Cylinder diameter measurement

A cylinder, measuring machine technology, applied in the direction of mechanical diameter measurement, measuring device, mechanical measuring device, etc., can solve problems such as non-satisfaction

Inactive Publication Date: 2011-06-01
CHRIS MARINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is desired to determine the deviation of the cylinder liner from the shape of the cylinder, that is, to determine whether thermal stress or other damage to the cylinder liner has caused the cylinder liner to deform so that the cylinder liner becomes an oval or horn with a larger tip diameter. shape, this method is completely unsatisfactory

Method used

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  • Cylinder diameter measurement
  • Cylinder diameter measurement

Examples

Experimental program
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Embodiment Construction

[0046] figure 1 Shown is a measuring device 1 for measuring the diameter of an engine cylinder. The measuring device 1 includes: a measuring frame 2 , a rotatable measuring holder 3 and a rotating motor 4 . The measuring frame 2 and the rotatable measuring holder 3 are detachably connected to each other. The measuring frame 2 has three frame supports 5 , 6 , 7 , wherein the inner ends of the respective frame supports 5 , 6 , 7 are connected to each other. Sliding bearings 8 are mounted on the outer ends of each frame support 5 , 6 , 7 . The rotatable measuring holder 3 is rotatable in a plane perpendicular to the central axis of the cylinder to be measured by the measuring device 1 . The rotatable measuring holder 3 has a probe 9 with a spring tip 10 , a sled 11 and a measuring motor 12 arranged in the measuring holder 3 . The sled 11 and the probe 9 are connected to each other and can be moved substantially radially in said plane relative to the cylinder by means of a mea...

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PUM

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Abstract

A measuring device (1) for measuring a diameter of a cylinder (17) in an engine. The measuring device (1) is characterised in that the measuring device (1) comprises a measuring rack (2), further comprising at least two rack supports (5, 6, 7), whereineach rack support (5, 6, 7) has an inner end, said inner ends being connected to each other, a rotatable measuring holder (3) adapted to rotate in a plane which is perpendicular to central axis of the cylinder, further comprising at least one measuring unit (9), wherein said measuring unit (9) is adapted to provide a measurement in said plane and substantially radially with regard to the cylinder (17), a rotation motor (4), wherein said measuring rack (2) and said rotatable measuring holder (3) are attached to each other, and said rotatable measuring holder (3) is rotatable relative to said measuring rack (2) by said rotation motor (4). A method for measuring a diameter of a cylinder (17) in an engine is also presented.

Description

technical field [0001] The invention relates to a measuring device, a method for using the measuring device and a method for measuring the diameter of an engine cylinder. Background technique [0002] In order to optimize the operating conditions of the marine engine and prevent the shutdown of the marine engine to the greatest extent, it is necessary to regularly check the operating state of the engine. A common cause of engine damage or shutdown is worn or burned piston rings that need to be replaced. Experience has shown that the cause is also likely to be cylinder liners which are found by inspection to be in a worn state or which no longer have a smooth surface due to soot, friction debris deposits or corrosion attack on the cylinder liner walls. Corrosion attack can come from the sulfur-containing fuel used to drive the engine, which mixes with water vapor to form sulfuric acid, which condenses inside the engine at a predetermined temperature and pressure. The effect...

Claims

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Application Information

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IPC IPC(8): G01B5/00G01B21/14G01N21/954
CPCG01B5/12G01B5/003G01B5/00G01B21/14G01N21/954
Inventor P·斯文松
Owner CHRIS MARINE
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