A Method for Drilling Holes on a Tube Sheet Using Multiple Radial Arm Drills
A technology of radial drill and tube sheet, applied in boring/drilling, drilling/drilling equipment, metal processing equipment and other directions, can solve the problems of high cost, poor quality, low efficiency of large tube sheet, etc. Low, good quality, strong applicability
Inactive Publication Date: 2018-04-24
吉林寰球和创机械制造清洗有限公司
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Problems solved by technology
[0006] The purpose of the present invention is to propose a method for drilling holes on the tube sheet by using multiple radial drills, which solves the problems of low efficiency, poor quality and high cost of processing large tube sheets with ordinary machine tools
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[0019] The present invention will be described in detail below in combination with specific embodiments.
[0020] Such as figure 1 and figure 2 Shown is the system that the inventive method adopts, and tube plate 1 is placed on several tooling square boxes 2, and the height of tooling square box 2 is adjusted to consistent horizontal height by the infrared theodolite 3 that is arranged on tube plate 1 side, and template 4 is fixed on On the tube plate 1, it fits closely with the surface of the tube plate 1 and is tightly integrated with the tube plate with several bolts. On the template 4, there are 4 (several rocker drills and several connecting plates) connecting plates 5, connecting plates 5 The rocker drill 6 is fixed on it, and the drilling range of all the rocker drills 6 should cover the entire drilling range of the tube sheet 1. In this example figure 1 There are four radial drills 6, which are evenly distributed around the tube plate 1. The bottom holes for the hea...
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Abstract
The invention discloses a method for drilling holes in a pipe plate by means of fixing of multiple radial drills. A plurality of tool square boxes are arranged in an area of a compacted foundation ground, the upper planes of the tool square boxes are corrected through an infrared theodolite, the pipe plate is arranged above the tool square boxes, and recalibration is carried out according to the planeness required by a pipe plate part drawing. The multiple bolt holes connected with a formwork and a connecting plate tool are drilled in the pipe plate, and then the formwork and the connecting plate tool are assembled to be closely and attached to the pipe plate into a whole. In addition, the radial drills are demounted from an original mounting base and mounted on the connecting plate tool of the pipe plate, and cooling lubricating systems of various drilling machines are transformed. The transformed radial drills are fixed above the pipe plate in a partitioning manner, the mounting precision of the drilling machines is corrected, and heat exchange pipe holes are drilled according to the positions, with the machined bottoms holes, of the drilling formwork in a partitioning manner. A common machine tool is adopted for machining large pipe plate pipe holes on site, efficiency is high, cost is low, quality is good, and high adaptability is achieved.
Description
technical field [0001] The invention belongs to the technical field of mechanical processing, and relates to a method for drilling holes on a tube plate by using a plurality of radial drills. Background technique [0002] There are two main types of existing technologies for drilling tube sheets: one is to use a single rocker drill to drill after the platform is marked; the other is to use a numerical control drill to directly drill. [0003] The drilling of the tube sheet is generally made in the factory. There are two main methods. One is to place the finished tube sheet on a large platform with marking lines. Plan and check the circular line, then fix the tube sheet in the working surface of the radial drill, and use a single radial drill to drill holes one by one. This method is less efficient and less costly; the other is to The finished tube plate is placed on the CNC drilling table. After the CNC driller programs the holes according to the drawing, the CNC drill dire...
Claims
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IPC IPC(8): B23B41/00B23B39/16
CPCB23B39/161B23B41/00
Inventor 郭传东王春义周国顺张树孙学芹李桂秋毕海波魏光旭高洪岩
Owner 吉林寰球和创机械制造清洗有限公司