CN221234604U - Flexible cleaning device for conveying belt on belt conveyor - Google Patents

Abstract

The utility model discloses a flexible cleaning device for a conveying belt on a belt conveyor, in particular to the technical field of belt dust removal, which comprises a base, wherein a belt conveyor main body is arranged at the top of the base, a cleaning component for cleaning the belt conveyor is arranged below the belt conveyor main body, and comprises a collecting box fixedly connected with the top of the base, a discharging box connected with one side of the top of the collecting box and a dust collecting box connected with the top of the discharging box.

Description

Flexible cleaning device for conveying belt on belt conveyor

Technical Field

The utility model relates to the technical field of belt dust removal, in particular to a flexible cleaning device for a conveying belt on a belt conveyor.

Background

The belt conveyer is a machine for transporting materials by using endless motion of a belt, is mainly used for transporting crushed materials, can be used for single transportation or can be used for forming a horizontal or inclined transportation system with other transportation equipment according to the transportation process requirements, is suitable for transporting powdery, granular and small-block low-polished cut materials and bagged materials which are easy to pick out, such as coal, broken stone, sand, cement, chemical fertilizer, grain and the like, and can be widely applied to transportation and production lines of industries such as mining, metallurgy, chemical industry, casting, building materials and the like and production departments such as hydropower station construction sites and harbors.

The prior patent CN208647883U discloses a belt conveyor, which comprises a base, wherein a driving pulley and a driven pulley with adjustable height are arranged on the base, a conveying belt is sleeved between the driving pulley and the driven pulley, the driven pulley is supported on the base through a lifting mechanism, a tensioning mechanism for keeping the telescopic tensioning of the conveying belt in the lifting process of the driven pulley is arranged on the base, a first bracket is arranged on the left side of the base, driving wheel shafts are arranged at two ends of the driving pulley, driving wheels at two ends of the driving pulley are sleeved on bearings arranged at the top of the first bracket in a sleeved mode, and a driving pulley driving mechanism is arranged on the base; the utility model provides a belt conveyor which is ingenious in structural arrangement and reasonable in arrangement, can adjust the upper side inclination angle of a conveying belt so as to adjust the conveying height of the belt conveyor, and can keep the telescopic tension of the conveying belt in the lifting process of a driven belt wheel, so that the conveying stability is improved, and the belt conveyor is greatly convenient to use.

At present, a belt conveyer is required to clean a conveying belt in the use process, but the current cleaning mode is relatively single, and impurities on the conveying belt of the belt conveyer are scraped by a scraper plate and the like, so that the cleaning effect of the belt conveyer is relatively poor, massive impurities on the belt conveyer are not easy to scrape off, the impurities remain easily on the belt conveyer, and the belt conveyer is inconvenient to commonly apply.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a flexible cleaning device for a conveying belt on a belt conveyor, which aims to solve the technical problems that: at present, a belt conveyer is required to clean a conveying belt in the use process, but the current cleaning mode is relatively single, and impurities on the conveying belt of the belt conveyer are scraped by a scraper plate and the like, so that the cleaning effect of the belt conveyer is relatively poor, massive impurities on the belt conveyer are not easy to scrape off, the impurities remain easily on the belt conveyer, and the belt conveyer is inconvenient to commonly apply.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flexible cleaning device for the conveying belt on the belt conveyor comprises a base, wherein a belt conveyor main body is arranged at the top of the base, and a cleaning component for cleaning the belt conveyor is arranged below the belt conveyor main body;

The cleaning component comprises a collecting box fixedly connected with the top of the base, a discharging box connected with one side of the top of the collecting box, a dust collecting box connected with the top of the discharging box, an inclined plate connected with one side of the top of the dust collecting box, a first groove formed in the inclined plate, a scraping plate arranged in the first groove, a plurality of first springs arranged on one side of the scraping plate uniformly, a support plate fixedly connected with one side of the top of the dust collecting box, a cleaning brush fixedly connected with the top of the support plate, a flexible shroud plate fixedly connected with the outer side of the scraping plate, a beating component for cleaning massive impurities, a cleaning component for cleaning dust collecting box impurities and a dust collecting component for collecting dust.

As a further aspect of the utility model: the beating part comprises a protection box connected with the other side of the top of the collection box, a rotating shaft connected with the protection box, a motor connected with one end of the rotating shaft, a plurality of rotating plates uniformly arranged on the outer side of the rotating shaft, a second groove formed in the rotating plate, a sliding rod arranged in the second groove, a second spring sleeved on the outer side of the sliding rod and a beating ball fixedly connected with the other end of the sliding rod, wherein the protection box is communicated with the collection box, the sliding rod is in sliding connection with the second groove, two ends of the second spring are respectively fixedly connected with the second groove and the sliding rod, the cross section of the second groove and the cross section of the sliding rod are in a T shape, the rotating plates are fixedly connected with the rotating shaft, and the rotating shaft is rotationally connected with the protection box.

As a further aspect of the utility model: limiting grooves are respectively formed in two sides in the second groove, limiting blocks are arranged in the limiting grooves and are in sliding connection with the limiting grooves, and the limiting blocks are fixedly connected with the sliding rods.

As a further aspect of the utility model: the cleaning component comprises a swinging opening formed in one side of the dust collection box, a first supporting plate fixedly connected with one side of the dust collection box, a first rotating rod connected with the first supporting plate, a rotating disc fixedly connected with the first rotating rod, a fixed rod connected with the rotating disc, a swinging rod connected with the fixed rod, a pushing plate connected with the other end of the swinging rod, a control component for rotating the rotating disc and a guide component for guaranteeing the moving stability of the pushing plate, wherein two ends of the swinging rod are hinged with the fixed rod and the pushing plate respectively, and the first rotating rod is connected with the first supporting plate in a rotating mode.

As a further aspect of the utility model: the dust collection component comprises an extension plate fixedly connected with one side of the dust collection box, a dust collection box fixedly connected with the top of the extension plate, a guide box arranged between the dust collection box and the collection box, a filter plate connected with the inner wall of the dust collection box, a second rotating rod connected with one side of the dust collection box, exhaust fan blades connected with the outer side of the second rotating rod, a plurality of air suction covers uniformly arranged on the other side of the dust collection box and a driving component for the rotation of the exhaust fan blades, wherein two ends of the guide box are respectively communicated with the dust collection box and the collection box, and the second rotating rod is rotationally connected with the dust collection box.

As a further aspect of the utility model: the control part comprises a driving bevel gear fixedly connected with the outer side of the rotating shaft, a driven bevel gear connected with the driving bevel gear and a second supporting plate connected with the protection box, the driving bevel gear is meshed with the driven bevel gear, the first rotating rod is rotationally connected with the second supporting plate, and the first rotating rod is fixedly connected with the driven bevel gear.

As a further aspect of the utility model: the guide part comprises guide grooves respectively formed in two sides of the dust collection box and guide blocks respectively fixedly connected with two sides of the push plate, and the guide blocks are in sliding connection with the guide grooves.

As a further aspect of the utility model: the driving part comprises a large belt pulley fixedly connected with the outer side of the rotating shaft, a small belt pulley fixedly connected with the outer side of the second rotating rod and a first belt arranged between the large belt pulley and the small belt pulley, and the large belt pulley and the small belt pulley are in transmission connection through the first belt.

As a further aspect of the utility model: the collecting box is characterized in that a box door is arranged on one side of the collecting box, a handle is fixedly connected to one side of the box door, and the outer side of the handle is arc-shaped.

The utility model has the beneficial effects that:

1. According to the utility model, the motor is provided with the cleaning component and the beating component, the rotating shaft can be controlled to rotate, the beating ball can swing outwards under the action of centrifugal force, the beating ball can move to beat large-block impurities on the conveying belt of the belt conveyor main body, the large-block impurities can fall off from the conveying belt of the belt conveyor main body, the first spring can drive the beating ball to reset, the beating ball can further repeatedly beat the conveying belt of the belt conveyor main body, dust on the conveying belt of the belt conveyor main body can be cleaned through the cleaning brush, residual impurities on the conveying belt of the belt conveyor main body can be flexibly cleaned and scraped through the scraping plate and the flexible covering plate, the cleaning effect on the conveying belt of the belt conveyor main body can be improved, the cleaning effect on the conveying belt of the belt conveyor main body can be greatly improved through various cleaning modes, the residual probability on the conveying belt of the belt conveyor main body can be reduced, and the cleaning effect is convenient for general application.

2. According to the utility model, the cleaning component, the control component, the guide component, the dust collection component and the driving component are arranged, the driving bevel gear and the large belt pulley can be driven to rotate through the rotating shaft, the driving bevel gear can control the driven bevel gear to drive the first rotating rod to rotate, the rotating disc can be driven to rotate, the swinging rod can be controlled to push the pushing plate to move, impurities collected in the dust collection box can be pushed into the blanking box, the pushing plate can move reciprocally due to the fact that the rotating disc continuously rotates, the impurities can be pushed into the collection box repeatedly, the large belt pulley rotates to drive the second rotating rod and the exhaust fan blade to rotate fast through the first belt and the small belt pulley, dust cleaned by the cleaning brush can be pumped into the dust collection box through the suction hood, and filtered through the filter plate, so that the dust falls into the collection box through the guide box, and the impurity dust and the like can be uniformly collected through the collection box, and the impurities are synchronously collected while cleaning is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a perspective cross-sectional view of the utility model at A-A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 3 at E in accordance with the present utility model;

FIG. 5 is a front view of the present utility model;

FIG. 6 is a perspective cross-sectional view of the present utility model at B-B in FIG. 5;

FIG. 7 is an enlarged view of the utility model at F in FIG. 6;

FIG. 8 is a perspective cross-sectional view of the utility model at C-C in FIG. 5;

FIG. 9 is an enlarged view of the utility model at G in FIG. 8;

fig. 10 is a perspective cross-sectional view of the present utility model at D-D in fig. 5.

In the figure: 1. a base; 11. a belt conveyor body; 21. a collection box; 22. discharging boxes; 23. a dust collection box; 24. a sloping plate; 25. a first groove; 26. a scraper; 27. a first spring; 28. a support plate; 29. cleaning brushes; 30. a flexible sheathing panel; 31. a protection box; 32. a rotating shaft; 33. a motor; 34. a rotating plate; 35. a second groove; 36. a slide bar; 37. a second spring; 38. striking a ball; 41. a limiting groove; 42. a limiting block; 51. a swinging port; 52. a first support plate; 53. a first rotating lever; 54. a rotating disc; 55. a fixed rod; 56. a swinging rod; 57. a push plate; 61. an extension plate; 62. a dust suction box; 63. a guide box; 64. a filter plate; 65. a second rotating lever; 66. exhaust fan blades; 67. an air suction cover; 71. a drive bevel gear; 72. a driven bevel gear; 73. a second support plate; 81. a guide groove; 82. a guide block; 91. a large pulley; 92. a small pulley; 93. a first belt; 101. a door; 102. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2, 3, 4, 5, 6, 8 and 10, the utility model provides a flexible cleaning device for a conveying belt on a belt conveyor, comprising a base 1, wherein the top of the base 1 is provided with a belt conveyor main body 11, a cleaning part for cleaning the belt conveyor is arranged below the belt conveyor main body 11, the cleaning part comprises a collecting box 21 fixedly connected with the top of the base 1, a blanking box 22 connected with one side of the top of the collecting box 21, a dust collecting box 23 connected with the top of the blanking box 22, a sloping plate 24 connected with one side of the top of the dust collecting box 23, a first groove 25 formed on the sloping plate 24, a scraping plate 26 arranged in the first groove 25, a plurality of first springs 27 uniformly arranged on one side of the scraping plate 26, a support plate 28 fixedly connected with one side of the top of the dust collecting box 23, a cleaning brush 29 fixedly connected with the top of the support plate 28, a flexible covering plate 30 fixedly connected with the outer side of the scraping plate 26, a beating part for beating up bulk impurities, a cleaning part for cleaning dust collecting box 23 impurities and a cleaning part for cleaning dust collecting dust box 23, a cleaning part 26 and a dust collecting part 26 connected with the first groove 25 and a dust collecting box 25 fixedly connected with the two ends of the first springs and a dust collecting box 25 are respectively connected with the first groove 25 and a dust collector main body 11, respectively, which is connected with the first groove and a second groove and a dust collector is fixedly connected with the first groove and a second groove and a dust collector is respectively, the cleaning brush 29 cleans the belt conveyor main body 11 of dust, the foreign substances on the conveying belt of the belt conveyor body 11 can be scraped off by the scraper 26 and the flexible cover plate 30, the first spring 27 is in a compressed state initially, so that the flexible shroud plate 30 can be ensured to be always contacted with the conveying belt, and the cleaning stability can be ensured;

The beating component comprises a protection box 31 connected with the other side of the top of the collecting box 21, a rotating shaft 32 connected with the protection box 31, a motor 33 connected with one end of the rotating shaft 32, a plurality of rotating plates 34 which are arranged on the outer side of the rotating shaft 32 uniformly, a second groove 35 arranged on the rotating plates 34, a sliding rod 36 arranged in the second groove 35, a second spring 37 sleeved on the outer side of the sliding rod 36 and a beating ball 38 fixedly connected with the other end of the sliding rod 36, wherein the protection box 31 is communicated with the collecting box 21, the sliding rod 36 is in sliding connection with the second groove 35, two ends of the second spring 37 are fixedly connected with the second groove 35 and the sliding rod 36 respectively, the section shapes of the second groove 35 and the sliding rod 36 are T-shaped, the rotating plates 34 are fixedly connected with the rotating shaft 32, the rotating shaft 32 are in rotating connection with the protection box 31, the rotating shaft 32 can be driven to rotate through the motor 33, the rotating plates 34 are rotated, the beating ball 38 is driven to move outwards under the action of centrifugal force, the second spring 37 is driven to deform, the beating ball 38 can beat large blocks on a conveying belt, the impurity can be beaten off the conveying belt conveniently, the large blocks are separated from the conveying belt, the second spring 37 can be reset to the inner side of the collecting belt 38, and the impurity can be repeatedly beaten off the conveying belt to the inside the collecting belt and can be repeatedly beaten to the outside the collecting belt and moved to the collecting box 38 after the impurity can be repeatedly beaten to the outside;

Limiting grooves 41 are respectively formed in two sides in the second groove 35, limiting blocks 42 are arranged in the limiting grooves 41, the limiting blocks 42 are in sliding connection with the limiting grooves 41, the limiting blocks 42 are fixedly connected with the sliding rods 36, the limiting blocks 42 can synchronously move with the sliding rods 36, the moving distance of the sliding rods 36 can be limited, the second springs 37 are prevented from being excessively deformed, and the second springs 37 can be protected.

As shown in fig. 1, 2, 3, 5, 6, 7, 8, 9 and 10, the cleaning component comprises a swinging opening 51 formed at one side of the dust box 23, a first supporting plate 52 fixedly connected with one side of the dust box 23, a first rotating rod 53 connected with the first supporting plate 52, a rotating disc 54 fixedly connected with the first rotating rod 53, a fixed rod 55 connected with the rotating disc 54, a swinging rod 56 connected with the fixed rod 55, a push plate 57 connected with the other end of the swinging rod 56, a control component for rotating the rotating disc 54 and a guide component for guaranteeing the movement stability of the push plate 57, two ends of the swinging rod 56 are respectively hinged with the fixed rod 55 and the push plate 57, the first rotating rod 53 is rotatably connected with the first supporting plate 52, the rotating disc 54 can be driven to rotate through the first rotating rod 53, the swinging rod 56 can be controlled to swing and push the push plate 57 to move, and impurities scraped by the scraper 26 can be pushed into the lower bin 22 from the dust box 23 to the collecting box 21 for collection;

The dust collection component comprises an extension plate 61 fixedly connected with one side of the dust collection box 23, a dust collection box 62 fixedly connected with the top of the extension plate 61, a guide box 63 arranged between the dust collection box 62 and the collection box 21, a filter plate 64 connected with the inner wall of the dust collection box 62, a second rotating rod 65 connected with one side of the dust collection box 62, an exhaust fan blade 66 connected with the outer side of the second rotating rod 65, a plurality of air suction covers 67 uniformly arranged on the other side of the dust collection box 62 and a driving component for rotating the exhaust fan blade 66, wherein two ends of the guide box 63 are respectively communicated with the dust collection box 62 and the collection box 21, the second rotating rod 65 is rotationally connected with the dust collection box 62, the exhaust fan blade 66 can be driven to rotate through the rotation of the second rotating rod 65, dust and the like cleaned by the cleaning brush 29 can be sucked into the dust collection box 62 through the air suction covers 67 and blocked through the filter plate 64, and the dust and the like can fall into the collection box 21 through the guide box 63 for collection;

The control part comprises a driving bevel gear 71 fixedly connected with the outer side of the rotating shaft 32, a driven bevel gear 72 connected with the driving bevel gear 71 and a second supporting plate 73 connected with the protection box 31, wherein the driving bevel gear 71 is meshed with the driven bevel gear 72, the first rotating rod 53 is rotationally connected with the second supporting plate 73, the first rotating rod 53 is fixedly connected with the driven bevel gear 72, the rotating shaft 32 rotates to drive the driving bevel gear 71 to rotate, then the driven bevel gear 72 can be driven to rotate, then the first rotating rod 53 can be driven to rotate, then the rotating disc 54 can be controlled to rotate, so that the push plate 57 can be conveniently driven to repeatedly move, and impurities can be conveniently pushed into the collecting box 21;

the guide part comprises guide grooves 81 respectively formed in two sides of the dust box 23 and guide blocks 82 fixedly connected with two sides of the push plate 57, the guide blocks 82 are in sliding connection with the guide grooves 81, the guide blocks 82 can synchronously move with the push plate 57, the stability of the movement of the push plate 57 can be ensured, the push plate 57 is prevented from being inclined, and the stability of cleaning impurities in the dust box 23 can be further ensured;

The driving part comprises a large belt pulley 91 fixedly connected with the outer side of the rotating shaft 32, a small belt pulley 92 fixedly connected with the outer side of the second rotating rod 65 and a first belt 93 arranged between the large belt pulley 91 and the small belt pulley 92, the large belt pulley 91 and the small belt pulley 92 are in transmission connection through the first belt 93, the rotating shaft 32 can drive the large belt pulley 91 to rotate, the first belt 93 and the small belt pulley 92 can drive the second rotating rod 65 to rotate, and then the exhaust fan blade 66 can be driven to rotate rapidly, so that cleaned dust is conveniently sucked into the dust collecting box 62, and then can fall into the collecting box 21 through the guide box 63;

The collecting box 21 is provided with the box door 101 on one side, the handle 102 is fixedly connected to one side of the box door 101, the outer side of the handle 102 is arc-shaped, and when the collecting box 21 is full, the box door 101 can be driven to move through the handle 102, the collecting box 21 can be opened, and impurity dust in the collecting box 21 can be conveniently cleaned out.

The working principle of the utility model is as follows:

When in use, the belt conveyor main body 11 starts to work, then the motor 33 is started, the motor 33 can drive the rotating shaft 32 to rotate, the rotating shaft 32 can drive the rotating plate 34, the driving bevel gear 71 and the large belt pulley 91 to rotate, the rotating plate 34 rotates under the action of centrifugal force to enable the sliding rod 36 to move outwards, the sliding rod 36 moves to drive the beating ball 38 to move outwards, meanwhile, the first spring 27 is deformed, the beating ball 38 moves to beat the conveying belt to beat the large impurities on the conveying belt, the large impurities on the conveying belt are beaten down, the first spring 27 can drive the beating ball 38 to reset through the protection box 31, the beating conveying belt repeatedly beaten by the beating ball 38 is continuously rotated, the cleaning brush 29 cleans dust on the conveying belt, the flexible cover plate 30 and the scraping plate 26 scrape residual impurities on the cleaned conveying belt, the scraped impurities fall into the dust box 23, the driving bevel gear 71 rotates to drive the driven bevel gear 72 to rotate, the driven bevel gear 72 rotates to drive the first rotating rod 53 to rotate, the first rotating rod 53 rotates to drive the rotating disc 54 to rotate, the rotating disc 54 rotates to drive the swinging rod 56 to swing, the swinging rod 56 swings to drive the pushing plate 57 to move, the pushing plate 57 moves to push the impurities falling into the dust box 23 into the blanking box 22 and then into the collecting box 21, the pushing plate 57 repeatedly moves to continuously push the fallen impurities into the collecting box 21 due to the continuous rotation of the rotating disc 54, the large belt pulley 91 rotates to drive the second rotating rod 65 to rotate fast through the small belt pulley 92 and the first belt 93, the second rotating rod 65 drives the exhaust fan blade 66 to rotate fast, and then can inhale the dust that cleaning brush 29 cleaned the department into suction box 62 through suction hood 67, because the filter 64 exists in suction box 62, so the dust can fall into collecting box 21 through guide box 63 for impurity dust etc. is unified to be collected in the collecting box 21, when collecting box 21 is full, drives chamber door 101 through handle 102 and removes and break away from collecting box 21, can clear away the impurity dust in the collecting box 21, after the clearance is accomplished, drives chamber door 101 through handle 102 and makes chamber door 101 reinsert on the collecting box 21.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (9)

1. The utility model provides a flexible cleaning device of conveyer belt on belt conveyor, includes base (1), its characterized in that: the belt conveyor is characterized in that a belt conveyor main body (11) is arranged at the top of the base (1), and a cleaning component for cleaning the belt conveyor is arranged below the belt conveyor main body (11);

The cleaning component comprises a collecting box (21) fixedly connected with the top of the base (1), a discharging box (22) fixedly connected with one side of the top of the collecting box (21), a dust collecting box (23) connected with the top of the discharging box (22), a sloping plate (24) connected with one side of the top of the dust collecting box (23), a first groove (25) formed in the sloping plate (24), a scraping plate (26) arranged in the first groove (25), a plurality of first springs (27) uniformly arranged on one side of the scraping plate (26), a support plate (28) fixedly connected with one side of the top of the dust collecting box (23), a cleaning brush (29) fixedly connected with the top of the support plate (28), a flexible covering plate (30) fixedly connected with the outer side of the scraping plate (26), a beating component for cleaning the impurities of the dust collecting box (23) and a dust collecting component for collecting the dust, wherein two ends of the first springs (27) are respectively fixedly connected with the scraping plate (26) and the first groove (25), and the lower end of the dust collecting box (22) is respectively connected with the dust collecting box (21) through the flexible covering plate (11).

2. A flexible cleaning device for a conveyor belt on a belt conveyor as in claim 1 wherein: the beating component comprises a protection box (31) connected with the other side of the top of the collecting box (21), a rotating shaft (32) connected with the protection box (31), a motor (33) connected with one end of the rotating shaft (32), a plurality of rotating plates (34) uniformly arranged on the outer side of the rotating shaft (32), second grooves (35) formed in the rotating plates (34), sliding rods (36) formed in the second grooves (35), second springs (37) sleeved on the outer sides of the sliding rods (36) and beating balls (38) fixedly connected with the other ends of the sliding rods (36), the protection box (31) is communicated with the collecting box (21), the sliding rods (36) are in sliding connection with the second grooves (35), two ends of each second spring (37) are respectively fixedly connected with the second grooves (35) and the sliding rods (36), the cross sections of the second grooves (35) and the sliding rods (36) are in T-shaped, the rotating plates (34) are fixedly connected with the rotating shafts (32), and the rotating shafts (32) are in rotary connection with the protection box (31).

3. A flexible cleaning device for a conveyor belt on a belt conveyor as in claim 2 wherein: limiting grooves (41) are respectively formed in the two sides in the second groove (35), limiting blocks (42) are arranged in the limiting grooves (41), the limiting blocks (42) are in sliding connection with the limiting grooves (41), and the limiting blocks (42) are fixedly connected with the sliding rods (36).

4. A flexible cleaning device for a conveyor belt on a belt conveyor as in claim 1 wherein: the cleaning component comprises a swinging opening (51) formed in one side of the dust collection box (23), a first supporting plate (52) fixedly connected with one side of the dust collection box (23), a first rotating rod (53) connected with the first supporting plate (52), a rotating disc (54) fixedly connected with the first rotating rod (53), a fixed rod (55) connected with the rotating disc (54), a swinging rod (56) connected with the fixed rod (55), a pushing plate (57) connected with the other end of the swinging rod (56), a control component for rotating the rotating disc (54) and a guide component for guaranteeing the moving stability of the pushing plate (57), wherein two ends of the swinging rod (56) are hinged with the fixed rod (55) and the pushing plate (57) respectively, and the first rotating rod (53) is connected with the first supporting plate (52) in a rotating mode.

5. A flexible cleaning device for a conveyor belt on a belt conveyor as in claim 1 wherein: the dust collection component comprises an extension plate (61) fixedly connected with one side of the dust collection box (23), a dust collection box (62) fixedly connected with the top of the extension plate (61), a guide box (63) arranged between the dust collection box (62) and the collection box (21), a filter plate (64) connected with the inner wall of the dust collection box (62), a second rotating rod (65) connected with one side of the dust collection box (62), an exhaust fan blade (66) connected with the outer side of the second rotating rod (65), a plurality of air suction covers (67) uniformly arranged on the other side of the dust collection box (62) and a driving component used for the rotation of the exhaust fan blade (66), wherein two ends of the guide box (63) are respectively connected with the dust collection box (62) and the collection box (21), and the second rotating rod (65) is rotationally connected with the dust collection box (62).

6. The flexible cleaning device for a conveyor belt on a belt conveyor of claim 4, wherein: the control part comprises a driving bevel gear (71) fixedly connected with the outer side of the rotating shaft (32), a driven bevel gear (72) connected with the driving bevel gear (71) and a second supporting plate (73) connected with the protection box (31), the driving bevel gear (71) is meshed with the driven bevel gear (72), the first rotating rod (53) is rotationally connected with the second supporting plate (73), and the first rotating rod (53) is fixedly connected with the driven bevel gear (72).

7. The flexible cleaning device for a conveyor belt on a belt conveyor of claim 4, wherein: the guide part comprises guide grooves (81) which are respectively formed in two sides of the dust collection box (23) and guide blocks (82) which are respectively fixedly connected with two sides of the push plate (57), and the guide blocks (82) are slidably connected with the guide grooves (81).

8. The flexible cleaning device for a conveyor belt of a belt conveyor of claim 5, wherein: the driving part comprises a large belt pulley (91) fixedly connected with the outer side of the rotating shaft (32), a small belt pulley (92) fixedly connected with the outer side of the second rotating rod (65) and a first belt (93) arranged between the large belt pulley (91) and the small belt pulley (92), and the large belt pulley (91) and the small belt pulley (92) are in transmission connection through the first belt (93).

9. A flexible cleaning device for a conveyor belt on a belt conveyor as in claim 1 wherein: the collecting box is characterized in that a box door (101) is arranged on one side of the collecting box (21), a handle (102) is fixedly connected to one side of the box door (101), and the outer side of the handle (102) is arc-shaped.