CN101608959A - A kind of cylinder sleeve inner hole friction force testing equipment and method of testing thereof - Google Patents
A kind of cylinder sleeve inner hole friction force testing equipment and method of testing thereof Download PDFInfo
- Publication number
- CN101608959A CN101608959A CNA2009100655939A CN200910065593A CN101608959A CN 101608959 A CN101608959 A CN 101608959A CN A2009100655939 A CNA2009100655939 A CN A2009100655939A CN 200910065593 A CN200910065593 A CN 200910065593A CN 101608959 A CN101608959 A CN 101608959A
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- China
- Prior art keywords
- piston
- pull bar
- cylinder sleeve
- positioning catheter
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000010998 test method Methods 0.000 title claims description 9
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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Abstract
The invention provides a kind of cylinder sleeve inner hole friction force testing equipment, comprise guide rod, lower end of the guide rod is connected with the piston suitable with cylinder sleeve, piston ring is housed on the piston, the guide rod upper end is connected with positioning catheter, be provided with a pull bar in the positioning catheter, the bottom activity of pull bar is arranged in the positioning catheter, and the lower end of pull bar is provided with caging bolt; The top movable of pull bar be arranged in the adaptive location gland of positioning catheter in, the upper end of pull bar stretch out the location gland outside; Described location gland is fixed on the support, is provided with dynamometer in the support, and the external part of dynamometer is connected with the upper end of pull bar.The test process of testing apparatus of the present invention is easy to operate, and the test duration shortens greatly, and work efficiency improves greatly, and has saved testing cost.
Description
Technical field
The invention belongs to the friction testing technical field, relate to a kind of cylinder sleeve inner hole friction force testing equipment, relate to a kind of method of utilizing the detection friction force of this testing apparatus simultaneously.
Background technology
Detect the quality of cylinder sleeve bore cross hatch structure at present, verify by the bench test engine oil consumption often, platform experiment will turn round 24 hours under specified power situation, finally recently judge the quality of cylinder sleeve by the oil-burning machine oil consumption, but testing result is influenced by several factors again, often needs repeatedly to test and could determine the result.Therefore bench test is an experimentation of not only having lost time but also having sunk money.
Summary of the invention
The purpose of this invention is to provide a kind of checkout equipment that detects cylinder sleeve inner hole friction force.
Another object of the present invention is to provide a kind of method of utilizing this checkout equipment to detect cylinder sleeve inner hole friction force.
For achieving the above object, the present invention is by the following technical solutions: a kind of cylinder sleeve inner hole friction force testing equipment, comprise guide rod, lower end of the guide rod is connected with the piston suitable with cylinder sleeve, piston ring is housed on the piston, and the guide rod upper end is connected with positioning catheter, is provided with a pull bar in the positioning catheter, the bottom activity of pull bar is arranged in the positioning catheter, and the lower end of pull bar is provided with caging bolt; The top movable of pull bar be arranged in the adaptive location gland of positioning catheter in, the upper end of pull bar stretch out the location gland outside; Described location gland is fixed on the support, is provided with dynamometer in the support, and the external part of dynamometer is connected with the upper end of pull bar.
Described dynamometry is counted plug-type dynamometer.
Be connected with bearing partition by contiguous block on the described support.
Described cylinder sleeve bottom is provided with pressing plate and bed hedgehopping piece.
Be connected by piston joint between described piston and the guide rod, be provided with heat insulating mattress between piston and the piston joint; Connect by web joint between described location gland and the support.
A kind of method of testing of cylinder sleeve inner hole friction force testing equipment, cylinder sleeve is fixed on the worktable, driving support by motion moves downward, support drives the location gland and moves downward, the location gland makes positioning catheter be inserted in the gland of location when moving downward, the location gland directly acts on positioning catheter moves downward positioning catheter, drives guide rod when positioning catheter is transported merit downwards and moves downward, and guide rod drives piston, piston ring moves downward; In the process that testing apparatus moves downward, pull bar does not stress, and dynamometer does not stress, and dynamometer does not detect reading; Work as piston, when piston ring moves downward to the cylinder sleeve bottom, stop motion, controlled motion mechanism drives support and moves upward, driving the location gland moves upward, the location gland moves upward and breaks away from positioning catheter thereupon, pull bar begins stressed when moving up to lower end caging bolt and positioning catheter contact position, pull bar drives positioning catheter, guide rod, piston, piston ring moves upward, pull bar is subjected to downward pulling force, pull bar spurs the external part of dynamometer simultaneously, dynamometer begins to show reading under the pulling of pull bar, shown reading is the friction force between piston ring and the cylinder sleeve bore.
Described dynamometry is counted plug-type dynamometer.
Be connected with bearing partition by contiguous block on the described support, bearing partition is connected with motion.
Described cylinder sleeve bottom is provided with pressing plate and bed hedgehopping piece, and cylinder sleeve is fixed on the worktable, and the heat transferred that prevents the cylinder sleeve generation simultaneously is to worktable.
Be connected by piston joint between described piston and the guide rod, be provided with heat insulating mattress between piston and the piston joint, prevent that the heat that piston motion produces from being spread out of by guide rod; Connect by web joint between described location gland and the support.
Cylinder sleeve inner hole friction force testing equipment of the present invention, pull bar does not stress when by design equipment being moved downward, plug-type dynamometer does not show reading, pull bar began stressed when equipment moved upward, pull bar spurs the external part of plug-type dynamometer, the reading that plug-type dynamometer shows is the friction force between piston ring and the cylinder sleeve bore, thereby can compare by the friction force that records with the standard cylinder sleeve, judges the honing quality grade of the cylinder sleeve bore of surveying.The detection method of testing apparatus of the present invention is compared with bench test, and test process is easy to operate, and the test duration shortens greatly, and work efficiency improves greatly, and has saved testing cost.
Description of drawings
Fig. 1 is the structural representation of cylinder sleeve inner hole friction force testing equipment.
Embodiment
Cylinder sleeve inner hole friction force testing equipment as shown in Figure 1, comprise guide rod 1, guide rod 1 lower end is connected with the piston 13 suitable with cylinder sleeve 12 by piston joint 11, be provided with heat insulating mattress 17 between piston 13 and the piston joint 11, prevent that the heat that piston 13 motions produce from being spread out of by guide rod 1, is equipped with piston ring on the piston 13; Guide rod 1 upper end is connected with positioning catheter 2, is provided with a pull bar 3 in the positioning catheter 2, and the bottom activity of pull bar 3 is arranged in the positioning catheter 2, and the lower end of pull bar 3 is provided with caging bolt 5 and carries out spacing; The top movable of pull bar 3 be arranged in the adaptive location gland 4 of positioning catheter 2 in, stretch out outside the gland 4 of location the upper end of pull bar 3; Location gland 4 is fixed on the support 7 by contiguous block 6, and plug-type dynamometer 8 is located on the cushion block 14 in the support 7, and the external part 18 of plug-type dynamometer 8 is connected with the upper end of pull bar 3, is connected with bearing partition 10 by contiguous block 9 on the support 7; Cylinder sleeve 12 bottoms are provided with pressing plate 15 and bed hedgehopping piece 16, and cylinder sleeve 12 is fixed on the worktable, and the heat transferred that prevents cylinder sleeve 12 generations simultaneously is to worktable.
The method of testing of cylinder sleeve inner hole friction force testing equipment, by bed hedgehopping piece 16 cylinder sleeve 12 is fixed on the worktable, then bearing partition 10 is connected with motion, motion is for providing the mechanism of power in the prior art, drive support 7 downward uniform motion by motion, support 7 drives location gland 4 and moves downward, location gland 4 makes positioning catheter 2 be inserted in the gland 4 of location when moving downward, location gland 4 directly acts on positioning catheter 2 moves downward positioning catheter 2, positioning catheter 2 drives guide rod 1 when transporting merit downwards and moves downward, and guide rod 1 drives piston 13, piston ring moves downward; In the process that testing apparatus moves downward, pull bar 3 does not stress, and plug-type dynamometer 8 does not stress, and plug-type dynamometer 8 does not detect reading; When piston 13 moves downward to cylinder sleeve 12 bottoms, stop motion, controlled motion mechanism drives upwards uniform motion of support 7, support 1 drives location gland 4 and moves upward, location gland 4 moves upward and breaks away from positioning catheter 2 thereupon, pull bar 3 begins stressed when moving up to lower end caging bolt 5 with positioning catheter 2 contact positions, pull bar 3 drives positioning catheter 2, guide rod 1, piston 13, piston ring moves upward, pull bar 3 is subjected to downward pulling force, pull bar 3 spurs the external part 18 of dynamometer simultaneously, plug-type dynamometer 8 begins to show reading under the pulling of pull bar 3, shown reading is the friction force between piston ring and cylinder sleeve 12 endoporus.Thereby can compare by the friction force that records with the standard cylinder sleeve, judge the honing quality grade of the cylinder sleeve of surveying 12 endoporus.
Claims (10)
1, a kind of cylinder sleeve inner hole friction force testing equipment, it is characterized in that: comprise guide rod, lower end of the guide rod is connected with the piston suitable with cylinder sleeve, piston ring is housed on the piston, the guide rod upper end is connected with positioning catheter, be provided with a pull bar in the positioning catheter, the bottom activity of pull bar is arranged in the positioning catheter, and the lower end of pull bar is provided with caging bolt; The top movable of pull bar be arranged in the adaptive location gland of positioning catheter in, the upper end of pull bar stretch out the location gland outside; Described location gland is fixed on the support, is provided with dynamometer in the support, and the external part of dynamometer is connected with the upper end of pull bar.
2, a kind of cylinder sleeve inner hole friction force testing equipment as claimed in claim 1, it is characterized in that: described dynamometry is counted plug-type dynamometer.
3, a kind of cylinder sleeve inner hole friction force testing equipment as claimed in claim 1 or 2 is characterized in that: be connected with bearing partition by contiguous block on the described support.
4, a kind of cylinder sleeve inner hole friction force testing equipment as claimed in claim 3 is characterized in that: described cylinder sleeve bottom is provided with pressing plate and bed hedgehopping piece.
5, a kind of cylinder sleeve friction force testing equipment as claimed in claim 4 is characterized in that: be connected by piston joint between described piston and the guide rod, be provided with heat insulating mattress between piston and the piston joint; Connect by web joint between described location gland and the support.
6, a kind of method of testing of cylinder sleeve inner hole friction force testing equipment as claimed in claim 1, it is characterized in that: cylinder sleeve is fixed on the worktable, driving support by motion moves downward, support drives the location gland and moves downward, the location gland makes positioning catheter be inserted in the gland of location when moving downward, the location gland directly acts on positioning catheter moves downward positioning catheter, drive guide rod when positioning catheter is transported merit downwards and move downward, guide rod drives piston, piston ring moves downward; In the process that testing apparatus moves downward, pull bar does not stress, and dynamometer does not stress, and dynamometer does not detect reading; Work as piston, when piston ring moves downward to the cylinder sleeve bottom, stop motion, controlled motion mechanism drives support and moves upward, driving the location gland moves upward, the location gland moves upward and breaks away from positioning catheter thereupon, pull bar begins stressed when moving up to lower end caging bolt and positioning catheter contact position, pull bar drives positioning catheter, guide rod, piston, piston ring moves upward, pull bar is subjected to downward pulling force, pull bar spurs the external part of dynamometer simultaneously, dynamometer begins to show reading under the pulling of pull bar, shown reading is the friction force between piston ring and the cylinder sleeve bore.
7, method of testing as claimed in claim 6 is characterized in that: described dynamometry is counted plug-type dynamometer.
8, as claim 6 or 7 described method of testings, it is characterized in that: be connected with bearing partition by contiguous block on the described support, bearing partition is connected with motion.
9, method of testing as claimed in claim 8 is characterized in that: described cylinder sleeve bottom is provided with pressing plate and bed hedgehopping piece.
10, method of testing as claimed in claim 9 is characterized in that: be connected by piston joint between described piston and the guide rod, be provided with heat insulating mattress between piston and the piston joint; Connect by web joint between described location gland and the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100655939A CN101608959B (en) | 2009-07-30 | 2009-07-30 | Cylinder sleeve inner hole friction force testing equipment and testing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100655939A CN101608959B (en) | 2009-07-30 | 2009-07-30 | Cylinder sleeve inner hole friction force testing equipment and testing method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608959A true CN101608959A (en) | 2009-12-23 |
| CN101608959B CN101608959B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100655939A Expired - Fee Related CN101608959B (en) | 2009-07-30 | 2009-07-30 | Cylinder sleeve inner hole friction force testing equipment and testing method therefor |
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| Country | Link |
|---|---|
| CN (1) | CN101608959B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018016A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Air cylinder and oil cylinder testing device |
| CN105181576A (en) * | 2015-10-14 | 2015-12-23 | 张家港保税区亚鑫精密制管有限公司 | Pipe inner wall friction coefficient detecting device for steel pipe for inner cylinder barrel of damper |
| CN105927615A (en) * | 2016-06-03 | 2016-09-07 | 南通纺都置业有限公司 | Device for detecting extending friction force of oil cylinder |
| CN109211448A (en) * | 2017-12-03 | 2019-01-15 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of telescopic barred body resistance to sliding measuring device of big L/D ratio |
-
2009
- 2009-07-30 CN CN2009100655939A patent/CN101608959B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018016A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Air cylinder and oil cylinder testing device |
| CN103018016B (en) * | 2011-09-26 | 2015-08-19 | 海洋王照明科技股份有限公司 | Cylinder, oil cylinder proving installation |
| CN105181576A (en) * | 2015-10-14 | 2015-12-23 | 张家港保税区亚鑫精密制管有限公司 | Pipe inner wall friction coefficient detecting device for steel pipe for inner cylinder barrel of damper |
| CN105927615A (en) * | 2016-06-03 | 2016-09-07 | 南通纺都置业有限公司 | Device for detecting extending friction force of oil cylinder |
| CN109211448A (en) * | 2017-12-03 | 2019-01-15 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of telescopic barred body resistance to sliding measuring device of big L/D ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101608959B (en) | 2011-01-12 |
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