Novel rake tooth type bar screen machine

By designing a movable rake tooth assembly and a servo motor-driven rake tooth chain, effective interception and clamping of solid debris is achieved, solving the problem of debris falling due to fixed rake teeth and improving the cleaning effect of the rake tooth bar screen.

CN223747114UActive Publication Date: 2026-01-02张光岩
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Patent Information

Application Number
CN202520041294.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-01-02
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

The existing rake teeth of the bar screen cleaner are fixed structures, which cannot effectively hold solid debris. As a result, solid debris is easy to fall off again during the conveying and removal process, which affects the cleaning effect.

Method used

A novel rake-tooth bar screen cleaner is designed, which includes a movable rake tooth assembly. A servo motor drives the rake tooth chain to rotate the movable rake teeth. The buoyancy and gravity of the foam balls are used to intercept and clamp the debris. Combined with the debris collection box, the solid debris is effectively removed.

Benefits of technology

It effectively prevents solid debris from falling back during the transportation process, improves the decontamination effect, and ensures that solid debris is stably removed and collected in a centralized manner.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, the novel rake tooth type bar screen machine comprises a sewage pool, the end of the sewage pool is fixedly communicated with a water inlet, a sewage opening is formed in the top end of the sewage pool, the novel rake tooth type bar screen machine further comprises a decontamination assembly used for treating sewage in the sewage pool, a movable rake tooth assembly is arranged on the decontamination assembly, and the decontamination assembly comprises a machine frame. The rack is obliquely fixed on the sewage pool and penetrates through the sewage port, the bottom end of the rack abuts against the bottom of the inner wall of the sewage pool, and the top end of the rack is fixed on the top of the sewage pool. The utility model has the beneficial effects that the device has the functions of intercepting solid sundries and then conveying and moving out the sundries through the rotary rake teeth, and also has the function of clamping fixed sundries moved out of the sewage surface through the arranged movable rake teeth, so that the solid sundries are effectively prevented from falling off again in the conveying and moving-out process, and the service life of the device is prolonged. The decontamination effect is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment field, concretely relates to a novel rake tooth formula grid cleaner. BACKGROUND

[0002] Rake tooth formula grid cleaner is a kind of equipment commonly used in water treatment and sewage treatment engineering, and the main function is to remove solid sundries and plankton in water to protect the normal operation of subsequent treatment equipment, when sewage flows through grid, larger solid sundries are intercepted by grid, rake teeth are driven by mechanical transmission to push these sundries to one side, then concentrate cleaning or transport to garbage disposal area.

[0003] Although the existing rake tooth formula grid cleaner can realize the function of intercepting solid sundries and then transporting and removing sundries by rotating rake teeth, the rake teeth are fixed structure, cannot well clamp fixed sundries, so that solid sundries are likely to fall again in the process of transporting and removing, impact decontamination effect.

[0004] Therefore, it is necessary to design a novel rake tooth formula grid cleaner. CONTENT OF UTILITY MODEL

[0005] Therefore, the utility model provides a novel rake tooth formula grid cleaner to solve the problems in the above background art.

[0006] In order to realize the above purpose, the utility model provides the following technical scheme: a novel rake tooth formula grid cleaner, including sewage pool, sewage pool end fixedly connected with water inlet, sewage pool top end is provided with sewage outlet, still include the decontamination subassembly for handling sewage in sewage pool, be provided with movable rake tooth subassembly on the decontamination subassembly.

[0007] Preferably, the decontamination subassembly includes a rack, the rack is inclined and fixed on the sewage pool, the rack passes through the sewage outlet, the bottom end of the rack abuts against the bottom of the inner wall of the sewage pool, and the top end of the rack is fixed on the top of the sewage pool.

[0008] Preferably, the top end of the rack is fixed with a servo motor, the output shaft of the servo motor is fixed with a transmission sprocket, the bottom of the rack is rotatably connected with a driven sprocket, and the transmission sprocket and the driven sprocket are transmissionally and movably connected with a rake chain.

[0009] Preferably, the movable rake tooth subassembly includes a plurality of arcuate frames, the arcuate frames are uniformly fixed on the surface of the rake chain, and a plurality of movable rakes are rotatably connected to the arcuate frames.

[0010] Preferably, the movable rakes are fixed with foam balls at one end close to the rake chain, the arcuate frames are provided with protrusions at both sides, one end of the protrusions is provided with a flat end, and the other end of the protrusions is provided with an inclined end.

[0011] Preferably, when the movable rake tooth is located in the sewage, the movable rake tooth surface is in abutment with two inclined end surfaces.

[0012] Preferably, when the movable rake tooth is located outside the sewage, the movable rake tooth surface is in abutment with two planar end surfaces.

[0013] Preferably, the sewage removing assembly further comprises a sundry collecting box, the sundry collecting box is placed on the top of the sewage pool, and the sundry collecting box is located below the top end of the rake tooth chain.

[0014] The utility model discloses the beneficial effect is: the utility model has the function of intercepting solid sundry, then through the movable rake tooth of rotation realizes the function of conveying and removing the sundry, still can realize the function of clamping the fixed sundry that removes the sewage surface through the movable rake tooth that sets up, thereby effectively prevent solid sundry from falling again in the process of conveying and removing, be favorable to the effect of removing the sewage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides structural section view for the utility model;

[0016] Figure 2 The utility model provides the structure enlarged view of A in Figure 1

[0017] Figure 3 The utility model provides the structure enlarged view of B in Figure 2

[0018] Figure 4 The utility model provides the structure enlarged view of C in Figure 2

[0019] Figure 5 The utility model provides partial structure plan view for the utility model;

[0020] Figure 6 The utility model provides structural front view for the utility model.

[0021] In the drawing: 1, sewage pool;2, water inlet;3, sewage outlet;4, rack;5, servo motor;6, transmission sprocket;7, driven sprocket;8, rake tooth chain;9, arcuate frame;10, movable rake tooth;11, foam ball;12, protrusion;13, planar end;14, inclined end;15, sundry collecting box. DETAILED DESCRIPTION

[0022] The preferred embodiments of the utility model will be described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only used for explaining and interpreting the utility model, and are not used for limiting the utility model.

[0023] Please refer to the attached Figures 1-6 ​​​The utility model provides a novel rake tooth formula grating cleaner, including sewage pool 1, sewage pool 1 end fixed communication has water inlet 2, sewage pool 1 top is provided with sewage outlet 3, still include the cleaning assembly for handling sewage in sewage pool 1, and the cleaning assembly is provided with movable rake tooth subassembly on,

[0024] The cleaning assembly comprises a rack 4, the rack 4 is fixedly inclined on the sewage pool 1, the rack 4 passes through the sewage outlet 3, the bottom end of the rack 4 abuts on the inner wall bottom of the sewage pool 1, the top end of the rack 4 is fixed on the top of the sewage pool 1, the top end of the rack 4 is fixed with a servo motor 5, the output shaft of the servo motor 5 is fixed with a transmission sprocket 6, the bottom of the rack 4 is rotatably connected with a driven sprocket 7, and the transmission sprocket 6 and the driven sprocket 7 are transmissionally and movably connected with a rake chain 8, specifically, when the servo motor 5 operates, the transmission sprocket 6 and the driven sprocket 7 can drive the rake chain 8 to rotate.

[0025] The movable rake tooth subassembly comprises a plurality of arched frames 9, the arched frames 9 are uniformly fixed on the surface of the rake chain 8, a plurality of movable rake teeth 10 are rotatably connected to the arched frames 9, the end of the movable rake tooth 10 close to the rake chain 8 is fixed with a foam ball 11, the inside of the arched frame 9 is provided with a protrusion 12 on both sides, one end of the protrusion 12 is provided with a flat end 13, and the other end of the protrusion 12 is provided with an inclined end 14, specifically, when the servo motor 5 drives the rake chain 8 to rotate, the plurality of arched frames 9 and the movable rake teeth 10 can be driven to rotate synchronously, so as to have the function of intercepting solid sundries, and then the rotating rake teeth can realize the function of conveying and moving out the sundries.

[0026] When the movable rake tooth 10 is located in the sewage, the surface of the movable rake tooth 10 abuts against the surfaces of the two inclined ends 14 (as shown in Figure 3 When the movable rake tooth 10 is located outside the sewage, the surface of the movable rake tooth 10 abuts against the surfaces of the two flat ends 13 (as shown in Figure 4 Specifically, when the movable rake tooth 10 rotates into the sewage along with the rake chain 8, the foam ball 11 at the end of the movable rake tooth 10 is opened under the buoyancy of the sewage, more solid sundries can be intercepted, then when the movable rake tooth 10 rotates out of the sewage along with the rake chain 8, the foam ball 11 at the end of the movable rake tooth 10 is pressed under the action of gravity, and since the rack 4 is inclined, the sundries are also pressed on the foam ball 11, so that the movable rake tooth 10 reversely rotates, so as to clamp the solid sundries, thereby effectively preventing the solid sundries from falling again in the conveying and moving-out process, and being beneficial to the cleaning effect.

[0027] The cleaning assembly further comprises a sundry collecting box 15, the sundry collecting box 15 is placed on the top of the sewage pool 1, and the sundry collecting box 15 is located below the top end of the rake chain 8, specifically, when the movable rake tooth 10 clamping the solid sundries moves to the uppermost along with the rotation of the rake chain 8, the solid sundries will fall into the sundry collecting box 15 and be collected.

[0028] The use process of the utility model is as follows: when the servo motor 5 operates, the raking tooth chain 8 can be driven to rotate through the transmission sprocket wheel 6 and the driven sprocket wheel 7, when the raking tooth chain 8 rotates, a plurality of arch-shaped racks 9 and movable raking teeth 10 can be driven to rotate synchronously, so as to have the function of intercepting solid sundries, then the function of conveying and moving out sundries is realized through the rotating raking teeth, when the movable raking teeth 10 rotate with the raking tooth chain 8 into the sewage, the foam ball 11 at the end thereof is opened by the buoyancy of the sewage, more solid sundries can be intercepted, then when the movable raking teeth 10 rotate with the raking tooth chain 8 to move out of the sewage, the foam ball 11 at the end thereof is opened by the gravity, and because the rack 4 is arranged obliquely, so the sundries are pressed down to the foam ball 11, the movable raking teeth 10 can be reversely rotated, so as to clamp the solid sundries, so as to effectively prevent the solid sundries from falling again in the process of conveying and moving out, which is beneficial to the effect of removing the sundries.

[0029] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the technical scheme or modify it into the equivalent technical scheme. Therefore, any simple modification or equivalent replacement according to the technical scheme of the utility model is within the scope of protection of the utility model.

Claims

1. A novel rake-tooth bar screen cleaning machine, comprising a sewage tank (1), an inlet (2) fixedly connected to the end of the sewage tank (1), and a sewage outlet (3) provided at the top of the sewage tank (1), characterized in that: It also includes a decontamination assembly for treating sewage in the sewage tank (1), wherein the decontamination assembly is provided with a movable rake tooth assembly; The decontamination assembly includes a frame (4), which is tilted and fixed on the sewage tank (1). The frame (4) passes through the sewage outlet (3), the bottom end of the frame (4) abuts against the bottom of the inner wall of the sewage tank (1), and the top end of the frame (4) is fixed to the top of the sewage tank (1).

2. The novel rake-tooth bar screen cleaner according to claim 1, characterized in that: A servo motor (5) is fixed at the top of the frame (4), a transmission sprocket (6) is fixed on the output shaft of the servo motor (5), a driven sprocket (7) is rotatably connected to the bottom of the frame (4), and a rake chain (8) is connected between the transmission sprocket (6) and the driven sprocket (7) for transmission cooperation.

3. The novel rake-tooth bar screen cleaner according to claim 2, characterized in that: The movable rake tooth assembly includes several arched frames (9), which are evenly fixed on the surface of the rake tooth chain (8), and several movable rake teeth (10) are rotatably connected to each arched frame (9).

4. The novel rake-tooth bar screen cleaner according to claim 3, characterized in that: Foam balls (11) are fixed to one end of the movable rake teeth (10) near the rake tooth chain (8). Protrusions (12) are provided on both sides of the inside of the arch frame (9). One end of the protrusion (12) is set as a flat end (13), and the other end of the protrusion (12) is set as an inclined end (14).

5. The novel rake-tooth bar screen cleaner according to claim 4, characterized in that: When the movable rake teeth (10) are located in the sewage, the surface of the movable rake teeth (10) abuts against the surfaces of the two inclined ends (14).

6. The novel rake-tooth bar screen cleaner according to claim 4, characterized in that: When the movable rake teeth (10) are outside the sewage, the surface of the movable rake teeth (10) abuts against the surfaces of the two planar ends (13).

7. The novel rake-tooth bar screen cleaner according to claim 2, characterized in that: The decontamination assembly also includes a debris collection box (15), which is placed on top of the sewage tank (1) and located below the top of the rake chain (8).