发明名称 |
SAFETY DEVICE AGAINST TUMBLING IN A DEVICE FOR EXTRACTING A TUBE FROM A BASE TUBE PLATE IN A HEAT EXCHANGER |
摘要 |
A crash protection apparatus for a pulling device having a hollow piston cylinder and a pulling claw for pulling a tube out of a tube sheet of a heat exchanger chamber in which the pulling device is disposed, the crash protection apparatus includes another cylinder without a piston rod having an axis substantially parallel to the axis of the hollow-piston cylinder and being fixed relative to the tube sheet in the chamber, a piston of the other cylinder, a bracket extending from the piston substantially at a right angle to the axis of the other cylinder for supporting the pulling device with a supporting force provided by the other cylinder, and a device for controlling the supporting force for compensating only the weight of the pulling device in each position of the pulling device. |
申请公布号 |
EP0204889(A3) |
申请公布日期 |
1988.09.07 |
申请号 |
EP19860102316 |
申请日期 |
1986.02.22 |
申请人 |
BROWN BOVERI REAKTOR GMBH |
发明人 |
HALLER, HANS, DIPL.-ING.(FH) |
分类号 |
B23P21/00;B23P19/02;F22B37/00;F22B37/58;(IPC1-7):B25B27/02 |
主分类号 |
B23P21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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