A Pulse Dust Removal Device for a Road Surface Blower

Abstract

The present invention provides a pulse dust removal device for a road surface blowing machine, which relates to the technical field of dust removal devices. It includes a dust removal box. Inside the dust removal box, there are two dust removal chambers. Inside the two dust removal chambers of the dust removal box, multiple groups of filter bags are equidistantly arranged. And on the inner wall of the dust removal box at the top of the filter bags, a mounting plate is fixed. The top of the filter bags is fixedly passed through the mounting plate. On the top of the two dust removal chambers of the dust removal box, spray pipes are installed, and the nozzle ends of the spray pipes correspond to the top openings of the filter bags. A pulse device is fixedly installed at the outer end of the dust removal box. The two spray pipes are communicated with the pulse device. Compared with the prior art, through the cooperation of the pulse device and the cleaning component, the dust on the outer surface of the filter bags is blown off from the inside to the outside by high-pressure gas. For some dust with strong adhesion, the outer surface of the filter bags is scraped and cleaned by the cleaning component, so as to comprehensively remove dust from the filter bags and maintain a good ventilation effect.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal devices, and particularly to a pulse dust removal device for a road sweeper. Background Art

[0002] The working principle of a road sweeper is mainly based on the combination of machinery and pneumatic power. Its core components include a brush system, a dust suction system, a high-pressure air nozzle, a dust collector, etc. The specific working process is as follows: Brush system: The road sweeper is equipped with rotating brushes or drums, which collect dust, garbage, and sundries on the road surface through friction with the ground. Dust suction system: When the sundries swept by the brushes or drums are scraped together, the dust suction system starts to operate. The dust collector uses the vacuum principle to extract the residual dirt and small particulate matter on the ground, and its strong suction can suck almost all the dirt into the internal dust collection box to ensure a deep cleaning effect on the road.

[0003] For the dust suction system of the sweeper, the existing pulse dust removal technology is more practical. Under normal dust removal, the pulse dust removal system can spray compressed air at high speed towards the dust removal filter bag in a very short time, and at the same time induce an air wave several times the injection air volume, causing the filter bag to expand and vibrate sharply from the bag mouth to the bottom, forming a reciprocating "bulging, deflating, bulging" wave-shaped deformation of the filter bag in a short time, causing the dust layer to deform and break, and falling off the filter cloth in a lump under the action of gravity, thereby self-cleaning the dust accumulated on the surface area of the filter bag and maintaining the gas passing efficiency and dust removal efficiency.

[0004] However, because pulse dust removal blows the dust out from the inside to the outside by injecting high-pressure gas into the filter bag, the pulse dust blowing effect is lower at positions farther away from the air port, and it is impossible to achieve the effect of uniform dust cleaning of the filter bag. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a pulse dust removal device for a road sweeper to solve the problems raised in the above background art. The structure of the present invention is novel. Through the cooperation of a pulse device and a cleaning component, the dust on the outer surface of the filter bag is blown off from the inside to the outside by high-pressure gas. For some dust with strong adhesion, the outer surface of the filter bag is scraped and cleaned by the cleaning component, comprehensively removing dust from the filter bag and maintaining a good ventilation effect.

[0006] To achieve the above object, the present invention is realized by the following technical solutions: A pulse dust removal device for a road surface blowing machine, including a dust removal box, wherein two dust removal chambers are provided inside the dust removal box, multiple groups of filter bags are equidistantly arranged inside the two dust removal chambers of the dust removal box, and a mounting plate is fixed on the inner wall of the dust removal box at the top of the filter bags. The top of the filter bags is fixedly passed through the mounting plate. Jet pipes are installed at the tops of the two dust removal chambers of the dust removal box, and the nozzle ends of the jet pipes correspond to the openings at the tops of the filter bags. A pulse device is fixedly installed at the outer end of the dust removal box, and the two jet pipes are communicated with the pulse device. A dust collection box is fixed at the bottom of the dust removal box, and the two ash falling chambers inside the dust collection box are communicated with the two dust removal chambers of the dust removal box. A cleaning component is provided at the bottom of the filter bags. The cleaning component includes a bottom frame, the bottom frame slides along the inner wall of the dust removal box, an outer ring is provided at the top of the bottom frame corresponding to each group of filter bags, and the outer ring slides along the outer surface of the filter bags. A circular plate is provided inside the filter bags parallel to the outer ring, and the circular plate slides along the inside of the filter bags. Two groups of inclined plates are symmetrically fixed at the opening ends of the two ash falling chambers of the dust collection box, and an opening is provided at the middle position between the two groups of inclined plates.

[0007] Further, an air outlet pipe is installed at the top of the dust removal box, and an air inlet pipe is installed on the bottom surface of the dust removal box at the bottom of the pulse device. The air outlet pipe and the air inlet pipe are both provided with three connectors, and the three connectors of the air outlet pipe and the air inlet pipe are respectively communicated with the outside and the two dust removal chambers.

[0008] Further, air supply boxes are fixed on the outer surfaces of both sides of the dust removal box. One end of the air supply box is communicated with the two dust removal chambers of the dust removal box, and connecting pipes are fixed on both sides of the bottom of the air supply box.

[0009] Further, expansion layers are fixed on both sides of the dust collection box, and air cylinders are fixed inside the expansion layers at positions corresponding to the bottoms of the connecting pipes. The connecting pipes are communicated with one ends of the air cylinders, and the other ends of the air cylinders slide out through piston rods.

[0010] Further, the cleaning component further includes a sliding groove. A sliding groove is opened on the inner wall of the side at the bottom of the dust removal box, and two sliders are symmetrically and slidably connected inside the sliding groove. The piston rod is fixedly connected with the sliders. The top of the sliders is rotatably installed with a connecting rod through a rotating shaft, and the other end of the connecting rod is rotatably connected with the middle position of the side of the bottom frame through a rotating shaft.

[0011] Further, two second springs are fixed in the middle of the sliding groove, and the other ends of the second springs are fixedly connected with the two sliders.

[0012] Further, a vertical rod is fixed at the position of the bottom frame corresponding to the circular plate, and the top of the vertical rod is fixedly connected with the circular plate. A vertical plate is fixed at the position of the bottom frame corresponding to the outside of the outer ring, and the outer ring is fixedly connected with the vertical plate.

[0013] Furthermore, an installation ring is fixed at the bottom of the filter bag, and the vertical rod slides through the center of the installation ring.

[0014] Furthermore, push plates are slidably arranged at the bottoms of the two ash collection chambers of the ash collection box. Slide rods are fixed on the inner walls of the two ash collection chambers of the ash collection box, and the push plates slide along the slide rods. A first spring is sleeved on the surface of the slide rods, and the two ends of the first spring are respectively fixedly connected to the inner wall of the ash collection chamber and the push plate.

[0015] Furthermore, a pull rope is fixed at the top of the push plate, and the other end of the pull rope slides through the surface of the inclined plate on one side of the ash collection chamber. The bottom frame is fixedly connected to the end of the pull rope passing through the inclined plate.

[0016] Advantages of the present invention:

[0017] 1. When the bottom frame is at the bottommost part of the dust removal chamber in the present invention, the pull rope has no traction force on the push plate. Under the action of the elastic force of the first spring, the push plate slides along the slide rod to the rightmost side, pushing part of the dust in the ash collection chamber to the right and squeezing it. When the bottom frame moves upward, the pull rope pulls the push plate to move to the left. At this time, the push plate pushes the other part of the dust to the left and squeezes it, so that the dust falling from the inclined plate is distributed at the bottoms of the inclined plates on both sides and squeezed together, which can prevent the dust in the ash collection chamber from running out again during the processes of air inlet dust removal and pulse self-cleaning. Since this device is used on a road sweeper and the cleaned dust cannot be taken out immediately, the ash collection box has a certain storage function.

[0018] 2. In the present invention, the vertical rod and the vertical plate are connected to the bottom frame, which enables the circular plate and the outer ring to move along the inside and outside of the filter bag. The bottom of the filter bag is connected to the installation ring, which can keep the circular plate at the bottom of the filter bag and will not interfere with the use of the filter bag. At the same time, during cleaning, it is convenient for the circular plate and the outer ring to move synchronously. The vertical rod and the vertical plate at the bottom of the filter bag can be selected to be thinner in shape to avoid affecting air inlet.

[0019] 3. After injecting gas into the air cylinder in the present invention, the piston rod moves backward, pushing the slider to slide along the chute. The bottom frame is lifted upward through the connecting rod, and then the outer ring and the circular plate move along the outside and inside of the filter bag. Since the filter bag itself is made of a soft material, direct contact between the outer ring and the filter bag may cause deformation and poor cleaning effect. By supporting the filter bag from the inside with the circular plate, the outer ring can fully contact the outer surface of the filter bag, scraping off the dust on the outer surface of the filter bag. When the high-pressure gas inside the air cylinder is pumped out by the air supply box, the second spring also drives the slider to move to both sides, and the bottom frame drives the outer ring and the circular plate to move to the bottom of the filter bag. By cycling in this way, the overall surface of the filter bag can be cleaned efficiently and evenly, and the cleaning power comes from the high-pressure gas generated by pulse dust removal.

[0020] 4. The connecting heads of the present invention, through which the air outlet pipe and the air inlet pipe are connected to the dust removal chamber, are installed with electromagnetic valves that can control opening and closing. The two dust removal chambers can be used separately. When one side is in use, the dust removal chamber on the other side can carry out the work of cleaning the filter bags, so as to ensure the continuous use of the road sweeper.

[0021] 5. Compared with the prior art, the present invention, through the cooperation of the pulse device and the cleaning component, blows the dust on the outer surface of the filter bag from the inside to the outside by high-pressure gas. For some dust with strong adhesion, the cleaning component scrapes the outer surface of the filter bag to comprehensively clean the dust on the filter bag and maintain a good ventilation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a pulse dust removal device for a road sweeper according to the present invention;

[0023] Figure 2 It is a schematic diagram of the internal structure of the dust removal box of a pulse dust removal device for a road sweeper according to the present invention;

[0024] Figure 3 It is a schematic diagram of the connection between the filter bag and the cleaning component of a pulse dust removal device for a road sweeper according to the present invention;

[0025] Figure 4 It is a schematic diagram of the connection between the cleaning component and the ash collection box of a pulse dust removal device for a road sweeper according to the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the cleaning component of a pulse dust removal device for a road sweeper according to the present invention;

[0027] Figure 6 It is a schematic diagram of the connection between the piston rod and the bottom frame of a pulse dust removal device for a road sweeper according to the present invention;

[0028] Figure 7 It is a schematic diagram of the connection between the air cylinder and the piston rod of a pulse dust removal device for a road sweeper according to the present invention;

[0029] Figure 8 It is a schematic diagram of the internal structure of the ash collection box of a pulse dust removal device for a road sweeper according to the present invention.

[0030] In the figure: 1. Dust removal box; 11. Air outlet pipe; 12. Air inlet pipe; 2. Ash collection box; 21. Expansion layer; 22. Inclined plate; 23. Pushing plate; 24. Slide bar; 25. First spring; 26. Pulling rope; 3. Filter cloth bag; 31. Mounting plate; 4. Pulse device; 41. Spraying pipe; 5. Cleaning assembly; 51. Bottom frame; 52. Vertical rod; 53. Vertical plate; 54. Outer ring; 55. Circular plate; 56. Chute; 57. Connecting rod; 58. Second spring; 59. Slide block; 510. Piston rod; 511. Air cylinder; 512. Mounting ring; 6. Air supply box; 61. Connecting pipe. Detailed implementation mode

[0031] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the specific implementation modes.

[0032] Please refer to Figures 1 to 8 , the present invention provides a technical solution: a pulse dust removal device for a road sweeper, including a dust removal box 1. There are two dust removal chambers inside the dust removal box 1. A plurality of groups of filter cloth bags 3 are evenly arranged inside the two dust removal chambers of the dust removal box 1. And a mounting plate 31 is fixed on the inner wall of the dust removal box 1 at the top of the filter cloth bag 3. The top of the filter cloth bag 3 is fixedly penetrated through the mounting plate 31. Spraying pipes 41 are installed at the tops of the two dust removal chambers of the dust removal box 1. And the nozzle ends of the spraying pipes 41 correspond to the openings at the tops of the filter cloth bags 3. A pulse device 4 is fixedly installed at the outer end of the dust removal box 1. The two spraying pipes 41 are communicated with the pulse device 4. A dust collection box 2 is fixed at the bottom of the dust removal box 1. And the two ash falling chambers inside the dust collection box 2 are communicated with the two dust removal chambers of the dust removal box 1. A cleaning assembly 5 is arranged at the bottom of the filter cloth bag 3. The cleaning assembly 5 includes a bottom frame 51. The bottom frame 51 slides along the inner wall of the dust removal box 1. And an outer ring 54 is arranged at the top of the bottom frame 51 corresponding to each group of filter cloth bags 3. And the outer ring 54 slides along the outer surface of the filter cloth bag 3. A circular plate 55 is arranged inside the filter cloth bag 3 parallel to the outer ring 54. And the circular plate 55 slides along the inside of the filter cloth bag 3. Two groups of inclined plates 22 are symmetrically fixed at the opening ends of the two ash falling chambers of the dust collection box 2. An opening is arranged in the middle position of the two groups of inclined plates 22. When using the device, install the device on the road sweeper. Through the alternating use of the two dust removal chambers of the dust removal box 1, the filter cloth bag 3 filters the incoming air and sends it out through the air outlet pipe 11. The filtered large-particle dust directly falls into the ash falling chamber. Through the cooperation of the pulse device 4 and the cleaning assembly 5, the dust accumulated on the surface of the filter cloth bag 3 is cleaned to keep its ventilation smooth.

[0033] In this embodiment, an air outlet pipe 11 is installed at the top of the dust removal box 1, and an air inlet pipe 12 is installed on the bottom surface of the dust removal box 1 at the bottom of the pulse device 4. Both the air outlet pipe 11 and the air inlet pipe 12 are provided with three connectors, and the three connectors of the air outlet pipe 11 and the air inlet pipe 12 are respectively communicated with the outside and two dust removal chambers. Solenoid valves are installed on the connectors where the air outlet pipe 11 and the air inlet pipe 12 are connected to the dust removal chambers, which can control the opening and closing. The two dust removal chambers can be used separately. When one side is in use, the dust removal chamber on the other side can carry out the work of cleaning the filter bag 3, so as to keep the road sweeper in continuous use.

[0034] In this embodiment, air supply boxes 6 are fixed on the outer surfaces on both sides of the dust removal box 1. One end of the air supply box 6 is communicated with the two dust removal chambers of the dust removal box 1, and connecting pipes 61 are fixed on both sides of the bottom of the air supply box 6. Expansion layers 21 are fixed on both sides of the ash collection box 2, and air cylinders 511 are fixed at positions corresponding to the bottoms of the connecting pipes 61 inside the expansion layers 21. The connecting pipes 61 are communicated with one ends of the air cylinders 511, and the other ends of the air cylinders 511 slide out of the piston rods 510. The cleaning assembly 5 further includes a chute 56. A chute 56 is formed on the inner wall of the side of the bottom of the dust removal box 1, and two sliders 59 are symmetrically and slidably connected inside the chute 56. The piston rod 510 is fixedly connected with the slider 59. The top of the slider 59 is rotatably installed with a connecting rod 57 through a rotating shaft, and the other end of the connecting rod 57 is rotatably connected with the middle position of the side of the bottom frame 51 through a rotating shaft. Two second springs 58 are fixed in the middle of the chute 56, and the other ends of the second springs 58 are fixedly connected with the two sliders 59. The air supply box 6 also has three openings. One opening is communicated with the outside, which is used to directly discharge the high-pressure gas generated by pulse dust removal to keep the air pressure balance in the dust removal box 1. Another opening is communicated with the dust removal chamber, and the last one is connected with the connecting pipe 61. The openings connected to the dust removal chamber and the connecting pipe 61 are controlled to open and close by solenoid valves. The high-pressure gas in the dust removal chamber can be pumped out through the air supply box 6 and sent into the air cylinder 511 through the connecting pipe 61. After the air cylinder 511 is filled with gas, the piston rod 510 moves backward, pushing the slider 59 to slide along the chute 56. The bottom frame 51 is lifted upward through the connecting rod 57. Then, the outer ring 54 and the circular plate 55 move along the outside and inside of the filter bag 3. Because the filter bag 3 itself is made of soft material, direct contact between the outer ring 54 and the filter bag 3 may cause deformation and poor cleaning effect. By supporting the filter bag 3 from the inside through the circular plate 55, the outer ring 54 can fully contact the outer surface of the filter bag 3, and the dust on the outer surface of the filter bag 3 is scraped off. When the high-pressure gas inside the air cylinder 511 is pumped out through the air supply box 6, the second spring 58 also tends to move the slider 59 to both sides, and the bottom frame 51 drives the outer ring 54 and the circular plate 55 to move towards the bottom of the filter bag 3. By circulating in this way, the overall surface of the filter bag 3 can be cleaned efficiently and evenly, and the cleaning power comes from the high-pressure gas generated by pulse dust removal.

[0035] In this embodiment, a vertical rod 52 is fixedly installed at the top of the bottom frame 51 corresponding to the position of the circular plate 55, and the top of the vertical rod 52 is fixedly connected to the circular plate 55. A vertical plate 53 is fixedly installed at the top of the bottom frame 51 corresponding to the outer side of the outer ring 54, and the outer ring 54 is fixedly connected to the vertical plate 53. The bottom of the filter bag 3 is fixedly installed with an installation ring 512. The vertical rod 52 slides through the center of the installation ring 512. The vertical rod 52 and the vertical plate 53 are connected to the bottom frame 51, enabling the circular plate 55 and the outer ring 54 to move along the inside and outside of the filter bag 3. The bottom of the filter bag 3 is connected to the installation ring 512, allowing the circular plate 55 to be used at the bottom of the filter bag 3 without interfering with the use of the filter bag 3. Meanwhile, during cleaning, the synchronous movement of the circular plate 55 and the outer ring 54 can be facilitated. The vertical rod 52 and the vertical plate 53 located at the bottom of the filter bag 3 can be of a thinner shape to avoid affecting the air intake.

[0036] In this embodiment, push plates 23 are slidably installed at the bottoms of the two ash collection chambers of the ash collection box 2, located at the bottom of the inclined plate 22. Slide rods 24 are fixedly installed on the inner walls of the two ash collection chambers of the ash collection box 2, and the push plates 23 slide along the slide rods 24. A first spring 25 is sleeved on the surface of the slide rods 24, and both ends of the first spring 25 are fixedly connected to the inner wall of the ash collection chamber and the push plate 23 respectively. A pull rope 26 is fixedly installed at the top of the push plate 23, and the other end of the pull rope 26 slides through the surface of the inclined plate 22 on one side of the ash collection chamber. The bottom frame 51 is fixedly connected to the end of the pull rope 26 passing through the inclined plate 22. When the bottom frame 51 is at the bottom of the dust removal chamber, the pull rope 26 has no traction force on the push plate 23. Under the elastic force of the first spring 25, the push plate 23 slides to the rightmost side along the slide rod 24, pushing a part of the dust in the ash collection chamber to the right and compressing it. When the bottom frame 51 moves upward, the pull rope 26 pulls the push plate 23 to move to the left. At this time, the push plate 23 pushes another part of the dust to the left and compresses it, so that the dust falling on the inclined plate 22 is distributed at the bottoms of the inclined plates 22 on both sides and compressed together. This can prevent the dust in the ash collection chamber from running out again during the processes of air intake dust removal and pulse self-cleaning. Since this device is used on a road sweeper and cannot take out the cleaned dust immediately, the ash collection box 2 has a certain dust storage function.

[0037] When using the device, install this device on a road surface blowing machine. The connectors of the air outlet pipe 11 and the air inlet pipe 12 connected to the dust removal chamber are equipped with solenoid valves, which can control the opening and closing. The two dust removal chambers can be used separately. When using one side, the dust removal chamber on the other side can carry out the work of cleaning the filter bag 3 to keep the road surface blowing machine in continuous use. The filter bag 3 filters the incoming air and sends it out through the air outlet pipe 11. The filtered large-particle dust directly falls into the ash falling chamber. Through the cooperation of the pulse device 4 and the cleaning component 5, the high-pressure gas in the dust removal chamber is extracted through the air supply box 6 and sent into the air cylinder 511 through the connecting pipe 61. After the air cylinder 511 injects gas, the piston rod 510 moves backward, pushing the slider 59 to slide along the chute 56. Through the connecting rod 57, the bottom frame 51 is lifted upward, and then the outer ring 54 and the circular plate 55 move along the outside and inside of the filter bag 3. Because the filter bag 3 itself is made of soft material, if the outer ring 54 directly contacts it, the filter bag 3 may be deformed, resulting in poor cleaning effect. By supporting the filter bag 3 from the inside by the circular plate 55, the outer ring 54 can fully contact the outer surface of the filter bag 3, scraping off the dust on the outer surface of the filter bag 3. When the high-pressure gas in the air cylinder 511 is extracted through the air supply box 6, the second spring 58 also drives the slider 59 to move to both sides, and the bottom frame 51 drives the outer ring 54 and the circular plate 55 to move to the bottom of the filter bag 3. By cycling in this way, the overall surface of the filter bag 3 can be cleaned efficiently and evenly, cleaning the dust accumulated on the surface area of the filter bag 3 and maintaining its ventilation smoothness. When the bottom frame 51 is at the bottom of the dust removal chamber, the pull rope 26 has no traction force on the push plate 23. Under the action of the elastic force of the first spring 25, the push plate 23 slides to the rightmost along the slide rod 24, pushing some of the dust in the ash falling chamber to the right and squeezing it. When the bottom frame 51 moves upward, the pull rope 26 pulls the push plate 23 to move to the left. At this time, the push plate 23 pushes the other part of the dust to the left and squeezes it, so that the dust falling from the inclined plate 22 is spread at the bottom of the inclined plates 22 on both sides and squeezed together, which can prevent the dust in the ash falling chamber from running out again during the processes of air inlet dust removal and pulse self-cleaning.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0039] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. The narrative way of this specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pulse dust removal device for a road sweeper, comprising a dust removal box (1), characterized in that: The dust removal box (1) is provided with two dust removal chambers, and the two dust removal chambers of the dust removal box (1) are provided with a plurality of groups of filter cloth bags (3) at equal intervals, and the inner wall of the dust removal box (1) is fixed with a mounting plate (31) at the top of the filter cloth bag (3), and the top of the filter cloth bag (3) is fixedly passed through the mounting plate (31), and the top of the two dust removal chambers of the dust removal box (1) are both installed with a spray pipe (41), and the nozzle end of the spray pipe (41) corresponds to the top opening of the filter cloth bag (3), and the outer end of the dust removal box (1) is fixedly installed with a pulse device (4), and the two spray pipes (41) are connected to the pulse device (4), and the bottom of the dust removal box (1) is fixed with an ash collecting box (2), and the ash collecting box (2 ) are connected to the two dust removal chambers of the dust collection box (1); a cleaning assembly (5) is provided at the bottom of the filter cloth bag (3); the cleaning assembly (5) comprises a bottom frame (51); the bottom frame (51) slides along the inner wall of the dust collection box (1); an outer ring (54) is provided at the top of the bottom frame (51) corresponding to the position of each group of filter cloth bags (3); and the outer ring (54) slides along the outer surface of the filter cloth bag (3); a circular plate (55) is provided inside the filter cloth bag (3) at a position parallel to the outer ring (54); and the circular plate (55) slides along the inside of the filter cloth bag (3); two groups of inclined plates (22) are symmetrically fixed at the opening ends of the two ash falling chambers of the ash collection box (2); the two groups of inclined plates (22) are symmetrically fixed to the two ash falling chambers of the ash collection box (2); An opening is provided in the middle position of the dust collecting box (2), expansion layers (21) are fixed on both sides of the dust collecting box (2), and an air cylinder (511) is fixed inside the expansion layer (21) at a position corresponding to the bottom of the connecting pipe (61), the connecting pipe (61) is connected to one end of the air cylinder (511), and the other end of the air cylinder (511) slides through the piston rod (510), the cleaning component (5) also includes a slide groove (56), a slide groove (56) is provided on the inner wall of the side edge of the bottom of the dust collecting box (1), and two sliding blocks (59) are symmetrically slidably connected inside the slide groove (56), the piston rod (510) is fixedly connected to the sliding block (59), and the top of the sliding block (59) is rotatably installed through a rotating shaft A connecting rod (57), and the other end of the connecting rod (57) is rotatably connected to the middle position of the side of the bottom frame (51) through a rotating shaft. Two second springs (58) are fixed in the middle of the slide groove (56), and the other ends of the second springs (58) are fixedly connected to two sliders (59). The two ash falling chambers of the ash collecting box (2) are located at the bottom of the inclined plate (22) and are slidably provided with push plates (23). Slide rods (24) are fixed on the inner walls of the two ash falling chambers of the ash collecting box (2), and the push plates (23) slide along the slide rods (24). A first spring (25) is sleeved on the surface of the slide rod (24), and the two ends of the first spring (25) are respectively fixedly connected to the inner walls of the ash falling chamber and the push plates (23).A pull rope (26) is fixed to the top of the push plate (23), and the other end of the pull rope (26) slides through the surface of the inclined plate (22) on one side of the dust falling chamber. The bottom frame (51) is fixedly connected to the end of the pull rope (26) passing through the inclined plate (22). Air supply boxes (6) are fixed to the outer surfaces of both sides of the dust removal box (1). One end of the air supply box (6) is connected to the two dust removal chambers of the dust removal box (1), and connecting pipes (61) are fixed to both sides of the bottom of the air supply box (6). The air supply box (6) has three openings, one of which is connected to the outside, another is connected to the dust removal chamber, and the last is connected to the connecting pipe (61). The opening connected to the dust removal chamber and the connecting pipe (61) is controlled to open and close by a solenoid valve.

2. The pulse dust removal device for a road sweeper according to claim 1, characterized in that: An air outlet pipe (11) is installed on the top of the dust removal box (1), and an air inlet pipe (12) is installed on the bottom surface of the dust removal box (1) located on the pulse device (4), and the air outlet pipe (11) and the air inlet pipe (12) are both provided with three connectors, and the three connectors of the air outlet pipe (11) and the air inlet pipe (12) are respectively connected to the outside and the two dust removal chambers.

3. The pulse dust removal device for a road sweeper according to claim 1, characterized in that: A vertical rod (52) is fixed at a position on the top of the bottom frame (51) corresponding to the circular plate (55), and the top of the vertical rod (52) is fixedly connected to the circular plate (55). A vertical plate (53) is fixed at a position on the top of the bottom frame (51) corresponding to the outside of the outer ring (54), and the outer ring (54) is fixedly connected to the vertical plate (53).

4. The pulse dust removal device for a road sweeper according to claim 3, characterized in that: A mounting ring (512) is fixed to the bottom of the filter cloth bag (3), and the vertical rod (52) slides through the center of the mounting ring (512).

Images