CN214287275U - High-efficient building site dust device - Google Patents
High-efficient building site dust device Download PDFInfo
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- CN214287275U CN214287275U CN202022462448.9U CN202022462448U CN214287275U CN 214287275 U CN214287275 U CN 214287275U CN 202022462448 U CN202022462448 U CN 202022462448U CN 214287275 U CN214287275 U CN 214287275U
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Abstract
The utility model discloses a high-efficient building site dust device, including the fog big gun machine, the atomizing nozzle of fog big gun machine is ultrasonic nebulizer. The problems that the atomization degree is low, the working effect is poor, and muddy water is easily formed by spraying on a sandy soil ground in the prior art are solved; if the high-pressure water nozzle is used for enhancing the atomization degree, the high-pressure water nozzle is easy to burst.
Description
Technical Field
The utility model relates to a fog gun machine technical field especially relates to a high-efficient building site dust device.
Background
A fog gun is a device for producing water mist, and the produced water mist is often used for dust fall in a construction site. The existing fog gun machine is an air-assisted fog gun machine, the air-assisted fog gun machine firstly sends high-pressure water into an atomizing nozzle, the atomizing nozzle crushes water moving at high speed into fine water drops, and then the water drops generated by spraying water from the nozzle through a fan are blown to a distance through wind power, and the fog gun machine has the following defects in use: the sprayed water is small water drops instead of more refined water mist, the atomization degree is low, the working effect is poor, and muddy water is easily formed by spraying on the sandy soil ground; if the high-pressure water nozzle is used for enhancing the atomization degree, the high-pressure water nozzle is easy to burst.
Disclosure of Invention
In order to solve the shortcoming and the weak point of the prior art, the utility model aims at providing a high-efficient building site dust device.
The technical scheme of the utility model is that: the utility model provides a high-efficient building site dust device, includes the fog big gun machine, the atomizing nozzle of fog big gun machine is ultrasonic nebulizer.
Further, still include:
a controller;
a first base plate;
the lower end of the support frame is fixedly connected to the first bottom plate, the fog gun machine is fixedly connected with a support rotating shaft, the fog gun machine is rotatably connected to the support frame through the support rotating shaft, and the support rotating shaft is parallel to the horizontal plane;
one end of the electric hydraulic cylinder is hinged to the upper surface of the first bottom plate through a first hinge, a rotating shaft of the first hinge is parallel to the supporting rotating shaft, the other end of the electric hydraulic cylinder is hinged to the lower portion of the fog gun machine through a second hinge, a rotating shaft of the second hinge is parallel to the supporting rotating shaft, the second hinge is located right in front of the supporting rotating shaft, and the electric hydraulic cylinder is electrically connected with the controller;
and the pitch angle control switch is electrically connected with the controller.
Further, still include:
the second bottom plate is connected with the first bottom plate through a vertical rotating shaft, and the vertical rotating shaft passes through the center points of the first bottom plate and the second bottom plate;
the first driving motor is fixedly connected to the second bottom plate, a rotating shaft of the first driving motor is in gear fit connection with the edge of the first bottom plate through a gear, and the first driving motor is electrically connected with the controller;
and the horizontal rotation control switch is electrically connected with the controller.
Further, still include:
the first circular ring groove is formed in the lower surface of the first bottom plate, the circle center of the first circular ring groove is overlapped with the center point of the first bottom plate, and the depth of the first circular ring groove is smaller than the radius of the first circular ring groove;
the second circular ring groove is formed in the upper surface of the second bottom plate, the circle center of the second circular ring groove is overlapped with the center point of the second bottom plate, the diameter of the second circular ring groove is the same as that of the first circular ring groove, and the depth of the second circular ring groove is the same as that of the first circular ring groove;
support the ball, support ball diameter and first circular ring groove diameter phase-match, support the ball and include more than 2, support the ball roll and install between first circular ring groove and second circular ring groove, support the ball around vertical pivot evenly distributed.
Further, still include:
the upper end of the lifting mechanism is fixedly connected with the lower surface of the second bottom plate, and the lifting mechanism is electrically connected with the controller;
and the lifting control switch is electrically connected with the controller.
Further, still include:
the lower end of the lifting mechanism is fixedly connected to the movable vehicle body;
the water tank is fixedly connected to the vehicle body, a water pump communicated with the interior of the water tank is arranged on the water tank, and the water pump is connected with the fog gun machine through a hose.
Further, still include:
the water mist regulator is in a cylindrical shape with two open ends, the rear end opening of the water mist regulator is matched with the outlet of the fog gun machine, the water mist regulator is connected to the outlet of the fog gun machine in a sealing and rotating mode through the rear end opening, and the front end opening of the water mist regulator is a long strip-shaped opening.
Furthermore, an opening at the rear end of the water mist regulator is rotatably connected to an outlet of the fog gun machine.
Further, still include:
the second driving motor is fixedly connected to the fog gun machine, a rotating shaft of the second driving motor is in meshed connection with the outer side face of the opening at the rear end of the water mist regulator through a gear, and the second driving motor is electrically connected with the controller;
and the water mist adjusting switch is electrically connected with the controller.
The utility model has the advantages that: compared with the prior art, the method has the advantages that,
1) the utility model discloses an ultrasonic atomization ware atomizes water as atomizing nozzle, and ultrasonic atomization nozzle breaks up the molecular bond between the liquid hydrone and produces natural elegant water smoke through the high frequency resonance of ceramic atomizing piece, and the particle diameter of water smoke is littleer than ordinary atomizing nozzle, and is better to the adsorption effect of ash bed, can not form muddy water on sand ground and influence driving or pedestrian, and ultrasonic atomization nozzle adopts high frequency oscillation to produce water smoke, is different from ordinary atomizer and produces water smoke through the high-speed rivers striking, need not high-pressure water pump, safe energy-conservation more;
2) when the utility model is used, the electric hydraulic cylinder is controlled to stretch by the pitch angle control switch, so that the fog gun machine rotates around the support rotating shaft, thereby achieving the effect of adjusting the pitch angle of the fog gun machine, and the water mist sprayed by the fog gun machine can be adjusted in range and height and is applicable to dust pollution with different heights and distances;
3) when the utility model is used, the horizontal rotation control switch is controlled to control the forward and backward rotation of the first driving motor, so that the second bottom plate rotates forward and backward under the driving of the first driving motor, and the spraying direction of the fog gun machine is adjustable, and the fog gun machine is applicable to dust pollution in different directions;
4) because the first bottom plate and the second bottom plate are connected only through the vertical rotating shaft, and the fog gun machine is heavy, the vertical rotating shaft can be loosened after long-term use, so that the fog gun machine can shake, even the azimuth angle can not be adjusted, when the fog gun machine is used, the first bottom plate can be supported by the supporting ball besides the vertical rotating shaft by placing the supporting ball between the first circular groove and the second circular groove, so that the pressure of the vertical rotating shaft is reduced, the service life of the vertical rotating shaft is prolonged, and the shaking of the fog gun machine is reduced;
5) the utility model controls the lifting mechanism to lift through the lifting control switch, so that the height of the fog gun machine can be adjusted, the coverage area of the fog gun machine can be adjusted, the range of the fog gun machine can be increased by increasing the height of the fog gun machine in places with high requirements on the range, and when the position of the fog gun machine needs to be moved, the height of the fog gun machine can be reduced so that the fog gun machine can be moved conveniently;
6) the lifting mechanism is arranged on the vehicle body, so that the fog gun machine can move conveniently, and meanwhile, the fog gun machine is connected with the water tank through the high-pressure pump, so that the fog gun machine can be used in areas without water sources;
7) the utility model discloses a water smoke regulator is connected in fog gun machine export, and the long banding front end opening of water smoke regulator turns into plane shape water smoke wall with spun water smoke, compares with the water smoke of ordinary fog gun machine spun and regard fog gun machine export as the centre of a circle diffusion, and the water smoke wall coverage that forms is bigger, and dust fall efficiency is higher;
8) when the wind blows the ash layer to move, because the included angle between the water mist wall sprayed by the mist gun machine and the ground is fixed, the ash layer is easy to be exposed from the gap between the water mist wall and the ground, the utility model discloses a rotate the opening at the rear end of the water mist regulator and connect to the outlet of the mist gun machine, make the opening at the front end of the water mist regulator rotate around the rotating shaft of the mist gun machine, make the included angle between the water mist wall and the ground change so as to eliminate the gap between the water mist wall and the ground, play a role in avoiding the dust from being exposed from the gap between the water mist wall and the ground;
9) the utility model discloses a water smoke regulating switch control second driving motor rotates and drives the water smoke regulator and rotate on fog gun machine to change the contained angle of water smoke wall and ground.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a partial view at A of FIG. 1;
fig. 3 is an exploded view of the present invention;
fig. 4 is a cross-sectional view of the fog gun machine of the present invention;
fig. 5 is a perspective view of the fog gun machine of the present invention;
FIG. 6 is a perspective view of the mist regulator of the present invention;
fig. 7 is a perspective view of the first bottom plate of the present invention;
fig. 8 is a front view of the present invention;
fig. 9 is a cross-sectional view taken along line D-D in fig. 8.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
the utility model discloses in to upper and lower, preceding, back, left and right position's definition based on figure 8.
Example 1 was carried out: referring to fig. 1 to 8, the high-efficiency dust settling device for construction sites of the embodiment includes a fog gun machine 1, and an atomizing nozzle 1-1 of the fog gun machine 1 is an ultrasonic atomizer. The atomizing nozzle 1-1 used herein was an ultrasonic atomizing nozzle 1-1 of the type SK508, and made by the Wagrow mist treasure.
Further, still include: a controller 10; a first base plate 2-1; the lower end of the support frame 2-2 is connected to the first bottom plate 2-1 in a welded mode, the fog gun machine 1 is connected with the support rotating shaft 2-3 in a welded mode, the fog gun machine 1 is connected to the support frame 2-2 in a rotating mode through the support rotating shaft 2-3, and the support rotating shaft 2-3 is parallel to the horizontal plane; one end of the electric hydraulic cylinder 2-4 is hinged to the upper surface of the first bottom plate 2-1 through a first hinge 2-5, a rotating shaft of the first hinge 2-5 is parallel to a supporting rotating shaft 2-3, the other end of the electric hydraulic cylinder 2-4 is hinged to the lower portion of the fog gun machine 1 through a second hinge 2-6, a rotating shaft of the second hinge 2-6 is parallel to the supporting rotating shaft 2-3, the second hinge 2-6 is located right in front of the supporting rotating shaft 2-3, and the electric hydraulic cylinder 2-4 is connected with the controller 10 through a lead; and the pitch angle control switch is connected with the controller 10 through a lead. The controller 10 herein may employ a PLC, Arduino or raspberry pi like control component with peripheral circuitry. The pitch control switch here may be a normal push switch, and the controller 10 recognizes a control command by a push time or a number of times when it is used.
Further, still include: the second bottom plate 3-1 is connected with the first bottom plate 2-1 through a vertical rotating shaft 3-3, and the vertical rotating shaft 3-3 passes through the center points of the first bottom plate 2-1 and the second bottom plate 3-1; the first driving motor 3-2 is welded or bolted on the second bottom plate 3-1, a rotating shaft of the first driving motor 3-2 is in meshed connection with the edge of the first bottom plate 2-1 through a gear, and the first driving motor 3-2 is connected with a controller 10 through a lead; and the horizontal rotation control switches 3-7 are connected with the controller 10 through wires, and the horizontal rotation control switches 3-7 are connected with the controller 10 through wires. The first drive motor 3-2 here may be a stepping motor or a servo motor. The horizontal rotary control switches 3-7 can be ordinary push switches, and the controller 10 recognizes a control command by the push time or the number of times of pushing in use.
Further, still include: the first circular groove 3-5 is formed in the lower surface of the first bottom plate 2-1, the circle center of the first circular groove 3-5 is overlapped with the center point of the first bottom plate 2-1, and the depth of the first circular groove 3-5 is smaller than the radius of the first circular groove 3-5; the second circular ring groove 3-4 is formed in the upper surface of the second bottom plate 3-1, the circle center of the second circular ring groove 3-4 is overlapped with the center point of the second bottom plate 3-1, the diameter of the second circular ring groove 3-4 is the same as that of the first circular ring groove 3-5, and the depth of the second circular ring groove 3-4 is the same as that of the first circular ring groove 3-5; 3-6 supporting balls, the diameter of the 3-6 supporting balls is matched with that of the 3-5 first circular ring grooves, the number of the 3-6 supporting balls is more than 2, the 3-6 supporting balls are arranged between the 3-5 first circular ring grooves and the 3-4 second circular ring grooves in a rolling mode, and the 3-6 supporting balls are evenly distributed around the 3-3 vertical rotating shafts.
Further, still include: the upper end of the lifting mechanism 4 is connected with the lower surface of the second bottom plate 3-1 in a welding or bolt mode, and the lifting mechanism 4 is connected with the controller 10 through a lead; the lifting control switch 4-1 is connected with the controller 10 through a lead wire, and the lifting control switch 4-1 is connected with the controller 10 through a lead wire. The lifting mechanism 4 can be a lifting platform with a brand of Fadel and a model of SJG-D. The lifting control switch 4-1 can be a common push switch, and the controller 10 recognizes a control command by the push time or the push times when in use.
Further, still include: the lower end of the lifting mechanism 4 is connected with the movable vehicle body 5 in a welding mode or in a bolt mode; the water tank 6, water tank 6 welded connection or bolted connection are on automobile body 5, are equipped with the water pump 7 with the inside intercommunication of water tank 6 on the water tank 6, and water pump 7 passes through the hose 9 and is connected with fog gun machine 1.
Further, still include: the water mist regulator 8 is in a cylindrical shape with two open ends, the rear end opening 8-2 of the water mist regulator 8 is matched with the outlet of the fog gun machine 1, the water mist regulator 8 is connected to the outlet of the fog gun machine 1 in a sealing and rotating mode through the rear end opening 8-2, and the front end opening 8-3 of the water mist regulator 8 is a strip-shaped opening.
Further, an opening 8-2 at the rear end of the water mist regulator 8 is rotatably connected to an outlet of the fog gun machine 1.
Further, still include: the second driving motor 8-1 is welded or bolted on the fog gun machine 1, a rotating shaft of the second driving motor 8-1 is in meshed connection with the outer side face of the opening 8-2 at the rear end of the water mist regulator 8 through a gear, and the second driving motor 8-1 is connected with the controller 10 through a lead; and the water mist adjusting switch 8-4 is connected with the controller 10 through a lead wire, and the water mist adjusting switch 8-4 is connected with the controller 10 through a lead wire. The second drive motor 8-1 here may be a stepping motor or a servo motor. The water mist regulating switch 8-4 can be a common push switch, and the controller 10 identifies a control command through the push time or the push times when in use.
The utility model has the advantages that:
1) the utility model discloses an ultrasonic atomization ware atomizes water as atomizing nozzle 1-1, ultrasonic atomization nozzle 1-1 breaks up the molecular bond between the liquid hydrone and produces natural elegant water smoke through the high frequency resonance of ceramic atomizing piece, the particle diameter of water smoke is littleer than ordinary atomizing nozzle 1-1, the adsorption effect to the ash bed is better, can not form muddy water on sand ground and influence driving or pedestrian, and ultrasonic atomization nozzle 1-1 adopts high frequency oscillation to produce water smoke, it produces water smoke through the high-speed rivers striking to be different from ordinary atomizing 1-1 to spout, need not promote water pressure, it is safe more energy-conserving;
2) when the utility model is used, the electric hydraulic cylinder 2-4 is controlled to stretch and contract through the pitch angle control switch, so that the fog gun machine 1 rotates around the support rotating shaft 2-3, thereby achieving the effect of adjusting the pitch angle of the fog gun machine 1, and the water mist sprayed by the fog gun machine 1 can be adjusted in range and height and can be applied to dust pollution with different heights and distances;
3) when the utility model is used, the first driving motor 3-2 is controlled to rotate forwards and backwards by controlling the horizontal rotation control switch 3-7, so that the second bottom plate 3-1 rotates forwards and backwards under the driving of the first driving motor 3-2, and the spraying direction of the fog gun machine 1 is adjustable, and the fog gun machine is applicable to dust pollution in different directions;
4) because the first bottom plate 2-1 and the second bottom plate 3-1 are connected only through the vertical rotating shaft 3-3, and the fog gun machine 1 is heavy, the vertical rotating shaft 3-3 is loosened after long-term use, so that the fog gun machine 1 is shaken, even the azimuth angle can not be adjusted, when the fog gun machine is used, the first bottom plate 2-1 is supported by the supporting balls 3-6 besides the vertical rotating shaft 3-3 by placing the supporting balls 3-6 between the first circular ring groove 3-5 and the second circular ring groove 3-4, so that the pressure of the vertical rotating shaft 3-3 is reduced, the service life of the vertical rotating shaft 3-3 is prolonged, and the shaking of the fog gun machine 1 is reduced;
5) the utility model controls the lifting mechanism 4 to lift through the lifting control switch 4-1, so that the height of the fog gun machine 1 can be adjusted, the coverage range of the fog gun machine 1 can be adjusted, the range of the fog gun machine 1 can be increased by lifting the height of the fog gun machine 1 at a place with high range requirement, and when the position of the fog gun machine 1 needs to be moved, the height of the fog gun machine 1 can be reduced so that the fog gun machine 1 can be moved;
6) the lifting mechanism 4 is arranged on the vehicle body 5, so that the fog gun machine 1 can move, and meanwhile, the fog gun machine 1 is connected with the water tank 6 through the high-pressure pump, so that the fog gun machine 1 can be used in areas without water sources;
7) the utility model discloses a water smoke regulator 8 is connected in fog gun machine 1 export, and the long banding front end opening 8-3 of water smoke regulator 8 turns into plane shape water smoke wall with spun water smoke, compares with the water smoke of ordinary fog gun machine 1 spun and regard fog gun machine 1 export as the centre of a circle diffusion, and the water smoke wall coverage that forms is bigger, and dust fall efficiency is higher;
8) when the wind blows the ash layer to move, because the included angle between the water mist wall sprayed by the mist gun machine 1 and the ground is fixed, the ash layer is easy to be exposed out from the gap between the water mist wall and the ground, the utility model discloses a rotate the rear end opening 8-2 of the water mist regulator 8 and connect to the outlet of the mist gun machine 1, make the front end opening 8-3 of the water mist regulator 8 rotate around the rotating shaft of the mist gun machine 1, make the included angle between the water mist wall and the ground change so as to eliminate the gap between the water mist wall and the ground, play a role in avoiding the dust from being exposed out from the gap between the water mist wall and the ground;
9) the utility model discloses a water smoke regulating switch 8-4 control second driving motor 8-1 rotates and drives water smoke regulator 8 and rotate on fog gun machine 1 to change the contained angle of water smoke wall and ground.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. A high-efficiency dust falling device for a construction site comprises a fog gun machine (1), and is characterized in that an atomizing nozzle (1-1) of the fog gun machine (1) is an ultrasonic atomizer;
further comprising:
a controller (10);
a first base plate (2-1);
the lower end of the support frame (2-2) is fixedly connected to the first bottom plate (2-1), the fog gun machine (1) is fixedly connected with a support rotating shaft (2-3), the fog gun machine (1) is rotatably connected to the support frame (2-2) through the support rotating shaft (2-3), and the support rotating shaft (2-3) is parallel to the horizontal plane;
one end of the electric hydraulic cylinder (2-4) is hinged to the upper surface of the first bottom plate (2-1) through a first hinge (2-5), a rotating shaft of the first hinge (2-5) is parallel to the supporting rotating shaft (2-3), the other end of the electric hydraulic cylinder (2-4) is hinged to the lower portion of the fog gun machine (1) through a second hinge (2-6), a rotating shaft of the second hinge (2-6) is parallel to the supporting rotating shaft (2-3), the second hinge (2-6) is located right in front of the supporting rotating shaft (2-3), and the electric hydraulic cylinder (2-4) is electrically connected with the controller (10);
the pitch angle control switch is electrically connected with the controller (10).
2. The efficient worksite dust suppression apparatus of claim 1, further comprising:
the second bottom plate (3-1), the second bottom plate (3-1) is connected with the first bottom plate (2-1) through a vertical rotating shaft (3-3), and the vertical rotating shaft (3-3) passes through the center points of the first bottom plate (2-1) and the second bottom plate (3-1);
the first driving motor (3-2), the first driving motor (3-2) is fixedly connected to the second bottom plate (3-1), a rotating shaft of the first driving motor (3-2) is in meshed connection with the edge of the first bottom plate (2-1) through a gear, and the first driving motor (3-2) is electrically connected with the controller (10);
the horizontal rotation control switch (3-7), the horizontal rotation control switch (3-7) is electrically connected with the controller (10).
3. The efficient worksite dust suppression apparatus of claim 2, further comprising:
the first circular ring groove (3-5), the first circular ring groove (3-5) is formed in the lower surface of the first bottom plate (2-1), the circle center of the first circular ring groove (3-5) is overlapped with the central point of the first bottom plate (2-1), and the depth of the first circular ring groove (3-5) is smaller than the radius of the first circular ring groove (3-5);
the second circular ring groove (3-4), the second circular ring groove (3-4) is arranged on the upper surface of the second bottom plate (3-1), the circle center of the second circular ring groove (3-4) coincides with the central point of the second bottom plate (3-1), the diameter of the second circular ring groove (3-4) is the same as that of the first circular ring groove (3-5), and the depth of the second circular ring groove (3-4) is the same as that of the first circular ring groove (3-5);
the supporting balls (3-6), the diameter of the supporting balls (3-6) is matched with that of the first circular groove (3-5), the number of the supporting balls (3-6) is more than 2, the supporting balls (3-6) are installed between the first circular groove (3-5) and the second circular groove (3-4) in a rolling mode, and the supporting balls (3-6) are evenly distributed around the vertical rotating shaft (3-3).
4. A high efficiency worksite dust fall apparatus according to claim 2 or 3, further comprising:
the upper end of the lifting mechanism (4) is fixedly connected with the lower surface of the second bottom plate (3-1), and the lifting mechanism (4) is electrically connected with the controller (10);
the lifting control switch (4-1), the lifting control switch (4-1) is electrically connected with the controller (10).
5. The efficient worksite dust suppression apparatus of claim 4, further comprising:
the lower end of the lifting mechanism (4) is fixedly connected to the movable vehicle body (5);
the water tank (6), water tank (6) fixed connection is on automobile body (5), be equipped with on water tank (6) with water tank (6) inside water pump (7) that communicate, water pump (7) are connected with fog gun machine (1) through hose (9).
6. A high efficiency worksite dust fall apparatus according to any one of claims 1 to 3, further comprising:
the water mist regulator (8) is in a cylindrical shape with two open ends, a rear end opening (8-2) of the water mist regulator (8) is matched with an outlet of the fog gun machine (1), the water mist regulator (8) is connected to the outlet of the fog gun machine (1) in a sealing and rotating mode through the rear end opening (8-2), and a front end opening (8-3) of the water mist regulator (8) is a long strip-shaped opening.
7. The efficient worksite dust reduction apparatus of claim 6, further comprising: the rear end opening (8-2) of the water mist regulator (8) is rotatably connected to the outlet of the fog gun machine (1).
8. The efficient worksite dust reduction apparatus of claim 7, further comprising:
the second driving motor (8-1), the second driving motor (8-1) is fixedly connected to the fog gun machine (1), a rotating shaft of the second driving motor (8-1) is in meshed connection with the outer side face of the rear end opening (8-2) of the water fog regulator (8) through a gear, and the second driving motor (8-1) is electrically connected with the controller (10);
the water mist adjusting switch (8-4), the water mist adjusting switch (8-4) is electrically connected with the controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462448.9U CN214287275U (en) | 2020-10-29 | 2020-10-29 | High-efficient building site dust device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462448.9U CN214287275U (en) | 2020-10-29 | 2020-10-29 | High-efficient building site dust device |
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| CN214287275U true CN214287275U (en) | 2021-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156905A (en) * | 2020-10-29 | 2021-01-01 | 中国电建集团贵州电力设计研究院有限公司 | High-efficient building site dust fall fog gun machine structure |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156905A (en) * | 2020-10-29 | 2021-01-01 | 中国电建集团贵州电力设计研究院有限公司 | High-efficient building site dust fall fog gun machine structure |
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