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Visual detection device for leakage of cylinder cover

A detection device, cylinder head technology, applied in the direction of measuring device, by detecting the appearance of fluid at the leakage point, using liquid/vacuum degree for liquid tightness measurement, etc., can solve the cumbersome process, unable to judge the degree of leakage of the cylinder head, Problems such as high cost, to achieve the effect of easy leakage

Pending Publication Date: 2022-05-06
李伟明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the cylinder head is manufactured, the airtightness of the cylinder head needs to be tested. The existing airtightness detection method is to use a blower to blow out the powder and adhere to the inner wall of the cylinder head, and then inject water into the cylinder head hole. Leakage detection, and then quickly and intuitively judge whether there is a leak in the cylinder head by observing the color change of the inner wall of the cylinder head, and the specific location of the leak. The cost is high, and the powder is sprayed into the inner wall of the cylinder head, and it is difficult to clean the powder on the inner wall of the cylinder head later, and this detection method can only judge whether there is a leak point in the cylinder head and the specific location of the leak point, and cannot judge the leakage of the cylinder head Leakage

Method used

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  • Visual detection device for leakage of cylinder cover
  • Visual detection device for leakage of cylinder cover
  • Visual detection device for leakage of cylinder cover

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Cylinder head leakage detection device, such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, it includes a bottom support plate 1, a guide support frame 2, a cylinder head sealing limit part 3, a cylinder head leakage detection part 4 and an air guide frame shielding part 5. The top surface of the bottom support plate 1 is fixedly installed with a guide support Frame 2, the cylinder head airtight limit part 3 is set on the guide support frame 2, the cylinder head airtight limit part 3 is used to seal the top and both sides of the cylinder head, and the top surface of the bottom support plate 1 is fixedly installed with the cylinder head leakage Degree detection part 4, cylinder head leakage degree detection part 4 is used to detect the air tightness of the cylinder head, and the front side of the bottom support plate 1 is provided with an air guide frame shielding part 5.

[003...

Embodiment 2

[0042] On the basis of Example 1, such as Figure 9 As shown, it also includes a cylinder head leakage degree recording part 6, which is rotatably connected to the movable frame 54, and the cylinder head leakage degree recording part 6 is used to record the cylinder head leakage degree data, The cylinder head leakage degree recording part 6 includes a guide roller 61, a winding roller 62, a paper delivery roller 63, a recording roll body 64, an overrunning clutch 65, a driven gear 66, a multi-position connecting rod 67, and a rack plate 68 and compression spring two 69, two guide rollers 61 are rotatably connected on the movable frame 54, and the winding roller 62 is rotatably connected to the movable frame 54, and the delivery roll 63 is also rotatably connected to the movable frame 54, and the paper delivery The recording roll body 64 is wound around the roller 63 and the unwinding roll 62. The take-up roll 63 is used to wind the recording roll body 64. Both guide rollers 61...

Embodiment 3

[0048] On the basis of Example 2, such as Figure 9 and Figure 11As shown, the recording roll paper position adjustment part 8 is also included, the recording roll paper position adjustment part 8 is fixedly installed on the guide support frame 2, the recording roll paper position adjustment part 8 is used to move the position of the recording roll paper body 64, The recording roll paper position adjustment part 8 includes an overrunning clutch two 81, a driven gear two 82, a cam plate 83, a pressing rack 84, a guide column 85, an inclined-plane pole 86, a connecting spring one 87, a belt inclined-plane adjustment frame 88 and Connecting spring 2 89, overrunning clutch 2 81 is fixedly installed on the support rod 72, driven gear 2 82 is fixedly connected on the overrunning clutch 2 81, cam disc 83 is fixedly connected on the support rod 72, connecting plate 32 top surface is fixedly connected with Press down the tooth bar 84, and the guide support frame 2 is fixedly installe...

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Abstract

The invention relates to the technical field of cylinder cover detection, in particular to a cylinder cover leakage visual detection device which comprises a bottom supporting plate, a guide supporting frame, a cylinder cover sealing limiting component, a cylinder cover leakage detection component and the like. A guide supporting frame is fixedly installed on the top face of the bottom supporting plate, the air cylinder cover sealing limiting component is arranged on the guide supporting frame, and an air cylinder cover leakage detecting component is fixedly installed on the top face of the bottom supporting plate. High-pressure gas is conveyed into the cylinder cover, so that the high-pressure gas pushes all the movable pipes and the rolling balls to move upwards, a worker can judge whether the cylinder cover leaks gas or not by observing whether the height positions of the rolling balls are consistent or not, then the gas tightness of the cylinder cover is judged, and meanwhile the specific position of a leakage point can be deduced according to the position of the rolling ball.

Description

technical field [0001] The invention relates to the technical field of cylinder head detection, in particular to a visual detection device for cylinder head leakage. Background technique [0002] The engine cylinder head, cylinder liner and piston together form the combustion chamber of the diesel engine, which is one of the parts of the diesel engine that withstands high temperature and high pressure working conditions. The inner cavity of the cylinder head is arranged with intake ports, exhaust ports, intake valves, exhaust Doors, fuel injectors, etc., the cylinder head is often in contact with high-temperature and high-pressure gas, so the bottom surface of the cylinder head needs to bear a large heat load and high-pressure gas pressure generated by fuel combustion. When the engine is working, the cooling water installed in the cylinder head The cavity communicates with the cooling water hole of the cylinder block, and the combustion chamber is cooled by the cooling water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/02G01M3/20
CPCG01M3/025G01M3/20
Inventor 李伟明
Owner 李伟明
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