CN118526875A - Durable filter cartridge type dust removing device - Google Patents

Abstract

The present invention relates to the technical field of dust removal devices, and in particular to a durable filter cartridge type dust removal device, comprising an outer shell, a plurality of filter cartridges distributed in a circular pattern are arranged inside the outer shell, brush plates distributed symmetrically are arranged on the sides of the filter cartridges, a limiting ring is fixed to the bottom of the outer shell, a cam is arranged inside the limiting ring, a plurality of push plates distributed in a circular pattern are arranged on the sides of the cam, the push plates are connected to the brush plates through a transmission mechanism, a mechanical chamber distributed in a circular pattern is arranged outside the limiting ring, push rods are arranged inside the mechanical chamber, the push rods penetrate the side wall of the limiting ring, adsorption mechanisms are arranged on the ends of the push rods, and the adsorption mechanisms are used to adsorb the push plates so that the cam cannot squeeze the push plates; the present invention can selectively clean the filter cartridge, reduce the contact frequency between the brush plate and the cloth bag on the surface of the filter cartridge, avoid damage to the cloth bag caused by frequent contact between the cloth bag and the brush plate, increase the service life of the cloth bag, and enable the filter cartridge to be used for a long time.

Description

A durable cartridge dust removal device

Technical Field

The invention relates to the technical field of dust removal devices, in particular to a persistent filter cartridge type dust removal device.

Background Art

A cartridge dust collector is a dust collector that uses a cartridge as a filter element and is equipped with pulse jet or reverse jet. It is mainly composed of an air inlet duct, an exhaust duct, a box, an ash hopper, a cleaning device, a flow guide device, an air flow diversion distribution plate, a filter cartridge, and an electronic control device. After the cartridge dust collector passes the dust-carrying gas into the box, it mainly relies on the Brownian motion of the dust itself and the gas carrying, attaching, and settling on the ash hopper and the filter cartridge.

In the prior art, in order to prevent dust from accumulating on the surface of the filter cartridge, a cleaning component is generally provided inside the dust removal device, and the dust on the surface of the filter cartridge is cleaned by the cleaning component. However, due to the different positions of the filter cartridge relative to the air inlet on the dust removal device, the dust content on the surface of the filter cartridge is also different. Most of the current cleaning components clean the dust on the surface of the filter cartridge simultaneously. As a result, when the cleaning component cleans the surface of the filter cartridge, the filter cartridge with less dust on the surface and which does not need to be cleaned also comes into contact with the cleaning component, which increases the contact frequency between the cloth bag on the surface of the filter cartridge and the cleaning component. Long-term use causes certain damage to the cloth bag, thereby reducing the service life of the cloth bag on the surface of the filter cartridge.

Summary of the invention

The object of the present invention is to provide a durable cartridge dust removal device to solve the problems raised in the above background technology.

To achieve the above object, the present invention provides the following technical solutions:

The cam is provided with a cam, and the cam is connected with a rotating mechanism, and the rotating mechanism is used to drive the cam to rotate; a plurality of push plates distributed in a circumferential manner are provided on the side wall of the filter cartridge, and the push plate is connected with the brush plate through a transmission mechanism, and the transmission mechanism is used to transmit the force received by the push plate to the brush plate, so that the brush plate reciprocates outside the filter cartridge to clean the dust on the surface of the filter cartridge; a mechanical chamber distributed in a circumferential manner is provided on the outside of the limit ring, and a push rod is provided inside the mechanical chamber, and the push rod passes through the side wall of the limit ring, and an adsorption mechanism is provided on the end of the push rod, and the adsorption mechanism is used to adsorb the push plate, so that the cam cannot squeeze the push plate.

Preferably, the rotating mechanism comprises a motor fixed at the bottom of the limiting ring, a rotating shaft is installed at the output end of the motor, the rotating shaft passes through the bottom of the limiting ring and is fixedly connected to the cam.

Preferably, the adsorption mechanism comprises a first magnet arranged at the end of the push rod, a second magnet is fixed on the surface of the push plate, and the first magnet and the second magnet have opposite magnetic properties.

Preferably: the push rod passes through the side wall of the mechanical chamber and is slidably connected to the side wall of the mechanical chamber, a baffle is fixed at one end of the push rod passing through the side wall of the mechanical chamber, and the baffle is connected to the outer wall of the mechanical chamber through a second spring, wherein a limit assembly is provided inside the mechanical chamber, and the limit assembly is used to fix the push rod, thereby ensuring the adsorption effect of the adsorption mechanism on the push plate.

Preferably: the limit assembly includes a pin groove arranged on the side wall of the push rod, a pin rod adapted to the pin groove penetrates the side wall of the mechanical chamber, one end of the pin rod is abutted against the side wall of the push rod, and the other end of the pin rod is connected to the outer wall of the mechanical chamber through a third spring.

Preferably: the transmission mechanism includes a gear arranged inside the mechanical chamber, the gear is meshed with a rack, the rack is fixed with a support rod, the support rod passes through the side wall of the limiting ring and is fixedly connected to the push plate, and a rotating rod passes through the inside of the gear, the rotating rod passes through the bottom of the shell and is connected to the brush plate.

Preferably: a hollow tube is fixed to one end of the rotating rod located inside the shell, and an adjusting component is provided inside the hollow tube. When the cam no longer presses the push plate, the adjusting component is used to drive the brush plate away from the filter cartridge.

Preferably: the adjustment assembly includes a movable rod arranged inside the hollow tube, one end of the movable rod is connected to the top of the hollow tube through an elastic component, the other end of the movable rod passes through the bottom of the hollow tube and the rotating rod, a trapezoidal block for squeezing the movable rod is fixed on the surface of the push rod, the movable rod is rotatably connected to symmetrically distributed connecting rods, the other end of the connecting rod is rotatably connected to a fixed rod, the fixed rod passes through the side wall of the hollow tube and is respectively fixedly connected to the two brush plates.

Preferably: the elastic component includes a fourth spring fixedly connected to the top of the movable rod, the other end of the fourth spring is fixedly connected to the top of the hollow tube, a limiting rod is fixed to the top of the hollow tube, the limiting rod extends into the interior of the movable rod and is slidably connected to the movable rod.

Compared with the prior art, the beneficial effects of the present invention are as follows: when cleaning the dust on the surface of the filter cartridge, the cam is used to squeeze the push plate in sequence, and the push plate drives the brush plate to reciprocate on the surface of the filter cartridge through the transmission mechanism, thereby cleaning the dust on the surface of the filter cartridge synchronously; when the dust on the surface of the filter cartridge is inconsistent and the filter cartridge needs to be selectively cleaned, the adsorption mechanism is used to drive the push plate away from the cam, so that the cam cannot squeeze the push plate, and the brush plate no longer cleans the surface of the filter cartridge, thereby achieving a selective cleaning purpose, reducing the contact frequency between the brush plate and the cloth bag on the surface of the filter cartridge, avoiding damage to the cloth bag caused by frequent contact between the cloth bag and the brush plate, and increasing the service life of the cloth bag, so that the filter cartridge can be used for a long time.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the internal structure of a housing in an embodiment of the present invention.

FIG. 2 is a schematic diagram of the filter cartridge distribution structure in an embodiment of the present invention.

FIG. 3 is a schematic diagram of a brush plate connection structure in an embodiment of the present invention.

FIG. 4 is a schematic diagram of the internal structure of the limit ring in an embodiment of the present invention.

FIG. 5 is an enlarged view of point A in FIG. 4 .

FIG. 6 is an enlarged view of point B in FIG. 4 .

FIG. 7 is a cross-sectional view of the internal structure of the hollow tube in an embodiment of the present invention.

In the figure: 1-housing; 2-filter cartridge; 3-transmission mechanism; 31-rack; 32-gear; 33-rotating rod; 34-support rod; 35-fixed rod; 36-movable rod; 37-connecting rod; 38-fourth spring; 39-limiting rod; 310-trapezoidal block; 311-hollow tube; 4-adsorption mechanism; 41-first magnet; 42-second magnet; 43-second spring; 44-baffle; 45-pin groove; 46-pin rod; 47-third spring; 5-rotating mechanism; 6-brush plate; 7-push rod; 8-mechanical chamber; 9-limiting ring; 10-push plate; 11-cam; 12-first spring; 13-inlet pipe; 14-outlet pipe.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

In one embodiment, please refer to Figures 1 to 4, a durable filter cartridge dust removal device includes a shell 1, an air inlet pipe 13 is connected to the side wall of the shell 1, a plurality of filter cartridges 2 are arranged in a circumferential distribution inside the shell 1, and the sides of the filter cartridges 2 are provided with symmetrically distributed brush plates 6, the top and bottom of the filter cartridges 2 are closed, and an air outlet pipe 14 is fixed to the top of the filter cartridge 2, the upper end of the air outlet pipe 14 passes through the top of the shell 1, and the lower end of the air outlet pipe 14 is connected to the inside of the filter cartridge 2, a limiting ring 9 is fixed to the bottom of the shell 1, a cam 11 is arranged inside the limiting ring 9, and the cam 11 is connected to a rotating mechanism 5, and the rotating mechanism 5 is used to drive the cam 11 to rotate, and the cam 11 side The surface is provided with a plurality of push plates 10 distributed in a circle, the push plates 10 are connected to the inner wall of the limit ring 9 through a first spring 12, the push plates 10 are connected to the brush plates 6 through a transmission mechanism 3, the transmission mechanism 3 is used to transmit the force exerted on the push plates 10 to the brush plates 6, so that the brush plates 6 reciprocate outside the filter cartridge 2 to clean the dust on the surface of the filter cartridge 2, the outside of the limit ring 9 is provided with a mechanical chamber 8 distributed in a circle, the mechanical chamber 8 is provided with a push rod 7 inside, the push rod 7 passes through the side wall of the limit ring 9, the end of the push rod 7 is provided with an adsorption mechanism 4, the adsorption mechanism 4 is used to adsorb the push plates 10, so that the cam 11 cannot squeeze the push plates 10.

In this embodiment, when the device is performing dust removal, the dust-containing gas enters the shell 1 through the air inlet pipe 13, and is filtered by multiple filter cartridges 2 distributed circumferentially inside the shell 1, and the filtered gas is directly discharged from the air outlet pipe 14 on the top of the filter cartridge 2, and the dust is accumulated on the surface of the filter cartridge 2. When the dust on the surface of the filter cartridge 2 reaches a certain level, the cam 11 is driven to rotate by the rotating mechanism 5, wherein the rotating mechanism 5 includes a motor fixed to the bottom of the limit ring 9, and a rotating shaft is installed at the output end of the motor, and the rotating shaft passes through the bottom of the limit ring 9 and is fixedly connected to the cam 11. While the cam 11 rotates, it squeezes the push plate 10 on its side in turn. When the cam 11 no longer squeezes the push plate 10, the push plate 10 automatically resets under the action of the first spring 12, and this cycle is repeated so that the push plate 10 is automatically reset under the action of the first spring 12. 10 can reciprocate, and while the push plate 10 reciprocates, it drives the brush plate 6 to make circular motion on the outside of the filter cartridge 2 through the transmission mechanism 3, so as to clean the dust on the cloth bag on the surface of the filter cartridge 2, thereby avoiding the accumulation of dust on the surface of the filter cartridge 2, ensuring the dust removal effect of the filter cartridge 2. When there is less dust on the surface of one or more of the filter cartridges 2, the corresponding push rod 7 is pushed, and the push rod 7 adsorbs the push plate 10 through the adsorption mechanism 4. At this time, the cam 11 cannot squeeze the push plate 10 while rotating, and the brush plate 6 no longer cleans the surface of the filter cartridge 2, achieving a selective cleaning purpose, reducing the contact frequency between the brush plate 6 and the cloth bag on the surface of the filter cartridge 2, and can avoid damage to the cloth bag caused by frequent contact between the cloth bag and the brush plate 6, thereby increasing the service life of the cloth bag and allowing the filter cartridge 2 to be used for a long time.

Please refer to FIG. 4 and FIG. 6 , the adsorption mechanism 4 includes a first magnet 41 disposed at the end of the push rod 7 , and a second magnet 42 is fixed on the surface of the push plate 10 , and the first magnet 41 and the second magnet 42 have opposite magnetic properties;

When the filter cartridge 2 needs to be selectively cleaned, the push rod 7 is pushed, and the push rod 7 drives the first magnet 41 to move, so that the first magnet 41 is close to the push plate 10. When the cam 11 squeezes the push plate 10 to the maximum extent, the first magnet 41 and the second magnet 42 will attract each other, thereby driving the push plate 10 away from the cam 11. At this time, no matter how the cam 11 rotates, it cannot squeeze the push plate 10, so that the brush plate 6 no longer cleans the surface of the filter cartridge 2, thereby achieving a selective cleaning purpose, reducing the contact frequency between the brush plate 6 and the cloth bag on the surface of the filter cartridge 2, and avoiding damage to the cloth bag caused by frequent contact between the cloth bag and the brush plate 6.

Please refer to FIG6 , the push rod 7 penetrates the side wall of the machine room 8 and is slidably connected to the side wall of the machine room 8, a baffle 44 is fixed to one end of the push rod 7 penetrating the side wall of the machine room 8, and the baffle 44 is connected to the outer wall of the machine room 8 through a second spring 43, wherein a limit assembly is provided inside the machine room 8, and the limit assembly is used to fix the push rod 7, so as to ensure the adsorption effect of the adsorption mechanism 4 on the push plate 10;

Initially, under the action of the baffle 44 and the second spring 43, the distance between the first magnet 41 and the second magnet 42 is relatively far, and the first magnet 41 cannot adsorb the push plate 10 through the second magnet 42. The push plate 10 can reciprocate under the action of the cam 11 and the first spring 12, thereby driving the brush plate 6 to clean the surface of the filter cartridge 2 through the transmission mechanism 3. When the surface of the filter cartridge 2 does not need to be cleaned, the push rod 7 is pushed so that the first magnet 41 can adsorb the push plate 10 through the second magnet 42, and when the first magnet 41 can adsorb the push plate 10 through the second magnet 42, the limit assembly inside the mechanical chamber 8 will automatically fix the push rod 7, thereby effectively ensuring the adsorption effect on the push plate 10.

Please refer to FIG6 , the limit assembly includes a pin groove 45 provided on the side wall of the push rod 7, a pin rod 46 adapted to the pin groove 45 is passed through the side wall of the mechanical chamber 8, one end of the pin rod 46 is in contact with the side wall of the push rod 7, and the other end of the pin rod 46 is connected to the outer wall of the mechanical chamber 8 through a third spring 47;

When the first magnet 41 is able to adsorb the push plate 10 through the second magnet 42, the pin rod 46 is aligned with the pin groove 45. At this time, under the action of the third spring 47, the pin rod 46 automatically enters the pin groove 45, thereby fixing the push rod 7 and effectively ensuring the stability of the push rod 7.

Please refer to Figures 3 to 5. The transmission mechanism 3 includes a gear 32 disposed inside the mechanical chamber 8. The gear 32 is meshed with a rack 31. The rack 31 is fixed with a support rod 34. The support rod 34 penetrates the side wall of the limiting ring 9 and is fixedly connected to the push plate 10. A rotating rod 33 penetrates inside the gear 32. The rotating rod 33 penetrates the bottom of the housing 1 and is connected to the brush plate 6.

When the push rod 7 reciprocates, the rack 31 is driven to reciprocate through the support rod 34, and the rotating rod 33 is driven to reciprocate through the meshing of the rack 31 and the gear 32. The rotating rod 33 drives the brush plate 6 to reciprocate on the surface of the filter cartridge 2, thereby cleaning the dust on the surface of the filter cartridge 2, which can effectively prevent dust from accumulating on the surface of the filter cartridge 2 and ensure the filtering effect of the filter cartridge 2.

Please refer to FIG. 3 , a hollow tube 311 is fixed to one end of the rotating rod 33 located inside the housing 1 , and an adjusting component is arranged inside the hollow tube 311 . When the cam 11 no longer presses the push plate 10 , the adjusting component is used to drive the brush plate 6 away from the filter cartridge 2 .

When the adsorption mechanism 4 adsorbs the push plate 10, the adjustment component drives the brush plate 6 away from the filter cartridge 2, so that the brush plate 6 is separated from the cloth bag on the surface of the filter cartridge 2, thereby avoiding the phenomenon that the brush plate 6 blocks the cloth bag on the surface of the filter cartridge 2, thereby ensuring the filtering effect of the cloth bag on dust.

Please refer to Figures 5 and 7. The adjustment assembly includes a movable rod 36 arranged inside the hollow tube 311. One end of the movable rod 36 is connected to the top of the hollow tube 311 through an elastic component. The other end of the movable rod 36 passes through the bottom of the hollow tube 311 and the rotating rod 33. A trapezoidal block 310 for squeezing the movable rod 36 is fixed on the surface of the push rod 7. The movable rod 36 is rotatably connected to a symmetrically distributed connecting rod 37. The other end of the connecting rod 37 is rotatably connected to a fixed rod 35. The fixed rod 35 passes through the side wall of the hollow tube 311 and is fixedly connected to the two brush plates 6 respectively.

When it is necessary to selectively clean the filter cartridge 2, the push rod 7 is pushed, and the push rod 7 drives the trapezoidal block 310 to move. The trapezoidal block 310 squeezes the bottom of the movable rod 36 through its inclined surface, so that the movable rod 36 moves upward. While the movable rod 36 moves upward, it drives the fixed rod 35 to move through the connecting rod 37. The fixed rod 35 drives the brush plate 6 away from the filter cartridge 2, so that the brush plate 6 is separated from the cloth bag on the surface of the filter cartridge 2, thereby avoiding the brush plate 6 blocking the cloth bag on the surface of the filter cartridge 2. When it is necessary to clean the surface of the filter cartridge 2, the push rod 7 drives the trapezoidal block 310 to move in the opposite direction, and the trapezoidal block 310 no longer squeezes the movable rod 36. The movable rod 36 automatically resets under the action of the elastic component, thereby driving the brush plate 6 to approach the filter cartridge 2, thereby cleaning the dust on the surface of the filter cartridge 2.

Please refer to FIG. 7 , the elastic component includes a fourth spring 38 fixedly connected to the top of the movable rod 36, the other end of the fourth spring 38 is fixedly connected to the top of the hollow tube 311, and a limit rod 39 is fixed to the top of the hollow tube 311, and the limit rod 39 extends into the movable rod 36 and is slidably connected to the movable rod 36;

The fourth spring 38 can reset the movable rod 36 and further reset the brush plate 6, so that the brush plate 6 can clean the filter cartridge 2, wherein the limiting rod 39 limits the movable rod 36, thereby improving the stability of the movable rod 36.

Working principle: The device filters the dust-containing gas through multiple filter cartridges 2 distributed on the circumference. When the dust on the surface of the filter cartridge 2 reaches a certain level, the cam 11 is driven to rotate by the motor. While the cam 11 rotates, it squeezes the push plate 10 on its side in turn. When the cam 11 no longer squeezes the push plate 10, the push plate 10 automatically resets under the action of the first spring 12. This cycle allows the push plate 10 to reciprocate. While the push plate 10 reciprocates, the rack 31 is driven to reciprocate through the support rod 34. The engagement of the rack 31 and the gear 32 drives the rotating rod 33 to reciprocate. The rotating rod 33 drives the brush plate 6 to reciprocate on the surface of the filter cartridge 2 through the hollow tube 311, thereby cleaning the dust on the surface of the filter cartridge 2. When it is necessary to selectively clean the filter cartridge 2, the push rod 7 is pushed, and the push rod 7 drives the first magnet 41 to move, so that the first magnet 41 is close to the push plate 10. When the cam 11 pushes the push plate 10 When squeezed to the maximum extent, the first magnet 41 and the second magnet 42 will attract each other, thereby driving the push plate 10 away from the cam 11. At this time, no matter how the cam 11 rotates, it cannot squeeze the push plate 10, so that the brush plate 6 no longer cleans the surface of the filter cartridge 2, thereby achieving a selective cleaning purpose, reducing the contact frequency between the brush plate 6 and the cloth bag on the surface of the filter cartridge 2, and avoiding damage to the cloth bag caused by frequent contact between the cloth bag and the brush plate 6. In addition, while the push rod 7 moves, it also drives the trapezoidal block 310 to move. The trapezoidal block 310 squeezes the bottom of the movable rod 36 through its inclined surface, so that the movable rod 36 moves upward. While the movable rod 36 moves upward, it drives the fixed rod 35 to move through the connecting rod 37. The fixed rod 35 drives the brush plate 6 away from the filter cartridge 2, so that the brush plate 6 is separated from the cloth bag on the surface of the filter cartridge 2, thereby avoiding the phenomenon that the brush plate 6 blocks the cloth bag on the surface of the filter cartridge 2, thereby ensuring the filtering effect of the cloth bag on dust.

Please refer to Figure 1. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A durable filter cartridge dust removal device, comprising a shell; characterized in that an air inlet pipe is connected to the side wall of the shell, a plurality of filter cartridges are arranged in a circumferential distribution inside the shell, brush plates are arranged in a symmetrical distribution on the sides of the filter cartridges, the top and bottom of the filter cartridges are closed, an air outlet pipe is fixed on the top of the filter cartridges, the upper end of the air outlet pipe passes through the top of the shell, and the lower end of the air outlet pipe is communicated with the inside of the filter cartridge, a limiting ring is fixed on the bottom of the shell, a cam is arranged inside the limiting ring, the cam is connected to a rotating mechanism, the rotating mechanism is used to drive the cam to rotate, and the side of the cam is provided with a A plurality of push plates are distributed circumferentially, and the push plates are connected to the inner wall of the limit ring through a first spring. The push plates are connected to the brush plates through a transmission mechanism, and the transmission mechanism is used to transmit the force exerted on the push plates to the brush plates, so that the brush plates reciprocate outside the filter cartridge to clean the dust on the surface of the filter cartridge. A mechanical chamber distributed circumferentially is provided outside the limit ring, and a push rod is provided inside the mechanical chamber, and the push rod passes through the side wall of the limit ring. An adsorption mechanism is provided at the end of the push rod, and the adsorption mechanism is used to adsorb the push plate, so that the cam cannot squeeze the push plate. 2. A durable cartridge dust removal device according to claim 1, characterized in that the rotating mechanism includes a motor fixed to the bottom of the limiting ring, a rotating shaft is installed at the output end of the motor, the rotating shaft passes through the bottom of the limiting ring and is fixedly connected to the cam. 3. A durable cartridge dust removal device according to claim 1, characterized in that the adsorption mechanism includes a first magnet arranged at the end of the push rod, a second magnet is fixed to the surface of the push plate, and the first magnet and the second magnet have opposite magnetic properties. 4. A durable cartridge dust removal device according to claim 3, characterized in that the push rod passes through the side wall of the mechanical chamber and is slidably connected to the side wall of the mechanical chamber, a baffle is fixed at one end of the push rod passing through the side wall of the mechanical chamber, and the baffle is connected to the outer wall of the mechanical chamber through a second spring, wherein a limit assembly is provided inside the mechanical chamber, and the limit assembly is used to fix the push rod, thereby ensuring the adsorption effect of the adsorption mechanism on the push plate. 5. A durable filter cartridge dust removal device according to claim 4, characterized in that the limiting assembly includes a pin groove arranged on the side wall of the push rod, and a pin rod adapted to the pin groove passes through the side wall of the mechanical chamber, one end of the pin rod is connected to the side wall of the push rod, and the other end of the pin rod is connected to the outer wall of the mechanical chamber through a third spring. 6. A durable filter cartridge dust removal device according to claim 1, characterized in that the transmission mechanism includes a gear arranged inside the mechanical chamber, the gear is meshed with a rack, the rack is fixed with a support rod, the support rod passes through the side wall of the limiting ring and is fixedly connected to the push plate, and a rotating rod passes through the inside of the gear, the rotating rod passes through the bottom of the outer shell and is connected to the brush plate. 7. A durable filter cartridge dust removal device according to claim 6, characterized in that a hollow tube is fixed to one end of the rotating rod located inside the shell, and an adjustment component is provided inside the hollow tube. When the cam no longer squeezes the push plate, the adjustment component is used to drive the brush plate away from the filter cartridge. 8. A durable filter cartridge dust removal device according to claim 7, characterized in that the adjustment component includes a movable rod arranged inside the hollow tube, one end of the movable rod is connected to the top of the hollow tube through an elastic component, the other end of the movable rod passes through the bottom of the hollow tube and the rotating rod, a trapezoidal block for squeezing the movable rod is fixed on the surface of the push rod, the movable rod is rotatably connected to symmetrically distributed connecting rods, the other end of the connecting rod is rotatably connected to a fixed rod, the fixed rod passes through the side wall of the hollow tube and is respectively fixedly connected to the two brush plates. 9. A durable filter cartridge dust removal device according to claim 8, characterized in that the elastic component includes a fourth spring fixedly connected to the top of the movable rod, the other end of the fourth spring is fixedly connected to the top of the hollow tube, a limiting rod is fixed to the top of the hollow tube, the limiting rod extends into the interior of the movable rod and is slidably connected to the movable rod.