CN219376557U - Building construction dust fall device - Google Patents
Building construction dust fall device Download PDFInfo
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- CN219376557U CN219376557U CN202320418547.8U CN202320418547U CN219376557U CN 219376557 U CN219376557 U CN 219376557U CN 202320418547 U CN202320418547 U CN 202320418547U CN 219376557 U CN219376557 U CN 219376557U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a building construction dust fall device which comprises a bottom plate (1), a water tank (2), a rotating mechanism (3), an atomization mechanism (4), a water supply mechanism, a handle (8) and a rotating wheel (11); a plurality of rotating wheels (11) are rotatably arranged on the bottom surface of the bottom plate (1), and a handle (8) is fixedly arranged at one end of the bottom plate (1); the water tank (2) is fixedly arranged on the top surface of the bottom plate (1), the water supply mechanism is arranged in the water tank (2), and the water supply mechanism is communicated with the water tank (2) and the atomization mechanism (4); the rotating mechanism (3) is arranged in the water tank (2), and the output end of the rotating mechanism (3) extends to the upper side of the water tank (2) and is connected with the atomizing mechanism (4), so that the atomizing mechanism (4) can be rotatably arranged above the water tank (2) by 360 degrees through the rotating mechanism (3). The utility model can solve the problem of limited spray dust fall range in the prior art.
Description
Technical Field
The utility model relates to environment-friendly equipment for a building construction site, in particular to a dust fall device for building construction.
Background
In the construction site, because of factors such as earth excavation, earth surface exposure, construction of building floors and the like, raised dust is large, the health of constructors is endangered, and the urban air quality and the surrounding environment are influenced, so that dust fall treatment is required to be carried out on the raised dust in the construction process of the building.
The utility model discloses a Chinese patent with publication number of CN212548773, which discloses a dust fall device for building construction, the device comprises a water tank, an arc-shaped groove and two mounting plates are fixedly connected to the upper surface of the water tank, the two mounting plates are positioned on the right side of the arc-shaped groove, an arc-shaped plate is arranged in the arc-shaped groove, a spraying mechanism is fixedly connected to one surface of the arc-shaped plate, which is far away from the outer part of the arc-shaped groove, and a threaded rod is arranged between the two mounting plates. Although the dust fall device for building construction can enlarge the dust fall range to a certain extent, the dust fall device has limited rotation range, cannot spray dust fall in all directions, and has poor dust fall effect. Therefore, there is a need to provide a building construction dust device that can solve the problem of limited spray dust fall range in the prior art.
Disclosure of Invention
The utility model aims to provide a building construction dust device which can solve the problem that spraying dust fall range is limited in the prior art.
The utility model is realized in the following way:
a building construction dust fall device comprises a bottom plate, a water tank, a rotating mechanism, an atomization mechanism, a water supply mechanism, a handle and rotating wheels; a plurality of rotating wheels are rotatably arranged on the bottom surface of the bottom plate, and a handle is fixedly arranged at one end of the bottom plate; the water tank is fixedly arranged on the top surface of the bottom plate, the water supply mechanism is arranged in the water tank, and the water supply mechanism is communicated with the water tank and the atomization mechanism; the rotating mechanism is arranged in the water tank, and the output end of the rotating mechanism extends to the upper side of the water tank and is connected with the atomizing mechanism, so that the atomizing mechanism can be rotatably arranged above the water tank by 360 degrees through the rotating mechanism.
The rotating mechanism comprises a first motor, a first rotating rod, a first gear, a second gear and a second rotating rod; the output end of the first motor is coaxially and fixedly connected with the first rotating rod, and the first gear is coaxially arranged on the first rotating rod; the first gear is connected with the second gear in a meshed manner, the second gear is coaxially arranged on the second rotating rod, and one end of the second rotating rod penetrates through the water tank and is fixedly connected with the bottom of the atomization mechanism.
The rotating mechanism further comprises a protection frame, the protection frame is arranged at the top of the inner wall of the water tank, and the first motor, the first rotating rod, the first gear, the second gear and the second rotating rod are arranged in the protection frame and are isolated from water in the water tank; the second rotating rod penetrates through the protective frame and the water tank and is connected with the atomization mechanism, and the water supply mechanism penetrates through the protective frame.
The atomizing mechanism comprises a rotating plate, an atomizer, a rotating rod, a supporting plate and an adjusting mechanism; the rotating plate is fixedly arranged at the top of the second rotating rod and is positioned above the water tank, one end of the atomizer is rotatably arranged above the water tank through the supporting plate and the rotating rod, and the other end of the atomizer is rotatably arranged above the water tank through the adjusting mechanism; the water supply mechanism penetrates through the rotating plate and is connected with the atomizer.
The adjusting mechanism comprises a lifting plate, a second motor, a third rotating rod, a third gear, a fourth gear and a threaded rod; one end of the lifting plate is hinged to the bottom of the other end of the atomizer through a hinge bracket, the other end of the lifting plate is matched and screwed on the threaded rod, and the lifting plate is arranged above the rotating plate in a lifting manner through the supporting plate; the second motor is fixedly arranged on the rotating plate through the fixed frame, one end of the third rotating rod is coaxially and fixedly connected with the output shaft of the second motor, and the other end of the third rotating rod penetrates through the fixed frame and is coaxially and fixedly connected with the third gear; the lower part of the threaded rod penetrates through the fixed frame and is rotatably arranged on the rotating plate, and the fourth gear is coaxially arranged at the lower part of the threaded rod and is meshed with the third gear.
The rotating plate is provided with a first through hole, a second through hole is coaxially formed in the second rotating rod, a third through hole is formed in the bottom of the protective frame, and the first through hole, the second through hole and the third through hole are coaxially arranged, so that the water supply mechanism penetrates through the first through hole, the second through hole and the third through hole and is connected with the atomizer.
The water supply mechanism comprises a first communicating pipe, a water pump and a second communicating pipe; the water pump is arranged at the bottom of the protective frame, the water inlet end of the water pump is communicated with the water tank through the first communicating pipe, and the water outlet end of the water pump is connected with the atomizer through the second communicating pipe; the second communicating pipe penetrates the first through hole, the second through hole and the third through hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the rotating mechanism is arranged, the first rotating rod is driven to rotate by the first motor, and the first rotating rod is meshed with the second gear by the first gear, so that the second rotating rod is driven to rotate, the second rotating rod drives the atomizing mechanism to realize 360-degree omnibearing rotation in the forward direction or the reverse direction, spray dust fall is not limited, and the dust fall effect of a building construction site is improved.
2. The utility model is provided with the atomization mechanism, and the second motor of the adjustment mechanism can control the height adjustment of the other end of the atomizer, so that the spraying angle of the atomizer can be flexibly adjusted according to the dust fall requirement, thereby further optimizing the dust fall effect of the construction site.
3. The utility model is provided with the bottom plate, the handle and the rotating wheels to form a handcart structure, so that the water tank and the atomizing mechanism can be flexibly moved on the construction site, and the handcart structure is arranged at the position where dust emission is serious on the construction site, is not limited by sites, and is beneficial to improving the dust falling effect and the dust falling efficiency of the construction site.
Drawings
FIG. 1 is a perspective view (front side view) of a construction dust suppression device of the present utility model;
FIG. 2 is a perspective view (rear side view) of the dust suppression device for construction of the present utility model;
FIG. 3 is a schematic view of the internal structure of the dust-settling device for construction of the present utility model;
FIG. 4 is a schematic view of the structure of the rotating mechanism in the dust-settling device for building construction according to the present utility model;
FIG. 5 is a schematic view of the structure of the atomizing mechanism in the dust settling device for construction of the present utility model.
In the figure, 1, a bottom plate; 2. a water tank; 3. a rotating mechanism; 301. a protective frame; 302. a first motor; 303. a first rotating lever; 304. a first gear; 305. a second gear; 306. a second rotating lever; 4. an atomizing mechanism; 401. a rotating plate; 402. an atomizer; 403. a rotating rod; 404. a support plate; 405. a hinge bracket; 406. a hinge; 407. a lifting plate; 408. a fixed frame; 409. a second motor; 410. a third rotating lever; 411. a third gear; 412. a fourth gear; 413. a threaded rod; 5. a first communication pipe; 6. a water pump; 7. a second communicating pipe; 8. a handle; 9. a support leg; 10. a connecting rod; 11. and rotating the wheel.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 to 3, a dust-settling device for building construction comprises a base plate 1, a water tank 2, a rotating mechanism 3, an atomizing mechanism 4, a water supply mechanism, a handle 8 and a rotating wheel 11; a plurality of rotating wheels 11 are rotatably arranged on the bottom surface of the bottom plate 1 through supporting legs 9 and connecting rods 10, and a handle 8 is fixedly arranged at one end of the bottom plate 1; the water tank 2 is fixedly arranged on the top surface of the bottom plate 1, the water supply mechanism is arranged in the water tank 2, and the water supply mechanism is communicated with the water tank 2 and the atomization mechanism 4; the rotating mechanism 3 is arranged in the water tank 2, and the output end of the rotating mechanism 3 extends to the upper side of the water tank 2 and is connected with the atomizing mechanism 4, so that the atomizing mechanism 4 can be rotatably arranged above the water tank 2 by 360 degrees through the rotating mechanism 3.
The rotating mechanism 3 is used for controlling the rotation of the atomizing mechanism 4, the atomizing mechanism 4 is arranged above the water tank 2, and the rotating angle is not limited, so that the rotating range of the atomizing mechanism 4, namely the spraying dust fall range of the construction site, can be enlarged. The water supply mechanism is used for pumping the water in the water tank 2 into the atomizing mechanism 4, so that the atomizing mechanism 4 can conveniently spray water mist into a construction site, and the effect of dust fall is achieved. The base plate 1, the handle 8 and the rotating wheels 11 form a handcart structure, so that the utility model is convenient for flexible movement on a construction site, thereby further improving the spraying and dust-reducing effects.
Preferably, the base plate 1, the rotating mechanism 3, the atomizing mechanism 4, the water supply mechanism, the handle 8 and the rotating wheel 11 are integrally made of materials with higher hardness such as steel materials, and the water tank 2 is made of plastic materials with higher hardness so as to ensure the load performance and the service life. The handles 8 may be symmetrically provided in a pair, and the rotating wheels 11 may be provided one at each of four corners of the base plate 1 of the rectangular structure.
Referring to fig. 4, the rotating mechanism 3 includes a first motor 302, a first rotating rod 303, a first gear 304, a second gear 305, and a second rotating rod 306; the output end of the first motor 302 is coaxially and fixedly connected with a first rotating rod 303, and a first gear 304 is coaxially arranged on the first rotating rod 303; the first gear 304 is meshed with the second gear 305, the second gear 305 is coaxially arranged on the second rotating rod 306, and one end of the second rotating rod 306 penetrates through the water tank 2 and is fixedly connected with the bottom of the atomizing mechanism 4.
Preferably, the first motor 302 may be a small motor having forward and reverse rotation as is known in the art. The first rotating rod 303 rotates synchronously with the output shaft of the first motor 302 and drives the first gear 304 to rotate synchronously, the first gear 304 is meshed with the second gear 305, and the second gear 305 drives the second rotating rod 306 to rotate. The second rotating rod 306 drives the atomizing mechanism 4 to synchronously rotate, so that 360-degree all-directional rotation of the atomizing mechanism 4 is realized, the forward and reverse rotation functions are realized, the rotation flexibility is higher, and the atomizing dust fall range of a building construction site is enlarged.
Referring to fig. 4, the rotating mechanism 3 further includes a protective frame 301, the protective frame 301 is disposed on the top of the inner wall of the water tank 2, and the first motor 302, the first rotating rod 303, the first gear 304, the second gear 305 and the second rotating rod 306 are disposed in the protective frame 301 and isolated from water in the water tank 2; the second rotating rod 306 penetrates the protective frame 301 and the water tank 2 and is connected with the atomizing mechanism 4, and the water supply mechanism penetrates the protective frame 301.
The protection frame 301 can play a waterproof role and is used for protecting the first motor 302, the first rotating rod 303, the first gear 304, the second gear 305 and the second rotating rod 306, the water level in the water tank 2 can be controlled to be lower than that of the protection frame 301, and preferably, the protection frame 301 can be made of plastic materials with higher hardness.
Referring to fig. 5, the atomization mechanism 4 includes a rotating plate 401, an atomizer 402, a rotating rod 403, a supporting plate 404 and an adjusting mechanism; the rotating plate 401 is fixedly arranged on the top of the second rotating rod 306 and is positioned above the water tank 2, one end of the atomizer 402 is rotatably arranged above the water tank 2 through the supporting plate 404 and the rotating rod 403, and the other end of the atomizer 402 is rotatably arranged above the water tank 2 through the adjusting mechanism; the water supply mechanism penetrates through the rotating plate 401 and is connected with the atomizer 402.
The rotating plate 401 is mounted on the second rotating rod 306, and realizes the forward or reverse omnibearing rotation through the second rotating rod 306. The rotating plate 401 is used for bearing and rotating the atomizer 402, the rotating rod 403, the supporting plate 404 and the adjusting mechanism; the atomizer 402 can realize a rotation adjustment angle through the rotating rod 403 and the adjustment mechanism. Preferably, the atomizer 402 may employ a mist spraying apparatus commonly used for atomizing dust fall.
Referring to fig. 5, the adjusting mechanism includes a lifting plate 407, a second motor 409, a third rotating rod 410, a third gear 411, a fourth gear 412 and a threaded rod 413; one end of a lifting plate 407 is hinged to the bottom of the other end of the atomizer 402 through a hinge bracket 405 and a hinge 406, the other end of the lifting plate 407 is screwed on a threaded rod 413 through thread matching, and the lifting plate 407 is arranged above the rotating plate 401 in a lifting manner through a supporting plate 404; the second motor 409 is fixedly installed on the rotating plate 401 through the fixed frame 408, one end of the third rotating rod 410 is coaxially and fixedly connected with the output shaft of the second motor 409, and the other end of the third rotating rod 410 penetrates through the fixed frame 408 and is coaxially and fixedly connected with the third gear 411; the lower part of the threaded rod 413 penetrates the fixed frame 408 and is rotatably provided on the rotating plate 401 by a rotating bearing, and a fourth gear 412 is coaxially installed at the lower part of the threaded rod 413 and is engaged with the third gear 411.
Preferably, the second motor 409 may be a small motor having forward and reverse rotation as in the prior art. The second motor 409 is electrified and started, so that the third rotating rod 410 and the output shaft of the second motor 409 synchronously rotate and drive the third gear 411 to synchronously rotate, the third gear 411 is meshed with the fourth gear 412, and the fourth gear 412 drives the threaded rod 413 to synchronously rotate. Since the lifting plate 407 and the supporting plate 404 can be connected in a sliding and matching manner through the T-shaped sliding groove and the sliding block, the lifting plate 407 is used for limiting the moving track of the lifting plate 407, so that the lifting plate can only move up and down and does not rotate along with the threaded rod 413, the rotation of the threaded rod 413 is converted into the linear lifting movement of the lifting plate 407 along the axial direction of the threaded rod 413 through threads, and the other end of the atomizer 402 is driven to lift up and down through the lifting plate 407. One end of the atomizer 402 rotates about a rotating rod 403 relative to a support plate 404 to effect angular adjustment of the atomizer 402.
The rotating plate 401 is formed with a first through hole (not shown in the figure), the second rotating rod 306 is coaxially formed with a second through hole (not shown in the figure), the bottom of the protective frame 301 is formed with a third through hole (not shown in the figure), and the first through hole, the second through hole and the third through hole are coaxially arranged, so that the water supply mechanism penetrates through the first through hole, the second through hole and the third through hole and is connected with the atomizer 402.
Through the arrangement of the first through hole, the second through hole and the third through hole, the rotating plate 401 rotates by taking the axis where the centers of the first through hole, the second through hole and the third through hole are located as the center line, so that the water supply channel of the water supply mechanism is smooth and is not influenced by the rotation of the rotating plate 401 and the second rotating rod 306.
Referring to fig. 1 to 3, the water supply mechanism includes a first communication pipe 5, a water pump 6 and a second communication pipe 7; the water pump 6 is arranged at the bottom of the protective frame 301, the water inlet end of the water pump 6 is communicated with the lower part of the water tank 2 through the first communicating pipe 5, and the water outlet end of the water pump 6 is connected with the atomizer 402 through the second communicating pipe 7; the second communication pipe 7 penetrates the first through-hole, the second through-hole, and the third through-hole.
Preferably, a rotating bearing can be arranged between the second communicating pipe 7 and the first through hole, so as to play a role in assisting rotation, ensure that water supply of the second communicating pipe 7 is not influenced by rotation of the rotating plate 401, and set a sealing ring between the second communicating pipe 7 and the third through hole, so as to play a role in preventing water from entering the protective frame 301. The second rotating rod 306 can also play a certain role in protecting the second communicating pipe 7.
Referring to fig. 1 to 5, the application method and the working principle of the utility model are as follows:
the constructor pushes the base plate 1 to a position where dust fall is required through four rotating wheels 11 by a pair of handles 8.
The first motor 302 is electrified and started, so that the first rotating rod 303 and an output shaft of the first motor 302 synchronously rotate and drive the first gear 304 to synchronously rotate, the first gear 304 is meshed with the second gear 305, and the second gear 305 drives the second rotating rod 306 to rotate. The second rotating rod 306 drives the rotating plate 401 to synchronously rotate, so that 360-degree all-directional rotation of the atomizer 402 is realized, and the atomization dust fall range is enlarged.
The second motor 409 is electrified and started, so that the third rotating rod 410 and the output shaft of the second motor 409 synchronously rotate and drive the third gear 411 to synchronously rotate, the third gear 411 is meshed with the fourth gear 412, and the fourth gear 412 drives the threaded rod 413 to synchronously rotate. The threaded rod 413 drives the lifting plate 407 to perform lifting motion along the axial direction of the threaded rod 413 by utilizing threads, so that the other end of the atomizer 402 is driven to rise or fall, and the angle adjustment of the atomizer 402 is realized.
During the angular adjustment of atomizer 402, the backup pad 404 of the relative atomizer 402 one end below of one end of through bull stick 403 rotates in the one end of atomizer 402, and the other end of atomizer 402 rotates through the backup pad 404 of the relative atomizer 402 other end below of articulated frame 405, utilizes articulated frame 405 to satisfy the angular rotation demand and the displacement demand of a small margin of the relative backup pad 404 of atomizer 402 through hinge 406 to guarantee that atomizer 402 one end rotates around bull stick 403, promote the angular adjustment flexibility of atomizer 402.
The water pump 6 is electrified and started, and the water in the water tank 2 is conveyed into the atomizer 402 through the first communicating pipe 5 and the second communicating pipe 7 by using pressure, and is atomized by the atomizer 402 and then sprayed out, so that the purpose of dust fall is achieved.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a construction dust device which characterized in that: comprises a bottom plate (1), a water tank (2), a rotating mechanism (3), an atomizing mechanism (4), a water supply mechanism, a handle (8) and a rotating wheel (11); a plurality of rotating wheels (11) are rotatably arranged on the bottom surface of the bottom plate (1), and a handle (8) is fixedly arranged at one end of the bottom plate (1); the water tank (2) is fixedly arranged on the top surface of the bottom plate (1), the water supply mechanism is arranged in the water tank (2), and the water supply mechanism is communicated with the water tank (2) and the atomization mechanism (4); the rotating mechanism (3) is arranged in the water tank (2), and the output end of the rotating mechanism (3) extends to the upper side of the water tank (2) and is connected with the atomizing mechanism (4), so that the atomizing mechanism (4) can be rotatably arranged above the water tank (2) by 360 degrees through the rotating mechanism (3).
2. The construction dust device according to claim 1, wherein: the rotating mechanism (3) comprises a first motor (302), a first rotating rod (303), a first gear (304), a second gear (305) and a second rotating rod (306); the output end of the first motor (302) is coaxially and fixedly connected with a first rotating rod (303), and a first gear (304) is coaxially arranged on the first rotating rod (303); the first gear (304) is meshed with the second gear (305), the second gear (305) is coaxially arranged on the second rotating rod (306), and one end of the second rotating rod (306) penetrates through the water tank (2) and is fixedly connected with the bottom of the atomization mechanism (4).
3. The construction dust device according to claim 2, characterized in that: the rotating mechanism (3) further comprises a protective frame (301), the protective frame (301) is arranged at the top of the inner wall of the water tank (2), and the first motor (302), the first rotating rod (303), the first gear (304), the second gear (305) and the second rotating rod (306) are arranged in the protective frame (301) and are isolated from water in the water tank (2); the second rotating rod (306) penetrates through the protective frame (301) and the water tank (2) and is connected with the atomization mechanism (4), and the water supply mechanism penetrates through the protective frame (301).
4. A construction dust device according to claim 3, wherein: the atomizing mechanism (4) comprises a rotating plate (401), an atomizer (402), a rotating rod (403), a supporting plate (404) and an adjusting mechanism; the rotating plate (401) is fixedly arranged at the top of the second rotating rod (306) and is positioned above the water tank (2), one end of the atomizer (402) is rotatably arranged above the water tank (2) through the supporting plate (404) and the rotating rod (403), and the other end of the atomizer (402) is rotatably arranged above the water tank (2) through the adjusting mechanism; the water supply mechanism penetrates through the rotating plate (401) and is connected with the atomizer (402).
5. The construction dust device according to claim 4, wherein: the adjusting mechanism comprises a lifting plate (407), a second motor (409), a third rotating rod (410), a third gear (411), a fourth gear (412) and a threaded rod (413); one end of a lifting plate (407) is hinged to the bottom of the other end of the atomizer (402) through a hinge (406) through a hinge bracket (405), the other end of the lifting plate (407) is connected to a threaded rod (413) in a matching and screwing mode, and the lifting plate (407) is arranged above the rotating plate (401) in a lifting mode through a supporting plate (404); the second motor (409) is fixedly arranged on the rotating plate (401) through the fixed frame (408), one end of the third rotating rod (410) is coaxially and fixedly connected with an output shaft of the second motor (409), and the other end of the third rotating rod (410) penetrates through the fixed frame (408) and is coaxially and fixedly connected with the third gear (411); the lower part of the threaded rod (413) penetrates through the fixed frame (408) and is rotatably arranged on the rotating plate (401), and the fourth gear (412) is coaxially arranged at the lower part of the threaded rod (413) and is in meshed connection with the third gear (411).
6. The construction dust device according to claim 4, wherein: the rotating plate (401) is provided with a first through hole, a second through hole is coaxially formed in the second rotating rod (306), a third through hole is formed in the bottom of the protective frame (301), and the first through hole, the second through hole and the third through hole are coaxially arranged, so that the water supply mechanism penetrates through the first through hole, the second through hole and the third through hole and is connected with the atomizer (402).
7. The construction dust device according to claim 6, wherein: the water supply mechanism comprises a first communicating pipe (5), a water pump (6) and a second communicating pipe (7); the water pump (6) is arranged at the bottom of the protective frame (301), the water inlet end of the water pump (6) is communicated with the water tank (2) through the first communicating pipe (5), and the water outlet end of the water pump (6) is connected with the atomizer (402) through the second communicating pipe (7); the second communicating pipe (7) penetrates the first through hole, the second through hole and the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418547.8U CN219376557U (en) | 2023-03-07 | 2023-03-07 | Building construction dust fall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320418547.8U CN219376557U (en) | 2023-03-07 | 2023-03-07 | Building construction dust fall device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219376557U true CN219376557U (en) | 2023-07-21 |
Family
ID=87191529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320418547.8U Active CN219376557U (en) | 2023-03-07 | 2023-03-07 | Building construction dust fall device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219376557U (en) |
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2023
- 2023-03-07 CN CN202320418547.8U patent/CN219376557U/en active Active
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