CN115164674A - High-speed fan blade type value and length short-term test frock - Google Patents
High-speed fan blade type value and length short-term test frock Download PDFInfo
- Publication number
- CN115164674A CN115164674A CN202210902028.9A CN202210902028A CN115164674A CN 115164674 A CN115164674 A CN 115164674A CN 202210902028 A CN202210902028 A CN 202210902028A CN 115164674 A CN115164674 A CN 115164674A
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- CN
- China
- Prior art keywords
- blade
- base
- clamping
- positioning
- length
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/205—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures of turbine blades or propellers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a high-speed fan blade type value and length rapid detection tool in the technical field of detection devices, which comprises a base, wherein the base is provided with a groove; the blade clamping jig is arranged on the base and used for clamping and positioning the blade; the blade tip baffle is arranged at one end of the base and corresponds to the blade tip of the blade; and the profile clamping plates are arranged above the base and are attached to the profile surface to be detected of the blade. Positioning two machined holes at the root part of the blade by a blade clamping jig, supporting the blade simultaneously to clamp and position the blade, then attaching the model value clamping plate 4 to the surface of the blade, simultaneously enabling the blade tip of the blade to be close to the blade tip baffle, plugging the blade tip and the blade tip baffle in a gap by using a spacing go-no-go gauge, and then but rapid analysis goes out the length of blade, uses the clearance feeler gauge to fill in the clearance on type value cardboard extrados and blade surface simultaneously, through observing the gap size to judge whether up to standard of blade profile value, relative prior art, detect that the speed is faster efficiency is higher.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a tool for quickly detecting the shape value and the length of a blade of a high-speed fan.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. The high-speed fan has high rotating speed and large air volume, and is widely applied in various fields along with the continuous development of times.
The profile value of a blade in a high-speed fan needs to be detected in the machining process, the profile degree is used for describing the dimensional accuracy of a curved surface, the main index is a profile degree error which refers to the change condition of a measured actual profile relative to an ideal profile, the current blade product profile value measurement is generally carried out in an industrial photography imaging mode, the measurement process consumes a long time and the data processing is slow, in addition, when the length of the blade (the length from the blade tip to the blade root) is detected, a micrometer or a laser range finder is generally used for measurement, the measurement process consumes a long time, and the accurate effectiveness of the product measurement cannot be guaranteed when the blade product is too long.
In order to solve the problems, the tool for rapidly detecting the type value and the length of the blade of the high-speed fan is provided.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a tool for quickly detecting the profile value and the length of a blade of a high-speed fan, and in order to solve the technical problems mentioned in the background art, the invention provides the following technical scheme:
the invention provides a high-speed fan blade type value and length rapid detection tool, which comprises:
a base;
the blade clamping jig is arranged on the base and used for clamping and positioning the blade;
the blade tip baffle is arranged at one end of the base and corresponds to the blade tip of the blade;
and the profile clamping plates are arranged above the base and are attached to the profile surface to be detected of the blade.
In the high-speed fan blade type value and length short-term test frock as above, the blade clamping tool includes:
the upright column is arranged on the base;
the positioning panel is arranged at the upper end of the upright post and is parallel to the base;
the two positioning pins are arranged on the positioning panel and are matched with the two machining holes at the root part of the blade for use, so that the root part of the blade is positioned;
the pressing assembly is used for clamping the root part of the blade and corresponds to the positioning panel;
the blade floating support assembly is used for supporting the blade and enabling the position of the blade to be self-adjusted.
In the tool for rapidly detecting the blade type value and the length of the high-speed fan, the blade floating support assembly comprises:
the support columns are arranged on the base;
the floating support arm is hinged to the upper end of the support column;
and the elastic abutting unit is used for buffering the up-and-down swing of the floating supporting arm.
In the tool for rapidly detecting the blade shape value and the length of the high-speed fan, the two ends of the floating support arm are respectively and rotatably connected with the roller.
In the tool for rapidly detecting the blade type value and the length of the high-speed fan, the elastic abutting unit comprises:
the two limiting rods are fixedly connected to the two opposite ends of the floating supporting arm respectively;
the two ear plates are respectively and fixedly connected to the outer walls of the two opposite sides of the supporting column;
and the spring is sleeved on the limiting rod, and two ends of the spring in the elastic direction respectively elastically abut against the lug plate and the floating supporting arm.
In the high-speed fan blade type value and length short-term test frock as above, be equipped with the installation tool that is used for installing the type value cardboard on the base, the installation tool includes:
the first mounting columns are arranged on one side of the base at equal intervals and are arranged in a line;
the second mounting columns are arranged on the other side of the base at equal intervals and correspond to the first mounting columns respectively, notches are formed in the outer walls of the opposite sides of the tops of the first mounting columns and the second mounting columns, the fixture plate is provided with a positioning plate, and two ends of the positioning plate in the length direction are correspondingly clamped in the two notches respectively;
and the locking assembly is used for longitudinally limiting the positioning plate clamped in the clamping groove.
Compared with the prior art, the invention has the beneficial effects that: two machined hole to blade root are fixed a position through blade clamping tool, support the blade simultaneously, make the blade obtain clamping and location, then make the surface of type value cardboard laminating blade, the apex of blade is close to the apex baffle simultaneously, fill in the clearance of apex and apex baffle through using the interval no-go gage, and then but rapid analysis goes out the length of blade, use the clearance feeler gauge to fill in the clearance on type value cardboard extrados and blade surface simultaneously, through observing the gap size, whether up to standard with judging blade profile value, relative prior art, detect fastly efficiency is higher, in addition because carry out the clamping location to the blade, make the detection precision of blade higher, swing through the support arm that floats, can avoid blade position degree deviation to a certain extent and cause the phenomenon that can't support the blade.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of an assembly structure of a rapid detection tool for the profile value and length of a blade of a high-speed fan according to the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a side view of the structure of FIG. 1;
fig. 5 is an enlarged schematic view of a part of the structure at C in fig. 4.
In the figure: 1-base, 2-first mounting column, 3-lifting cylinder, 4-type value clamping plate, 5-rack, 6-pressing plate, 7-overturning pressing rod, 8-movable block, 9-second mounting column, 10-supporting column, 11-tip baffle, 12-gear, 13-limiting pressing plate, 14-brass block, 15-floating supporting arm, 16-roller, 17-limiting rod, 18-lug plate, 19-spring, 20-upright column, 21-movable seat, 22-cylinder, 23-positioning plate, 24-chromium plating plate, 25-threaded column, 26-positioning panel and 27-positioning pin.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
Examples
As shown in fig. 1 to 5, the present embodiment provides a technical solution: the utility model provides a high-speed fan blade type value and length short-term test frock, the on-line screen storage device comprises a base 1, the blade clamping tool, apex baffle 11, a plurality of type value cardboard 4, the blade clamping tool is installed on base 1 and is used for carrying out the clamping location to the blade, apex baffle 11, locate base 1 one end and corresponding with the apex of blade, a plurality of type value cardboard 4, locate base 1 top and laminate with the waiting profile surface that treats of blade, the arcwall profile of a plurality of type value cardboards in this embodiment can match with the blade profile, and the type value cardboard is the standard part, carry out the clamping location with the blade through the blade clamping tool, it is concrete, fix a position two machining hole of blade root portion through the blade clamping tool, support the blade simultaneously, make the blade obtain clamping and location, then make type value cardboard 4 laminate the surface of blade, the apex of blade is close to the apex baffle simultaneously, fill in the clearance of apex and apex baffle through using the interval go through filling in the clearance of apex and end the apex baffle, and can go through observing the apex baffle, and go on the clearance of gap of blade, whether the blade detects the high efficiency of the apex and detect the chromium blade because the apex precision, thereby detect the apex baffle more high efficiency of the apex precision of the apex relatively high-up-to-line detection technology, thereby detect the apex clearance of the apex.
Specifically, the blade clamping fixture comprises an upright column 20, a positioning panel 26, two positioning pins 27, a pressing assembly and a blade floating support assembly, wherein the upright column 20 is arranged on a base 1, the positioning panel 26 is arranged at the upper end of the upright column 20 and is parallel to the base 1, the root of the blade is placed on the positioning panel 26 and is in surface contact with the positioning panel 26, the two positioning pins 27 are arranged on the positioning panel 26 and are matched with two machining holes of the root of the blade for use so as to position the root of the blade, the other two positioning pins can be a circular positioning pin and a diamond positioning pin, so that when the relative position degree of the two machining holes of the root of the blade deviates, the root of the blade can still be clamped and positioned, the pressing assembly is used for clamping the root of the blade and corresponds to the positioning panel 26, and particularly, the pressing assembly comprises a movable seat 21 hinged on the upright post 20, an air cylinder 22 is installed on the movable seat 21, a movable block 8 is connected on an air cylinder rod of the air cylinder 22, a turnover pressing rod 7 is hinged on the positioning panel, a pressing plate 6 is arranged on the turnover pressing rod 7, the pressing plate 6 corresponds to the middle of the positioning panel 26 or is coaxial with the central line of the positioning panel 26, when the air cylinder rod of the air cylinder 22 extends, the movable block 8 is driven to move upwards, the turnover pressing rod 7 is turned downwards, the pressing plate 6 moves downwards and presses the root of a blade placed on the positioning panel 26 to clamp and position the root of the blade, in addition, a threaded column 25 can penetrate through a thread on the turnover pressing rod 7, the lower end of the threaded column 25 is fixedly connected with the pressing plate 6, the upper end of the threaded column penetrates through the turnover pressing rod 7 and is sleeved with a plurality of nuts, the threaded column 25 is screwed on the turnover pressing rod, the blade floating support assembly in the embodiment is used for supporting the blades and enabling the positions of the blades to be adjusted by oneself, and particularly comprises a plurality of support columns 10, a floating support arm 15 and an elastic abutting unit, wherein the support columns 10 are arranged on a base 1, the floating support arm 15 is hinged at the upper end of the support column 10, the elastic abutting unit is used for buffering the up-and-down swing of the floating support arm 15, the elastic abutting unit comprises two limit rods 17, two lug plates 18 and a spring 19, the two limit rods 17 are respectively fixedly connected at the two opposite ends of the floating support arm 15, the two lug plates 18 are respectively fixedly connected on the outer walls of the two opposite sides of the support column 10, spring 19 is around on gag lever post 17 and its elasticity direction both ends elasticity respectively support against otic placode 18, support arm 15 floats, when support arm 15 contacts the blade floats, can support the blade, in addition because the support arm that floats is the rotation connection on the support column, consequently when the machining hole position on the blade root produces the deviation, the position of blade will produce the deviation, for example the ground clearance nonconformity of the relative both sides of blade, through the swing of support arm that floats this moment, can avoid blade position degree deviation and cause the phenomenon that can't support the blade to a certain extent, in addition through setting up the gag lever post, can avoid the too big clamping that influences the blade of support arm rotation angle that floats, in addition support against the otic placode through setting up spring elasticity, when making the blade take off from the support arm that floats like this, the spring can drive the quick reverse upset of support arm that floats and reset.
In addition, the two ends of the floating support arm 15 in the embodiment are respectively connected with the roller 16 in a rotating manner, so that the floating support arm 15 is in rolling contact with the surface of the blade, the size of a contact surface with the surface of the blade is reduced, and the influence on the self-regulation of the position of the blade is avoided.
In addition, in the embodiment, the base 1 is provided with an installation jig for installing the model value clamping plate 4, the installation jig comprises a plurality of first installation columns 2, a plurality of second installation columns 9 and a locking component, the plurality of first installation columns 2 are arranged on one side of the base 1 at equal intervals and are arranged in a line, the plurality of second installation columns 9 are arranged on the other side of the base 1 at equal intervals and respectively correspond to the plurality of first installation columns 2, the outer walls of the opposite sides of the tops of the first installation columns 2 and the second installation columns 9 are provided with clamping grooves in a notch form, the model value clamping plate 4 is provided with a positioning plate 23, two ends of the positioning plate 23 in the length direction are respectively clamped in the two clamping grooves correspondingly, after the blades are clamped in place, a plurality of positioning plates 23 are correspondingly inserted into the clamping grooves, so that the arc-shaped surface of the model value clamping plate 4 is abutted against the curved surfaces of the blades, in addition, the locking component is used for longitudinally limiting the positioning plate 23 clamped in the clamping groove, the locking component comprises a lifting cylinder 3 arranged on the first mounting column 2, a rack 5 is arranged on a cylinder rod of the lifting cylinder 3, the upper end of the first mounting column 2 is respectively and rotatably connected with a limiting pressure plate 13, an integrally formed gear 12 is fixedly connected on the limiting pressure plate 13, the axial direction of the gear 12 is coaxial with the rotating fulcrum of the limiting pressure plate 13 on the first mounting column 2, in addition, the rack 5 and the gear 12 are in a meshed state, after the positioning plate 23 is clamped in the clamping groove, the lifting cylinder 3 acts, the cylinder rod of the lifting cylinder 3 extends, further driving the rack 5 to move upwards, so that the rest gears 12 of the rack 5 are meshed for transmission, further driving the limit pressing plate 13 to turn downwards, and can compress tightly locating plate 23, be provided with brass block 14 on the spacing clamp plate in addition, the brass block supports tight contact with the locating plate, avoids producing great wearing and tearing to the locating plate like this.
In addition, the model value clamping plate in the embodiment can be designed and replaced according to the specific profile of the blade, so that the detection device can be suitable for the blades of different models to detect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-speed fan blade type value and length short-term test frock which characterized in that includes:
a base (1);
the blade clamping jig is arranged on the base (1) and is used for clamping and positioning the blades;
the blade tip baffle (11) is arranged at one end of the base (1) and corresponds to the blade tip of the blade;
and the profile clamping plates (4) are arranged above the base (1) and are attached to the profile surface to be detected of the blade.
2. The tool for rapidly detecting the blade profile value and the length of the high-speed fan according to claim 1, wherein the blade clamping jig comprises:
the upright column (20) is arranged on the base (1);
a positioning panel (26) which is arranged at the upper end of the upright post (20) and is parallel to the base (1);
the two positioning pins (27) are arranged on the positioning panel (26) and are matched with the two machining holes at the root part of the blade for use, so that the root part of the blade is positioned;
a hold-down assembly for clamping the root of the blade and corresponding to the positioning panel (26);
and the blade floating support assembly is used for supporting the blade and enabling the position of the blade to be self-adjusted.
3. The tool for rapidly detecting the blade profile value and the length of the high-speed fan according to claim 2, wherein the blade floating support assembly comprises:
the supporting columns (10) are arranged on the base (1);
the floating supporting arm (15) is hinged to the upper end of the supporting column (10);
and the elastic abutting unit is used for buffering the up-and-down swing of the floating supporting arm (15).
4. The tool for rapidly detecting the blade profile value and the blade length of the high-speed fan according to claim 3, wherein two ends of the floating support arm (15) are respectively and rotatably connected with a roller (16).
5. The tool for rapidly detecting the blade profile value and the length of the high-speed fan as claimed in claim 3, wherein the elastic abutting unit comprises:
two limiting rods (17) which are respectively and fixedly connected to the two opposite ends of the floating supporting arm (15);
two ear plates (18) which are respectively and fixedly connected on the outer walls of two opposite sides of the supporting column (10);
and the spring (19) is sleeved on the limiting rod (17) and two ends of the spring in the elastic direction respectively abut against the lug plate (18) and the floating supporting arm (15).
6. The rapid detection tool for the type value and the length of the blade of the high-speed fan according to claim 1, wherein an installation jig for installing the type value clamping plate (4) is arranged on the base (1), and the installation jig comprises:
the first mounting columns (2) are arranged on one side of the base (1) at equal intervals and are arranged in a straight line;
the second mounting columns (9) are arranged on the other side of the base (1) at equal intervals and correspond to the first mounting columns (2) respectively, notches are formed in the outer walls of the opposite sides of the tops of the first mounting columns (2) and the second mounting columns (9), positioning plates (23) are arranged on the model value clamping plates (4), and two ends of each positioning plate (23) in the length direction are correspondingly clamped in the corresponding two notches respectively;
and the locking assembly is used for longitudinally limiting a positioning plate (23) clamped in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902028.9A CN115164674A (en) | 2022-07-28 | 2022-07-28 | High-speed fan blade type value and length short-term test frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902028.9A CN115164674A (en) | 2022-07-28 | 2022-07-28 | High-speed fan blade type value and length short-term test frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115164674A true CN115164674A (en) | 2022-10-11 |
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ID=83478370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210902028.9A Pending CN115164674A (en) | 2022-07-28 | 2022-07-28 | High-speed fan blade type value and length short-term test frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115164674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659749A (en) * | 2023-07-25 | 2023-08-29 | 山东省产品质量检验研究院 | Rotor balance detection device of three-phase asynchronous motor |
-
2022
- 2022-07-28 CN CN202210902028.9A patent/CN115164674A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116659749A (en) * | 2023-07-25 | 2023-08-29 | 山东省产品质量检验研究院 | Rotor balance detection device of three-phase asynchronous motor |
| CN116659749B (en) * | 2023-07-25 | 2023-10-03 | 山东省产品质量检验研究院 | Rotor balance detection device of three-phase asynchronous motor |
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