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1. 发明专利

JPH0647585A TOOL FOR ALIGNING GROOVE OF REINFORCING BAR 失效
公开(公告)号：JPH0647585A
公开(公告)日：1994-02-22
申请号：JP17784893
申请日：1993-07-19
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , OKUBO NORIO , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/00 , B23K9/038 , B23K37/053 , E04C5/18 , E04G21/12
摘要： PURPOSE:To shorten time for joining reinforcing bars and to obtain a high quality welded joint by correspondingly positioning reinforcing bars to be joined and adjusting the alignment of individual reinforcing bars and root opening with a groove aligning tool. CONSTITUTION:By means of four adjusting bolts 15c in an upper reinforcing bar holder 15, the axial center of the reinforcing bar 1 to be joined is aligned horizontally left and right and back and forth, and the alignment is performed with the axial center of an existing riser reinforcing bar 101 which is clamped with a lower reinforcing bar holder 16. Then, a rotary handle is attached to an attaching part 12c which is provided in the head of a shaft 12, and the shaft 12 is rotated. Through a rotor 12b and an arm 13, the upper reinforcing bar holder 15 is moved vertically. Accordingly, by properly adjusting the rotation of the shaft 12, the root opening between the existing riser reinforcing bar 101 and the reinforcing bar 1 to be joined is adjusted.

2. 发明专利

JPH02229364A PREASSEMBLING JIG FOR REINFORCEMENT 失效
公开(公告)号：JPH02229364A
公开(公告)日：1990-09-12
申请号：JP4968289
申请日：1989-03-01
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , OKUBO NORIO , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： E04C5/18 , E04G21/12
摘要： PURPOSE:To shorten working time and improve working efficiency by connecting outer frame members to bar clamp members in parallel crosses to form an upper jig and a lower jig, and assembling these jigs near the vertical end parts of reinforcements to be preassembled. CONSTITUTION:Outer frame members 1, 2 are arranged in parallel crosses, and a plurality of reinforcement aligning members 3 are laid in the inner part. U-shaped fittings 1a, 1a for holding a reinforcement 101 are provided on the both end parts of the member 1, and semi-circular cutout parts 1b utilized for positioning the reinforcement are formed between them. Similarly, semi-circular cutout parts 2a, 3a are provided in the longitudinal directions of the members 2, 3, and these members are assembled to form an upper jig A. A bar clamp member 21 and a connecting fitting 22 are assembled to form a lower jig B, with the bar clamping member 21 having clamp fittings 21a disposed at fixed intervals in such a manner as to be capable of freely assembled and disjoined. A plurality of reinforcements to be preassembled are assembled, with the upper jig A and the lower jig B being assembled near the upper and lower end parts thereof to complete preassembly. Hence, the reinforcements can be prevented from getting out of shape during the work.

3. 发明专利

JPH06320269A WELDING POSITION AND CHANGING-OVER SETTING MECHANISM FOR HORIZONTAL AND VERTICAL DIRECTION POSITIONS OF TORCH PART IN TURNING SYSTEM AUTOMATIC WELDING EQUIPMENT FOR REINFORCING BAR 失效
公开(公告)号：JPH06320269A
公开(公告)日：1994-11-22
申请号：JP11265393
申请日：1993-05-14
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , TERAO KATSUMICHI , SHINGU HIROAKI , TSUBATA AKIKAZU , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/00 , B23K9/038 , B23K9/12
摘要： PURPOSE:To provide the welding position of a torch part to a joint part, and a mechanism possible to set by successively changing over the horizontal direction and the vertical direction positions to the axial center of the joint part of the torch part in an automatic welding equipment for a reinforcing bar, performing joint welding with multi-layer welding. CONSTITUTION:The contact tip 56a of a torch part in a welding head, is detached from the welding head, and both parts are connected by a conduit cable 61. A changing-over setting mechanism 60 consisting of the welding position of a contact tip 56a to a joint part, and a cam mechanism changing over in multistage and setting the horizontal direction position and the vertical direction position to the joint part, is installed on a turning bench 53. The contact tip detached from the welding head, is assembled in the cam mechanism, and this cam mechanism is operated. Consequently, the mechanism is constituted so that the welding position of the contact tip to the joint part, and the horizontal direction and the vertical direction positions are successively changed over and set according to each build-up process.

4. 发明专利

JPH02229674A METHOD AND JIG FOR BEVEL ALIGNMENT OF REINFORCING BARS 失效
公开(公告)号：JPH02229674A
公开(公告)日：1990-09-12
申请号：JP4968389
申请日：1989-03-01
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , OKUBO NORIO , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K37/053 , B23K9/038 , E04C5/18 , E04G21/12
摘要： PURPOSE:To reduce the working time of reinforcing bar extension by assembling bevel aligning jigs on the upper end parts of existing rising reinforcing bars and the lower end parts of reinforcing bars to be extended and moving the lower end parts of the reinforcing bars in the horizontal and vertical directions and carrying out alignment. CONSTITUTION:The reinforcing bars 1 to be extended on the plural existing reinforcing bars 101 are assembled previously by using a previously assembling jig 2 and suspended at a job site. The bevel aligning jigs A are assembled on the upper end parts of the existing rising reinforcing bars 101 and on the lower end parts of the extension reinforcing bars 1. In order to assemble the bevel aligning jigs A, upper reinforcing bar holding fittings 15 are inserted into the lower end parts of the extension reinforcing bars 1 and adjusting bolts 15c hold the reinforcing bars 1 and adjust these in the horizontal direction. Lower reinforcing bar holding fittings 16 are inserted into the upper ends of the rising reinforcing bars 101 which are held in the same way. Shafts 12 are rotated to adjust root gaps between the rising reinforcing bars 101 and the extension reinforcing bars 1. The working time of reinforcing bar extension is shortened.

5. 发明专利

JPH06320270A POSITION CONTROL METHOD FOR ARC START AND ARC END IN TURNING SYSTEM AUTOMATIC WELDING FOR REINFORCING BAR 失效
公开(公告)号：JPH06320270A
公开(公告)日：1994-11-22
申请号：JP11265493
申请日：1993-05-14
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , TERAO KATSUMICHI , SHINGU HIROAKI , TSUBATA AKIKAZU , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/00 , B23K9/038 , B23K9/095 , B23K9/127
摘要： PURPOSE:To enable joint welding without lapping an arc start position and an arc end position by connecting a position sensor to the positioning unit for an arc start and an arc end, and connecting a sequence controller successively controlling a welding process for each layer of multi-layer welding. CONSTITUTION:First of all, a welding head 2 is allowed to alternately rotate forward and backward through a turning drive mechanism around the butt joint part 52 of a lower reinforcing bar 50 and an upper reinforcing bar 51. A welding wire and shield gas are supplied to the joint part 52 from the torch part 2a of a welding head 2. A sequence control is successively performed to a welding process for each layer by multi-layer welding. A rotary encoder 8 is assembled on the turning drive mechanism of the welding head 2. On the other hand, a positioning unit PC possible to previously set the arc start position and an arc end position of the welding process for each layer, is provided. A positioning sensor 8 is connected to the positioning unit PC. Also, a programmable controller successively controlling a welding process for each layer, is connected.

6. 发明专利

JPH0270382A METHOD AND DEVICE FOR AUTOMATIC WELDING REINFORCING BAR OR THE LIKE 失效
公开(公告)号：JPH0270382A
公开(公告)日：1990-03-09
申请号：JP21900088
申请日：1988-09-01
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , MORI MASATO , HARADA NAGAHARU , YOSHIDA TAKEYOSHI , OKUBO NORIO , SHINGU HIROAKI , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/038 , B23K9/00 , B23K9/12
摘要： PURPOSE:To improve working efficiency and to control quality variance by applying a backing strap to the outside of a root gap in a vertical butt joint part and oscillating a welding wire nozzle at the opposite side thereof and cladding by welding at the side at hand from the back. CONSTITUTION:The backing strap 135 is arranged to the outside of the root gap of the vertical butt joint part of arranged upper and lower reinforcing bars A and A'. At the opposite side thereof, the lower surface of a welding head 119 is supported pivotally and freely tiltably on a fine-adjustable table 121 by a supporting axis 125. A rotary cam 127 is provided to the rear end thereof and a cam receiving roller 127a provided to the lower surface of the welding head 119 is brought into contact with the rotary cam 127 with pressure via a spring 128. The rotary cam 127 is operated to oscillate the welding wire nozzle 118 in the vertical direction. In addition, the rear end of the wire nozzle 118 is supported pivotally on the welding 119 and the wire nozzle 118 is oscillated in the horizontal direction on right and left by operation of a face cam 130. By this combination, a weld bead is cladded by welding from the back to the side at hand in the root gap to perform joint welding.

7. 发明专利

JPH06320271A METHOD FOR WELDING HORIZONTAL JOINT BY TURNING TYPE AUTOMATIC WELDING OF REINFORCING BAR 失效
公开(公告)号：JPH06320271A
公开(公告)日：1994-11-22
申请号：JP11265593
申请日：1993-05-14
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , TERAO KATSUMICHI , OKUBO NORIO , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/00 , B23K9/038 , B23K9/095
摘要： PURPOSE:To provide the welding of the horizontal joint of excellent quality by supplying the welding voltage and current of the appropriate value established according to the welding position to the welding wire. CONSTITUTION:A cam 4 is rotated by a driving motor 3, and a sector-shaped gear 5 moves the arc through a swaying arm 8. This allows driven gears 7, 7 to be turned alternately in the forward and rearward direction through a main gear 6. The alternate turning in the forward and rearward direction of the volume setting dials IV and IA for the welding voltage V and the welding current A is adjusted based on the turning of these driven gears 7, 7. Thus, the volume setting dials IV, IA for the welding voltage and the welding current are controlled based on the control program, and the welding voltage and the welding current corresponding the welding position of a contact chip are supplied to the welding wire. This constitution can suppress the phenomena which may cause the factors of the defective welding such as sag of the weld bead and the irregular deposition to the joint.

8. 发明专利

JPH0270381A METHOD AND DEVICE FOR AUTOMATIC WELDING REINFORCING BAR OR THE LIKE 失效
公开(公告)号：JPH0270381A
公开(公告)日：1990-03-09
申请号：JP21899988
申请日：1988-09-01
申请人： TAISEI CORP , SANKO SEISAKUSHO KK
发明人： NISHIMURA MASAHIRO , MORI MASATO , HARADA NAGAHARU , YOSHIDA TAKEYOSHI , OKUBO NORIO , SHINGU HIROAKI , SAITO YOSHIMICHI , KOUSAKA RIYOUICHI
IPC分类号： B23K9/038 , B23K9/00 , B23K37/053
摘要： PURPOSE:To improve work efficiency and to suppress the variance of a quality by turning and oscillating upward and downward a welding wire nozzle to a root interval of a vertical butt joint part, and executing padding extending from an axis center to the outer periphery. CONSTITUTION:A welding wire nozzle 3 is set so as to be turnable to a root interval of a vertical butt joint part of upper and lower reinforcing bars A, A' which are arranged. On the position of the rear end part of the wire nozzle 3, a rotary cam 24 is provided, and while the rotary cam 24 is rotating, for instance, by 178 deg., the wire nozzle 3 is held in a downward attitude. While the cam further rotates by 2 deg., the wire nozzle 3 is switched to an upward attitude. Also, while the cam is rotating by 180 deg., the upward attitude is held. Subsequently, the tip part of the welding wire W is brought to arc start from an axis center position of the root interval, the wire nozzle 3 is turned around the axis center, and also, the attitude is switched upward and downward. By this combination, joint welding is executed by bringing a weld bead to padding in a circular shape extending from the axis center to the outer periphery in the root interval.

9. 发明专利

JPH01274044A SEALING APPARATUS FOR OBSERVATION INSIDE TANK 失效
公开(公告)号：JPH01274044A
公开(公告)日：1989-11-01
申请号：JP10243688
申请日：1988-04-27
申请人： ASAHI ENGINEERING , SANKO SEISAKUSHO KK
发明人： KAWADA TADAYOSHI , KOUSAKA RIYOUICHI
IPC分类号： G01N21/84 , F16J12/00 , G01N21/88 , G01N21/954 , G02B23/24
摘要： PURPOSE:To enable observation inside a tank safely even during the operation, by fixing a flange receptacle with a sleeve on a cylindrical body provided with an air supply port and an exhaust port while a sealing body is fitted securely into the body. CONSTITUTION:Both ends of a flexible sleeve 15 are fixed on a flange 9 with a sleeve and a second flange 11 with a sleeve. A spacer 16 is mounted between the flanges 9 and 11 surrounding a sleeve 15 to form a sealing body with the sleeve 15 and the spacer 16 fixed on the flanges 9 and 11. A flange receptacle 6 with a sleeve is fastened on a hollow body 1 provided with a supply port 4 and an exhaust port 5 for air and the sealing body is fitted securely into the body 1. In observation inside the tank, a fiber scope is inserted into the tank through the flange 11 via the flange receiver 6, the flange 9 and a sleeve 15. Then, a pressure air introduced from the supply port 4 acts on the sleeve 15 through a tiny hole of the spacer 16 to contact the fiber scope. This enables prevention of leakage of a pressure or a fluid from the side of the tank.

10. 发明专利

JPH02224871A METHOD AND DEVICE FOR CUTTING HEAT EXCHANGER TUBE BUNDLE 失效
公开(公告)号：JPH02224871A
公开(公告)日：1990-09-06
申请号：JP26785388
申请日：1988-10-24
申请人： SANKO SEISAKUSHO KK
发明人： KOUSAKA RIYOUICHI
IPC分类号： B23K7/00 , B23K26/38
摘要： PURPOSE:To easily and rapidly cut the tube bundle of a heat exchanger and to execute the cutting of the tube bundle of the heat exchanger in a manner as to improve working environment by cutting the tube bundle of the heat exchanger to a staircase shape symmetrical with a center. CONSTITUTION:Only the spare torches 25 are previously ignited and arms 24 are lowered at a proper speed to put the tube bundle 3 into an easy-to-cut state by predicting the range to be cut. Gas is discharged to cutting torches 26 to cause the self ignition by the flames of the torches 25 upon completion of the descending. The arms 24 are then raised at a proper speed to cut the tube bundle 3 from below to above. A control panel 30 starts a preheating downward cutting action by a sequence circuit contained therein to simultaneously put off the flames of the torches 26 upon completion of the ascending. The torches 25 of the respective arms 24 are respectively matched with the inner position (2) with each other from the position (1) upon completion of the descending and thereafter, the upward cutting action is started by igniting the torches 26. The similar operations are thereafter repeated and the operations are progressed successively to the inner symmetrical positions (2) (3) (4) to complete the cutting operation. The tube bundle is thus cut to the staircase shape shown in figure.

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