CN206965395U - A kind of civil engineering spray dust remover - Google Patents
A kind of civil engineering spray dust remover Download PDFInfo
- Publication number
- CN206965395U CN206965395U CN201720593658.7U CN201720593658U CN206965395U CN 206965395 U CN206965395 U CN 206965395U CN 201720593658 U CN201720593658 U CN 201720593658U CN 206965395 U CN206965395 U CN 206965395U
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- fixedly connected
- casing
- supporting plate
- spray
- water
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Abstract
The utility model discloses a kind of civil engineering spray dust remover, including base, casing is fixedly connected with the top of the base, the bottom of the cabinets cavity is fixedly connected with the first motor, the top of first motor is fixedly connected with swingle by shaft coupling, the casing is internally provided with supporting plate, and the right side at the top of supporting plate is fixedly connected with lowering or hoisting gear, the top of the swingle sequentially passes through the top of supporting plate and casing and extends to the outside of casing from bottom to up, the top of the swingle is fixedly connected with rotating disk, and support column is fixedly connected with the top of rotating disk, surface at the top of the support column has been bolted to connection spray tank, shower plate is provided with the left of the spray tank, it the utility model is related to technical field of civil engineering.The civil engineering spray dust remover, solve the problems, such as to lead to not meet user's using effect due to the ineffective of spray for dust suppression.
Description
Technical field
Technical field of civil engineering is the utility model is related to, specially a kind of civil engineering spray dust remover.
Background technology
Civil engineering refers to the technologies such as applied material, equipment and the exploration carried out, design, construction, M R
Activity, also refers to the object of engineering construction, that is, builds on the ground or in underground, land or water, be directly or indirectly human lives, life
Production, military and Scientific Research Service various job facilities, for example, house, road, railway, pipeline, tunnel, bridge, canal, dykes and dams,
Harbour, power station, airport, ocean platform, water supply and drainage and protection works etc..
Traditional civil engineering with spray dust remover work when be all that spray tank is gone to a direction to carry out
For a long time spray, such words spread of spray it is smaller, cause the effect of spray for dust suppression bad, can not meet that user is more preferable
Using effect, cause the usage degree of user to reduce.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of civil engineering spray dust remover, solves
The problem of leading to not meet user's using effect due to the ineffective of spray for dust suppression.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of civil engineering spraying
Dust arrester, including base, casing are fixedly connected with the top of the base, the bottom of the cabinets cavity is fixedly connected with
One motor, the top of first motor are fixedly connected with swingle by shaft coupling, and the casing is internally provided with support
Plate, and the right side at the top of supporting plate is fixedly connected with lowering or hoisting gear, and the top of the swingle sequentially passes through branch from bottom to up
The top of fagging and casing and the outside for extending to casing, the top of the swingle are fixedly connected with rotating disk, the rotation
The bottom of disk is inlaid with ball, and the top contact of the surface of ball and casing, and the both sides at the top of the rotating disk are fixed
It is connected with support column, and spray tank, the spray tank is connected with by axis of rotation between the relative side of two support columns
Left side be provided with shower plate, and through there is a shower nozzle on shower plate, the left side of the spraying bottom of the barrel through there is water inlet pipe, and
And the bottom of spray tank is run through in the bottom of water inlet pipe, be fixedly connected with water tank on the left of the casing, and the bottom of water tank with
It is fixedly connected at the top of base, the left side of the tank top is fixedly connected with through there is funnel on the right side of the tank top
Waterproof pump box, the bottom of the water pump box cavity are fixedly connected with water pump, and the water inlet of the water pump is communicated with drinking-water pipe, and takes out
The bottom of water pipe sequentially passes through the bottom of waterproof pump box and the top of water tank and the inside for extending to water tank, the water pump from top to bottom
It is fixedly connected with bobbin carriage on the left of box top, and bobbin carriage is internally provided with long soft-pipe, one end of the long soft-pipe and water pump
Output end connection.
The lowering or hoisting gear includes the second motor, and the bottom of second motor at the top of supporting plate with being fixedly connected, institute
The output shaft for stating the second motor is fixedly connected with connecting rod by shaft coupling, and disk is arranged with the top of the connecting rod, described
The surface of disk is arranged with fixed plate, and the left pivot movement of the fixed plate front surface is connected with movable block, a left side for the movable block
Side is provided with chute, and U-shaped chute is provided with the right side of movable block, and first is fixedly connected with the right side of the disk front surface
Limited block, the top of first limited block is through chute and extends to the outside of chute, and the surface of the first limited block with
The inwall of chute is slidably connected, and the sliding block being adapted with fixed plate is slidably connected on the right side of the fixed plate, the sliding block
Front surface is fixedly connected with the second limited block, and the top of second limited block through U-shaped chute and extends to the outer of U-shaped chute
Portion, and the surface of the second limited block and the inwall of U-shaped chute are slidably connected, and the bottom of the sliding block through supporting plate and extends
To the bottom of supporting plate, the top of the sliding block through the top of casing and extends to the bottom of spray tank, the spray tank
Surface is arranged with fixing band, and is bolted to connection at the top of the bottom of fixing band and sliding block.
Preferably, electric fan is provided with the right side of the spray tank, and protection board is provided with the right side of electric fan.
Preferably, push and pull bar is fixedly connected with the left of the base top, and the both sides of base bottom are fixed
It is connected with universal wheel.
Preferably, the casing is arranged to cylinder, and the supporting plate is shaped to cylinder, and supporting plate
Side is connected with track, and the side of track is fixedly connected with the inwall of casing.
Preferably, the opening being adapted with sliding block is offered at the top of the casing, and is open and is shaped to half
It is circular.
(3) beneficial effect
The utility model provides a kind of civil engineering spray dust remover.Possesses following beneficial effect：The building work
Journey spray dust remover, by being fixedly connected with the second motor at the top of supporting plate, the output shaft of the second motor passes through shaft coupling
Device is fixedly connected with connecting rod, and disk is arranged with the top of connecting rod, and the surface of disk is arranged with fixed plate, the positive table of fixed plate
Face has been bolted to connection movable block, and chute is provided with the left of movable block, U-shaped chute is provided with the right side of movable block,
The first limited block is fixedly connected with the right side of disk front surface, the cunning being adapted with fixed plate is connected with the right side of fixed plate
Block, the front surface of sliding block are fixedly connected with the second limited block, and the top of the first limited block through the bottom of chute and extends to cunning
The top of groove, and the surface of the first limited block is flexibly connected with the inwall of chute, and U-shaped chute is run through at the top of the second limited block
Bottom and extend to the top of U-shaped chute, and the surface of the second limited block is flexibly connected with the inwall of U-shaped chute, sliding block
Bottom through supporting plate and extend to the bottom of supporting plate, the top of sliding block through the top of casing and extends to the outer of casing
Portion, the surface of spray tank are arranged with fixing band, and the top of sliding block and the bottom of fixing band are bolted to connection, solve by
In spray for dust suppression it is ineffective the problem of, increase the scope of spray for dust suppression, the using effect of user can be met, so as to
Increase the usage degree of user.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural representation of the utility model lowering or hoisting gear；
Fig. 3 is the structure top view of the utility model lowering or hoisting gear；
Fig. 4 is the structural representation of the utility model fixing band and sliding block；
Fig. 5 is the structural representation of the utility model casing top.
In figure：1- bases, 2- casings, the motors of 3- first, 4- swingles, 5- supporting plates, 6- lowering or hoisting gears, the electricity of 601- second
Machine, 602- connecting rods, 603- disks, 604- fixed plates, 605- movable blocks, 606- chutes, 607-U shapes chute, 608- first are limited
Position block, 609- sliding blocks, the limited blocks of 610- second, 7- rotating disks, 8- support columns, 9- spray tanks, 10- shower plates, 11- shower nozzles, 12-
Water inlet pipe, 13- water tanks, 14- funnels, 15- waterproof pump boxs, 16- water pumps, 17- drinking-water pipes, 18- bobbin carriages, 19- long soft-pipes, 20- are fixed
Band, 21- electric fans, 22- protection boards, 23- push and pull bars, 24- universal wheels, 25- tracks, 26- opening.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of civil engineering spray dust remover, bag
Base 1 is included, the left side at the top of base 1 is fixedly connected with push and pull bar 23, and the both sides of the bottom of base 1 have been fixedly connected with ten thousand
To wheel 24, universal wheel 24 is fixedly connected with casing 2 for mobile device to specified location, the top of base 1, the inner chamber of casing 2
Bottom is fixedly connected with the first motor 3, and the top of the first motor 3 is fixedly connected with swingle 4 by shaft coupling, casing 2 it is interior
Portion is provided with supporting plate 5, for supporting lowering or hoisting gear 6, and can drive lowering or hoisting gear 6 one when supporting plate 5 rotates
Rotation is played, casing 2 is arranged to cylinder, and supporting plate 5 is shaped to cylinder, and the activity of the side of supporting plate 5 is even
Track 25 is connected to, track 25 is used for the movement locus of fixed support plate 5, and the side of track 25 and the inwall of casing 2 are fixed
Connection, and the right side at the top of supporting plate 5 is fixedly connected with lowering or hoisting gear 6, and the top of swingle 4 sequentially passes through branch from bottom to up
The top of fagging 5 and casing 2 and the outside for extending to casing 2, the top of swingle 4 are fixedly connected with rotating disk 7, rotating disk 7
Bottom be inlaid with ball, and the surface of ball and the top contact of casing 2, ball be used to reducing rotating disk 7 and casing 2 it
Between frictional force, the both sides at the top of rotating disk 7 have been fixedly connected with support column 8, and between the relative side of two support columns 8
Spray tank 9 is connected with by axis of rotation, spray tank 9 is used for the distance for increasing spraying, and the right side of spray tank 9 is provided with electronic wind
Fan 21, electric fan 21 water supply, one power, the water after atomization is set to float farther, and the right side of electric fan 21 is set
Protection board 22 is equipped with, protection board 22 is used to prevent staff from touching electric fan 21 and damaging, and the left side of spray tank 9 is set
There is shower plate 10, shower plate 10 is used to place shower nozzle 11, and through there is shower nozzle 11 on shower plate 10, shower nozzle 11 is used for pressurized water
The distance that water is sprayed is farther, and through there is water inlet pipe 12, water inlet pipe 12 is adapted with long soft-pipe 19 in the left side for bottom of the barrel of spraying, and
And the bottom of spray tank 9 is run through in the bottom of water inlet pipe 12, the left side of casing 2 is fixedly connected with water tank 13, and the bottom of water tank 13
Portion is fixedly connected with the top of base 1, and the left side at the top of water tank 13 is noted through there is funnel 14 in the water supply case 13 of funnel 14
Water, the right side at the top of water tank 13 are fixedly connected with waterproof pump box 15, and waterproof pump box 15 is used to protect water pump 16, the bottom of the inner chamber of waterproof pump box 15
Portion is fixedly connected with water pump 16, and the water inlet of water pump 16 is communicated with drinking-water pipe 17, and the bottom of drinking-water pipe 17 from top to bottom according to
Secondary through the bottom of waterproof pump box 15 and the top of water tank 13 and to extend to the inside of water tank 13, the right side at the top of waterproof pump box 15 is fixed
It is connected with bobbin carriage 18, and bobbin carriage 18 is internally provided with long soft-pipe 19, and bobbin carriage 18 is used to place long soft-pipe 19, increase long soft-pipe
19 service life, one end of long soft-pipe 19 connect with the output end of water pump 16.
Lowering or hoisting gear 6 includes the second motor 601, and the bottom of the second motor 601 is fixedly connected with the top of supporting plate 5, the
The output shaft of two motors 601 is fixedly connected with connecting rod 602 by shaft coupling, and the top of connecting rod 602 is arranged with disk 603,
The surface of disk 603 is arranged with fixed plate 604, and the left pivot movement of the front surface of fixed plate 604 is connected with movable block 605, movable block
605 left side is provided with chute 606, movement locus of the chute 606 for limiting the first limited block 608, and movable block 605
Right side is provided with U-shaped chute 607, and U-shaped chute is used for the movement locus for limiting the second limited block 610, the right side of the front surface of disk 603
Side is fixedly connected with the first limited block 608, and the top of the first limited block 608 through chute 606 and extends to the outer of chute 606
Portion, and the surface of the first limited block 608 and the inwall of chute 606 are slidably connected, the right side of fixed plate 604 slidably connect with
The sliding block 609 that fixed plate 604 is adapted, the front surface of sliding block 609 are fixedly connected with the second limited block 610, the second limited block 610
Top through U-shaped chute 607 and extend to the outside of U-shaped chute 607, and the surface of the second limited block 610 and U-shaped chute
607 inwall is slidably connected, and the bottom of sliding block 609 through supporting plate 5 and extends to the bottom of supporting plate 5, the top of sliding block 609
Through the top of casing 2 and the bottom of spray tank 9 is extended to, the surface of spray tank 9 is arranged with fixing band 20, is sprayed for fixed
The position of bucket 9 is moved, and the bottom of fixing band 20 and the top of sliding block 609 are bolted to connection, the top of casing 2
Portion offers the opening 26 being adapted with sliding block 609, and opening 26 is used for when supporting plate 5 drives lowering or hoisting gear 6 to rotate not
The movement locus of sliding block 609 can be limited, and opening 26 is shaped to semicircle.
In use, by the water filling into water tank 13 of funnel 14, the mobile device of push and pull bar 23 is promoted after filling to specified
Position, the first motor 3 is opened, the motion of the first motor 3 drives the rotation of rotating disk 7, and the rotation of rotating disk 7 drives spray tank 9
Rotation, adjust and the first motor 3 closed after direction, water inlet pipe 12 is accessed on the top of long soft-pipe 19, opens electric fan
21, and water pump 16 is opened, water pump 16 will be passed through shower plate after the water extraction in water tank 13 by drinking-water pipe 17 by long soft-pipe 19
In 10, the shower nozzle 11 on shower plate 10 sprays after hydraulic pressure is contracted, the water atomization that the air-supply of electric fan 21 sprays shower nozzle 11, together
When open the second motor 601, the rotation of the second motor 601 drives the rotation of connecting rod 602, and the rotation of connecting rod 602 drives circle
Disk 603 carries out circular motion, and the motion of disk 603 drives the first limited block 608 to carry out circular motion, and the first limited block 608 exists
Left and right is carried out in chute 606 to reciprocatingly slide, the motion of the first limited block 608 drives movable block 605 to do semicircular reciprocating motion,
The motion of movable block 605 drives U-shaped chute 607 to carry out semicircular reciprocating motion, and the motion of U-shaped chute 607 drives the second limit
Position block 610 carries out the reciprocating motion of left and right in U-shaped chute 607, and the motion band movable slider 609 of the second limited block 610 is carried out
Under reciprocating motion, the motion of sliding block 609 drives fixing band 20 to pump, and the motion of fixing band 20 drives spray tank
9 latter half is pumped, and the head of spray tank 9 is equally reciprocal above and below progress in the presence of support column 8
Motion, realize that spray for dust suppression works.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of civil engineering spray dust remover, including base (1), it is characterised in that：The top of the base (1) is fixed
Casing (2) is connected with, the bottom of casing (2) inner chamber is fixedly connected with the first motor (3), the top of first motor (3)
Portion is fixedly connected with swingle (4) by shaft coupling, and the casing (2) is internally provided with supporting plate (5), and supporting plate
(5) right side at the top of is fixedly connected with lowering or hoisting gear (6), and the top of the swingle (4) sequentially passes through supporting plate from bottom to up
(5) and the top of casing (2) and the outside of casing (2) is extended to, the top of the swingle (4) is fixedly connected with rotating disk
(7), the bottom of the rotating disk (7) is inlaid with ball, and the surface of ball and the top contact of casing (2), the rotation
Both sides at the top of disk (7) have been fixedly connected with support column (8), and pass through rotating shaft between the relative side of two support columns (8)
Spray tank (9) is rotatably connected to, shower plate (10) is provided with the left of the spray tank (9), and run through on shower plate (10)
There is shower nozzle (11), the left side of spray tank (9) bottom is fixedly connected through there is water inlet pipe (12) on the left of the casing (2)
There is water tank (13), and the bottom of water tank (13), with being fixedly connected at the top of base (1), the left side at the top of the water tank (13) is passed through
It is installed with funnel (14), the right side at the top of the water tank (13) is fixedly connected with waterproof pump box (15), waterproof pump box (15) inner chamber
Bottom is fixedly connected with water pump (16), and the water inlet of the water pump (16) is communicated with drinking-water pipe (17), and drinking-water pipe (17)
Bottom sequentially passes through the bottom of waterproof pump box (15) and the top of water tank (13) and extends to the inside of water tank (13) from top to bottom, institute
State the left side at the top of waterproof pump box (15) and be fixedly connected with bobbin carriage (18), and bobbin carriage (18) is internally provided with long soft-pipe (19),
One end of the long soft-pipe (19) connects with the output end of water pump (16)；
The lowering or hoisting gear (6) includes the second motor (601), the bottom of second motor (601) and the top of supporting plate (5)
It is fixedly connected, the output shaft of second motor (601) is fixedly connected with connecting rod (602), the connecting rod by shaft coupling
(602) disk (603) is arranged with the top of, the surface of the disk (603) is arranged with fixed plate (604), the fixed plate
(604) left pivot movement of front surface is connected with movable block (605), and chute (606) is provided with the left of the movable block (605),
And U-shaped chute (607) is provided with the right side of movable block (605), is fixedly connected with the right side of disk (603) front surface
One limited block (608), the top of first limited block (608) through chute (606) and extend to the outside of chute (606),
And the surface of the first limited block (608) and the inwall of chute (606) are slidably connected, the right side of the fixed plate (604) is slided
It is connected with the sliding block (609) being adapted with fixed plate (604), it is spacing that the front surface of the sliding block (609) is fixedly connected with second
Block (610), the top of second limited block (610) through U-shaped chute (607) and extend to the outside of U-shaped chute (607),
And the surface of the second limited block (610) and the inwall of U-shaped chute (607) are slidably connected, the bottom of the sliding block (609) is run through
Supporting plate (5) simultaneously extends to the bottom of supporting plate (5), and the top of the sliding block (609) through the top of casing (2) and extends to
The bottom of spray tank (9), the surface of the spray tank (9) are arranged with fixing band (20), and the bottom of fixing band (20) and cunning
Block is bolted to connection at the top of (609).
A kind of 2. civil engineering spray dust remover according to claim 1, it is characterised in that：The spray tank (9)
Right side be provided with electric fan (21), and protection board (22) is provided with the right side of electric fan (21).
A kind of 3. civil engineering spray dust remover according to claim 1, it is characterised in that：Base (1) top
Push and pull bar (23) is fixedly connected with the left of portion, and the both sides of base (1) bottom have been fixedly connected with universal wheel (24).
A kind of 4. civil engineering spray dust remover according to claim 1, it is characterised in that：The casing (2) sets
Cylinder is set to, the supporting plate (5) is shaped to cylinder, and the side of supporting plate (5) is flexibly connected rail
Road (25), and the side of track (25) is fixedly connected with the inwall of casing (2).
A kind of 5. civil engineering spray dust remover according to claim 1, it is characterised in that：The casing (2)
Top offers the opening (26) being adapted with sliding block (609), and be open (26) be shaped to semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593658.7U CN206965395U (en) | 2017-05-25 | 2017-05-25 | A kind of civil engineering spray dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720593658.7U CN206965395U (en) | 2017-05-25 | 2017-05-25 | A kind of civil engineering spray dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206965395U true CN206965395U (en) | 2018-02-06 |
Family
ID=61410086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720593658.7U Expired - Fee Related CN206965395U (en) | 2017-05-25 | 2017-05-25 | A kind of civil engineering spray dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206965395U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854362A (en) * | 2018-08-24 | 2018-11-23 | 江西新瑞景陶瓷有限公司 | A kind of function ceramics powder preparation workshop device for reducing dust |
| CN109821328A (en) * | 2019-02-22 | 2019-05-31 | 陈利波 | Structural engineering construction is used can be with the spraying device of multi-faceted dedusting |
| CN109833703A (en) * | 2019-04-03 | 2019-06-04 | 广东中人岩土工程有限公司 | A kind of mine dust separation device |
| CN111298556A (en) * | 2019-11-30 | 2020-06-19 | 四川鸥鹏建筑工程公司 | Subside absorption formula housing construction dust collector |
| CN111617583A (en) * | 2020-06-15 | 2020-09-04 | 杭州富阳钰宝机床厂 | Interior decoration dust removal atomizer |
| CN112109831A (en) * | 2020-08-31 | 2020-12-22 | 徐州工程学院 | Self-weighing freight tricycle |
| CN112359769A (en) * | 2020-10-09 | 2021-02-12 | 上海清宁环境规划设计有限公司 | Spraying machine for building construction |
| CN112425889A (en) * | 2020-11-26 | 2021-03-02 | 溧阳市人民医院 | Clinical laboratory uses electronic test-tube brush |
| CN114197355A (en) * | 2021-12-28 | 2022-03-18 | 刘爱君 | Multi-kinetic energy dust removal equipment for construction |
-
2017
- 2017-05-25 CN CN201720593658.7U patent/CN206965395U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854362A (en) * | 2018-08-24 | 2018-11-23 | 江西新瑞景陶瓷有限公司 | A kind of function ceramics powder preparation workshop device for reducing dust |
| CN109821328A (en) * | 2019-02-22 | 2019-05-31 | 陈利波 | Structural engineering construction is used can be with the spraying device of multi-faceted dedusting |
| CN109833703A (en) * | 2019-04-03 | 2019-06-04 | 广东中人岩土工程有限公司 | A kind of mine dust separation device |
| CN111298556A (en) * | 2019-11-30 | 2020-06-19 | 四川鸥鹏建筑工程公司 | Subside absorption formula housing construction dust collector |
| CN111617583A (en) * | 2020-06-15 | 2020-09-04 | 杭州富阳钰宝机床厂 | Interior decoration dust removal atomizer |
| CN112109831A (en) * | 2020-08-31 | 2020-12-22 | 徐州工程学院 | Self-weighing freight tricycle |
| CN112359769A (en) * | 2020-10-09 | 2021-02-12 | 上海清宁环境规划设计有限公司 | Spraying machine for building construction |
| CN112425889A (en) * | 2020-11-26 | 2021-03-02 | 溧阳市人民医院 | Clinical laboratory uses electronic test-tube brush |
| CN114197355A (en) * | 2021-12-28 | 2022-03-18 | 刘爱君 | Multi-kinetic energy dust removal equipment for construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20180525 |