CN113602029B - Smart power grids show board cleaning device - Google Patents
Smart power grids show board cleaning device Download PDFInfo
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- CN113602029B CN113602029B CN202110900446.XA CN202110900446A CN113602029B CN 113602029 B CN113602029 B CN 113602029B CN 202110900446 A CN202110900446 A CN 202110900446A CN 113602029 B CN113602029 B CN 113602029B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Abstract
The invention relates to the technical field of smart power grids, and discloses a smart power grid display board cleaning device which comprises a box body, wherein a hinge block is fixedly connected to the top of the inner wall of the box body, an electric telescopic rod is hinged to the inner wall of the hinge block, a sliding block is connected to one side of the inner wall of the box body in a sliding manner, a liquid storage tank is arranged in the sliding block, the outer wall of the sliding block is contacted with a display board, and a wiping cleaning mechanism is arranged in the box body. According to the invention, the wiping cleaning mechanism is arranged, so that one side of the wiping block is sprayed and wetted, and then the wiping block descends along with the sliding of the wiping block, so that one side of the display board can be repeatedly scrubbed with cleaning liquid in a reciprocating manner, the pressure of the wiping block on the surface of the display board is increased, so that the intractable stains can be removed in the cleaning process, a large amount of manpower and time are saved through full-automatic spraying and wiping, the cleaning efficiency on the surface of the display board is improved through arranging the vibration wiping mechanism, and the intractable stains can be scattered through vibration stamping, so that the intractable stains are wiped clean.
Description
Technical Field
The invention relates to the technical field of smart power grids, in particular to a smart power grid display board cleaning device.
Background
Smart grids are the targets of the intelligent power grid, also called as "power grid 2.0", and are based on an integrated, high-speed two-way communication network, and the smart power grid is reliably, safely, economically, efficiently, environmentally friendly and safely used through application of advanced sensing and measuring technologies, advanced equipment technologies, advanced control methods and advanced decision support system technologies. Smart power grids often need to use the show board to go on when training propaganda, and the show board is painted for a long time and is led to the surface dirty stain too much, need wash, but at present slope to the show board often through using manual and brush to carry out manual clearance to make the time of clearance too long, and the efficiency of clearance is lower, increases staff's work burden.
Disclosure of Invention
The invention aims to provide a smart grid display board cleaning device which achieves the purpose of solving the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a smart power grids show board cleaning device, includes the box, box inner wall top fixedly connected with articulates the piece, articulated piece inner wall articulates there is electric telescopic handle, box inner wall one side sliding connection has the slider, the inside reservoir that has seted up of slider, the slider outer wall contact has the show board, the inside cleaning mechanism that cleans that is provided with of box;
the cleaning mechanism comprises a connecting block, an elastic plate, a sliding plate, a limiting rod, a wiping block, a deflector rod, a rotating block, a poking rod, a water through groove and a water spraying groove, wherein one end of the connecting block is hinged to the outer wall of the electric telescopic rod, the outer wall of the connecting block is fixedly connected with one end of the elastic plate, the other end of the elastic plate is fixedly connected with one side of the sliding plate, the outer wall of the sliding plate is slidably connected with one side of the inner wall of the box, one side of the sliding plate is fixedly connected with one end of the limiting rod, the other end of the limiting rod penetrates through the inner wall of the connecting block and is slidably connected with the inner wall of the connecting block, the outer wall of the wiping block is hinged to the outer wall of the electric telescopic rod, the outer wall of the wiping block is in contact with the outer wall of the display plate, one end of the deflector rod is fixedly connected with one end of the rotating block, the other end of the poking rod is slidably connected with the inner wall of the sliding block, the small elastic rope is fixedly connected with one end of the inner wall of the small elastic rope, the water through groove and the water spraying groove are formed inside the sliding block, the vibrating wiping block is internally provided with a vibrating wiping mechanism, and the stirring and mixing mechanism is arranged inside the poking rod.
Preferably, the vibration wiping mechanism comprises a sliding block, an elastic rope, semicircular blocks, protruding blocks, connecting rods, connecting sliding blocks, small elastic plates A and brushes, wherein the sliding block outer walls are in sliding connection with one side of the inner wall of the wiping block, the sliding block outer walls are fixedly connected with one end of the elastic rope, the other ends of the elastic ropes are fixedly connected with the inner wall of the wiping block, the sliding block outer walls are fixedly connected with the semicircular block outer walls, the semicircular block outer walls are in contact with the protruding block outer walls, the protruding block outer walls are fixedly connected with one end of the connecting rods, the protruding block outer walls are fixedly connected with the connecting sliding block outer walls, the connecting sliding block outer walls are in sliding connection with one end of the small elastic plates A, the other ends of the small elastic plates A are fixedly connected with the inner wall of the wiping block, the reciprocating brushes on one side of the showing plate vibrate continuously under the action of the small elastic plates A, the side of the brush on one side of the showing plate is in contact with the protruding block outer walls, the protruding blocks are in one side of the same, the cleaning efficiency of the showing plate is improved, and the surface of the brush can be cleaned through the cleaning efficiency of the brush on one side of the showing plate, and the surface of the brush can be cleaned by cleaning the surface of the cleaning plate.
Preferably, the stirring mixing mechanism comprises a small elastic plate B, a small sliding block, an arc-shaped plate, a groove, a fixed block and a push plate, wherein one end of the small elastic plate B is fixedly connected with the outer wall of the small sliding block, the other end of the small elastic plate B is fixedly connected with the inner wall of a stirring rod, the outer wall of the small sliding block is slidably connected with the outer wall of the arc-shaped plate, the groove is formed in the arc-shaped plate, the inner wall of the groove is inserted into the outer wall of the fixed block, the outer wall of the fixed block is fixedly connected with the outer wall of the stirring rod, the outer wall of the arc-shaped plate is fixedly connected with the outer wall of the push plate, when the stirring rod slides and extrudes in the sliding block, air can push the arc-shaped plate to seal and slide between the two small sliding blocks, the small sliding block is simultaneously clamped and sealed by the reverse thrust of the small sliding block B, and meanwhile the arc-shaped plate is repeatedly extruded by the push plate to push the water in the sliding block to perform continuous back and forth stirring, so that the cleaning liquid entering the sliding block is fully mixed, and then cleaning efficiency is greatly improved.
Preferably, one end of the lug, which is contacted with the semicircular block, is an arc surface, so that stirring efficiency is improved.
Preferably, one end of the water through tank is provided with a one-way valve A, and one end of the water spraying tank is provided with a one-way valve B, so that water cannot flow backwards.
Preferably, the front surface of the box body is hinged with a box door, so that the box body can be taken and stored through the box door.
Preferably, a cap is arranged at the top of the sliding block, so that cleaning liquid can be added into the liquid storage tank.
The invention provides a smart grid display board cleaning device. The beneficial effects are as follows:
(1) According to the invention, the wiping cleaning mechanism is arranged, so that one side of the wiping block is sprayed and wetted, and then the wiping block descends along with the sliding of the wiping block, so that one side of the display board can be repeatedly scrubbed with cleaning liquid in a reciprocating manner, the pressure of the wiping block on the surface of the display board is increased, the intractable stains can be removed in the cleaning process, and a large amount of manpower and time are saved through full-automatic spraying and wiping.
(2) According to the invention, the vibration wiping mechanism is arranged, and the brush connected with one side of the sliding block is used for continuously vibrating one side of the display board under the action of the rebound force of the small elastic board A, so that when the wiping block wipes one side of the display board, the brush further cleans one side of the display board through self vibration, the cleaning efficiency of the surface of the display board is greatly improved, and stubborn stains can be scattered through vibration, so that the display board is wiped cleanly.
(3) According to the invention, the stirring and mixing mechanism is arranged, when the stirring rod slides and extrudes in the sliding block, air can push the arc plate to seal and slide between the two small sliding blocks when the right side of the stirring rod is extruded, the small sliding blocks are simultaneously clamped and sealed by the reverse thrust of the small elastic plate B, and meanwhile, when the stirring rod rotates reciprocally, the arc plate is extruded reciprocally and pushes water in the sliding blocks to stir constantly back and forth through the push plate, so that the entering cleaning liquid is fully mixed, the cleaning effect of the cleaning liquid is exerted to the maximum extent, and the cleaning efficiency is greatly improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a front view of the wiping cleaning mechanism of the present invention;
FIG. 4 is an enlarged view of the invention at A of FIG. 3;
FIG. 5 is an enlarged view of the invention at B of FIG. 3;
fig. 6 is an enlarged view of fig. 4 at C in accordance with the present invention.
In the figure: 1 hinging block, 2 box, 3 wiping cleaning mechanism, 301 connecting block, 302 elastic plate, 303 sliding plate, 304 limit rod, 305 wiping block, 306 deflector rod, 307 rotating block, 308 deflector rod, 309 water channel, 310 water spraying channel, 4 vibration wiping mechanism, 401 sliding block, 402 elastic rope, 403 semicircular block, 404 convex block, 405 connecting rod, 406 connecting sliding block, 407 small elastic plate A, 408 hairbrush, 5 stirring mixing mechanism, 501 small elastic plate B, 502 small sliding block, 503 arc plate, 504 groove, 505 fixed block, 506 push plate, 6 sliding block, 7 electric telescopic rod, 8 liquid storage tank and 9 display plate.
Detailed Description
As shown in fig. 1-6, the present invention provides a technical solution: the utility model provides a smart power grids show board cleaning device, including box 2, box 2 openly articulates there is the chamber door, box 2 inner wall top fixedly connected with hinge piece 1, hinge piece 1 inner wall articulates there is electric telescopic handle 7, box 2 inner wall one side sliding connection has slider 6, slider 6 top is provided with the block, the reservoir 8 has been seted up to slider 6 inside, slider 6 outer wall contact has show board 9, box 2 inside is provided with cleans clean mechanism 3, through setting up clean mechanism 3, thereby spray the one side of wiping piece 305 and be stained with, then follow the slip of wiping piece 305 and descend, can carry the reciprocal pressure of scrubbing to show board 9 one side of cleaning solution, and promoted the pressure of wiping piece 305 to show board 9 surface, thereby guaranteed that the in-process intractable spot of cleaning can be clear away, and through full-automatic spraying cleans a large amount of manpower and time of having saved;
the wiping and cleaning mechanism 3 comprises a connecting block 301, an elastic plate 302, a sliding plate 303, a limiting rod 304, a wiping block 305, a deflector rod 306, a rotating block 307, a deflector rod 308 and a water through groove 309, wherein one end of the water through groove 309 is provided with a one-way valve A, one end of a water spraying groove 310 is provided with a one-way valve B, one end of the water spraying groove 310 is hinged with the outer wall of the electric telescopic rod 7, the outer wall of the connecting block 301 is fixedly connected with one end of the elastic plate 302, the other end of the elastic plate 302 is fixedly connected with one side of the sliding plate 303, the outer wall of the sliding plate 303 is slidably connected with one side of the inner wall of the box 2, one side of the sliding plate 303 is fixedly connected with one end of the limiting rod 304, the other end of the limiting rod 304 penetrates through the inner wall of the connecting block 301 and is slidably connected with the inner wall of the connecting block 301, the outer wall of the wiping block 305 is hinged with the outer wall of the electric telescopic rod 7, the outer wall of the wiping block 305 is contacted with the outer wall of the display plate 9, one end of the deflector rod 306 is fixedly connected with the outer wall of the rotating block 307, the outer wall of the sliding block 6 is slidably connected with the inner wall of the sliding block 6, the outer wall of the rotating block 307 is fixedly connected with one end of the poking rod 308, the other end of the poking rod 308 is in sliding connection with the inner wall of the sliding block 6, the outer wall of the poking rod 308 is fixedly connected with a small elastic rope, one end of the small elastic rope is fixedly connected with the top of the inner wall of the sliding block 6, the water through groove 309 and the water spraying groove 310 are arranged in the sliding block 6, the vibrating wiping block 305 is internally provided with a vibrating wiping mechanism 4, the vibrating wiping mechanism 4 comprises a sliding block 401, an elastic rope 402, a semicircular block 403 and a bump 404, one end of the bump 404, which is contacted with the semicircular block 403, is an arc surface, a connecting rod 405, a connecting sliding block 406, a small elastic plate A407 and a hairbrush 408, the outer wall of the sliding block 401 is in sliding connection with one side of the inner wall of the wiping block 305, the outer wall of the sliding block 401 is fixedly connected with one end of the elastic rope 402, the other end of the elastic rope 402 is fixedly connected with the inner wall of the wiping block 305, the outer wall of the sliding block 401 is fixedly connected with the outer wall of the semicircular block 403, the outer wall of the semicircular block 403 is contacted with the outer wall of the bump 404, the outer wall of the protruding block 404 is fixedly connected with one end of the connecting rod 405, the number of the protruding blocks 404 is three, the three protruding blocks 404 are fixedly connected with the outer wall of the connecting sliding block 406 through the connecting rod 405, the outer wall of the connecting sliding block 406 is in sliding connection with the inner wall of the wiping block 305, one side of the connecting sliding block 406 is fixedly connected with the outer wall of the hairbrush 408, the outer wall of the connecting sliding block 406 is fixedly connected with one end of the small elastic plate A407, the other end of the small elastic plate A407 is fixedly connected with the inner wall of the wiping block 305, by arranging the vibration wiping mechanism 4, the hairbrush 408 on one side of the connecting sliding block 406 continuously vibrates under the action of the rebound force of the small elastic plate A407 on one side of the showing plate 9, so that when the wiping block 305 wipes one side of the showing plate 9, the hairbrush 408 further cleans one side of the showing plate 9 through self vibration, thereby greatly improving the cleaning efficiency of the surface of the showing plate 9, the device can wipe the stubborn stains cleanly by poking the stubborn stains through vibration, a stirring and mixing mechanism 5 is arranged in the poking rod 308, the stirring and mixing mechanism 5 comprises a small elastic plate B501, a small sliding block 502, an arc plate 503, a groove 504, a fixed block 505 and a push plate 506, one end of the small elastic plate B501 is fixedly connected with the outer wall of the small sliding block 502, the other end of the small elastic plate B501 is fixedly connected with the inner wall of the poking rod 308, the outer wall of the small sliding block 502 is slidably connected with the inner wall of the poking rod 308, the groove 504 is formed in the arc plate 503, the inner wall of the groove 504 is spliced with the outer wall of the fixed block 505, the outer wall of the fixed block 505 is fixedly connected with the outer wall of the poking rod 308, the outer wall of the arc plate 503 is fixedly connected with the outer wall of the push plate 506, when the poking rod 308 is slidably extruded in the sliding rod 6 through the stirring and mixing mechanism 5, the air can promote the arc 503 and seal and slide between two little sliders 502, and little slider 502 receives the thrust of little elastic plate B501 simultaneously and presss from both sides tight seal with it, and simultaneously when the bar 308 reciprocating rotation is stirred constantly back and forth by the inside water of push pedal 506 promotion slider 6 by reciprocating extrusion to carry out intensive mixing with the cleaning solution that gets into, then maximize the clean efficiency of performance cleaning solution, then promote clean efficiency greatly.
When in use, the display board 9 to be cleaned is put into one side of the inner wall of the box body 2 through the box door on the front side of the box body 2, then the display board 9 is clamped and the sliding block 6 is fixed on one side of the inner wall of the box body 2 through the sliding block 6, then the electric telescopic rod 7 is pushed by the elastic force of the elastic plate 302 to push the connecting block 301 to cling the electric telescopic rod 7 to one side of the display board 9, then the electric telescopic rod 7 is started to stretch and drive the sliding plate 303 to synchronously lift, so that the surface on one side of the display board 9 is wiped back and forth, and when the wiping block 305 is lifted to the outer wall of the sliding block 6, the wiping block 305 rotates along the inclined surface of the sliding block 6 and pushes the shifting rod 306 to rotate, so as to drive the shifting rod 308 to squeeze cleaning water in the sliding block 6, and spray out through the water spraying groove 310, so as to spray one side of the wiping block 305, then the shifting rod 308 is pulled back to the original position along with the sliding of the sliding block 305, the shifting rod 308 is also pulled back to the original position, when the shifting rod 308 rotates, the surface on one side of the inner wall of the sliding block 8 is automatically wiped by the sliding block 305, the cleaning block 305 can be cleaned back and forth by the sliding block 305, and forth along with the sliding block 305, and the inner wall of the sliding block 3 can be cleaned up and down repeatedly, and cleaned by the sliding block 401, and the inner wall can be cleaned by the lifting and the cleaning block is repeatedly and lifted up and down through the sliding block 3, and the sliding plate 3, the lug 404 is stirred and drives three connecting slide blocks 406 through connecting rod 405 to slide in the interior of wipe block 305, and through connecting the reciprocal effect of brush 408 to show board 9 one side of slide block 406 under little elastic plate A407 resilience, thereby when wipe block 305 to show board 9 one side and clean further to show board 9 one side through self vibrations, thereby greatly promoted the cleaning efficiency to show board 9 surface, can be with the obstinate spot through the vibrations mark scattering, thereby be cleaned, simultaneously when the poking rod 308 carries out the slip extrusion in slider 6 inside, the poking rod 308 right side is by the extrusion time, the air can promote the arc 503 sealed and slides between two little sliders 502, little slider 502 receives the thrust of little elastic plate B501 simultaneously and presss from both sides tight seal with it, simultaneously when poking rod 308 reciprocating rotation is by reciprocal extrusion through push pedal 506 promotion slider 6 inside water carry out continuous round trip stirring, thereby carry out abundant mixing with the cleaning solution that gets into, and then maximize the performance cleaning efficiency that promotes cleaning efficiency greatly.
Claims (6)
1. The utility model provides a smart power grids show board cleaning device, includes box (2), box (2) inner wall top fixedly connected with articulates piece (1), articulated piece (1) inner wall articulates has electric telescopic handle (7), box (2) inner wall one side sliding connection has slider (6), reservoir (8) have been seted up to slider (6) inside, slider (6) outer wall contact has show board (9), inside cleaning mechanism (3) that clean that are provided with of box (2);
the method is characterized in that: the wiping and cleaning mechanism (3) comprises a connecting block (301), an elastic plate (302), a sliding plate (303), a limit rod (304), a wiping block (305), a deflector rod (306), a rotating block (307), a stirring rod (308), a water through tank (309) and a water spraying tank (310), one end of the connecting block (301) is hinged with the outer wall of the electric telescopic rod (7), the outer wall of the connecting block (301) is fixedly connected with one end of the elastic plate (302), the other end of the elastic plate (302) is fixedly connected with one side of the sliding plate (303), the outer wall of the sliding plate (303) is in sliding connection with one side of the inner wall of the box body (2), one side of the sliding plate (303) is fixedly connected with one end of the limit rod (304), the other end of the limit rod (304) penetrates through the inner wall of the connecting block (301) and is in sliding connection with the inner wall of the connecting block (301), the outer wall of the wiping block (305) is hinged with the outer wall of the electric telescopic rod (7), the outer wall of the wiping block (305) is in contact with the outer wall of the display plate (9), one end of the stirring rod (306) is fixedly connected with the outer wall of the rotating block (307), the outer wall of the rotating block (307) is fixedly connected with the inner wall of the sliding block (6) and one end of the sliding block (307) is fixedly connected with the inner wall of the inner wall (308), the stirring rod (308) is fixedly connected with a small elastic rope, one end of the small elastic rope is fixedly connected with the top of the inner wall of the sliding block (6), the water through groove (309) and the water spraying groove (310) are formed in the sliding block (6), the vibration wiping mechanism (4) is arranged in the wiping block (305), and the stirring mixing mechanism (5) is arranged in the stirring rod (308);
the vibration wiping mechanism (4) comprises a sliding block (401), an elastic rope (402), a semicircular block (403), a protruding block (404), a connecting rod (405), a connecting sliding block (406), three small elastic plates A (407) and a hairbrush (408), wherein the outer wall of the sliding block (401) is in sliding connection with one side of the inner wall of the wiping block (305), the outer wall of the sliding block (401) is fixedly connected with one end of the elastic rope (402), the other end of the elastic rope (402) is fixedly connected with the inner wall of the wiping block (305), the outer wall of the sliding block (401) is fixedly connected with the outer wall of the semicircular block (403), the outer wall of the semicircular block (403) is in contact with the outer wall of the protruding block (404), the outer wall of the protruding block (404) is fixedly connected with one end of the connecting rod (405), the protruding block (404) is fixedly connected with the outer wall of the connecting sliding block (406), one side of the connecting sliding block (406) is fixedly connected with the inner wall of the sliding block (305), and the other end of the connecting sliding block (406) is fixedly connected with the other end of the small elastic plates A (407).
2. The smart grid display board cleaning device of claim 1, wherein: stirring mixing mechanism (5) include little elastic plate B (501), little slider (502), arc (503), recess (504), fixed block (505), push pedal (506), little elastic plate B (501) one end and little slider (502) outer wall fixed connection, little elastic plate B (501) other end and stirring rod (308) inner wall fixed connection, little slider (502) outer wall and stirring rod (308) inner wall sliding connection, little slider (502) outer wall and arc (503) outer wall sliding connection, recess (504) are seted up to inside of arc (503), recess (504) inner wall and fixed block (505) outer wall grafting, fixed block (505) outer wall and stirring rod (308) outer wall fixed connection, arc (503) outer wall and push pedal (506) outer wall fixed connection.
3. The smart grid display board cleaning device of claim 2, wherein: one end of the lug (404) contacted with the semicircular block (403) is an arc surface.
4. A smart grid display board cleaning device as defined in claim 3, wherein: one end of the water through groove (309) is provided with a one-way valve A, and one end of the water spraying groove (310) is provided with a one-way valve B.
5. The smart grid display board cleaning device of claim 4, wherein: the front face of the box body (2) is hinged with a box door.
6. The smart grid display board cleaning device of claim 5, wherein: the top of the sliding block (6) is provided with a cover cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900446.XA CN113602029B (en) | 2021-08-06 | 2021-08-06 | Smart power grids show board cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900446.XA CN113602029B (en) | 2021-08-06 | 2021-08-06 | Smart power grids show board cleaning device |
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| Publication Number | Publication Date |
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| CN113602029A CN113602029A (en) | 2021-11-05 |
| CN113602029B true CN113602029B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110900446.XA Active CN113602029B (en) | 2021-08-06 | 2021-08-06 | Smart power grids show board cleaning device |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3135728U (en) * | 2007-07-13 | 2007-09-27 | 張振隆 | Roller type automatic wiping machine |
| TW201008794A (en) * | 2008-08-29 | 2010-03-01 | Univ Nat Central | Fully automatic blackboard eraser |
| CN110076113A (en) * | 2019-03-21 | 2019-08-02 | 浙江嘉宇建设有限公司 | A kind of municipal works cable cleaning machine |
| CN209728409U (en) * | 2019-04-16 | 2019-12-03 | 广州颂拓专用设备有限公司 | Outdoor glass curtain wall projection hard curtain |
| WO2021109212A1 (en) * | 2019-12-03 | 2021-06-10 | 安测半导体技术(江苏)有限公司 | Automatic flat plate cleaning support |
| CN212703161U (en) * | 2020-05-29 | 2021-03-16 | 唐善学 | Cleaning device is used in building curtain production and processing |
| CN212889524U (en) * | 2020-07-10 | 2021-04-06 | 郑州航空工业管理学院 | Rolling seal of common audit mark |
| CN112845201B (en) * | 2020-12-05 | 2022-03-22 | 唐山学院 | Multifunctional automatic dust removal device |
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Effective date of registration: 20230530 Address after: 1122 Yuanshen Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: 235100 room 902, building 2, ziweiyuan community, Yulan Avenue, Suixi Economic Development Zone, Suixi County, Huaibei City, Anhui Province Applicant before: Ma Shuai |
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