CN217155822U - Impeller action testing device - Google Patents
Impeller action testing device Download PDFInfo
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- CN217155822U CN217155822U CN202220710407.3U CN202220710407U CN217155822U CN 217155822 U CN217155822 U CN 217155822U CN 202220710407 U CN202220710407 U CN 202220710407U CN 217155822 U CN217155822 U CN 217155822U
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- impeller
- assembly
- oil cylinder
- scale
- pointer
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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
- Y02E10/20—Hydro energy
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses an impeller action testing device, wherein an impeller comprises a hub, blades and an impeller operating rod; the impeller action testing device comprises a driving assembly, a positioning assembly, a connecting assembly and a testing assembly; the driving assembly comprises an oil cylinder assembly and a hydraulic station; the driving assembly drives the impeller operating rod to move through the connecting assembly so as to drive the blades to rotate; the test assembly comprises a pointer and a scale, the scale is located on the positioning assembly, the pointer is located on the connecting assembly, the scale value of the pointer on the corresponding scale is the moving distance value of the impeller operating rod, and the moving distance value corresponds to the rotation angle of the impeller. The utility model discloses a hydraulic pressure station carries pressure oil to hydro-cylinder assembly, and drive oil cylinder piston and piston rod remove, through hydro-cylinder shaft coupling and impeller end shaft coupling, drive the impeller action bars and remove, have realized the action test of impeller in the design angle, through the uniformity of examining each blade angle, verify whether impeller action bars stroke and blade angle satisfy the designing requirement.
Description
Technical Field
The utility model relates to an impeller of large-scale water pump and hydraulic turbine especially relates to an impeller action testing arrangement.
Background
The impeller is an important part of the water pump and the water turbine, and the adjusting mechanism in the impeller is a key for ensuring the stable operation of the water pump and the water turbine under a better working condition.
At present, the blades are generally directly driven to rotate by the lifting force of a crown block in the prior art, or an external screw and nut mechanism testing device is adopted, an impeller part is reversely buckled and installed on a testing support and is compressed and fixed, and a driving screw moves up and down by rotating a nut turntable to drive an operating rod in the impeller part to move up and down, so that the blade angle is rotated, and the blade action is realized. The blades are directly driven to rotate by using the lifting force of the crown block, and the system cannot check test items, so that the method has certain limitation. When the screw and nut mechanism testing device is adopted, the large water pump and the water turbine have large impeller adjusting force, the nut rotating disc is rotated manually, the physical consumption is large, the consumed time is long, and the operation is inconvenient.
Because large-scale unit can not carry out the final assembly test in the factory, consequently provide an wide range of application, the impeller action testing arrangement that availability factor is high and check the uniformity of each blade angle, guarantee impeller parts outgoing from the factory quality, avoid the problem inconvenient that solves in the building site installation and debugging process, become the technical problem that needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: utilize the lifting force direct drive blade pivoted limitation of overhead traveling crane among the prior art to and when passing through screw rod nut mechanism testing arrangement, because large-scale water pump, hydraulic turbine impeller regulating power are great, rely on artifical rotation nut carousel, physical demands is big, consuming time long, and operate inconvenient technical defect, the utility model provides an impeller action testing arrangement is through moving the test to large-scale water pump, hydraulic turbine impeller part, and then the interior test demand that moves of impeller factory that adapts to different regulating powers improves work efficiency.
The technical scheme is as follows: the impeller in the impeller action testing device of the utility model comprises a hub, blades and an impeller operating rod; the impeller action testing device comprises a driving assembly, a positioning assembly, a connecting assembly and a testing assembly;
the driving assembly comprises an oil cylinder assembly and a hydraulic station; the driving assembly drives the impeller operating rod to move through the connecting assembly so as to drive the blades to rotate;
the testing component comprises a pointer and a scale, the scale is positioned on the positioning component, the pointer is positioned on the connecting component, the scale value of the pointer corresponding to the scale is the moving distance value of the operating rod of the impeller, and the moving distance value corresponds to the rotation angle of the impeller;
the connecting assembly comprises an oil cylinder coupler and an impeller coupler, and the driving assembly is connected with the impeller operating rod through the oil cylinder coupler and the impeller coupler.
The pointer is located on the oil cylinder coupler and moves along with the oil cylinder coupler, and the moving distance value of the impeller operating rod is obtained through the scale on the scale corresponding to the pointer.
The blade is provided with a 0-degree scribed line, and the hub is provided with an angle marked line.
The oil cylinder assembly comprises an oil cylinder, a piston rod and a cylinder cover, wherein the piston rod is connected with the impeller coupling through an oil cylinder coupling.
The piston rod and the oil cylinder coupler are connected through threads, specifically, an external thread is machined at the end part of the piston rod, an internal thread is machined at the end part of the oil cylinder coupler, and the piston rod and the oil cylinder coupler are connected through threads.
The positioning assembly comprises an oil cylinder positioning plate and a plurality of studs, and the oil cylinder positioning plate is fixed above the impeller through the studs.
The oil cylinder assembly is detachably connected with the oil cylinder positioning plate.
The impeller coupling is connected with the impeller operating rod through threads.
The working principle is as follows: the utility model discloses a hydraulic pressure station carries pressure oil to hydro-cylinder assembly, and drive hydro-cylinder piston and piston rod remove, through the hydro-cylinder shaft coupling and the impeller shaft coupling that link to each other with the piston rod, drive the impeller action pole and remove, realize the impeller action test.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model discloses impeller action testing arrangement adopts hydraulic cylinder drive, external hydraulic pressure station, and the adjustable range of hydro-cylinder drive power is big, is fit for the demand of the different regulating powers of large-scale pump turbine impeller, especially to large-scale pump, hydraulic turbine, has application scope extensively, and the availability factor is high, convenient operation's characteristics.
(2) The utility model discloses discovery problem can be solved at any time in the test procedure, does not receive the place restriction, has overcome the difficult problem of solving at the construction site.
(3) The utility model discloses an action test of impeller in design angle, through the uniformity of examining each blade angle, and then verify whether impeller action bars stroke and blade angle satisfy the designing requirement.
Drawings
Fig. 1 is a general structural diagram of the impeller motion testing device of the present invention.
Detailed Description
As shown in fig. 1, the impeller includes a hub, blades, and an impeller lever a. The utility model discloses impeller action testing arrangement includes drive assembly, locating component, coupling assembling and test component.
The driving component comprises an oil cylinder assembly 3 and a hydraulic station 2; the driving assembly drives the impeller operating rod a to move through the connecting assembly, and then drives the blades to rotate.
The testing component comprises a pointer 9 and a scale 10, the scale 10 is located on the positioning component, the pointer 9 is located on the connecting component, and the moving distance value of the impeller operating rod a is obtained through the scale on the scale 10 corresponding to the pointer 9.
The utility model discloses a concrete structure does:
the oil cylinder assembly 3 is connected with the hydraulic station 2 through two oil ports to form a hydraulic loop. The oil cylinder assembly 3 and the oil cylinder positioning plate 4 are detachably connected, and specifically, the oil cylinder assembly 3 and the oil cylinder positioning plate 4 are connected through a flange and a bolt. The lower end of a piston rod in the oil cylinder assembly 3 is provided with an external thread which is connected with an internal thread of the oil cylinder coupler 8.
The oil cylinder positioning plate 4 is fixed at the upper end of the impeller through four studs 5 and nuts 6. The impeller coupling 7 is provided with internal threads and is arranged at the threaded end of the impeller operating rod a. The oil cylinder coupling 8 and the impeller coupling 7 are detachably connected. The pointer 9 is fixed on the oil cylinder coupler 8 through a bolt. The scale 10 is arranged below the oil cylinder positioning plate 4.
The oil cylinder assembly comprises an oil cylinder, a piston rod and a cylinder cover. In the embodiment, the piston rod is connected with the impeller operating rod a, and the oil cylinder assembly 3 drives the impeller operating rod a to move up and down through the piston and the piston rod. The impeller operating rod a moves up and down to drive the blades to rotate. Each blade of the impeller part is provided with a 0-degree scribed line, the hub is provided with an angle marked line, in the embodiment, the angle marked line is provided with one scribed line every 2 degrees, namely, the precision of the angle is 2 degrees, in the testing process, the rotating angle of the blade is read through the angle marked line, and the consistency of the rotating angle of each blade is observed through the action test of the blade. The specific process is as follows: a piston rod of the oil cylinder moves up and down, the pointer 9 moves along with the oil cylinder coupler 8, the moving distance value of the pointer 9 is read through scales on the scale 10, the moving distance value of the pointer 9 is the moving distance value of the impeller operating rod a, and then the rotating angle value of the blade is obtained. When the blades are adjusted from the minimum mounting angle to the maximum mounting angle, the impeller operating rod a is provided with a corresponding design stroke value, the design stroke value is compared and analyzed with the actual moving distance value of the impeller operating rod a read on the scale 10, the manufacturing precision of the impeller is verified, namely the stroke of the impeller operating rod a is measured through the scale on the scale 10 corresponding to the pointer 9, and the conformance with the design requirement is verified.
Claims (9)
1. The utility model provides an impeller action testing arrangement which characterized in that: the impeller comprises a hub, blades and an impeller lever (a); the impeller action testing device comprises a driving assembly, a positioning assembly, a connecting assembly and a testing assembly;
the driving assembly comprises an oil cylinder assembly (3) and a hydraulic station (2); the driving assembly drives the impeller operating rod (a) to move through the connecting assembly, so as to drive the blades to rotate;
the test assembly includes pointer (9) and scale (10), scale (10) are located locating component, pointer (9) are located coupling assembling, scale interval on pointer (9) corresponding scale (10) is the displacement distance value of impeller action bars (a), the displacement distance value corresponds with the turned angle of impeller.
2. The impeller behavior test device according to claim 1, characterized in that: the connecting assembly comprises an oil cylinder coupler (8) and an impeller coupler (7), and the driving assembly is connected with an impeller operating rod (a) through the oil cylinder coupler (8) and the impeller coupler (7).
3. The impeller behavior test device according to claim 1, characterized in that: the pointer (9) is located on the oil cylinder coupler (8) and moves along with the oil cylinder coupler (8).
4. The impeller behavior test device according to claim 1, characterized in that: the blade is provided with a 0-degree scribed line, and the hub is provided with an angle marked line.
5. The impeller behavior test device according to claim 2, characterized in that: the oil cylinder assembly comprises an oil cylinder, a piston rod and a cylinder cover, wherein the piston rod is connected with the impeller coupling (7) through an oil cylinder coupling (8).
6. The impeller behavior test device according to claim 5, characterized in that: the piston rod is connected with the oil cylinder coupler (8) through threads.
7. The impeller behavior test device according to claim 1, characterized in that: the positioning assembly comprises an oil cylinder positioning plate (4) and a plurality of studs (5), and the oil cylinder positioning plate (4) is fixed above the impeller through the studs (5).
8. The impeller behavior test device according to claim 7, characterized in that: the oil cylinder assembly (3) is detachably connected with the oil cylinder positioning plate (4).
9. The impeller behavior test device according to claim 2, characterized in that: the impeller coupling (7) is connected with the impeller operating rod (a) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220710407.3U CN217155822U (en) | 2022-03-30 | 2022-03-30 | Impeller action testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220710407.3U CN217155822U (en) | 2022-03-30 | 2022-03-30 | Impeller action testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155822U true CN217155822U (en) | 2022-08-09 |
Family
ID=82697185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220710407.3U Active CN217155822U (en) | 2022-03-30 | 2022-03-30 | Impeller action testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217155822U (en) |
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2022
- 2022-03-30 CN CN202220710407.3U patent/CN217155822U/en active Active
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