CN213956662U - Impeller static balance detection tool - Google Patents
Impeller static balance detection tool Download PDFInfo
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- CN213956662U CN213956662U CN202120095877.9U CN202120095877U CN213956662U CN 213956662 U CN213956662 U CN 213956662U CN 202120095877 U CN202120095877 U CN 202120095877U CN 213956662 U CN213956662 U CN 213956662U
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- shaft hole
- impeller
- static balance
- crossover sub
- mandrel
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Abstract
The utility model discloses an impeller static balance detects frock, its shaft hole crossover sub that includes dabber and tube-shape, dabber level sets up and its one end coaxial rotation is connected with shaft hole crossover sub, be equipped with on shaft hole crossover sub's the outer wall and wait to detect the external screw thread that the internal thread in impeller center shaft hole matches. The utility model discloses a technological effect and advantage: the detection tool provided by the utility model has the advantages of less money, more work, less money and more work, can solve the technical problem, can promote the technical progress and create economic benefits; the impeller to be detected is coaxially and rotatably connected with one end of the mandrel through the shaft hole adapter, so that the impeller to be detected is convenient to mount and dismount; the manufacturing method has the advantages that the manufacturing method can be used for manufacturing the shaft hole adapter connectors with a plurality of outer diameter sizes, can be suitable for detecting impellers to be detected with different central shaft hole sizes, and is relatively low in cost; the whole tool is simple to install and use, and the effect of detecting the static balance of the impeller is good after the actual use is verified.
Description
Technical Field
The utility model belongs to the technical field of the impeller processing detects, concretely relates to impeller static balance detects frock.
Background
In the manufacturing process of the pump, static balance detection needs to be carried out on the impeller, and the method is one of important indexes of qualified products. The impeller is in process of production, need test the equilibrium of impeller, and the inertial force that causes because of reasons such as manufacturing error, material are uneven is uneven, can lead to the impeller in the use, produces very big noise, influences even and uses and causes certain danger. Therefore, after the impeller is machined, static balance detection is required to confirm that the eccentric mass does not exist. The general detection device is characterized in that a shaft matched with an impeller is mounted, two ends of the shaft are horizontally placed on two horizontal support frames, the impeller is rotated to see whether the impeller can be stopped at any position, and if the impeller can be stopped, the static and static detection device passes. The defects of the prior art are as follows: the central hole of the impeller is usually threaded, so that the impeller cannot be directly connected with a shaft, and particularly, the impeller is connected to the middle part of the shaft and then two ends of the shaft are supported by a support, so that the installation is inconvenient; in addition, the two ends of the shaft are not fixed with the support below, and the shaft can roll off from the support during static balance test, so that safety risk exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an impeller static balance detects frock aims at providing a simple structure, convenient to use and the relatively lower detection frock of cost.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an impeller static balance detects frock, its shaft hole crossover sub that includes dabber and tube-shape, the dabber level sets up and its one end coaxial rotation is connected with the shaft hole crossover sub, be equipped with the external screw thread that matches with the internal thread in waiting to detect impeller center shaft hole on the outer wall of shaft hole crossover sub.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, one end of the mandrel is coaxially and rotatably connected with the shaft hole adapter through a deep groove ball bearing sleeved on the mandrel.
The technical scheme has the advantages that the resistance is small when the impeller to be detected rotates relative to the mandrel, and the accuracy of static balance detection is ensured.
Furthermore, one end of the shaft hole adapter, which is located outside the central shaft hole of the impeller to be detected, is provided with a circle of flanging, a plurality of mounting holes are uniformly formed in the flanging at intervals in the circumferential direction, and each mounting hole extends along the radial direction of the shaft hole adapter.
The adoption of the further scheme has the beneficial effects that the arrangement of the outward flanging plays a role in limiting, and the outward flanging is tightly abutted against the end surface of one side of the central shaft hole of the impeller to be detected during installation; the mounting hole is convenient for inserting a rod-shaped object so as to rotate the shaft hole adapter, and the shaft hole adapter is screwed into or out of the central shaft hole of the impeller to be detected.
Further, the cross section of the flanging is circular or regular polygon.
The beneficial effect of adopting above-mentioned further scheme is, pleasing to the eye and processing convenience.
Furthermore, one end of the mandrel, which is connected with the shaft hole adapter, is cylindrical, and one end of the mandrel, which is pressed on the horizontal platform surface of the workbench, is quadrangular.
Adopt above-mentioned further scheme's beneficial effect be, the one end of quadrangular form is difficult for rotating the aversion after being compressed tightly, and is fixed effectual, and the other end is cylindric then be convenient for the cover establish deep groove ball bearing realize with the rotation of shaft hole crossover sub be connected.
The utility model discloses a technological effect and advantage:
the impeller to be detected is coaxially and rotatably connected with one end of the mandrel through the shaft hole adapter, so that the impeller to be detected is convenient to mount and dismount; the manufacturing method has the advantages that the manufacturing method can be used for manufacturing the shaft hole adapter connectors with a plurality of outer diameter sizes, can be suitable for detecting impellers to be detected with different central shaft hole sizes, and is relatively low in cost; the whole tool is simple to install and use, and the effect of detecting the static balance of the impeller is good as proved by actual use; the utility model provides a detect frock has the advantage of "spending money less, handle affairs more, spend money less, do big affairs", can solve the technological problem, also can promote technological progress, creates economic benefits.
Drawings
Fig. 1 is a schematic view of an impeller static balance detection tool provided by the present invention;
FIG. 2 is a cross-sectional view of the shaft hole adapter of FIG. 1;
FIG. 3 is a top view of the shaft hole adapter of FIG. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a work table; 2. a mandrel; 3. a shaft hole adapter; 4. an impeller to be detected; 5. a deep groove ball bearing; 6. flanging; 7. mounting holes; 8. a hold-down bolt; 9. and (7) pressing a plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element 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 invention.
As shown in fig. 1 to 3, the utility model provides an impeller static balance detects frock, its shaft hole crossover sub 3 that includes dabber 2 and tube-shape, 2 levels of dabber set up and one end (stretch out to the outer one end of 1 side of workstation) coaxial rotation is connected with shaft hole crossover sub 3, be equipped with on the outer wall of shaft hole crossover sub 3 and wait to detect the external screw thread that the internal thread in 4 central shaft holes of impeller matches, the other end and the 1 fixed connection of workstation of dabber 2.
It should be noted that, the shaft hole adapter is in threaded connection with the impeller to be detected, an inner cylinder wall of the shaft hole adapter is a smooth cylindrical surface, and is connected with one end of the mandrel in a coaxial rotation manner through a bearing piece, and the other end of the mandrel can be fixedly connected with the workbench through a clamp or directly fixedly connected with the workbench through a bolt (for example, a plurality of radially through fixing holes are formed in the mandrel, and the mandrel is pressed and fixed on the workbench after the bolt passes through the fixing holes).
In an embodiment of the present invention, one end of the mandrel 2 is coaxially and rotatably connected to the shaft hole adapter 3 through a sleeved deep groove ball bearing 5.
It should be noted that, as shown in fig. 1, two deep groove ball bearings are sleeved at one end of the core shaft at intervals, and respectively correspond to two ends of the inner cylinder wall of the shaft hole adapter, and an outer ring of the deep groove ball bearing is in clearance fit with the inner cylinder wall of the shaft hole adapter.
In an embodiment of the present invention, as shown in fig. 2 and 3, the shaft hole adapter 3 is located one end of the impeller 4 to be detected outside the central shaft hole is provided with a ring of flanging 6, the flanging 6 has a plurality of mounting holes 7 circumferentially and uniformly spaced, each of the mounting holes 7 is along the radial extension of the shaft hole adapter 3.
It will be appreciated that the mounting holes are preferably, but not necessarily, omitted when other means are provided on the everted edge to facilitate rotation of the axial bore adapter with a tool, such as a direct fixed connection to a rotating handle.
On the basis of the above embodiment, the cross section of the flanging 6 is circular or regular polygon.
In an embodiment of the utility model, the dabber 2 is kept away from the one end of shaft hole crossover sub 3 is fixed in through the anchor clamps clamp is tight on workstation 1, anchor clamps include clamp plate 9 of clamp bolt 8 and L shape, clamp bolt 8 runs through along vertical direction a face of clamp plate 9 and with workstation 1's horizontal mesa threaded connection, screw can make when clamp bolt 8 the dabber 2 presss from both sides tightly to be fixed in clamp plate 9 with between workstation 1's the horizontal mesa. The end, connected with the shaft hole adapter 3, of the mandrel 2 is cylindrical, and the end, pressed on the horizontal table surface of the workbench 1, of the mandrel 2 is quadrangular.
It should be noted that one side edge (vertical edge) of the pressing plate can be in sliding fit with the workbench in the vertical direction (a vertical sliding groove is formed in the workbench), the pressing plate only has freedom in the vertical direction relative to the workbench, and the pressing bolt vertically penetrates through the horizontal side edge of the pressing plate and then is in threaded connection with the workbench. It can be understood that the connection mode of the mandrel and the work can be in various modes, and is not limited to the above mode of clamping and fixing through a clamp, and can also be bolt fixing, even direct welding or integral forming, as long as one end of the horizontal mandrel can be connected with the workbench. In addition, it should be noted that the workbench is a general device in the existing machine manufacturing factory, and is not the main point of the design of the present invention.
The utility model discloses a basic principle does, be fixed in workstation 1 with 2 one end of horizontally dabber, the other end stretches out to the mesa of workstation and one of stretching out is served coaxial rotation and is connected with the shaft hole crossover sub 3 of tube-shape, the outer tube wall of shaft hole crossover sub 3 is equipped with and waits to detect 4 central shaft hole screw-thread fit's of impeller external screw threads, complete after the equipment, it waits to detect the impeller to rotate, see whether it can stop at the optional position, if can then quiet flat put detect pass through, if can not then show to detect the impeller and can have eccentric mass.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides an impeller static balance detects frock, its characterized in that, includes the shaft hole crossover sub (3) of dabber (2) and tube-shape, dabber (2) level sets up and one end coaxial rotation is connected with shaft hole crossover sub (3), be equipped with on the outer wall of shaft hole crossover sub (3) with wait to detect the external screw thread that the internal thread in impeller (4) central shaft hole matches.
2. The impeller static balance detection tool according to claim 1, characterized in that one end of the mandrel (2) is coaxially and rotatably connected with the shaft hole conversion joint (3) through a sleeved deep groove ball bearing (5).
3. The impeller static balance detection tool according to claim 1, characterized in that one end of the shaft hole adapter (3) located outside a central shaft hole of the impeller (4) to be detected is provided with a circle of flanging (6), the flanging (6) is provided with a plurality of mounting holes (7) at uniform intervals in the circumferential direction, and each mounting hole (7) extends along the radial direction of the shaft hole adapter (3).
4. The impeller static balance detection tool according to claim 3, characterized in that the cross section of the outward flanging (6) is circular or regular polygon.
5. The impeller static balance detection tool according to any one of claims 1 to 4, characterized in that one end of the mandrel (2) connected with the shaft hole adapter (3) is cylindrical, and the other end of the mandrel (2) is quadrangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120095877.9U CN213956662U (en) | 2021-01-14 | 2021-01-14 | Impeller static balance detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120095877.9U CN213956662U (en) | 2021-01-14 | 2021-01-14 | Impeller static balance detection tool |
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| Publication Number | Publication Date |
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| CN213956662U true CN213956662U (en) | 2021-08-13 |
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| CN202120095877.9U Active CN213956662U (en) | 2021-01-14 | 2021-01-14 | Impeller static balance detection tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252197A (en) * | 2021-12-28 | 2022-03-29 | 中国航天空气动力技术研究院 | Propeller and blade static balance detection device |
| CN114310490A (en) * | 2022-02-11 | 2022-04-12 | 北京航空航天大学江西研究院景德镇分院 | Cutting force measuring tool for integral impeller |
-
2021
- 2021-01-14 CN CN202120095877.9U patent/CN213956662U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252197A (en) * | 2021-12-28 | 2022-03-29 | 中国航天空气动力技术研究院 | Propeller and blade static balance detection device |
| CN114310490A (en) * | 2022-02-11 | 2022-04-12 | 北京航空航天大学江西研究院景德镇分院 | Cutting force measuring tool for integral impeller |
| CN114310490B (en) * | 2022-02-11 | 2023-09-26 | 北京航空航天大学江西研究院景德镇分院 | Cutting force measuring tool for integral impeller |
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