CN218881810U - Dust curtain net bearing device around construction foundation pit - Google Patents
Dust curtain net bearing device around construction foundation pit Download PDFInfo
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- CN218881810U CN218881810U CN202222902791.XU CN202222902791U CN218881810U CN 218881810 U CN218881810 U CN 218881810U CN 202222902791 U CN202222902791 U CN 202222902791U CN 218881810 U CN218881810 U CN 218881810U
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- 239000000428 dust Substances 0.000 title claims abstract description 52
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a dust-proof curtain net bearing device around a construction foundation pit, which comprises a dust-proof curtain net winding and unwinding device and a dust-proof curtain net display device, wherein the dust-proof curtain net winding and unwinding device and the dust-proof curtain net display device are arranged at intervals, and the dust-proof curtain net display device consists of a plurality of supporting rods arranged at intervals and a limiting clamping piece positioned at the upper part of the supporting rods; dust curtain net winding and unwinding device includes branch, and the branch middle part is provided with drive assembly, can realize the wind-up roll and the release operation to dust curtain net to contain cleaning device. The invention realizes that the dust screen is more convenient to store and install, is convenient to clean and is convenient to reuse.
Description
Technical Field
The utility model relates to a dustproof technical field of construction especially relates to a dust curtain net bears device around construction foundation ditch.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The dust screen is called as a wind-proof dust suppression screen and a wind-break wall, and is an environmental protection project for controlling the dust pollution in an open-air stock yard; the method is widely applied to bulk ports, fuel storage yards of thermal power plants, raw material fuel storage yards of iron and steel enterprises, raw material fuel storage yards of chemical enterprises, coal mining storage yards of coal mines and the like. The dust screen is processed into a wind-shielding and dust-suppressing wall with a certain geometric shape, aperture ratio and different aperture shapes according to the wind tunnel experiment result of the field environment implemented by utilizing the aerodynamic principle, thereby preventing the dust from flying.
A foundation pit dustproof work shed disclosed by CN209324009U can flexibly cover a foundation pit, and the repeated covering time of a dust raising net on a foundation pit engineering construction site is greatly saved on the premise of not influencing the vertical transportation construction of the foundation pit.
A foundation ditch dustproof worker canopy as CN215053034U discloses can make stand and crossbeam install fast and put into use and easy the removal, and equipment can use of changing a place fast. The rolling and release device of top dust screen is disclosed to current literature, but does not disclose rolling and the release to the dust screen around the foundation ditch to dust screen net accomodates and installs inconveniently around the current foundation ditch, and complex operation is troublesome and arduous, and the installation stability is not good enough, needs artifical manual clearance when collecting simultaneously, and the cleaning efficiency is low and is inconvenient to use.
Disclosure of Invention
Based on the technical problem of the existing dustproof curtain net furnishing, the invention provides a bearing device for the dustproof curtain net around a construction foundation pit, which is convenient for rolling and cleaning the dustproof curtain net.
The specific technical scheme is as follows: a dust-proof curtain net bearing device around a construction foundation pit comprises a dust-proof curtain net reeling and unreeling device and a dust-proof curtain net display device, wherein the dust-proof curtain net reeling and unreeling device and the dust-proof curtain net display device are arranged at intervals; the dust screen net winding and unwinding device comprises a supporting rod, and the supporting rod is as high as the supporting rod; the middle part of the supporting rod is provided with a bearing, and the lower part of the bearing on the supporting rod is also fixedly provided with a supporting table and a fixed seat; the outer side wall of the bearing is welded with a worm wheel, a worm is arranged on the support table through a rotating shaft, the worm wheel is meshed with the worm, and a rotating handle is arranged at the outer end of the worm shaft, which extends out of the support table; a gear a is sleeved on the supporting rod above the bearing, an insertion hole is formed in the top surface of the gear a, a winding roller is sleeved on the supporting rod above the gear a, a protrusion is arranged at the lower end of the winding roller, and the protrusion can be inserted into the insertion hole to connect the winding roller and the gear a together; the lower end face of the gear a is fixedly connected with the upper end face of the worm wheel; the winding roller is wound with a curtain net main body; the fixed seat is rotatably provided with a cleaning roller through a bearing, the lower end of the cleaning roller is provided with a gear b, the gear b is meshed with the gear a and is connected with the cleaning roller, a brush is arranged on the outer side of the cleaning roller, and the brush is in contact with a curtain net main body on the winding roller, so that the winding and unwinding and cleaning operations of the curtain net can be realized. After the dustproof curtain net is rolled up, the wind-up roll is washed by a water gun when necessary, so that a better cleaning effect is realized.
Further, the diameter of the gear b is smaller than that of the gear a, and the cleaning effect can be improved by increasing the rotation speed of the cleaning roller.
Further, the lower end face of the gear a is fixedly connected with the upper end face of the worm wheel through a plurality of connecting rods which are arranged in a welding mode, the worm wheel drives the gear a to rotate, the gear a drives the winding roller to rotate on the supporting rod, and the gear a drives the gear b and the cleaning roller to rotate; the lower end face of the gear a is fixedly connected with the upper end face of the worm wheel through a plurality of connecting rods which are arranged in a welding mode, so that the problem that the lower surface of the gear a is in contact with the supporting table to cause difficulty in operation is avoided.
Furthermore, the limiting clamping piece comprises a ] type clamping frame, two connecting blocks and an adjusting hand wheel, a pair of mounting holes are formed in the upper part of the supporting rod, and the upper end and the lower end of the ] type clamping frame are connected with the supporting rod through the mounting holes; the upper end and the lower end of the clamping frame are respectively provided with a connecting block, the connecting block is provided with a hole, and threaded holes are respectively arranged above the mounting hole at the upper end of the supporting rod and below the mounting hole at the lower end of the supporting rod; the adjusting hand wheel penetrates through the upper hole of the connecting block and is in threaded connection with the threaded hole on the supporting rod. The distance between the ] type clamping frame and the supporting rod can be adjusted through the adjusting hand wheel, and the dust screen net can penetrate through and be clamped.
Furthermore, a plurality of rolling limiting parts are arranged on the vertical rods of the clamping frame at intervals, the rolling limiting parts are rollers or bearings, the dust screen net can be penetrated and clamped through the rollers or the bearings, the dust screen net can be limited, the dust screen net is prevented from moving downwards, and the dust screen net is prevented from being missed.
Further, the gyro wheel or the bearing outside are provided with a plurality of conical protrusion, and conical protrusion can be further carry on spacingly to the dust curtain net, avoid its dust curtain net to move down.
The beneficial effects of the invention are as follows:
after the curtain net main body is installed at a proper use position of a foundation pit through the arranged support rod, the wind-up roll is sleeved on the support rod and is inserted into the gear a through the insertion hole, the worm rotates reversely after the installation is completed to push the worm gear to drive the bearing to rotate, the gear a drives the wind-up roll to rotate synchronously, and the curtain net main body is placed to a proper use length and is clamped and fixed through the limiting clamping assembly; after the use is finished, the adjusting hand wheel is rotated reversely, and the limiting clamping component is released to clamp the dust screen net; the handle is rotated in the reverse direction to enable the gear a to drive the winding roller to wind the curtain net body, meanwhile, the gear a rotates and is meshed with the gear b to be transmitted to rotate synchronously, the cleaning roller rotates to clean the curtain net body on the winding roller, and dust on the curtain net body is swept and cleaned. The problem of accomodate and install the dust curtain net inconvenient, complex operation is troublesome and energy-consuming is solved, installation stability is not good enough, need artifical manual the clearance when collecting simultaneously, the low awkward problem of cleaning efficiency has realized accomodating and installing more conveniently the dust curtain net, easy operation easy to assemble stability is good, can clear up the dust curtain net during the rolling, has improved cleaning efficiency, labour saving and time saving result of use is showing and is promoting.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the present invention;
FIG. 3 is a schematic view of the spacing clip of the present invention;
FIG. 4 is a schematic diagram of a disassembled structure of a limiting clamp with a rolling limiting element according to the present invention;
FIG. 5 is a schematic view of the structure of the spacing and clamping member with the conical protrusions of the present invention;
in the figure: 1. a strut; 2. a wind-up roll; 3. a screen main body; 4. a jack; 5. a gear a; 6. a rotating shaft; 7. a bearing; 8. a worm gear; 9. a worm; 10. a cleaning roller; 11. a limiting clamping piece; 12. a support table; 13. rotating the handle; 14. a fixed seat; 15. a gear b; 16. a type holding frame; 17. connecting blocks; 18. adjusting a hand wheel; 19 supporting rods; 20 rolling a limit piece; 21 conical protrusions.
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.
Example 1
As shown in fig. 1 and 2, a dust curtain net bearing device around a construction foundation pit comprises a dust curtain net reeling and unreeling device and a dust curtain net display device, wherein the dust curtain net reeling and unreeling device and the dust curtain net display device are arranged at intervals, the dust curtain net display device consists of a plurality of support rods 19 arranged at intervals and a limiting clamping piece 11 positioned at the upper part of the support rods, and the limiting clamping piece 11 is a clamping assembly capable of limiting the upper side and the lower side of the dust curtain net; the dust screen net winding and unwinding device comprises a supporting rod 1, and the supporting rod 1 and a supporting rod 19 are equal in height; a bearing 7 is arranged in the middle of the supporting rod 1, and a supporting table 12 and a fixed seat 14 are fixedly arranged at the lower part of the bearing 7 on the supporting rod 1; the outer side wall of the bearing 7 is welded with a worm wheel 8, a worm 9 is arranged on a support table 12 through a rotating shaft, the worm wheel 8 is meshed with the worm 9, and the outer end of the shaft of the worm 9 extends out of the support table 12 and is provided with a rotating handle 13; a gear a5 is sleeved on the support rod 1 above the bearing 7, the top surface of the gear a5 is provided with an insertion hole 4, a wind-up roller 2 is sleeved on the support rod 1 above the gear a5, the lower end of the wind-up roller 2 is provided with a bulge, and the bulge can be inserted into the insertion hole 4 to connect the wind-up roller 2 and the gear a5 together; the lower end face of the gear a5 is fixedly connected with the upper end face of the worm wheel 8; the winding roller 2 is wound with a screen main body 3; a cleaning roller 10 is rotatably arranged on the fixed seat 14 through a bearing, a gear b15 is arranged at the lower end of the cleaning roller 10, the gear b15 is meshed with the gear a5, a brush is arranged on the outer side of the cleaning roller 10, and the brush is in contact with the curtain net main body 3 on the winding roller 2; the folding and unfolding and cleaning operation of the screen net can be realized.
Further, the diameter of the gear b15 is smaller than that of the gear a5, and increasing the rotation speed of the cleaning roller can improve the cleaning effect.
Example 2
On the basis of the embodiment 1, further, the lower end face of the gear a5 is fixedly connected with the upper end face of the worm wheel 8 through a plurality of connecting rods which are arranged in a welding mode, the worm wheel drives the gear a to rotate, so that the gear a drives the winding roller to rotate on the supporting rod, and the gear a drives the gear b and the cleaning roller to rotate; the lower end face of the gear a is fixedly connected with the upper end face of the worm wheel through a plurality of connecting rods which are arranged in a welding mode, so that the problem that the lower surface of the gear a is in contact with the supporting table to cause difficulty in operation is avoided.
Example 3
On the basis of the embodiment 1, as shown in fig. 3, the limiting and clamping member 11 includes a ] type clamping frame 16, two connecting blocks 17 and an adjusting hand wheel 18, a pair of mounting holes are formed in the upper portion of the supporting rod 19, and the upper end and the lower end of the ] type clamping frame 16 are connected with the supporting rod 19 through the mounting holes; the upper end and the lower end of the type clamping frame 16 are respectively provided with a connecting block 17, a hole is formed in the connecting block 17, and threaded holes are respectively formed above the mounting hole at the upper end of the supporting rod 19 and below the mounting hole at the lower end of the supporting rod; the adjusting hand wheel 18 passes through the hole on the connecting block 17 and is in threaded connection with the threaded hole on the supporting rod 19. The distance between the ] type clamping frame and the supporting rod can be adjusted through the adjusting hand wheel, and the dust screen net can penetrate through and be clamped.
Example 4
On the basis of embodiment 3, further, as shown in fig. 4, a plurality of rolling position-limiting members 20 are arranged on the vertical rods of the type holding frame 16 at intervals, the rolling position-limiting members 20 are rollers or bearings, the passing and holding of the dust-proof screen net can be realized through the rollers or the bearings, and the dust-proof screen net can be limited, so that the dust-proof screen net is prevented from moving downwards, and the dust-proof screen net is prevented from missing. The profile clamping frame 16 is a channel-shaped clamping frame, comprising a vertical bar and two cross bars, the two cross bars being vertically provided with the top ends of the vertical bars.
Example 5
On the basis of embodiment 4, further, as shown in fig. 5, the outer side of the roller or the bearing is provided with a plurality of conical protrusions 21, and the conical protrusions can further limit the dust screen net to prevent the dust screen net from moving downwards. The length and the interval of the conical protrusions 21 are set according to the gap of the dust screen net, the length is generally 1-2 cm, the number of the conical protrusions of each rolling limiting part 20 is generally 6-10, and the interference on the rolling and releasing of the dust screen net is easily caused when the conical protrusions are too long or too sparse.
The working principle of the invention is as follows: when the curtain net fixing device is used, firstly, the supporting rod 1 and the supporting rod 19 are installed in the ground around a foundation pit to serve as a base fixing frame, the wind-up roll 2 is sleeved on the supporting rod 1 and is inserted into the gear a5 through the jack 4, after the installation is completed, the worm 9 is rotated reversely to push the worm wheel 8 to drive the bearing 7 to rotate, at the moment, the gear a5 drives the wind-up roll 2 to rotate synchronously, and the curtain net main body 3 is placed to a proper using length for dust prevention; after the use is finished, the adjusting hand wheel 18 is rotated reversely, and the limiting and clamping assembly 11 is released to clamp the dust screen net; reverse rotation rotates handle 13 and makes gear a5 drive wind-up roll 2 carry out the rolling to curtain net main part 3, and gear a5 drives gear a5 rotatory and meshing transmission to gear b15 synchronous revolution simultaneously, makes cleaning roller 10 rotate and cleans curtain net main part 3 on the wind-up roll 2, sweeps the clearance of falling to the dust on the curtain net main part 3, clears up when having made things convenient for the rolling, has improved clearance and rolling efficiency.
During the use, after removing the curtain net main part 3 to the position of the bracing piece 19 that corresponds, peg graft spacing holder 11 with bracing piece 19, make the curtain net main part 3 pass the gap of type clamping frame 16 and bracing piece 19, fix the curtain net main part 3 and prevent the landing, rotatory adjusting handle 18 and 19 threaded connection of bracing piece install and dismantle spacing holder 11, improved the installation stability of curtain net main part 3, made things convenient for the dismantlement simultaneously.
To the dust screen net at foundation ditch top, with traditional mode: adopt and directly build the mode of laying, also be exactly through stay cord etc. and support, then lay the curtain net at the top of foundation ditch, the installation of being convenient for is little to weight like this, and cost reduction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a construction foundation ditch dust curtain net bears device which characterized in that: the dustproof screen net displaying device is composed of a plurality of supporting rods (19) arranged at intervals and a limiting clamping piece (11) positioned at the upper part of the supporting rods, and the limiting clamping piece (11) is a clamping component capable of limiting the upper side and the lower side of the dustproof screen net;
the dust screen net winding and unwinding device comprises a supporting rod (1), and the supporting rod (1) and the supporting rod (19) are equal in height;
a bearing (7) is arranged in the middle of the supporting rod (1), and a supporting table (12) and a fixed seat (14) are fixedly arranged at the lower part of the bearing (7) on the supporting rod (1);
a worm wheel (8) is welded on the outer side wall of the bearing (7), a worm (9) is arranged on the support table (12) through a rotating shaft, the worm wheel (8) is connected with the worm (9) in a meshed mode, and a rotating handle (13) is arranged at the outer end of the shaft of the worm (9) extending out of the support table (12);
a gear a (5) is sleeved on the support rod (1) above the bearing (7), an insertion hole (4) is formed in the top surface of the gear a (5), a winding roller (2) is sleeved on the support rod (1) above the gear a (5), a protrusion is arranged at the lower end of the winding roller (2), and the protrusion can be inserted into the insertion hole (4) to connect the winding roller (2) and the gear a (5) together;
the lower end face of the gear a (5) is fixedly connected with the upper end face of the worm wheel (8);
a curtain net main body (3) is wound on the winding roller (2);
a cleaning roller (10) is rotatably arranged on the fixed seat (14) through a bearing, a gear b (15) is arranged at the lower end of the cleaning roller (10), the gear b (15) is meshed with the gear a (5) and connected, a brush is arranged on the outer side of the cleaning roller (10), and the brush is in contact with a curtain net main body (3) on the winding roller (2).
2. The construction foundation pit dust curtain net bearing device of claim 1, wherein: the diameter of the gear b (15) is smaller than that of the gear a (5).
3. The construction foundation pit dust curtain net bearing device of claim 1, wherein: the lower end face of the gear a (5) is fixedly connected with the upper end face of the worm wheel (8) through a plurality of connecting rods which are arranged in a welding mode.
4. The construction foundation pit dust curtain net bearing device of claim 1, wherein: the limiting clamping piece (11) comprises a ] type clamping frame (16), two connecting blocks (17) and an adjusting hand wheel (18), a pair of mounting holes are formed in the upper portion of the supporting rod (19), and the upper end and the lower end of the ] type clamping frame (16) are connected with the supporting rod (19) through the mounting holes;
the upper end and the lower end of the I-shaped clamping frame (16) are respectively provided with a connecting block (17), a hole is formed in the connecting block (17), and threaded holes are respectively formed above the mounting hole at the upper end and below the mounting hole at the lower end of the supporting rod (19);
the adjusting hand wheel (18) passes through the hole on the connecting block (17) and is in threaded connection with the threaded hole on the supporting rod (19).
5. The construction foundation pit dust curtain net bearing device of claim 4, wherein: the vertical rod of the holding frame (16) is provided with a plurality of rolling limiting parts (20) at intervals, and the rolling limiting parts (20) are rollers or bearings.
6. The construction foundation pit dust curtain net bearing device of claim 5, wherein: a plurality of conical bulges (21) are arranged at the outer side of the roller or the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222902791.XU CN218881810U (en) | 2022-11-01 | 2022-11-01 | Dust curtain net bearing device around construction foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222902791.XU CN218881810U (en) | 2022-11-01 | 2022-11-01 | Dust curtain net bearing device around construction foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN218881810U true CN218881810U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222902791.XU Active CN218881810U (en) | 2022-11-01 | 2022-11-01 | Dust curtain net bearing device around construction foundation pit |
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| Country | Link |
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| CN (1) | CN218881810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117818681A (en) * | 2024-03-04 | 2024-04-05 | 瑞斯特(福建)科技服务有限公司 | Large-dip-angle high-load carrying device for mine |
-
2022
- 2022-11-01 CN CN202222902791.XU patent/CN218881810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117818681A (en) * | 2024-03-04 | 2024-04-05 | 瑞斯特(福建)科技服务有限公司 | Large-dip-angle high-load carrying device for mine |
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| GR01 | Patent grant | ||
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Effective date of registration: 20240329 Address after: 650000, 23rd floor, Building C3, International Ginza, Shuntong Avenue, Economic and Technological Development Zone, Kunming City, Yunnan Province Patentee after: SHANGHAI CIVIL ENGINEERING GROUP SIXTH CO.,LTD. Country or region after: China Address before: No. 272-278, JIANGCHANG Third Road, Jing'an District, Shanghai Patentee before: SHANGHAI CIVIL ENGINEERING Co.,Ltd. OF CREC Country or region before: China Patentee before: SHANGHAI CIVIL ENGINEERING GROUP SIXTH CO.,LTD. |
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