Rotary bar screen machine
By designing a combination of lifting mechanism and protective net in the rotary grille decontamination machine, the problem of particles popping up due to lack of protection on the top of the screen is solved, and more efficient particle filtration and environmental protection are achieved.
Patent Information
- Application Number
- CN202421854076.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-02
AI Technical Summary
In the existing rotary grille decontamination machine, there is a lack of protective mechanism on the top of the screen, which causes larger particles to fall on the surface of the screen and will pop out and fall off, falling to the ground, causing environmental pollution and not conducive to screening of the screen.
A rotary grille decontamination machine is designed, using a combination of lifting mechanism and protective net, and the screw and synchronization belt are driven by the motor to drive the protective net to rise and prevent larger particles from popping outward.
It effectively prevents larger particles from popping outward, reduces environmental pollution, and improves the screening efficiency of the screening mesh.
Smart Images

Figure CN222841655U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotary grilles, in particular to a rotary grille dirt remover. Background Art
[0002] The rotary screen, also known as the rotary screen dirt remover, is an environmental protection equipment, which is widely used in the pre-pump dirt removal process of urban sewage stations and sewage treatment plants. It has a compact structure and is mainly composed of a drive device, a frame, a sprocket, a chain, rake teeth, a dirt cleaning device and an elastic overload protection device. Through continuous rotation, the rake teeth can effectively intercept and remove larger solid impurities in the sewage to ensure the smooth operation of subsequent treatment equipment. The characteristics of the rotary screen include: stable and reliable operation, easy operation, and automatic unloading; reasonable structural design, not easy to deform or break; and some models are also equipped with a backwash system to further ensure the cleanliness and efficient operation of the equipment. In addition, its overload protection device can automatically cut off the power supply when the equipment is overloaded to protect the motor and transmission components from damage.
[0003] For example, the patent with publication number CN218357637U specifically discloses a rotary screen cleaner, which is designed in the technical field of screen cleaners and includes: a frame and a screen assembly, a crushing frame is arranged on the right side of the frame, and a movable groove is opened on the front side wall of the crushing frame; the screen assembly is arranged at the movable groove.
[0004] However, the top of the screen in the above device does not have a protective mechanism, and some larger particles falling on the surface of the screen will be ejected from the screen and fall to the ground, causing an impact on the environment and being unfavorable for the screen to be screened.
[0005] Therefore be necessary to provide a kind of rotary screen dirt remover to solve the above problems.
[0006] It should be noted that the above information disclosed in this background technology section is only used to understand the background technology of the present invention concept, and therefore, it may contain information that does not constitute the prior art. Utility Model Content
[0007] Based on the above problems existing in the prior art, the problem to be solved by the utility model is: to provide a rotary screen cleaner to solve the problem that larger particles falling on the surface of the screen will be ejected from the screen, fall to the ground, and affect the environment.
[0008] The utility model solves the technical problem by adopting the following technical solution: a rotary grille dirt remover, comprising a dirt remover body;
[0009] A special-shaped plate, wherein the special-shaped plate is fixedly installed on the left side of the dirt remover body;
[0010] A screening mechanism, the screening mechanism comprising a motor mounted on the surface of the profiled plate, the motor being operable on the surface of the profiled plate;
[0011] A protection mechanism, the protection mechanism comprising a fixed frame installed inside the dirt remover body, a motor fixedly installed inside the fixed frame, a first forward and reverse screw fixedly connected to the output end of the motor, a synchronous belt movably connected to the surface of the first forward and reverse screw via a synchronous wheel, and a second forward and reverse screw movably connected to the right side of the synchronous belt via a synchronous wheel;
[0012] Among them: by starting the motor, the motor rotation drives the first forward and reverse screw to rotate, and the synchronous belt is driven to rotate through the synchronous wheel, thereby driving the second forward and reverse screw to rotate, driving the screw sleeves on the surfaces of the first forward and reverse screws and the second forward and reverse screws to move inward, thereby driving the clamping rod to support the top, driving the lifting frame to move to the top, and limiting it through the vertical rod and the limiting ball, while driving the protective net to rise, to protect larger particles and prevent larger particles from popping out and falling to the ground.
[0013] Furthermore, the screening mechanism includes a turntable fixed to the output end of the motor, and a rotating block is fixedly connected to the surface of the turntable.
[0014] Furthermore, a connecting rod is slidably connected to the surface of the rotating block, and a pull rod is movably connected to the right side of the connecting rod through an axle pin. The pull rod passes through the right side of the special-shaped plate, and the pull rod is fixedly connected to the fixed frame.
[0015] Furthermore, the protective mechanism includes four screw sleeves movably connected to the surfaces of the first forward and reverse screw and the second forward and reverse screw, the surfaces of the screw sleeves are movably connected to a clamping rod via an axle pin, the top of the clamping rod is movably connected to a lifting frame via an axle pin, the bottom of the lifting frame is fixedly connected to a protective net, the bottom of the protective net is fixedly connected to the top of the lifting frame, and the inner side of the fixed frame is fixedly connected to a screen.
[0016] Furthermore, vertical rods are slidably connected inside the four corners of the lifting frame, the bottom of the vertical rods is fixedly connected to the top of the fixed frame, and the top of the vertical rods is fixedly connected to a limiting ball.
[0017] Furthermore, a slide rail used in conjunction with the fixing frame is provided at the bottom of the fixing frame, and two ends of the slide rail are fixedly connected to two sides of the inner wall of the dirt removal machine body.
[0018] The beneficial effects of the utility model are as follows: the utility model provides a rotary grille dirt remover, which, by setting a lifting mechanism and starting a motor, drives the first forward and reverse screw to rotate through the rotation of the motor, drives the synchronous belt to rotate through the synchronous wheel, thereby drives the second forward and reverse screw to rotate, drives the screw sleeves on the surfaces of the first forward and reverse screw and the second forward and reverse screw to move inward, thereby drives the clamping rod to support the top, drives the lifting frame to move to the top, limits it through the vertical rod and the limiting ball, and drives the protective net to rise at the same time, protects larger particles, and prevents the larger particles from popping out to the outside and falling to the ground.
[0019] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0021] Figure 1 It is an overall schematic diagram of a rotary grille dirt remover in the utility model;
[0022] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;
[0023] Figure 3 For the utility model Figure 2 A magnified schematic diagram of point A;
[0024] Figure 4 It is a structural schematic diagram of the protective net in the utility model;
[0025] Figure 5 It is a structural schematic diagram of the screw sleeve in the utility model.
[0026] Among them, the reference numerals in the figure are:
[0027] 1. The main body of the dirt remover; 11. The transmission chain; 12. The grille plate; 13. The gear reducer; 2. The special-shaped plate; 3. The screening mechanism; 31. The turntable; 32. The rotating block; 33. The connecting rod; 34. The pull rod; 35. The motor; 4. The protective mechanism; 401. The fixed frame; 402. The motor; 403. The first forward and reverse screw; 404. The synchronous wheel; 405. The synchronous belt; 406. The second forward and reverse screw; 407. The screw sleeve; 408. The tightening rod; 409. The lifting frame; 410. The protective net; 411. The screen; 412. The vertical rod; 413. The limit ball. DETAILED DESCRIPTION
[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0030] like Figure 1-5 As shown, the utility model provides a rotary grille dirt remover, comprising a dirt remover body 1, the dirt remover body 1 comprising a gear reducer 13 fixedly connected to the dirt remover body 1, the inner wall of the dirt remover body 1 is rotatably connected with a transmission chain 11 and a grille plate 12, the grille plate 12 is rotated by the transmission chain 11, and the transmission chain 11 and the gear reducer 13 are driven by a belt;
[0031] A special-shaped plate 2 is installed on the left side of the dirt remover body 1, and an external power source is connected to enable the dirt remover body 1 to work. The motor 35 is fixed by the special-shaped plate 2, thereby improving the stability of the motor 35.
[0032] like Figure 1-3 As shown, a screening mechanism 3 is provided on the left side of the dirt remover body 1, and the screening mechanism 3 includes a turntable 31 fixed at the output end of the motor 35, a turntable 31 is fixedly connected to the surface of the turntable 31 with a turn block 32, a turn block 32 is slidably connected to the surface of the turntable 31 with a connecting rod 33, and the right side of the connecting rod 33 is movably connected to a pull rod 34 through an axle pin, and the pull rod 34 passes through the right side of the special-shaped plate 2. The rotation of the turntable 31 drives the turntable 32 to rotate, thereby driving the connecting rod 33 to rotate, thereby driving the pull rod 34 to move, thereby driving the fixed frame 401 to move.
[0033] like Figure 3-5As shown, a protection mechanism 4 is provided inside the fixed frame 401, and the protection mechanism 4 includes four screw sleeves 407 movably connected to the surfaces of the first forward and reverse screw rods 403 and the second forward and reverse screw rods 406, and the surfaces of the screw sleeves 407 are movably connected to a clamping rod 408 through an axle pin, and the top of the clamping rod 408 is movably connected to a lifting frame 409 through an axle pin, and a protection net 410 is fixedly connected to the bottom of the lifting frame 409, and the bottom of the protection net 410 is fixedly connected to the top of the lifting frame 409, and a screen 411 is fixedly connected to the inner side of the fixed frame 401, and the interior of the fixed frame 401 is protected by the lifting and lowering of the protection net 410 to prevent particles from splashing to the outside and escaping from the screen 411 and the interior of the fixed frame 401;
[0034] The four corners of the lifting frame 409 are slidably connected with vertical rods 412. The bottom of the vertical rods 412 is fixedly connected to the top of the fixed frame 401. The top of the vertical rods 412 is fixedly connected to the limiting ball 413. The vertical rods 412 are convenient for limiting the lifting frame 409, thereby improving the stability of the lifting frame 409.
[0035] A slide rail used in conjunction with the fixing frame 401 is disposed at the bottom of the fixing frame 401 , and both ends of the slide rail are fixedly connected to both sides of the inner wall of the dirt remover body 1 .
[0036] Working principle: By starting the motor 402, the motor 402 rotates to drive the first forward and reverse screw 403 to rotate, and the synchronous belt 405 is driven to rotate through the synchronous wheel 404, thereby driving the second forward and reverse screw 406 to rotate, and driving the screw sleeves 407 on the surfaces of the first forward and reverse screw 403 and the second forward and reverse screw 406 to move inward, thereby driving the clamping rod 408 to support the top, driving the lifting frame 409 to move to the top, and limiting it through the vertical rod 412 and the limiting ball 413, and at the same time driving the protective net 410 to rise, to protect larger particles and prevent larger particles from popping out and falling to the ground.
[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A rotary grille dirt remover, characterized in that: include, The dirt removal machine body (1); A special-shaped plate (2), wherein the special-shaped plate (2) is fixedly mounted on the left side of the dirt remover body (1); A screening mechanism (3), the screening mechanism (3) comprising a motor (35) mounted on the surface of the special-shaped plate (2), wherein the motor (35) can run on the surface of the special-shaped plate (2); A protection mechanism (4), the protection mechanism (4) comprising a fixed frame (401) installed inside the dirt remover body (1), a motor (402) fixedly installed inside the fixed frame (401), a first forward and reverse rotating screw (403) fixedly connected to the output end of the motor (402), a synchronous belt (405) movably connected to the surface of the first forward and reverse rotating screw (403) via a synchronous wheel (404), and a second forward and reverse rotating screw (406) movably connected to the right side of the synchronous belt (405) via the synchronous wheel (404); Wherein: by starting the motor (402), the motor (402) rotates to drive the first forward and reverse screw (403) to rotate, and the synchronous belt (405) is driven to rotate through the synchronous wheel (404), thereby driving the second forward and reverse screw (406) to rotate, driving the screw sleeves (407) on the surfaces of the first forward and reverse screw (403) and the second forward and reverse screw (406) to move inward, thereby driving the clamping rod (408) to support the top, driving the lifting frame (409) to move toward the top, and limiting the position through the vertical rod (412) and the limiting ball (413), while driving the protection net (410) to rise, thereby protecting larger particles and preventing the larger particles from popping outward and falling to the ground.
2. A rotary screen dirt remover according to claim 1, characterized in that: The screening mechanism (3) comprises a rotating disk (31) fixed to the output end of a motor (35), and a rotating block (32) is fixedly connected to the surface of the rotating disk (31).
3. A rotary screen dirt remover according to claim 2, characterized in that: The surface of the rotating block (32) is slidably connected to a connecting rod (33), the right side of the connecting rod (33) is movably connected to a pull rod (34) via an axle pin, the pull rod (34) passes through the right side of the special-shaped plate (2), and the pull rod (34) is fixedly connected to the fixed frame (401).
4. A rotary screen dirt remover according to claim 1, characterized in that: The protection mechanism (4) comprises four screw sleeves (407) movably connected to the surfaces of the first forward and reverse screw rod (403) and the second forward and reverse screw rod (406); the surfaces of the screw sleeves (407) are movably connected to a clamping rod (408) via an axle pin; the top of the clamping rod (408) is movably connected to a lifting frame (409) via an axle pin; the bottom of the lifting frame (409) is fixedly connected to a protection net (410); the bottom of the protection net (410) is fixedly connected to the top of the lifting frame (409); and the inner side of the fixed frame (401) is fixedly connected to a screen (411).
5. A rotary screen dirt remover according to claim 4, characterized in that: The four corners of the lifting frame (409) are slidably connected to vertical rods (412), the bottom of the vertical rod (412) is fixedly connected to the top of the fixed frame (401), and the top of the vertical rod (412) is fixedly connected to a limiting ball (413).
6. A rotary screen dirt remover according to claim 1, characterized in that: A slide rail used in conjunction with the fixing frame (401) is provided at the bottom of the fixing frame (401), and two ends of the slide rail are fixedly connected to two sides of the inner wall of the dirt remover body (1).