CN113500079B - Electric dust-proof net covering device - Google Patents
Electric dust-proof net covering device Download PDFInfo
- Publication number
- CN113500079B CN113500079B CN202110690263.XA CN202110690263A CN113500079B CN 113500079 B CN113500079 B CN 113500079B CN 202110690263 A CN202110690263 A CN 202110690263A CN 113500079 B CN113500079 B CN 113500079B
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- Prior art keywords
- shaft
- dust screen
- winding shaft
- support frame
- chain
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- 239000000428 dust Substances 0.000 claims abstract description 77
- 238000004804 winding Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010276 construction Methods 0.000 abstract description 15
- 238000005096 rolling process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The application relates to an electric dust screen covering device, which belongs to the field of engineering construction and comprises a first support frame, a second support frame, a dust screen and an unwinding mechanism, wherein the first support frame and the second support frame are transversely arranged oppositely; the unwinding mechanism comprises a winding shaft, a supporting shaft and a driving assembly for driving the winding shaft to rotate; the winding shaft and the support shaft are parallel to each other; one end of the dustproof net is connected with the winding shaft, the other end of the dustproof net is provided with a moving shaft, the supporting shaft and the winding shaft are both provided with a transmission gear, and the transmission gear on the supporting shaft is connected with the transmission gear of the winding shaft through a chain; the moving shaft is connected with the chain; when the driving assembly drives the rolling shaft to release the cloth of the dustproof net, the chain drives the moving shaft to be far away from the rolling shaft; when the driving assembly drives the rolling shaft to roll the dust screen, the chain drives the moving shaft to be close to the rolling shaft. This application has the effect that flies into the raise dust in the air among the reduction foundation ditch work progress.
Description
Technical Field
The application relates to the field of engineering construction, in particular to an electric dust screen covering device.
Background
In the construction of ground project, in order to reduce the raise dust of construction site, need cover through the dust screen to naked earthwork is whole to reduce the produced raise dust of naked earthwork under the effect of blowing.
When carrying out foundation ditch construction, because at the in-process of construction, the dust screen need be lifted just can be under construction to the earthwork, and the in-process of construction still can produce a large amount of raise dusts to make the raise dusts fly into in the air, cause the pollution of air.
Disclosure of Invention
In order to reduce the raise dust that flies into in the air among the foundation ditch work progress, this application provides an electronic dust screen covering device.
The application provides an electronic dust screen cover device adopts following technical scheme:
an electric dust screen covering device comprises a first supporting frame, a second supporting frame, a dust screen and an unwinding mechanism, wherein the first supporting frame and the second supporting frame are transversely arranged oppositely;
the unwinding mechanism comprises a winding shaft rotatably supported on the first support frame, a support shaft rotatably supported on the second support frame and a driving assembly for driving the winding shaft to rotate;
the winding shaft and the support shaft are parallel to each other;
one end of the dustproof net is connected with the winding shaft, the other end of the dustproof net is provided with a moving shaft, and the moving shaft can reciprocate between the first support frame and the second support frame;
The supporting shaft and the winding shaft are both provided with a transmission gear, and the transmission gear on the supporting shaft is connected with the transmission gear of the winding shaft through a chain;
the moving shaft is connected with the chain;
when the driving assembly drives the rolling shaft to release the dustproof net, the chain drives the moving shaft to be far away from the rolling shaft;
when the driving assembly drives the rolling shaft to roll the dustproof net, the chain drives the moving shaft to be close to the rolling shaft.
Through adopting above-mentioned technical scheme, install first support frame and second support frame respectively in the pithead top department of the relative both sides of foundation ditch, carry out the in-process of being under construction at the foundation ditch, drive the dust screen through unwinding mechanism and expand, make the dust screen can cover the top at the foundation ditch to play and block the purpose that the raise dust flies into the air. And in the process of unfolding the dustproof net, the worker can still carry out construction operation in the foundation pit.
Optionally, a plurality of support rods are arranged on the dust screen along the length direction of the dust screen.
Through adopting above-mentioned technical scheme, through setting up the bracing piece to make the dust screen be in the state of expansion always.
Optionally, two parallel and oppositely arranged slide rails are arranged between the first support frame and the second support frame, the dust screen is positioned between the two slide rails, one end of each slide rail is connected with the first support frame, and the other end of each slide rail is connected with the second support frame;
the height of the slide rail is lower than that of the winding shaft;
one side of the sliding rail, which faces the dust screen, is provided with a guide groove arranged along the length direction of the sliding rail, the end of the supporting rod extends into the corresponding guide groove on the sliding rail, and the supporting rod can slide in the guide groove;
support seat plates are respectively arranged at two ends of the winding shaft, the winding shaft and the support seat plates are connected in a rotating mode, the support seat plates are fixed on the first support frame, and one side surface, facing the winding shaft, of each support seat plate is provided with an Archimedes spiral chute;
the guide groove is communicated with the sliding groove;
the supporting rod can move into the sliding groove from the guide groove;
the transmission gear and the chain are both positioned on the outer side of the sliding rail.
Through adopting above-mentioned technical scheme, thereby can support the bracing piece through making the bracing piece stretch into the guide way of slide rail, improve the stability of dust screen. When carrying out the rolling to the dust screen, the bracing piece enters into the spout along the guide way to on the spool is received in the rolling along with the dust screen.
Optionally, a hollow cavity is arranged inside the supporting rod, a water inlet pipe joint communicated with the cavity is arranged on the supporting rod, and a plurality of atomizing nozzles communicated with the inside of the cavity are arranged on the side wall of the supporting rod.
Through adopting above-mentioned technical scheme, at the in-process of construction, the accessible hose is linked together the cavity and the water supply installation of bracing piece, supplies water for the inside of cavity through water supply installation, supplies to the water of cavity inside and finally spouts with the form of water smoke through atomizer to play the dust fall and press down the purpose of dirt.
Optionally, the atomizing nozzle is detachably mounted on the support rod.
Through adopting above-mentioned technical scheme, when the condition of blockking up appears in atomizer, can change atomizer.
Optionally, a plurality of support columns are arranged below the slide rail along the length direction of the slide rail, and the top ends of the support columns are abutted to the slide rail.
Through adopting above-mentioned technical scheme, thereby can support the slide rail through the support post, improve the stability of slide rail.
Optionally, the moving shaft is connected to the chain via opposite clamping pieces, the opposite clamping pieces clamp one of the chain links inside, and the opposite clamping pieces are connected together via bolts.
Through adopting above-mentioned technical scheme, conveniently will remove the axle and be connected to together with the chain, in the installation, only need make relative centre gripping piece with the chain centre gripping in the centre to fix through the bolt, can accomplish and remove being connected between axle and the chain.
Optionally, the driving assembly comprises a driving motor installed on the first support frame, and a motor shaft of the driving motor is connected with the winding shaft through a gear transmission mechanism.
Through adopting above-mentioned technical scheme, link together driving motor and rolling axle through adopting gear drive, its driven efficient, reliable operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first support frame and the second support frame are respectively installed at the top ends of the pit walls on two opposite sides of the foundation pit, the dust screen is driven to be unfolded through the unwinding mechanism in the process of construction of the foundation pit, and the dust screen can be covered above the foundation pit, so that the purpose of blocking flying dust into the air is achieved. In the process of unfolding the dustproof net, workers can still carry out construction operation in the foundation pit;
2. thereby can support the dust screen through the bracing piece, make the dust screen still keep the state of expansion under the environment of strong wind.
Drawings
Fig. 1 is a schematic structural view of an electric dust screen covering device according to a first embodiment of the present application;
fig. 2 is a schematic partial structural view of a connection portion between a winding shaft and a support seat plate of the electric dust screen covering device according to the first embodiment of the present application;
fig. 3 is a partial structural view of a connection portion between a support shaft and a fixed seat plate of the electric dust screen covering device according to the first embodiment of the present application;
fig. 4 is a schematic structural view of an electric dust screen covering device according to a second embodiment of the present application;
fig. 5 is a schematic structural view of a dust screen in the second embodiment of the present application;
fig. 6 is a schematic structural view of the electric dust screen covering device according to the second embodiment of the present application between the slide rail and the supporting seat plate;
FIG. 7 is a schematic structural diagram of a supporting rod according to a second embodiment of the present application;
fig. 8 is a sectional view of a support rod according to a second embodiment of the present application.
Description of reference numerals: 1. a first support frame; 2. a second support frame; 3. a dust screen; 4. an unwinding mechanism; 41. a winding shaft; 42. a support shaft; 43. a drive assembly; 431. a drive motor; 432. a driving gear; 433. a driven gear; 44. a support base plate; 441. a chute; 45. fixing the seat plate; 46. a first drive gear; 47. a second transmission gear; 48. a chain; 49. a movable shaft; 5. a connecting member; 51. a clamping piece; 6. a slide rail; 61. a guide groove; 62. the guide rail is communicated; 621. a communicating groove; 7. supporting the upright post; 8. a support bar; 81. a chamber; 82. a water inlet pipe joint; 83. an atomizing spray head.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
Example one
The embodiment of the application discloses electronic dust screen covering device.
Referring to fig. 1, the electric dust screen covering device includes a first support frame 1 and a second support frame 2 which are transversely arranged oppositely, a dust screen 3 which is located between the first support frame 1 and the second support frame 2, and an unwinding mechanism 4 which is used for controlling the dust screen 3 to be unfolded or wound.
Referring to fig. 1 and 2, the unwinding mechanism 4 includes a winding shaft 41 rotatably supported at the top end of the first support frame 1, a support shaft 42 rotatably balanced at the top end of the second support frame 2, and a driving assembly 43 for driving the winding shaft 41 to rotate. The winding shaft 41 and the supporting shaft 42 are horizontally opposite and parallel to each other.
Two ends of the winding shaft 41 are respectively provided with a support seat plate 44 which is vertically arranged, and the bottom end of the support seat plate 44 is fixed on the first support frame 1 through a bolt. The winding shaft 41 is connected with the support seat plate 44 in a rotating way.
Referring to fig. 1 and 3, the two ends of the support shaft 42 are respectively provided with a fixing seat plate 45, and the fixing seat plates 45 are fixed on the second support frame 2 by bolts. The supporting shaft 42 is connected with the fixed seat plate 45 in a rotating way.
First transmission gears 46 are fixed at both ends of the take-up shaft 41, and second transmission gears 47 are fixed at both ends of the support shaft 42. First transmission gears 46 at both ends of the take-up shaft 41 are disposed opposite to second transmission gears 47 at both ends of the support shaft 42 one by one, respectively. The opposite first transmission gear 46 and the second transmission gear 47 are connected through an annular chain 48, and the chain 48 is meshed with the first transmission gear 46 and the second transmission gear 47 respectively.
The dust screen 3 is positioned between the two chains 48, and one end of the dust screen 3 is fixed with the winding shaft 41. One end of the dust screen 3 connected with the winding shaft 41 is wound on the winding shaft 41. The other end of the dustproof net 3 is fixed with a moving shaft 49, and the moving shaft 49 is parallel to the winding shaft 41. The moving shaft 49 is connected with the dust screen 3 in a sliding way. Both ends of the moving shaft 49 are connected to the opposite chains 48 through the links 5, respectively.
Referring to fig. 3, the connecting member 5 includes opposite clamping pieces 51, and one of the opposite clamping pieces 51 is fixed to the moving shaft 49. The opposing clamping tabs 51 clamp one of the links of the chain 48 between the opposing clamping tabs 51. The chain 48 is held between the intermediate opposing holding pieces 51 and fixed together by bolts.
Referring to fig. 1, when the driving assembly 43 drives the winding shaft 41 to rotate counterclockwise, along with the reverse rotation of the winding shaft 41, the chain 48 rotates toward the supporting shaft 42 under the action of the first transmission gear 46, and along with the rotation of the chain 48, the chain 48 drives the moving shaft 49 to be away from the winding shaft 41, so as to drive the dust screen 3 to be unfolded, and the cloth releasing process of the dust screen 3 is realized.
When the driving assembly 43 drives the winding shaft 41 to rotate clockwise, the chain 48 rotates towards the direction of the winding shaft 41 under the action of the first transmission gear 46 along with the forward rotation of the winding shaft 41, and the chain 48 drives the moving shaft 49 to be close to the winding shaft 41 along with the rotation of the chain 48, so that the dustproof net 3 is gradually wound on the winding shaft 41, and the winding process of the dustproof net is completed.
The driving assembly 43 includes a driving motor 431 fixed at the top end of one of the support seat plates 44 by bolts, and a motor shaft of the driving motor 431 is parallel to the take-up reel 41. The motor shaft of the driving motor 431 is connected with the winding shaft 41 through a driving gear 432 and a driven gear 433 which are meshed with each other, wherein the driving gear 432 is fixed on the motor shaft of the driving motor 431, and the driven gear 433 is fixed on the winding shaft 41.
The implementation principle of the electric dust screen covering device of the embodiment of the application is as follows: before the construction of the foundation pit engineering, the first support frame 1 and the second support frame 2 are respectively fixed at the top ends of the pit walls opposite to the foundation pit. When the dust screen 3 is unfolded, the driving motor 431 is started, the winding shaft 41 is driven to rotate anticlockwise under the action of the driving gear 432 and the driven gear 433, the winding shaft 41 drives the moving shaft 49 to be away from the winding shaft 41 under the driving of the chain 48 while the dust screen 3 is released, and therefore the dust screen 3 is unfolded above the foundation pit, and the opening of the foundation pit is covered below by the dust screen 3.
Example two
The embodiment of the application discloses electronic dust screen cover device.
Referring to fig. 4, the difference between the second embodiment and the first embodiment is: two sliding rails 6 which are positioned on the same horizontal height and are parallel to each other are also arranged between the first support frame 1 and the second support frame 2. The dust screen 3 is positioned between the two slide rails 6. A plurality of supporting columns 7 are arranged at intervals at the bottom end of the sliding rail 6 along the length direction of the sliding rail 6, and the top ends of the supporting columns 7 are abutted against and fixed with the sliding rail 6.
The slide rail 6 is provided with a guide groove 61 along the length direction of the slide rail 6 towards one side of the dust screen 3, and the guide grooves 61 on the two slide rails 6 are horizontally arranged oppositely.
Referring to fig. 4 and 5, a plurality of support rods 8 having a circular cross section are provided at intervals along the longitudinal direction of the dust screen 3 on the dust screen 3, and the support rods 8 are parallel to the moving shaft 49. The supporting rod 8 and the dust screen 3 are tied and fixed together through a rope. One end of the support rod 8 extends into the guide groove 61 of one of the slide rails 6, and the other end of the support rod 8 extends into the guide groove 61 of the other slide rail 6.
Referring to fig. 4 and 6, an archimedes spiral chute 441 is opened on a side surface of the support seat plate 44 facing the winding shaft 41, and the winding shaft 41 is located at a starting point of the chute 441. The width of the sliding groove 441 enables the end of the supporting rod 8 to extend into the sliding groove and the supporting rod 8 can move in the sliding groove 441.
The guide groove 61 on the slide rail 6 is communicated with the slide groove 441 on the support seat plate 44 through a communication guide rail 62, one end of the communication guide rail 62 is fixedly connected with the slide rail 6, and the other end of the communication guide rail 62 is fixedly connected with the support seat plate 44. The communication rail 62 is provided with a communication groove 621 for communicating the guide groove 61 and the slide groove 441. When the support rod 8 moves along the guide groove 61 toward the winding shaft 41, the support rod 8 can enter the sliding groove 441 from the guide groove 61.
Both ends of the take-up shaft 41 penetrate the connected support seat plate 44 to protrude to the outer side surface of the support seat plate 44. The first transmission gear 46 is located at the end of the take-up shaft 41 and outside the support saddle 44. Both ends of the support shaft 42 penetrate the connected fixed seat plate 45 to protrude to the outer side surface of the fixed seat plate 45. A second transmission gear 47 is located at the end of the support shaft 42 and outside the support saddle 44. Likewise, the chain 48 is located outside the slide rail 6.
The slide rail 6 is located at a height lower than the take-up shaft 41 and the support shaft 42, and the moving shaft 49 is located at a height higher than the slide rail 6.
By arranging the chain 48 outside the slide rail 6, the first transmission gear 46 is arranged outside the support seat plate 44, so that the interference of the first transmission gear 46 and the slide rail 6 on the support rod 8 is avoided when the dust screen 3 is rolled or unfolded.
Referring to fig. 7 and 8, a hollow chamber 81 is provided inside the support rod 8, a water inlet pipe joint 82 is provided on a side wall of one end of the support rod 8, and the water inlet pipe joint 82 and the support rod 8 are integrally formed or welded and fixed. The water inlet pipe joint 82 communicates with the chamber 81 inside the support bar 8.
Be located and offer a plurality of screw holes that are linked together with cavity 81 on the lateral wall of the body of rod of bracing piece 8, be located and all install atomizer 83 in the screw hole, thereby atomizer 83 passes through the screw hole of bracing piece 8 and links to each other with 8 screw threads of bracing piece.
At the time of construction, the water inlet pipe joint 82 of the support rod 8 is connected to a water supply device through a hose, so that water can be supplied to the chamber 81 inside the support rod 8 through the water supply device. The water introduced into the chamber 81 is finally sprayed in the form of mist by the atomizer 83.
The implementation principle of the electric dust screen covering device of the embodiment of the application is as follows: thereby can support dust screen 3 through bracing piece 8, set up hollow cavity 81 in the inside of bracing piece 8 simultaneously, and install the atomizer 83 that is linked together with cavity 81 on bracing piece 8. When the chamber 81 is connected to a water source, water entering the chamber 81 is sprayed in the form of mist, and dust can be removed from the foundation pit.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides an electronic dust screen covering device which characterized in that: the device comprises a first support frame (1) and a second support frame (2) which are transversely arranged oppositely, a dust screen (3) and an unreeling mechanism (4) for driving the dust screen (3) to be unfolded or folded;
the unwinding mechanism (4) comprises a winding shaft (41) rotatably supported on the first support frame (1), a support shaft (42) rotatably supported on the second support frame (2), and a driving assembly (43) for driving the winding shaft (41) to rotate;
the winding shaft (41) and the supporting shaft (42) are parallel to each other;
one end of the dustproof net (3) is connected with the winding shaft (41), the other end of the dustproof net (3) is provided with a moving shaft (49), and the moving shaft (49) can reciprocate between the first support frame (1) and the second support frame (2);
the supporting shaft (42) and the winding shaft (41) are both provided with a transmission gear, and the transmission gear on the supporting shaft (42) is connected with the transmission gear of the winding shaft (41) through a chain (48);
The moving shaft (49) is connected with the chain (48);
when the driving assembly (43) drives the winding shaft (41) to release the dustproof net (3), the chain (48) drives the moving shaft (49) to be far away from the winding shaft (41);
when the driving assembly (43) drives the winding shaft (41) to wind the dustproof net (3), the chain (48) drives the moving shaft (49) to be close to the winding shaft (41);
a plurality of supporting rods (8) are arranged on the dust screen (3) along the length direction of the dust screen (3).
2. The electric dust screen covering device according to claim 1, wherein: two parallel and oppositely arranged sliding rails (6) are arranged between the first support frame (1) and the second support frame (2), the dust screen (3) is positioned between the two sliding rails (6), one end of each sliding rail (6) is connected with the first support frame (1), and the other end of each sliding rail (6) is connected with the second support frame (2);
the height of the slide rail (6) is lower than that of the winding shaft (41);
one side, facing the dust screen (3), of each sliding rail (6) is provided with a guide groove (61) arranged along the length direction of each sliding rail (6), the end of each supporting rod (8) extends into the corresponding guide groove (61) in each sliding rail (6), and each supporting rod (8) can slide in each guide groove (61);
Two ends of the winding shaft (41) are respectively provided with a support seat plate (44), the winding shaft (41) and the support seat plates (44) are connected in a rotating mode, the support seat plates (44) are fixed on the first support frame (1), and one side surface, facing the winding shaft (41), of each support seat plate (44) is provided with an Archimedes spiral sliding groove (441);
the guide groove (61) is communicated with the sliding groove (441);
the supporting rod (8) can move into the sliding groove (441) from the guide groove (61);
the transmission gear and the chain (48) are both positioned on the outer side of the sliding rail (6).
3. The electric dust screen covering device according to claim 2, wherein: the inside of bracing piece (8) is provided with hollow cavity (81), be provided with on bracing piece (8) with water inlet pipe connects (82) that cavity (81) are linked together, install on the lateral wall of bracing piece (8) a plurality of with atomizer (83) that the inside of cavity (81) is linked together.
4. The electric dust screen covering device according to claim 3, wherein: the atomizing nozzle (83) is detachably arranged on the supporting rod (8).
5. The electric dust screen covering device according to claim 3, wherein: a plurality of supporting upright posts (7) are arranged below the sliding rail (6) along the length direction of the sliding rail (6), and the top ends of the supporting upright posts (7) are abutted to the sliding rail (6).
6. The motorized dust screen covering device according to claim 1, wherein: the moving shaft (49) is connected with the chain (48) through opposite clamping sheets (51), the opposite clamping sheets (51) clamp one chain link of the chain (48) inside, and the opposite clamping sheets (51) are connected together through bolts.
7. The electric dust screen covering device according to claim 1, wherein: the driving assembly (43) comprises a driving motor (431) arranged on the first support frame (1), and a motor shaft of the driving motor (431) is connected with the winding shaft (41) through a gear transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690263.XA CN113500079B (en) | 2021-06-22 | 2021-06-22 | Electric dust-proof net covering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690263.XA CN113500079B (en) | 2021-06-22 | 2021-06-22 | Electric dust-proof net covering device |
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| Publication Number | Publication Date |
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| CN113500079A CN113500079A (en) | 2021-10-15 |
| CN113500079B true CN113500079B (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110690263.XA Active CN113500079B (en) | 2021-06-22 | 2021-06-22 | Electric dust-proof net covering device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308976A (en) * | 2021-12-09 | 2022-04-12 | 中建三局集团有限公司 | Special-shaped foundation pit dustproof canopy and installation and use method thereof |
| CN117717846B (en) * | 2024-01-08 | 2024-05-31 | 中建三局集团有限公司 | Air convection type intelligent dustproof noise reduction awning system suitable for complex surrounding environment |
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| CN212499555U (en) * | 2020-05-08 | 2021-02-09 | 三原昆仑包装制品有限公司 | Dust cover for color printer |
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2021
- 2021-06-22 CN CN202110690263.XA patent/CN113500079B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120030651A (en) * | 2010-09-20 | 2012-03-29 | 한규생 | Hanger Dust Prevention Device |
| CN106925592A (en) * | 2017-03-10 | 2017-07-07 | 唐山港集团股份有限公司 | A kind of moveable lifting wind-proof dust-suppression equipment |
| CN212039567U (en) * | 2019-12-23 | 2020-12-01 | 彭森林 | Multifunctional dust falling device for construction engineering construction |
| CN211596474U (en) * | 2019-12-31 | 2020-09-29 | 中铁十局集团第二工程有限公司 | Deep foundation pit construction dust keeper |
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| CN113500079A (en) | 2021-10-15 |
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Application publication date: 20211015 Assignee: Beijing Geotechnical Engineering Association Assignor: Beijing Geotechnical Engineering Investigation Institute Co.,Ltd. Contract record no.: X2023990000384 Denomination of invention: Electric dustproof net covering device Granted publication date: 20220729 License type: Exclusive License Record date: 20230411 |
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