Tetrahedral mesh helical blade dividing device

Abstract

The utility model relates to the technical field of spiral blades, and provides a tetrahedral mesh spiral blade dividing device which comprises a spiral shaft and spiral pieces. A spiral piece is arranged on the outer wall of the spiral shaft, and a protection structure is arranged on the outer wall of the spiral shaft. According to the utility model, the convenient-to-mount structure is arranged, so that when the screw shaft is sleeved on the outer wall of the mounting shaft through the through hole, the screw shaft is positioned through a clamping structure formed by the clamping groove and the clamping column, and the screw shaft is not easy to deviate in the use process; and when the mounting shaft is drawn, the bevel edge of the clamping column is extruded to move away from the interior of the clamping groove to the interior of the built-in groove, then positioning is relieved, the mounting shaft is drawn conveniently, and therefore the purpose of disassembling and assembling the spiral shaft conveniently is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral blades, in particular to a tetrahedron grid spiral blade dividing device. Background Art

[0002] With the development of the times, the increasing size of cities and the continuous increase in urban population, urban sludge treatment is becoming more and more important. After dehydration, the volume of sludge can be reduced to 10% to 20% of the original volume. The use of spiral blades in the dehydrator to dehydrate the sludge makes it easier to transport and discharge the treated sludge and prevents it from decomposing during transportation.

[0003] During use, traditional spiral blades may break between the shaft and the blades, making it difficult to meet actual use requirements. In addition, they need to be installed during use, but traditional spiral blades are not easy to disassemble and assemble quickly, which makes them have certain limitations during use. Utility Model Content

[0004] The utility model aims to provide a tetrahedral grid spiral blade dividing device, so as to solve the defects of the existing spiral blade dividing device, such as insufficient strength and inconvenient assembly and disassembly.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a tetrahedral grid spiral blade dividing device, comprising a spiral shaft and spiral blades;

[0006] The outer wall of the spiral shaft is provided with a spiral sheet, and the outer wall of the spiral shaft is provided with a protective structure;

[0007] A through hole is provided inside the spiral shaft, and a casual structure is provided inside the through hole;

[0008] The casual structure includes an installation shaft, a clamping groove, a built-in groove, a clamping column and a reset spring. The installation shaft is arranged inside the through hole. The outer wall of the installation shaft is evenly provided with clamping grooves. The built-in grooves are evenly provided inside the spiral shafts on both sides of the through hole. The inside of the built-in grooves is provided with a clamping column, and a reset spring is fixed on one side of the clamping column.

[0009] Preferably, the minor diameter of the spiral shaft is 20 mm, and the major diameter of the spiral shaft is 40 mm.

[0010] Preferably, the spiral sheets are distributed at equal intervals outside the spiral shaft, and the thickness of the spiral sheets is 3 mm.

[0011] Preferably, the outer walls of the spiral shaft and the spiral blades are divided into grids.

[0012] Preferably, the protective structure includes an insulating layer, an adhesive layer and a wear-resistant layer. The insulating layer is arranged on the outer wall of the spiral shaft, the adhesive layer is arranged on the outer side of the insulating layer, and the wear-resistant layer is arranged on the outer side of the adhesive layer.

[0013] Preferably, the wear-resistant layer is 18CrMnTi.

[0014] Preferably, the installation shaft is slidably connected inside the through hole, and the clamping grooves are symmetrically distributed on the outer wall of one side of the installation shaft.

[0015] Preferably, the built-in grooves are symmetrically distributed inside the spiral shaft outside the through hole, and the side of the reset spring away from the clamping column is fixedly connected to one side inside the built-in groove.

[0016] Preferably, the clamping column is arranged inside the clamping groove, and the clamping column and the installation shaft form a clamping structure through the clamping groove.

[0017] The utility model provides a tetrahedral grid spiral blade dividing device, which has the following advantages:

[0018] By providing a convenient structure, when the spiral shaft is sleeved onto the outer wall of the installation shaft through the through hole, it is positioned by the engaging structure composed of the engaging groove and the engaging column, so that it is not easy to cause position displacement during use, and when the installation shaft is pulled, the oblique edge of the engaging column is squeezed to move it away from the inside of the engaging groove to the inside of the built-in groove, thereby releasing the positioning and making it easier to pull the installation shaft, thereby achieving the purpose of facilitating the disassembly and assembly of the spiral shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0020] Figure 2 This is a front view structural diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the side cross-sectional three-dimensional structure of the utility model;

[0023] Figure 5 This is an enlarged structural diagram of point A of the present invention.

[0024] Explanation of the reference numerals in the figure: 1. spiral shaft; 2. spiral blade; 3. protective structure; 301. insulating layer; 302. adhesive layer; 303. wear-resistant layer; 4. through hole; 5. casual structure; 501. mounting shaft; 502. snap-in groove; 503. built-in groove; 504. snap-in column; 505. reset spring. DETAILED DESCRIPTION

[0025] The following will be combined with the 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.

[0026] See also Figure 1-Figure 5 The utility model provides a tetrahedral grid spiral blade dividing device, which includes a spiral shaft 1 and a spiral blade 2.

[0027] Reference Figure 1 and Figure 3 As shown, a spiral sheet 2 is provided on the outer wall of the spiral shaft 1, the minor diameter of the spiral shaft 1 is 20 mm, the major diameter of the spiral shaft 1 is 40 mm, the spiral sheets 2 are evenly spaced on the outside of the spiral shaft 1, the thickness of the spiral sheet 2 is 3 mm, the outer walls of the spiral shaft 1 and the spiral sheets 2 are divided into a grid, and a protective structure 3 is provided on the outer wall of the spiral shaft 1. The protective structure 3 includes an insulating layer 301, an adhesive layer 302 and a wear-resistant layer 303. The insulating layer 301 is provided on the outer wall of the spiral shaft 1, and an adhesive layer 302 is provided on the outside of the insulating layer 301. A wear-resistant layer 303 is provided on the outside of the adhesive layer 302, and the wear-resistant layer 303 is 18CrMnTi.

[0028] In order to improve convergence during the use of the spiral shaft 1 and the spiral piece 2, the tetrahedron method is used for division, and the grid encryption processing is performed at the connection between the spiral shaft 1 and the spiral piece 2, so that the spiral piece 2 is not easy to break. In order to protect the device, a protective structure 3 is provided, so that the insulation performance is enhanced by the insulating layer 301, and the wear-resistant layer 303 is bonded to the outside through the adhesive layer 302, so as to enhance the wear resistance of the outside of the spiral shaft 1, thereby increasing the overall service life of the device, thereby greatly increasing the practicality of the device.

[0029] Reference Figure 1 、 Figure 4 and Figure 5As shown, a through hole 4 is provided inside the spiral shaft 1, and a casual structure 5 is provided inside the through hole 4. The casual structure 5 includes a mounting shaft 501, a clamping groove 502, a built-in groove 503, a clamping column 504 and a reset spring 505. The mounting shaft 501 is provided inside the through hole 4, and the clamping grooves 502 are evenly provided on the outer wall of the mounting shaft 501. The built-in grooves 503 are evenly provided inside the spiral shaft 1 on both sides of the through hole 4. The insides of the built-in grooves 503 are all provided with clamping columns 504. The clamping columns 504 A return spring 505 is fixed on one side, the installation shaft 501 is slidably connected inside the through hole 4, the clamping groove 502 is symmetrically distributed on the outer wall of one side of the installation shaft 501, and the built-in groove 503 is symmetrically distributed inside the spiral shaft 1 outside the through hole 4. The side of the return spring 505 away from the clamping column 504 is fixedly connected to one side inside the built-in groove 503, and the clamping column 504 is arranged inside the clamping groove 502, and the clamping column 504 and the installation shaft 501 form a clamping structure through the clamping groove 502.

[0030] The device needs to be installed during operation and use, and in order to improve the convenience of its installation, a convenient structure 5 is provided, so that the spiral shaft 1 can be easily sleeved onto the outer wall of the installation shaft 501 through the through hole 4, and during the installation process, the installation shaft 501 squeezes the clamping column 504 into the inside of the built-in groove 503, and the clamping column 504 is pushed outward by the thrust of the return spring 505, and when the clamping groove 502 moves to one side of the clamping column 504, the clamping column 504 moves to the inside of the clamping groove 502, and then is clamped and positioned so that it is not easy to cause position displacement during use, thereby greatly increasing the functionality of the device.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tetrahedral grid spiral blade division device, comprising a spiral shaft (1) and a spiral blade (2); Its characteristics are: A spiral sheet (2) is provided on the outer wall of the spiral shaft (1), and a protective structure (3) is provided on the outer wall of the spiral shaft (1); A through hole (4) is provided inside the spiral shaft (1), and a casual structure (5) is provided inside the through hole (4); The casual wear structure (5) comprises a mounting shaft (501), a clamping groove (502), a built-in groove (503), a clamping column (504) and a return spring (505); the mounting shaft (501) is arranged inside the through hole (4); the clamping grooves (502) are evenly provided on the outer wall of the mounting shaft (501); the built-in grooves (503) are evenly provided inside the spiral shafts (1) on both sides of the through hole (4); the insides of the built-in grooves (503) are each provided with a clamping column (504); and a return spring (505) is fixed on one side of each clamping column (504).

2. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The minor diameter of the spiral shaft (1) is 20 mm, and the major diameter of the spiral shaft (1) is 40 mm.

3. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The spiral pieces (2) are distributed at equal intervals outside the spiral shaft (1), and the thickness of the spiral pieces (2) is 3 mm.

4. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The outer walls of the spiral shaft (1) and the spiral blades (2) are divided into grids.

5. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The protective structure (3) comprises an insulating layer (301), an adhesive layer (302) and a wear-resistant layer (303); the insulating layer (301) is arranged on the outer wall of the spiral shaft (1); the adhesive layer (302) is arranged on the outer side of the insulating layer (301); and the wear-resistant layer (303) is arranged on the outer side of the adhesive layer (302).

6. The tetrahedral mesh spiral blade division device according to claim 5, characterized in that: The wear-resistant layer (303) is 18CrMnTi.

7. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The installation shaft (501) is slidably connected inside the through hole (4), and the clamping grooves (502) are symmetrically distributed on the outer wall of one side of the installation shaft (501).

8. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The built-in grooves (503) are symmetrically distributed inside the spiral shaft (1) outside the through hole (4), and the side of the return spring (505) away from the clamping column (504) is fixedly connected to one side inside the built-in groove (503).

9. The tetrahedral mesh spiral blade division device according to claim 1, characterized in that: The clamping column (504) is arranged inside the clamping groove (502), and the clamping column (504) and the installation shaft (501) form a clamping structure through the clamping groove (502).

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