CN113663438A - Wisdom building site atomization plant based on building information model - Google Patents
Wisdom building site atomization plant based on building information model Download PDFInfo
- Publication number
- CN113663438A CN113663438A CN202111000915.9A CN202111000915A CN113663438A CN 113663438 A CN113663438 A CN 113663438A CN 202111000915 A CN202111000915 A CN 202111000915A CN 113663438 A CN113663438 A CN 113663438A
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- building information
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- 238000000889 atomisation Methods 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 14
- 238000005507 spraying Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000007418 data mining Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/08—Mobile separation devices
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toys (AREA)
Abstract
The utility model provides a wisdom building site atomizing equipment based on building information model, includes the automobile body, the recess has been seted up on the top right side of automobile body, the water tank has been put to the inner chamber of recess, the top left side of automobile body is inlayed and is equipped with the liquid pump, the inlet intercommunication of liquid pump has the pipe, peg graft in the inner chamber bottom of water tank in the outer end of pipe, first motor groove has been seted up at the top of automobile body. According to the crawler-type automatic walking device, automatic walking can be performed under the condition of poor ground conditions through the crawler-type moving mechanism, so that the transfer is convenient and rapid, meanwhile, when the hoisting is needed, the crawler-type automatic walking device can be directly connected through the steel wire rope, and then the hoisting transfer is performed through the on-site excavator, so that a special hoisting mechanism is not needed, the use cost is greatly reduced, and the use is convenient and rapid.
Description
Technical Field
The invention relates to the field of building site dust fall, in particular to intelligent building site atomization equipment based on a building information model.
Background
The building information model is a new tool for architecture, engineering and civil engineering. The building information model or the building information model is created by Autodesk, which is used for describing computer aided design mainly based on three-dimensional graphics, object guidance and architecture, and the concept is popularized to the public by Jerry Laiserin the technology provided by Autodesk, the Pentium system software company and Graphisoft at first; the intelligent construction site is characterized in that an informatization means is used, engineering projects are accurately designed and simulated through a three-dimensional design platform, a construction project informatization ecological circle with interconnection cooperation, intelligent production and scientific management is built around construction process management, data mining analysis is carried out on the data and engineering information collected by the Internet of things in a virtual reality environment, process trend prediction and expert plans are provided, visual intelligent management of engineering construction is achieved, engineering management informatization level is improved, and green construction and ecological construction are gradually achieved.
The existing dust fall equipment used in the intelligent construction site based on the building information model is a dust fall fog gun vehicle based on automatic control, however, the existing dust fall fog gun vehicle is moved by moving wheels in the using process, the ground condition is poor in the construction site, so that the condition of inconvenience in movement exists, when the position is required to be shifted, the existing dust fall fog gun vehicle is often transferred by means of a transfer vehicle, the operation is troublesome, the use cost is high, and when spraying and dust fall are carried out, the spraying amount cannot be effectively and automatically adjusted according to the field condition, the automation degree is low, and the condition of water resource waste is easy to occur. For this reason, new technical solutions need to be designed to solve the problem.
Disclosure of Invention
The invention aims to provide intelligent construction site atomization equipment based on a building information model, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent building site atomization device based on a building information model comprises a vehicle body, wherein a groove is formed in the right side of the top of the vehicle body, a water tank is arranged in an inner cavity of the groove, a liquid pump is embedded in the left side of the top of the vehicle body, a liquid inlet of the liquid pump is communicated with a guide pipe, the outer end of the guide pipe is inserted into the bottom of the inner cavity of the water tank, a first motor groove is formed in the top of the vehicle body, a first motor is fixed in the inner cavity of the first motor groove, a rotary table is fixedly connected to the outer end of a transmission shaft of the first motor, a rotary shaft is fixed to the top of the rotary table, a fog gun barrel is fixed to the top of the rotary shaft, and a liquid outlet of the liquid pump is communicated with the fog gun barrel through a hose;
a second motor groove is formed in the side wall of the trolley body, a second motor is fixed in an inner cavity of the second motor groove, the outer end of a transmission shaft of the second motor is fixedly connected with transmission wheels, four groups of the transmission wheels on the same side are connected through a crawler, a fixed block is arranged at the bottom of the trolley body, a third motor groove is formed in the top of the fixed block, a third motor is fixedly installed in an inner cavity of the third motor groove, the outer end of the transmission shaft of the third motor is fixedly connected with the middle of the bottom of the trolley body, a bottom plate is fixedly connected to the bottom of the fixed block, hydraulic cylinders are fixed at four corners of the top of the bottom plate, and piston rods of the hydraulic cylinders penetrate through the bottom plate and are fixedly connected with a support plate;
the top of the vehicle body is fixedly provided with a controller, and the outer wall of the fog gun barrel is fixedly provided with a dust particle sensor and a time relay.
As a preferred embodiment of the present invention, the two side walls of the vehicle body are both fixed with a connecting mechanism, the connecting mechanism includes a box body, the box body is fixedly connected with the vehicle body, the inner cavity of the box body is provided with a reel, two ends of the reel are both fixedly sleeved with bearings, the bearings are fixed on the inner wall of the box body, the outer wall of the reel is fixedly sleeved with a coil spring, the outer end of the coil spring is fixedly connected with the inner wall of the box body, the outer wall of the reel is connected with a steel wire rope in a winding manner, the outer end of the steel wire rope penetrates through a through hole formed in the top of the box body, and the outer end of the steel wire rope is fixedly connected with a mountain-climbing buckle.
In a preferred embodiment of the present invention, the signal output terminals of the dust particle sensor and the time relay are connected to a signal input terminal of a controller, and the signal output terminal of the controller is connected to signal input terminals of the liquid pump, the second motor, the third motor, and the hydraulic cylinder.
In a preferred embodiment of the present invention, the signal channel of the controller is communicated with the signal channel of the wireless remote control through the wireless module.
As a preferred embodiment of the invention, multiple groups of same anti-skid teeth are uniformly fixed at the bottom of the support plate.
In a preferred embodiment of the present invention, the vehicle body has two side walls and two left and right side walls, and the bottom edges of the two side walls are fixed with protective steel bars.
In a preferred embodiment of the present invention, the number of the second motors is four, and the four sets of the second motors are uniform with respect to a side wall of the vehicle body.
In a preferred embodiment of the present invention, a vent end cap is screwed to the top opening of the water tank.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the crawler-type automatic walking device, automatic walking can be performed under the condition of poor ground conditions through the crawler-type moving mechanism, so that the transfer is convenient and rapid, meanwhile, when the hoisting is needed, the crawler-type automatic walking device can be directly connected through the steel wire rope, and then the hoisting transfer is performed through the on-site excavator, so that a special hoisting mechanism is not needed, the use cost is greatly reduced, and the use is convenient and rapid.
2. The invention can intermittently stop dust fall through the time relay, and detect the condition of site dust raise by using the dust particle sensor, thereby intermittently adjusting the amount of spraying, maximally saving water resources and avoiding waste.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an overall structure of an intelligent construction site atomizing apparatus based on a building information model according to the present invention;
FIG. 2 is a schematic view of the bottom structure of a vehicle body of the intelligent construction site atomizing apparatus based on the building information model;
FIG. 3 is a schematic cross-sectional view of a front side wall of a vehicle body of the intelligent construction site atomizing device based on a building information model according to the present invention;
fig. 4 is a schematic structural diagram of a connection mechanism of the intelligent construction site atomization device based on the building information model.
In the figure: 1. a vehicle body; 2. a rotating shaft; 3. a fog gun barrel; 4. a liquid pump; 5. a groove; 6. a water tank; 7. a conduit; 8. a controller; 9. a driving wheel; 10. a crawler belt; 11. a connecting mechanism; 12. a second motor slot; 13. a second motor; 14. a fixed block; 15. a third motor slot; 16. a third motor; 17. a base plate; 18. a hydraulic cylinder; 19. a support plate; 20. a first motor slot; 21. a first motor; 22. a turntable; 23. a box body; 24. a reel; 25. a bearing; 26. a through hole; 27. a wire rope; 28. a coil spring; 29. climbing buckles; 30. wireless remote control; 31. a dust particle sensor; 32. a time relay.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-4, the present invention provides a technical solution: an intelligent construction site atomization device based on a building information model comprises a vehicle body 1, wherein the right side of the top of the vehicle body 1 is provided with a groove 5, a water tank 6 is arranged in the inner cavity of the groove 5, a liquid pump 4 is embedded on the left side of the top of the vehicle body 1, a liquid inlet of the liquid pump 4 is communicated with a conduit 7, the outer end of the conduit 7 is inserted at the bottom of the inner cavity of the water tank 6, a first motor groove 20 is arranged at the top of the vehicle body 1, a first motor 21 is fixed in the inner cavity of the first motor groove 20, the outer end of the transmission shaft of the first motor 21 is fixedly connected with a turntable 22, the top of the turntable 22 is fixed with a rotating shaft 2, a fog gun barrel 3 is fixed on the top of the rotating shaft 2, a liquid outlet of the liquid pump 4 is communicated with the fog gun barrel 3 through a hose, the rotating shaft 2 can be driven to rotate through the first motor 21, so that the fog gun barrel 3 can be driven to rotate, and the angle can be adjusted;
a second motor groove 12 is formed in the side wall of the vehicle body 1, a second motor 13 is fixed in an inner cavity of the second motor groove 12, a transmission wheel 9 is fixedly connected to the outer end of a transmission shaft of the second motor 13, four groups of transmission wheels 9 on the same side are connected through a crawler 10, a fixed block 14 is arranged at the bottom of the vehicle body 1, a third motor groove 15 is formed in the top of the fixed block 14, a third motor 16 is fixedly installed in an inner cavity of the third motor groove 15, the outer end of a transmission shaft of the third motor 16 is fixedly connected with the middle of the bottom of the vehicle body 1, a bottom plate 17 is fixedly connected to the bottom of the fixed block 14, hydraulic cylinders 18 are fixed at four corners of the top of the bottom plate 17, piston rods of the hydraulic cylinders 18 penetrate through the bottom plate 17 and are fixedly connected with support plates 19, the second motor 13 can drive the transmission wheels 9 to rotate, so that the crawler 10 can be driven to walk, and can be transferred under the poor ground condition, meanwhile, the hydraulic cylinder 18 can jack the vehicle body 1, and then the vehicle body 1 can be steered through the third motor 16;
the top of the vehicle body 1 is fixedly provided with a controller 8, and the outer wall of the fog gun barrel 3 is fixedly provided with a dust particle sensor 31 and a time relay 32;
the connection device comprises a box body 23, the box body 23 is fixedly connected with the vehicle body 1, a scroll 24 is installed in an inner cavity of the box body 23, bearings 25 are fixedly sleeved at two ends of the scroll 24, the bearings 25 are fixed on the inner wall of the box body 23, a coil spring 28 is fixedly sleeved on the outer wall of the scroll 24, the outer end of the coil spring 28 is fixedly connected with the inner wall of the box body 23, a steel wire rope 27 is wound on the outer wall of the scroll 24, the outer end of the steel wire rope 27 penetrates through a through hole 26 formed in the top of the box body 23, a climbing buckle 29 is fixedly connected with the outer end of the steel wire rope 27, the steel wire rope 27 is pulled out and is connected through the climbing buckle 29, and therefore hoisting connection is facilitated;
the signal output ends of the dust particle sensor 31 and the time relay 32 are connected with the signal input end of the controller 8, the signal output end of the controller 8 is connected with the signal input ends of the liquid pump 4, the second motor 13, the third motor 16 and the hydraulic cylinder 18, and the signal channel of the controller 8 is communicated with the signal channel of the wireless remote control 30 through a wireless module.
When the device is used, water in the water tank 6 is pumped by the liquid pump 4 and sprayed by the fog gun barrel 3, so that dust is reduced, meanwhile, the spraying can be stopped regularly by the time relay 32, then the field dust concentration is detected instantly by the dust particle sensor 31 and then fed back to the controller 8, so that the controller 8 can adjust the spraying water quantity regularly according to the dust raising condition, so that the effect of saving water is achieved, when the device needs to move, a signal is sent to the controller 8 by the wireless remote control 30, so that the controller 8 synchronously starts the multiple groups of second motors 13 to drive the driving wheels 9 to rotate, so that the crawler 10 runs, when the device needs to turn, the hydraulic cylinder 18 is started to drive the support plate 19 to be supported on the ground, so that the vehicle body 1 and the crawler 10 are separated from the ground, and then the third motor 16 works, make and drive automobile body 1 and turn to, turn to the back, withdrawal pneumatic cylinder 18 makes track 10 land, then it can to recycle second motor 13 work makes track 10 walk, thereby make walking convenient and fast, when needs hoist and mount, pull out two sets of climbing buckles 29 and connect, thereby form the hoist and mount rope, then utilize the on-the-spot excavator in building site to debug, need not to carry the hoist and mount and tie up the instrument, convenient operation is swift, and when not using, under the effect of wind spring 28, can accomodate wire rope 27 automatically, thereby convenient operation, it is convenient to accomodate.
In an alternative embodiment, the bottom of the support plate 19 is fixed and uniformly distributed with multiple groups of same anti-slip teeth.
It should be noted that the anti-slip teeth provide high stability during support.
In an optional embodiment, the bottom edges of the left and right side walls of the two side walls of the vehicle body 1 are fixed with protective steel bars.
It should be noted that the steel wire rope 27 and the car body 1 can be prevented from being worn during hoisting by the protective steel bars.
In an alternative embodiment, the number of the second motors 13 is four, and the four sets of the second motors 13 are uniform with the side wall of the vehicle body 1.
It should be noted that the four groups of second motors 13 are uniformly distributed and uniformly driven, so that the walking is stable.
In an alternative embodiment, a vent cap is threaded into the top opening of the tank 6.
It is convenient to add water resources.
It should be noted that the components included in the intelligent building site atomization device based on the building information model of the invention are all universal standard components or components known to those skilled in the art, the structure and principle of the device are known by technical manuals or conventional experimental methods, at the idle position of the device, all the electric devices refer to power elements, electric devices, adaptive monitoring computers and power supplies which are connected through wires, and specific connection means should be referred to the following working principle, wherein the electric connection is completed between the electric devices in sequence, and the detailed connection means is the known technology in the art, and the following main description of the working principle and process is not described in the electrical control.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an wisdom building site atomizing equipment based on building information model, includes automobile body (1), its characterized in that: the device is characterized in that a groove (5) is formed in the right side of the top of the vehicle body (1), a water tank (6) is arranged in an inner cavity of the groove (5), a liquid pump (4) is embedded in the left side of the top of the vehicle body (1), a liquid inlet of the liquid pump (4) is communicated with a guide pipe (7), the outer end of the guide pipe (7) is inserted into the bottom of the inner cavity of the water tank (6), a first motor groove (20) is formed in the top of the vehicle body (1), a first motor (21) is fixed in the inner cavity of the first motor groove (20), a rotary table (22) is fixedly connected to the outer end of a transmission shaft of the first motor (21), a rotary shaft (2) is fixed to the top of the rotary table (22), a fog gun barrel (3) is fixed to the top of the rotary shaft (2), and a liquid outlet of the liquid pump (4) is communicated with the fog gun barrel (3) through a hose;
a second motor groove (12) is formed in the side wall of the vehicle body (1), a second motor (13) is fixed in the inner cavity of the second motor groove (12), the outer end of a transmission shaft of the second motor (13) is fixedly connected with transmission wheels (9), four groups of transmission wheels (9) at the same side are connected through a crawler belt (10), a fixed block (14) is arranged at the bottom of the vehicle body (1), a third motor groove (15) is formed in the top of the fixed block (14), a third motor (16) is fixedly arranged in the inner cavity of the third motor groove (15), the outer end of a transmission shaft of the third motor (16) is fixedly connected with the middle part of the bottom of the vehicle body (1), the bottom of the fixed block (14) is fixedly connected with a bottom plate (17), the four corners of the top of the bottom plate (17) are respectively fixed with a hydraulic cylinder (18), a piston rod of the hydraulic cylinder (18) penetrates through the bottom plate (17) and is fixedly connected with a support plate (19);
the top of automobile body (1) fixed mounting has controller (8), the outer wall fixed mounting of fog gun section of thick bamboo (3) has dust particle sensor (31) and time relay (32).
2. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: the both sides wall of automobile body (1) all is fixed with coupling mechanism (11), coupling mechanism (11) include box (23), box (23) and automobile body (1) fixed connection, spool (24) are installed to the inner chamber of box (23), the both ends of spool (24) are all fixed the cover and are equipped with bearing (25), bearing (25) are fixed in the inner wall of box (23), the outer wall fixed cover of spool (24) is equipped with wind spring (28), the outer end of wind spring (28) and the inner wall fixed connection of box (23), the outer wall of spool (24) has around having wire rope (27), the outer end of wire rope (27) runs through-hole (26) of locating box (23) top, the outer end fixedly connected with mountain-climbing of wire rope (27) is detained (29).
3. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: the signal output ends of the dust particle sensor (31) and the time relay (32) are connected with the signal input end of the controller (8), and the signal output end of the controller (8) is connected with the signal input ends of the liquid pump (4), the second motor (13), the third motor (16) and the hydraulic cylinder (18).
4. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: and the signal channel of the controller (8) is communicated with the signal channel of the wireless remote control (30) through a wireless module.
5. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: and multiple groups of same anti-skidding teeth are uniformly fixed at the bottom of the support plate (19).
6. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: and protective steel bars are fixed at the bottom edges of the left side wall and the right side wall of the two side walls of the vehicle body (1).
7. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: the number of the second motors (13) is four, and the four groups of the second motors (13) are uniformly distributed on the side wall of the vehicle body (1).
8. The intelligent building site atomization device based on the building information model as claimed in claim 1, wherein: and a ventilation end cover is connected to the top opening of the water tank (6) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000915.9A CN113663438A (en) | 2021-08-30 | 2021-08-30 | Wisdom building site atomization plant based on building information model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000915.9A CN113663438A (en) | 2021-08-30 | 2021-08-30 | Wisdom building site atomization plant based on building information model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113663438A true CN113663438A (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111000915.9A Pending CN113663438A (en) | 2021-08-30 | 2021-08-30 | Wisdom building site atomization plant based on building information model |
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| Country | Link |
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| CN (1) | CN113663438A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209791183U (en) * | 2019-04-04 | 2019-12-17 | 李展炜 | Environment-friendly construction dust collector |
| CN213077872U (en) * | 2020-06-17 | 2021-04-30 | 广东重工建设监理有限公司 | Building site spray dust collector |
| CN213831253U (en) * | 2020-10-27 | 2021-07-30 | 江阴市捷龙新材料科技有限公司 | Automobile traction rope with quick rolling structure |
-
2021
- 2021-08-30 CN CN202111000915.9A patent/CN113663438A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209791183U (en) * | 2019-04-04 | 2019-12-17 | 李展炜 | Environment-friendly construction dust collector |
| CN213077872U (en) * | 2020-06-17 | 2021-04-30 | 广东重工建设监理有限公司 | Building site spray dust collector |
| CN213831253U (en) * | 2020-10-27 | 2021-07-30 | 江阴市捷龙新材料科技有限公司 | Automobile traction rope with quick rolling structure |
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Application publication date: 20211119 |
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