CN211783158U - Impeller, leaf disc class part rapid survey frock - Google Patents
Impeller, leaf disc class part rapid survey frock Download PDFInfo
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- CN211783158U CN211783158U CN202020468759.3U CN202020468759U CN211783158U CN 211783158 U CN211783158 U CN 211783158U CN 202020468759 U CN202020468759 U CN 202020468759U CN 211783158 U CN211783158 U CN 211783158U
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- impeller
- base
- indexing
- disc
- mounting surface
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Abstract
The utility model relates to the technical field of impeller and leaf disc part measurement, in particular to a rapid measurement tool for impeller and leaf disc parts, which comprises a base, wherein the mounting surface of the base is of a circular structure, a centering shaft is arranged at the circle center of the circular mounting surface, and an annular groove is processed at the circumferential edge part of the circular mounting surface; the indexing ring is arranged in the annular groove, and a plurality of indexing holes are uniformly formed in the upper surface of the indexing ring; the rotary disc is of a disc structure, a center hole is formed in the circle center of the rotary disc, and the rotary disc is installed on the centering shaft of the base through the center hole. Adopt the utility model discloses a frock is measured to impeller class part has solved among the prior art that the part measurement basis can't be unified with the machining basis, and blade measurement of efficiency is low, and the impeller is beated the problem that detection error is big.
Description
Technical Field
The utility model relates to an impeller, leaf dish type part measure technical field, especially relate to an impeller, leaf dish type part rapid survey frock.
Background
At present, in order to improve the universality of three-coordinate measuring machines equipped in most mechanical manufacturing plants, bridge type three-coordinate measuring machines using a rotary measuring base and a fixed platform are selected, for example: HEXAGON and GLOBAL scan one by one and take a little to measure along a plurality of blade profiles of central axial equipartition after the gauge head need calibrate under a plurality of different angles in actual impeller measurement process, all need a set of measurement procedure under every angle, and final evaluation must use best fit just can demonstrate comparatively ideal face profile degree, can not objective reflection every blade's actual deviation value, causes the difficulty for the later stage judgement blade profile partial deviation condition.
In the blade profile detection, except for a central hole of the blade wheel, the axis of the platform is used as a main reference, and the angular reference is particularly important, but the actual angular reference establishment process is established by fitting certain specific points on the blade profile at present, and the reference is not unified by utilizing two pin holes on the back of the blade wheel positioned in the machining process due to errors.
In addition, the runout of the outer part of the impeller (including the maximum outer circle of an outer meridian) is an important detection index of the impeller, a runout instrument is adopted for performing meter-drawing detection according to relevant industrial standards, but the runout is limited to the fact that the central hole of part of the impeller is small, the diameter of the impeller is large, the mass of the impeller is large, the rigidity of a mandrel tool is poor, and stable clamping is difficult, so that a three-coordinate measuring machine cannot be used for runout detection well in the actual operation process, and due to the fact that a reference shaft building error and a detected surface sampling point error are caused, the measured runout value is often larger than the actual runout value, and the.
In view of this, it is necessary to improve a measurement tool for parts such as an impeller and a blade disc in the prior art, so as to solve the problems that the measurement reference and the processing reference of the parts cannot be unified, the blade measurement efficiency is low, and the impeller runout detection error is large.
Disclosure of Invention
The utility model aims to solve among the prior art part measuring basis and processing basis can't be unified, blade measurement of efficiency is low, and the problem that impeller run-out detection error is big provides an impeller, leaf dish class part rapid survey frock.
The technical scheme for realizing the purpose of the utility model is as follows:
the utility model provides an impeller, bladed disk class part rapid survey frock, includes:
the mounting surface of the base is of a circular structure, a centering shaft is arranged at the center of the circular mounting surface, and an annular groove is processed at the circumferential edge of the circular mounting surface;
the indexing ring is arranged in the annular groove, and a plurality of indexing holes are uniformly formed in the upper surface of the indexing ring;
the rotary disc is of a disc structure, a center hole is formed in the circle center of the rotary disc, and the rotary disc is installed on the centering shaft of the base through the center hole.
Compare in prior art, the impeller of this scheme, impeller class part rapid survey frock uses centering shaft as the center with rotary disk and base, connects the centering to fix the indexing ring on the base, the indexing ring passes through the pinhole with the rotary disk and the locating pin links firmly, and fixes a position through joining in marriage the taper pin hole with the base.
Furthermore, the number of the indexing holes on the indexing ring is consistent with the number of the blades of the impeller to be tested, and the indexing ring is detachably mounted in the annular groove of the base.
The number of the indexing holes of the indexing ring is uniformly distributed according to the number of the blades, the indexing ring is detachably arranged in the annular groove, and the indexing ring can be replaced according to the required indexing number.
Further, the mounting surface of the base is symmetrically provided with a track groove, and a ball body is placed in the track groove.
The rolling ball is used as an end face support to assist in centering.
Furthermore, a rolling groove is correspondingly processed on one surface of the rotating disc matched with the base mounting surface.
The rolling groove on the rotating disc and the corresponding rolling groove on the mounting surface of the base form a containing space of the rolling ball body, so that the rolling and centering of the rolling ball body are facilitated.
Further, a bearing is installed between the central hole of the rotating disc and the centering shaft on the base, the bearing is a graphite copper bearing, and the bearing is in interference fit with the rotating disc.
The rotating disc is connected with the base centering shaft through the graphite copper bearing, so that abrasion between the rotating disc and the centering shaft can be reduced when the rotating disc rotates, the service life is prolonged, and in addition, the fit clearance between the bearing and the centering shaft is ensured to be 0.005-0.008.
Furthermore, at least two positioning pin holes are formed in the upper surface of the rotating disc, and the positioning pin holes are symmetrically arranged around the central hole.
The positioning pin hole is consistent with the specification of a pin hole on the impeller to be measured and is used for positioning the impeller to be measured.
Further, the handles are symmetrically and fixedly mounted on the side face of the rotating disc, a plurality of pin holes are further processed in the side face of the rotating disc, and the pin holes are used for positioning the rotating disc.
When each blade is detected, the beating of each part (a large excircle, a meridian plane, a central hole and two end faces of the impeller) of the impeller profile can be detected only by stirring the handle on the rotating disk and manually rotating the impeller at a low speed along with the rotating disk.
The fixture comprises a horizontal end and a vertical end, the vertical end is of an arc-shaped structure, the horizontal end is perpendicular to the vertical end, and through holes are formed in the horizontal end and the vertical end.
After the rotating disc is rotated to a measuring position, through holes in the horizontal end and the vertical end of the fixing device are respectively aligned with the indexing holes in the indexing ring and the pin holes in the rotating disc, are fixed by the positioning pins, and then are measured.
Furthermore, a matched taper pin hole is formed in the side face of the base, and a matched taper fixing pin is installed on the matched taper pin hole.
The cone head part of the matching cone fixing pin is locked in the base, the cone tail part abuts against the indexing ring, fixing of the indexing ring is achieved, and position deviation of the indexing ring in the measuring process, namely the rotating disc rotating process, is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an impeller, leaf disc class part rapid survey frock, through using centering shaft with rotary disk and base as the center, connect the centering, and fix the indexing ring on the base, the indexing ring links firmly through pinhole and locating pin with the rotary disk, and fix a position through joining in marriage the taper pin hole with the base and eliminated the error and the instability that triangular coordinate detected the impeller and beated greatly, the quick location of impeller detection angle has been realized, effectively avoided the calibration process after repeated programming and the side head trades, the evaluation that can be accurate goes out the deviation volume and the deviation direction of every monomer blade.
(2) The utility model discloses an impeller, bladed disk class part rapid survey frock, indexing ring indexing hole quantity evenly arranges according to blade quantity, with indexing ring demountable installation in the ring channel, indexing ring both can change as required's graduation number, is convenient for measure not unidimensional impeller, has good result of use.
(3) The utility model discloses an impeller, leaf disc class part rapid survey frock adopts the graphite copper bearing to be connected in rotary disk and base centering shaft department, and the wearing and tearing between reducible rotary disk and the centering shaft when the rotary disk rotates increase of service life.
Drawings
Fig. 1 is a schematic view of a top view structure of the measuring tool of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 along direction A-A;
FIG. 3 is a schematic structural view of a fixing device of the measuring tool of the present invention;
wherein, 1, a base; 2. rotating the disc; 3. an indexing ring; 4. positioning pins; 5. a centering shaft; 6. a bearing; 7. a ball body; 8. a fixing device; 801. a vertical end; 802. a horizontal end; 9. a cone fixing pin is matched; 10. a positioning pin hole.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
With reference to fig. 1 and 2, a rapid measurement tool for impeller and bladed disk parts includes: the mounting surface of the base 1 is of a circular structure, a centering shaft 5 is arranged at the center of the circle of the circular mounting surface, and an annular groove is processed at the circumferential edge of the circular mounting surface; the indexing ring 3 is installed in the annular groove, and a plurality of indexing holes are uniformly formed in the upper surface of the indexing ring 3; the rotary disc 2 is of a disc structure, a center hole is formed in the circle center of the rotary disc 2, and the rotary disc 2 is installed on the centering shaft 5 of the base 1 through the center hole.
Compared with the prior art, the impeller of this scheme, impeller class part rapid survey frock, use centering shaft 5 with rotary disk 2 and base 1 as the center, connect the centering, and be fixed in on the base 1 indexing ring 3, indexing ring 3 links firmly through pinhole and locating pin 4 with rotary disk 2, and fix a position through joining in marriage the taper pinhole with base 1, the error and the instability that triangular coordinate detected the impeller and beated have been eliminated greatly, the quick location of impeller detection angle has been realized, effectively avoided the calibration process after repeated programming and side head traded, the deviation volume and the deviation direction of every monomer blade of evaluation that can be accurate.
Specifically, the number of the indexing holes in the indexing ring 3 is the same as the number of the blades of the impeller to be measured, and the indexing ring 3 is detachably mounted in the annular groove of the base 1, wherein the number of the indexing holes in the indexing ring 3 is uniformly distributed according to the number of the blades, the indexing ring 3 is detachably mounted in the annular groove, the indexing ring 3 can be replaced according to the required indexing number, and in addition, the hole position degree of each indexing hole is phi 0.01.
The surface of the rotating disc 2 is provided with at least two positioning pin holes 10, and the positioning pin holes 10 are symmetrically arranged around the central hole; the positioning pin hole 10 is consistent with the specification of a pin hole on the impeller to be measured and is used for positioning the impeller to be measured. A matched taper pin hole is formed in the side face of the base, and a matched taper fixing pin 9 is installed on the matched taper pin hole; the cone head part of the matching cone fixing pin 9 is locked in the base, and the cone tail part abuts against the indexing ring, so that the indexing ring 3 is fixed, and the indexing ring 3 is ensured not to shift in position in the measuring process, namely the rotating disc 2 is rotated.
When the impeller is measured, two positioning pin holes 10 and a process table positioning surface which are left on the impeller during processing are used for carrying out reference positioning with a corresponding pin hole and a positioning surface which are processed and customized and have the same specification on a measuring tool rotating disc, the impeller rotates manually at a low speed along with the rotating disc 2 to detect the jumping of each part of the outer contour, after the jumping is qualified, the taper pin of the indexing ring 3 is oriented, the three coordinates establish a standard on a measuring tool, then parts are assembled for detection, after the first blade is subjected to programming detection, the positioning pin 4 is pulled out, the rotating disc 2 is manually rotated to the next indexing hole, the positioning pin 4 is installed, the last measuring program is repeatedly executed, and the blade profile measurement of all the blades is circularly completed.
Example 2
The impeller of this embodiment, impeller class part rapid survey frock compares in embodiment 1, and is further, it has the raceway groove to go back symmetrical processing on the installation face of base, be used for placing ball 7 in the raceway groove, rotary disk 2 with it has the raceway groove to correspond processing on base installation face matched with one side, adopts ball 7 as the terminal surface to support, is used for supplementary centering to when processing the raceway groove, guarantee the raceway groove respectively with on the face each the axiality phi 0.01 of center pin, the tank bottom is beated 0.01.
A bearing 6 is arranged between a central hole of the rotating disc 2 and the centering shaft 5 on the base 1, the bearing 6 is a graphite copper bearing, the bearing 6 is in interference fit with the rotating disc 2, the rotating disc 2 is connected with the centering shaft 5 on the base 1 through the graphite copper bearing, abrasion between the rotating disc 2 and the centering shaft 5 can be reduced when the rotating disc 2 rotates, the service life is prolonged, and in addition, the fit clearance between the bearing 6 and the centering shaft 5 is ensured to be 0.005-0.008.
Example 3
Compared with the embodiment 2, the impeller and blade disc part rapid measurement tool is further provided with handles symmetrically and fixedly mounted on the side faces of the rotating disc, a plurality of pin holes are further machined in the side faces of the rotating disc, and the pin holes are used for positioning the rotating disc.
When each blade is detected, the jumping of each part (a large excircle, a meridian plane, a central hole and two end faces of the impeller) of the impeller profile can be detected only by stirring the handle on the rotating disk 2 and manually rotating the impeller at a low speed along with the rotating disk 2. Specifically, the impeller is placed on a measuring tool, a dial indicator is used for adjusting parts, so that the rotation center of the parts is overlapped with that of the measuring tool, then the tool is rotated, and then the dial indicator is used for detecting the jumping of other positions of the impeller parts.
As shown in fig. 2 and 3, the rotary indexing mechanism further comprises a fixing device 8, the fixing device 8 is used for fixing the rotary disc 2 and the indexing ring 3, the fixing device 8 comprises a horizontal end 802 and a vertical end 801, the vertical end 801 is of an arc-shaped structure, and the horizontal end 802 is perpendicular to the vertical end 801 and is provided with through holes.
After the rotating disc 2 is rotated to the measuring position, the through holes on the horizontal end 802 and the vertical end 801 of the fixing device 8 are respectively aligned with the indexing holes on the indexing ring 3 and the pin holes on the rotating disc 2, and are fixed by the positioning pins 4 (the positioning pins 4 are inserted into the pin holes), and then the measurement is performed.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides an impeller, bladed disk class part rapid survey frock which characterized in that includes:
the device comprises a base (1), wherein the mounting surface of the base (1) is of a circular structure, a centering shaft (5) is arranged at the center of the circle of the circular mounting surface, and an annular groove is processed at the circumferential edge of the circular mounting surface;
the indexing ring (3) is installed in the annular groove, and a plurality of indexing holes are uniformly formed in the upper surface of the indexing ring (3);
the rotary disc (2) is of a disc structure, a center hole is formed in the circle center of the rotary disc (2), and the rotary disc (2) is installed on a centering shaft (5) of the base (1) through the center hole.
2. The quick measuring tool for the impeller and the blisk parts according to claim 1, wherein the number of the indexing holes in the indexing ring (3) is the same as the number of the blades of the impeller to be measured, and the indexing ring (3) is detachably mounted in an annular groove of the base (1).
3. The quick measuring tool for the impeller and the bladed disk parts according to claim 1 is characterized in that the mounting surface of the base (1) is symmetrically provided with track grooves, and ball bodies (7) are placed in the track grooves.
4. The tool for rapidly measuring the parts such as the impeller and the blisk as claimed in claim 1, wherein a raceway groove is correspondingly machined on one surface of the rotating disc (2) matched with the mounting surface of the base (1).
5. The tool for rapidly measuring the impeller and the bladed disk type parts according to claim 4, wherein a bearing (6) is installed between a central hole of the rotating disk (2) and a centering shaft (5) on the base (1), the bearing (6) is a graphite copper bearing, and the bearing (6) is in interference fit with the rotating disk (2).
6. The rapid measuring tool for the impeller and the blisk parts according to claim 5, wherein at least two positioning pin holes (10) are formed in the upper surface of the rotating disc (2), and the positioning pin holes (10) are symmetrically arranged along the central hole.
7. The rapid measuring tool for the impeller and the bladed disk type parts according to claim 1, wherein handles are symmetrically and fixedly mounted on the side surface of the rotating disk (2), and a plurality of pin holes are machined in the side surface of the rotating disk (2) and used for positioning the rotating disk (2).
8. The quick measuring tool for the impeller and the bladed disk parts according to claim 7, further comprising a fixing device (8), wherein the fixing device (8) is used for fixing the rotating disk (2) and the indexing ring (3), the fixing device comprises a horizontal end (802) and a vertical end (801), the vertical end (801) is of an arc-shaped structure, and the horizontal end (802) is perpendicular to the vertical end (801) and is provided with through holes.
9. The rapid measuring tool for the impeller and the bladed disk type parts according to claim 1, wherein a matched taper pin hole is formed in the side surface of the base (1), and a matched taper fixing pin (9) is installed on the matched taper pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468759.3U CN211783158U (en) | 2020-04-02 | 2020-04-02 | Impeller, leaf disc class part rapid survey frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468759.3U CN211783158U (en) | 2020-04-02 | 2020-04-02 | Impeller, leaf disc class part rapid survey frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783158U true CN211783158U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020468759.3U Expired - Fee Related CN211783158U (en) | 2020-04-02 | 2020-04-02 | Impeller, leaf disc class part rapid survey frock |
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| CN (1) | CN211783158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833731A (en) * | 2021-01-04 | 2021-05-25 | 无锡蠡湖增压技术股份有限公司 | Method for detecting runout of inner diameter groove |
| CN114485313A (en) * | 2021-12-23 | 2022-05-13 | 芜湖三联锻造股份有限公司 | Be applied to axle type wheel hub short-term test structure of examining that beats |
| CN115560648A (en) * | 2022-12-01 | 2023-01-03 | 成都市鸿侠科技有限责任公司 | Impeller blade radial end face runout continuous and rapid measuring tool |
-
2020
- 2020-04-02 CN CN202020468759.3U patent/CN211783158U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833731A (en) * | 2021-01-04 | 2021-05-25 | 无锡蠡湖增压技术股份有限公司 | Method for detecting runout of inner diameter groove |
| CN112833731B (en) * | 2021-01-04 | 2022-06-28 | 无锡蠡湖增压技术股份有限公司 | Method for detecting runout of inner diameter groove |
| CN114485313A (en) * | 2021-12-23 | 2022-05-13 | 芜湖三联锻造股份有限公司 | Be applied to axle type wheel hub short-term test structure of examining that beats |
| CN115560648A (en) * | 2022-12-01 | 2023-01-03 | 成都市鸿侠科技有限责任公司 | Impeller blade radial end face runout continuous and rapid measuring tool |
| CN115560648B (en) * | 2022-12-01 | 2023-03-14 | 成都市鸿侠科技有限责任公司 | Impeller blade radial end face runout continuous and rapid measuring tool |
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Granted publication date: 20201027 |