CN202300972U - Parallelism measuring instrument for compressor connecting rod - Google Patents
Parallelism measuring instrument for compressor connecting rod Download PDFInfo
- Publication number
- CN202300972U CN202300972U CN2011203759275U CN201120375927U CN202300972U CN 202300972 U CN202300972 U CN 202300972U CN 2011203759275 U CN2011203759275 U CN 2011203759275U CN 201120375927 U CN201120375927 U CN 201120375927U CN 202300972 U CN202300972 U CN 202300972U
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- CN
- China
- Prior art keywords
- mobile jib
- rod
- measuring instrument
- parallelism measuring
- compressor connecting
- 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.)
- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a parallelism measuring instrument for a compressor connecting rod. The parallelism measuring instrument comprises a primary rod adjusting component, a secondary rod, an indicating component and a fixing component, wherein the primary rod component comprises a primary rod; one end of the primary rod is sleeved on the outer wall of the secondary rod, and the other end of the primary rod is connected with a positioning rod; one end of the secondary rod is inserted into the primary rod, and the other end of the secondary rod is arranged outside the primary rod adjusting component in an extending manner and is connected with the indicating component; and the fixing component is arranged on the outer side of the primary rod and is used for fixing the relative movement of the primary rod and the secondary rod. The primary rod adjusting component also comprises the positioning rod; and the positioning rod is provided with a measurement fixed point lug. The parallelism measuring instrument has the advantages of simple structure, low manufacturing cost and high measurement accuracy, reduces labor intensity and improves the working efficiency.
Description
Technical field
The utility model relates to a kind of detector, is specifically related to a kind of compressor connecting bar parallelism measuring instrument.
Background technique
Reciprocal compressor is existing more than 150 year history since coming out; Particularly modern petrochemical enterprise, large-scale power enterprise, super-huge colliery industry; Used widely; It almost can compress natural most of gas, and the power of motor maximum can reach several ten thousand KW, and the outlet pressure of compressor can design accomplishes several thousand Mpa.Compressor connecting bar is as one of vitals of compressor; Its effect is played the great power that is passed out by motor and is changed straight to-and-fro motion by rotatablely moving through coupling, bent axle, connecting rod; Thereby, finally reach the process of whole pressurized gas by hundreds of inferior the moving back and forth of crosshead, piston rod, piston, filler ring, piston ring, the per minute of import and export air valve in cylinder of compressor.
The long-term oepration at full load of compressor is that the mechanical fatigue degree of compressor connecting bar increases, and mechanical strength reduces, and as shown in Figure 1, the connecting rod parallelism is major part watt 61 center lines and microcephaly's watt parallel degree of 62 center lines of connecting rod 6.As shown in Figure 3; The measurement of paralleism device of existing technology; Earlier connecting rod is sling; Be respectively charged in the major part watts 61, microcephaly watts 62 with two vacations 7 of gray cast iron or spheroidal graphite cast iron processing, fill in respectively in the gap between dummy shaft 7 and the major part watts 61, microcephaly watts 6 with clearance gauge or stainless steel then, make dummy shaft 7 and connecting rod 6 loosening.With the left and right sides of internal micrometer 8 difference shafts 63, measure the minimum clearance between two dummy shafts of compressor connecting bar at last, its deviation is exactly the tortuosity of connecting rod.This measurement device error is big, labor intensity is high, needs multi agent cooperation can accomplish measurement.
The model utility content
The utility model provides a kind of compressor connecting bar parallelism measuring instrument, and this detector is simple in structure, low cost of manufacture, measuring accuracy high, alleviated labor intensity, improved working efficiency.
In order to achieve the above object, a kind of compressor connecting bar parallelism measuring instrument of the utility model is realized through following technological scheme:
A kind of compressor connecting bar parallelism measuring instrument is characterized in, this detector comprises mobile jib and regulates parts, secondary bar, indicating device and fixed component;
Described mobile jib parts comprise mobile jib, and described mobile jib one end is set on the secondary bar outer wall, and the other end links to each other with positioning rod;
Described secondary bar one end is inserted in the mobile jib, and its other end extension is arranged on mobile jib and regulates outside the parts, and links to each other with indicating device;
Described fixed component is arranged on the outside of mobile jib, is used for fixing the described mobile jib adjusting of relatively moving of mobile jib and secondary bar parts and also comprises positioning rod;
Described positioning rod is provided with measures the immovable point projection.
The indication pole that described indicating device comprises dial indicator, links to each other with secondary bar; Described dial indicator is arranged on the indication pole.
The measurement immovable point projection of the gauge outfit of described dial indicator and positioning rod is on the same installation axis.
Described fixed component comprises several retaining screws, and described retaining screw passes mobile jib and holds out against the outer surface of secondary bar.
Also comprise positioning element, described positioning element withstands shaft at least two set screws, described set screw is arranged on the mobile jib outer wall at interval.
A kind of compressor connecting bar parallelism measuring instrument of the utility model compared with prior art has the following advantages:
The utility model only adopts component-assembled such as simple mobile jib, secondary bar and dial indicator to become complete detector, low cost of manufacture.
The utility model receives externalities less owing to directly con-rod only is measured, and measuring accuracy is 99%, general error 0.01mm.General each measurement time can be controlled within 2 minutes, and working efficiency is provided.
Description of drawings
The compressor connecting bar crooked figure of Fig. 1 for amplifying;
Fig. 2 is the structural representation of a kind of compressor connecting bar parallelism measuring instrument of the utility model;
Fig. 3 is the compressor connecting bar measurement of paralleism device of available technology adopting.
Embodiment
Below in conjunction with accompanying drawing,, the utility model is done further elaboration through specifying a preferable specific embodiment.
As shown in Figure 2, a kind of compressor connecting bar parallelism measuring instrument comprises mobile jib and regulates parts 1, secondary bar 2, indicating device, fixed component and positioning element; Described mobile jib is regulated the positioning rod 12 that parts 1 comprise mobile jib 11, link to each other with mobile jib 11; Described positioning rod 12 is provided with measures immovable point projection 121.
Described secondary bar 2 one ends are inserted in the mobile jib 11, and its other end extension is arranged on outside the mobile jib 11, and links to each other with indicating device, and secondary bar 2 can slide up and down along mobile jib 11.
Said fixed component is several retaining screws 41; It is arranged on the mobile jib 11 and with the joint of secondary bar 2; After the length adjustment in the secondary bar 2 insertion mobile jibs 11 finishes; Described plurality of fixed screw 41 passes mobile jib 11 and holds out against the outer surface of secondary bar 2, makes secondary bar 2 be fixed on the position in the current insertion mobile jib 11.
The indication pole 32 that described indicating device comprises dial indicator 31, links to each other with secondary bar 2; Described dial indicator 31 is arranged on the indication pole 32.The measurement immovable point projection 121 of the gauge outfit of dial indicator 31 and positioning rod 12 is on the same installation axis.
Described positioning element is a pair of set screw 51, and described set screw 51 is arranged on mobile jib 11 outer walls.
As shown in Figure 1; The connecting rod parallelism is major part watt 61 center lines and microcephaly's watt parallel degree of 62 center lines of connecting rod 6; The i.e. parallel error maximum permissible value of two center lines, during actual measurement, the measured value of shaft 63 left and right sides that we can simplified measurement connecting rod 6 poor.As shown in Figure 2, at first assemble the compressor connecting bar parallelism measuring instrument, then the compressor connecting bar parallelism measuring instrument is installed in the right side of connecting rod 6; A pair of set screw 51 withstands on shaft 63 upper-lower position places; Unclamp retaining screw 41, regulate the length between mobile jib 11, the secondary bar 2, make the distance between the measurement immovable point projection 121 of gauge outfit and positioning rod 12 of dial indicator 31; Suitable with shaft 63 length; Be the bottom of the projection 121 contact shafts 63 on the measurement immovable point of said positioning rod 12, the gauge outfit of said dial indicator 31 then contacts shaft 63 tops, reads the numerical value of dial indicator 31; At last, the compressor connecting bar parallelism measuring instrument is installed in the left side of connecting rod 6 again, equally according to above-mentioned steps, reads the numerical value of dial indicator 31, the difference of the left side of disjunctor bar 6 and right side measured value is exactly the parallelism difference of connecting rod 6.
Can make the described compressor connecting bar parallelism measuring instrument of the utility model to carry out the measurement of paralleism through mobile jib 11 of adjusting the utility model and the collapsing length between the secondary bar 2 to the connecting rod 6 of different size length.
In sum, simple in structure, the low cost of manufacture of a kind of compressor connecting bar parallelism measuring instrument of the utility model, measuring accuracy high, alleviated labor intensity, improved working efficiency.
Although the content of the utility model has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to the restriction to the utility model.After those skilled in the art have read foregoing, for the multiple modification of the utility model with to substitute all will be conspicuous.Therefore, the protection domain of the utility model should be limited appended claim.
Claims (6)
1. a compressor connecting bar parallelism measuring instrument is characterized in that, this detector comprises mobile jib and regulates parts (1), secondary bar (2), indicating device and fixed component;
Described mobile jib parts (1) comprise mobile jib (11), and described mobile jib (11) one ends are set on secondary bar (2) outer wall, and the other end links to each other with positioning rod (12);
Described secondary bar (2) one ends are inserted in the mobile jib (11), and its other end extension is arranged on mobile jib and regulates outside the parts (1), and links to each other with indicating device;
Described fixed component is arranged on the outside of mobile jib (11), is used for fixing relatively moving of mobile jib (11) and secondary bar (2).
2. compressor connecting bar parallelism measuring instrument according to claim 1 is characterized in that, described mobile jib is regulated parts (1) and also comprised positioning rod (12);
Described positioning rod (12) is provided with measures immovable point projection (121).
3. compressor connecting bar parallelism measuring instrument according to claim 1 is characterized in that, the indication pole (32) that described indicating device comprises dial indicator (31), links to each other with secondary bar (2); Described dial indicator (31) is arranged on the indication pole (32).
4. compressor connecting bar parallelism measuring instrument according to claim 3 is characterized in that, the measurement immovable point projection (121) of the gauge outfit of described dial indicator (31) and positioning rod (12) is on the same installation axis.
5. compressor connecting bar parallelism measuring instrument according to claim 1 is characterized in that, described fixed component comprises several retaining screws (41), and described retaining screw (41) passes mobile jib (11) and holds out against the outer surface of secondary bar (2).
6. compressor connecting bar parallelism measuring instrument according to claim 1; It is characterized in that, also comprise positioning element, described positioning element is at least two set screws (51); Described set screw (51) is arranged on mobile jib (11) outer wall at interval, withstands shaft (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203759275U CN202300972U (en) | 2011-09-28 | 2011-09-28 | Parallelism measuring instrument for compressor connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203759275U CN202300972U (en) | 2011-09-28 | 2011-09-28 | Parallelism measuring instrument for compressor connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300972U true CN202300972U (en) | 2012-07-04 |
Family
ID=46369881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203759275U Expired - Fee Related CN202300972U (en) | 2011-09-28 | 2011-09-28 | Parallelism measuring instrument for compressor connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287363A (en) * | 2011-09-28 | 2011-12-21 | 上海高桥捷派克石化工程建设有限公司 | Device for measuring parallelism of compressor connecting rod |
| CN114910049A (en) * | 2022-03-17 | 2022-08-16 | 中国航发沈阳发动机研究所 | Measuring tool for measuring inclination of expanding ring in shaft cavity |
-
2011
- 2011-09-28 CN CN2011203759275U patent/CN202300972U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287363A (en) * | 2011-09-28 | 2011-12-21 | 上海高桥捷派克石化工程建设有限公司 | Device for measuring parallelism of compressor connecting rod |
| CN114910049A (en) * | 2022-03-17 | 2022-08-16 | 中国航发沈阳发动机研究所 | Measuring tool for measuring inclination of expanding ring in shaft cavity |
| CN114910049B (en) * | 2022-03-17 | 2023-10-10 | 中国航发沈阳发动机研究所 | Tool for measuring inclination of shaft cavity inner expansion ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20170928 |