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Coaxiality measurer of mounting hole of cylinder cover fuel injector and inner circle of baseplate seam allowance

A technology for installing holes and fuel injectors, applied in measuring devices, mechanical measuring devices, instruments, etc., can solve problems such as difficulties, high costs, and complicated measurement processes, and achieve the effects of improving measurement efficiency, ensuring product quality, and accurate measurement

Inactive Publication Date: 2013-07-31
陈硕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the coaxiality measurer of the cylinder head fuel injector installation hole and the bottom plate spigot needs to use a flat plate, a mandrel, a fixed and adjustable support, a measuring frame with an indicator, etc. The measurement process is complicated and difficult. It is even more difficult to move large parts; if three-coordinate measurement is used, the cost is high and the measurement process is complicated

Method used

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  • Coaxiality measurer of mounting hole of cylinder cover fuel injector and inner circle of baseplate seam allowance
  • Coaxiality measurer of mounting hole of cylinder cover fuel injector and inner circle of baseplate seam allowance
  • Coaxiality measurer of mounting hole of cylinder cover fuel injector and inner circle of baseplate seam allowance

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Embodiment Construction

[0012] The accompanying drawing is a structural diagram of the measuring device for the coaxiality of the inner circle of the workpiece 16V280 cylinder head fuel injector mounting hole to the bottom plate seam. See attached figure 1 , 2 , 3, the expandable mandrel (1) left end is provided with the front rod (7) that diameter is Φ 20 millimeters, and the right end is provided with the handle (3) that diameter is 30 millimeters and is 60 millimeters long; Expandable mandrel (1 ) is Φ69.000 mm in diameter, and the inner diameter of the cylinder head injector mounting hole (2) is Φ70.000 mm; the expandable mandrel (1) is inserted in the cylinder head injector mounting hole (2), and the expandable Three expansion beads mounting holes (6) with an inner diameter of Φ4.50mm distributed in an equilateral triangle in the horizontal direction of the type mandrel (1), and three rows of uniformly distributed longitudinal diameters of the expandable mandrel (1) are Φ4. 00 mm expansion bal...

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Abstract

The invention discloses a coaxiality measurer of a mounting hole of a cylinder cover fuel injector and the inner circle of a baseplate seam allowance, which is composed of an expanding arbor, a handlebar, expanding beads, compression springs, mounting holes for the expanding beads, a front rod, a cross slab, a hole in the lower end of the cross slab, a bolt, a hole in the upper end of the cross slab, a screw, a fixing rod, a fine dial test indicator and a test head. The sliding expanding beads contacted with the inner walls of the mounting hole for the cylinder cover fuel injector are arranged at the outer circle of the expanding arbor; and the test head of the fine dial test indicator indicates the inner circle of the baseplate seam allowance. The coaxiality measurer of the mounting hole of the cylinder cover fuel injector and the inner circle of the baseplate seam allowance has the advantages that the structure design is novel; the process of measurement is simple; and the effect of measurement is accurate.

Description

technical field [0001] The invention relates to a measuring device for mechanical parts, in particular to a measuring device for measuring the inner circle coaxiality between the installation hole of the fuel injector of the cylinder head and the seam of the bottom plate. Background technique [0002] At present, the coaxiality measurer of the cylinder head fuel injector installation hole and the bottom plate spigot needs to use a flat plate, a mandrel, a fixed and adjustable support, a measuring frame with an indicator, etc. The measurement process is complicated and difficult. It is even more difficult for moving large parts; if three-coordinate measurement is used, the cost is high and the measurement process is complicated. Contents of the invention [0003] The invention provides a measuring device for measuring the coaxiality of the inner circle of the installation hole of the fuel injector of the cylinder head and the seam of the bottom plate. The measuring head is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/252
Inventor 陈硕
Owner 陈硕
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