公开(公告)号：US4586250A

公开(公告)日：1986-05-06

申请号：US538320

申请日：1983-10-03

申请人： Frank W. Cooper, Jr. ,  John P. Vogeleer

发明人： Frank W. Cooper, Jr. ,  John P. Vogeleer

IPC分类号： F28F11/06 ,  B21D39/04 ,  B21D39/10 ,  B23P19/02 ,  F02G1/043 ,  F22B37/02 ,  F28F11/00 ,  F28F19/00 ,  B23P15/26 ,  B23P19/00

CPC分类号： F02G1/043 ,  B21D39/04 ,  B23P19/022 ,  F28F19/002 ,  F02G2243/52 ,  F02G2244/50 ,  Y10T29/53065 ,  Y10T29/531 ,  Y10T29/53122

摘要： Sleeves inserted in the coolant conductors of a steam generator of a nuclear-reactor plant are rolled by remotely controlled apparatus minimizing the time which personnel must spend within the radioactive environment of the channel head of the steam generator. A sleeve is rolled by a tube provided with rolls which are normally retracted and which, during a rolling operation, are extended into rolling engagement with the sleeve by a rotating tapered mandrel. The mandrel advances into the tube rotating the rolls while progressively increasing the pressure between the rolls and the sleeve. The sleeve is rolled near its upper end and also at its lower end in its region which is within the tube sheet by upper and lower rolling tools. The tube carrying the rolls is moved into the sleeve by a remotely controlled drive. The drive is a low voltage motor for the upper tool and a hydraulically driven piston for the lower tool. When the tube reaches its uppermost position in contact with the tube sheet or the end of the sleeve in the coolant conductor the mandrel is automatically actuated, responsive to the actuation of a switch to move into the tube to extend the rolls in the tube into progressively increasing pressure engagement with the sleeve and also to rotate as it moves into the tube. The translational drive for the mandrel is a low voltage electric motor for the upper tool and a pneumatically driven piston for the lower tool. The rotational drive for both tools is a hydraulic motor. That the desired upper rolling has been reached, is automatically determined by a thrust bearing on the mandrel which stops the advance of the mandrel into the tube at a proper diameter of the mandrel. The lower rolling is stopped responsive to the reactive torque of the hydraulic motor and may also be stopped by timing. In either case the three drives are reversed. The mandrel, in a direction opposite to its motion during insertion, is retracted, the rolls are removed from engagement with the sleeve and the tube is moved out of the sleeve.

公开(公告)号：US4571821A

公开(公告)日：1986-02-25

申请号：US526719

申请日：1983-08-26

申请人： William E. Pirl ,  John P. Vogeleer

发明人： William E. Pirl ,  John P. Vogeleer

IPC分类号： F22B1/16 ,  B21D3/05 ,  B23P19/02 ,  G21C17/003 ,  B23P19/00 ,  B21D3/04

CPC分类号： B23P19/022 ,  B21D3/05 ,  Y10T29/49352 ,  Y10T29/531 ,  Y10T29/53122 ,  Y10T29/53987

摘要： The hollow tubular member or blank which is to serve as a sleeve for a corroded tube of the steam generator of a nuclear reactor plant and which is too long to be manipulated under the tube sheet of the reactor, is prebent into a shape such that it can be manipulated and is then progressively straightened under the tube sheet as it is progressively inserted into the tube. The straightener includes a plurality of grooved rolls mounted staggered and rotatable in a train. Each roll forms a channel engaging half of the periphery of the member. The contour of the engaging surface of each roll is the same as the contour of the member over half of its peripheral surface so that each roll mates with the member over half of its peripheral surface. The rolls are in frictional engagement with the member and advance the member while bending it so that the material of the member is stressed beyond its elastic limit oppositely to the stress beyond the elastic limit, which produced the bending, sufficiently to straighten the hollow member.

摘要翻译： 用作核反应堆设备的蒸汽发生器的腐蚀管的套管的中空管状构件或坯件预制成一种形状，使得它 可以被操纵，然后在管板逐渐插入管中之前逐渐矫直。 整流器包括多个在列车中交错并可旋转的带槽辊。 每个辊形成接合构件的周边的一半的通道。 每个辊的接合表面的轮廓与其外周表面的一半以上的构件的轮廓相同，使得每个辊与构件超过其外周表面的一半以上配合。 辊与构件摩擦接合并且在弯曲的同时使构件前进，使得构件的材料被超出其超出弹性极限的应力的弹性极限，从而产生弯曲，足以使中空构件拉直。

公开(公告)号：US4513506A

公开(公告)日：1985-04-30

申请号：US522290

申请日：1983-08-11

申请人： John P. Vogeleer

发明人： John P. Vogeleer

IPC分类号： B21D39/08 ,  B21D39/06 ,  B21D39/20 ,  G01B13/10 ,  G01B5/12

CPC分类号： B21D39/06 ,  B21D39/203

摘要： The expansion of the primary tubes or sleeves of the steam generator of a nuclear reactor plant are measured while the tubes or sleeves are being expanded. A primary tube or sleeve is expanded by high pressure of water which flows through a channel in an expander body. The water is supplied through an elongated conductor and is introduced through a connector on the shank connected to the conductor at its outer end. A wire extends through the mandrel and through the conductor to the end of the connector. At its inner end the wire is connected to a tapered pin which is subject to counteracting forces produced by the pressure of the water. The force on the side where the wire is connected to the conductor is smaller than on the opposite side. The tapered pin is moved in the direction of the higher force and extrudes the wire outwardly of the conductor. The tapered surface of the tapered pin engages transverse captive plungers which are maintained in engagement with the expanding tube or sleeve as they are moved outwardly by the tapered pin. The wire and the connector extend out of the generator and, at its outer end, the wire is connected to an indicator which measures the extent to which the wire is moved by the tapered pin, thus measuring the expansion of the tube or sleeve as it progresses.

摘要翻译： 当管或套筒膨胀时，测量核反应堆设备的蒸汽发生器的主管或套筒的膨胀。 主管或套筒通过流过膨胀机主体中的通道的高压水膨胀。 水通过细长导体供应，并通过连接到其外端处的导体的柄上的连接器引入。 导线延伸穿过心轴并通过导体延伸到连接器的端部。 在其内端，线连接到锥形销，该销被受到由水的压力产生的抵抗力。 导线连接到导线的一侧的力小于相对侧的力。 锥形销在较大的力的方向上移动，并将导线向外挤出。 锥形销的锥形表面接合横向夹紧柱塞，当它们通过锥形销向外移动时，该夹紧柱塞保持与膨胀管或套筒接合。 电线和连接器延伸出发电机，并且在其外端，电线连接到指示器，该指示器测量电线由锥形销移动的程度，因此测量管或套筒的膨胀 进步。