CN110468769A - A kind of construction device for reducing dust automatically adjusting angle - Google Patents
A kind of construction device for reducing dust automatically adjusting angle Download PDFInfo
- Publication number
- CN110468769A CN110468769A CN201910839485.6A CN201910839485A CN110468769A CN 110468769 A CN110468769 A CN 110468769A CN 201910839485 A CN201910839485 A CN 201910839485A CN 110468769 A CN110468769 A CN 110468769A
- Authority
- CN
- China
- Prior art keywords
- turntable
- pushing block
- reducing dust
- automatically adjusting
- construction device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
Abstract
A kind of construction device for reducing dust automatically adjusting angle, including drive case, motor, gun barrel main body and hydraulic stem, the bottom surface of the drive case is fixedly installed with bottom plate, and the right end top surface of drive case is fixedly installed with retaining collar, and the inside of retaining collar is equipped with plectane, the plectane is connected with each other by the first ball and retaining collar, and the top surface of plectane is fixedly installed with turntable, and connection gear is installed on the outside of turntable, the right side engagement of the connection gear is connected with driving gear, and driving gear is mounted on the output end of motor, and motor is fixedly mounted on the right surface of drive case；The construction device for reducing dust of the automatic adjustment angle, pass through the operating of motor, motor is set to move the 360 ° of rotary works of connection gear and turntable progress repeatedly by driving gear band, to make turntable drive gun barrel main body to be rotated by support frame, improved convenient for the spraying range to gun barrel main body.
Description
Technical field
The present invention relates to technical field of building construction, specially a kind of construction for automatically adjusting angle is filled with depositing dust
It sets.
Background technique
During construction mainly builds various buildings, to carry out construction gradually to building
Work needs in construction using various construction materials and mechanical equipment and design drawing is arrived, wherein applying in building
Include the device for reducing dust inhibited to dust in work, is conducive to carry out the environment in construction protection work, but it is existing
Some construction with device for reducing dust also there is a problem that
1. only single carry out simple angular adjustment work up and down by water outlet of the hydraulic stem to gun barrel, can not make
The sprinkling work in other orientation of gun barrel can only carry out depositing dust work to the construction area of folk prescription position, to influence the depositing dust
Device can not make the device for reducing dust carry out 360 ° of sprinkling work the dustfall efficiency in construction building site；
2. the device for reducing dust main body carries out the mobile working of position by the pulley of bottom, consequently facilitating being moved to suitably
Depositing dust work is carried out behind position, but it is not convenient enough to the fixation work of pulley, while pulley to the support of the device for reducing dust not
The phenomenon that enough stablizing, being easy to happen sliding.
So we have proposed a kind of construction device for reducing dust for automatically adjusting angle, in order to solve to mention among the above
Out the problem of.
Summary of the invention
The purpose of the present invention: a kind of construction device for reducing dust for automatically adjusting angle is provided.
The technical scheme is that a kind of construction device for reducing dust for automatically adjusting angle, including drive case,
Motor, gun barrel main body and hydraulic stem, the bottom surface of the drive case is fixedly installed with bottom plate, and the right end top surface of drive case is solid
Dingan County is equipped with retaining collar, and the inside of retaining collar is equipped with plectane, and the plectane passes through the first ball and retaining collar
It is connected with each other, and the top surface of plectane is fixedly installed with turntable, and connection gear is equipped on the outside of turntable, the connection gear
Right side engagement be connected with driving gear, and drive gear to be mounted on the output end of motor, and motor is fixedly mounted on driving
The right surface of cabinet, the right end of the turntable is internally provided with the first accommodating groove, and the inside of the first accommodating groove is equipped with second
Pushing block, and limit shaft is fixedly installed on the right side of the second pushing block, it is fixedly installed with connecting spring on the left of second pushing block,
And the left end of connecting spring is located at the inside of the second accommodating groove, and the second accommodating groove is arranged in the inside of turntable, described second
Bolt is installed, and the second pushing block of bolt-through is threadedly coupled with screw hole, and the inside of turntable, institute is arranged in screw hole on pushing block
Bolt is stated across link slot, and link slot is provided with the top surface of turntable, the top surface of the turntable is equipped with support frame, and support frame
Top connect with gun barrel main body bearing, and be connected with hydraulic stem between gun barrel main body and support frame.
The bottom plate includes antiskid plate, reset spring, the first pushing block and support shaft, and the inside of bottom plate be equipped with it is anti-skidding
Plate, and the top surface of antiskid plate is fixedly installed with reset spring, and the top of the reset spring and the bottom surface of drive case are fixed
Connection, and reset spring is located at the inside of bottom plate, the top surface of the antiskid plate and the first pushing block are connected with each other, and the first pushing block is solid
Dingan County is mounted in the outside of support shaft, and support shaft passes through bottom plate.
The antiskid plate constitutes stretching structure, and the connection type of antiskid plate and the first pushing block by reset spring and bottom plate
To be fitted and connected, and the side view of the first pushing block is drops, and the bottom plate is to be threadedly coupled with the connection type of support shaft.
The plectane constitutes slide construction by the first ball and retaining collar, and the diameter of plectane is less than the straight of turntable
Diameter.
The connection gear includes the second ball and limit hole, and connection gear is mutually interconnected by the second ball with turntable
It connects, and offers limit hole on the inner wall of connection gear, the limit hole and limit shaft are connected with each other.
The connection gear constitutes rotational structure by the second ball and turntable, and connection gear spaced at equal angles around is limited
Position hole.
Second pushing block constitutes stretching structure by connecting spring and the first accommodating groove, and the height of the second pushing block is greater than
The height of second accommodating groove, and the limit shaft on the second pushing block and turntable constitute slide construction, the limit shaft and limit hole
Connection type be connected together.
The bolt is to be threadedly coupled, and bolt is made up of link slot and turntable and slides with the connection type of the second pushing block
Structure.
The hydraulic stem is respectively with gun barrel main body and supporting framework at rotational structure, and the connection type of support frame and turntable
To be welded to connect.
Beneficial effect is:
1. making motor move the 360 ° of rotations of connection gear and turntable progress repeatedly by driving gear band by the operating of motor
Work of changing a job carries out so that turntable be made to drive gun barrel main body to be rotated by support frame convenient for the spraying range to gun barrel main body
It improves, to increase the depositing dust range of the device；
2. make support shaft that the first pushing block be driven to carry out extruding to antiskid plate by the rotation to support shaft and push the work forward, from
And it is fitted and connected antiskid plate slide downward with ground, the region of the device and ground face contact is increased, driving is improved
Cabinet put after stablizing effect；
3. being pulled manually to bolt after staff can be by rotating out of screw hole for bolt, so that bolt be made to drive
Second pushing block carries out sliding work, while the second pushing block drives limit shaft and limit hole to carry out mask work, is convenient for tooth connection
Positioning work between wheel and turntable is released, and staff is facilitated to stir rotary work by carrying out manually to support frame,
It is convenient for manually adjusting work.
Detailed description of the invention
Fig. 1 is the whole positive structure diagram of the present invention；
Fig. 2, which is that the present invention is whole, faces the schematic diagram of the section structure；
Fig. 3 is enlarged structure schematic diagram at A in Fig. 2 of the present invention；
Fig. 4 is connection gear of the present invention and driving gear overlooking the connection structure；
Fig. 5 is antiskid plate of the present invention and bottom plate overlooking the connection structure；
Fig. 6 is the first pushing block of the invention and support shaft side view attachment structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figs 1 to 6, a kind of construction device for reducing dust automatically adjusting angle, including drive case 1, motor
9, gun barrel main body 19 and hydraulic stem 20, the bottom surface of drive case 1 is fixedly installed with bottom plate 2, and the right end top surface of drive case 1 is solid
Dingan County is equipped with retaining collar 3, and the inside of retaining collar 3 is equipped with plectane 4, and plectane 4 passes through the first ball 5 and retaining collar
3 are connected with each other, and the top surface of plectane 4 is fixedly installed with turntable 6, and the outside of turntable 6 is equipped with connection gear 7, tooth connection
The right side engagement of wheel 7 is connected with driving gear 8, and driving gear 8 is mounted on the output end of motor 9, and motor 9 is fixedly mounted
On the right surface of drive case 1, the right end of turntable 6 is internally provided with the first accommodating groove 10, and the inside peace of the first accommodating groove 10
Right side equipped with the second pushing block 11, and the second pushing block 11 is fixedly installed with limit shaft 12, the fixed peace in the left side of the second pushing block 11
Equipped with connecting spring 13, and the left end of connecting spring 13 is located at the inside of the second accommodating groove 14, and the second accommodating groove 14 is arranged
Bolt 15 is installed on the inside of turntable 6, the second pushing block 11, and bolt 15 connects through the second pushing block 11 with 16 screw thread of screw hole
It connects, and the inside of turntable 6 is arranged in screw hole 16, bolt 15 passes through link slot 17, and link slot 17 is provided with the top of turntable 6
Face, the top surface of turntable 6 is equipped with support frame 18, and the top of support frame 18 is connect with 19 bearing of gun barrel main body, and gun barrel master
Hydraulic stem 20 is connected between body 19 and support frame 18.
Bottom plate 2 includes antiskid plate 21, reset spring 22, the first pushing block 23 and support shaft 24, and the inside of bottom plate 2 is equipped with
Antiskid plate 21, and the top surface of antiskid plate 21 is fixedly installed with reset spring 22, top and the drive case 1 of reset spring 22
Bottom surface is fixedly connected, and reset spring 22 is located at the inside of bottom plate 2, and the top surface of antiskid plate 21 and the first pushing block 23 are connected with each other,
And first pushing block 23 be fixedly mounted on the outside of support shaft 24, and support shaft 24 passes through bottom plate 2, is conducive to follow-up work personnel
Work is put to drive case 1, increases stability of the device for reducing dust when carrying out work operating, reduction is voluntarily slided
The phenomenon that.
Antiskid plate 21 constitutes stretching structure, and the company of antiskid plate 21 and the first pushing block 23 by reset spring 22 and bottom plate 2
Connecing mode is to be fitted and connected, and the side view of the first pushing block 23 is drops, and the connection type of bottom plate 2 and support shaft 24 is screw thread
Connection, staff make support shaft 24 that the first pushing block 23 be driven to be rotated, to make by the rotation to support shaft 24 manually
First pushing block 23 squeeze to antiskid plate 21 and be pushed the work forward, and is glided and ground face contact convenient for antiskid plate 21, while bottom plate 2 and branch
The threaded connection between axis 24 is supportted, the first pushing block 23 is avoided voluntarily to occur to turn round work, increases antiskid plate 21 and ground face contact
Stationarity.
Plectane 4 constitutes slide construction by the first ball 5 and retaining collar 3, and the diameter of plectane 4 is less than the straight of turntable 6
Diameter is conducive to turntable 6 by plectane 4 and carries out stable rotary work on retaining collar 3, while the first ball 5 is effectively kept away
Exempt from the phenomenon that teetertotters between plectane 4 and retaining collar 3.
Connection gear 7 includes the second ball 71 and limit hole 72, and connection gear 7 passes through the second ball 71 and 6 phase of turntable
It connects, and offers limit hole 72 on the inner wall of connection gear 7, limit hole 72 and limit shaft 12 are connected with each other, convenient for connecting
The subsequent work of gear 7 operating is connect, staff is facilitated to work the device for reducing dust subsequent operation.
Connection gear 7 constitutes rotational structure with turntable 6 by the second ball 71, and 7 spaced at equal angles around of connection gear has
Limit hole 72 is conducive to during being not limited between connection gear 7 and turntable 6, turntable 6 can in connection gear 7 into
Row rotation, the work manually adjusted convenient for staff.
Second pushing block 11 constitutes stretching structure, and the height of the second pushing block 11 by connecting spring 13 and the first accommodating groove 10
Greater than the height of the second accommodating groove 14, and the limit shaft 12 on the second pushing block 11 and turntable 6 constitute slide construction, limit shaft 12
Connection type with limit hole 72 is to be connected together, and is conducive to the second pushing block 11 by sliding and drives limit shaft 12 and limit hole 72
Mask work is carried out, to carry out releasing work, while the bullet of connecting spring 13 to the positioning between connection gear 7 and turntable 6
Power facilitates the reset work of subsequent limit shaft 12.
Bolt 15 is to be threadedly coupled, and bolt 15 passes through link slot 17 and 6 structure of turntable with the connection type of the second pushing block 11
At slide construction, staff can be such that bolt 15 is rotated on the second pushing block 11 by the rotary work to bolt 15
The work for rising or declining, while by the pulling to bolt 15, so that bolt 15 is carried out sliding work by link slot 17, is convenient for
The second pushing block 11 is driven to carry out sliding work.
Hydraulic stem 20 constitutes rotational structure, and the company of support frame 18 and turntable 6 with gun barrel main body 19 and support frame 18 respectively
Mode is connect to be welded to connect, is conducive to follow-up work personnel by stirring to support frame 18, carries out the work of manual angle adjusting
Make.
The working principle of the present embodiment: when using the construction device for reducing dust of the automatic adjustment angle, according to figure
1-2 and Fig. 5-6, after drive case 1 is moved to suitable position by the pulley of bottom by staff, manually to support shaft
24 are rotated, and support shaft 24 is made to carry out screw thread rotation work on a base plate 2, thus make support shaft 24 drive the first pushing block 23 into
Row rotation, then the first pushing block 23 carries out antiskid plate 21 to push down on work, is fitted and connected antiskid plate 21 with ground, increases
Stability when drive case 1 is put, while antiskid plate 21 drives reset spring 22 to carry out drawing work.
According to Fig. 1-2 and Fig. 4, start after motor 9 is then connected extraneous power supply by power supply line, keeps motor 9 logical
Gear 8 of overdriving drives connection gear 7 to carry out rotary work, so that connection gear 7 be made to drive turntable 6 to pass through by limit shaft 12
Plectane 4 and the first ball 5 are rotated on retaining collar 3, and then turntable 6 drives gun barrel main body 19 to carry out by support frame 18
Rotation work, while work can be adjusted to the angle position of gun barrel main body 19 in hydraulic stem 20, be convenient for subsequent gun barrel main body 19
Sprinkling work is carried out by the control of drive case 1, the convenient depositing dust in building construction process works.
According to Fig. 1-4, when staff is not necessarily to carry out rotation angular adjustment to gun barrel main body 19 by the driving of motor 9,
Rotary work can be carried out to bolt 15 manually, so that bolt 15 is carried out rotation on the second pushing block 11 and rise work, to make bolt
15 carry out rotating separation work with screw hole 16, then carry out pulling work to bolt 15 manually, and bolt 15 is made to pass through link slot 17
Sliding work is carried out on turntable 6, thus make bolt 15 that the second pushing block 11 be driven to carry out sliding work in the first accommodating groove 10,
Second pushing block 11 pushes connecting spring 13 to be collapsible into the second accommodating groove 14, while the second pushing block 11 drives limit shaft 12 and limit
Hole 72 carries out sliding mask work, and then staff can make support frame 18 drive turntable 6 logical by stirring to support frame 18
It crosses plectane 4 and the first ball 5 is rotated on retaining collar 3, so that the rotation angle to gun barrel main body 19 is adjusted manually
Work is saved, then bolt 15 is loosened manually, to make bullet of the limit shaft 12 by connecting spring 13 to the second pushing block 11
It pushes to move and carries out reset work, the work that is fixed is carried out with limit hole 72 again convenient for limit shaft 12, then manually to bolt
15 are rotated, and bolt 15 is made to carry out rotation decline work on the second pushing block 11, thus make in 15 precession screw hole 16 of bolt into
The fixed work of row.
According to Fig. 1-4, when needing to carry out when manually adjusting work of duration to gun barrel main body 19, according to above-mentioned principle,
Carry out pulling work after rotating manually to bolt 15, make bolt 15 by the second pushing block 11 drive limit shaft 12 and limit hole 72 into
Row mask work, the then rotation to bolt 15 manually make bolt 15 carry out rotation decline work on the second pushing block 11, thus
Make that work is fixed in another screw hole 16 of 15 precession of bolt, then staff can be either manually or by dialling to support frame 18
It is dynamic, make support frame 18 that gun barrel main body 19 be driven to carry out rotary work, drive case 1, motor 9, gun barrel main body 19 and hydraulic stem 20
For known and existing technology in the market, it is not described in detail herein, to complete a series of activities.
Above-described embodiment is intended merely to interpretation purposes of the invention, and is not limitation of the present invention, this technology
The those of ordinary skill in field makes a variety of changes or substitutes within the essential scope of the present invention, also should belong to guarantor of the invention
Protect scope.
Claims (9)
1. a kind of construction device for reducing dust for automatically adjusting angle, including drive case (1), motor (9), gun barrel main body
(19) and hydraulic stem (20), it is characterised in that: the bottom surface of the drive case (1) is fixedly installed with bottom plate (2), and drive case
(1) right end top surface is fixedly installed with retaining collar (3), and the inside of retaining collar (3) is equipped with plectane (4), the circle
Plate (4) is connected with each other by the first ball (5) and retaining collar (3), and the top surface of plectane (4) is fixedly installed with turntable (6), and
And connection gear (7) are installed on the outside of turntable (6), the right side engagement of the connection gear (7) is connected with driving gear (8),
And driving gear (8) is mounted on the output end of motor (9), and motor (9) is fixedly mounted on the right surface of drive case (1),
The right end of the turntable (6) is internally provided with the first accommodating groove (10), and the inside of the first accommodating groove (10) is equipped with second and pushes away
Block (11), and limit shaft (12) are fixedly installed on the right side of the second pushing block (11), the left side of second pushing block (11) is fixed
It is equipped with connecting spring (13), and the left end of connecting spring (13) is located at the inside of the second accommodating groove (14), and the second storage
Slot (14) setting is equipped with bolt (15) on the inside of turntable (6), second pushing block (11), and bolt (15) runs through second
Pushing block (11) is threadedly coupled with screw hole (16), and screw hole (16) setting, in the inside of turntable (6), the bolt (15), which passes through, to be connected
Access slot (17), and link slot (17) is provided with the top surface of turntable (6), the top surface of the turntable (6) is equipped with support frame (18), and
The top of support frame (18) is connect with gun barrel main body (19) bearing, and is connected between gun barrel main body (19) and support frame (18)
Hydraulic stem (20).
2. a kind of construction device for reducing dust for automatically adjusting angle according to claim 1, it is characterised in that: described
Bottom plate (2) includes antiskid plate (21), reset spring (22), the first pushing block (23) and support shaft (24), and the inside of bottom plate (2) is pacified
Top surface equipped with antiskid plate (21), and antiskid plate (21) is fixedly installed with reset spring (22), the reset spring (22)
Top is fixedly connected with the bottom surface of drive case (1), and reset spring (22) is located at the inside of bottom plate (2), the antiskid plate
(21) top surface and the first pushing block (23) is connected with each other, and the first pushing block (23) is fixedly mounted on the outside of support shaft (24), and
And support shaft (24) passes through bottom plate (2).
3. a kind of construction device for reducing dust for automatically adjusting angle according to claim 2, it is characterised in that: described
Antiskid plate (21) constitutes stretching structure, and antiskid plate (21) and the first pushing block (23) by reset spring (22) and bottom plate (2)
Connection type is to be fitted and connected, and the side view of the first pushing block (23) is drops, the company of the bottom plate (2) and support shaft (24)
Mode is connect to be threadedly coupled.
4. a kind of construction device for reducing dust for automatically adjusting angle according to claim 1, it is characterised in that: described
Plectane (4) constitutes slide construction by the first ball (5) and retaining collar (3), and the diameter of plectane (4) is less than turntable (6)
Diameter.
5. a kind of construction device for reducing dust for automatically adjusting angle according to claim 1, it is characterised in that: described
Connection gear (7) includes the second ball (71) and limit hole (72), and connection gear (7) passes through the second ball (71) and turntable
(6) it is connected with each other, and offers limit hole (72) on the inner wall of connection gear (7), the limit hole (72) and limit shaft
(12) it is connected with each other.
6. a kind of construction device for reducing dust for automatically adjusting angle according to claim 5, it is characterised in that: described
Connection gear (7) constitutes rotational structure by the second ball (71) and turntable (6), and connection gear (7) spaced at equal angles around has
Limit hole (72).
7. a kind of construction device for reducing dust for automatically adjusting angle according to claim 5, it is characterised in that: described
Second pushing block (11) constitutes stretching structure, and the height of the second pushing block (11) by connecting spring (13) and the first accommodating groove (10)
Limit shaft (12) and turntable (6) greater than the height of the second accommodating groove (14), and on the second pushing block (11) constitute slide construction,
The connection type of the limit shaft (12) and limit hole (72) is to be connected together.
8. a kind of construction device for reducing dust for automatically adjusting angle according to claim 1, it is characterised in that: described
Bolt (15) is to be threadedly coupled, and bolt (15) passes through link slot (17) and turntable (6) with the connection type of the second pushing block (11)
Constitute slide construction.
9. a kind of construction device for reducing dust for automatically adjusting angle according to claim 1, it is characterised in that: described
Hydraulic stem (20) constitutes rotational structure, and support frame (18) and turntable (6) with gun barrel main body (19) and support frame (18) respectively
Connection type is to be welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839485.6A CN110468769A (en) | 2019-09-06 | 2019-09-06 | A kind of construction device for reducing dust automatically adjusting angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839485.6A CN110468769A (en) | 2019-09-06 | 2019-09-06 | A kind of construction device for reducing dust automatically adjusting angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110468769A true CN110468769A (en) | 2019-11-19 |
Family
ID=68515024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910839485.6A Withdrawn CN110468769A (en) | 2019-09-06 | 2019-09-06 | A kind of construction device for reducing dust automatically adjusting angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468769A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550369A (en) * | 2020-05-25 | 2020-08-18 | 杨克瑞 | Multi-angle rotating wind power generation device |
| CN111544985A (en) * | 2020-04-15 | 2020-08-18 | 陈海涛 | Environment-friendly dust falling device and dust falling method for construction site |
| CN112604428A (en) * | 2020-12-09 | 2021-04-06 | 安徽鼎顺建筑工程有限公司 | Dust device is used in house construction |
| CN112999800A (en) * | 2021-02-27 | 2021-06-22 | 安徽同建建设集团有限公司 | House building construction dust removal structure and construction method thereof |
-
2019
- 2019-09-06 CN CN201910839485.6A patent/CN110468769A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544985A (en) * | 2020-04-15 | 2020-08-18 | 陈海涛 | Environment-friendly dust falling device and dust falling method for construction site |
| CN111550369A (en) * | 2020-05-25 | 2020-08-18 | 杨克瑞 | Multi-angle rotating wind power generation device |
| CN112604428A (en) * | 2020-12-09 | 2021-04-06 | 安徽鼎顺建筑工程有限公司 | Dust device is used in house construction |
| CN112999800A (en) * | 2021-02-27 | 2021-06-22 | 安徽同建建设集团有限公司 | House building construction dust removal structure and construction method thereof |
| CN112999800B (en) * | 2021-02-27 | 2022-04-08 | 安徽同建建设集团有限公司 | House building construction dust removal structure and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191119 |