CN109351095A - A kind of construction site device for reducing dust - Google Patents
A kind of construction site device for reducing dust Download PDFInfo
- Publication number
- CN109351095A CN109351095A CN201811532294.7A CN201811532294A CN109351095A CN 109351095 A CN109351095 A CN 109351095A CN 201811532294 A CN201811532294 A CN 201811532294A CN 109351095 A CN109351095 A CN 109351095A
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- motion bar
- fixedly installed
- water
- pipe
- pedestal
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention relates to technical field of building construction, and disclose a kind of construction site device for reducing dust, including pedestal, one end of the pedestal is fixedly installed with pushing hands, and the bottom of pedestal is movably installed with symmetrical idler wheel, the base top is fixedly installed with water tank close to the side of pushing hands, and the side of the water tank is fixedly installed with water pipe tank, the inside of the water pipe tank is placed with water receiving water pipe, and one end of the water receiving water pipe and one end of steel pipe penetrate through and connect.Construction site construction site device for reducing dust, pass through being used cooperatively for hydraulic stem, loose collar, fixed link, baffle, fixed plate, the first motion bar and the second motion bar, make hydraulic stem that loose collar be driven to go up and down in fixed link, the first motion bar and the second motion bar is driven to move, move the first communicating pipe and the second communicating pipe, to change the angle of first spray head and second spray head, depositing dust is carried out to the building site of different range, improves practicability.
Description
Technical field
The present invention relates to technical field of building construction, specially a kind of construction site construction site device for reducing dust.
Background technique
Atomizing de-dusting is a kind of novel dust-settling technology, and principle is to utilize the particle generated by spraying, since its is tiny, table
Face tension is substantially zero, and is sprayed onto air all size dust granule that can be adsorbed rapidly in air, so that dirt is effectively controlled,
There is good effect to the depositing dust of large-scale open range, while this effect is entirely a kind of atomizing effect, never generation water droplet
And humidity.
Current building site device for reducing dust carries out depositing dust generally by atomizing de-dusting vehicle, but it can only be directed to a side
To progress depositing dust, and when construction site is larger, the dust-laying effect of construction site not can guarantee, meanwhile, when constructing beginning,
The sundries such as sawdust, powder are easy to produce, if handling not in time, the dust content in building site can increase again, in addition, existing depositing dust
Equipment adds water process cumbersome, and the operating time is longer, results in the growth of depositing dust working time, affects the efficiency of depositing dust, thus
The present invention provides a kind of construction site construction site device for reducing dust.
Summary of the invention
The present invention provides a kind of construction site construction site device for reducing dust, have and drop to the building site of different range
Dirt carries out depositing dust convenient for internal on construction ground, is convenient for the advantages of adding water, it is usually logical for solving current building site device for reducing dust
Atomizing de-dusting vehicle is crossed to carry out depositing dust, but it can only carry out depositing dust for a direction, and when construction site is larger, nothing
Method guarantees the dust-laying effect of construction site, meanwhile, when constructing beginning, the sundries such as sawdust, powder are easy to produce, if locating not in time
It manages, the dust content in building site can increase again, in addition, existing dust falling device adds water process cumbersome, the operating time is longer, causes
The growth of depositing dust working time, the problem of influencing dustfall efficiency.
The invention provides the following technical scheme: a kind of construction site device for reducing dust, including pedestal, one end of the pedestal are solid
Dingan County is equipped with pushing hands, and the bottom of pedestal is movably installed with symmetrical idler wheel, and the base top is close to the side of pushing hands
It is fixedly installed with water tank, the side of the water tank is fixedly installed with water pipe tank, and the inside of the water pipe tank is placed with water receiving
Water pipe, one end of the water receiving water pipe and one end of steel pipe penetrate through and connect, and the other end of the steel pipe runs through the top of water pipe tank
And penetrate through and connect with the side of water tank, and one end of steel pipe is fixedly installed with water valve, the side of the water tank is fixedly mounted
There is support plate, the side of the support plate bottom end is fixedly connected with one end of support rod, the fixed peace of the other end of the support rod
On pedestal, the inside of the support plate is fixedly installed with connecting tube, and one end of the connecting tube and the side of water tank are passed through
Lead to and connect, and the other end of connecting tube penetrates through with one end of the first telescoping tube and the second telescoping tube connect respectively, described first stretches
The other end of the draw and the second telescoping tube runs through connecting plate and connecting rod and penetrates through respectively with the first communicating pipe and the second communicating pipe
Connection, first communicating pipe and the second communicating pipe connect with first spray head and second spray head perforation respectively, and the first communicating pipe
It is movably arranged on the two sides of fixed plate respectively with the second communicating pipe, is fixedly installed with fixed link in the middle part of the fixed plate top,
The top of the fixed link is fixedly installed with baffle, and the two sides of the baffle bottom are fixedly installed with hydraulic stem respectively and stretch
One end of bar, the hydraulic stem and telescopic rod is fixedly connected with the two sides at the top of loose collar respectively, the two sides point of the loose collar
It is not flexibly connected with one end of the first motion bar and the second motion bar, the other end point of first motion bar and the second motion bar
Not with the first communicating pipe and second communicating pipe top middle part be flexibly connected, the external activity of the telescopic rod is socketed with spring,
The middle part of the connecting plate and the threaded one end of threaded rod are socketed, and the other end of the threaded rod runs through support plate and retarder simultaneously
It is fixedly connected with the output end of motor, the bottom of the motor is fixedly mounted on pedestal, and the top of the pedestal is fixedly mounted
There are the power supply between water tank and motor, the top of the threaded rod and the middle part pivot bush unit of limit plate bottom end, it is described
The side of limit plate bottom is fixedly installed with gag lever post.
Preferably, the inside of the water tank is fixedly installed with high-pressure pump, and the high-pressure pump inside water tank and power supply electricity
It connects, offers opening at the top of the water tank, and the open-topped threaded one end of water tank is socketed with sealing cover.
Preferably, the side of the water pipe tank is movably installed with chamber door, and the external of water pipe tank side chamber door is fixedly mounted
There is handle.
Preferably, the maximal tensility of first telescoping tube and the second telescoping tube is greater than the length value of threaded rod, and the
Distance values between one telescoping tube and the second telescoping tube are greater than the length value of limit plate.
Preferably, through-hole is offered in the middle part of the loose collar, and be movably installed with cunning on the inside of loose collar middle through-hole
It takes turns, the through-hole in the middle part of the loose collar is not contacted with fixed link.
Preferably, first motion bar and the second motion bar pass through removable pin respectively and are connected to the first communicating pipe, second
Pipe and loose collar are flexibly connected, and the length value of the first motion bar and the second motion bar is identical.
Preferably, the length value of the threaded rod be less than connecting rod length value, and threaded rod connect with limit plate one
End fixing sleeve is connected to bearing.
Preferably, the bottom of the motor is fixedly installed with buffer board, and the buffer board of motor bottom passes through buffer spring
It is fixedly connected at the top of pedestal.
Preferably, the quantity of the gag lever post be two, and two gag lever posts respectively with the bottom of limit plate and support plate
Top be fixedly connected, one end of two gag lever posts respectively with the two sides pivot bush unit of connecting plate.
The present invention have it is following the utility model has the advantages that
1, construction site construction site device for reducing dust, passes through hydraulic stem, loose collar, fixed link, baffle, fixed plate, first
Motion bar and the second motion bar are used cooperatively, and make hydraulic stem that loose collar be driven to go up and down in fixed link, drive the first motion bar
It is moved with the second motion bar, moves the first communicating pipe and the second communicating pipe, to change the angle of first spray head and second spray head
Degree carries out depositing dust to the building site of different range, improves practicability.
2, construction site construction site device for reducing dust, passes through the cooperation of pushing hands, pedestal, idler wheel, water tank and power supply
It uses, reduces the volume of device for reducing dust, so that staff can push pushing hands manually, keep device interior on construction ground
Back and forth, depositing dust is carried out to construction site, while when staff's fatigue, pushing hands can be fixed on tool car with chain,
Reduce the workload of staff.
3, construction site construction site device for reducing dust, is made by the cooperation of water pipe tank, water receiving water pipe, steel pipe and water valve
With, when needing to shift arbitrarily plus at water shaft into water tank plus when water, open the chamber door of water pipe tank, by water receiving water pipe with
It is connected at water receiving, opens water valve and tap respectively, the purpose for adding water into water tank can be realized, facilitate staff's
Water conservancy project is added to make.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention fixed plate schematic side view；
Fig. 3 is structure of the invention water pipe tank schematic cross-sectional view；
Fig. 4 is structure of the invention loose collar schematic diagram；
Fig. 5 is structure of the invention fixed plate schematic top plan view；
Fig. 6 is structure of the invention motor schematic diagram.
In figure: 1, pedestal；2, pushing hands；3, idler wheel；4, water tank；5, water pipe tank；6, water receiving water pipe；7, steel pipe；8, water valve；
9, support plate；10, support rod；11, connecting tube；12, the first telescoping tube；13, the second telescoping tube；14, connecting plate；15, connecting rod；
16, the first communicating pipe；17, the second communicating pipe；18, first spray head；19, second spray head；20, fixed plate；21, fixed link；22, it keeps off
Plate；23, hydraulic stem；24, telescopic rod；25, loose collar；26, the first motion bar；27, the second motion bar；28, spring；29, screw thread
Bar；30, retarder；31, motor；32, power supply；33, limit plate；34, gag lever post.
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.
It please refers to Fig. 1-6, a kind of construction site device for reducing dust, including pedestal 1, one end of pedestal 1 and is fixedly installed with pushing hands
2, and the bottom of pedestal 1 is movably installed with symmetrical idler wheel 3,1 top of pedestal is fixedly installed with storage close to the side of pushing hands 2
Water tank 4, the inside of water tank 4 is fixedly installed with high-pressure pump, and the high-pressure pump inside water tank 4 is electrically connected with power supply 32, water storage
The top of case 4 offers opening, and the open-topped threaded one end of water tank 4 is socketed with sealing cover, inside water tank 4
High-pressure pump supplies water to first spray head 18 and second spray head 19, while using opening, so that staff is convenient for into water tank 4
Dustfall agent is added, the side of water tank 4 is fixedly installed with water pipe tank 5, and the side of water pipe tank 5 is movably installed with chamber door, and water pipe
The outside of 5 side chamber door of case is fixedly installed with handle, by water pipe tank 5, when not in use prevents water receiving water pipe 6 in water pipe tank
In 5, when it is desired to be used, chamber door is opened, one end of water receiving water pipe 6 is installed at water receiving, facilitates staff to water storage
Inside case 4 plus water, the inside of water pipe tank 5 is placed with water receiving water pipe 6, and one end of water receiving water pipe 6 and one end of steel pipe 7 penetrate through and connect
It connects, the other end of steel pipe 7, which runs through the top of water pipe tank 5 and penetrates through with the side of water tank 4, to be connected, and one end of steel pipe 7 is fixed
Water valve 8 is installed, the side of water tank 4 is fixedly installed with support plate 9, the side of 9 bottom end of support plate and one end of support rod 10
It is fixedly connected, the other end of support rod 10 is fixedly mounted on pedestal 1, and the inside of support plate 9 is fixedly installed with connecting tube 11, even
One end of adapter tube 11 and the side of water tank 4, which penetrate through, to be connected, and the other end of connecting tube 11 respectively with the first telescoping tube 12 and the
One end of two telescoping tubes 13, which penetrates through, to be connected, and the maximal tensility of the first telescoping tube 12 and the second telescoping tube 13 is greater than threaded rod 29
Length value, and the distance values between the first telescoping tube 12 and the second telescoping tube 13 are greater than the length value of limit plate 33, pass through first
Telescoping tube 12 and the second telescoping tube 13, ensure that the ascending amount of baffle 22, while it is flexible to avoid the first telescoping tube 12 and second
Pipe 13 collides with limit plate 33, and the other end of the first telescoping tube 12 and the second telescoping tube 13 runs through connecting plate 14 and connecting rod
15 and connected respectively with the first communicating pipe 16 and the perforation of the second communicating pipe 17, the first communicating pipe 16 and the second communicating pipe 17 respectively with
First spray head 18 and the perforation connection of second spray head 19, and the first communicating pipe 16 and the second communicating pipe 17 are movably arranged on fixation respectively
The two sides of plate 20 are fixedly installed with fixed link 21 in the middle part of 20 top of fixed plate, and the top of the fixed link 21 is fixedly installed with
Baffle 22, the two sides of 22 bottom of baffle are fixedly installed with hydraulic stem 23 and telescopic rod 24 respectively, hydraulic stem 23 and telescopic rod 24
One end is fixedly connected with the two sides at 25 top of loose collar respectively, and the middle part of loose collar 25 offers through-hole, and 25 middle part of loose collar
Pulley is movably installed on the inside of through-hole, the through-hole at 25 middle part of loose collar is not contacted with fixed link 21, by loose collar 25, makes liquid
Compression bar 23 work when, drive loose collar 25 move, while using 25 middle through-hole side of loose collar pulley, make loose collar 25 with
Rolling friction is changed into the sliding friction of fixed link 21, to reduce resistance when loose collar 25 moves, the two sides of loose collar 25
It is flexibly connected respectively with one end of the first motion bar 26 and the second motion bar 27, the first motion bar 26 and the second motion bar 27 difference
It is flexibly connected by removable pin with the first communicating pipe 16, the second communicating pipe 17 and loose collar 25, and the first motion bar 26 and second
The length value of motion bar 27 is identical, passes through the first motion bar 26 and the second motion bar 27, when rising or falling loose collar 25, band
One end of dynamic first spray head 18 and second spray head 19 rotates in vertical direction, to change first spray head 18 and second spray head 19
Spraying range, the other end of the first motion bar 26 and the second motion bar 27 respectively with the first communicating pipe 16 and the second communicating pipe 17
The middle part on top is flexibly connected, and the external activity of telescopic rod 24 is socketed with spring 28, middle part and the threaded rod 29 of connecting plate 14
Threaded one end socket, the length value of threaded rod 29 be less than the length value of connecting rod 15, and threaded rod 29 is connect with limit plate 33
One end fixing sleeve is connected to bearing, by the rotation of threaded rod 29, rises or falls connecting plate 14, to be made by connecting rod 15
Baffle 22 rises or falls, and first spray head 18 and second spray head 19 is allowed to carry out depositing dust to the construction site of different range,
The other end of threaded rod 29 is through support plate 9 and retarder 30 and is fixedly connected with the output end of motor 31, the bottom of motor 31
It is fixedly installed with buffer board, and the buffer board of 31 bottom of motor is fixedly connected by buffer spring with the top of pedestal 1, and electricity is passed through
Machine 31 drives threaded rod 29 to rotate, so that connecting plate 14 be made to go up and down, while utilizing the buffer board and buffering elastic of 31 bottom of motor
Spring, the vibration generated when working motor 31 buffers, to reduce the vibration of pedestal 1, keeps staff preferably logical
It crosses pushing hands 2 and pushes device for reducing dust, the bottom of motor 31 is fixedly mounted on pedestal 1, and the top of pedestal 1, which is fixedly installed with, is located at storage
Power supply 32 between water tank 4 and motor 31, the top of threaded rod 29 and the middle part pivot bush unit of 33 bottom end of limit plate, limit plate 33
The side of bottom is fixedly installed with gag lever post 34, and the quantity of gag lever post 34 is two, and two gag lever posts 34 respectively with limit plate
33 bottom is fixedly connected with the top of support plate 9, one end of two gag lever posts 34 respectively with the two sides movable sleeve of connecting plate 14
It connects, using gag lever post 34, is defined the lifting of connecting plate 14 in a certain range, while ensure that connecting plate 14 does lifting fortune
Stability when dynamic, to improve the reasonability of device for reducing dust.
Working principle makes device for reducing dust is interior on construction ground to move back and forth firstly, staff pushes pushing hands 2, meanwhile,
Power supply 32 is powered the high-pressure pump inside water tank 4, makes the water inside water tank 4 by connecting tube 11, the first telescoping tube
12, after the second telescoping tube 13, the first communicating pipe 16 and the second communicating pipe 17, first spray head 18 and second spray head 19 are reached, thus
Depositing dust is carried out to building site, when needing to change spraying altitude, motor 31 is started to work, and is driven threaded rod 29 to rotate, is made connecting plate
14 rise or fall, and drive connecting rod 15 and fixed plate 20 to rise or fall, to change first spray head 18 and second spray head 19
Height, when needing to carry out depositing dust to the building site of different range, hydraulic stem 23 is started to work, and drives loose collar 25 in fixed link
It is gone up and down on 21, so that the lifting of one end of the first motion bar 26 and the second motion bar 27 is driven, so that the first communicating pipe 16 and second
One end of communicating pipe 17 is gone up and down, and then moves first spray head 18 and second spray head 19 in vertical direction, to different range
Building site carries out depositing dust, and when needing to add water, pushing meanss are reached at water receiving, the chamber door of water pipe tank 5 is opened, by water receiving water pipe 6
One end is connected at water receiving, then opens water valve 8, and after terminating plus water conservancy project makees, water receiving water pipe 6 is withdrawn water pipe tank 5.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of construction site device for reducing dust, including pedestal (1) etc., it is characterised in that: one end of the pedestal (1) is fixedly mounted
Have pushing hands (2), and the bottom of pedestal (1) is movably installed with symmetrical idler wheel (3), close to pushing hands at the top of the pedestal (1)
(2) side is fixedly installed with water tank (4), and the side of the water tank (4) is fixedly installed with water pipe tank (5), the water pipe
The inside of case (5) is placed with water receiving water pipe (6), and one end of the water receiving water pipe (6) and the one end of steel pipe (7) penetrate through and connect, institute
The other end for stating steel pipe (7), which runs through the top of water pipe tank (5) and penetrates through with the side of water tank (4), to be connected, and the one of steel pipe (7)
End is fixedly installed with water valve (8), and the side of the water tank (4) is fixedly installed with support plate (9), support plate (9) bottom end
Side be fixedly connected with one end of support rod (10), the other end of the support rod (10) is fixedly mounted on pedestal (1), institute
The inside for stating support plate (9) is fixedly installed with connecting tube (11), and one end of the connecting tube (11) and the side of water tank (4) are passed through
Lead to and connect, and the other end of connecting tube (11) penetrates through with one end of the first telescoping tube (12) and the second telescoping tube (13) connect respectively
It connects, the other end of first telescoping tube (12) and the second telescoping tube (13) is through connecting plate (14) and connecting rod (15) and difference
It is connected with the first communicating pipe (16) and the second communicating pipe (17) perforation, first communicating pipe (16) and the second communicating pipe (17) point
It is not connected with first spray head (18) and second spray head (19) perforation, and the first communicating pipe (16) and the second communicating pipe (17) live respectively
The two sides for being mounted on fixed plate (20) are moved, are fixedly installed with fixed link (21) in the middle part of fixed plate (20) top, it is described solid
The top of fixed pole (21) is fixedly installed with baffle (22), and the two sides of baffle (22) bottom are fixedly installed with hydraulic stem respectively
(23) and telescopic rod (24), one end of the hydraulic stem (23) and telescopic rod (24) is solid with the two sides at the top of loose collar (25) respectively
Fixed connection, the two sides of the loose collar (25) connect with one end activity of the first motion bar (26) and the second motion bar (27) respectively
Connect, the other end of first motion bar (26) and the second motion bar (27) respectively with the first communicating pipe (16) and the second communicating pipe
(17) middle part on top is flexibly connected, and the external activity of the telescopic rod (24) is socketed with spring (28), the connecting plate (14)
Middle part and the threaded one end of threaded rod (29) be socketed, the other end of the threaded rod (29) runs through support plate (9) and retarder
(30) and with the output end of motor (31) it is fixedly connected, the bottom of the motor (31) is fixedly mounted on pedestal (1), the bottom
The power supply (32) being fixedly installed at the top of seat (1) between water tank (4) and motor (31), the top of the threaded rod (29)
The side of the middle part pivot bush unit in portion and limit plate (33) bottom end, limit plate (33) bottom is fixedly installed with gag lever post
(34)；
First motion bar (26) and the second motion bar (27) are connected to by removable pin with the first communicating pipe (16), second respectively
It manages (17) and loose collar (25) is flexibly connected, and the first motion bar (26) is identical with the length value of the second motion bar (27).
2. a kind of construction site device for reducing dust according to claim 1, it is characterised in that: the length of the threaded rod (29)
Value is less than the length value of connecting rod (15), and one end fixing sleeve that threaded rod (29) is connect with limit plate (33) is connected to bearing.
3. a kind of construction site device for reducing dust according to claim 1, it is characterised in that: the bottom of the motor (31) is solid
Dingan County is equipped with buffer board, and the buffer board of motor (31) bottom at the top of buffer spring and pedestal (1) by being fixedly connected.
4. a kind of construction site device for reducing dust according to claim 1, it is characterised in that: the quantity of the gag lever post (34)
It is two, and two gag lever posts (34) are fixedly connected at the top of the bottom of limit plate (33) and support plate (9) respectively, two institutes
State one end of gag lever post (34) two sides pivot bush unit with connecting plate (14) respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532294.7A CN109351095B (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
| CN202010972293.5A CN112057991A (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532294.7A CN109351095B (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972293.5A Division CN112057991A (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109351095A true CN109351095A (en) | 2019-02-19 |
| CN109351095B CN109351095B (en) | 2020-12-08 |
Family
ID=65328829
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972293.5A Withdrawn CN112057991A (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
| CN201811532294.7A Active CN109351095B (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972293.5A Withdrawn CN112057991A (en) | 2018-12-14 | 2018-12-14 | Dust device for construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112057991A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112191048A (en) * | 2020-09-01 | 2021-01-08 | 合肥常青机械股份有限公司 | Welding smoke dust adsorption device for automobile welding and using method thereof |
| CN112281616A (en) * | 2020-10-08 | 2021-01-29 | 陈光跃 | Pavement crusher |
| CN112642608A (en) * | 2020-12-21 | 2021-04-13 | 天长市市政建筑有限责任公司 | Heatstroke prevention spraying device for building roof construction |
| CN112973341A (en) * | 2021-03-01 | 2021-06-18 | 商丘工学院 | Dust removal spray set for safety engineering management |
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| CN207342414U (en) * | 2017-10-23 | 2018-05-11 | 四川建筑职业技术学院 | A kind of architectural engineering dust-extraction unit |
| CN108379973A (en) * | 2018-03-12 | 2018-08-10 | 赣州牛研科技有限公司 | Use depositing dust machine to a kind of construction of hydro project |
| CN108221822A (en) * | 2018-03-17 | 2018-06-29 | 姚福泉 | A kind of earthwork device for reducing dust for construction building site |
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| CN112191048A (en) * | 2020-09-01 | 2021-01-08 | 合肥常青机械股份有限公司 | Welding smoke dust adsorption device for automobile welding and using method thereof |
| CN112281616A (en) * | 2020-10-08 | 2021-01-29 | 陈光跃 | Pavement crusher |
| CN112642608A (en) * | 2020-12-21 | 2021-04-13 | 天长市市政建筑有限责任公司 | Heatstroke prevention spraying device for building roof construction |
| CN112973341A (en) * | 2021-03-01 | 2021-06-18 | 商丘工学院 | Dust removal spray set for safety engineering management |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112057991A (en) | 2020-12-11 |
| CN109351095B (en) | 2020-12-08 |
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