Grille cleaner

Abstract

The utility model relates to a bar screen machine which comprises a machine frame. The multiple grating plates are distributed in the thickness direction of the grating plates, a gap is formed between every two adjacent grating plates, the grating plates are in a closed-loop shape, and the circumferential outer edges and the circumferential inner walls of the grating plates are kidney-shaped; the driving assembly comprises a driving unit of the chain; the salvage net rack is attached to the outer side of the qualified grid plate and is connected with the chain; and the collecting assembly comprises a collecting tank and a collecting box, the collecting tank is obliquely and closely arranged on the back face of the rack, and the collecting box is arranged under the lower end of the collecting tank. According to the grille cleaner, the grille plates are distributed at intervals, so that gaps exist between the adjacent grille plates, water flows through the gaps, and compared with the prior art that through holes are formed in a grille frame, flowing of the water is facilitated, impurities on the water surface are driven to abut against the grille plates, so that the decontamination efficiency is improved, the rotation period of the fishing net frame is prolonged, and the service life of the fishing net frame is prolonged. Therefore, energy consumption is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a grille dirt remover. Background Art

[0002] A screen cleaner is a type of cleaning machine that separates solids and liquids through a screen to achieve sewage treatment.

[0003] In the prior art, for example, Chinese utility model patent No. CN220899759U discloses a rotary screen dirt remover, which relies on a rotary screen that rotates around its own circumference to drive the rake teeth to rotate. After the debris on the water surface is scooped up, it is guided into a conveying pipe by a second guide plate, and the spiral blades are driven by a second motor to rotate to convey and discharge the debris.

[0004] In the above-mentioned screen dirt remover, since the rotating screen is a strip structure with a certain width, it only relies on its own through holes for water to flow through, resulting in poor water flow when the screen dirt remover is running, affecting the dirt removal efficiency, and the size of the rake teeth is small, and the amount of debris that can be salvaged at one time is small, resulting in the device needing to continuously drive the rotating screen and the rake teeth to rotate in order to ensure the dirt removal effect, thereby increasing energy consumption.

[0005] Therefore, it is necessary to improve the grid dirt remover of the prior art. Utility Model Content

[0006] Therefore, the technical problem to be solved by the utility model is to overcome the technical problems of low pollution removal efficiency and high energy consumption in the prior art.

[0007] In order to solve the above technical problems, the utility model provides a grille dirt remover, comprising:

[0008] frame;

[0009] A grid plate, wherein a plurality of grid plates are provided and distributed on the frame along the thickness direction thereof, gaps are provided between adjacent grid plates, and the grid plate is in a closed loop shape, and both the circumferential outer edge and the circumferential inner wall are in an oval shape;

[0010] A driving assembly, the driving assembly comprising a chain arranged on the inner side of the grid plate and having an oval shape, and a driving unit arranged on the frame and used for driving the chain to rotate in a circumferential direction, wherein two ends of the chain and two ends of the grid plate are coaxial;

[0011] A salvage grid, the salvage grid is attached to the outer side of the grid plate and connected to the chain to salvage debris on the water surface;

[0012] The collecting assembly comprises a collecting trough and a collecting box both of which are open at the tops. The collecting trough is inclined and arranged close to the back of the frame, and the collecting box is arranged just below the lower end of the collecting trough.

[0013] As a further improvement of the present invention, in order to realize the connection between the salvage grid and the chain, a mounting member is arranged between the salvage grid and the chain, and the mounting member includes a mounting seat and a docking shaft. The mounting seat is connected to the chain and is located on the inner side of the gap, one end of the docking shaft is connected to the mounting seat, and the other end of the docking shaft passes through the gap and is connected to the salvage grid.

[0014] As a further improvement of the present invention, in order to facilitate the adjustment of the number of salvaging grids, at least two mounting members are distributed along the circumference of the chain, and the docking shaft is detachably connected to the salvaging grid.

[0015] As a further improvement of the utility model, in order to realize a detachable connection between the salvage grid and the mounting part, the docking shaft includes a threaded screw and a screw sleeve, the screw is arranged on the mounting seat, the screw sleeve and the screw both pass through the gap, the salvage grid is provided with a plug-in through hole, the screw sleeve is sealingly penetrated through the inner side of the plug-in through hole, the circumferential outer edge of the screw sleeve is provided with a limiting flange, and the salvage grid is fitted between the grating plate and the limiting flange.

[0016] As a further improvement of the present invention, in order to prevent the screw from rusting, the screw sleeve is sealedly connected to the mounting seat to enclose and form a sealed cavity surrounding the screw.

[0017] As a further improvement of the present utility model, in order to drive the chain to rotate, the driving unit includes a driving motor, a driving sprocket and a driven sprocket. The driving motor is fixed on the frame and fixedly connected to the driving sprocket coaxially. The driving sprocket and the driven sprocket both rotate on the frame around their own axis. The driving sprocket, the driven sprocket and the chain are transmission connected.

[0018] As a further improvement of the present invention, in order to facilitate fixing the position of the grid plate, the frame includes a fixed axis extending along the distribution direction of the grid plate and fixed plates arranged at both ends of the fixed axis, the mounting member includes two docking axes, and the two docking axes respectively correspond to the fixed plates at both ends of the fixed axis, the grid plate includes an end grid sheet arranged between the fixed plate and the docking axis corresponding to the fixed plate, and a middle grid sheet arranged between the docking axes, the end grid sheet is fixedly connected to the fixed plate, and the middle grid sheet is connected to the fixed plate via a positioning member.

[0019] As a further improvement of the present invention, in order to ensure the stability of the position of the grille plate, two positioning members are provided, which are respectively located at the two ends of the inner side of the grille plate, and each positioning member is in contact with the inner wall of the end of the grille plate.

[0020] As a further improvement of the present invention, in order to facilitate the fixing of the middle grille plate, the driving motor is connected to the driving sprocket coaxially through a driving shaft, and the two positioning members are respectively sealed and sleeved outside the driving shaft and the fixed shaft, and the positioning member includes a positioning shaft and a positioning unit distributed axially along the positioning shaft and corresponding one to one with the middle grille plate, and the positioning unit includes at least two positioning grooves distributed circumferentially along the positioning shaft, the inner bottom wall of the positioning groove is in contact with the inner wall of the end of the grille plate, and the inner side wall of the positioning groove is in contact with the two end surfaces of the grille plate.

[0021] As a further improvement of the present invention, in order to ensure the stability of the position of the middle grille sheet, the annular array of positioning grooves is distributed on the circumferential outer edge of the positioning shaft.

[0022] Compared with the prior art, the grid dirt remover of the utility model, by distributing the grid plates at intervals, allows gaps to exist between adjacent grid plates for water to flow through. Compared with the prior art grid frames with through holes, it is more conducive to the flow of water, so as to drive the debris on the water surface to lean against the grid plates, thereby helping to improve the dirt removal efficiency and extend the rotation cycle of the salvage grid, thereby saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein:

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 yes Figure 1 Explosion diagram of

[0026] Figure 3 yes Figure 1 A partial structural diagram of

[0027] Figure 4 yes Figure 3 Explosion diagram of

[0028] Figure 5 It is a structural schematic diagram of the positioning member of the utility model;

[0029] Figure 6 It is a structural schematic diagram of the salvage grid of the utility model;

[0030] Figure 7It is a structural schematic diagram of the mounting member of the utility model;

[0031] Figure 8 yes Figure 7 Explosion diagram of

[0032] Fig. 9 yes Figure 7 Schematic diagram of the explosion from another perspective;

[0033] Explanation of the reference numerals in the specification: 1. frame; 11. fixed shaft; 12. fixed plate; 13. positioning member; 131. positioning shaft; 132. positioning groove; 14. side plate; 2. grille plate; 21. end grille plate; 22. middle grille plate; 3. chain; 4. drive unit; 41. drive motor; 42. drive sprocket; 43. driven sprocket; 44. drive shaft; 45. bearing; 46. sealing cap; 5. mounting member; 51. mounting seat; 511. mounting frame; 512. sealing cover; 513. boss; 52. docking shaft; 521. screw; 522. screw sleeve; 523. limit flange; 524. notch; 6. salvage grid; 61. plug-in through hole; 7. collection assembly; 71. collection trough; 711. leaking hole; 712. vibrator; 72. collection box. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0035] It should be noted that when an element is referred to as being "disposed on" or "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "fixed on" another element, or "fixedly connected" to another element, they may be fixed in a detachable manner or in a non-detachable manner. When an element is considered to be "connected" or "rotatably connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used are for illustrative purposes only and do not represent the only implementation method.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to restrict the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] The terms “first”, “second”, “third” and the like in the present invention do not represent specific quantities and sequences, but are merely used to distinguish names.

[0038] Reference Figure 1-Figure 9 As shown, the grille dirt remover of the utility model comprises:

[0039] Rack 1;

[0040] A grid plate 2, wherein a plurality of grid plates 2 are provided and distributed on the frame 1 along the thickness direction thereof, and gaps are provided between adjacent grid plates 2. The grid plates 2 are in a closed loop shape, and both the circumferential outer edge and the circumferential inner wall are oval-shaped;

[0041] The driving assembly includes a chain 3 which is disposed inside the grating plate 2 and is in an oval shape, and a driving unit 4 which is disposed on the frame 1 and is used to drive the chain 3 to rotate in a circumferential direction, and two ends of the chain 3 and two ends of the grating plate 2 are coaxial;

[0042] A salvage grid 6, which is attached to the outer side of the grid plate 2 and connected to the chain 3, so as to salvage debris on the water surface;

[0043] The collecting assembly 7 includes a collecting trough 71 and a collecting box 72 both of which are open at the top. The collecting trough 71 is inclined and arranged adjacent to the back of the frame 1, and the collecting box 72 is arranged directly below the lower end of the collecting trough 71.

[0044] Compared with the prior art, in the grille dirt remover of the utility model, the grille plates 2 are spaced apart along the thickness direction thereof, so that there are gaps between adjacent grille plates 2. When in use, one end of the grille plate 2 is inserted below the water surface, and the other end is kept above the horizontal plane, and there is an angle between the length direction of the grille plate 2 and the horizontal plane, so that water can flow through the gaps between the grille plates 2. Compared with the prior art in which the through holes for water supply and circulation are arranged on the grille frame, the gaps between the grille plates 2 are larger, which is more conducive to the flow of water in the river channel, thereby facilitating the water flow to drive the garbage and debris on the water surface to lean against one side of the grille plate 2. The driving unit 4 is utilized to drive the chain 3 to rotate, so that the salvage grid 6 rotates along the circumference of the grille plate 2. When the salvage grid 6 moves from below the water surface to above the water surface, the garbage and debris on the water surface can be salvaged, and the water in the garbage and debris falls through the mesh holes on the salvage grid 6. Then, the driving unit 4 controls the chain 3 to keep rotating, so that after the salvage grid 6 bypasses the highest point of the grille plate 2, the garbage and debris carried by the salvage grid 6 falls into the collecting groove 71 on the back of the frame 1, slides downward along the collecting groove 71, and finally enters the collecting box 72, thereby realizing the decontamination function.

[0045] Specifically, the frame 1 of the utility model includes a fixed shaft 11 and two fixed plates 12, the axis of the fixed shaft 11 is parallel to the distribution direction of the grid plate 2, the two fixed plates 12 are both oval, and are respectively fixed at both ends of the fixed shaft 11, along the axial direction of the fixed shaft 11, the projection of the circumferential outer edge of the grid plate 2 coincides with the projection of the circumferential outer edge of the fixed plate 12, the axis of the fixed shaft 11 coincides with the axis of the bottom end of the fixed plate 12 and the axis of the bottom end of the grid plate 2, and the opposite back sides of the two fixed plates 12 are fixedly provided with L-shaped side plates 14 to facilitate fixing the frame 1.

[0046] like Figure 1 and Figure 2 As shown, the drive unit 4 includes a drive motor 41, a drive sprocket 42, a driven sprocket 43, a drive shaft 44, a bearing 45 and a sealing cap 46. The drive motor 41 and the sealing cap 46 are respectively fixed to the top ends of the opposite sides of the two fixed plates 12. The drive shaft 44 is penetrated through the top ends of the two fixed plates 12. The outer ring of the bearing 45 is fixedly connected to the circumferential inner wall of the sealing cap 46, and the inner ring is fixedly connected to the drive shaft 44. There are two drive sprockets 42 and driven sprockets 43 and they correspond to each other one by one. There are two chains 3, which are located between the two fixed plates 12 and are adjacent to the two fixed plates 12 in a one-to-one correspondence. The drive sprocket 42 is fixed on the drive shaft 44 coaxially, and the driven sprocket 43 is sleeved on the fixed shaft 11 coaxially and rotates around its own axis. The drive sprocket 42 is transmission-connected to the driven sprocket 43 through the chain 3.

[0047] After adopting the above structure, the end of the driving shaft 44 is sealed by the sealing cap 46, the bearing 45 is used to ensure the stable rotation of the driving shaft 44 around its own axis, and the connection between the two fixing plates 12 is strengthened to ensure the stability of the frame 1. After the driving motor 41 drives the driving sprocket 42 to rotate through the driving shaft 44, since the driving sprocket 42 is connected to the driven sprocket 43 through the chain 3, the chain 3 rotates circumferentially while the driven sprocket 43 rotates.

[0048] Two chains 3 are provided, and are respectively adjacent to two fixing plates 12 , so as to ensure that after the chain 3 rotates, it can drive the salvage grid 6 connected thereto to rotate stably along the circumference of the grid plate 2 .

[0049] The collecting assembly 7 on the back of the rack 1 is as shown in FIG. Figure 1 and Figure 2 As shown, two collecting troughs 71 are provided and both are inclined, the higher ends of the two collecting troughs 71 are connected to each other, and a collecting box 72 is provided below the lower end, a vibrator 712 is provided below the collecting trough 71, and a water leakage hole 711 is provided at the bottom of the collecting trough 71.

[0050] After adopting the above structure, the salvage grid 6 pours the garbage and debris it carries onto the collection trough 71, and the collection trough 71 receives the garbage and debris. The vibrator 712 drives the collection trough 71 to vibrate, so that the garbage and debris can slide down along the collection trough 71 and enter the collection box 72. During the process of the garbage and debris sliding down along the collection trough 71, the moisture in the garbage and debris can fall onto the water surface through the leakage hole 711, thereby avoiding excessive moisture in the garbage and debris in the collection box 72.

[0051] A further improvement is that a mounting member 5 is provided between the salvage grid 6 and the chain 3, the mounting member 5 comprising a mounting seat 51 and a docking shaft 52, the mounting seat 51 is connected to the chain 3 and is located on the inner side of the gap, one end of the docking shaft 52 is connected to the mounting seat 51, and the other end of the docking shaft 52 passes through the gap and is connected to the salvage grid 6; there are at least two mounting members 5 distributed along the circumference of the chain 3, and the docking shaft 52 is detachably connected to the salvage grid 6.

[0052] In the utility model, the mounting member 5 is arranged on the outer periphery of the chain 3 and is located on the inner side of the grating plate 2. A plurality of mounting members 5 are provided and are detachably connected to the salvage grid 6. With this structure, the number of the salvage grids 6 of the device itself can be flexibly adjusted according to the situation of garbage on the water surface. When there is a lot of garbage on the water surface, the salvage grids 6 are installed on some idle mounting members 5, that is, the number of salvage grids 6 is increased to improve the pollution removal efficiency. When there is less garbage on the water surface, some of the salvage grids 6 can be removed from the mounting members 5, that is, the number of salvage grids 6 is reduced to reduce the weight of the equipment itself, and the load when the chain 3 rotates is reduced, thereby saving energy consumption.

[0053] A further improvement is that the docking shaft 52 includes a threaded screw 521 and a screw sleeve 522, the screw 521 is arranged on the mounting seat 51, the screw sleeve 522 and the screw 521 both pass through a gap, and a plug-in through hole 61 is provided on the salvage grid 6, the screw sleeve 522 is sealingly penetrated through the inner side of the plug-in through hole 61, and a limiting flange 523 is provided on the circumferential outer edge of the screw sleeve 522, and the salvage grid 6 is fitted between the grating plate 2 and the limiting flange 523; the screw sleeve 522 is sealingly connected to the mounting seat 51 to enclose a sealed cavity surrounding the screw 521; the mounting member 5 includes two docking shafts 52, and the two docking shafts 52 respectively correspond to the fixed plates 12 at both ends of the fixed shaft 11.

[0054] Specifically, Figure 3-Figure 9As shown, in the mounting member 5, the mounting seat 51 includes a long strip-shaped mounting frame 511, both ends of the mounting frame 511 are fixedly connected to the chain 3, and the mounting frame 511 is provided with step holes distributed along its own length direction, and a sealing cover 512 is provided at the end of the step hole with a larger aperture through a welding cover, and a regular hexagonal prism-shaped boss 513 is provided on the side of the sealing cover 512 adjacent to the step hole, and the cap of the screw rod 521 is located in the step hole, and the rod portion is inserted into the hole with a smaller aperture of the step hole, and the cap portion is provided with a recess 524 adapted to the boss 513; the salvage grid 6 includes a first grid and two second grids, both of which are rectangular, and the length direction of the first grid is consistent with the distribution direction of the grid plate 2, and the second grid is fixed to the end of the first grid; two pairs of plug-in through holes 61 are provided below the first grid, and the inner diameter of the plug-in through hole 61 is consistent with the outer diameter of the screw sleeve 522.

[0055] After adopting the above structure, when it is necessary to install the salvage grid 6, align the plug-in through hole 61 on the salvage grid 6 with the screw 521 on one of the mounting members 5, and screw the screw sleeve 522 into the plug-in through hole 61. Since the regular hexagonal boss 513 is matched with the notch 524 of the cap of the screw 521, during the rotation of the screw sleeve 522, the position of the screw 521 is fixed and the screw sleeve 522 is kept screwed in, so that the limiting flange 523 abuts against the salvage grid. 6, the salvage grid 6 fits the grating plate 2, and the screw sleeve 522 is sealed and connected with the mounting seat 51 to enclose and form a sealed cavity surrounding the screw rod 521, which can protect the screw rod 521 and prevent the screw rod 521 from rusting. This is conducive to the stable connection between the screw rod 521 and the screw sleeve 522; when the salvage grid 6 needs to be removed, it is only necessary to rotate the screw sleeve 522 in the reverse direction so that the screw sleeve 522 and the screw rod 521 are separated, and then the salvage grid 6 can be removed.

[0056] A further improvement is that the grid plate 2 includes an end grid sheet 21 disposed between the fixed plate 12 and the docking shaft 52 corresponding to the fixed plate 12, and a middle grid sheet 22 disposed between the docking shafts 52, the end grid sheet 21 is fixedly connected to the fixed plate 12, and the middle grid sheet 22 is connected to the fixed plate 12 through a positioning member 13; two positioning members 13 are provided, which are respectively located at the two ends of the inner side of the grid plate 2, and each positioning member 13 is in contact with the inner wall of the end of the grid plate 2; the two positioning members 13 are respectively The sealing sleeve is arranged outside the driving shaft 44 and the fixed shaft 11, and the positioning member 13 includes a positioning shaft 131 and a positioning unit distributed axially along the positioning shaft 131 and corresponding one to one with the middle grille plate 22, and the positioning unit includes at least two positioning grooves 132 distributed circumferentially along the positioning shaft 131, the inner bottom wall of the positioning groove 132 is in contact with the inner wall of the end of the grille plate 2, and the inner side wall of the positioning groove 132 is in contact with the two end surfaces of the grille plate 2; the positioning grooves 132 are distributed in a ring array on the circumferential outer edge of the positioning shaft 131.

[0057] Specifically, in the present invention, the grid plate 2 is provided with multiple, respectively, two end grid plates 21 and multiple middle grid plates 22, wherein the two end grid plates 21 are fixedly connected to the two fixing plates 12 respectively, and the middle grid plate 22 is located between the two end grid plates 21.

[0058] The two positioning members 13 each include a positioning shaft 131 and a positioning unit. The positioning shafts 131 of the two positioning members 13 are respectively sealed and sleeved outside the fixed shaft 11 and the driving shaft 44. Since the positions of the fixed shaft 11 and the driving shaft 44 remain unchanged, the position of the positioning shaft 131 is fixed. The number of positioning units is equal to the number of the middle grille sheet 22 and corresponds one to one. The positioning unit includes four positioning grooves 132 distributed in an annular array. The positioning grooves 132 are arc-shaped grooves with groove openings facing outwards. The outer diameter of the groove bottom is consistent with the inner diameter of the end of the middle grille sheet 22, so as to ensure that the groove bottom of the positioning groove 132 is consistent with the inner wall of the end of the middle grille sheet 22. The two inner walls opposite to the positioning groove 132 are in sealing contact with the two end surfaces of the middle grille sheet 22. In this way, there is always a positioning groove 132 in the positioning member 13 that is in sealing contact with the middle grille sheet 22, and the two positioning members 13 are respectively located at the two ends of the inner side of the middle grille sheet 22. Even if the chain 3 rotates, driving the mounting member 5 to rotate so that the mounting frame 511 contacts the positioning member 13, the two positioning members 13 always have the positioning groove 132 that is in sealing contact with the middle grille sheet 22, thereby fixing the position of the middle grille sheet 2, ensuring that the position of the grille plate 2 is fixed, and allowing a gap to exist between adjacent grille plates 2.

[0059] Since the gap between adjacent grating plates 2 is stable, it is convenient for water to flow through, driving garbage and debris to flow toward the grating plates 2, avoiding the slow water flow affecting the garbage collection speed and pollution removal efficiency. The salvage grid 6 can salvage a large amount of garbage and debris at one time and pour it into the collection tank 71. The chain 3 does not need to rotate frequently, which extends the rotation cycle of the salvage grid 6, thereby helping to reduce energy consumption.

[0060] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A grille decontamination machine, characterized in that: include: Rack (1); A grid plate (2), wherein a plurality of grid plates (2) are provided and distributed on the frame (1) along the thickness direction thereof, gaps are provided between adjacent grid plates (2), and the grid plates (2) are in a closed loop shape and both the circumferential outer edge and the circumferential inner wall are oval in shape; A driving assembly, the driving assembly comprising a chain (3) which is arranged on the inner side of the grid plate (2) and is in the shape of an oval circle, and a driving unit (4) which is arranged on the frame (1) and is used to drive the chain (3) to rotate in a circumferential direction, wherein two ends of the chain (3) and two ends of the grid plate (2) are coaxial; A salvage grid (6), wherein the salvage grid (6) is attached to the outer side of the grid plate (2) and connected to the chain (3) to salvage debris on the water surface; A collecting assembly (7), the collecting assembly (7) comprising a collecting trough (71) with an open top and a collecting box (72), the collecting trough (71) being inclined and arranged closely to the back of the frame (1), and the collecting box (72) being arranged directly below the lower end of the collecting trough (71).

2. The grille dirt remover according to claim 1, characterized in that: A mounting member (5) is provided between the salvaging grid (6) and the chain (3), the mounting member (5) comprising a mounting seat (51) and a docking shaft (52), the mounting seat (51) being connected to the chain (3) and being located on the inner side of the gap, one end of the docking shaft (52) being connected to the mounting seat (51), and the other end of the docking shaft (52) passing through the gap and being connected to the salvaging grid (6).

3. The grille dirt remover according to claim 2, characterized in that: At least two of the mounting parts (5) are distributed along the circumference of the chain (3), and the docking shaft (52) is detachably connected to the salvaging grid (6).

4. The grille dirt remover according to claim 3, characterized in that: The docking shaft (52) comprises a screw (521) and a screw sleeve (522) which are threadedly connected. The screw (521) is arranged on the mounting seat (51). The screw sleeve (522) and the screw (521) both pass through the gap. The salvaging grid (6) is provided with a plug-in through hole (61). The screw sleeve (522) is sealingly penetrated through the inner side of the plug-in through hole (61). The circumferential outer edge of the screw sleeve (522) is provided with a limiting flange (523). The salvaging grid (6) is fitted between the grid plate (2) and the limiting flange (523).

5. The grille dirt remover according to claim 4, characterized in that: The screw sleeve (522) is sealingly connected to the mounting seat (51) to enclose and form a sealed cavity surrounding the screw rod (521).

6. The grille dirt remover according to claim 2, characterized in that: The driving unit (4) comprises a driving motor (41), a driving sprocket (42) and a driven sprocket (43); the driving motor (41) is fixed on the frame (1) and fixedly connected to the driving sprocket (42) coaxially; the driving sprocket (42) and the driven sprocket (43) both rotate on the frame (1) around their own axis; the driving sprocket (42), the driven sprocket (43) and the chain (3) are transmission-connected.

7. The grille dirt remover according to claim 6, characterized in that: The frame (1) comprises a fixed shaft (11) extending along the distribution direction of the grid plate (2) and fixed plates (12) arranged at both ends of the fixed shaft (11); the mounting member (5) comprises two docking shafts (52), the two docking shafts (52) respectively corresponding to the fixed plates (12) at both ends of the fixed shaft (11); the grid plate (2) comprises an end grid sheet (21) arranged between the fixed plate (12) and the docking shaft (52) corresponding to the fixed plate (12), and a middle grid sheet (22) arranged between the docking shafts (52); the end grid sheet (21) is fixedly connected to the fixed plate (12), and the middle grid sheet (22) is connected to the fixed plate (12) via a positioning member (13).

8. The grille dirt remover according to claim 7, characterized in that: Two positioning members (13) are provided, which are respectively located at two ends of the inner side of the grid plate (2), and each positioning member (13) is in contact with the inner wall of the end of the grid plate (2).

9. The grille dirt remover according to claim 8, characterized in that: The driving motor (41) is coaxially connected to the driving sprocket (42) via a driving shaft (44); the two positioning members (13) are respectively sealed and sleeved outside the driving shaft (44) and the fixed shaft (11); the positioning member (13) comprises a positioning shaft (131) and a positioning unit axially distributed along the positioning shaft (131) and corresponding one-to-one with the middle grille plate (22); the positioning unit comprises at least two positioning grooves (132) circumferentially distributed along the positioning shaft (131); the inner bottom wall of the positioning groove (132) is in contact with the inner wall of the end of the grille plate (2); and the inner side wall of the positioning groove (132) is in contact with the two end surfaces of the grille plate (2).

10. The grille dirt remover according to claim 9, characterized in that: The positioning grooves (132) are distributed in an annular array on the circumferential outer edge of the positioning shaft (131).

Images