CN218891756U - Rotary wheel blade corner positioning structure of tubular pump model - Google Patents
Rotary wheel blade corner positioning structure of tubular pump model Download PDFInfo
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- CN218891756U CN218891756U CN202223074035.9U CN202223074035U CN218891756U CN 218891756 U CN218891756 U CN 218891756U CN 202223074035 U CN202223074035 U CN 202223074035U CN 218891756 U CN218891756 U CN 218891756U
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- 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
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Abstract
The utility model provides a rotary wheel blade corner positioning structure of a tubular pump model, which comprises a rotary wheel body and a plurality of blades, wherein the rotary wheel body is provided with rotary wheel body pin holes, and the blades are provided with blade pin holes; the blade corner positioning ring is arranged between the runner body and the blade flange; the blade corner positioning ring is provided with a plurality of positioning holes, a reference hole in each group of positioning holes is matched and positioned with a pin hole on the runner body, and any other positioning hole in the group is matched and positioned with a blade pin hole to form different blade mounting angles; the blade corner positioning ring is connected with the runner body and the blades for positioning. The set of blade positioning rings comprise all blade corners, so that manufacturing errors are reduced to the maximum extent, and time cost and processing cost are saved; the rotation angle synchronism of each blade is good, simple and practical.
Description
Technical Field
The utility model relates to the technical field of mechanical power equipment manufacturing, in particular to a rotary angle positioning structure of a rotary wheel blade of a tubular pump model.
Background
At present, in the structural design test process of a water turbine and a water pump model, the model runner body and the blades need to be subjected to corner butt joint positioning, a plurality of rotating-blade type water turbine and water pump model runner blade corner positioning modes are adopted in the prior art, and the common modes are as follows: the blade and the rotating wheel body are fixed by bolts, and the rotation angle of the blade is determined by the elevation difference of the positioning point Gao Chenghuo on the blade. The disadvantages of this approach are as follows: 1. when the blades are tightly held, the positioning elevation of the blades is not easy to accurately determine; 2. the identity among a plurality of blades of a set of rotating wheels is difficult to ensure; 3. when the blade is locked, the allowance is reserved in the opposite direction of the thread locking by the experience of an operator, the operation is very inconvenient, and when the operation is lost, errors of more than 0.5mm can be generated on the water inlet side and the water outlet side of the blade; 4. the man-hour required for blade assembly is long. The above deficiencies can lead to the reduction of the installation accuracy of the whole rotating wheel, and seriously affect the accuracy and the repeatability of the test.
The utility model patent application with the application number of CN201520089613.7 discloses an angle positioning device for a runner blade of an axial-flow water turbine model, and the scheme relates to a positioning device, and describes an angle positioning device for the runner blade of the axial-flow water turbine model, which is provided with a clamping ring arranged on the runner body and a contour block arranged on the clamping ring, wherein the clamping ring is in precise fit with the runner body, one side of the clamping ring is provided with a contour block mounting rod, a waist-shaped hole is formed in the contour block mounting rod, the contour block is in sliding connection with the waist-shaped hole and is fixed through a bolt, and the highest point of the contour block is matched with the lowest point of the blade. The solution has the following drawbacks: 1. the structure is complicated, and the scheme comprises that the assembly of multiple parts is easy to cause the reference position deviation of each blade; 2. the clamping rings arranged on the rotating wheel body easily form reference position deviation for different blades; 3. the processing precision of the clamping ring and the equal-height block influences the angle positioning precision of the blade; 4. the installation of each blade is greatly influenced by human factors, the operation is not simple and convenient, and the operation time of the test is influenced. The solution is therefore different from the present application, both in terms of the overall structural design and in terms of the positioning method applied by means of the structural design.
The utility model patent application with the application number of CN201520229156.7 discloses a processing reference control device for a through-flow turbine blade and a rotating arm pin hole, which comprises a base, a vertical frame, a supporting shaft and a positioning column, wherein the base is a trapezoid table with the horizontal upper end, the vertical frame is vertically and fixedly arranged at the upper end of the base, the supporting shaft is horizontally arranged in the middle of the vertical frame, the positioning column is arranged on the vertical frame at one side of a supporting shaft, and the positioning column is matched with the blade angle on a workpiece to be used for limiting and supporting the workpiece. The utility model cancels the RC line scribing procedure before hole machining, the boring die adopts a level meter for alignment, the rotating arm is accurately clamped and positioned, the error is effectively reduced, the machining precision is controllable, the machining quality of the blade and the rotating arm hole is improved, and the machining consistency between workpieces is ensured. In the technical scheme disclosed in the application, the application adopts a single blade corner locating ring, so that a plurality of blade corners are located, the accuracy and the repeatability of a test are improved, and meanwhile, the working time of blade assembly is shortened.
Disclosure of Invention
The utility model aims to solve the problems, and provides a rotary angle positioning structure of a rotary wheel blade of a tubular pump model, which comprises a rotary wheel body and a plurality of blades, wherein the rotary wheel body is provided with a rotary wheel body pin hole, the blades are provided with blade pin holes, the rotary wheel body pin hole comprises a blade angle positioning ring and a blade flange, and the blade angle positioning ring is arranged between the rotary wheel body and the blade flange; the blade corner positioning ring is provided with a plurality of positioning holes, the circumference of each positioning hole is arranged on the blade corner positioning ring, and any positioning hole is connected with the blade pin hole in a matching way to form different blade mounting angles; the blade corner positioning ring is connected with the runner body and the blades for positioning. The set of blade positioning rings comprise all blade corners, so that manufacturing errors are reduced to the maximum extent, and time cost and processing cost are saved; the rotation angle synchronism of each blade is good, simple and practical.
The technical scheme adopted by the utility model is as follows:
the utility model discloses a rotary wheel blade corner positioning structure of a tubular pump model, which comprises a rotary wheel body and a plurality of blades, wherein the rotary wheel body is provided with a rotary wheel body pin hole, the blades are provided with blade pin holes, the rotary wheel body pin hole comprises a blade corner positioning ring and a blade flange, and the blade corner positioning ring is arranged between the rotary wheel body and the blade flange; the blade corner positioning ring is provided with a plurality of positioning holes, and any positioning hole is connected with the blade pin hole in a matching way to form different blade mounting angles;
the blade corner positioning ring is connected with the runner body and the blades for positioning.
Further, the positioning pin comprises a first positioning pin and a second positioning pin, the first positioning pin is connected with the pin hole and the positioning hole of the runner body and is connected with and positioned with the runner body and the blade corner positioning ring; the second locating pin is connected with the blade pin hole and any locating hole and is used for connecting and locating the blade and the blade corner locating ring.
Further, the blade corner locating ring is of a hollow annular structure, the locating hole is circumferentially arranged on the blade corner locating ring, the locating hole comprises a basic locating hole and a quadrant locating hole, the basic locating hole comprises a first basic locating hole, a second basic locating hole, a third basic locating hole and a fourth basic locating hole, and any basic locating hole and a runner body pin hole are located through a first locating pin to connect the runner body and the blade corner locating ring.
Further, the blade corner positioning ring comprises a transverse center line and a vertical center line which are mutually perpendicular, the intersection point of the transverse center line and the vertical center line is the center position of the blade corner positioning ring, and a first basic positioning hole, a second basic positioning hole, a third basic positioning hole and a fourth basic positioning hole are arranged at the intersection point of the transverse center line and the vertical center line and the blade corner positioning ring; the transverse center line and the vertical center line separate the blade corner positioning ring into a first quadrant, a second quadrant, a third quadrant and a fourth quadrant.
Further, quadrant positioning holes are formed in the first quadrant, the second quadrant, the third quadrant and the fourth quadrant, and each quadrant positioning hole comprises a first quadrant positioning hole, a second quadrant positioning hole, a third quadrant positioning hole and a fourth quadrant positioning hole; a first quadrant locating hole is arranged in the first quadrant, and the first quadrant locating hole forms a quadrant included angle of 20 degrees, 36 degrees and 52 degrees with the transverse center line.
Further, the second quadrant positioning holes are arranged in a second quadrant, and the second quadrant positioning holes form a quadrant included angle of 24 degrees and 40 degrees with the vertical center line.
Further, the third quadrant positioning hole is arranged in the third quadrant, and the third quadrant positioning hole forms a quadrant included angle of 28 degrees and 44 degrees with the transverse center line.
Further, the fourth quadrant positioning hole is arranged in the fourth quadrant, and the fourth quadrant positioning hole forms a quadrant included angle of 32 degrees and 48 degrees with the vertical center line.
Further, the blade angle adjusting device comprises a basic positioning hole and a quadrant positioning hole, wherein the basic positioning hole and the quadrant positioning hole form different quadrant included angles on the blade angle adjusting ring, and the blade pin hole is connected with the basic positioning hole or the quadrant positioning hole for positioning so as to match different blade installation angles.
The utility model has the following technical effects:
the utility model discloses a rotary wheel blade corner positioning structure of a tubular pump model, which has the advantages of innovative and optimized positioning structure, good practical effect, accurate positioning of the blade corner, optimized mounting synchronism, convenient mounting and capability of saving the mounting and positioning working hours of the blade.
The method comprises the following steps:
1. the model blade realizes the corner positioning of the blade through the corner positioning ring and the rotating wheel body; simultaneously fixing the model blade, the corner positioning ring and the rotating wheel body through bolts; a set of blade corner rings are adopted, and the positioning installation of all blade corners is included, so that the manufacturing error is reduced to the maximum extent, and the time cost and the processing cost are saved; the rotation angle synchronism of each blade is good, simple and practical.
2. The utility model comprises a blade corner positioning ring structure, wherein a plurality of basic positioning pin holes are arranged on the blade corner positioning ring, and each basic positioning pin hole corresponds to a plurality of blade corner pin holes, so that a plurality of blade corner positioning is realized on one blade corner positioning ring.
Drawings
FIG. 1 is a schematic view of a vane angle positioning ring according to the present utility model;
FIG. 2 is a schematic view of the rotor structure of the present utility model;
FIG. 3 is a schematic view of a blade construction of the present utility model;
FIG. 4 is a schematic view of a first positioning structure of the present utility model;
FIG. 5 is a schematic view of a second positioning structure of the present utility model;
the marks in the figure: 1-runner body, 101-runner body pin hole, 2-blade, 201-blade pin hole, 3-blade corner locating ring, 4-locating hole, 401-first basic locating hole, 402-second basic locating hole, 403-third basic locating hole, 404-fourth basic locating hole, 405-first quadrant locating hole, 406-second quadrant locating hole, 407-third quadrant locating hole, 408-fourth quadrant locating hole, 5-locating pin, 501-first locating pin, 502-second locating pin, 6-blade flange.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
In the present embodiment, the data is a preferred scheme, but is not intended to limit the present utility model;
example 1
As shown in fig. 1-2, the embodiment provides a rotary pump model runner blade corner positioning structure, which comprises a runner body and a plurality of blades, wherein runner body pin holes are formed in the runner body, blade pin holes are formed in the blades, the runner body comprises a blade corner positioning ring and a blade flange, and the blade corner positioning ring is arranged between the runner body and the blade flange; the circumference of the blade corner positioning ring is provided with a plurality of positioning holes, and any positioning hole is connected with the blade pin hole in a matching way to form different blade mounting angles;
the blade corner positioning ring is connected with the runner body and the blades for positioning.
In this embodiment, the positioning pin includes a first positioning pin and a second positioning pin, where the first positioning pin connects the pin hole of the runner body and the positioning hole, and connects and positions the runner body and the blade corner positioning ring; the second locating pin is connected with the blade pin hole and any locating hole and is used for connecting and locating the blade and the blade corner locating ring. The first locating pin is a locating pin for connecting the runner body with the blade corner locating ring, and the second locating pin is a locating pin for connecting the blade corner locating ring with the blade.
In the embodiment, the model blade realizes the blade corner positioning through the blade corner positioning ring and the rotating wheel body; and the model blades, the corner positioning ring and the rotating wheel body are fixed through the positioning pins.
In this embodiment, in the design of hydraulic turbine, water pump model structure, in order to guarantee in the test process, the accuracy and the uniformity of model runner blade corner sets up a blade corner holding ring between model runner body and blade flange and is used for accurate location blade corner. The blade corner positioning ring is positioned on the runner body in a connecting mode of a positioning pin, a pin hole and a positioning hole, and the model blade is positioned on the blade corner positioning ring in a connecting mode of a positioning pin, a pin hole and a positioning hole. Different dowel holes correspond to respective blade corners; the three are fastened and fixed through the bolts, and the structural design is simple and practical, and the blade corner positioning ring has the advantages that the accuracy and consistency of blade corners can be ensured through high-precision machining, a plurality of blade corners can be positioned on one blade corner positioning ring, and machining errors are reduced; the installation is convenient and time-saving; the work efficiency is improved; therefore, the structure of the model water turbine is optimized, and the improvement of the model test level is facilitated.
Example 2
As shown in fig. 1-2, the embodiment provides a rotary pump model runner blade corner positioning structure, which comprises a runner body and a plurality of blades, wherein runner body pin holes are formed in the runner body, blade pin holes are formed in the blades, the runner body comprises a blade corner positioning ring and a blade flange, and the blade corner positioning ring is arranged between the runner body and the blade flange; the blade corner positioning ring is provided with a plurality of positioning holes, the positioning holes are arranged around the blade corner positioning ring, and any positioning hole is connected with the blade pin hole in a matching way to form different blade mounting angles;
the blade corner positioning ring is connected with the runner body and the blades for positioning.
In this embodiment, the blade corner locating ring is hollow annular structure, and the locating hole circumference distributes and arranges in on the blade corner locating ring, and the locating hole includes basic locating hole and quadrant locating hole, and basic locating hole includes first basic locating hole, second basic locating hole, third basic locating hole and fourth basic locating hole, through first locating pin, arbitrary basic locating hole of location and runner body pinhole, connect runner body and blade corner locating ring.
In this embodiment, through the second locating pin, any quadrant locating hole and runner blade pinhole corresponding to the basic locating hole are located, and the runner blade is connected with the blade corner locating ring. Further, the basic locating holes comprise a first basic locating hole, a second basic locating hole, a third basic locating hole and a fourth basic locating hole, and the basic locating holes are connected with the blades or the rotating wheel body to form a locating included angle.
Further, the positioning included angles corresponding to the first basic positioning holes are 20 degrees, 36 degrees and 52 degrees; the corresponding positioning included angles of the second basic positioning holes are 32 degrees and 48 degrees; the positioning included angles corresponding to the third basic positioning holes are 28 degrees and 44 degrees; and the positioning included angle corresponding to the fourth basic positioning hole is 24 degrees and 40 degrees.
In this embodiment, the blade corner positioning ring includes a transverse center line and a vertical center line that are perpendicular to each other, an intersection point of the transverse center line and the vertical center line is a center position of the blade corner positioning ring, and a junction of the transverse center line and the vertical center line with the blade corner positioning ring is provided with a first base positioning hole, a second base positioning hole, a third base positioning hole and a fourth base positioning hole; the transverse center line and the vertical center line separate the blade corner positioning ring into a first quadrant, a second quadrant, a third quadrant and a fourth quadrant.
In this embodiment, the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant are provided with quadrant positioning holes, where the quadrant positioning holes include a first quadrant positioning hole, a second quadrant positioning hole, a third quadrant positioning hole, and a fourth quadrant positioning hole; a first quadrant locating hole is arranged in the first quadrant, and the first quadrant locating hole forms a quadrant included angle of 20 degrees, 36 degrees and 52 degrees with the transverse center line.
Further, the second quadrant positioning holes are arranged in a second quadrant, and the second quadrant positioning holes form a quadrant included angle of 24 degrees and 40 degrees with the vertical center line.
Further, the third quadrant positioning hole is arranged in the third quadrant, and the third quadrant positioning hole forms a quadrant included angle of 28 degrees and 44 degrees with the transverse center line.
Further, the fourth quadrant positioning hole is arranged in the fourth quadrant, and the fourth quadrant positioning hole forms a quadrant included angle of 32 degrees and 48 degrees with the vertical center line.
In this embodiment, including basic locating hole and quadrant locating hole, basic locating hole and quadrant locating hole form different quadrant contained angles on blade corner holding ring, and basic locating hole and runner body pinhole location, blade pinhole and quadrant locating hole are connected the location to the different blade installation angle of matching. Through the blade corner locating ring, every basic locating hole of group and quadrant locating hole correspond a plurality of blade corners, and different blade corners can be connected the location through blade pinhole and different locating hole promptly to realize a plurality of blade corner location on a blade corner locating ring.
In this embodiment, the model runner body, the model runner blade, and the blade corner positioning ring are preferably machined with high precision. When the device is used for installation, firstly, the blade corner positioning ring is installed in the blade flange groove of the model runner body, the first basic positioning hole of the blade corner positioning ring is aligned with the pin hole of the runner body through the first positioning pin, and then, the second positioning pin is installed in the positioning hole corresponding to the required blade corner; installing the model runner blade in a flange groove of the model runner blade, and simultaneously positioning and installing a second positioning pin in a pin hole of the model runner blade; and finally, fastening the model rotating wheel blade, the blade corner positioning ring and the rotating wheel body into an integrated structure through M12 bolts and gaskets. The device comprises a plurality of blades uniformly distributed on the circumference, wherein each blade adopts the same operation, so that the corner positioning and mounting of the whole set of blades are completed.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (9)
1. The rotary wheel blade corner positioning structure of the tubular pump model comprises a rotary wheel body (1) and a plurality of blades (2), wherein a rotary wheel body pin hole (101) is formed in the rotary wheel body (1), and a blade pin hole (201) is formed in the blades (2), and the rotary wheel blade corner positioning structure is characterized by comprising a blade corner positioning ring (3) and a blade flange (6), wherein the blade corner positioning ring (3) is arranged between the rotary wheel body (1) and the blade flange (6); a plurality of positioning holes (4) are formed in the blade corner positioning ring (3), the positioning holes (4) are circumferentially distributed on the blade corner positioning ring (3), any positioning hole (4) is connected with the blade pin hole (201) in a matching manner, and different mounting angles of the blade (2) are formed;
the blade corner positioning ring comprises a positioning pin (5), wherein a positioning hole (4) is matched with a runner body pin hole (101) and a blade pin hole (201), the positioning pin (5) is connected, and a blade corner positioning ring (3) is connected with the runner body (1) and the blade (2) for positioning.
2. The rotary pump model runner blade corner positioning structure according to claim 1, wherein the positioning pin (5) comprises a first positioning pin (501) and a second positioning pin (502), the first positioning pin (501) is connected with the runner body pin hole (101) and the positioning hole (4), and the runner body (1) and the blade corner positioning ring (3) are connected and positioned; the second locating pin (502) is connected with the blade pin hole (201) and any locating hole (4) and is used for connecting and locating the blade (2) and the blade corner locating ring (3).
3. The rotary pump model runner blade corner positioning structure according to claim 1 or 2, wherein the blade corner positioning ring (3) is of a hollow annular structure, the positioning hole (4) is arranged around the ring body of the blade corner positioning ring (3), the positioning hole (4) comprises a basic positioning hole and a quadrant positioning hole, the basic positioning hole comprises a first basic positioning hole (401), a second basic positioning hole (402), a third basic positioning hole (403) and a fourth basic positioning hole (404), and any basic positioning hole and runner body pin hole (101) are positioned through a first positioning pin (501), so that the runner body (1) and the blade corner positioning ring (3) are connected.
4. The rotary pump model runner blade corner positioning structure according to claim 3, wherein the blade corner positioning ring (3) comprises a transverse center line and a vertical center line which are mutually perpendicular, an intersection point of the transverse center line and the vertical center line is a center position of the blade corner positioning ring (3), and a first basic positioning hole (401), a second basic positioning hole (402), a third basic positioning hole (403) and a fourth basic positioning hole (404) are arranged at the intersection point of the transverse center line and the vertical center line with the blade corner positioning ring (3); the transverse center line and the vertical center line separate the blade corner positioning ring (3) into a first quadrant, a second quadrant, a third quadrant and a fourth quadrant.
5. The rotary pump model runner vane corner positioning structure of claim 4, wherein quadrant positioning holes are provided in the first, second, third and fourth quadrants, the quadrant positioning holes including a first quadrant positioning hole (405), a second quadrant positioning hole (406), a third quadrant positioning hole (407) and a fourth quadrant positioning hole (408); a first quadrant locating hole (405) is arranged in the first quadrant, and the first quadrant locating hole (405) forms a quadrant included angle of 20 degrees, 36 degrees and 52 degrees with the transverse center line.
6. The rotary pump model runner vane corner positioning structure of claim 5, wherein the second quadrant positioning holes (406) are disposed in a second quadrant, the second quadrant positioning holes (406) forming a quadrant angle of 24 ° and 40 ° with the vertical center line.
7. The rotary pump model runner vane corner positioning structure of claim 6, wherein the third quadrant positioning holes (407) are disposed in a third quadrant, and the third quadrant positioning holes (407) form quadrant angles of 28 ° and 44 ° with the transverse center line.
8. The rotary pump model runner vane corner positioning structure of claim 7, wherein the fourth quadrant positioning holes (408) are disposed in a fourth quadrant, the fourth quadrant positioning holes (408) forming quadrant angles of 32 ° and 48 ° with the vertical center line.
9. The rotary pump model runner blade corner positioning structure according to claim 8, comprising a base positioning hole and a quadrant positioning hole, wherein the base positioning hole and the quadrant positioning hole form different quadrant angles on the blade corner positioning ring (3), and the blade pin hole (201) is connected and positioned with the base positioning hole or the quadrant positioning hole so as to match different blade (2) installation angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223074035.9U CN218891756U (en) | 2022-11-18 | 2022-11-18 | Rotary wheel blade corner positioning structure of tubular pump model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223074035.9U CN218891756U (en) | 2022-11-18 | 2022-11-18 | Rotary wheel blade corner positioning structure of tubular pump model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218891756U true CN218891756U (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223074035.9U Active CN218891756U (en) | 2022-11-18 | 2022-11-18 | Rotary wheel blade corner positioning structure of tubular pump model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218891756U (en) |
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- 2022-11-18 CN CN202223074035.9U patent/CN218891756U/en active Active
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