Method for manufacturing gear and rack lifting system mounting frame
A manufacturing method and technology of a lifting system, which are applied to auxiliary devices, manufacturing tools, artificial islands, etc., can solve the problems of long mounting frame panel, main board and bottom plate structure, mounting frame deformation, and large accumulation of welding deformation, etc. The effect of welding, improving accessibility, and easy control of welding deformation
Active Publication Date: 2017-06-13
WUHAN MARINE MACHINERY PLANT
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Problems solved by technology
[0006] In order to solve the problem that the panel, main board and bottom plate of the installation frame are long in structure, and a large number of ribs need to be welded between the panel, main board and bottom plate of the installation frame, the accumulation of welding deformation is relatively large, resulting in serious deformation of the installation frame. The embodiment of the invention provides a manufacturing method of the rack and pinion lifting system mounting frame
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[0042] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0043] The mounting frame of the rack and pinion lifting system is an important force-bearing and force-transmitting component of the jack-up drilling platform lifting system. figure 2 It is a schematic diagram of the side view perspective structure of the mounting bracket provided by the embodiment of the present invention, see figure 2 , the mounting frame includes a panel 1, a main board 2 and a base plate 3 arranged in parallel at intervals in turn, several vertical ribs 5 are arranged between the main board 2 and the base 3, and several supporting ribs 4 are arranged between the main board 2 and the panel 1, and the mounting frame There are a number of installation holes d in the middle part, and the installation holes d run thr...
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The invention discloses a method for manufacturing a gear and rack lifting system mounting frame, and belongs to the technical field of welding. The mounting frame is sequentially divided into a top assembly, a middle assembly and a bottom assembly in the length direction of a panel, and mounting holes are located in the middle assembly. The manufacturing method includes the steps that the top assembly, the bottom assembly and the middle assembly are assembled and welded at first; one end of the middle assembly is in butt joint with the bottom assembly, and the other end of the middle assembly is in butt joint with the top assembly; and the panel of the mounting frame and bottom plates of the top assembly and the bottom assembly are welded, then a top sealing plate at the upper end of the top assembly and a bottom sealing plate at the lower end of the bottom assembly are welded, and finally a side face sealing plate of the mounting frame is welded. By assembling and welding all the assemblies, all the assemblies are integrally assembled and welded, and a guarantee can be provided for welding precision of all the assemblies before all the assemblies are welded into a whole; and by welding all the sealing plates ultimately, welded joints inside the mounting frame of a box-type structure can be welded conveniently, and welding accessibility is improved.
Description
technical field [0001] The invention relates to the field of welding technology, in particular to a manufacturing method of a rack and pinion lifting system mounting frame. Background technique [0002] The jack-up drilling platform is an offshore platform composed of an upper platform and a plurality of legs that can be raised and lowered relative to the upper platform. These pile legs move up and down relative to the upper platform under the drive of the lifting device. During the drilling operation of the platform, the pile legs are supported on the seabed, and the lifting of the upper platform is realized by the lifting device. Among them, the lifting device is fixedly installed on the upper platform through the mounting frame, and the mounting frame is an important force-bearing and force-transmitting component of the jack-up drilling platform lifting system. [0003] The mounting frame is a large and complex box-shaped structure, including panels, main boards, and bot...
Claims
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IPC IPC(8): B23K37/00E02B17/08
CPCB23K37/00E02B17/08
Inventor 代俊华霖王法斌程建文李学智
Owner WUHAN MARINE MACHINERY PLANT