CN111501639A - Filtering vibration dust collector of electronic dust removal subtracts haze cleaning cart - Google Patents
Filtering vibration dust collector of electronic dust removal subtracts haze cleaning cart Download PDFInfo
- Publication number
- CN111501639A CN111501639A CN202010447393.6A CN202010447393A CN111501639A CN 111501639 A CN111501639 A CN 111501639A CN 202010447393 A CN202010447393 A CN 202010447393A CN 111501639 A CN111501639 A CN 111501639A
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- Prior art keywords
- dust
- diversion
- filtering
- bin
- frame
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Classifications
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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
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
Abstract
A filtering vibration dust removal device of an electric dust and haze removal cleaning vehicle comprises a mounting frame, wherein a filtering cloth bag is arranged on the mounting frame, a flow guide bin is arranged on the mounting frame, flow guide frames are respectively arranged at the lower ends of two sides of the flow guide bin, the two filtering cloth bags are respectively supported on the corresponding flow guide frames through cloth bag supports, and an air inlet is formed in the upper end of the rear surface of the flow guide bin and is used for being connected with an air outlet of a dust collection fan; a plurality of feed inlets communicated with the diversion bin are arranged on the inner side of the diversion frame; the two sides of the mounting rack are positioned below the diversion frame and are respectively provided with a dust collection box through a slideway, and the dust collection boxes are hermetically communicated with the filtering cloth bags above the dust collection boxes; a vibrating device is connected between the upper ends of the cloth bag brackets at both sides of the diversion bin. The beneficial effects are that: the filter cloth bag absorbs uniformly, and the service life is prolonged; the installation and maintenance are convenient; can avoid filter cloth bag long-time use to be blockked up by dust and reduce the filter effect, filter dust removal effect is good, effectively reduces PM2.5 and PM10 concentration in the air.
Description
Technical Field
The invention relates to an electric dust removal cleaning vehicle, in particular to a filtering vibration dust removal device of the electric dust removal haze reduction cleaning vehicle.
Background
The sweeper industry in China has been developed for decades, products are developed from a single pure sweeping type to various types at present, and the product performance and the product quality are rapidly improved. With the development and progress of the society, the dust collection vehicle can not be met in a simple sense any more, more requirements can be provided from the aspects of multifunction, environmental protection, economy and the like, and the market calls the cleaning vehicle capable of meeting various requirements.
With the improvement of the requirements of people on living environment, the regional and gridding cleaning mode and concept and the degree of really purifying fine and coarse atmospheric particles such as PM2.5 and PM10 also become the key points of attention, and in recent two years, under the background that the advantages of cheap labor force of China gradually disappear and the labor cost is greatly increased, the factors such as 'much labor waste' and 'high cost' in the industry are interwoven and superposed together, so the operating cost of a labor management enterprise is increased. And the oversize vehicle is in the continuous evolution in-process, withdraws from historical stage gradually, and research and development personnel are constantly pursuing miniaturized, multi-functional, portable and can really accomplish the vehicle that air-purifying, dust removal reduce the haze.
Chinese patent publication No. CN106731293A discloses a self-suction type cleaning vehicle filter bag vibration dust-removing device, which comprises a filter bag and a plurality of metal net racks; two sides of the filtering cloth bag are respectively provided with a cloth bag bracket which is connected with each other; a vibration connecting plate is arranged on one side of the filter cloth bag, and one sides of the plurality of metal net racks are respectively hinged on the vibration connecting plate; the middle part of the cloth bag bracket corresponding to one side of the vibration connecting plate is provided with a reciprocating mechanism connected with the vibration connecting plate and used for driving the vibration connecting plate to reciprocate so as to drive the metal net rack and the filtering cloth bag to reciprocate.
Such a dust removing device has the following problems:
1. the garbage and dust are sucked into the garbage can through the work of the negative pressure fan arranged above the middle part of the garbage can mounting frame, the dust is discharged into the filter cloth bag through the negative pressure fan after being filtered by the screen of the upper opening of the garbage can, the working noise is high, the filter cloth bag bears the air pressure discharged by the negative pressure fan, and the service life is short.
2. Because the vibration connecting plate connected with the reciprocating mechanism is arranged on one side of the filter cloth bag, one sides of the plurality of metal net racks are respectively hinged on the vibration connecting plate; therefore, the filter cloth bag can generate deflection vibration during vibration, namely, the cloth bag close to one side of the vibration connecting plate can vibrate sufficiently, the cloth bag far away from one side of the vibration connecting plate can vibrate slightly, so that dust adsorbed on the inner wall of the filter cloth bag is difficult to clean automatically, and the filter cloth bag can lose the filtering function after a long time.
3. The negative-pressure air fan is arranged above the middle of the garbage can mounting frame and wrapped in the filter cloth bag, the bottom of the filter cloth bag is provided with a dust inlet and four sedimentation ports, and a motor containing cavity is reserved on the inner side of the motor seat plate on the filter cloth bag, so that the filter cloth bag is complex in structure and inconvenient to mount.
Disclosure of Invention
The invention aims to solve the technical problem of providing a filtering vibration dust removal device of an electric dust removal and haze reduction cleaning vehicle, which has low working noise, long service life and good dust removal effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electronic dust removal subtracts filtering vibration dust collector of haze cleaning cart, includes the mounting bracket, is equipped with the filtration sack on the mounting bracket, and its special character is: the mounting frame is provided with a flow guide bin, the lower ends of two sides of the flow guide bin are respectively provided with a flow guide frame, the two filter cloth bags are respectively supported on the corresponding flow guide frames through cloth bag supports, and the upper end of the back of the flow guide bin is provided with an air inlet for connecting an air outlet of a dust collection fan; a plurality of feed inlets communicated with the diversion bin are arranged on the inner side of the diversion frame and are used for guiding dust discharged into the diversion bin into the filter cloth bags on the two sides;
the dust collecting boxes are respectively arranged on the two sides of the mounting rack below the guide frame through slideways and are communicated with the filtering cloth bags above the dust collecting boxes in a sealing way for collecting dust filtered by the filtering cloth bags;
the vibrating device is connected between the upper ends of the cloth bag supports at the two sides of the diversion bin and is used for driving the two filter cloth bags to vibrate simultaneously, so that dust attached to the filter cloth bags falls into the dust collection box.
Preferably, the diversion bin is a hollow cavity structure formed by welding iron plates, the length of the diversion bin is equivalent to that of the filtering cloth bag, and the height of the diversion bin is slightly smaller than the sum of the heights of the filtering cloth bag and the diversion frame.
Preferably, a rectangular groove is formed in the middle of the rear face of the diversion bin and used for mounting a motor of the dust collection fan.
Preferably, the diversion frame is inserted into the mounting frame through transverse slideways arranged on two sides of the mounting frame, and two locking bolts are symmetrically connected between the outer side of the diversion frame and the mounting frame and used for pressing the feed port of the diversion frame on the diversion bin.
Preferably, the lower ports of the filter cloth bags are respectively sleeved at the upper ends of the corresponding guide frames and are tightly pressed through the battens, so that the lower ports of the filter cloth bags are communicated with the guide frames.
Preferably, the vibration device comprises a rectangular frame, two ends of the rectangular frame are respectively connected with the upper connecting plates of the cloth bag supports on two sides, a driving motor is arranged in the middle of the rectangular frame, and a cam is arranged on an output shaft of the driving motor.
Preferably, the front end and the rear end of the upper surface of the diversion bin are respectively fixed with a horizontally arranged limiting column through a support, the middle parts of two frames at the two ends of the rectangular frame are respectively provided with a waist-shaped hole corresponding to the limiting column, the waist-shaped holes are transversely arranged and are respectively sleeved on the corresponding limiting columns through clearance fit, and the waist-shaped holes are used for limiting the transverse reciprocating vibration of the cloth bag support and the filtering cloth bag.
Preferably, a rotatable wind wheel is mounted at the upper part in the diversion bin corresponding to the center of the air inlet, one end of a wheel shaft of the wind wheel penetrates out of the front of the diversion bin and is connected with a rotating shaft of a generator arranged on the diversion bin, and the generator is electrically connected with a storage battery of the electric dust removal and haze reduction cleaning vehicle and used for converting wind energy generated by the dust collection fan into electric energy and prolonging the operation time and the driving range.
Preferably, the wind wheel is a ducted fan propeller.
The invention has the beneficial effects that:
1. the inner cavity of the diversion bin arranged on the mounting frame can effectively reduce the noise generated during the operation of the dust collection fan, and dust sucked during the operation of the dust collection fan is uniformly discharged into the filter cloth bags at two sides through the diversion bin, so that the two filter cloth bags are uniformly absorbed, and the service life is prolonged; meanwhile, the two filter cloth bags are supported on the corresponding guide frames at the two sides of the guide bin through the cloth bag supports, so that the mounting structure of the filter cloth bags can be simplified, and the installation and the maintenance are convenient.
2. Because be connected with vibrating device between the sack support upper end at the water conservancy diversion storehouse both sides, consequently can drive two filter sacks and fully vibrate fast simultaneously, make the dust that attaches to in the filter sack fall into the dust collection box of below fast in, can avoid filter sack to use for a long time and blockked up by dust and reduce the filter effect, filter dust removal effect is good, can effectively reduce PM2.5 and PM10 concentration in the air.
3. Because the rotatable wind wheel is arranged at the upper part in the diversion bin corresponding to the center of the air inlet, one end of a wheel shaft of the wind wheel penetrates out of the front of the diversion bin and is connected with a rotating shaft of a generator arranged on the diversion bin, the generator is electrically connected with a storage battery of the vehicle, the wind wheel is driven to rotate by air flow sucked by the dust collection fan, wind energy generated by the dust collection fan can be converted into electric energy and charges the storage battery, and the operation time and the driving range can be prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 1.
Fig. 4 is a perspective view of fig. 1.
Fig. 5 is a schematic view of the installation of the present invention.
Fig. 6 is a schematic perspective view of a filter cloth bag.
In the figure: the device comprises a mounting frame 1, a sealing top frame 2, a dust collection box 3, a flow guide frame 4, a feeding hole 401, a lath 5, a connecting block 6, a filtering cloth bag 7, a porous plate 8, a middle connecting plate 9, an upper connecting plate 10, a dust absorption fan 11, an electric push rod 12, a flow guide bin 13, an air inlet 131, a rectangular frame 14, a cam 15, a support 16, a limiting column 17, a driving motor 18, a generator 19, a speed reducer 20, a wheel shaft 21, a bearing seat 22, a wind wheel 23, a connecting rod 24, a suction port device 25 and a negative pressure filtering bin 26.
Detailed Description
As shown in fig. 1-4, the filtering vibration dust removing device of the electric dust removing and haze reducing cleaning vehicle comprises a mounting frame 1, wherein a flow guide bin 13 is arranged in the middle of the mounting frame 1, and two filtering cloth bags 7 and a rectangular flow guide frame 4 are symmetrically arranged on the mounting frame 1 at two sides of the flow guide bin 13. The diversion bin 13 is a hollow cavity structure formed by welding iron plates, the length of the diversion bin is equivalent to that of the filtering cloth bag 7, and the height of the diversion bin is slightly smaller than the sum of the heights of the filtering cloth bag 7 and the diversion frame 4. The middle part of the back of the diversion bin 13 is provided with a rectangular groove for installing a motor of the dust collection fan 11. The upper end of the rear of the diversion bin 13 is provided with an air inlet 131 which is used for connecting with an air outlet of the dust collection fan 11.
As shown in fig. 6, the filter bags 7 are of a multi-layer structure and are respectively supported on the corresponding diversion frame 4 through a bag support, the lower port of each filter bag 7 is sleeved on the upper end of the diversion frame 4 and is tightly pressed through the lath 5, so that the lower port of each filter bag 7 is communicated with the diversion frame 4, and a plurality of feed inlets 401 communicated with the diversion bins 13 are arranged on the inner side of the diversion frame 4 and are used for guiding dust discharged into the diversion bins 13 into the filter bags 7 on the two sides.
The cloth bag support comprises a plurality of porous plates 8 which are vertically arranged, the upper ends and the middle parts of the front side and the rear side of each porous plate 8 are respectively connected with an upper connecting plate 10 and a middle connecting plate 9, connecting rods 24 are respectively connected between the upper connecting plate 10 and the middle connecting plate 9, and the adjacent two porous plates 8 are connected through five connecting blocks 6 which are longitudinally and uniformly distributed for separating two adjacent layers of the filtering cloth bag 7. The connecting blocks 6 at the uppermost end are respectively hinged on the corresponding upper connecting plates 10, the connecting blocks 6 at the lowermost end are respectively clamped on the laths 5 positioned at the front side and the rear side of the diversion frame 4, and the laths 5 are respectively fixed on the outer sides of the corresponding diversion frame 4 through screws. The middle connecting plates 9 positioned at the front side and the rear side of the two filter cloth bags 7 are respectively connected into a whole, and the two ends of the middle connecting plates 9 are respectively hinged with the connecting blocks 6 positioned at the outermost layers of the filter cloth bags 7 so as to increase the vibration effect of the filter cloth bags 7.
A vibrating device is connected between the upper ends of the cloth bag supports at the two sides of the diversion bin 13 and is used for driving the two filter cloth bags 7 to vibrate simultaneously, so that dust attached to the filter cloth bags 7 falls into the dust collection box 3.
The vibrating device comprises a rectangular frame 14 positioned above the diversion bin 13, two ends of the rectangular frame 14 are fixedly connected with the upper connecting plates 10 of the cloth bag supports on two sides respectively, a driving motor 18 is installed in the middle of the rectangular frame 14, and a cam 15 is installed on an output shaft of the driving motor. The driving motor drives the cam 15 to rotate at a high speed, so that the cloth bag supports on the two sides of the diversion bin 13 and the filtering cloth bag 7 can be driven to vibrate in a reciprocating manner.
A horizontally arranged limiting column 17 is fixed at the front end and the rear end of the upper surface of the diversion bin 13 through a support 16 respectively, the two limiting columns 17 are arranged on the same axis, waist-shaped holes corresponding to the limiting columns are arranged in the middle of the two frames at the two ends of the rectangular frame 14 respectively, and the waist-shaped holes are arranged transversely and are sleeved on the corresponding limiting columns through clearance fit respectively for limiting the cloth bag support and the filtering cloth bag 7 from vibrating transversely in a reciprocating manner.
The dust collection boxes 3 are respectively arranged below the diversion frames 4 on two sides of the mounting frame 1 in a sliding mode through slideways, and the dust collection boxes 3 can be pulled out from two sides of the mounting frame 1 and are hermetically communicated with the filtering cloth bags 7 above after being inserted into the two sides of the mounting frame through the diversion frames 4 for collecting dust filtered by the filtering cloth bags 7. A circle of sealing rubber pad is arranged at the upper opening of the dust collection box 3 for improving the sealing performance and preventing dust from overflowing.
The lower surfaces of the two dust collecting boxes 3 on the mounting frame 1 are respectively provided with a sealing top frame 2, one corresponding side of the two sealing top frames 2 is respectively hinged on the mounting frame 1, the middle parts of the bottom surfaces of the two sealing top frames 2 are respectively connected with an electric push rod 12, and the lower end of a cylinder body of the electric push rod 12 is fixedly hinged on a frame of the cleaning vehicle and used for tightly pushing the dust collecting boxes 3 to realize sealing.
A wind wheel 23 which is horizontally arranged and can rotate is arranged at the upper part in the diversion bin 13 corresponding to the center of an air inlet of the diversion bin through a bearing seat 22 inserted into the air inlet, one end of a wheel shaft 21 of the wind wheel 23 penetrates out of the front of the diversion bin 13 and is connected with a rotating shaft of a generator 19 arranged on the diversion bin 13 through a speed reducer 20, and a power supply output end of the generator 19 is electrically connected with a storage battery (not shown in the figure) on a vehicle body and is used for converting wind energy generated during the operation of the dust collection fan 11 into electric energy, so that the operation. The wind wheel adopts a ducted fan type propeller structure and is used for fully utilizing wind power generated by the dust collection fan 11.
When the device is installed, as shown in fig. 5, the device falls on a frame of the cleaning vehicle through the installation frame 1 and is fixed through bolts, a negative pressure filter bin 26 and a suction port device 25 which are arranged up and down are installed at the rear end of the frame, suction ports on two sides of the negative pressure filter bin 26 are respectively communicated with a suction port of the suction port device 25 through hoses, and the suction port of the dust collection fan 11 is communicated with the suction port of the negative pressure filter bin 26 in a sealing mode.
When the dust collection device is used, the control switches arranged in the cab are used for respectively controlling the starting of the dust collection fan 11 and the driving motor. During dust collection operation, the dust collection fan 11 is started to generate negative pressure in the negative pressure filter bin 26, dust and garbage are sucked into the negative pressure filter bin 26 through the suction port device 25 and the hose, and the dust is filtered in the negative pressure filter bin 26 and then is discharged into the diversion bin 13 through the dust collection fan 11.
Dust enters the diversion cabin 13 along with the airflow and simultaneously drives the wind wheel 23 to rotate, the wind wheel 23 drives the rotating shaft of the generator 19 to rotate through the wheel shaft 21, the generator 19 generates electricity and reversely charges the storage battery through the voltage boosting and stabilizing device, and the operation time and the driving range can be prolonged. Under the action of the dust collection fan 11, dust enters the filter cloth bags at two sides from the lower end of the diversion bin 13 through a plurality of feed inlets at the inner side of the diversion frame 4; dust discharged into the diversion bin 13 can be filtered again through the filter cloth bag, particulate matters carried in sucked dirty air are filtered and discharged out of clean air, and the filtered dust falls into the dust collection box 3 to be collected; the concentration of PM2.5 and PM10 in the air can be effectively reduced.
After dust collection operation, the driving motor is started to drive the cam 15 to rotate at a high speed, so that the cloth bag supports and the filter cloth bags on the two sides of the diversion bin 13 can be driven to vibrate back and forth, and dust attached to the inner surfaces of the filter cloth bags falls into the dust collection box.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an electric dust removal subtracts filtering vibration dust collector of haze cleaning cart, includes the mounting bracket, is equipped with the filtration sack on the mounting bracket, characterized by: the mounting frame is provided with a flow guide bin, the lower ends of two sides of the flow guide bin are respectively provided with a flow guide frame, the two filter cloth bags are respectively supported on the corresponding flow guide frames through cloth bag supports, and the upper end of the back of the flow guide bin is provided with an air inlet for connecting an air outlet of a dust collection fan; a plurality of feed inlets communicated with the diversion bin are arranged on the inner side of the diversion frame and are used for guiding dust discharged into the diversion bin into the filter cloth bags on the two sides;
the dust collecting boxes are respectively arranged on the two sides of the mounting rack below the guide frame through slideways and are communicated with the filtering cloth bags above the dust collecting boxes in a sealing way for collecting dust filtered by the filtering cloth bags;
the vibrating device is connected between the upper ends of the cloth bag supports at the two sides of the diversion bin and is used for driving the two filter cloth bags to vibrate simultaneously, so that dust attached to the filter cloth bags falls into the dust collection box.
2. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1, wherein: the diversion bin is of a hollow cavity structure formed by welding iron plates, the length of the diversion bin is equivalent to that of the filtering cloth bag, and the height of the diversion bin is slightly smaller than the sum of the heights of the filtering cloth bag and the diversion frame.
3. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1 or 2, wherein: the middle part of the back of the diversion bin is provided with a rectangular groove for installing a motor of a dust collection fan.
4. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1, wherein: the diversion frame is inserted on the mounting frame through transverse slideways arranged on two sides of the mounting frame respectively, and two locking bolts are symmetrically connected between the outer side of the diversion frame and the mounting frame and used for pressing a feed inlet of the diversion frame on the diversion bin.
5. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1 or 4, wherein: and the lower ports of the filter cloth bags are respectively sleeved at the upper ends of the corresponding guide frames and are tightly pressed through the battens, so that the lower ports of the filter cloth bags are communicated with the guide frames.
6. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1, wherein: the vibrating device comprises a rectangular frame, two ends of the rectangular frame are respectively connected with the upper connecting plates of the cloth bag supports on two sides, a driving motor is installed in the middle of the rectangular frame, and a cam is installed on an output shaft of the driving motor.
7. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 6, wherein: the front end and the rear end of the upper surface of the diversion bin are respectively fixed with a horizontally arranged limiting column through a support, the middle parts of two frames at the two ends of the rectangular frame are respectively provided with a waist-shaped hole corresponding to the limiting column, the waist-shaped holes are transversely arranged and are respectively sleeved on the corresponding limiting columns through clearance fit, and the waist-shaped holes are used for limiting the transverse reciprocating vibration of the cloth bag support and the filtering cloth bag.
8. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 1, wherein: the upper portion corresponds its air intake center and installs rotatable wind wheel in the water conservancy diversion storehouse, and the shaft one end of wind wheel is worn out and is connected with the generator pivot of establishing on the water conservancy diversion storehouse by the water conservancy diversion storehouse is preceding, the generator is connected with the battery electricity of this electronic dust removal haze reduction cleaning cart for wind energy conversion that produces the dust absorption fan is the electric energy, extension activity duration and continuation mileage of driving.
9. The filtering and vibrating dust removing device of the electric dust and haze removing cleaning vehicle as claimed in claim 8, wherein: the wind wheel adopts a ducted fan type propeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447393.6A CN111501639A (en) | 2020-05-25 | 2020-05-25 | Filtering vibration dust collector of electronic dust removal subtracts haze cleaning cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447393.6A CN111501639A (en) | 2020-05-25 | 2020-05-25 | Filtering vibration dust collector of electronic dust removal subtracts haze cleaning cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111501639A true CN111501639A (en) | 2020-08-07 |
Family
ID=71871979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010447393.6A Pending CN111501639A (en) | 2020-05-25 | 2020-05-25 | Filtering vibration dust collector of electronic dust removal subtracts haze cleaning cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111501639A (en) |
-
2020
- 2020-05-25 CN CN202010447393.6A patent/CN111501639A/en active Pending
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