CN110644405B - Dust-absorbing cleaning vehicle - Google Patents
Dust-absorbing cleaning vehicle Download PDFInfo
- Publication number
- CN110644405B CN110644405B CN201910867266.9A CN201910867266A CN110644405B CN 110644405 B CN110644405 B CN 110644405B CN 201910867266 A CN201910867266 A CN 201910867266A CN 110644405 B CN110644405 B CN 110644405B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention relates to a dust-absorbing sweeper, which comprises a chassis, a vehicle body and a vehicle head, wherein the vehicle body and the vehicle head are connected to the chassis, traveling wheels are connected to the lower portion of the chassis, a transmission mechanism for driving the traveling wheels to work is arranged in the chassis, a dust absorbing mechanism and a sweeping mechanism are also arranged on the chassis, a dust collecting box communicated with the dust absorbing mechanism is arranged on the vehicle body, a driving device for driving the transmission mechanism, the sweeping mechanism and the dust absorbing mechanism is arranged in the vehicle body, the sweeping mechanism comprises two disc brooms close to the vehicle head, the dust absorbing mechanism is arranged between the two disc brooms, and a back blowing device for generating reverse high-speed airflow is further arranged in the vehicle body.
Description
Technical Field
The invention relates to the technical field of environmental sanitation facilities, in particular to a dust collection sweeper.
Background
At present, most road surface dust-absorbing cleaning vehicles use vacuum formed by rotation of a vacuum pump or a fan to absorb dust, fine dust is accumulated on a filter, and the reduction of the filtering efficiency can be caused after a long time, so that a road surface floor washing machine is generally provided with a dust vibrating device on the filter for vibrating dust removal.
At present, the dust vibration device of a road surface dust absorption sweeper mostly adopts a one-way motion dust vibration mode, and is specifically represented by a chain containing a scraping piece, which is driven by a circulating motor.
However, the doctor blade of such a one-way contact filter structure has a poor dust removal effect, and the one-way vibration mode still causes the deviation and accumulation of dust, which reduces the service life of the filter, and finally causes the dust removal effect of the dust-collecting sweeper to be reduced, and the dust removal effect is poor.
Disclosure of Invention
The invention aims to provide a dust-absorbing sweeper with better dust-removing effect.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a dust absorption motor sweeper, includes the chassis and connects automobile body and the locomotive on the chassis, the chassis below is connected with the walking wheel, be equipped with the drive mechanism who drives walking wheel work in the chassis, still be equipped with dust absorption mechanism and clean the mechanism on the chassis, be equipped with a dust collection box with dust absorption mechanism intercommunication on the automobile body, be equipped with one in the automobile body and be used for carrying out driven drive arrangement to drive mechanism, clean mechanism and dust absorption mechanism, it includes two disc brooms that are close to the locomotive to clean the mechanism, dust absorption mechanism is located between two disc brooms, still include a back blowing device who produces reverse high velocity air flow in the automobile body.
Through adopting above-mentioned technical scheme, make dust absorption motor sweeper continuously carry out the dust absorption operation after, the dust in the dust absorption mechanism has piled up, has seriously influenced dust absorption filter effect of dust absorption mechanism, and the back blowing device produces fast-speed air current and cleans the dust in the dust absorption mechanism, makes the dust be difficult for piling up the condensation.
Preferably, the dust suction mechanism comprises a negative pressure fan and a dust suction pipe, the dust collection box is positioned at the lower end of the vehicle body, a back blowing chamber is arranged above the dust collection box, the back blowing device is positioned in the back blowing chamber, and the negative pressure fan comprises an air inlet and an air outlet; an air guide opening is formed between the back blowing air chamber and the dust collection box, a cylindrical dust removal filter cylinder rolled by a filter screen is arranged in the dust collection box, the center of the dust removal filter cylinder is hollow, one end of the dust removal filter cylinder is sealed, the unsealed end of the dust removal filter cylinder is communicated with the air guide opening, the air inlet of the negative pressure fan is communicated with the back blowing air chamber, the air outlet is communicated outside the machine body, and the dust collection pipe is communicated with the dust collection box; the back blowing device comprises a conical blowing pipe, the conical blowing pipe is placed above the air guide opening in a suspended mode, and the smaller end of the conical blowing pipe faces the air guide opening.
By adopting the technical scheme, the negative pressure fan starts to work, so that the air pressure of the back blowing air chamber and the dust collection box is reduced, air enters the dust collection box along the dust collection pipe, dust is blocked to the dust collection box through the dust collection filter cylinder, and clean air enters the back blowing air chamber along the air guide opening and is discharged through the air outlet; when the dust accumulation amount on the outer wall of the dust removal filter cylinder is large, workers control the negative pressure fan to work reversely, air flows reversely, a large amount of reverse air passes through the air guide opening at high speed under the guiding action of the conical blowing pipe, and the air flowing at high speed blows off the dust attached to the outer wall of the dust removal filter cylinder and falls on the bottom of the dust collection box; and later-period cleaning is convenient, and during the cleaning process of the inside of the dust collection sweeper by workers, the negative pressure fan rotates reversely, so that the reverse airflow drives dust in the sweeper body to fall to the bottom of the dust collection box, and cleaning is convenient.
Preferably, the dust removal filter cylinder comprises a filter cylinder main body and a sealing end for sealing the center of the dust removal filter cylinder, the sealing end comprises a sealing cover abutting against one end face of the filter cylinder main body, and the sealing cover is hinged to the filter cylinder main body through a torsion spring.
By adopting the technical scheme, in the normal working process of the negative pressure fan, the sealing cover is abutted with the filter cartridge main body, the end face of one abutted end of the filter cartridge main body and the sealing cover limits the sealing cover, the sealing cover always abuts against the filter cartridge main body under the action of the torsion spring, when the back blowing air chamber is in a negative pressure state, the sealing cover is not easy to open so that dust enters the back blowing air chamber from the center of the filter cartridge main body, when the negative pressure fan works reversely, high-speed airflow enters the dust removal filter cartridge along the air guide opening to blow off the dust attached to the outer wall of the filter cartridge main body, the sealing cover is blown by the high-speed airflow to rotate by the torsion spring, the leakage gap is opened by the sealing cover, and part of the dust passing through the dust removal filter cartridge and entering the back blowing air chamber is driven by; when the negative pressure fan stops working, the sealing cover resets under the action of the torsion spring and covers one end of the filter cylinder main body again.
Preferably, the dust removal filter cylinder is conical and the diameter of the end, which is in contact with the sealing cover, is smaller.
By adopting the technical scheme, when the pressure drop of the back blowing air chamber is small, the air drives the dust to enter the back blowing air chamber along the air guide port, the dust is blocked on the outer wall by the dust-removing filter cylinder, the air flow rate close to the smaller end of the dust-removing filter cylinder is high, the blocked amount of the dust is large, and the dust can be conveniently accumulated and fall off by the dust-removing filter cylinder arranged in a conical shape; when the negative pressure fan works reversely, the dust removal filter cylinder arranged in a conical shape enables the pressure intensity of high-speed airflow at the smaller end of the dust removal filter cylinder to be larger, the high-speed airflow can push the sealing cover hinged at the position to open a gap, and the dust removal filter cylinder can blow out part of dust entering a back blowing chamber conveniently and is convenient to clean; and the conical dust-removing filter cylinder has the advantages that under the action of reverse blowing of high-speed airflow, the airflow speed at the smaller end close to the dust-removing filter cylinder is higher, but due to the filtering action of the dust-removing filter cylinder, the air is gradually leaked out along the inner wall of the dust-removing filter cylinder, the pressure of the air farther away from the air guide opening is lower, the pressure deviation of the air at each part in the dust-removing filter cylinder is smaller due to the arrangement of the conical dust-removing filter cylinder, dust attached to the outer wall of the dust-removing filter cylinder is easier to blow off, and the dust-removing.
Preferably, the chassis is provided with a blowing structure, the blowing structure is located at one end, back to the vehicle head, of each disc broom, the blowing structure comprises an air guide pipe and a communicating pipe, the air guide pipe is arranged on the lower surface of the chassis and distributed in a V shape, the communicating pipe is communicated with the air outlet, the end, back to the air guide pipe, of the communicating pipe is communicated with the air outlet, a V-shaped opening of the air guide pipe faces the disc brooms, the center lines of the air guide pipes are located on the center lines of the two disc brooms, one sides, back to the chassis, of the air guide pipes are provided with rectangular air exhaust nozzles, and the air exhaust nozzles.
Through adopting above-mentioned technical scheme, because the disc broom has the raise dust at the in-process of cleaning ground, and the disc broom one end of locomotive back to can not cleaning, raise dust and partial rubbish can't be collected, the air after the filtration is discharged through the exhaust nozzle, form an air wall in the below on chassis and the direction of locomotive back to, it overflows to the chassis both sides to block raise dust and partial rubbish, and blow raise dust and rubbish to disc broom department through the exhaust nozzle, the disc broom further cleans raise dust and rubbish with peripheral dust absorption mechanism with it, the dust removal effect is better.
Preferably, the back blowing device comprises an air bag, an electromagnetic pulse valve and an airflow blowing pipe which is connected with the air bag and is controlled by the electromagnetic pulse valve, and the airflow blowing pipe is arranged towards the air guide opening.
By adopting the technical scheme, when workers need to clean the dust removal filter cylinders, the workers control the electromagnetic pulse valve to control the injection pipe to inject high-speed flowing gas to clean the dust removal filter cylinders, the flow rate of the gas flow injected by the injection pipe is high, and the cleaning effect is good.
Preferably, the walking wheel is an antistatic guide wheel.
Through adopting above-mentioned technical scheme, because the dust enters the dust-collecting box after mixing with the air in, the quick contact and the separation of various components in dust and the automobile body have led to the transfer of static, make dust and dust absorption motor sweeper all have static, the dust on the section of thick bamboo of straining that removes dust simultaneously is peeled off down fast after, a large amount of static that this dust has influences the use of dust absorption motor sweeper, antistatic guide pulley can in time shift the static in the dust absorption motor sweeper, reduces the accumulation of the static on the dust absorption motor sweeper.
Preferably, a detachable dust hopper is arranged at the bottom of the dust collection box, a filtering blocking plate is arranged between the dust hopper and the dust collection box, a dust guide opening is formed in the blocking plate, the dust collection pipe is connected with the dust guide opening and guides dust into the dust hopper, and the filtering diameter of the blocking plate is larger than the filtering diameter of the dust removal filter cylinder.
Through adopting above-mentioned technical scheme, because dust absorption mechanism is collecting the in-process mechanism of dust, often can get up big graininess rubbish collection, through the filtration of baffler, carries out one step earlier with big graininess rubbish and filters, reduces the operating pressure that the section of thick bamboo was strained in the dust removal, reduces the piling up of the dust of straining on the outer wall of a section of thick bamboo in the dust removal, improves dust collection efficiency.
In conclusion, the beneficial technical effects of the invention are as follows:
after the dust collection sweeper continuously performs dust collection operation, dust in the dust collection mechanism is accumulated, the dust collection and filtration effects of the dust collection mechanism are seriously influenced, and the back blowing device generates high-speed airflow to clean the dust in the dust collection mechanism, so that the dust is not easy to accumulate and condense; and later-period cleaning is convenient, and during the cleaning process of the inside of the dust collection sweeper by workers, the negative pressure fan rotates reversely, so that the reverse airflow drives dust in the sweeper body to fall to the bottom of the dust collection box, and cleaning is convenient.
Drawings
Fig. 1 is a schematic view of the entire structure of embodiment 1.
Fig. 2 is a schematic structural view showing the internal structure of the vehicle body in embodiment 1.
Fig. 3 is a schematic structural view for illustrating the internal structure of the vehicle body in embodiment 2.
In the figure, 1, a chassis; 2. a headstock; 3. a vehicle body; 4. a traveling wheel; 5. a dust suction mechanism; 6. a cleaning mechanism; 7. a dust collection box; 8. a back blowing device; 51. a negative pressure fan; 52. a dust collection pipe; 31. a back blowing air chamber; 32. a wind guide opening; 71. a dust removal filter cartridge; 712. a cartridge body; 713. sealing cover; 81. a conical blowing pipe; 84. a support plate; 9. a blowing structure; 91. an air guide pipe; 92. a communicating pipe; 93. an exhaust nozzle; 82. air bags; 83. an airflow blowing pipe; 714. an ash hopper; 715. a barrier plate; 716. a dust guide port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the dust-absorbing sweeper disclosed by the invention comprises a chassis 1, a vehicle head 2 and a vehicle body 3 which are arranged on the chassis 1, wherein a traveling wheel 4 and a transmission mechanism for driving the traveling wheel 4 to work are arranged below the chassis 1, the transmission mechanism is not shown in the drawing, and the traveling wheel 4 is an antistatic guide wheel.
As shown in fig. 2, the vehicle body 3 is provided with a blowback air chamber 31, a dust collection box 7 and a detachable dust hopper 714 from bottom to top in sequence, a blocking plate 715 is arranged between the dust collection box 7 and the dust hopper 714, the blocking plate 715 is fixed on the dust collection box 7, a dust guide opening 716 is formed in the dust collection plate, a driving cavity is arranged at one end of the vehicle body 3 close to the vehicle head 2, a driving device for driving each mechanism to work is placed in the driving cavity, and the driving device is not shown in the figure.
The chassis 1 is provided with a dust collection mechanism 5 and a sweeping mechanism 6, the sweeping mechanism 6 comprises two disc brooms, the disc brooms are close to the direction of the vehicle head 2 and positioned below the chassis 1, and the driving device drives the disc brooms to work; the dust collection mechanism 5 comprises a negative pressure fan 51 and a dust collection pipe 52, the negative pressure fan 51 comprises an air inlet and an air outlet, one end of the dust collection pipe 52 is positioned at the periphery of the two disk brooms and used for collecting the raised dust brought up by the disk brooms, and the other end of the dust collection pipe extends into the dust collection box 7 and is connected with the dust guide port 716; the driving device comprises an asynchronous motor controlled by a PLC, an alternating current power supply is used in the embodiment, the asynchronous motor rotates forward and backward under the control of the PLC, the negative pressure fan 51 is driven to rotate forward and backward, and the actions of air draft and air inlet are realized by the forward and backward rotation of the negative pressure fan 51.
An air inlet of the negative pressure fan 51 is communicated with the blowback air chamber 31 through a guide pipe, a cylindrical dust removal filter cylinder 71 rolled by a filter screen is arranged in the dust collection box 7, the center of the dust removal filter cylinder 71 is hollow, one end of the dust removal filter cylinder 71 is sealed, the dust removal filter cylinder 71 comprises a filter cylinder main body 712 and a sealing end used for sealing the center of the dust removal filter cylinder 71, the unsealed end of the filter cylinder main body 712 is communicated with the air guide opening 32, the sealing end comprises a sealing cover 713 abutted to the end face of the filter cylinder main body 712, and the sealing cover 713 is hinged to the filter cylinder main body 712 through; the dust removal filter cylinder 71 is conical and has a smaller diameter at one end in contact with the sealing cover 713; the filter diameter of the barrier plate 715 is larger than the filter diameter of the dust removal filter cartridge 71.
A back blowing device 8 is arranged in the back blowing air chamber 31, the back blowing device 8 comprises a conical blowing pipe 81 and a supporting plate 84 for supporting the conical blowing pipe 81, the supporting plate 84 is positioned below the communication position of the air inlet of the negative pressure fan 51 and the back blowing air chamber 31, the conical blowing pipe 81 is suspended above the air guide opening 32, the smaller end of the conical blowing pipe 81 faces the air guide opening 32, and the bottom of the conical blowing pipe 81 is opened.
As shown in fig. 2, a blowing structure 9 is arranged on the chassis 1, the blowing structure 9 is located at one end of the disc broom facing away from the vehicle head 2, the blowing structure 9 includes a wind guide pipe 91 which is arranged on the lower surface of the chassis 1 and distributed in a V shape and a communicating pipe 92 communicating with the wind guide pipe 91, one end of the communicating pipe 92 facing away from the wind guide pipe 91 is communicated with the air outlet, the V-shaped opening of the wind guide pipe 91 faces towards the disc broom, the center line of the wind guide pipe 91 is located on the center line of the two disc brooms, one side of the wind guide pipe 91 facing away from the chassis 1 is provided with a rectangular air exhaust nozzle 93, the air exhaust nozzle 93 inclines towards the center line of the wind guide pipe 91, as the disc broom has raised dust in the process of sweeping the ground, and one end of the disc broom facing away from the vehicle head 2 is not being swept, the raised dust and part of the garbage cannot be collected, the filtered air is discharged through the air, blocking raised dust and partial garbage from overflowing to the two sides of the chassis 1, blowing the raised dust and the garbage to the disc broom through the air exhaust nozzle 93, and further cleaning the raised dust and the garbage by the disc broom and the dust absorption mechanism 5 at the periphery of the disc broom.
The implementation principle of the embodiment is as follows:
the working personnel starts the embodiment to carry out dust collection and cleaning work, the driving device enables the transmission mechanism to drive the traveling wheels 4 to start working, the embodiment moves forwards, in the moving process, the driving device drives the cleaning mechanism 6 to start working, the disc broom is abutted against the ground to start cleaning work, the negative pressure fan 51 starts working, the pressure intensity of the back blowing air chamber 31 is reduced, the back blowing air chamber 31 is in a negative pressure state, the sealing end is always abutted against the filter cartridge main body 712 under the action of a torsion spring, the air obtained in the dust collection box 7 enters the back blowing air chamber 31 through the gap on the dust collection filter cartridge 71, the air pressure intensity of the back blowing air chamber 31 and the dust collection box 7 is always in a trend of tending to reduce, the air enters the dust hopper 714 at the bottom of the dust collection box 7 along the dust collection pipe 52, the large granular garbage is filtered by the baffle plate 715, the working pressure of the dust collection filter cartridge 71 is reduced, and the dust is, clean air enters the reverse blowing air chamber 31 along the air guide opening 32 and is discharged to the blowing structure 9 through the air outlet, the filtered air is discharged through the air exhaust nozzle 93, an air wall is formed below the chassis 1 and in the direction back to the vehicle head 2, raised dust and partial garbage are prevented from overflowing to the two sides of the chassis 1, the raised dust and the garbage are blown to the disc broom through the air exhaust nozzle 93, and the disc broom and the dust collection mechanism 5 on the periphery of the disc broom further clean the raised dust and the garbage; the dust suction pipe 52 sucks the dust and a part of the garbage into the dust hopper 714 due to the negative pressure state of the dust box 7 and the dust hopper 714, and performs a circulation operation, thereby performing the dust suction and cleaning operation of the present embodiment.
When an operator needs to clean the interior of the dust-removing sweeper or after the dust-removing sweeper is used for a period of time, dust accumulated on the outer wall of the dust-removing filter cylinder 71 is cleaned, the operator controls the asynchronous motor to rotate reversely to drive the negative pressure fan 51 to work reversely, high-speed airflow enters the dust-removing filter cylinder 71 along the air guide opening 32 to blow off the dust attached to the outer wall of the filter cylinder main body 712, the sealing end is blown by the high-speed airflow to rotate by a torsion spring, a leakage gap is opened at the sealing end, and part of the dust passing through the dust-removing filter cylinder 71 and entering the reverse blowing chamber 31 is driven by the high-speed airflow and is discharged from a; when the negative pressure fan 51 stops working, the sealing end is reset under the action of the torsion spring and covers one end of the filter cartridge main body 712 again, and dust attached to the outer wall of the dust removal filter cartridge 71 falls on the blocking plate 715 on the dust hopper 714 and falls into the dust hopper 714 through the gap on the blocking plate 715.
Example 2
As can be seen from fig. 1 and 3, compared with embodiment 1, the blowback device 8 of the present embodiment includes an air bag 82, an electromagnetic pulse valve, and an air flow blowing pipe 83 connected to the air bag 82 and controlled by the electromagnetic pulse valve, wherein the air flow blowing pipe 83 is disposed toward the air guiding opening 32, and the electromagnetic pulse valve is not shown in the drawing.
The implementation principle of the embodiment is as follows: .
Compared with the embodiment 1, when an operator needs to clean the interior of the dust-collecting sweeper or after the dust-collecting sweeper is used for a period of time, dust accumulated on the outer wall of the dust-collecting filter cylinder 71 is cleaned, the operator controls the air flow injection pipe 83 to inject high-speed flowing gas, the dust-collecting filter cylinder 71 is cleaned, the air flow speed injected by the air flow injection pipe 83 is high, dust attached to the outer wall of the dust-collecting filter cylinder 71 is blown off by high-speed air flow passing through a gap on the dust-collecting filter cylinder 71 at high speed, the sealing end is blown by the high-speed air flow to rotate by a torsion spring, the leakage gap is opened by the sealing end, and part of dust passing through the dust-collecting filter cylinder 71 and entering the back blowing chamber 31 is driven by the high-speed air; when the airflow blowing pipe 83 stops working, the sealing lid 713 is reset by the torsion spring and covers one end of the filter cartridge main body 712 again, and dust attached to the outer wall of the dust removing filter cartridge 71 falls on the blocking plate 715 on the dust hopper 714 and falls into the dust hopper 714 through the gap on the blocking plate 715.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a dust absorption motor sweeper, includes chassis (1) and connects automobile body (3) and locomotive (2) on chassis (1), chassis (1) below is connected with walking wheel (4), be equipped with the drive mechanism who drives walking wheel (4) work in chassis (1), still be equipped with dust absorption mechanism (5) and clean mechanism (6) on chassis (1), be equipped with one on automobile body (3) and dust collection box (7) with dust absorption mechanism (5) intercommunication, be equipped with one in automobile body (3) and be used for carrying out driven drive arrangement, its characterized in that to drive mechanism, clean mechanism (6) and dust absorption mechanism (5): the sweeping mechanism (6) comprises two disc brooms close to the vehicle head (2), the dust collection mechanism (5) is positioned between the two disc brooms, and the vehicle body (3) also comprises a reverse blowing device (8) for generating reverse high-speed airflow; the dust collection mechanism (5) comprises a negative pressure fan (51) and a dust collection pipe (52), the dust collection box (7) is positioned at the lower end of the vehicle body (3), a back blowing air chamber (31) is arranged above the dust collection box (7), the back blowing device (8) is positioned in the back blowing air chamber (31), and the negative pressure fan (51) comprises an air inlet and an air outlet; an air guide opening (32) is formed between the back blowing air chamber (31) and the dust collection box (7), a cylindrical dust removal filter cylinder (71) which is rolled by a filter screen is arranged in the dust collection box (7), the center of the dust removal filter cylinder (71) is hollow, one end of the dust removal filter cylinder is sealed, the unsealed end of the dust removal filter cylinder (71) is communicated with the air guide opening (32), the air inlet of the negative pressure fan (51) is communicated with the back blowing air chamber (31), the air outlet of the negative pressure fan is communicated with the outside of the machine body, and the dust suction pipe (52) is communicated with the dust collection box (7); the reverse blowing device (8) comprises a conical blowing pipe (81), the conical blowing pipe (81) is placed above the air guide port (32) in a suspended mode, and the smaller end of the conical blowing pipe (81) faces the air guide port (32); the dust removal filter cylinder (71) comprises a filter cylinder main body (712) and a sealing end used for sealing the center of the dust removal filter cylinder (71), the sealing end comprises a sealing cover (713) abutted to one end face of the filter cylinder main body (712), and the sealing cover (713) is hinged to the filter cylinder main body (712) through a torsion spring.
2. The vacuum sweeper as claimed in claim 1, wherein: the dust removal filter cylinder (71) is conical and the diameter of one end, which is in contact with the sealing cover (713), is smaller.
3. The vacuum sweeper as claimed in claim 1, wherein: the novel air blowing device is characterized in that a blowing structure (9) is arranged on the chassis (1), the blowing structure (9) is located at one end, back to the vehicle head (2), of each disc broom, each blowing structure (9) comprises an air guide pipe (91) which is arranged on the lower surface of the chassis (1) and distributed in a V shape and a communicating pipe (92) communicated with the air guide pipe (91), one end, back to the air guide pipe (91), of each communicating pipe (92) is communicated with an air outlet, the V-shaped opening of the air guide pipe (91) faces the disc broom, the center line of each air guide pipe (91) is located on the center line of the two disc brooms, one side, back to the chassis (1), of each air guide pipe (91) is provided with an air exhaust nozzle (93) which is rectangular, and the air exhaust nozzles (93) are inclined.
4. The vacuum sweeper as claimed in claim 1, wherein: the back blowing device (8) comprises an air bag (82), an electromagnetic pulse valve and an air flow blowing pipe (83) which is connected with the air bag (82) and is controlled by the electromagnetic pulse valve, and the air flow blowing pipe (83) faces the air guide opening (32).
5. The vacuum sweeper as claimed in claim 1, wherein: the walking wheels (4) are antistatic guide wheels.
6. The vacuum sweeper as claimed in claim 1, wherein: the dust collection box is characterized in that a detachable dust hopper (714) is arranged at the bottom of the dust collection box (7), a filtering blocking plate (715) is arranged between the dust hopper (714) and the dust collection box (7), a dust guide opening (716) is formed in the blocking plate (715), the dust collection pipe (52) is connected with the dust guide opening (716) and guides dust into the dust hopper (714), and the filtering diameter of the blocking plate (715) is larger than the filtering diameter of the dust collection filter cylinder (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867266.9A CN110644405B (en) | 2019-09-12 | 2019-09-12 | Dust-absorbing cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867266.9A CN110644405B (en) | 2019-09-12 | 2019-09-12 | Dust-absorbing cleaning vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110644405A CN110644405A (en) | 2020-01-03 |
| CN110644405B true CN110644405B (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910867266.9A Active CN110644405B (en) | 2019-09-12 | 2019-09-12 | Dust-absorbing cleaning vehicle |
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| CN (1) | CN110644405B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111254860B (en) * | 2020-02-16 | 2021-11-23 | 李冬杰 | Dedicated road sweeper of municipal administration environmental engineering |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110644405A (en) | 2020-01-03 |
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