームの中央部にシリンダーにより裏当材に向け昇降可
能に支持され複数個のローラーが並設された圧着ローラ
ー板と、上記本体フレームから上方に突出し上記裏当材
を巾方向に挾む１対のセンサー棒及び同センサー棒の左
右移動を検出するセンサーポテンショメーターと、上記
前部のマグネソト車輪の方向を変える操舵軸に連結され
るとともに上記センサーボテンショメータ一に電気的に
接続された舵角ポテンショメーターと、上記マグネット
車輪の１対を駆動するサーボモーターと、上記舵角ポテ
ンショメーターの出力に応じ前部のマグネソト車輪の操
舵をするギヤドモーターとを具えたことを特徴とする。To this end, the present invention includes a main body frame which pivotally supports a pair of left and right magnetic wheels at the front and rear of the upper edge, and a plurality of rollers supported in the center of the main body frame by a cylinder so as to be movable up and down toward the backing material. A pressure roller plate arranged in parallel, a pair of sensor rods protruding upward from the main body frame and sandwiching the backing material in the width direction, a sensor potentiometer for detecting the left and right movement of the sensor rod, and a magneto-slot at the front part. a steering angle potentiometer connected to a steering shaft that changes the direction of the wheels and electrically connected to the sensor potentiometer; a servo motor that drives the pair of magnetic wheels; and an output of the steering angle potentiometer. It is characterized by being equipped with a geared motor that automatically steers the front magneto wheels.
本発明装置においては、マグネット車輪で鋼材裏面に吸
着走行する本体フレームの中央部に昇降可能に支持され
ている圧着ローラー板が、シリンダーにより押上げられ
て裏当材に押付けられそれを圧着する。またマグネノト
車輪はサーボモーターにより走行速度にむらがなく定速
度で走行して、走行に伴い裏当材中を１対のセンサー棒
で検出し、センサーポテンショメーターと舵角ポテンシ
ョメーターの連動により、常に裏当材を倣い走行する。In the device of the present invention, a pressure roller plate, which is supported so as to be able to rise and fall in the center of the main body frame which adsorbs and runs on the back surface of the steel material using a magnetic wheel, is pushed up by a cylinder and pressed against the backing material, thereby crimping it. In addition, the Magnenoto wheel is driven by a servo motor to run at a constant speed without uneven running speed, and as it runs, a pair of sensor rods detect the inside of the backing material, and a sensor potentiometer and steering angle potentiometer are linked to ensure that the backing is always in contact. Run by following the material.
本発明鋼板板継裏当圧着装置の一実施例を図面について
説明すると、第１図はその上面図、第２図は第１図のｎ
−ｎに沿った側面図、第３図は同上におけるセンサー棒
及びセンサーポテンショメーターの斜視図、第４図は同
上における舵角ギヤドモーター及び舵角ポテンショメー
ターの斜視図、第５図はこの装置の走行要領の説明図で
ある。An embodiment of the steel plate splicing and backing crimping apparatus of the present invention will be explained with reference to the drawings. Fig. 1 is a top view thereof, and Fig. 2 is a
-n, FIG. 3 is a perspective view of the sensor rod and sensor potentiometer in the same as above, FIG. 4 is a perspective view of the steering angle geared motor and steering angle potentiometer in the same as above, and FIG. It is an explanatory diagram.
第１図〜第４図において、１は突合わせ板継片面溶接さ
れる鋼板の継手部の裏側に溶接線全長にわたって当てら
れる裏当材で、継手部開先に応じた適宜中を有し鋼板裏
面にテープ等で軽く張付けられている。In Figures 1 to 4, reference numeral 1 denotes a backing material that is applied over the entire length of the weld line to the back side of the joint of the steel plate to be welded on one side of the butt plate joint, and has an appropriate center according to the groove of the joint. It is lightly attached to the back with tape.
この裏当材ｌを下側から圧着するのが本発明圧着装置で
、上部開口の長方箱形の本体フレーム２の上縁には、前
部に左右１対の遊勤マグネット車輪３，後部に左右ｌ対
の駆動マグネ７｝車輪４がそれぞれ軸支され、中央部に
は圧着ローラー板５が配設されている，しかしてこの圧
着ローラー板５は、長方箱形のフレーム６とその上縁に
並設された複数個の小径ローラー７から構成されており
、フレーム６の下部は本体フレーム２に固定された平行
リンク８に支持され、この平行リンク８の上端は本体フ
レーム２の底坂上に設置されているエアシリンダー９に
連結されている．上記駆動マグネット車輪４の車輪軸４
″は、駆動ベルＩ−１０．ベベルギャ対１ｌ及び減速機
ｌ２を介して走行用のサーボモーターｌ３に連結されて
いる。また上記遊動マグネット車輪３の車輪軸３″は、
本体フレーム２に固定の軸受ｌ４に支承された竪方向の
操舵軸ｌ５に連結されており、この操舵軸１５は操舵減
速機１６，ギャ対ｌ７及び減速機１８を介して操舵用の
ギヤドモーター１９に連結されている．
更に遊勤マグネット車輪３の直ぐ後方位置において本体
フレーム２に固定された水平のスライドシャフト２０に
、センサー本体２ｌが横スライド自在に支持されるとと
もに、こノセンサー本体２ｌの上端からｌ対のセンサー
棒２２が裏当材ｌを巾方向に挾むように突出しており、
またセンサー本体２ｌにはセンサーポテンショメーター
２３が付設され、その下部連結のビニオン２４が本体フ
レーム２に固定のラック２５と噛合している。The crimping device of the present invention crimps this backing material l from below.The upper edge of the main frame 2, which has a rectangular box shape with an upper opening, has a pair of floating magnet wheels 3 on the left and right sides at the front, and a pair of freewheeling magnet wheels 3 at the rear. A pair of left and right drive magnets 7} wheels 4 are respectively supported, and a pressure roller plate 5 is arranged in the center.The pressure roller plate 5 consists of a rectangular box-shaped frame 6 and its It is composed of a plurality of small diameter rollers 7 arranged in parallel on the upper edge, and the lower part of the frame 6 is supported by a parallel link 8 fixed to the main body frame 2, and the upper end of this parallel link 8 is connected to the bottom of the main body frame 2. It is connected to air cylinder 9 installed on the slope. Wheel shaft 4 of the drive magnet wheel 4
'' is connected to a driving servo motor 13 via a drive bell I-10, a pair of bevel gears 1l and a speed reducer 12.The wheel shaft 3'' of the floating magnet wheel 3 is
It is connected to a vertical steering shaft 15 supported by a bearing 14 fixed to the main body frame 2, and this steering shaft 15 is connected to a geared motor 19 for steering via a steering reduction gear 16, a gear pair 17, and a reduction gear 18. It is connected. Furthermore, the sensor body 2l is supported by a horizontal slide shaft 20 fixed to the body frame 2 at a position immediately behind the idle magnet wheel 3 so as to be able to slide horizontally, and l pairs of sensors are connected from the upper end of the sensor body 2l. A rod 22 protrudes so as to sandwich the backing material l in the width direction,
Further, a sensor potentiometer 23 is attached to the sensor main body 2l, and a pinion 24 connected to the lower part of the sensor potentiometer 23 is engaged with a rack 25 fixed to the main body frame 2.
一方上記マグネット車輪３に連結の操舵軸１５の中間部
に取付けられたギヤ対２６に舵角ポテンショメーター２
７が連結され、この舵角ポテンショメーター２７と上記
センサーポテンショメーター２３とが電気的に接続され
、舵角ポテンショメーター２７から偏差信号を上記ギヤ
ドモーター１９へ出すようになっており、かつ両ポテン
ショメーター２３．２７はセンサー本体２１が本体フレ
ーム２の横方向中央で零ボルトにセットしておく．なお
本体フレーム２の前後の上縁外側には、脱着金具２８が
枢着されており、下端に脱着レバー２９を挿入して外方
へ回動することにより上端が鋼板を押上げるようになっ
ている．また本体フレーム２の後下部外側には動力及び
制御用ケーブル３０が接続されている．このような装置
において、鋼板の継手部裏側に配置の図示せざる昇降式
作業台に本体フレーム２を載せ、１対のセンサー棒２２
が裏当材１を巾方向に挾むように本体フレーム２を上昇
させるとともに、エアシリンダー９を作動させ、平行リ
ンク８を介して圧着ローラー板５を押上げて裏当材ｌを
圧着する。On the other hand, a steering angle potentiometer 2 is attached to a gear pair 26 attached to the middle part of the steering shaft 15 connected to the magnetic wheel 3.
7 are connected, and the steering angle potentiometer 27 and the sensor potentiometer 23 are electrically connected so that a deviation signal is output from the steering angle potentiometer 27 to the geared motor 19, and both potentiometers 23 and 27 are connected to the sensor potentiometer 23. Set the main body 21 to the zero bolt at the horizontal center of the main body frame 2. Note that a detachable fitting 28 is pivotally attached to the outside of the upper front and rear edges of the main body frame 2, and when a detachable lever 29 is inserted into the lower end and rotated outward, the upper end pushes up the steel plate. There is. Further, a power and control cable 30 is connected to the outside of the rear lower part of the main body frame 2. In such a device, the main body frame 2 is placed on an elevating workbench (not shown) located on the back side of the joint of the steel plate, and a pair of sensor rods 22 are mounted on the main body frame 2.
The body frame 2 is raised so as to sandwich the backing material 1 in the width direction, and the air cylinder 9 is operated to push up the pressure roller plate 5 via the parallel link 8 to press the backing material 1.
この状態で、図示せざる溶接ヘッドの走行と同期するよ
うにサーボモ−６ター１３を作動すると、駆動マグネッ
ト車輪４が駆動して本体フレーム２が熔接線に沿い走行
し、圧着ローラー板５は小径ローラー７が回転しなから
裏当材ｌの溶接進行位置を圧着する。本体フレーム２の
走行に伴いセンサー棒２２すなわちセンサー本体２１が
、第５ｒ！Ａ（Ａ）の中正位置から、（Ｂ）， （Ｃ
）の左右どちらかに±ｅ移動すると、センサーポテンシ
ョメーター２３の位相が変化して舵角ポテンショメータ
ー２７との間に位相ずれが生じ、それにより舵角ポテン
ショメーター２７に変位電圧が生じてそれがギヤドモー
ター１９に送られ、同ギヤドモーター１９は舵角ポテン
ショメーター２７とセンサーポテンショメーター２３と
の位相が合うようすなわち変位電圧を零にするように、
ギヤ対１７，Ｉ舵減速機ｌ６を介して操舵軸１５を±α
゜回勤させ、遊動マグネソト車輪３の方向を変える．
溶接線全長にわたり本体フレーム２が走行し終わったと
きは、前後の脱着金具２８を脱着レバー２９により回勤
させ、脱着金具２８の上端が鋼板を押上げる反作用によ
り遊動マグネット車輪３及び駆動マグネット車輪４の鋼
板に対する吸着が解除して脱着する。In this state, when the servo motor 13 is operated in synchronization with the running of the welding head (not shown), the drive magnet wheel 4 is driven and the main body frame 2 runs along the welding line, and the crimping roller plate 5 has a small diameter. While the roller 7 rotates, it presses the backing material 1 at the welding progress position. As the body frame 2 moves, the sensor rod 22, that is, the sensor body 21 moves to the 5th r! From the central position of A (A), (B), (C
), the phase of the sensor potentiometer 23 changes and a phase shift occurs between the sensor potentiometer 23 and the steering angle potentiometer 27. As a result, a displacement voltage is generated in the steering angle potentiometer 27, which is applied to the geared motor 19. The geared motor 19 is operated so that the steering angle potentiometer 27 and the sensor potentiometer 23 are in phase with each other, that is, the displacement voltage is made zero.
The steering shaft 15 is rotated ±α via the gear pair 17 and the I rudder reducer l6.
゜Turn around and change the direction of the floating magnetic wheel 3. When the main body frame 2 has finished traveling along the entire length of the welding line, the front and rear attachment/detachment fittings 28 are rotated by the attachment/detachment lever 29, and the upper end of the attachment/detachment fittings 28 pushes up the steel plate, causing the floating magnet wheel 3 and the drive magnet wheel 4 to move. The adhesion to the steel plate is released and it is desorbed.
かくしてこの装置によれば、本体フレーム２の中央部に
設置した圧着ローラー板５を裏当材ｌに押当て、駆動マ
グネット車輪４の駆動で走行することにより、効率よく
適確に裏当材１を鋼板継手裏面に圧着することができ、
エアシリンダー９の圧力調整により適宜の押圧力をしか
も均一に作用させることができる。Thus, according to this device, the pressure roller plate 5 installed in the center of the main body frame 2 is pressed against the backing material 1, and is driven by the drive magnet wheels 4, thereby efficiently and accurately pressing the backing material 1. can be crimped to the back side of the steel plate joint,
By adjusting the pressure of the air cylinder 9, an appropriate pressing force can be applied uniformly.
また本体フレーム２の走行はサーボモーター１３により
むらなく定速度で行うことができ、更にセンサー棒２２
の左右移動に応じたセンサーポテンショメーター２３と
舵角ポテンショメーター２７の連動により、常に正しく
裏当材ｌを倣うことができる。Furthermore, the main body frame 2 can be moved evenly at a constant speed by the servo motor 13, and furthermore, the sensor rod 22
By interlocking the sensor potentiometer 23 and the steering angle potentiometer 27 according to the left and right movement of the backing material 1, it is possible to always accurately trace the backing material 1.
要するに本発明によれば、上縁の前後にそれぞれ左右１
対のマグネット車輪を軸支した本体フレームと、上記本
体フレームの中央部にシリンダーにより裏当材に向け昇
降可能に支持され複数個のローラーが並設された圧着ロ
ーラー板と、上記本体フレームから上方に突出し上記裏
当材を巾方向に挾む１対のセンサー棒及び同センサー棒
の左右移動を検出するセンサーポテンショメーターと、
上記前部のマグネット車輪の方向を変える操舵軸に連結
されるとともに上記センサーポテンショメーターに電気
的に接続された舵角ポテンショメーターと、上記マグネ
ット車輪のｌ対を駆４．
動ずるサーボモーターと、上記舵角ポテンショメーター
の出力に応じ前部のマグネット車輪の操舵をするギヤド
モーターとを具えたことにより、多数のクランプ治具及
びそのＭｓ作業が不要となって裏当材圧着作業効率が向
上し、かつ圧着力が均一化するとともに圧着力の強さが
容易に変更でき圧着性能が向上する鋼板板！１裏当圧着
装置を得るから、本発明は産業上極めて．有益なもので
ある．In short, according to the present invention, one
A main body frame that pivotally supports a pair of magnetic wheels, a pressure roller plate that is supported in the center of the main body frame by a cylinder so as to be able to rise and fall toward the backing material, and has a plurality of rollers arranged in parallel, and a pair of sensor rods protruding from and sandwiching the backing material in the width direction, and a sensor potentiometer for detecting left and right movement of the sensor rods;
4. A steering angle potentiometer connected to a steering shaft that changes the direction of the front magnetic wheel and electrically connected to the sensor potentiometer, and a pair of the magnetic wheels. Equipped with a moving servo motor and a geared motor that steers the front magnetic wheel according to the output of the steering angle potentiometer, there is no need for numerous clamping jigs and their Ms work, and the backing material crimping work is simplified. A steel plate that improves efficiency, equalizes the crimp force, and allows you to easily change the strength of the crimp force, improving crimp performance! 1, the present invention is industrially extremely useful. It is useful.
第１図は本発明鋼板板継裏当圧着装置の一実施例の上面
図、第２図は第１図のト」に沿った側面図、第３図は同
上におけるセンサー棒及びセンサーボチンシッメーター
の斜視図、第４図は同上における舵角ギヤドモーター及
び舵角ポテンショメーターの斜視図、第５図はこの装置
の走行要領の説明図である．ｌ・・・裏当材、２・・・
本体フレーム、３・・・遊動マグネット車輪、３′・・
・車輪軸、４・・・駆動マグネット車輪、４′・・・車
輪軸、５・・・圧着ローラー板、６・・・フレーム、７
・・・小径ローラー、８・・・平行リンク、９・・・エ
アシリンダー、ｌＯ・・・駆動ベルト、１１・・・ベベ
ルギャ対、１２・・・減速機、１３・・・サーボモータ
ー、１４・・・軸受、ｌ５・・・操舵軸、１６・・・操
舵減速機、１７・・・ギヤ対、ｌ８・・・減速機、１９
・・・ギヤドモーター２０・・・スライドシャフト、２
１・・・センサー本体、２２・・・センサー棒、２３・
・・センサーポテンショメーター、２４・・・ピニオン
、２５・・・ランク、２６・・・ギヤ対、２７・・・舵
角ポテンショメーター、２８・・・脱着金具、２９・・
・脱着レバー、３０・・・動力及び制御用ケーブル。Fig. 1 is a top view of an embodiment of the steel plate joining and backing crimping apparatus of the present invention, Fig. 2 is a side view taken along the line T in Fig. 1, and Fig. 3 is a sensor rod and sensor button seat in the same. FIG. 4 is a perspective view of the steering angle geared motor and steering angle potentiometer in the same as above, and FIG. 5 is an explanatory diagram of the running procedure of this device. l... Backing material, 2...
Main body frame, 3... Idle magnet wheel, 3'...
・Wheel axle, 4... Drive magnet wheel, 4'... Wheel axle, 5... Pressure roller plate, 6... Frame, 7
...Small diameter roller, 8...Parallel link, 9...Air cylinder, lO...Drive belt, 11...Bevel gear pair, 12...Reducer, 13...Servo motor, 14... ...bearing, l5... steering shaft, 16... steering reduction gear, 17... gear pair, l8... reduction gear, 19
... Geared motor 20 ... Slide shaft, 2
1...Sensor body, 22...Sensor rod, 23.
... Sensor potentiometer, 24 ... Pinion, 25 ... Rank, 26 ... Gear pair, 27 ... Rudder angle potentiometer, 28 ... Detachable fitting, 29 ...
- Detachment lever, 30...power and control cable.
Claims (1)
支した本体フレームと、上記本体フレームの中央部にシ
リンダーにより裏当材に向け昇降可能に支持され複数個
のローラーが並設された圧着ローラー板と、上記本体フ
レームから上方に突出し上記裏当材を巾方向に挾む１対
のセンサー棒及び同センサー棒の左右移動を検出するセ
ンサーポテンショメーターと、上記前部のマグネット車
輪の方向を変える操舵軸に連結されるとともに上記セン
サーポテンショメーターに電気的に接続された舵角ポテ
ンショメーターと、上記マグネット車輪の１対を駆動す
るサーボモーターと、上記舵角ポテンショメーターの出
力に応じ前部のマグネット車輪の操舵をするギヤドモー
ターとを具えたことを特徴とする鋼板板継裏当圧着装置
。A main frame with a pair of left and right magnetic wheels pivotally supported at the front and rear of the upper edge, and a crimping roller in the center of the main frame that is supported by a cylinder so as to be movable up and down toward the backing material, and a plurality of rollers are arranged in parallel. a plate, a pair of sensor rods that protrude upward from the main body frame and sandwich the backing material in the width direction, a sensor potentiometer that detects left and right movement of the sensor rod, and a steering wheel that changes the direction of the front magnetic wheel. a steering angle potentiometer coupled to the shaft and electrically connected to the sensor potentiometer; a servo motor for driving the pair of magnetic wheels; and a steering angle potentiometer for driving the front magnetic wheels in accordance with the output of the steering angle potentiometer. A steel plate splicing and backing crimping device characterized by comprising a geared motor for crimping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1243606A JP2554173B2 (en) | 1989-09-20 | 1989-09-20 | Steel plate plate backing press bonding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1243606A JP2554173B2 (en) | 1989-09-20 | 1989-09-20 | Steel plate plate backing press bonding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03106597A true JPH03106597A (en) | 1991-05-07 |
| JP2554173B2 JP2554173B2 (en) | 1996-11-13 |
Family
ID=17106316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1243606A Expired - Lifetime JP2554173B2 (en) | 1989-09-20 | 1989-09-20 | Steel plate plate backing press bonding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2554173B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006167795A (en) * | 2004-12-20 | 2006-06-29 | Nippon Steel & Sumikin Welding Co Ltd | Backing member supporting apparatus |
| CN106041256A (en) * | 2016-07-21 | 2016-10-26 | 武汉天高熔接股份有限公司 | Mounting trolley of welding backings for steel structure U-shaped ribbed plate |
-
1989
- 1989-09-20 JP JP1243606A patent/JP2554173B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006167795A (en) * | 2004-12-20 | 2006-06-29 | Nippon Steel & Sumikin Welding Co Ltd | Backing member supporting apparatus |
| CN106041256A (en) * | 2016-07-21 | 2016-10-26 | 武汉天高熔接股份有限公司 | Mounting trolley of welding backings for steel structure U-shaped ribbed plate |
| CN106041256B (en) * | 2016-07-21 | 2018-03-27 | 武汉天高熔接股份有限公司 | Welding backing dress patch dolly for steel construction U-shaped floor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2554173B2 (en) | 1996-11-13 |
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