Ceramic slurry pump impeller hub structure

Abstract

The utility model discloses an impeller hub structure of a ceramic slurry pump, which relates to the technical field of ceramic slurry pumps and comprises a ceramic impeller, a mounting groove is arranged at the top of the ceramic impeller, a bump is fixed at the edge of the top end of the ceramic impeller, and a fixing column is arranged on the inner side of the mounting groove. The fixing column is arranged on the ceramic impeller and integrally connected with the ceramic impeller through sintering, an impeller hub is arranged above the ceramic impeller, a through hole is formed in the inner side of the impeller hub, and a fixing block is connected to the inner wall of the through hole. According to the utility model, through the arrangement of the impeller hub, the through hole, the fixing column, the fixing block, the ceramic impeller and the like, people align the through hole and the fixing block at one position of the impeller hub with the fixing column and the groove body on the ceramic impeller, so that the mounting gap between the impeller hub and the ceramic impeller is reduced; through matching of the through holes in the other positions of the impeller hub and the fixing blocks, the installation progress is accelerated, and therefore the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic slurry pumps, in particular to an impeller hub structure of a ceramic slurry pump. Background Art

[0002] With the development of slurry pump impeller technology, the application of ceramics in slurry pump impellers is becoming more and more extensive in the market. Ceramic slurry pumps are widely used in the transportation of slurry fluids in industry due to their advantages such as wear resistance, corrosion resistance, high efficiency and low maintenance cost.

[0003] During the installation process of the existing ceramic slurry pump impeller hub, due to the large gap between the installation groove and the impeller hub, even after the through hole in one place is aligned with the fixing column, there will still be a small angle of rotation, causing obstacles to the docking between the through holes in other places and the fixing columns, which is time-consuming and affects the installation efficiency between the impeller and the hub. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing ceramic slurry pump impeller hub, which, during the installation process, has a large gap between the installation groove and the impeller hub, so that after the through hole at one place is aligned with the fixing column, there will still be a small angle of rotation, resulting in obstacles to the docking of the through holes at other places and the fixing columns, which is time-consuming and affects the installation efficiency between the impeller and the hub. A ceramic slurry pump impeller hub structure is proposed.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A ceramic slurry pump impeller hub structure, comprising:

[0007] A ceramic impeller, wherein a mounting groove is provided at the top of the ceramic impeller, and a protrusion is fixed at the top edge of the ceramic impeller, a fixing column is arranged on the inner side of the mounting groove, and the fixing column is integrated with the ceramic impeller through sintering, an impeller hub is arranged above the ceramic impeller, and a through hole is provided on the inner side of the impeller hub, a fixing block is connected to the inner wall of the through hole, an impeller cover plate is arranged above the impeller hub, and a limiting groove is provided at the bottom end of the impeller cover plate, and a threaded column is installed in the middle of the impeller hub.

[0008] Preferably, the outer wall of the fixing column is provided with a groove body matching the fixing block, and the fixing column and the through hole are sleeve-connected.

[0009] Preferably, the protrusion is arranged in an arc-shaped structure, and the protrusion is plugged into the limiting groove.

[0010] Preferably, the impeller hub is connected to the ceramic impeller via an adhesive, and the adhesive is a mixture of corundum and ceramic glue.

[0011] Preferably, the inner side of the threaded column is a hollow structure, and the inner wall of the threaded column is provided with a threaded area.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0013] 1. In the present invention, by arranging the impeller hub, through-hole, fixing column, fixing block and ceramic impeller, people align the through-hole and fixing block on the impeller hub with the fixing column and groove body on the ceramic impeller, so that the installation gap between the impeller hub and the ceramic impeller is reduced, and the matching and installation progress of the through-holes and fixing blocks at other places on the impeller hub are accelerated, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall explosion structure in the utility model;

[0015] Figure 2 This is a schematic diagram of the impeller hub structure in the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom structure of the impeller cover plate in the utility model.

[0017] Legend:

[0018] 1. Ceramic impeller; 2. Mounting slot; 3. Fixing column; 4. Bump; 5. Impeller hub; 6. Through hole; 7. Impeller cover; 8. Fixing block; 9. Limiting slot; 10. Threaded column. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Reference Figure 1-3, a ceramic slurry pump impeller hub structure, including a ceramic impeller 1, a mounting groove 2 is provided on the top of the ceramic impeller 1, and a protrusion 4 is fixed at the top edge of the ceramic impeller 1, a fixing column 3 is arranged on the inner side of the mounting groove 2, and the fixing column 3 is integrated with the ceramic impeller 1 through sintering, an impeller hub 5 is arranged above the ceramic impeller 1, and a through hole 6 is provided on the inner side of the impeller hub 5, the impeller hub 5 is connected to the ceramic impeller 1 through an adhesive, and the adhesive is a mixture of corundum and ceramic glue, and the installed impeller hub 5 and the ceramic impeller 1 are bonded by the adhesive, the inner wall of the through hole 6 is connected with a fixing block 8, the outer wall of the fixing column 3 is provided with a groove body matching the fixing block 8, and the fixing column 3 and the through hole 6 are sleeved, through the groove body The alignment operation with the fixing block 8 can reduce the gap between the impeller hub 5 and the ceramic impeller 1 during installation, effectively improving the installation progress. An impeller cover plate 7 is placed above the impeller hub 5, and a limiting groove 9 is provided at the bottom end of the impeller cover plate 7. The protrusion 4 is arranged in an arc-shaped structure, and the protrusion 4 and the limiting groove 9 are plugged in. When the impeller cover plate 7 and the ceramic impeller 1 wrap the impeller hub 5, the plug-in work is completed between the protrusion 4 and the limiting groove 9, thereby completing the connection work between the impeller cover plate 7 and the ceramic impeller 1. A threaded column 10 is installed in the middle of the impeller hub 5. The inner side of the threaded column 10 is a hollow structure, and the inner wall of the threaded column 10 is provided with a threaded area. The setting of the threaded column 10 mainly facilitates the threaded connection between the impeller and the drive shaft.

[0021] Working principle: When in use, the staff first aligns the through hole 6 and the fixing block 8 on the impeller hub 5 with the fixing column 3 and the groove body on the ceramic impeller 1, so that the installation gap between the impeller hub 5 and the ceramic impeller 1 is reduced, and the impeller hub 5 is moved vertically downward, so that the remaining through holes 6 and the fixing blocks 8 on the impeller hub 5 are matched with the fixing column 3 and the groove body, and the installation progress is accelerated, thereby completing the docking work between the impeller hub 5 and the ceramic impeller 1, and then, the adhesive made of a mixture of corundum and ceramic glue is used to bond the assembly, and finally, the protrusion 4 on the ceramic impeller 1 is manually plugged into the limiting groove 9 on the impeller cover plate 7, thereby completing the connection work between the impeller cover plate 7 and the ceramic impeller 1, so that the impeller cover plate 7 and the ceramic impeller 1 complete the wrapping work of the impeller hub 5.

[0022] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A ceramic slurry pump impeller hub structure, comprising: A ceramic impeller (1) is characterized in that: a mounting groove (2) is provided at the top of the ceramic impeller (1), and a protrusion (4) is fixed at the top edge of the ceramic impeller (1); a fixing column (3) is arranged on the inner side of the mounting groove (2), and the fixing column (3) is integrally connected with the ceramic impeller (1) by sintering; an impeller hub (5) is arranged above the ceramic impeller (1), and a through hole (6) is provided on the inner side of the impeller hub (5); a fixing block (8) is connected to the inner wall of the through hole (6); an impeller cover plate (7) is arranged above the impeller hub (5), and a limiting groove (9) is provided at the bottom end of the impeller cover plate (7); a threaded column (10) is installed in the middle of the impeller hub (5).

2. The ceramic slurry pump impeller hub structure according to claim 1, characterized in that: The outer wall of the fixing column (3) is provided with a groove body that matches the fixing block (8), and the fixing column (3) and the through hole (6) are sleeve-connected.

3. The ceramic slurry pump impeller hub structure according to claim 1, characterized in that: The protrusion (4) is arranged in an arc-shaped structure, and the protrusion (4) and the limiting groove (9) are plugged into each other.

4. The ceramic slurry pump impeller hub structure according to claim 1, characterized in that: The impeller hub (5) is connected to the ceramic impeller (1) via an adhesive.

5. The ceramic slurry pump impeller hub structure according to claim 1, characterized in that: The inner side of the threaded column (10) is a hollow structure, and the inner wall of the threaded column (10) is provided with a threaded area.

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