Dustproof net cover for road construction section
By using movable columns and roller structures at the construction site, the dust net is laid and stored above the construction section, solving the problem that existing dust nets cannot prevent the spread of dust, and achieving a larger dust blocking area and better operability.
Patent Information
- Application Number
- CN202311291507.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2043-10-08
AI Technical Summary
Existing dust nets are ineffective at preventing dust from spreading from the top of the construction site, affecting the surrounding environment and vehicle traffic safety.
The system employs a movable column and roller structure, using a drive source to lay and store the dust net above the construction section. The movable ring and roller structure allows for flexible adjustment and fixation of the dust net, increasing the dust-blocking area.
It effectively blocks construction dust from spreading from above the fence, reducing the impact on the surrounding environment and vehicle traffic. It is easy to operate and highly adaptable.
Smart Images

Figure CN117090428B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of road construction, in particular to a dust screen cover for road construction section. BACKGROUND
[0002] At present, after the city road or ordinary highway is put into use, the road surface damage or the need to widen the road often occurs, at this time, the construction of one side of the road is needed, and a large amount of dust and other particulate impurities will be generated in the construction site during the road surface construction process, which will cause great pollution to the surrounding air and environment, and will also affect the vehicle passing of the adjacent lane of the same road section. The usual solution is to block the large-scale diffusion of dust by surrounding the construction road section with dust screen or fence.
[0003] The patent document with the authorization announcement number CN217773683U in the related technology discloses a temporary dust prevention device for road engineering, which comprises a supporting rod, a dust screen, a three-way connecting pipe and a watering device. The whole structure is supported by the supporting rod, the supporting rod is fixed by the base, the water outlet of the external water pump is connected through the water inlet, so as to supply water to the watering device, the waterway is connected through the three-way connecting pipe, and the dust is blocked by the dust screen. The watering device can spray water mist to suppress dust rising, and at the same time, the dust screen is wetted to increase its dust adhesion.
[0004] The above technical scheme can effectively suppress the diffusion of dust to both sides of the road to a certain extent, but considering the windproof performance, the dust screen on both sides of the road is usually not set too high, which leads to the fact that part of the raised dust can still diffuse above the dust screen, which still may affect the surrounding environment and even the passing of vehicles on the adjacent lane. SUMMARY
[0005] In order to improve the situation that the dust generated in the construction section diffuses from the top of the dust screen area and affects the surrounding environment and the safety of vehicle passing, the present application provides a dust screen cover for road construction section.
[0006] The present application provides a dust screen cover for road construction section, which adopts the following technical scheme:
[0007] A dust screen cover for road construction section, comprising a movable stand column, the movable stand column is arranged on one side of the construction section, and a fence is arranged on the side away from the movable stand column of the construction section;
[0008] A roller is arranged on the side wall of the fence close to the movable stand column and close to the top of the fence, and the rotation axis of the roller is horizontal.
[0009] A movable ring is vertically and slidably connected to the movable stand column.
[0010] The dustproof net is fixed at one end of the roller outer wall and detachably connected to the movable ring at the other end.
[0011] By adopting the above technical scheme, a plurality of movable columns are arranged at intervals on the side of the construction road without vehicle passing, a fence is arranged on the side with vehicle passing, the roller with the dustproof net wound thereon is installed on the top of the inner side of the fence, before the construction, one end of the dustproof net is pulled out from the roller and detachably connected to the movable ring of two adjacent movable columns, then the movable ring is lifted along the movable column, so that the dustproof net is erected above the construction section, the inclined dustproof net can block the dust above the fence and about to spread to the adjacent lane, thereby reducing the influence of the dust generated during the construction on the surrounding environment and driving safety.
[0012] Optionally, the driving source is further arranged, the plurality of rollers are coaxially arranged, and the plurality of dustproof nets are correspondingly arranged, and the driving source is used to drive the plurality of rollers to rotate simultaneously.
[0013] The plurality of movable columns are arranged at intervals along the direction parallel to the axis of the roller, and the movable ring is arranged on each movable column.
[0014] By adopting the above technical scheme, the plurality of rollers are coaxially arranged together, the roller is driven to rotate by the driving source, the dustproof net is convenient to take out and retract, when the two corners of the dustproof net are fixed on the adjacent two movable columns, the dustproof net is in a slightly transversely stretched state, which is beneficial to the spreading of the dustproof net and increases the dust blocking area of the dustproof net.
[0015] Optionally, the movable ring is sleeved on the movable column, the movable ring is provided with a roller near the side of the movable column, the movable column is provided with a roller groove corresponding to the roller, and the movable column is further provided with a driving mechanism for driving the movable ring to move along the height direction of the movable column.
[0016] By adopting the above technical scheme, the movable column is provided with the roller groove, the inner wall of the movable ring is provided with the roller, the movable ring is sleeved on the movable column, the roller can roll in the corresponding roller groove, the driving mechanism drives the movable ring to move up and down along the movable column, thereby driving the dustproof net to rise or fall.
[0017] Optionally, the driving mechanism comprises a screw rod rotationally connected in the movable column, a sliding block is threadedly connected to the screw rod, the end of the sliding block away from the screw rod extends out of the movable column, a sliding groove is formed in the movable column for the movement of the sliding block, and the movable ring is fixed to the sliding block.
[0018] By adopting the above technical scheme, when the screw rod rotates, the sliding block on the screw rod moves up and down, the sliding block moves along the sliding groove formed in the movable column, the movable ring is fixed to the sliding block, so that the movable ring moves up and down with the sliding block and does not rotate.
[0019] Optionally, the driving mechanism further comprises a first bevel gear, a second bevel gear and a rotating rod, the first bevel gear is coaxially fixed to the bottom of the screw rod, the second bevel gear is engaged with the first bevel gear, one end of the rotating rod is coaxially fixed to the second bevel gear, the other end of the rotating rod penetrates through the movable stand, and a crank is arranged to drive the rotating rod to rotate.
[0020] By adopting the above technical scheme, the rotating shaft is coaxially arranged with the second bevel gear, when the crank is manually rotated, the rotating shaft drives the second bevel gear to rotate, the second bevel gear is engaged with the first bevel gear, the second bevel gear drives the first bevel gear to rotate, and the first bevel gear drives the coaxial screw rod to rotate, so that the sliding block on the screw rod moves to drive the movable ring.
[0021] Optionally, a positioning hole is arranged in the rod body penetrating through one end of the rotating rod, a fixed block is arranged on the outer wall of the movable stand, and a locking piece is arranged in the positioning hole and is inserted or threadedly connected with the fixed block at one end.
[0022] By adopting the above technical scheme, when the movable ring is moved to a suitable position by rotating the crank, the one end of the locking piece is connected with the fixed block to lock the rotating rod, and the sliding block stops moving due to the self-locking function of the screw rod, so that the position of the movable ring is fixed.
[0023] Optionally, a hook is arranged on the side wall of the movable ring away from the movable stand, and a lifting ring is arranged on one end of the dust screen close to the movable stand.
[0024] By adopting the above technical scheme, after the dust screen is pulled out of the roller by the construction personnel, the lifting ring on the dust screen is hung on the hook of the movable ring to realize the fixed connection of the dust screen and the movable ring, and the combination of the lifting ring and the hook facilitates the installation and disassembly of the construction personnel.
[0025] Optionally, two hooks are arranged on the outer wall of the movable ring at intervals, and two lifting rings are arranged on the dust screen close to the movable stand at intervals, and the adjacent two lifting rings of the dust screen are connected to the same movable stand through the hooks.
[0026] By adopting the above technical scheme, two hooks are arranged on the movable ring of one movable stand, and two hooks are also arranged on the dust screen of the same roller, and the adjacent two dust screens can be fixed on the same movable stand through the two hooks on the movable ring, so as to reduce the gap between the adjacent two dust screens.
[0027] Optionally, a shaft coupling is arranged between the adjacent two rollers, and the driving source is used to drive one of the rollers to rotate.
[0028] By adopting the technical scheme, when the dust screen needs to be removed after construction, the dust screen is first lowered and removed from the movable ring, at this time the driving source is started, the driving source output shaft drives the roller to rotate, and the dust screen is wound on the roller, which is convenient for storage and next use, the shaft coupler is used to connect the plurality of rollers, so that one driving source can wind all the dust screens on the corresponding rollers.
[0029] Optionally, the dust screen is provided with a connecting piece on both sides, the connecting pieces of adjacent dust screens are detachably connected, and the interval between the two adjacent dust screens can be closed after connection.
[0030] By adopting the technical scheme, when the dust screen is fixed on the movable ring, the two adjacent dust screens are connected by the connecting piece, the dust screen is further stretched, the coverage area of the dust screen is expanded, the gap between the dust screens is reduced, and the dustproof effect is effectively improved.
[0031] In summary, the present application has at least one of the following beneficial effects:
[0032] 1. The dust screen is laid on the construction road above the fence and movable column on both sides of the construction road, effectively blocking the dust generated by the construction from spreading from the fence to the adjacent lane, thereby reducing the influence of dust on the surrounding environment and vehicle traffic;
[0033] 2. The dust screen is laid by using the structure of the lead screw, sliding block and bevel gear, which is convenient for personnel operation, the height of the laid dust screen can be flexibly adjusted, and the adaptability is better;
[0034] 3. The dust screen is stored in the roller, which is convenient for taking out the dust screen, and the driving source is used to drive the roller to rotate, so that the dust screen is more convenient and fast to recover. BRIEF DESCRIPTION OF DRAWINGS
[0035] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;
[0036] Figure 2 is a schematic diagram of the overall structure of the embodiment of the present application; Figure 1
[0037] Figure 3 is a side view schematic diagram of the movable column of the embodiment of the present application;
[0038] Figure 4 is a local structure schematic diagram of the embodiment of the present application showing the structure of the sliding block and the roller;
[0039] Figure 5 is a local structure schematic diagram of the embodiment of the present application showing the locking structure of the rotating rod;
[0040] Figure 6 is a top view schematic diagram of the embodiment of the present application.
[0041] Explanation of reference signs: 1, movable column; 11, screw rod; 12, first bevel gear; 13, second bevel gear; 14, rotating rod; 15, sliding groove; 16, roller groove; 17, crank handle; 18, fixed block; 19, locking piece; 2, roller; 21, shaft coupling; 3, movable ring; 31, roller; 32, hook; 33, connecting plate; 4, dust screen; 41, lifting ring; 42, connecting piece; 5, fence; 6, driving source; 7, sliding block; 8, construction section; 9, positioning hole. DETAILED DESCRIPTION
[0042] The following will be described in detail with reference to the accompanying drawings Figures 1-6 The application is further described in detail.
[0043] The road construction section dust screen cover disclosed by the embodiments of the application comprises a movable column 1, a roller 2 and a dust screen 4. Figure 1 and Figure 2 The dust screen 4 can be selected according to actual conditions, the number of the rollers 2 is two, the rollers 2 are fixed to the top of the fence 5 on one side of the construction section 8 and located on the side of the fence 5 close to the construction section 8, and three movable columns 1 are fixed to the other side of the construction section 8. The dust screen 4 can be stored on the roller 2 by winding, a driving source 6 is further fixed to one side of the roller 2 for driving the roller 2 to rotate, and the driving source 6 is a motor. A movable ring 3 is slidably connected to the movable column 1, the movable ring 3 is sleeved on the movable column 1 and can move up and down along the movable column 1, two hooks 32 are fixed to the movable ring 3 at intervals, two lifting rings 41 are fixed to the dust screen 4, and adjacent two dust screens 4 can be fixed to the same movable ring 3 through the cooperation of the lifting rings 41 and the hooks 32. A driving mechanism is further arranged in the movable column 1 for driving the movable ring 3 to move up and down. In other embodiments of the application, the number of the rollers 2 and the movable columns 1 can be set according to actual conditions, and the construction section 8 can be completely covered.
[0044] Before the road construction, the roller 2 provided with the dust screen 4 is installed on the top of the inner side of the fence 5, the movable column 1 is fixed to the other side of the construction road, the dust screen 4 is pulled out from the roller 2, and the dust screen 4 is fixed to the hooks 32 of the movable ring 3 through the lifting rings 41. At this time, multiple construction workers drive the movable ring 3 to move upward by using the driving mechanism, the movable ring 3 pulls the dust screen 4 to rise upward, and finally the dust screen 4 is erected above the construction section 8 in an inclined manner, which can reduce the diffusion of dust generated by the construction from above the fence 5 and reduce the influence of the dust on the surrounding environment or vehicles driving on adjacent lanes.
[0045] Reference Figure 3The driving mechanism inside the movable column 1 comprises a screw rod 11, a first bevel gear 12 and a second bevel gear 13. The screw rod 11 is rotationally connected inside the movable column 1. A sliding block 7 is threadedly connected to the screw rod 11. The first bevel gear 12 is coaxially fixed to the bottom of the screw rod 11. The second bevel gear 13 is perpendicular to the first bevel gear 12 in terms of the axis, and is rotationally connected to the inner wall of the movable column 1. The first bevel gear 12 is engaged with the second bevel gear 13.
[0046] With reference to Figure 3 and Figure 4 One end of the sliding block 7 is threadedly connected to the screw rod 11, and the other end penetrates the movable column 1. A sliding groove 15 is formed on the side wall of the movable column 1, and the end of the sliding block 7 penetrating the movable column 1 moves up and down along the sliding groove 15. A roller 31 is fixed to the inner wall of the movable ring 3. A roller groove 16 is integrally formed on the outer wall of the movable column 1, and the roller 31 can roll in the roller groove 16. A connecting piece 33 is integrally formed on the movable ring 3. A through hole is formed on the connecting piece 33. The end of the sliding block 7 penetrating the movable column 1 is also provided with a through hole. A bolt is inserted into the through holes of the connecting piece 33 and the sliding block 7, and the other end of the bolt is fixed with a nut, so as to fix the movable ring 3 on the sliding block 7.
[0047] With reference to Figure 3 and Figure 5 The driving mechanism further comprises a rotating rod 14, which is coaxially fixed with the second bevel gear 13, and the other end penetrates the movable column 1. A positioning hole 9 is formed on the rod of the rotating rod 14 penetrating the movable column 1, and a handle 17 is fixed to one end of the rotating rod 14. A fixing block 18 is welded on the outer wall of the movable column 1 corresponding to the position of the rotating rod 14. A threaded hole is formed on the fixing block 18. A locking piece 19 is inserted into the positioning hole 9, and one end of the locking piece 19 is threadedly connected with the fixing block 18. In other embodiments of the present application, the locking piece 19 can also be a bolt, and the locking piece 19 can be inserted with the fixing block 18.
[0048] When the dust screen 4 is fixed on the hook 32 of the movable ring 3 through the lifting ring 41, the operator can manually rotate the handle 17, so that the rotating rod 14 drives the second bevel gear 13 to rotate. The second bevel gear 13 is engaged with the first bevel gear 12, so that the first bevel gear 12 drives the screw rod 11 to rotate. The rotation of the screw rod 11 drives the sliding block 7 to move upward relative to the screw rod 11. The sliding block 7 drives the movable ring 3 to move upward at the same time. The movable ring 3 moves upward along the roller groove 16 through the roller 31, so as to drive one end of the dust screen 4 to move upward, and erect the dust screen 4 above the construction section 8. After the dust screen 4 is lifted to the target position, the handle 17 is stopped from rotating, and the locking piece 19 is tightened at the same time, so that the angle of the rotating rod 14 is fixed, and the position of the dust screen 4 is fixed.
[0049] With reference to Figure 6, two adjacent rollers 2 are provided with a shaft coupling 21, the shaft coupling 21 connects the adjacent rollers 2 together, so that one driving source 6 can drive two rollers 2 to rotate at the same time, after the road construction is completed, the dust screen 4 is fixed at one end of the movable ring 3 and is lowered, the lifting ring 41 of the dust screen 4 is taken out, the driving source 6 is started, the output shaft of the driving source 6 drives the roller 2 to rotate, so that the dust screen 4 is wound on the roller 2.
[0050] With reference to Figure 6 , the dust screen 4 is fixed with a connecting piece 42 on the edge of the length direction of the roller 2, the connecting piece 42 can be a magic tape, and the magic tapes on both sides of the dust screen 4 are respectively hook faces and wool faces, the connecting piece 42 is used to fix two adjacent dust screens 4 together, so that the scattered dust screens 4 form a whole, reduce the diffusion of dust from the gap between the dust screens 4, and further stretch the dust screen 4 to expand the coverage area of the dust screen 4. In other embodiments of the application, the connecting piece 42 can also be in the form of a zipper, which can fix the adjacent dust screens 4 together.
[0051] The implementation principle of the dust screen 4 cover of the road construction section in the embodiment of the application is that one end of the dust screen 4 is wound outside the roller 2, the other end is fixed on the hook 32 of the movable ring 3 through the lifting ring 41, the handle 17 is rotated to drive the rotating rod 14 to rotate, the rotating rod 14 drives the second bevel gear 13 and the first bevel gear 12 to rotate, the first bevel gear 12 drives the coaxial lead screw 11 to rotate, the lead screw 11 drives the sliding block 7 to move along the opening direction of the sliding groove 15, the sliding block 7 drives the movable ring 3 fixed thereon to move together, so that rotating the rotating rod 14 can make the dust screen 4 rise or fall, when the dust screen 4 rises to the appropriate position with the movable ring 3, the rotating of the rotating rod 14 is stopped, the locking piece 19 is threaded in the positioning hole 9 and is screwed with the fixed block 18 to fix the angle of the rotating rod 14; when the dust screen 4 falls to the ground, the lifting ring 41 is removed and the driving source 6 is started, the driving source 6 drives the roller 2 to rotate, and the fallen dust screen 4 is wound on the roller 2.
[0052] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered in the protection scope of the application.
Claims
1. A dust screen for a road construction section, characterised in that: The utility model provides an activity column (1) is arranged in construction road section (8) one side, and construction road section (8) is away from the activity column (1) one side and is provided with the enclosure (5) of activity column (1) one side, Roller (2) is rotationally arranged in the side wall of the enclosure (5) near the activity column (1) one side, and is located near the top of the enclosure (5), the roller (2) rotation axis is horizontal, The movable ring (3) is vertically slidably connected to the movable column (1), The dust screen (4) is fixed to the outer wall of the roller (2) at one end, and the other end is detachably connected to the movable ring (3), It also includes a drive source (6), the roller (2) is coaxially provided with a plurality of, the dust screen (4) is also provided with a plurality of, the drive source (6) is used for simultaneously driving a plurality of roller (2) rotation, The movable column (1) is spaced apart along the axis direction of the roller (2), and the movable ring (3) is arranged on each movable column (1), The movable ring (3) is sleeved on the movable column (1), the movable ring (3) is provided with a roller (31) on the side close to the movable column (1), the movable column (1) is provided with a roller groove (16) corresponding to the roller (31), and the movable column (1) is further provided with a driving mechanism for driving the movable ring (3) to move along the height direction of the movable column (1), The side wall of the movable ring (3) away from the movable column (1) is provided with a hook (32), and the dust screen (4) is provided with a lifting ring (41) on the end close to the movable column (1), Two hooks (32) are spaced apart on the outer wall of the movable ring (3), two lifting rings (41) are spaced apart on the end of the dust screen (4) close to the movable column (1), and the adjacent lifting rings (41) of the two adjacent dust screens (4) are connected to the same movable column (1) through the hook (32), The dust screen (4) is provided with a connecting piece (42) on both sides, the connecting pieces (42) of adjacent dust screens (4) are detachably connected, and after connection, the interval between the two adjacent dust screens (4) can be closed.
2. A dust screen for a road work section according to claim 1, characterised in that: The driving mechanism comprises a screw rod (11) rotationally connected in the movable column, a sliding block (7) is threadedly connected to the screw rod (11), the end of the sliding block (7) away from the screw rod (11) extends out of the movable column (1), the movable column (1) is provided with a sliding groove (15) for the movement of the sliding block (7) in the height direction, and the movable ring (3) is fixed to the sliding block (7).
3. A road work section dust screen cover according to claim 2, characterised in that: The driving mechanism further comprises a first bevel gear (12), a second bevel gear (13) and a rotating rod (14), the first bevel gear (12) is coaxially fixed to the bottom of the screw rod (11), the second bevel gear (13) is engaged with the first bevel gear (12), one end of the rotating rod (14) is coaxially fixed in the second bevel gear (13), the other end penetrates out of the movable column (1), and a ratchet wrench (17) for driving the rotating rod (14) to rotate is arranged.
4. A road work section dust screen cover according to claim 3, characterised in that: The rotating rod (14) is provided with a positioning hole (9) at one end of the rod body of the movable stand (1), the movable stand (1) is provided with a fixed block (18) on the outer wall, a locking piece (19) is arranged in the positioning hole (9), and the locking piece (19) is arranged in the positioning hole (9) and is connected with the fixed block (18) through insertion or screwing.
5. A dust screen for a road work section as claimed in claim 1, wherein: Two adjacent roller cylinders (2) are provided with a shaft coupling (21), and the driving source (6) is used for driving one roller cylinder (2) to rotate.
Citation Information
Patent Citations
Temporary dustproof device for road engineering
CN217773683U
Environment -friendly nylon dust screen
CN206591912U
Dustproof fence for road construction
CN213389887U
Building greening dust screen
CN215164840U
Dust reduction device for roadbed construction
CN219387465U