Insert type cable head for electric submersible pump
A submersible electric pump, plug-in technology, used in cable joints, multi-core cable end parts, connections where permanent deformation works, etc., can solve the problems of complicated operation and slow connection speed, and achieve simple operation and save time. , The effect of improving the resistance level
Active Publication Date: 2010-01-27
大庆油田力神泵业有限公司
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- Description
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- Application Information
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Problems solved by technology
[0003] In order to overcome the disadvantages of slow connection speed and complicated operation of the existing cable heads, the present invention provides a plug-in cable head for electric submersible pumps. The plug-in cable head for electric submersible pumps has the advantages of fast connection speed, simple operation and good sealing effect It is especially suitable for the operation of electric pump units in areas with harsh natural environments
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Embodiment Construction
[0018] The present invention will be further described below in conjunction with accompanying drawing:
[0019] Depend on figure 1 Shown, this invention is made up of socket a and plug b connection.
[0020] Depend on figure 2 combine Figure 4 As shown, the socket a is connected to the cable 1, and consists of a housing 2, a cable core wire 3, an epoxy resin filler 4, left and right insulating blocks (5, 8), a rubber gasket 6, a socket terminal 7, a press Ring 9, gasket 10, leaf spring 18, cover 19 constitute;
[0021] Among them, the cable core wire 3 is divided into three strands after removing the outer sheath of the external cable 1, and then respectively soldered to the socket terminal 7 and placed inside the housing 2 after being insulated and wrapped. The three cable core wires and the socket terminal 7 are 120° to each other. Evenly distributed, fixed with insulating blocks between them, increasing the creepage distance between the power phase and the phase, and ...
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The invention relates to a plug-type cable head of an oil-immersed electric pump, aiming at solving the problem that an existing cable head has slow connecting speed and complex operation. The invention is characterized in that the oil-immersed electric pump comprises a socket (a) and a plug (b), wherein the socket (a) is connected with a cable (1); the plug (b) is arranged on a motor (17); an upper terminal (12) inside the plug (b) is connected with a socket terminal (7) through a spring leaf (18) in the socket terminal (7). The invention has the advantages of quick connecting speed, simple operation and good sealing effect, and is especially suitable for the operation of an electric pump set in regions having execrable environment.
Description
Technical field: [0001] The invention relates to a connection device between an electric submersible pump and a cable in an oil field, in particular to a plug-in cable head for an electric submersible pump. Background technique: [0002] The cable head of the submersible pump is a device connecting the submersible motor and the cable. The volume of the cable head is limited by the space of the casing, and it is directly placed in the well fluid. The quality of the cable head is directly related to the life of the entire unit. At present, the cable heads commonly used in China are mainly winding. Its structure is that the three-phase sockets are scattered in the cable hole of the motor, and the cable end is a plug. When operating, it is necessary to pull out each phase terminal of the cable hole of the motor and then connect it separately. The cable plugs are plugged in, and then an insulating layer is wound on the outside of each phase plug, and then pushed into the motor ca...
Claims
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IPC IPC(8): H01R4/18H01R11/11H02G15/08
Inventor 庞向东邵永实董振刚邓辉王登阁袁振海黄璇徐震天
Owner 大庆油田力神泵业有限公司