CN202630851U - Measuring tool for measuring spatial size of end tooth space of turbine rotor - Google Patents
Measuring tool for measuring spatial size of end tooth space of turbine rotor Download PDFInfo
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- CN202630851U CN202630851U CN 201220286759 CN201220286759U CN202630851U CN 202630851 U CN202630851 U CN 202630851U CN 201220286759 CN201220286759 CN 201220286759 CN 201220286759 U CN201220286759 U CN 201220286759U CN 202630851 U CN202630851 U CN 202630851U
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- China
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- turbine rotor
- measurement
- end tooth
- outer ring
- cubing
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Abstract
The utility model relates to a measuring tool for measuring the spatial size of an end tooth space of a turbine rotor. The measuring tool comprises a turbine rotor (1) to be detected. The measuring tool is characterized by further comprising an outer ring (2) and a measuring block (3); the outer ring (2) is of a disc body with an inner hole (4), and is arranged at the large end of the turbine rotor (1); measuring pins (5) are arranged at two ends of the measuring block (3), the measuring block (3) is assembled in the outer ring (2), and the measuring pins (5) are arranged in the end tooth spaces (C) of the turbine rotor (1); and a lower end surface (m2) and a stepped surface (m3) of the outer ring (2) are both completely parallel to a stepped surface (m1) at the large end of the turbine rotor (1) and an upper surface (m4) of the measuring block (3). The measuring tool is simple in structure and convenient to use, and reliably realizes high-precision accurate determination on the spatial size of the end tooth spaces of the turbine rotor, thus further realizing the localization batch production of key parts.
Description
Technical field
The utility model relates to the manufacturing of gas turbine, relates in particular to a kind of mach appliance special for detecting of gas turbine turbine rotor that is used for, and is specifically related to a kind of cubing of measuring turbine rotor end tooth slot space size.
Background technology
In the manufacture process of gas turbine, there is a vital part---turbine rotor gas turbine inside, the turbine rotor shown in its structure such as the Figure of description, and its major part end is evenly equipped with 18 end tooth groove C.In the actual production, two the major criterion size b of this end tooth groove C and the measurement point of e are space virtual point Q1 and can't catching, so general or special-purpose in the prior art; Like ring thread gage, feeler gauge, tapering length bar; Calliper or the like machine work cubing all can not realize the measurement to this turbine rotor end tooth groove C size; Finally cause this vital part, each producer can't produce at home, can only rely on the present situation of import.And the procurement price of this vital part of import is more than 20,000 yuan of each turbine rotor in using, and its application cost is very high.
The utility model content
The purpose of the utility model is to provide a kind of cubing of measuring turbine rotor end tooth slot space size, and this cubing can realize the accurate measurement to turbine rotor, and then can realize accurately machine work production of turbine rotor.
The purpose of the utility model is achieved in that
A kind of cubing of measuring turbine rotor end tooth slot space size, it comprises turbine rotor to be detected, it is characterized in that: it also comprises outer ring and measurement block; Said outer ring is the disc-shaped bodies that has endoporus, and it is assemblied in the stub end of turbine rotor; The two ends of said measurement block have high-precision measurement pin, and this measurement block is assemblied in the outer ring, and it is measured pin and is assemblied in the end tooth groove of turbine rotor.
The two is all parallel fully with the upper surface of the step surface of turbine rotor stub end and measurement block for the lower surface of above-mentioned outer ring and step surface.The higher level degree that these planes all have makes each surface irregularity be controlled in 0.008 millimeter, and the better parallel degree can fully guarantee the good fit between correlation plane, and then guarantee the accurate measurement of follow-up relative dimensions each other.
Above-mentioned outer ring is to be assemblied on the anchor ring that the end tooth groove of turbine rotor stub end forms through endoporus.Between the anchor ring that the end tooth groove of endoporus and turbine rotor stub end is formed in the production; The preferred employing selects for use the fit system of H6/h5, G6/h5 or F6/h5 to cooperate by basic shaft system; The gap that cooperates in this way is in 0～0.03, and relative position and assembly relation that such fit has been fixed the two are that follow-up accurate measurement provides assurance.For example: when the fit system of selecting H6/h5 for use cooperated, H6 was the tolerance code name of outer ring endoporus, and h5 is the tolerance code name of the anchor ring formed of the end tooth groove of turbine rotor stub end, and the gap of its cooperation is in 0～0.03.
The side, two ends of above-mentioned measurement block is high-precision arc surface; Measurement block is assemblied in the endoporus of outer ring through this arc surface.In the production between outer ring endoporus and the measurement block arc surface; The preferred employing selects for use the fit system of H6/g5, H6/h5 or H6/f5 to cooperate by basic hole system; The gap that cooperates in this way is in 0～0.03; Such fit has further been confirmed the particular location of measurement block in this cubing, has guaranteed follow-up accurate measurement.For example: when the fit system of selecting H6/ g5 for use cooperated, H6 was the tolerance code name of outer ring endoporus, and g5 is the tolerance code name of measurement block arc surface, and the gap that cooperates in this way is in 0～0.03.
The anchor ring radial concentric that the end tooth groove of the arc surface on the above-mentioned measurement block, the endoporus of outer ring and turbine rotor to be detected is formed, it all has cylindricity preferably, higher precision.
Measurement pin on the above-mentioned measurement block, its truncation surface is in the shape of the letter V, and the longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; The controlling dimension of the space virtual measurement point on it designs in strict accordance with the controlling dimension of the space virtual measurement point on the end tooth groove; So that overlapping fully, the measurement point on measurement point on the measurement pin and the end tooth groove is as the criterion, in order to guarantee that measuring pin can fit tightly with the end tooth groove.
Also disclosing simultaneously in the utility model and adopted the measuring process of above-mentioned cubing to turbine rotor end tooth slot space size, also is the method for application of above-mentioned cubing, and it is specific as follows said:
1, cleans out turbine rotor end tooth groove interior iron filings and burr,, turbine rotor to be detected, outer ring and measurement block assembling are posted according to above-mentioned fit.
2, accurately measure the distance L of the upper surface of measurement block, add the step thicknesses A of the outer ring that has accurately measured, deduct the standard size H of the measurement block of accurately measuring to the step surface of outer ring, thus the end tooth groove size that can obtain surveying, i.e. (L+A-H); When the end tooth groove size (L+A-H) that has obtained actual measurement, another size e ' has drawn thereupon.Wherein, The standard size H of measurement block; Be certain value, actual measuring to the measurement block processing time, it is to obtain through the upper surface of measurement point selected on the measurement pin apart from measurement block; This measurement point is when measuring pin and fit fully with turbine rotor end tooth groove, and the measurement point on its proper and end tooth groove overlaps fully.
The end tooth groove size (L+A-H) of the actual measurement that 3, will obtain through above-mentioned steps is compared with the standard size b of end tooth groove: if (L+A-H)>b, explain that then this end tooth groove also has process redundancy, then continue processing; If (L+A-H) <b, and in the tolerance of b value, the end tooth groove size that this actual measurement then is described shows promptly that also this part is qualified, need not reprocess within franchise is arranged.
The utlity model has following beneficial effect:
Cubing in the utility model is simple in structure, easy to use, has realized reliably the high-precision accurate mensuration of turbine rotor end tooth slot space size, and then has realized this vital part production domesticization batch process; Like the existing turbine rotor that goes out through the cubing production and processing of adopting among the present invention; Its buying expenses is reduced to every turbine rotor and is needed only several thousand yuan, and single-piece promptly will be practiced thrift more than 10,000 yuan, thereby greatly reduces production cost; Increase the performance of enterprises, also promoted the market competitiveness of enterprise.
Description of drawings
Fig. 1 is the front view of cubing structure described in the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of the measurement block in the utility model embodiment 1 said cubing.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the right view of Fig. 3.
Fig. 6 is the top view of Fig. 3.
Fig. 7 is the enlarged diagram of the partial structurtes that mark out among Fig. 3.
Fig. 8 is the structural representation of the outer ring in the utility model embodiment 1 said cubing.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the structural representation of the turbine rotor in the utility model embodiment 1 said cubing.
Figure 11 is the vertical view of Figure 10.
Figure 12 is the enlarged diagram of the partial structurtes that mark out among Figure 10.
Figure 13 is that the M of Figure 12 is to view.
Figure 14 is the structural representation of the measurement block in the utility model embodiment 2 said cubings.
Figure 15 is the vertical view of Figure 14.
Figure 16 is the right view of Figure 14.
Figure 17 is the enlarged diagram of the partial structurtes that mark out among Figure 14.
Embodiment
Through embodiment the utility model is specifically described below; Be necessary to be pointed out that at this; Following examples only are used for the utility model is further explained; Can not be interpreted as the restriction to the utility model protection domain, the person skilled in the art in this field can make some nonessential improvement and adjustment to the utility model according to above-mentioned utility model content.
Shown in Figure of description 1-12, a kind of cubing of measuring turbine rotor end tooth slot space size, gauge material---measuring instrument steel (CrWMn) is through conventional cold treatment, and finishing forms by commonly used for it; It comprises turbine rotor to be detected 1, outer ring 2 and measurement block 3; Outer ring 2 is for having the disc-shaped bodies of endoporus 4; On the anchor ring that the end tooth groove C that it selects for use the H6/h5 fit system to be assemblied in the stub end of turbine rotor 1 through endoporus 4 by basic shaft system forms (H6 is the tolerance code name of endoporus 4; H5 is the tolerance code name of the anchor ring formed of the end tooth groove C of turbine rotor 1 stub end, and the gap that cooperates in this way is in 0～0.03); The two ends of measurement block 3 have high-precision measurement pin 5, and it is measured pin 5 and is assemblied in the end tooth groove C of turbine rotor 1; The side, two ends of measurement block 3 is high-precision arc surface y2; And measurement block 3 selects for use the H6/g5 fit system to be assemblied in that (H6 is the tolerance code name of endoporus 4 in the endoporus 4 of outer ring 2 through this arc surface y2 by basic hole system; G5 is the tolerance code name of measurement block 3 circular arcs, and the gap that cooperates in this way is in 0～0.03); The lower surface m2 of outer ring 2 and step surface m3 the two all the two is parallel fully with the upper surface m4 of the step surface m1 of turbine rotor 1 stub end and measurement block 3; The anchor ring y1 radial concentric that the end tooth groove C of the arc surface y2 on the measurement block 3, the endoporus 4 of outer ring 2 and turbine rotor 1 to be detected forms; Measurement pin 5 on the measurement block 3, its truncation surface such as V font, and longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; The controlling dimension B at the space virtual measurement point Q2 place on it designs in strict accordance with the controlling dimension B at the space virtual measurement point Q1 place on the end tooth groove C; So that overlapping fully, measurement point Q2 on the measurement pin 5 and the measurement point Q1 on the end tooth groove C be as the criterion, in order to guarantee that measuring pin 5 can fit tightly with end tooth groove C;
The method of application of this cubing is described below:
1, cleans out turbine rotor 1 end tooth groove C interior iron filings and burr,, turbine rotor to be detected 1, outer ring 2 and measurement block 3 assemblings are posted according to above-mentioned fit;
2, accurately measure to such an extent that the distance L of the upper surface m4 of measurement block 32 the step surface m3 to the outer ring is 20.08 millimeters; The step thicknesses A that adds the outer ring 2 that has accurately measured is 10.03 millimeters; The standard size H that deducts the measurement block of accurately measuring is 19.97 millimeters, thereby the end tooth groove C ' size (L+A-H) that can obtain surveying is 10.14 millimeters; Wherein, Standard size H in the measurement block 3 is 19.97 millimeters; Be certain value, actual measuring to measurement block 3 processings the time, it is to obtain apart from the upper surface m4 of measurement block 3 through measuring the measurement point Q2 that chooses on it; When this measurement point Q2 overlapped with turbine rotor 1 end tooth groove C when measurement pin 5 fully, it just overlapped with measurement point Q1 fully.
3, compare and can know with the standard size b (10.15 ± 0.01 millimeters) of end tooth groove C by (L+A-H): (L+A-H) b, but in the tolerance of b (10.15 ± 0.01 millimeters) value, show promptly that also this part is qualified, need not reprocess.
4 when the end tooth groove size (L+A-H) that obtain actual measurement be 10.14 millimeters; Another size e ' has also just drawn thereupon and has been 2.44 millimeters (turbine rotor end tooth groove bench height value is that definite value up till now was worth at processing end tooth groove and carries out; When the b of public measurement point Q1 value to the time, e ' has also just reached drawing requirement).
A kind of cubing of measuring turbine rotor end tooth slot space size; Shown in Figure of description 14-17; The side, two ends of the measurement block 3 in its structure is high-precision plane y2; And measurement block 3 selects for use the H6/f5 fit system to be assemblied in the endoporus 4 interior (H6 is the tolerance code name of endoporus 4, and f5 is the tolerance code name of measurement block 3 circular arcs, and the gap that cooperates in this way is in 0～0.03) of outer ring 2 through this plane y2 by basic hole system; On the anchor ring that the end tooth groove C that its outer ring 2 selects for use the G6/h5 fit system to be assemblied in the stub end of turbine rotor 1 through endoporus 4 by basic shaft system forms (G6 is the tolerance code name of endoporus 4; H5 is the tolerance code name of the anchor ring formed of the end tooth groove C of turbine rotor 1 stub end, and the gap that cooperates in this way is in 0～0.03); The anchor ring y1 radial concentric that the end tooth groove C of the endoporus 4 of outer ring 2 and turbine rotor 1 to be detected forms; Other structures in this cubing are all identical with embodiment 1 described cubing structure.
A kind of cubing of measuring turbine rotor end tooth slot space size; On the anchor ring that the end tooth groove C that outer ring 2 in its structure selects for use the F6/h5 fit system to be assemblied in the stub end of turbine rotor 1 through endoporus 4 by basic shaft system forms (F6 is the tolerance code name of endoporus 4; H5 is the tolerance code name of the anchor ring formed of the end tooth groove C of turbine rotor 1 stub end, and the gap that cooperates in this way is in 0～0.03); Measurement block 3 selects for use the H6/h5 fit system to be assemblied in the endoporus 4 interior (H6 is the tolerance code name of endoporus 4, and h5 is the tolerance code name of measurement block 3 circular arcs, and the gap that cooperates in this way is in 0～0.03) of outer ring 2 through this arc surface y2 by basic hole system; Other structures in this cubing are all identical with embodiment 1 described cubing structure.
The method of application of this cubing is described below:
1, cleans out turbine rotor 1 end tooth groove C interior iron filings and burr,, turbine rotor to be detected 1, outer ring 2 and measurement block 3 assemblings are posted according to above-mentioned fit;
2, accurately measure to such an extent that the distance L of the upper surface m4 of measurement block 32 the step surface m3 to the outer ring is 19.35 millimeters; The step thicknesses A that adds the outer ring 2 that has accurately measured is 9.98 millimeters; The standard size H that deducts the measurement block of accurately measuring is 19.91 millimeters, thereby the end tooth groove C ' size (L+A-H) that can obtain surveying is 9.42 millimeters; Wherein, Standard size H in the measurement block 3 is 19.91 millimeters; Be certain value, actual measuring to measurement block 3 processings the time, it is to obtain apart from the upper surface m4 of measurement block 3 through measuring the measurement point Q2 that chooses on it; When this measurement point Q2 overlapped with turbine rotor 1 end tooth groove C when measurement pin 5 fully, it just overlapped with measurement point Q1 fully.
3, compare and can know with the standard size b (9.43 ± 0.012) of end tooth groove C by (L+A-H): (L+A-H) b, and within the franchise of end tooth groove size b, show promptly that also this part is qualified, need not reprocess.
4, when the end tooth groove size (L+A-H) that has obtained actual measurement; Another size e ' has also just drawn thereupon and has been 3.93 millimeters (turbine rotor end tooth groove bench height value is that definite value up till now was worth at processing end tooth groove and carries out; When the b of public measurement point Q1 value to the time, e ' has also just reached drawing requirement).
Claims (10)
1. cubing of measuring turbine rotor end tooth slot space size, it comprises turbine rotor to be detected (1), it is characterized in that: it also comprises outer ring (2) and measurement block (3); Said outer ring (2) is for having the disc-shaped bodies of endoporus (4), and it is assemblied in the stub end of turbine rotor (1); The two ends of said measurement block (3) have measures pin (5), and this measurement block (3) is assemblied in the outer ring (2), and it is measured pin (5) and is assemblied in the end tooth groove (C) of turbine rotor (1); The two is all parallel fully with the upper surface (m4) of the step surface (m1) of turbine rotor (1) stub end and measurement block (3) for the lower surface (m2) of said outer ring (2) and step surface (m3).
2. the cubing of measurement turbine rotor end tooth slot space size according to claim 1 is characterized in that: said outer ring (2) are to be assemblied on the anchor ring (y1) that the end tooth groove (C) of turbine rotor (1) stub end forms through endoporus (4).
3. the cubing of measurement turbine rotor end tooth slot space size according to claim 1 and 2 is characterized in that: the side, two ends of said measurement block (3) is arc surface (y2); Measurement block (3) is assemblied in the endoporus (4) of outer ring (2) through this arc surface (y2).
4. the cubing of measurement turbine rotor end tooth slot space size according to claim 3 is characterized in that: anchor ring (y1) radial concentric that the end tooth groove (C) of the arc surface (y2) on the said measurement block (3), the endoporus (4) of outer ring (2) and turbine rotor (1) to be detected is formed.
5. the cubing of measurement turbine rotor end tooth slot space size according to claim 3; It is characterized in that: between the anchor ring (y1) that the end tooth groove (C) of said endoporus (4) and turbine rotor (1) stub end is formed, adopt and select for use the fit system of H6/h5, G6/h5 or F6/h5 to cooperate by basic shaft system; Between said outer ring (2) endoporus (4) and measurement block (3) arc surface (y2), adopt and select for use the fit system of H6/g5, H6/h5 or H6/f5 to cooperate by basic hole system.
6. the cubing of measurement turbine rotor end tooth slot space size according to claim 4; It is characterized in that: between the anchor ring (y1) that the end tooth groove (C) of said endoporus (4) and turbine rotor (1) stub end is formed, adopt and select for use the fit system of H6/h5, G6/h5 or F6/h5 to cooperate by basic shaft system; Between said outer ring (2) endoporus (4) and measurement block (3) arc surface (y2), adopt and select for use the fit system of H6/g5, H6/h5 or H6/f5 to cooperate by basic hole system.
7. the cubing of measurement turbine rotor end tooth slot space size according to claim 1 and 2 is characterized in that: the measurement pin (5) on the said measurement block (3), and its truncation surface is in the shape of the letter V, and the longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; Controlling dimension (B) design that the controlling dimension (B) that space virtual measurement point (Q2) on it is located is located in strict accordance with the space virtual measurement point (Q1) on the end tooth groove (C).
8. the cubing of measurement turbine rotor end tooth slot space size according to claim 3 is characterized in that: the measurement pin (5) on the said measurement block (3), and its truncation surface is in the shape of the letter V, and the longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; Controlling dimension (B) design that the controlling dimension (B) that space virtual measurement point (Q2) on it is located is located in strict accordance with the space virtual measurement point (Q1) on the end tooth groove (C).
9. the cubing of measurement turbine rotor end tooth slot space size according to claim 4 is characterized in that: the measurement pin (5) on the said measurement block (3), and its truncation surface is in the shape of the letter V, and the longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; Controlling dimension (B) design that the controlling dimension (B) that space virtual measurement point (Q2) on it is located is located in strict accordance with the space virtual measurement point (Q1) on the end tooth groove (C).
10. the cubing of measurement turbine rotor end tooth slot space size according to claim 5 is characterized in that: the measurement pin (5) on the said measurement block (3), and its truncation surface is in the shape of the letter V, and the longitudinal axis symmetry, the height such as corresponding point on its inclined-plane; Controlling dimension (B) design that the controlling dimension (B) that space virtual measurement point (Q2) on it is located is located in strict accordance with the space virtual measurement point (Q1) on the end tooth groove (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286759 CN202630851U (en) | 2012-06-19 | 2012-06-19 | Measuring tool for measuring spatial size of end tooth space of turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286759 CN202630851U (en) | 2012-06-19 | 2012-06-19 | Measuring tool for measuring spatial size of end tooth space of turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202630851U true CN202630851U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220286759 Expired - Lifetime CN202630851U (en) | 2012-06-19 | 2012-06-19 | Measuring tool for measuring spatial size of end tooth space of turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202630851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524864A (en) * | 2016-12-19 | 2017-03-22 | 南京磁谷科技有限公司 | Rapid rotor measurement tooling |
| CN114061401A (en) * | 2021-11-23 | 2022-02-18 | 西安陕鼓动力股份有限公司 | Method for detecting tooth height of straight tooth end face |
-
2012
- 2012-06-19 CN CN 201220286759 patent/CN202630851U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524864A (en) * | 2016-12-19 | 2017-03-22 | 南京磁谷科技有限公司 | Rapid rotor measurement tooling |
| CN114061401A (en) * | 2021-11-23 | 2022-02-18 | 西安陕鼓动力股份有限公司 | Method for detecting tooth height of straight tooth end face |
| CN114061401B (en) * | 2021-11-23 | 2024-02-06 | 西安陕鼓动力股份有限公司 | Method for detecting tooth height of straight tooth end face |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20121226 |