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61. 发明专利

JPS63238975A SUBMERGED WELDING METHOD AND TORCH THEREFOR 失效
公开(公告)号：JPS63238975A
公开(公告)日：1988-10-05
申请号：JP7115687
申请日：1987-03-25
申请人： MITSUBISHI HEAVY IND LTD
发明人： WADA KOICHI , MANABE YUKIO , INOUE SHIGEO
IPC分类号： B23K9/00 , B23K9/26 , B23K9/29
摘要： PURPOSE:To make submerged welding efficient and to improve the quality as well by welding a weld zone by sealing it with the viscous fluid extruded between a cylindrical welding torch and the body to be welded and the static pressure of the sealing gas fed from a torch. CONSTITUTION:A viscous fluid 9 is forcibly fed from a feeding port 8 to seal by filling the space between a welding torch 1 and stocks 12, 12' to be welded. A shielding gas 7 is injected from the nozzle 5 for welding, the water inside the welding torch is eliminated and the movement of the fluid 9 is controlled as well to execute welding. With this composition the workability is improved and the quality as well.

62. 发明专利

JPS6321853B2 失效
公开(公告)号：JPS6321853B2
公开(公告)日：1988-05-09
申请号：JP13282880
申请日：1980-09-26
申请人： MITSUBISHI HEAVY IND LTD
发明人： WADA KOICHI , MANABE YUKIO , NOBUSHIGE TADASHI , KONO SHINJIRO
IPC分类号： E02D33/00 , G01N1/28 , G01N21/84 , G01N21/88

63. 发明专利

JPS6360078A V-SHAPED GROOVE MULTI-LAYER SYMMETRICAL AUTOMATIC WELDING EQUIPMENT 失效
公开(公告)号：JPS6360078A
公开(公告)日：1988-03-16
申请号：JP24832785
申请日：1985-11-06
申请人： MITSUBISHI HEAVY IND LTD
发明人： MANABE YUKIO , INOUE SHIGEO
IPC分类号： B23K9/127 , B23K9/02 , B23K9/12
摘要： PURPOSE:To avoid a detection error and to detect an accurate groove shape with high accuracy by using a distance sensor to adjust a direction freely as a system to detect the groove shape. CONSTITUTION:The distance sensor 3 is oscillated in the direction to cross almost at right angles with respect to a weld line and information on the groove is detected and this detected information is processed with a first arithmetic processing part 18 and a characteristic point in the groove and a cross-sectional area in the groove are obtained. The groove information obtained with the processing part 18 is outputted by a command issued from a second arithmetic processing part 19 at every prescribed interval and the processing part 19 performs the weld line profile control and the welding condition control of the V-shaped groove multi-layer symmetrical welding by the predetermined order and an operation expression based on said groove information. At this time, a welding line profile control signal is outputted to an X-axis motor 16 and a Y-axis motor 17 to control the position of a welding torch 7. Furthermore, a control signal of a welding current and the welding voltage of control signals of a welding condition is outputted to the titled welding equipment 20 and a control signal of the welding speed is outputted to a welding speed regulator 21.

64. 发明专利

JPS62203670A WORK CHAMBER FOR UNDERWATER STEEL PIPE 失效
公开(公告)号：JPS62203670A
公开(公告)日：1987-09-08
申请号：JP4368786
申请日：1986-02-28
申请人： MITSUBISHI HEAVY IND LTD
发明人： WADA KOICHI , MANABE YUKIO , INOUE SHIGEO
IPC分类号： B63C11/44 , B23K9/00
摘要： PURPOSE:To save a transportation cost, assembly cost and production cost by forming the double cylinder expanding body to form the fluid chamber of annular cross section by expanding the chamber for underwater welding by the introduction of a fluid body and by providing a pressure resistant air-tight fastner at the shell part fastening part. CONSTITUTION:The chamber main body 1 is composed of the flexible double cylindrical expanding body to form the cylindrical fluid body chamber of annular cross section expanded by the introduction of the fluid body, and pressure resistant air-tight fastners 10, 11, 12 are provided at the shell part fastening part 8 of the inner side, outer side and shoulder part. The main body 1 transferred to the site by exhausting the gas of a high pressure air-tight chamber 13 is fastened by the fastners 10, 11, 12 after fitting the upper part fitting part 4 and bottom part locking structure 14' at the prescribed position of the objective steel pipe 028. The space between the main body 1 and objective steel pipe 028 is drained by feeding a gas to the work space therebetween the work chamber is finally formed by feeding a high pressure gas to the air tight chamber 13. In this way an economical work chamber for underwater steel pipe can be realized.

65. 发明专利

JPS61140376A Automatic welding method of circumferential joint 失效
标题翻译：自动焊接方法
公开(公告)号：JPS61140376A
公开(公告)日：1986-06-27
申请号：JP26387984
申请日：1984-12-14
申请人： Mitsubishi Heavy Ind Ltd , Ryomei Eng Corp Ltd
发明人： WADA KOICHI , MANABE YUKIO , INOUE SHIGEO , KUWABARA HIDETOSHI , OBATA KOJI
IPC分类号： B23K9/127 , B23K9/02 , B23K9/095 , B23K9/12
CPC分类号： B23K9/0216
摘要： PURPOSE:To stabilize a welding quality and to save labors by detecting the groove shape with rocking an optical distance sensor at the front of a weld part and by deciding the delay timing and symmetry timing to the succeeding layer conditions based on the detected shape thereof. CONSTITUTION:The optical distance sensor 8 to rock in about right angles direction with a welding line is arranged at the front part of the fixed distance from the weld zone and the processing unit 11 of the distance signal and arithmetic unit 12 are connected. The groove shape is detected with high accuracy with rocking the sensor 8, with receiving the continued distance signal at a minute pitch and with the combination of this signal and the sensor position signal. The target position of the torch 7 and welding conditions are set and temporarily memorized based on this sectional shape. A proper delay timing is then decided with counting the pulse signal transmitted from and encoder. Further by providing the mark of weld starting position a symmetry timing is decided. With this method the labor saving in welding and the stabilization of quality are enabled.
摘要翻译：目的：通过在焊接部分的前部摆动光学距离传感器检测槽形状，并根据检测到的形状，确定后续层条件的延迟时间和对称时间，来稳定焊接质量并节省劳动力。构成：在距离焊接区域的固定距离的前部配置有用焊接线在大致直角方向上摇动的光学距离传感器8，距离信号和运算单元12的处理单元11连接。通过摇动传感器8，以高精度检测凹槽形状，同时以这种信号和传感器位置信号的组合接收连续距离信号。焊枪7的目标位置和焊接条件被设定并基于该截面形状临时存储。然后通过计数从编码器发送的脉冲信号来确定适当的延迟定时。此外，通过提供焊接起始位置的标记，确定对称定时。采用这种方法可以实现焊接省力，质量稳定。

66. 发明专利

JPS6117366A Method and device for automatic welding 失效
标题翻译：自动焊接的方法和装置
公开(公告)号：JPS6117366A
公开(公告)日：1986-01-25
申请号：JP13783384
申请日：1984-07-03
申请人： Mitsubishi Heavy Ind Ltd , Ryomei Eng Corp Ltd
发明人： WADA KOUICHI , MANABE YUKIO , INOUE SHIGEO , KIKOU HIDEKI
IPC分类号： B23K9/12 , B23K9/095
CPC分类号： B23K9/0956
摘要： PURPOSE:To form a welded joint part of high quality automatically in automatic welding of a base metal, by detecting the shape of molten pool formed in the groove by a sensor, comparing and calculating this with a preset value and controlling the welding current and welding speed so as to conform to the set value. CONSTITUTION:When welding base metals 1a and 1b by arc of a welding torch 2, the area S, length l and width d of a molten pool 4 formed at the grooge are detected by a visual sensor 21 provided in an obliquely upper part. The detection data 25 are sent to a picture processing system 24, and after subjecting to time equalizing processing and binary-coding picture processing, a binary coded picture 29 is inputted to a picture characteristic measuring device 30 to read the area, length, width etc. The read characteristic value are inputted to an arithmetic unit 31 and compared with preset these values and calculated. The output signals are inputted to a welding power source 37 or a truck driving motor 39 of the welding torch. Thus, welding current and welding speed are controlled properly and an excellent welded joint part is formed.
摘要翻译：目的：通过传感器检测槽内形成的熔池形状，自动焊接贱金属，自动形成高质量焊接接头部分，并用预设值进行比较计算，并控制焊接电流和焊接速度以符合设定值。构成：通过焊炬2的弧焊接母材金属1a和1b时，通过设置在倾斜上部的视觉传感器21来检测在槽形成的熔池4的面积S，长度l和宽度d。检测数据25被发送到图像处理系统24，在进行时间均衡处理和二进制编码图像处理之后，将二进制编码图像29输入到图像特征测量装置30，以读取区域，长度，宽度等读取特性值被输入到运算单元31，并与预设的这些值进行比较并进行计算。输出信号被输入到焊枪的焊接电源37或卡车驱动电动机39。因此，适当地控制焊接电流和焊接速度，形成优良的焊接接头部。

67. 发明专利

JPS6036343B2 失效
公开(公告)号：JPS6036343B2
公开(公告)日：1985-08-20
申请号：JP4895579
申请日：1979-04-23
申请人： MITSUBISHI HEAVY IND LTD
发明人： OOMAE TAKASHI , WADA KOICHI , OKA TAMOTSU , MANABE YUKIO , NOBUSHIGE TADASHI , NAGATA YOSHA
IPC分类号： B23K9/00 , B05C11/00 , B23K9/29 , B23K37/00 , B63C11/44

68. 发明专利

JPS59209485A Discriminating method of globule migration 失效
标题翻译：全球移民的辨识方法
公开(公告)号：JPS59209485A
公开(公告)日：1984-11-28
申请号：JP8384783
申请日：1983-05-13
申请人： Mitsubishi Heavy Ind Ltd , Ryomei Eng Corp Ltd
发明人： HIROMOTO NOBUMI , WADA KOUICHI , MANABE YUKIO , KIKOU HIDEKI
IPC分类号： B23K9/095 , B23K9/10 , G01N29/00
CPC分类号： B23K9/10
摘要： PURPOSE:To discriminate easily the type of a globule migration in real time by taking out the acoustic signal generated from an arc by means of a detector provided near a torch during welding as an electrical signal and displaying the frequency characteristic of said signal. CONSTITUTION:The sound generated from an arc during welding of materials 2 to be welded with a welding torch 1 is detected with a microphone 3 and is fed as an electrical signal to an amplifier 4 by which the signal is amplified then the amplified signal is fed to band-pass filters 51, 52-5n. Only the signal components of the pass frequency bands intrinsic to the respective own filters are passed therethrough and are outputted to rectifying and smoothing circuits 61, 62-6n. The outputs are rectified and smoothed and are outputted as level signals of DC to display parts 71, 72-7n. The above-mentioned output level signals are received there and the level state according to the input signal level thereof is displayed and outputted. The type of globule migration is easily discriminated by monitoring the display state.
摘要翻译：目的：通过在焊接期间通过提供在焊枪附近的探测器作为电信号取出由电弧产生的声信号，并且显示所述信号的频率特性，来实时地区分小球迁移的类型。构成：用焊枪1焊接焊接材料2期间由电弧产生的声音用麦克风3检测，并作为电信号馈送到放大器4，通过该放大器信号被放大，然后放大的信号被馈送到带通滤波器51,52-5n。只有各个自身滤波器固有的通过频带的信号分量通过，并输出到整流和平滑电路61,62-6n。输出被整流和平滑，并作为DC的电平信号输出到显示部分71,72-7n。上述输出电平信号在那里被接收，并且显示并输出根据其输入信号电平的电平状态。通过监视显示状态可以容易地辨别球体迁移的类型。

69. 发明专利

JPS5913570A Underwater welding device 失效
标题翻译：水下焊接设备
公开(公告)号：JPS5913570A
公开(公告)日：1984-01-24
申请号：JP12260582
申请日：1982-07-14
申请人： Mitsubishi Heavy Ind Ltd
发明人： WADA KOUICHI , MANABE YUKIO , NOBUSHIGE TADASHI
IPC分类号： B23K9/00 , B23K9/29 , B23K9/32
CPC分类号： B23K9/0061
摘要： PURPOSE:To obtain an underwater welding device which has a small vapor phase area diameter and is capable of preventing the hardening caused by quenching of a weld, by providing additionally a flexible heat retaining and shielding material which is made to press-contact closely to a welding bead of high temperature and a base material face of its circumference, next to a welding device, when a welding work is executed, forming a vapor phase area in the water. CONSTITUTION:A supporting plate 6 is fitted in the rear of a conventional vapor phase area forming vessel 1, a clamping bolt 7 is inserted into a screw hole provided on the plate 6, a spring 8 is provided in the circumference of the bolt 7, and a heat retaining material fitting rack base 9 is fitted. Subsequently, shielding gas 2 is blown onto a weld line of a base material 4 together with welding gas from a welding nozzle 3, welding is executed, forming continuously a vapor phase area, and a welding bead 15 is formed. In this case, heat retaining materials 11, 12 having elasticity and heat resistance are fitted to the lower part of the rack base 9, and also a layer-like heat retaining material 13 having about 1-2mm. thickness is provided on the surface of the base material 4 around the weld line. According to said constitution, the head 15 and the base material part 4 of its vicinity do not contact directly with water of the outside, and it is possible to prevent generation of a convection by quenching caused by a convection of surrounding water.
摘要翻译：目的：为了获得具有小气相面积直径并且能够防止由焊接淬火引起的硬化的水下焊接装置，通过另外提供柔性保温和屏蔽材料，该柔性保温和屏蔽材料紧密地与在焊接装置的旁边，高温焊接和圆周的基材面，在进行焊接工作时，在水中形成气相区域。构成：在传统的气相成形容器1的后部安装支撑板6，将夹紧螺栓7插入到设置在板6上的螺钉孔中，在螺栓7的周围设置有弹簧8，并配有保温材料配合架基座9。随后，将保护气体2与来自焊接喷嘴3的焊接气体一起吹送到基材4的焊接线上，进行焊接，连续地形成气相区域，形成焊道15。在这种情况下，具有弹性和耐热性的保温材料11,12被装配到齿条基底9的下部，并且还具有约1-2mm的层状保温材料13。在基材4的表面设置有在焊接线周围的厚度。根据该结构，头部15及其附近的基材部分4不直接与外界的水接触，并且可以防止由周围水的对流引起的淬火产生对流。

70. 发明专利

JPS58173085A VERTICAL WELDING METHOD IN SEMIAUTOMATIC ARC WELDING OF GAS SHIELDED CONSUMABLE ELECTRODE TYPE 失效
公开(公告)号：JPS58173085A
公开(公告)日：1983-10-11
申请号：JP5228882
申请日：1982-04-01
申请人： MITSUBISHI HEAVY IND LTD
发明人： TANAKA KISABUROU , MANABE YUKIO , OKA TAMOTSU , SATOU MASAHIKO
IPC分类号： B23K9/02 , B23K9/16
摘要： PURPOSE:To prevent the sagging down of a molten metal in vertical welding and to obtain a smooth weld bead, by providing an auxiliary nozzle in the inner lower part of a gas nozzle, ejecting a gaseous flow of a high velocity therefrom, and applying the gaseous flow to weld metal from below. CONSTITUTION:An auxiliary nozzle 10 is provided below a torch nozzle 7 in vertical welding in automatic arc welding of a gas shielded consumable electrode type. A high velocity gas 11 such as a gas contg. small amts. of carbon dioxide and oxygen than in an ordinary shielding gas or an inert gas is blown from the nozzle 10 to weld metal 3 from below to prevent the sagging down of the metal 3. Upward directed force is applied to the metal 3 by the blowing of such gaseous flow and the solidification of the metal 3 is accelerated. The good multilayered weld zone free from lack of fusion is obtained by the above- mentioned method.

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