CN219589585U - Measuring tool for measuring thickness of air inlet and outlet edges of blades - Google Patents
Measuring tool for measuring thickness of air inlet and outlet edges of blades Download PDFInfo
- Publication number
- CN219589585U CN219589585U CN202223389557.8U CN202223389557U CN219589585U CN 219589585 U CN219589585 U CN 219589585U CN 202223389557 U CN202223389557 U CN 202223389557U CN 219589585 U CN219589585 U CN 219589585U
- Authority
- CN
- China
- Prior art keywords
- measuring head
- measuring
- movable
- fixed
- support plate
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a measuring tool for measuring the thickness of the inlet and outlet edges of a blade, which comprises: the fixed bracket consists of an upper support plate, a vertical plate and a lower support plate which are sequentially and integrally connected, a movable groove is vertically formed along the left end of the upper support plate, a movable measuring head is positioned in the movable groove, a positioning pin is fixedly connected to the side wall of the movable groove, the fixed measuring head is fixed at the left end of the lower support plate, a dial indicator is arranged on the upper side of the upper support plate, the measuring head extends downwards and abuts against the upper end of the movable measuring head, and the dial indicator is used for enabling the movable measuring head to move upwards along the movable groove and touching the measuring head of the dial indicator, so that the dial indicator measures the thickness of a blade; the reset mechanism is used for pulling the movable measuring head to move upwards through the positioning pin, so that a distance is generated between the movable measuring head and the fixed measuring head, the blade is convenient to extend in, and the reset mechanism is also used for pulling the movable measuring head to reset downwards through the positioning pin; the utility model has the advantages of quick detection process, simple operation, accurate and visual measurement and high detection efficiency.
Description
Technical Field
The utility model belongs to the field of aviation blade detection, and particularly relates to a measuring tool for measuring the thickness of an air inlet and outlet edge of a blade.
Background
The blade is an important part in an aeroengine, the blade is complex in shape, the blade profile is a thin curved surface, the blade is large in size and high in precision requirement, more requirements are put on measurement, the measurement is often inaccurate by adopting common measuring tools and methods, the efficiency is low, and certain professional requirements are provided for operators. Therefore, a few measuring methods and tools which are easy to operate are needed for measuring the materials so as to stabilize the quality and improve the efficiency.
In the prior art, the thickness of the air inlet and outlet edges of the blades is measured through a universal caliper or a three-coordinate measuring machine, and the universal caliper is easy to change in measured position due to human factors during measurement, and a reading error exists, so that the deviation of a measuring result is large and the efficiency is low. The three-coordinate measuring machine is used for measuring the thickness of the air inlet and outlet edges, the accuracy is reliable, but the requirement on the application environment is high, the cost is high, and the mass measurement efficiency is low.
Disclosure of Invention
The utility model aims to provide a measuring tool for measuring the thickness of the inlet and outlet edges of a blade, which is used for solving the problems of low measuring speed, large error, low efficiency and high environmental requirement in the prior art.
The utility model adopts the following technical scheme: a gauge for measuring the thickness of an inlet and outlet edge of a blade, comprising:
the fixed bracket is C-shaped, the opening of the fixed bracket is leftwards, the fixed bracket consists of an upper support plate, a vertical plate and a lower support plate which are sequentially and integrally connected, a movable groove is vertically arranged along the left end of the upper support plate,
the movable measuring head is vertically arranged and is positioned in the movable groove, the side wall of the movable measuring head is fixedly connected with a positioning pin, the positioning pin is arranged along the front-back trend,
the fixed measuring head is vertically arranged and fixed at the left end of the lower support plate,
the dial indicator is arranged on the upper side of the upper support plate, the measuring head of the dial indicator extends downwards and is propped against the upper end of the movable measuring head, and the dial indicator is used for forcing the movable measuring head to push upwards when the air inlet and outlet edges of the blades extend between the fixed measuring head and the movable measuring head, so that the movable measuring head moves upwards along the movable groove and touches the measuring head of the dial indicator, and the dial indicator is used for measuring the thickness of the blades;
the reset mechanism is used for pulling the movable measuring head to move upwards through the positioning pin, so that a distance is generated between the movable measuring head and the fixed measuring head, the blade is convenient to extend in, and the reset mechanism is also used for pulling the movable measuring head to reset downwards through the positioning pin.
Further, the method further comprises the following steps:
the measuring and positioning plate is L-shaped, the opening of the measuring and positioning plate is downward, the left end of the transverse section of the measuring and positioning plate is fixedly connected with the dial indicator, and the lower end of the vertical section of the measuring and positioning plate is fixedly connected with the right end of the upper support plate and used for fixing the dial indicator.
Further, the two positioning pins are arranged and are respectively positioned at the front side and the rear side of the movable measuring head.
Further, the reset mechanism includes:
two levers, which are respectively positioned at the front side and the rear side of the upper support plate, the middle parts of the two levers are fixed on the upper support plate, the left ends of the two levers are provided with fixing grooves from left to right, the two fixing grooves are used for the positioning pins to extend in,
the connecting rod is horizontally arranged, two ends of the connecting rod are fixedly connected with the right ends of the two levers respectively,
and one end of the elastic piece is fixedly connected with the connecting rod, and the other end of the elastic piece is fixed at the right end of the measuring and positioning plate and is used for providing tension for the lever, so that the left end of the lever provides tension for the movable measuring head.
Further, the method further comprises the following steps: and the limiting pin is arranged along the left-right direction, is fixedly connected to the left side of the vertical plate, and is used for limiting the blade when the blade is measured by being matched with the movable measuring head and the fixed measuring head.
Further, the lower end of the movable measuring head and the upper end of the fixed measuring head are both cone-shaped and are correspondingly arranged.
Further, the vertical plate is obliquely arranged, and the oblique direction is opposite to the opening direction of the vertical plate.
Further, the lower end of the lower support plate is fixed on a bottom plate, and the bottom plate is horizontally arranged and is used for being placed on a working table.
The beneficial effects of the utility model are as follows: the utility model has the advantages of quick detection process, simple operation, accurate and visual measurement and high detection efficiency, and can timely feed back the on-site production according to the measurement result, so that a process workshop can quickly feed back, and the mass measurement efficiency is improved; the utility model has reliable and stable precision and low cost, and can realize the measurement of similar blades only by replacing the limiting pin; the utility model has strong universality, wide application range, suitability for mass measurement and high timeliness.
Drawings
FIG. 1 is a front view of the present utility model;
fig. 2 is a side view of the present utility model.
Wherein: 1. a fixed bracket; 11. an upper support plate; 12. a vertical plate; 13. a lower support plate; 2. fixing a measuring head; 3. a movable measuring head; 4. a positioning pin; 5. a dial indicator; 6. measuring a positioning plate; 7. a reset mechanism; 71. a lever; 72. an elastic member; 73. a connecting rod; 8. a limiting pin; 9. a bottom plate.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model without substantial modification of the technical content, but are also regarded as the scope in which the present utility model can be implemented.
The utility model discloses a measuring tool for measuring the thickness of the inlet and outlet edges of blades, which is shown in fig. 1 and 2 and comprises a fixed bracket 1, a fixed measuring head 2, a movable measuring head 3, a dial indicator 5 and a reset mechanism 7.
The fixed bolster 1 is C shape, and the opening of fixed bolster 1 is left, and fixed bolster 1 comprises last extension board 11, riser 12 and the lower extension board 13 of integrative connection in proper order, riser 12 slope setting, and the incline direction is opposite rather than opening direction. The lower end of the lower support plate 13 is fixed on the bottom plate 9, and the bottom plate 9 is horizontally arranged and is used for being placed on a working table.
A movable groove is vertically formed along the left end of the upper support plate 11, the fixed measuring head 2 is vertically arranged, and the fixed measuring head 2 is fixed at the left end of the lower support plate 13. The movable measuring head 3 is vertically arranged, the movable measuring head 3 is positioned in the movable groove, and the lower end of the movable measuring head 3 and the upper end of the fixed measuring head 2 are both conical and are correspondingly arranged.
The locating pin 4 is fixedly connected to the side wall of the movable measuring head 3, the locating pin 4 is arranged along the front-back trend, the dial indicator 5 is installed on the upper side of the upper supporting plate 11, the measuring head of the dial indicator 5 extends downwards and abuts against the upper end of the movable measuring head 3, the dial indicator 5 is used for forcing the movable measuring head 3 to push upwards when the air inlet and outlet edges of the blades extend into the space between the fixed measuring head 2 and the movable measuring head 3, the movable measuring head 3 moves upwards along the movable groove and touches the measuring head of the dial indicator 5, and then the dial indicator 5 measures the thickness of the blades.
The reset mechanism 7 is used for pulling the movable measuring head 3 to move upwards through the locating pin 4, so that a distance is generated between the movable measuring head 3 and the fixed measuring head 2, a blade is convenient to extend into the movable measuring head, the reset mechanism 7 is also used for pulling the movable measuring head 3 to reset downwards through the locating pin 4, and the reset mechanism 7 is also used for clamping the locating pin 4 and limiting the moving distance of the movable measuring head 3.
The utility model also includes: the measuring and positioning plate 6, the measuring and positioning plate 6 is L-shaped, the opening of the measuring and positioning plate 6 is downward, the left end of the transverse section of the measuring and positioning plate 6 is fixedly connected with the dial indicator 5, the lower end of the vertical section of the measuring and positioning plate 6 is fixedly connected with the right end of the upper supporting plate 11, and the measuring and positioning plate 6 is used for fixing the dial indicator 5.
The positioning pins 4 are provided in two, and are respectively located at the front side and the rear side of the movable measuring head 3, and the reset mechanism 7 includes: the two levers 71, the connecting rod 73, the elastic component 72, two levers 71 are located the front side and the rear side of last extension board 11 respectively, the middle part of two levers 71 is all fixed on last extension board 11, the fixed slot has all been seted up from left to right to the left end of two levers 71, two fixed slots all are used for locating pin 4 to stretch into, the connecting rod 73 level sets up, the both ends of connecting rod 73 respectively with the right-hand member fixed connection of two levers 71, the one end and the connecting rod 73 fixed connection of elastic component 72, the right-hand member at measuring locating plate 6 is fixed to the other end of elastic component 72, the elastic component 72 is used for providing the pulling force for lever 71, make the left end of lever 71 provide the pulling force for movable gauge head 3.
The utility model also includes: the limiting pin 8, the limiting pin 8 sets up along controlling the direction, and limiting pin 8 fixed connection is in the left side of riser 12, and the left end of limiting pin 8 extends left and is close to the clearance of activity gauge head 3 and fixed gauge head 2, and limiting pin 8 is used for mutually supporting the blade when measuring with activity gauge head 3 and fixed gauge head 2 and carries out spacingly, limits the measuring position of the limit of admitting and exhausting on the measuring blade. The limiting pin 8 is in the shape of a step cylinder, the length of the limiting pin 8 is determined by the thickness measuring position of the air inlet and outlet edges of the blade to be measured, namely the distance from the locating surface at the left end of the limiting pin 8 to the connecting line between the fixed measuring head 2 and the center of the movable measuring head 3 is a fixed value; when another blade needs to be detected, only the limiting pin 8 needs to be replaced, the length of the limiting pin 8 is changed, and the application range of the measuring tool is enlarged, so that the application range is wider.
In the utility model, during measurement, the movable measuring head 3 can move upwards relative to the fixed measuring head 2, and the movement value of the movable measuring head 3 is the thickness value of the air inlet and outlet edges of the blades and is read by the dial indicator 5 on the upper side of the movable measuring head 3.
The specific detection process of the utility model is as follows:
the right end of the lever 71 is manually pulled downwards, the movable measuring head 3 moves upwards under the drive of the lever 71 and is far away from the fixed measuring head 2, the air inlet edge of the blade to be measured is arranged between the fixed measuring head 2 and the movable measuring head 3, and when the air inlet edge abuts against the limiting pin 8, the lever 71 is loosened, and the left end of the lever 71 rotates downwards under the action of the elastic piece 72 to drive the movable measuring head 3 to move downwards. After the movable measuring head 3 approaches the fixed measuring head 2, the lower end of the movable measuring head 3 abuts against the upper side of the blade, the upper end of the fixed measuring head 2 abuts against the lower side of the blade, at the moment, dial readings of the dial indicator 5 are observed, and the thickness value of the position of the air inlet and outlet edge of the section of the blade to be measured is read.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. A gauge for measuring the thickness of an inlet and outlet edge of a blade, comprising:
the fixed bracket (1) is C-shaped, the opening of the fixed bracket is leftwards, the fixed bracket consists of an upper support plate (11), a vertical plate (12) and a lower support plate (13) which are sequentially and integrally connected, a movable groove is vertically arranged along the left end of the upper support plate (11),
the movable measuring head (3) is vertically arranged and is positioned in the movable groove, the side wall of the movable groove is fixedly connected with a positioning pin (4), the positioning pin (4) is arranged along the front-back trend,
the fixed measuring head (2) is vertically arranged and fixed at the left end of the lower support plate (13),
the dial indicator (5) is arranged on the upper side of the upper support plate (11), the measuring head of the dial indicator extends downwards and abuts against the upper end of the movable measuring head (3), the dial indicator (5) is used for forcing the movable measuring head (3) to push upwards when the air inlet and outlet edges of the blades extend between the fixed measuring head (2) and the movable measuring head (3), so that the movable measuring head (3) moves upwards along the movable groove and touches the measuring head of the dial indicator (5), and the dial indicator (5) is used for measuring the thickness of the blades;
and the reset mechanism (7) is used for pulling the movable measuring head (3) to move upwards through the positioning pin (4), so that a distance between the movable measuring head (3) and the fixed measuring head (2) is generated, a blade can extend into the blade conveniently, and the reset mechanism is also used for pulling the movable measuring head (3) to reset downwards through the positioning pin (4).
2. The gauge for measuring the thickness of the inlet and outlet edges of a blade of claim 1, further comprising:
the measuring and positioning plate (6) is L-shaped, the opening of the measuring and positioning plate is downward, the left end of the transverse section of the measuring and positioning plate is fixedly connected with the dial indicator (5), and the lower end of the vertical section of the measuring and positioning plate is fixedly connected with the right end of the upper support plate (11) and used for fixing the dial indicator (5).
3. A measuring tool for measuring the thickness of the inlet and outlet edges of a blade according to claim 2, wherein two positioning pins (4) are arranged and are respectively positioned at the front side and the rear side of the movable measuring head (3).
4. A gauge for measuring the thickness of the inlet and outlet edges of a blade according to claim 3, characterized in that the return mechanism (7) comprises:
two levers (71) which are respectively positioned at the front side and the rear side of the upper support plate (11), the middle parts of the two levers are fixed on the upper support plate (11), the left ends of the two levers are provided with fixing grooves from left to right, the two fixing grooves are used for the positioning pins (4) to extend in,
a connecting rod (73) horizontally arranged, two ends of which are respectively fixedly connected with the right ends of the two levers (71),
and one end of the elastic piece (72) is fixedly connected with the connecting rod (73), and the other end of the elastic piece is fixed at the right end of the measurement positioning plate (6) and is used for providing tension for the lever (71), so that the left end of the lever (71) provides tension for the movable measuring head (3).
5. A gauge for measuring the thickness of an inlet and outlet edge of a blade according to any one of claims 1-4, further comprising: and the limiting pin (8) is arranged along the left-right direction, is fixedly connected to the left side of the vertical plate (12), and is left-extended and close to the gap between the movable measuring head (3) and the fixed measuring head (2) for limiting the blade when being mutually matched with the movable measuring head (3) and the fixed measuring head (2).
6. The measuring tool for measuring the thickness of the inlet and outlet edges of the blades according to claim 5, wherein the lower end of the movable measuring head (3) and the upper end of the fixed measuring head (2) are both cone-shaped and are correspondingly arranged.
7. The measuring tool for measuring the thickness of the inlet and outlet edges of the blades according to claim 5, wherein the vertical plate (12) is obliquely arranged in a direction opposite to the opening direction.
8. The measuring tool for measuring the thickness of the inlet and outlet edges of the blades according to claim 5, wherein the lower end of the lower support plate (13) is fixed on a bottom plate (9), and the bottom plate (9) is horizontally arranged and is used for being placed on a working table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389557.8U CN219589585U (en) | 2022-12-17 | 2022-12-17 | Measuring tool for measuring thickness of air inlet and outlet edges of blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389557.8U CN219589585U (en) | 2022-12-17 | 2022-12-17 | Measuring tool for measuring thickness of air inlet and outlet edges of blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589585U true CN219589585U (en) | 2023-08-25 |
Family
ID=87692658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223389557.8U Active CN219589585U (en) | 2022-12-17 | 2022-12-17 | Measuring tool for measuring thickness of air inlet and outlet edges of blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589585U (en) |
-
2022
- 2022-12-17 CN CN202223389557.8U patent/CN219589585U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108592746A (en) | A kind of sample marking distance and length-measuring appliance of having no progeny | |
| CN219589585U (en) | Measuring tool for measuring thickness of air inlet and outlet edges of blades | |
| CN110220436A (en) | For measuring the cubing of the tilting hole site precision of axis outer wall | |
| CN203798342U (en) | Special-purpose test tool for measurement | |
| CN102706262A (en) | Parallelism and height dimension detecting device | |
| CN208983975U (en) | A kind of sample marking distance and length-measuring appliance of having no progeny | |
| CN113686225B (en) | Plate thickness measuring tool | |
| CN214747700U (en) | Multifunctional clearance surface difference measuring scale | |
| CN2852044Y (en) | Apparatus for detecting cast profiled hole surface wall thickness | |
| CN101387590A (en) | Sample break pressing machine | |
| CN211205123U (en) | PCB thickness measuring device | |
| CN113405518A (en) | Measuring tool for symmetry degree of caliper body of brake | |
| CN202814309U (en) | Parallelism and height dimension detecting device | |
| CN209727079U (en) | A kind of calibrating installation for Hegman grind gage | |
| CN206002033U (en) | Stamping machine measurement of paralleism instrument | |
| CN219433975U (en) | Generator stator and rotor clearance measurer | |
| CN201569393U (en) | Simple thickness measuring instrument | |
| CN218973353U (en) | Chamfering caliper with replaceable measuring head | |
| CN210892941U (en) | Checking fixture tool for rapidly detecting overall height of fan | |
| CN214308430U (en) | High-precision special micrometer for arc palm tree type blade | |
| CN220103940U (en) | Metal part side thickness mechanism | |
| CN212158495U (en) | Turbine blade vertical frame measuring tool | |
| CN219589604U (en) | Measuring tool structure for measuring profile of blade edge plate surface of aero-engine | |
| CN213714191U (en) | Simple flatness measuring jig | |
| CN215894151U (en) | Adjustable scale distance line marking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |