A crushing grid with a cast stainless steel body
By using bearing seats made of cast stainless steel, the problem of the fuselage being easily corroded in corrosive environments is solved, achieving a longer service life and better stability.
Patent Information
- Application Number
- CN202421304537.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-08
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-08
AI Technical Summary
When the existing crushing grille works in corrosive sewage environments and seawater areas, the fuselage is easily corroded, resulting in a shorter service life.
The first bearing seat and the second bearing seat made of cast stainless steel ensure that the crushed grille is not corroded in a corrosive environment and extends its service life.
By casting stainless steel, the stability and service life of the crushed grille in a corrosive environment is significantly improved, and welding deformation and corrosion problems are avoided.
Smart Images

Figure CN222739306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crushing grids, in particular to a crushing grid with a cast stainless steel body. Background Art
[0002] In urban environmental governance and municipal sewage treatment, submersible pumps are mainly used to collect and treat urban sewage. During the sewage collection process, the sewage contains a large amount of solid waste. The collection of solid waste is a difficult problem in sewage treatment. Due to structural design reasons, the submersible pump has limited ability to pass pollutant particles and cannot pump large garbage indefinitely. Therefore, a crushing screen machine is needed to overcome this problem. The crushing screen machine can crush larger garbage into smaller garbage, which is convenient for centralized collection by the submersible pump.
[0003] For example, a Chinese patent with publication (announcement) number CN215634988U discloses a sealing device for a pulverizing grid, including a pulverizing grid body and its sealing structure, wherein the sealing structure includes a round nut stop washer and an elastic element, one end of the round nut stop washer is threadedly connected with a round nut, a bearing is installed on the outer side of the round nut stop washer, the inner ring of the bearing is provided with a shaft retaining ring, and a static ring and a dynamic ring are respectively provided on the outer side of the round nut stop washer, a shaft sleeve is provided on one side of the dynamic ring, and a sealing retaining ring is provided on one side of the shaft sleeve.
[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects:
[0005] When the above technical solution works in some corrosive sewage environments and seawater areas, the body of the machine is easily corroded, thereby reducing the service life of the crushing grid. Utility Model Content
[0006] The purpose of the utility model is to provide a crushing grate with a cast stainless steel body. By casting a first bearing seat and a second bearing seat made of stainless steel, the grate can work in some corrosive sewage environments and seawater areas to ensure that the body is not corroded and can be used for a long time. Compared with many crushing grate bodies with welded stainless steel plates, the cast stainless steel body has better stability, no welding deformation and longer service life.
[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:
[0008] A crushing grid with a cast stainless steel body, comprising:
[0009] A pulverizing mechanism, the pulverizing mechanism comprising a first bearing seat and a second bearing seat, a grid blade being installed between the first bearing seat and the second bearing seat;
[0010] Wherein, the first bearing seat and the second bearing seat are both made of cast stainless steel;
[0011] A gear box mounted on the top of the pulverizing mechanism;
[0012] A driving assembly for driving the pulverizing mechanism comprises a driving motor, a coupling is installed on the output shaft of the driving motor, and the bottom of the coupling is connected to the gear box through a sealing mechanism.
[0013] The above-mentioned pulverizing grid with a cast stainless steel body, wherein the sealing mechanism comprises a first sealing flange and a second sealing flange, and a sealing sleeve is arranged between the first sealing flange and the second sealing flange.
[0014] The above-mentioned cast stainless steel body crushing grid, wherein the first sealing flange is fixedly mounted on the bottom of the coupling by mounting bolts, and the second sealing flange is fixedly connected to the top of the gear box by mounting bolts.
[0015] The above-mentioned cast stainless steel body crushing grid, wherein the bottom of the second bearing seat is fixedly mounted with an inspection cover by mounting bolts.
[0016] The above-mentioned pulverizing grid with a cast stainless steel body, wherein two symmetrically arranged limit stop bars are arranged between the first bearing seat and the second bearing seat and at positions corresponding to the grid blades.
[0017] The above-mentioned crushing grid with a cast stainless steel body, wherein a warning sign is provided on the gear box.
[0018] The above-mentioned pulverizing grid with a cast stainless steel body, wherein a motor seat for mounting the drive motor is fixedly connected to the side of the drive motor.
[0019] The utility model has at least the following beneficial effects:
[0020] In the utility model, a crushing grate with a cast stainless steel body is realized. By casting a first bearing seat and a second bearing seat made of stainless steel, it can work in some corrosive sewage environments and seawater areas to ensure that the body is not corroded and can be used for a long time. Compared with many crushing grate bodies with welded stainless steel plates, the cast stainless steel body has better stability, no welding deformation and longer service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0022] Figure 1 It is a structural schematic diagram of the crushing grid of the utility model with a cast stainless steel body;
[0023] Figure 2 It is a structural schematic diagram of the front view of the crushing grid of the cast stainless steel body of the utility model;
[0024] Figure 3 It is a structural schematic diagram of the left view of the crushing grid of the cast stainless steel body of the utility model.
[0025] Description of Figure Numbers:
[0026] 1. Crushing mechanism; 2. Gear box; 3. Sealing mechanism; 4. Coupling; 5. Driving motor;
[0027] 101, first bearing seat; 102, second bearing seat; 103, grille blade;
[0028] 1021, inspection cover; 1031, limit stop bar;
[0029] 201. Warning sign;
[0030] 301. First sealing flange; 302. Second sealing flange; 303. Sealing sleeve; 501. Motor base. DETAILED DESCRIPTION
[0031] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0032] Please refer to Figures 1 to 3 As shown, an embodiment of the utility model provides a cast stainless steel body crushing grid, comprising: a crushing mechanism 1, a gear box 2 installed on the top of the crushing mechanism 1, and a driving assembly for driving the crushing mechanism 1, the crushing mechanism 1 comprises a first bearing seat 101 and a second bearing seat 102, and a grid blade 103 is installed between the first bearing seat 101 and the second bearing seat 102;
[0033] Please refer to Figures 1 to 3 As shown, the first bearing seat 101 and the second bearing seat 102 are both made of cast stainless steel;
[0034] Please refer to Figures 1 to 3 As shown, the driving assembly includes a driving motor 5, a coupling 4 is installed on the output shaft of the driving motor 5, and the bottom of the coupling 4 is connected to the gear box 2 through a sealing mechanism 3;
[0035] Please refer to Figures 1 to 3As shown, the sealing mechanism 3 includes a first sealing flange 301 and a second sealing flange 302 , and a sealing sleeve 303 is arranged between the first sealing flange 301 and the second sealing flange 302 .
[0036] Please refer to Figures 1 to 3 As shown, the first sealing flange 301 is fixedly mounted on the bottom of the coupling 4 by means of mounting bolts, and the second sealing flange 302 is fixedly connected to the top of the gear box 2 by means of mounting bolts.
[0037] Please refer to Figures 1 to 3 As shown, an inspection cover plate 1021 is fixedly installed on the bottom of the second bearing seat 102 by mounting bolts;
[0038] By adopting the above technical solution and providing the inspection cover 1021, it is convenient to maintain the grid blade 103 of the pulverizing mechanism 1, thereby improving the practicality of the utility model.
[0039] Please refer to Figures 1 to 3 As shown, two symmetrically arranged limit stop bars 1031 are arranged between the first bearing seat 101 and the second bearing seat 102 and at positions corresponding to the grille blades 103;
[0040] By adopting the above technical solution, by providing the limit stop bar 1031, it is convenient to put the material to be crushed onto the grid blade 103, and the material is prevented from splashing out during crushing.
[0041] Please refer to Figures 1 to 3 As shown, a warning sign 201 is provided on the gear box 2;
[0042] By adopting the above technical solution, the warning sign 201 can be set to warn nearby people, thereby avoiding injuries caused by nearby people accidentally touching the grille blade 103.
[0043] Please refer to Figures 1 to 3 As shown, a motor seat 501 for mounting the drive motor 5 is fixedly connected to the side of the drive motor 5;
[0044] By adopting the above technical solution, the stability of the installation of the driving motor 5 is increased by providing the motor seat 501 .
[0045] The working principle of the utility model is: the first bearing seat 101 and the second bearing seat 102 are made of cast stainless steel material, which can work in some corrosive sewage environments and seawater areas to ensure that the fuselage is not corroded and can be used for a long time. Compared with many crushing grilles with welded stainless steel plates, the cast stainless steel fuselage has better stability, no welding deformation and longer service life.
[0046] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept of this article through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.
Claims
1. A crushing grid with a cast stainless steel body, characterized in that: include: A pulverizing mechanism (1), the pulverizing mechanism (1) comprising a first bearing seat (101) and a second bearing seat (102), a grid blade (103) being installed between the first bearing seat (101) and the second bearing seat (102); Wherein, the first bearing seat (101) and the second bearing seat (102) are both made of cast stainless steel; A gear box (2) installed on the top of the pulverizing mechanism (1); A drive assembly for driving the pulverizing mechanism (1), the drive assembly comprising a drive motor (5), a coupling (4) being mounted on the output shaft of the drive motor (5), and a bottom of the coupling (4) being connected to the gear box (2) via a sealing mechanism (3).
2. A cast stainless steel body crushing grid according to claim 1, characterized in that: The sealing mechanism (3) comprises a first sealing flange (301) and a second sealing flange (302), and a sealing sleeve (303) is arranged between the first sealing flange (301) and the second sealing flange (302).
3. The crushing grid of a cast stainless steel body according to claim 2, characterized in that: The first sealing flange (301) is fixedly mounted on the bottom of the coupling (4) by means of mounting bolts, and the second sealing flange (302) is fixedly connected to the top of the gear box (2) by means of mounting bolts.
4. The crushing grid of a cast stainless steel body according to claim 3, characterized in that: An inspection cover plate (1021) is fixedly mounted on the bottom of the second bearing seat (102) by means of mounting bolts.
5. The crushing grid of a cast stainless steel body according to claim 4, characterized in that: Two symmetrically arranged limit stop bars (1031) are arranged between the first bearing seat (101) and the second bearing seat (102) and at positions corresponding to the grille blades (103).
6. The crushing grid of a cast stainless steel body according to claim 5, characterized in that: A warning sign (201) is provided on the gear box (2).
7. The crushing grid of a cast stainless steel body according to claim 6, characterized in that: A motor seat (501) for mounting the drive motor (5) is fixedly connected to the side surface of the drive motor (5).
Citation Information
Patent Citations
Sealing device for crushing grid
CN215634988U