Dust removal equipment and dust removal method thereof

Abstract

The invention relates to the technical field of dust removal equipment, in particular to dust removal equipment and a dust removal method thereof, and solves the defects existing in the prior art. The dust removal equipment comprises a moving frame, a dust removal mechanism, an adjusting mechanism and a driving mechanism, a machine body is rotationally arranged on the moving frame, and a transverse plate and a vertical plate are further arranged between the inner walls of the machine body; a storage box is arranged on one side of the vertical plate in the machine body, a push handle with an operation panel is further connected to the movable frame, universal wheels with a brake stopping function are installed at the bottom of the movable frame, the dust removal mechanism is arranged above the machine body, and one end of the dust removal mechanism extends into the storage box and is connected with a dust collection bag through a dust removal fan. The other end of the dust removal mechanism is used for absorbing dust in the air, and a scraping assembly is further rotationally arranged in the dust removal mechanism and used for cleaning attachments; compared with the prior art, dust removal treatment can be effectively carried out, and the multifunctionality of the dust removal equipment can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal equipment, and in particular to a dust removal equipment and a dust removal method thereof. Background Art

[0002] Dust removal equipment is a common method of controlling dust sources in industrial production. It is a dust prevention technical measure that is currently widely used and has good effects. Dust removal equipment is to set up a dust hood at or near the dust source, and use the fan as the power to suck the dust generated in the production process together with the gas carrying the dust into the dust hood, and send it to the dust collector through the air duct for purification. After meeting the emission standards, it is discharged into the atmosphere through the air duct. This can prevent dust from escaping into the indoor air and polluting the air, and prevent it from emitting to the outdoor environment and polluting the environment.

[0003] The Chinese invention patent with the announcement number CN110899286B discloses an industrial ventilation and dust removal device with an adjustment function. The ventilation and dust removal device mainly drives the swing plate to swing through a swing mechanism, so that the dust hood swings at the dust source to expand the dust collection range. In addition, the adjustment mechanism can also be used to drive the dust hood to rotate and move, so that the dust hood and the dust source maintain a specific distance and angle, improve the dust collection effect, and improve the practicality of the equipment. However, the technical solution of the patent still has the following shortcomings: 1. The ventilation and dust removal equipment can only realize the swing adjustment of the dust hood at the dust source, but cannot handle dust sources at different heights; 2. During the dust removal process of the ventilation and dust removal equipment, some dust sources are in a humid environment, which causes the dust to enter the dust removal pipe and adhere to the pipe wall due to humidity. Over time, it will affect the long-term use effect.

[0004] Therefore, it is necessary to provide a dust removal device and a dust removal method thereof to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a dust removal device and a dust removal method thereof to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: A dust removal device comprises a mobile frame, a dust removal mechanism, an adjustment mechanism and a driving mechanism, wherein a body is rotatably arranged on the mobile frame, and a horizontal plate and a vertical plate are respectively arranged between the inner walls of the body, a storage box is arranged in the body on one side of the vertical plate, a push handle with an operation panel is connected to the mobile frame, and a universal wheel with a brake function is installed at the bottom of the mobile frame; The dust removal mechanism is arranged above the machine body, and one end of the dust removal mechanism extends into the storage box and is connected to a dust bag through a dust removal fan, while the other end is used to absorb dust in the air, and a scraping assembly is also rotatably arranged inside the dust removal mechanism to clean the attached objects; The adjustment mechanism includes a column, an adjustment arm and a second connecting seat. The column is fixed on the machine body. A synchronous shaft is arranged between the inner walls of the machine body. A gear is arranged on the synchronous shaft to rotate synchronously with the synchronous shaft. The rotation output of the gear is used to control the angle adjustment of the dust removal. One end of the adjustment arm is arranged between the side walls of the column. The second connecting seat is elastically arranged on one side of the adjustment arm, and the second connecting seat is connected to the dust removal mechanism. A fixed plate is arranged on the column. A synchronous shaft is rotatably arranged below the fixed plate. The height adjustment of the dust removal is controlled by the rotation output of the synchronous shaft. The driving mechanism is arranged inside the machine body. When the driving mechanism is located at the lowest position within its motion range, the driving mechanism can mesh with gear one for transmission. When the driving mechanism rises to the highest position within its motion range, the driving mechanism can output transmission to the scraping assembly. When the driving mechanism moves to the middle position within its motion range, the driving mechanism can output transmission to the synchronous shaft two.

[0007] In one embodiment, the dust removal mechanism includes a cover shell, a curved pipe, a connecting pipe, a lifting seat and a synchronous wheel; A vertically arranged guide rod is installed on the machine body, and the lifting seat is arranged in an "L"-shaped structure. A "U"-shaped guide block is arranged on the side wall of the lifting seat, and the guide block slides on the guide rod. A connecting seat 1 is arranged on the lifting seat through a mounting shaft, and an inner cavity is opened in the connecting seat 1, and a bevel gear set 2 is arranged in the inner cavity. A gear shaft 2 synchronized with the bevel gear set 2 runs through the output end of the bevel gear set 2, and a bevel gear set 1 is arranged between the outside of the connecting seat 1 and the top wall of the lifting seat, and the output end of the bevel gear set 1 is coaxially connected with the input end of the bevel gear 2, and a gear shaft 1 is connected to the input end of the bevel gear set 1, and a synchronous wheel 1 is rotatably arranged on the top surface of the machine body and connected to the end of the gear shaft 1; The connecting pipe is provided with two sections, and the connecting seat is provided with a circular tubular structure. The connecting seat is installed between the two sections of the connecting pipe by means of a threaded connection. One end of the bent pipe is slidably matched with the top end of one of the connecting pipes, and the other end of the bent pipe is connected to the cover shell through a straight pipe.

[0008] In one embodiment, the scraping assembly includes a rotating shaft and a scraper blade, the rotating shaft is installed with the gear shaft 2 by means of a threaded connection, a plurality of scrapers are fixedly installed on the rotating shaft by means of an axial connection, and the scraper blades can be in rotational contact with the inner wall of the connecting tube; When the synchronous wheel 1 rotates, the gear shaft 1 drives the bevel gear set 1 to rotate and output, thereby synchronously driving the bevel gear set 2 to rotate, and then the gear shaft 2 rotates synchronously with the bevel gear set 2, and drives the scraper to rotate between the inner walls of the connecting pipe through the rotating shaft, thereby cleaning the attachments adhering to the inner wall of the connecting pipe.

[0009] In one embodiment, a shaft seat 1 is installed on the inner bottom wall of the body, the bottom end of the synchronization shaft 1 passes through the shaft seat 1 and rotates between the inner walls of the moving frame, and the gear 1 is fixed on the synchronization shaft 1; One end of the adjusting arm is connected to the column by an axis and rotates, and a through hole 1 is opened on the adjusting arm along its length direction, the top of the synchronous shaft 2 is rotated on the bottom wall of the fixed plate, the synchronous shaft 2 is arranged through the through hole 1 and an external thread is opened on its outer surface near the top, an adjusting seat is arranged on the external thread, and a limit shaft is also connected to the adjusting seat, the top of the limit shaft passes through the fixed plate and slides with it, two supports are installed on the top surface of the adjusting arm, and a linkage handle is arranged between the adjusting seat and the support; The connecting seat 2 is connected to the bent pipe by an axis, and two connecting arms are installed on the side wall of the connecting seat 2 facing the adjusting arm, and dovetail blocks are provided on the connecting arms. The dovetail blocks slide between the inner walls of the adjusting arm, and fixed blocks are installed on the side walls of the adjusting arm. A spring rod is installed on the end wall of the connecting arm facing the fixed block, and the other end of the spring rod penetrates the fixed block and slides in contact with it, and a spring 1 is provided on the spring rod.

[0010] In one embodiment, the adjustment mechanism further includes a gear 2, a fixed sleeve and a synchronization shaft 3; A limit seat 1 and a limit seat 2 are respectively arranged on the outer surface and the inner surface of the inclined surface of the machine body, the synchronous shaft 2 penetrates the limit seat 1 and rotates in contact with it, the top of the synchronous shaft 3 is in a "T"-shaped structure and rotates between the inner walls of the limit seat 2, and the synchronous shaft 3 is installed with a synchronous wheel 3 that rotates synchronously with it, the synchronous wheel 2 and the synchronous wheel 3 are located at the same horizontal height and a synchronous belt 1 is connected therebetween; The fixed shaft sleeve is arranged in the middle of the top surface of the gear 2 and is fixedly connected thereto. Sleeves are installed at opposite positions on both sides of the inner wall of the fixed shaft sleeve. A piston shaft is elastically arranged in the sleeve. A clamping block is installed on one end of the piston shaft outside the sleeve. The cross section of the clamping block is an isosceles trapezoid. A clamping groove matching the clamping block is provided on the outer surface of the synchronous shaft 3. The clamping groove is arranged in an annular shape, and the side walls on both sides of the clamping groove are arranged in an inclined shape. A magnet 1 is embedded on the inner wall of the clamping groove. When the clamping block is completely moved into the clamping groove, the end face of the clamping block facing the inside of the clamping groove just contacts with the magnet 1 and is connected as a whole through suction. At this time, the gear 2 and the synchronous shaft 3 can rotate synchronously. An elastic component is also arranged between the synchronous wheel three and the fixed shaft sleeve, and the elastic component includes a spring two and two spring washers. The spring two is installed between the two spring washers, one of which is rotatably arranged on the bottom surface of the synchronous wheel three, and the other spring washer is rotatably arranged on the top surface of the fixed shaft sleeve.

[0011] In one embodiment, the driving mechanism includes a lifting motor, a lifting platform, a gear three, a gear four and a transmission member; The transmission member is rotatably arranged on the bottom surface of the horizontal plate, and a synchronous belt 2 is connected between the transmission member and the synchronous wheel 1, and a transmission groove is opened in the middle of the bottom surface of the transmission member; The lifting motor is installed on the inner bottom wall of the machine body, the lifting platform is installed on the end of the output shaft of the lifting motor, a rotating motor is installed on the bottom wall of the lifting platform, gear three is installed on the end of the output shaft of the rotating motor, gear four rotates on the lifting platform through an axial connection, an annular groove is provided on gear four, gear three is meshed with the tooth groove on the annular groove, gear five is installed in the middle of the top surface of gear four, gear five is always meshed with gear two, a boss is installed in the middle of the top surface of gear five, the boss matches the transmission groove and can be arranged through friction transmission.

[0012] In one embodiment, when the output distance of the lifting motor is the shortest, the gear 4 is meshed with the gear 1, and the gear 3 is used to transmit the gear 4, so that the gear 4 rotates indirectly with the gear 4, thereby driving the entire body to rotate through the synchronous shaft 1, thereby realizing the adjustment of the dust removal angle; When the output distance of the lifting motor is the farthest, the boss contacts the transmission groove and drives the synchronous wheel 1 to rotate through the synchronous belt 2 under the action of friction transmission, and then drives the scraping component through the transmission action of the bevel gear set 1 and the bevel gear set 2, thereby realizing the cleaning of the attachments on the inner wall of the connecting pipe; When the output distance of the lifting motor is 1 / 2 of its longest distance, the card block and the card slot are connected as one by magnet 1. At this time, the fixed sleeve and the synchronous shaft 3 rotate synchronously with the rotation of gear 2. As the synchronous shaft 3 rotates, the synchronous wheel 3 rotates synchronously therewith, and drives the synchronous wheel 2 to rotate under the action of the synchronous belt 1, thereby driving the synchronous shaft 2 and controlling the lifting and lowering adjustment of the adjustment seat, thereby realizing the adjustment of the dust removal height.

[0013] In one embodiment, a limit assembly is also provided on the lower side of the gear one, and the limit assembly includes a top plate, a piston sleeve and a fixed column, the fixed column is installed on the bottom wall of the body, the piston sleeve slides on the vertical outer wall of the fixed column and a spring three is provided therebetween, the top plate is installed on the top of the piston sleeve, and a magnet two is embedded on the top plate at a position close to the side where the gear one is located, so that the gear one can be connected as a whole by suction when in contact with the top plate.

[0014] A dust removal method for dust removal equipment comprises the following steps: S1. First, connect the dust removal fan, dust bag and connecting pipe, then push the mobile frame to the working environment where dust removal is required, stop the brake, start the dust collection fan, so that the external dust is sucked from the cover under the action of negative pressure suction, and finally sent to the dust bag for collection; S2. Then, when it is necessary to adjust the dust suction angle, the lifting motor is reset to the position with the shortest output distance, so that the gear four is meshed with the gear one at this time, and then the rotation angle of the entire body is controlled by controlling the rotation of the gear three, so as to realize the control and adjustment of the dust suction angle. When it is necessary to adjust the dust suction height, the lifting motor is adjusted to 1 / 2 of the farthest output distance, so that the card block and the card slot are connected as one through the suction force of the magnet one, so that the synchronous wheel three at this time drives the synchronous wheel two to rotate synchronously under the drive of the gear two, and then drives the output of the synchronous shaft two, and adjusts the height position of the lifting seat under the drive of the thread transmission, and then controls the up and down swing angle of the adjustment arm through the linkage handle, and then realizes the control and adjustment of the dust suction height. When it is necessary to clean the attachments on the inner wall of the connecting pipe, the lifting motor is adjusted to the position with the farthest output distance, so that the boss is connected with the transmission member at this time, and then drives the output of the synchronous wheel one under the action of the friction transmission, and then drives the scraping component through the transmission effect of the bevel gear set one and the bevel gear set two, so as to realize the cleaning of the attachments; S3. Then, when the dust removal is completed or the dust bag is full, pause and replace the dust bag. After everything is completed, reset the device.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are: The present invention provides a dust removal mechanism, an adjustment mechanism and a driving mechanism, utilizes the dust removal mechanism to collect and process dust, powder, etc., and then uses the adjustment mechanism to adjust the height and angle of the dust removal position. In addition, by changing the output distance of the lifting motor on the driving mechanism, when it is in the lowest output position, the dust removal angle can be adjusted, and when it is in the highest output position, the attachments on the inner wall of the dust collection duct can be cleaned, and when it is in the middle position of the output distance, the dust removal height can also be adjusted, thereby effectively improving the versatility of the dust removal equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0017] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2It is a schematic diagram of the main structure of the present invention (including the interior of the machine body); Figure 3 It is a structural schematic diagram of the dust removal mechanism of the present invention; Figure 4 It is a schematic diagram of the connection between the adjustment mechanism, the driving mechanism and the limit assembly of the present invention; Figure 5 It is a structural schematic diagram of the regulating mechanism of the present invention; Figure 6 It is a schematic diagram of the positional relationship between the card block and the card slot of the present invention; Figure 7 It is a structural schematic diagram of the driving mechanism of the present invention; Figure 8 It is a structural schematic diagram of the limiting component of the present invention.

[0018] In the figure: 1, mobile frame; 11, operation panel; 2, machine body; 21, storage box; 22, guide rod; 23, horizontal plate; 24, vertical plate; 3, dust removal mechanism; 31, cover; 32, elbow; 33, connecting pipe; 331, connecting seat 1; 34, lifting seat; 35, bevel gear set 1; 36, synchronous wheel 1; 37, bevel gear set 2; 38, rotating shaft; 381, scraper; 4, adjustment mechanism; 41, fixed plate; 42, column; 421, synchronous shaft 1; 43, adjustment arm; 44, adjustment seat; 441, limit shaft; 442, linkage handle; 443, synchronous shaft 2 ;444, synchronous wheel two;45, connecting seat two;451, connecting arm;452, fixed block;453, elastic rod;46, gear one;47, gear two;48, fixed sleeve;481, clamping block;49, synchronous shaft three;491, synchronous wheel three;492, clamping groove;5, driving mechanism;51, lifting motor;52, lifting platform;53, gear three;54, gear four;541, tooth groove;542, gear five;543, boss;55, synchronous shaft four;56, transmission part;6, limit assembly;61, top plate;611, piston sleeve;62, fixed column. DETAILED DESCRIPTION

[0019] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can appreciate the application of other processes and / or the use of other materials.

[0020] like Figure 1-2As shown, the present invention provides a technical solution: a dust removal device, including a mobile frame 1, a dust removal mechanism 3, an adjustment mechanism 4 and a driving mechanism 5, two symmetrically arranged push handles are fixedly installed on the mobile frame 1, an operation panel 11 with a PLC controller is installed between the side walls of the push handles on both sides, and a universal wheel (with a brake function) is installed at the bottom of the mobile frame 1, a body 2 with an internal cavity structure is rotatably arranged on the mobile frame 1, a horizontal plate 23 and a vertical plate 24 are installed between the inner walls of the body 2 by screws, an opening is set on the side wall of the body 2 opposite to the vertical plate 24, and one side of the vertical plate 24 is on the body 2 A storage box 21 is installed between the inner walls, and a dust collecting fan and a dust collecting bag installed on the outlet end of the dust collecting fan are arranged in the storage box 21. The storage box 21 is fixed to the body 2 as a whole by fastening screws, and one side wall of the storage box 21 is arranged between the inner walls of the opening of the body 2. A taking and placing opening is opened on one side wall of the storage box 21. A sealing cover is rotatably arranged on the outer wall of the storage box 21 through an axial connection on the outside of the taking and placing opening. The sealing cover is fixed to the outer wall of the storage box 21 by magnet adsorption, and the magnet is embedded in the outer wall of the storage box 21.

[0021] An adjusting mechanism 4 is provided on the machine body 2, and a driving mechanism 5 is provided inside the machine body 2 below the adjusting mechanism 4. The adjusting mechanism 4 can be rotated and raised and lowered by the driving mechanism 5. One end of the dust removal mechanism 3 is connected to one end of the adjusting mechanism 4, and the other end of the dust removal mechanism 3 is provided in the storage box 21.

[0022] like Figure 3 As shown, the dust removal mechanism 3 includes a cover 31, a curved pipe 32, a connecting pipe 33, a lifting seat 34, a synchronous wheel 36 and a scraping assembly; The cam 33 is provided with a screw threaded connection to the top of the cam 33 so that the cam 33 can be easily removed from the cam 33.

[0023] A vertically arranged guide rod 22 is installed on the top surface of the machine body 2 by bolts, a "U"-shaped guide block is welded on one side wall of the lifting seat 34, and the guide block is fixed between the outer walls of the guide rod 22 by bolts, and a mounting shaft is welded on the side wall of the connecting seat 1 331 facing the lifting seat 34, and the mounting shaft and the lifting seat 34 are installed as a whole by threaded connection, and an inner cavity is opened in the middle of the connecting seat 1 331, and a bevel gear set 2 37 is arranged in the inner cavity, and a bevel gear set 1 35 is also arranged outside the connecting seat 1 331, and a channel communicating with the connecting pipe 33 is arranged outside the inner cavity for dust and impurities to pass through.

[0024] The bevel gear set 1 35 includes two bevel gears 1 46 meshing with each other, and the bevel gear set 2 37 includes two bevel gears 2 47 meshing with each other, wherein one bevel gear 1 46 is rotatably arranged on the top surface of the lifting seat 34 by means of an axis connection, and a gear shaft 1 synchronized with the bevel gear 1 46 is connected to the bottom wall thereof, and the gear shaft 1 penetrates the lifting seat 34 and is rotatably connected with the lifting seat 34 by means of a bearing, and a synchronous wheel 1 36 keyed to the gear shaft 1 is arranged at the end thereof, and the synchronous wheel 1 36 is rotatably arranged on the top surface of the machine body 2 by means of an axis connection, and the bottom end of the gear shaft 1 is connected to the lifting seat 34 by means of a bearing. The bearing rotates between the inner walls of the machine body 2, and another bevel gear 1 46 is coaxially connected to one of the bevel gears 2 47 and is respectively located outside and inside the connecting seat 1 331. A gear shaft 2 fixed thereto and rotating synchronously therewith passes through the middle of the other bevel gear 2 47. Scraping assemblies are provided at both ends of the gear shaft 2. The scraping assemblies include a rotating shaft 38 and scrapers 381. The rotating shaft 38 is provided with two and is respectively threadedly connected to the two ends of the gear shaft 2. A plurality of scrapers 381 that can rotatably contact the inner wall of the connecting pipe 33 are installed on the rotating shaft 38 through an axial connection.

[0025] It should be further explained that the synchronous wheel 1 36 drives the gear shaft 1 to rotate, so that the gear shaft 1 synchronously drives the bevel gear set 1 35 to transmit, and drives the bevel gear set 2 37 to rotate synchronously and output under the coaxial action, thereby driving the rotating shaft 38 to rotate, and then the scraper 381 installed on the rotating shaft 38 can continuously rotate and scrape along the inner wall of the connecting tube 33 as the rotating shaft 38 rotates, so as to scrape off the attachments on the inner wall of the connecting tube 33.

[0026] In addition, during the process of adjusting the dust removal height, the curved pipe 32 will generate an upward and downward displacement movement as the connecting seat 2 45 is adjusted, so that the slider on the curved pipe 32 can slide back and forth in the slide groove for adjustment.

[0027] like Figure 4-6 As shown, the adjustment mechanism 4 includes a fixing plate 41, a column 42, an adjustment arm 43, an adjustment seat 44, a second connecting seat 45, a gear 1 46, a gear 2 47 and a synchronization shaft 3 49; An axle seat 1 is installed on the inner bottom wall of the body 2 by screws, and a synchronization shaft 421 is arranged between the mobile frame 1 and the top wall of the body 2. The synchronization shaft 421 passes through the axle seat 1 and is in rotational contact with it. The bottom end of the synchronization shaft 421 rotates between the inner walls of the mobile frame 1. The column 42 is fixed to the body 2 by bolts, and the top of the synchronization shaft 421 is fixedly connected to the inner top wall of the body 2. The fixing plate 41 is fixed to the top of the column 42 by bolts, and a gear 46 that rotates synchronously with the synchronization shaft 421 is installed on the synchronization shaft 421 by screws.

[0028] An adjusting arm 43 is rotatably arranged between the side walls of the column 42 by means of an axial connection. A through hole is provided on the adjusting arm 43 along its length direction, and a groove is also provided at one end of the adjusting arm 43 connected to the column 42. The groove is adapted to the up and down swing amplitude of the adjusting arm 43. A fixing block 452 is installed on both side walls of the adjusting arm 43 by screws. A dovetail-shaped guide groove is provided on one side of the fixing block 452 along its length direction on the side wall of the adjusting arm 43. A dovetail block is slidably arranged between the inner walls of the guide groove. A guide block slidably arranged with the guide groove is provided on both side walls of the adjusting arm 43. The dovetail block is fixed to the connecting arm 451 on the same side with the connecting arm 451 by screws, and a connecting seat 2 45 is installed between the end walls of one side of the connecting arms 451 on both sides by screws. The connecting seat 2 45 is arranged in a "U" shape, and a "T"-shaped spring rod 453 is welded on the end wall of the other side of the connecting arm 451, and the spring rod 453 passes through the fixed block 452 and is in sliding contact with it, and a spring 1 is sleeved on the outside of the spring rod 453 between the connecting arm 451 and the fixed block 452, and the two ends of the spring 1 are respectively fixed to the connecting arm 451 and the fixed block 452.

[0029] The curved pipe 32 is located in the middle of the connecting seat 2 45 and is connected thereto by an axial connection. The connecting pipe 33 connected to the lower end of the curved pipe 32 always remains in a vertical state, and its vertical position always remains unchanged.

[0030] It should be further explained that, as the adjusting arm 43 swings up and down on the side wall of the column 42, due to the connection relationship (sliding contact) between the guide rod 22 and the guide block, the connecting seat 2 45 cooperates with the spring 1 on the elastic rod 453 to change the distance between it and the adjusting arm 43 during the swinging process of the adjusting arm 43, so that the bent pipe 32 and the connecting pipe 33 are always adjusted up and down in the original vertical position.

[0031] A bearing seat is installed on the bottom wall of the fixed plate 41 by screws, and a synchronous shaft 443 is rotatably arranged between the inner walls of the bearing seat. An external thread is provided on the synchronous shaft 443 near the top, and the bottom end of the synchronous shaft 443 passes through the through hole and slides in contact with it. Moreover, the bottom end of the synchronous shaft 443 also passes through the inclined surface of the body 2 and extends to the inside of the body 2, and a synchronous wheel 444 is installed on the synchronous shaft 443 near the bottom by a key connection (the position of the synchronous wheel 444 remains unchanged).

[0032] Two supports are installed on the top surface of the adjusting arm 43 by screws, and an adjusting seat 44 threadedly connected to the external thread is arranged on the synchronous shaft 443. A "T"-shaped limiting shaft 441 fixed to the adjusting seat 44 is also inserted into the adjusting seat 44. The limiting shaft 441 passes through the fixed plate 41 and is in sliding contact with it. A linkage handle 442 is rotatably arranged between the side wall of the adjusting seat 44 and the support located on the same side thereof through an axial connection.

[0033] A limit seat 1 and a limit seat 2 with a "trapezoidal" cross-section are respectively installed on the inclined outer surface and inner surface of the body 2 by screws, and the synchronous shaft 2 443 penetrates the limit seat 1 and rotates in contact with it. A synchronous shaft 3 49 is rotatably arranged between the inner walls of the limit seat 2. The portion of the synchronous shaft 3 49 located in the limit seat 2 is arranged in a "T"-shaped structure, so that the synchronous shaft 3 49 and the limit seat 2 will never be separated. A synchronous wheel 3 491 that rotates synchronously with the limit seat 2 is installed on the synchronous shaft 3 49 by a key connection (the position of the synchronous wheel 3 491 always remains unchanged), and the synchronous wheel 2 444 and the synchronous wheel 3 491 are located at the same horizontal height and a synchronous belt 1 is connected between them.

[0034] An annular groove 492 is provided on the outer surface of the synchronous shaft 3 49. Both sides of the groove 492 are inclined. A magnet 1 is embedded on the inner wall of the other end of the groove 492 (see attached). Figure 6 The shaded part in the middle), a fixed sleeve 48 is slidably provided on the outside of the synchronous shaft three 49, and sleeves are installed at two opposite positions on the inner wall of the fixed sleeve 48 by screws, and a piston shaft is elastically provided between the inner walls of the sleeve, and a clamping block 481 is installed on one end of the piston shaft by screws, and the side walls of the clamping block 481 on both sides are arranged with inclined surfaces (the cross section of which is an isosceles trapezoid), and the inclined surfaces of the clamping block 481 can be in contact with the inclined surfaces of the slot 492 through sliding. When the clamping block 481 is completely moved into the slot 492, the end face of the clamping block 481 facing the inner direction of the slot 492 just contacts with the magnet one and is connected as a whole through suction, and a gear two 47 is installed on the bottom end of the fixed sleeve 48 by screws.

[0035] In addition, a spring assembly is provided between the synchronous wheel three 491 and the fixed shaft sleeve 48, and the spring assembly includes a spring two and two spring washers. The spring two sleeve is arranged on the outside of the synchronous shaft three 49 and its two ends are respectively connected and fixed to the two spring washers. One of the spring washers is rotatably provided on the bottom wall of the synchronous wheel three 491 and the two are not separated, and the other spring washer is provided on the top wall of the fixed shaft sleeve 48 and is rotatably connected thereto and the two are not separated.

[0036] It should be further explained that when the fixed sleeve 48 and the gear 2 47 slide on the synchronous shaft 3 49 in the vertical direction, the block 481 in the fixed sleeve 48 performs a vertical sliding contact movement along the outer surface of the synchronous shaft 3 49, and when the block 481 moves to be inserted into the card slot 492, when the gear 2 47 rotates, the synchronous shaft 3 49 can rotate synchronously with it under the action of the connection between the block 481 and the card slot 492, thereby driving the synchronous wheel 3 491 on the synchronous shaft 3 49 to rotate, and then driving the synchronous wheel 2 444 to rotate through the action of the synchronous belt 1, and synchronously driving the synchronous shaft 2 443 to rotate, with the rotation of the synchronous shaft 2 443, under the drive of the external thread and the guiding action of the limit shaft 441, the adjustment seat 44 can be raised and lowered along the vertical direction of the synchronous shaft 2 443, thereby driving the adjustment arm 43 to swing up and down through the linkage handle 442, so as to change the height position of the dust removal; When the gear 1 46 rotates, the entire body 2 is driven to rotate together directly through the synchronous shaft 1 421, thereby changing the angle position of the dust removal.

[0037] like Figure 4 and Figure 7 As shown, the driving mechanism 5 includes a lifting motor 51, a lifting platform 52, a gear three 53, a gear four 54, a synchronous shaft four 55 and a transmission member 56; The lifting motor 51 is installed on the inner bottom wall of the body 2 by bolts, and a shaft seat 2 is also installed on the inner bottom wall of the body 2 by screws. The shaft seat 2 is arranged close to the lifting motor 51. The lifting platform 52 is installed on the end of the output shaft of the lifting motor 51 by screws. A rotating motor is installed on the bottom wall of the lifting platform 52 by screws, and a gear 3 53 is fixedly installed on the end of the output shaft of the rotating motor.

[0038] The bottom end of the synchronous shaft 4 55 is rotatably arranged between the inner walls of the shaft seat 2, and the top end thereof penetrates the transverse plate and rotates between the inner walls of the transverse plate through the bearing.

[0039] The transmission member 56 is arranged in a truncated cone structure, and a belt groove is provided on the outer surface of the transmission member 56, a synchronous belt 2 is connected between the belt groove and the synchronous wheel 1 36, and a transmission groove is also provided on the bottom wall of the transmission member 56. The transmission member 56 is rotatably arranged on the bottom wall of the cross plate 23 by means of an axial connection, and the synchronous shaft 4 55 passes through the transmission member 56 and is in rotational contact with it.

[0040] A gear four 54 is rotatably provided on the lifting platform 52 by means of an axial connection. The gear four 54 can mesh with the gear one 46 for transmission. An annular groove is provided on the outer surface of the gear four 54, and a tooth groove 541 meshing with the gear three 53 is provided on the inner wall of the annular groove. A gear five 542 fixed as a whole with the gear four 54 is installed in the middle of the top surface of the gear four 54. The gear five 542 can always mesh with the gear two 47 for transmission, and a boss 543 fixed to the gear five 542 is also installed in the middle of the top surface of the gear five 542 by means of a screw. The boss 543 is adapted to the transmission groove and can cooperate with each other through friction transmission. The synchronous shaft four 55 passes through the boss 543, the gear five 542 and the gear four 54 and is respectively arranged to rotate in contact with them.

[0041] It should be further explained that, in state 1: when the output distance of the lifting motor 51 is the shortest (i.e., the lifting motor 51 is in the reset stop and unstarted state), the gear 4 54 is meshed with the gear 1 46 on one side, and the rotating motor is started to drive the gear 3 53, so that the gear 4 54 synchronously drives the gear 1 46 to rotate, thereby realizing the adjustment of the dust removal angle; State 2: When the output distance of the lifting motor 51 is the farthest (i.e., when the boss 543 is in contact with the transmission groove), the rotating motor is started to drive the gear 3 53, so that the gear 4 54 drives the boss 543 to rotate, thereby driving the transmission member 56 to rotate together under the action of friction transmission, and driving the synchronous wheel 1 36 to rotate under the action of the synchronous belt 2, thereby driving the scraping assembly through the transmission action of the bevel gear set 1 35 and the bevel gear set 2 37, and achieving the scraping work of the attachments on the inner wall of the connecting pipe 33; State 3: During the lifting process of the lifting motor 51, when the block 481 is completely moved into the slot 492 (at this time, the output distance of the lifting motor 51 is 1 / 2 of its farthest output distance), the contact sensor is triggered. At this time, the PLC controller immediately pauses the lifting motor 51 to keep it in this position, so that the fixed sleeve 48 and the synchronous shaft three 49 can move synchronously under the connection between the block 481 and the slot 492. Subsequently, by starting the rotating motor, the gear three 53 is driven to rotate the gear four 54 synchronously with the gear five 542, and then the gear two 47 starts to rotate under the transmission action of the gear five 542, thereby driving the synchronous shaft three 49 to rotate through the fixed sleeve 48. As the synchronous shaft three 49 rotates, the synchronous wheel three 491 on the synchronous shaft three 49 also rotates synchronously, and then drives the synchronous wheel two 444 to rotate together through the synchronous belt one, thereby driving the synchronous shaft two 443, so as to adjust the dust removal height.

[0042] During this change process, different functions are changed by pressing different function cases on the operation panel 11 to control the output distance of the lifting motor 51. When the gear four 54 is reset from state 2 or state 3 to state 1, that is, when it is adjusted down to mesh with the gear one 46, the output angle of the rotating motor is controlled by the PLC controller to control the gear four 54 to reset to a state where it can mesh with the gear one 46 (the gear four 54 can be reset to the initial state directly during the descent process, because the gear four 54 is in a position meshing with the gear one 46 in the initial state).

[0043] like Figure 4 and Figure 8 As shown, a limit assembly 6 is also provided on one side below the gear 1 46, and the limit assembly 6 includes a top plate 61, a piston sleeve 611 and a fixing column 62; The fixed column 62 is arranged in a "⊥"-shaped structure and is fixed to the inner bottom wall of the body 2. A spring three is sleeved on the outside of the fixed column 62. The bottom end of the spring three is fixed to the fixed column 62. A magnet two (not shown in the figure) is embedded on the top surface of the top plate 61 at a position close to the side where the gear one 46 is located. A piston sleeve 611 is installed in the middle of the bottom wall of the top plate 61 by screws. The piston sleeve 611 is sleeved on the fixed column 62 and in sliding contact with it. The top end of the spring three is in contact with the bottom end of the piston sleeve 611.

[0044] Among them, the gear 1 46 and the top plate 61 can be connected and fixed by suction, and there is no suction between the gear 4 54 and the top plate 61, and there is only rotational contact between them.

[0045] It should be further explained that when the output distance of the lifting motor 51 is the shortest (i.e., in the above-mentioned state 1), at this time, since the thickness of gear four 54 is greater than the thickness of gear one 46, the top plate 61 that was originally adsorbed together with gear one 46 is pressed downward, so that at this time, there is no suction between gear one 46 and the top plate 61, and meshing is generated between gear one 46 and gear four 54. Afterwards, as the output distance of the lifting motor 51 continues to increase, due to the setting of spring three, the top plate 61 presses against the bottom surface of gear four 54 and is synchronously adjusted upward as the gear four 54 rises, until it contacts the bottom surface of gear one 46 and is connected as a whole through suction. When gear four 54 leaves gear one 46, the position of gear one 46 at this time can remain stable under the action of the top plate 61.

[0046] Working principle: First, connect the dust removal fan, dust bag and connecting pipe 33, then push the mobile frame 1 to the working environment where dust removal is required, stop the brake, start the dust collection fan, so that the external dust is sucked from the cover 31 under the action of negative pressure suction, and finally sent to the dust bag for collection; Next, when the vacuuming angle needs to be adjusted, the lifting motor 51 is reset to the position with the shortest output distance, so that the gear 4 54 is meshed with the gear 1 46 at this time, and then the rotation of the gear 3 53 is controlled to drive the rotation of the synchronous shaft 1 421, so that the rotation of the synchronous shaft 1 421 controls the rotation angle of the entire body 2, thereby realizing the control and adjustment of the vacuuming angle; When the dust suction height needs to be adjusted, the lifting motor 51 is adjusted to 1 / 2 of the farthest output distance, so that the card block 481 is completely moved into the card slot 492 and the two are connected as a whole through the suction force of the magnet one, so that the gear four 54 is driven by the gear three 53 to rotate, and drives the gear five 542 thereon to rotate, and then controls the rotation of the gear two 47 through the meshing transmission of the gear five 542 and the gear two 47, so that the synchronous shaft three 49 drives the synchronous wheel three 491 thereon to rotate together with the gear two 47, and drives the synchronous wheel two 444 to rotate under the action of the synchronous belt one, so that it drives the output of the synchronous shaft one 421 As the synchronous shaft 1 421 rotates, the adjusting seat 44 moves in the vertical direction under the action of the threaded portion, thereby controlling the up and down swing angles of the adjusting arm 43 through the linkage handle 442, and then realizing the control and adjustment of the dust collection height. During the swinging process of the linkage handle 442, since the vertical positions of the connecting pipe 33 and the curved pipe 32 are fixed, the connecting seat 2 45 needs to adjust the distance between it and the swing arm under the cooperation of the elastic rod 453 and the spring 1 thereon, and the curved pipe 32 will also cooperate to adjust its position in the vertical direction, so that the vertical positions of the connecting pipe 33 and the curved pipe 32 will not be affected by the swinging process and will not be misaligned. When it is necessary to clean the attachments on the inner wall of the connecting pipe 33, the lifting motor 51 is adjusted to the position with the farthest output distance, so that the boss 543 is connected to the transmission member 56 at this time, and then the output of the synchronous wheel 1 36 on the gear shaft 1 is driven by the synchronous belt 2 under the friction transmission effect of the two, and then the scraping component is driven by the transmission effect of the bevel gear set 1 35 and the bevel gear set 2 37, so as to realize the cleaning of the attachments; Then, when dust removal is completed or the dust bag is full, pause and replace the dust bag. When everything is completed, reset the device.

[0047] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, internal communication between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the meanings of the above terms in this application can be understood according to specific circumstances.

[0048] The above is a detailed introduction to a dust removal device and a dust removal method provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and core idea of ​​the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A dust removal device, characterized in that: include: A mobile frame (1), wherein a body (2) is rotatably mounted on the mobile frame (1), and a horizontal plate (23) and a vertical plate (24) are respectively arranged between the inner walls of the body (2), a storage box (21) is arranged inside the body (2) on one side of the vertical plate (24), a push handle with an operation panel (11) is connected to the mobile frame (1), and a universal wheel with a brake function is installed at the bottom of the mobile frame (1); A dust removal mechanism (3), wherein the dust removal mechanism (3) is arranged above the machine body (2), and one end of the dust removal mechanism (3) extends into the storage box (21) and is connected to a dust bag via a dust removal fan, while the other end of the dust removal mechanism (3) is used to absorb dust in the air, and a scraping assembly is rotatably arranged inside the dust removal mechanism (3) for cleaning attached matter; An adjustment mechanism (4), the adjustment mechanism (4) comprising a column (42), an adjustment arm (43) and a second connecting seat (45), the column (42) being fixed on the machine body (2), a synchronous shaft (421) being arranged between the inner walls of the machine body (2), a gear (46) being arranged on the synchronous shaft (421) and rotating synchronously therewith, and the angle adjustment of dust removal is controlled by the rotation output of the gear (46), one end of the adjustment arm (43) being arranged between the side walls of the column (42), the second connecting seat (45) being elastically arranged on one side of the adjustment arm (43), and the second connecting seat (45) being connected to the dust removal mechanism (3), a fixing plate (41) being arranged on the column (42), a synchronous shaft (443) being rotatably arranged below the fixing plate (41), and the height adjustment of dust removal is controlled by the rotation output of the synchronous shaft (443); A drive mechanism (5), wherein the drive mechanism (5) is arranged inside the machine body (2); when the drive mechanism (5) is located at the lowest position within its range of motion, the drive mechanism (5) can mesh with the gear one (46) for transmission; when the drive mechanism (5) rises to the highest position within its range of motion, the drive mechanism (5) can output transmission to the scraping assembly; when the drive mechanism (5) moves to the middle position within its range of motion, the drive mechanism (5) can output transmission to the synchronous shaft two (443).

2. A dust removal device according to claim 1, characterized in that: The dust removal mechanism (3) comprises a cover shell (31), a curved pipe (32), a connecting pipe (33), a lifting seat (34) and a synchronous wheel (36); A vertically arranged guide rod (22) is installed on the machine body (2); the lifting seat (34) is arranged in an "L"-shaped structure; a "U"-shaped guide block is arranged on the side wall of the lifting seat (34); the guide block slides on the guide rod (22); a connecting seat (331) is arranged on the lifting seat (34) through a mounting shaft; an inner cavity is provided in the connecting seat (331); a bevel gear set (37) is arranged in the inner cavity; a gear shaft (2) synchronized with the bevel gear set (37) is passed through the output end of the bevel gear set (37); a bevel gear set (35) is arranged between the outside of the connecting seat (331) and the top wall of the lifting seat (34); the output end of the bevel gear set (35) is coaxially connected to the input end of the bevel gear set (47); and a gear shaft (1) is connected to the input end of the bevel gear set (35); a synchronous wheel (36) is rotatably arranged on the top surface of the machine body (2) and is connected to the end of the gear shaft (1); The connecting pipe (33) is provided with two sections, the connecting seat 1 (331) is provided in a circular tubular structure, the connecting seat 1 (331) is installed between the two sections of the connecting pipe (33) by means of a threaded connection, one end of the bent pipe (32) is slidably matched with the top end of one section of the connecting pipe (33), and the other end of the bent pipe (32) is connected to the cover shell (31) by means of a straight pipe.

3. A dust removal device according to claim 2, characterized in that: The scraping assembly comprises a rotating shaft (38) and scraping blades (381); the rotating shaft (38) and the second gear shaft are installed by means of a threaded connection; a plurality of scraping blades (381) are fixedly installed on the rotating shaft (38) by means of an axial connection; the scraping blades (381) are capable of rotatably contacting the inner wall of the connecting tube (33); When the synchronous wheel 1 (36) rotates, the gear shaft 1 drives the bevel gear set 1 (35) to rotate and output, thereby synchronously driving the bevel gear set 2 (37) to rotate, and then the gear shaft 2 rotates synchronously with the bevel gear set 2 (37), and drives the scraper (381) to rotate between the inner walls of the connecting pipe (33) through the rotating shaft (38), thereby cleaning the attachments adhering to the inner walls of the connecting pipe (33).

4. A dust removal device according to claim 3, characterized in that: A shaft seat 1 is installed on the inner bottom wall of the body (2); the bottom end of a synchronous shaft 1 (421) passes through the shaft seat 1 and rotates between the inner walls of the movable frame (1); a gear 1 (46) is fixed on the synchronous shaft 1 (421); One end of the adjusting arm (43) is connected to the column (42) by an axis so as to rotate, and a through hole 1 is provided on the adjusting arm (43) along its length direction, the top end of the second synchronous shaft (443) rotates on the bottom wall of the fixed plate (41), the second synchronous shaft (443) passes through the through hole 1 and is provided with an external thread on its outer surface near the top, an adjusting seat (44) is provided on the external thread, and a limiting shaft (441) is also connected to the adjusting seat (44), the top of the limiting shaft (441) passes through the fixed plate (41) and is in sliding contact with the fixed plate (41), two supports are installed on the top surface of the adjusting arm (43), and a linkage handle (442) is provided between the adjusting seat (44) and the support; The second connecting seat (45) and the bent pipe (32) are connected via an axis, and two connecting arms (451) are installed on the side wall of the second connecting seat (45) facing the adjusting arm (43), and dovetail blocks are installed on the connecting arms (451). The dovetail blocks slide between the inner walls of the adjusting arm (43), and fixed blocks (452) are installed on both side walls of the adjusting arm (43). An elastic rod (453) is installed on the end wall of the connecting arm (451) facing the fixed block (452), and the other end of the elastic rod (453) penetrates the fixed block (452) and is in sliding contact with the fixed block, and a spring (453) is installed on the elastic rod (453).

5. A dust removal device according to claim 4, characterized in that: The adjustment mechanism (4) further comprises a second gear (47), a fixed shaft sleeve (48) and a third synchronous shaft (49); A limit seat 1 and a limit seat 2 are respectively arranged on the outer surface and the inner surface of the inclined surface of the body (2); the synchronous shaft 2 (443) passes through the limit seat 1 and is in rotational contact with the limit seat 1; the top end of the synchronous shaft 3 (49) is in a "T"-shaped structure and rotates between the inner walls of the limit seat 2; and a synchronous wheel 3 (491) is installed on the synchronous shaft 3 (49) and rotates synchronously with the synchronous wheel 3 (49); the synchronous wheel 2 (444) and the synchronous wheel 3 (491) are located at the same horizontal height and a synchronous belt 1 is connected therebetween; A fixed shaft sleeve (48) is arranged in the middle of the top surface of the second gear (47) and is fixedly connected thereto. Sleeves are installed at opposite positions on both sides of the inner wall of the fixed shaft sleeve (48). A piston shaft is elastically arranged in the sleeve. A clamping block (481) is installed on one end of the piston shaft located outside the sleeve. The cross section of the clamping block (481) is an isosceles trapezoid. A clamping groove (492) matching the clamping block (481) is provided on the outer surface of the synchronous shaft (49). The clamping groove (492) is arranged in an annular shape, and both side walls of the clamping groove (492) are arranged in an inclined shape. A magnet 1 is embedded on the inner wall of the clamping groove (492). When the clamping block (481) is completely moved into the clamping groove (492), the end surface of the clamping block (481) facing the inside of the clamping groove (492) just contacts with the magnet 1 and is connected as a whole through suction. At this time, the second gear (47) and the synchronous shaft (49) can rotate synchronously. An elastic component is also provided between the synchronous wheel three (491) and the fixed shaft sleeve (48), the elastic component comprising a spring two and two spring washers, the spring two being installed between the two spring washers, one of the spring washers being rotatably provided on the bottom surface of the synchronous wheel three (491), and the other spring washer being rotatably provided on the top surface of the fixed shaft sleeve (48).

6. A dust removal device according to claim 5, characterized in that: The driving mechanism (5) comprises a lifting motor (51), a lifting platform, a gear three (53), a gear four (54) and a transmission member (56); The transmission member (56) is rotatably disposed on the bottom surface of the horizontal plate (23), a second synchronous belt is connected between the transmission member (56) and the first synchronous wheel (36), and a transmission groove is provided in the middle of the bottom surface of the transmission member (56); The lifting motor (51) is mounted on the inner bottom wall of the machine body (2), the lifting platform is mounted on the end of the output shaft of the lifting motor (51), a rotating motor is mounted on the bottom wall of the lifting platform, a gear three (53) is mounted on the end of the output shaft of the rotating motor, a gear four (54) is rotated on the lifting platform by means of an axis connection, a ring groove is provided on the gear four (54), the gear three (53) is meshed with a tooth groove (541) on the ring groove, a gear five (542) is mounted in the middle of the top surface of the gear four (54), the gear five (542) is always meshed with the gear two (47), a boss (543) is mounted in the middle of the top surface of the gear five (542), the boss (543) matches the transmission groove and can be arranged therebetween through friction transmission.

7. A dust removal device according to claim 6, characterized in that: When the output distance of the lifting motor (51) is the shortest, the gear four (54) is meshed with the gear one (46), and the gear one (46) rotates indirectly with the gear four (54) through the transmission effect of the gear three (53) on the gear four (54), thereby driving the body (2) as a whole to rotate through the synchronous shaft one (421), thereby achieving the adjustment of the dust removal angle; When the output distance of the lifting motor (51) is the farthest, the boss (543) contacts the transmission groove and drives the synchronous wheel (36) to rotate through the synchronous belt (2) under the action of friction transmission, and then drives the scraping component through the transmission action of the bevel gear set (35) and the bevel gear set (37), thereby achieving the cleaning of the attachments on the inner wall of the connecting pipe (33); When the output distance of the lifting motor (51) is 1 / 2 of its maximum distance, the clamping block (481) and the clamping slot (492) are connected as a whole via magnet 1. At this time, the fixed sleeve (48) and the synchronous shaft 3 (49) rotate synchronously with the rotation of the gear 2 (47). As the synchronous shaft 3 (49) rotates, the synchronous wheel 3 (491) rotates synchronously therewith, and drives the synchronous wheel 2 (444) to rotate under the action of the synchronous belt 1, thereby driving the synchronous shaft 2 (443) and controlling the lifting and lowering adjustment of the adjustment seat (44), thereby achieving the adjustment of the dust removal height.

8. A dust removal device according to claim 7, characterized in that: A limit assembly (6) is also provided on one side below the gear one (46). The limit assembly (6) comprises a top plate (61), a piston sleeve (611) and a fixing column (62). The fixing column (62) is mounted on the inner bottom wall of the body (2). The piston sleeve (611) slides on the vertical outer wall of the fixing column (62) and a spring three is sleeved therebetween. The top plate (61) is mounted on the top of the piston sleeve (611). A magnet two is also embedded on the top plate (61) at a position close to the side where the gear one (46) is located. When the gear one (46) and the top plate (61) are in contact, they can be connected as one through suction.

9. A dust removal method for dust removal equipment according to claim 8, characterized in that: The following steps are involved: S1. First, connect the dust removal fan, dust collection bag and connecting pipe (33), then push the movable frame (1) to the working environment where dust removal is required, stop the brake, start the dust collection fan, so that the external dust is sucked from the cover (31) under the action of negative pressure suction, and finally sent to the dust collection bag for collection; S2. Next, when the dust suction angle needs to be adjusted, the lifting motor (51) is reset to the position with the shortest output distance, so that the gear four (54) is meshed with the gear one (46) at this time, and then the rotation angle of the entire machine body (2) is controlled by controlling the rotation of the gear three (53), thereby realizing the control and adjustment of the dust suction angle. When the dust suction height needs to be adjusted, the lifting motor (51) is adjusted to 1 / 2 of the position with the farthest output distance, so that the clamping block (481) and the clamping slot (492) are connected as a whole through the suction force of the magnet one, so that the synchronous wheel three (491) at this time is driven by the gear two (47) to synchronously drive the synchronous wheel two (444) to rotate, thereby driving The output of the second synchronous shaft (443) is driven by the threaded transmission to adjust the height position of the lifting seat (34), and then the up and down swing angle of the adjusting arm (43) is controlled by the linkage handle (442), thereby realizing the control and adjustment of the dust collection height. When it is necessary to clean the attachments on the inner wall of the connecting pipe (33), the lifting motor (51) is adjusted to the position with the farthest output distance, so that the boss (543) is connected to the transmission member (56) at this time, and then the output of the synchronous wheel (36) is driven by the friction transmission, and then the scraping component is driven by the transmission effect of the bevel gear set (35) and the bevel gear set (37), thereby realizing the cleaning of the attachments; S3. Then, when the dust removal is completed or the dust bag is full, pause and replace the dust bag. After everything is completed, reset the device.

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