Road surface leveling machine with dust raising prevention mechanism
By integrating dust collection, dust blocking, and adjustment components into the road screed, the problems of impurities falling off the pressure rollers and dust pollution are solved, achieving efficient road screeding and environmental protection.
Patent Information
- Application Number
- CN202520377670.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-05
AI Technical Summary
During the use of existing road screed machines, impurities adhere to the surface of the rollers and fall off, affecting the smoothness of the road surface. Furthermore, the rolling process generates dust that pollutes the environment.
The road screed is designed with a dust-proof mechanism. It uses a dust suction component to absorb dust, a dust blocking structure to prevent dust from flying, and an adjustment component to flexibly adjust the position of the screed component. Combined with a cleaning component, it removes impurities from the pressure roller and keeps the road surface clean.
It effectively reduces dust, keeps the road surface flat, and improves the convenience and environmental protection of the screed.
Smart Images
Figure CN223813676U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road surface leveling machine technical field, specifically is a road surface leveling machine with dustproof mechanism. BACKGROUND
[0002] When carrying out highway engineering, the damage phenomenon of small area of road surface is often encountered, and the conventional repair mode is to crush the damaged place, take out the crushed debris, pour the mixed asphalt concrete into the crushed pit for filling, and finally roll the asphalt concrete and the road surface to be flush through the leveling machine, so that the repair of the road surface is completed.
[0003] The conventional road surface leveling machine rolls the repair area through the pressure roller, and the surface of the pressure roller will adhere to some impurities, which are generally scraped off by the scraper to clean the pressure roller. In actual use, the adhering matter is scraped off and falls back to the ground, which may stick to the un-solidified asphalt and cause uneven ground, and needs to be repaired again. At the same time, in the process of rolling the road surface, dust may fly, which pollutes and damages the surrounding environment, is not conducive to the beauty of the city, and also affects the health of the staff.
[0004] It can be seen that the current leveling machine scheme still needs to be improved, and should be optimized to improve the convenience of the leveling machine, ensure the leveling effect, and maintain the environment. Therefore, a more reasonable technical scheme is needed to solve the technical problems in the prior art. CONTENT OF THE UTILITY MODEL
[0005] At least to overcome one of the above-mentioned defects, the utility model provides a road surface leveling machine with dustproof mechanism, which collects the adhering matter scraped off while cleaning the pressure roller, avoids affecting the flatness of the road surface, and also absorbs and processes the dust generated during the leveling process to reduce environmental pollution and damage.
[0006] In order to achieve the above purpose, the road surface leveling machine disclosed by the utility model can adopt the following technical scheme:
[0007] A road surface leveling machine with dustproof mechanism, comprising a leveling machine frame, a dust suction assembly is arranged on the leveling machine frame to absorb the dust generated during the leveling process; a leveling assembly is arranged in the middle of the leveling machine frame, the leveling assembly comprises a leveling roller group slidingly fitted to the leveling machine frame, and further comprises an adjusting assembly for moving the leveling roller group; a dust blocking structure is further arranged at the edge of the leveling machine frame to block the dust generated during the operation of the leveling assembly.
[0008] The disclosed road leveling machine, by taking the machine frame as the main structure, drives the leveling assembly to work at the position needing leveling; the dust blocking structure can avoid dust flying to the outside during the operation, and the dust suction assembly can adsorb the raised dust, thereby reducing the scattering of dust; the adjusting assembly can adjust the horizontal position of the leveling assembly, facilitating flexible leveling operation.
[0009] Further, the machine frame as the main structure of the entire leveling machine can be configured in various forms, and its structure is not uniquely limited. Here, one feasible option is optimized and proposed: the machine frame includes a pair of side beams arranged in parallel, and the leveling roller assembly is fitted to the side beams; the front ends of the two side beams are connected by a front main beam, and the dust suction assembly is arranged on the front main beam; the rear ends of the two side beams are connected by a rear main beam, and the adjusting assembly is arranged on the rear main beam. When the above scheme is adopted, the two side beams are arranged in parallel, and the front main beam and the rear main beam form a rectangular frame.
[0010] Further, the leveling assembly is fitted to the side beam and moves along the side beam. The fitting structure can adopt various schemes, and its structure is not uniquely limited. Here, one feasible option is optimized and proposed: the side beam is provided with a sliding groove, the leveling assembly includes a balance rod in sliding fit with the sliding groove, the lower part of the balance rod is connected with a compression roller, and the compression roller is covered by a compression roller cover; the compression roller is driven to rotate by a leveling motor to realize leveling action. When the above scheme is adopted, the leveling motor drives the compression roller to rotate, which can level the ground to be leveled.
[0011] Further, during the action of the compression roller leveling, impurities on the ground will adhere to the surface of the compression roller, which should be cleaned in time to avoid the impurities falling back to the ground, thereby keeping the leveling place clean. This can be achieved by various cleaning schemes, and its structure is not uniquely limited. Here, one feasible option is optimized and proposed: a cleaning assembly is arranged at the leveling assembly, the cleaning assembly includes a cleaning box connected with the compression roller cover, a cleaning roller is arranged in the cleaning box, the cleaning roller is driven by a cleaning motor and used to scrape off dirt and impurities on the compression roller, and a collection tank for collecting dirt and impurities is connected below the cleaning box. When the above scheme is adopted, the cleaning roller rotates to clean the compression roller, so that the dirt and impurities on the cleaning roller can be scraped off and fall into the collection tank below. The width of the collection tank is greater than the width of the cleaning box and the cleaning roller, so that the scraped dirt and impurities can be completely collected and accommodated; the collection tank can be detached from the cleaning box, facilitating the cleaning of the dirt and impurities inside.
[0012] Further, the adjusting assembly is used to adjust the position of the leveling assembly, various schemes can be adopted, and the structure is not uniquely limited, and one of the feasible options is optimized and proposed herein: the adjusting assembly includes an adjusting motor connected to the rear main beam, the output shaft of the adjusting motor coaxially drives the adjusting screw rod to rotate, the adjusting screw rod extends through the balance rod to form a threaded cooperation, and when the adjusting screw rod rotates, the balance rod is driven to slide along the sliding groove through the threaded cooperation. When the above scheme is adopted, the balance rod is driven to reciprocate along the sliding groove through the adjusting screw rod, which can cope with different leveling environments and correspondingly adjust the leveling operation.
[0013] Further, the dust suction assembly is used to suck the dust generated during the leveling process to avoid the situation of dust flying. The dust suction assembly can be constructed in various forms, and the structure is not uniquely limited, and one of the feasible options is optimized and proposed herein: the dust suction assembly includes a negative pressure cavity formed on the front main beam, and a filter cavity is also communicatively provided on both sides of the negative pressure cavity. The filter cavity is provided with a filter element, and a filter passage is formed in the filter element. The filter passage is connected to the negative pressure cavity by a communication pipe; a negative pressure fan is also provided on the front main beam, and the air inlet of the negative pressure fan is connected to the negative pressure cavity and the exhaust port extends to the outside of the front main beam. When the above scheme is adopted, the filter element can be made of filter cotton.
[0014] Further, some dust will enter the negative pressure cavity, in order to protect the negative pressure fan, the negative pressure cavity should be cleaned, therefore the structure at the negative pressure cavity can be improved, and the structure is not uniquely limited, and one of the feasible options is optimized and proposed herein: a detachable dust storage box is arranged at the negative pressure cavity, and the dust storage box is used to receive the dust and impurities entering the negative pressure cavity through the communication pipe. When the above scheme is adopted, a handle can be arranged on the dust storage box to facilitate pulling the dust storage box out of the negative pressure cavity.
[0015] Further, the filter cavity can also be optimized, and the opening of the filter cavity faces downward of the front main beam, and the filter element is embedded in the filter cavity from the opening, or is embedded in the filter cavity from both ends of the front main beam. When the above scheme is adopted, when the negative pressure fan operates, air is sucked from the opening, and impurities in the air are adsorbed on the filter element, thereby realizing adsorption of dust and avoiding scattering to the surroundings.
[0016] Further, the dust blocking structure is used to block the dust in the leveling machine frame from flying directly to the outside, and the structure is not uniquely limited, and one of the feasible options is optimized and proposed herein: the dust blocking structure includes a dust blocking plate arranged on the front main beam and the rear main beam. When the above scheme is adopted, the dust blocking plate includes an arc-shaped plate.
[0017] Further, the structure of the screed frame can be further optimized: the screed frame is provided below with a supporting walking mechanism, and the supporting walking mechanism comprises walking wheels and a supporting rod capable of being adjusted in lifting. When the above scheme is adopted, the walking mechanism comprises universal wheels, and can drive the screed frame to move, and the supporting rod is used to support and stabilize the screed.
[0018] According to the above scheme, in specific use, the screed frame is fixed, the screed motor and the adjusting motor are synchronously operated, the screed assembly is driven to reciprocate in the screed frame, and the compression roller is synchronously rotated, so that the ground below is leveled. Meanwhile, the dust suction assembly can suck the dust generated, and reduce the dust flying around.
[0019] Compared with the prior art, some beneficial effects of the technical scheme of the utility model include:
[0020] The utility model discloses a screed frame as a bearing main body, and the ground is leveled by the screed assembly, and the dust and sundries generated during the leveling operation of the screed assembly can be sucked and treated by the dust suction device, so that the surrounding environment is kept clean. Meanwhile, under the action of the adjusting assembly, the screed assembly reciprocates on the screed frame, and the flexibility and convenience of leveling are improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiments will be briefly introduced below, and it should be understood that the following drawings only represent some embodiments of the utility model, and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Fig. 1 It is the overall structure schematic diagram of the utility model;
[0023] Fig. 2 It is the front cut structure schematic diagram of the screed frame of the utility model;
[0024] Fig. 3 It is the cleaning box structure schematic diagram of the utility model;
[0025] Fig. 4 It is the filter structure schematic diagram of the utility model.
[0026] In the above drawings, the meaning of each mark is:
[0027] 1. Leveling machine frame; 101. Dust collection box; 102. Dust baffle; 103. Handle; 104. Slide groove; 105. Recessed structure; 2. Casters; 201. Support rod; 3. Adjusting motor; 301. Adjusting screw; 4. Leveling motor; 401. Pressure roller; 5. Negative pressure fan; 501. Exhaust port; 502. Air inlet; 503. Filter element; 504. Connecting pipe; 6. Balance bar; 7. Pressure roller cover; 8. Cleaning box; 9. Cleaning motor; 901. Cleaning roller; 10. Collection trough. Detailed Implementation
[0028] The following description, in conjunction with the accompanying drawings and specific embodiments, further illustrates this embodiment.
[0029] To address the shortcomings of existing leveling machines, such as insufficient structural flexibility, inconvenient operation, and the generation of large amounts of dust that make it difficult to keep the ground clean, the following embodiments are optimized to overcome these deficiencies.
[0030] Example
[0031] like Figs. 1-4 As shown, this embodiment provides a road screed with a dust prevention mechanism, including a screed frame 1. A dust suction component is provided on the screed frame 1 to absorb dust generated during the screeding process. A screeding component is provided in the middle of the screed frame 1. The screeding component includes a screeding roller group that is slidably fitted onto the screed frame 1, and an adjustment component for cooperating with and moving the screeding roller group. A dust-blocking structure is also provided at the edge of the screed frame 1 to block the dust generated by the operation of the screeding component.
[0032] The road screed disclosed in this embodiment uses the screed frame 1 as the main structure to drive the screed components to work at the location that needs to be screed; the dust-blocking structure can prevent dust from flying to the outside during the operation, and the dust suction component can absorb the dust that is raised, thereby reducing the dust dispersion; the adjustment component can adjust the horizontal position of the screed components, making it convenient and flexible to carry out screeding operations.
[0033] The leveling machine frame 1, as the main structure of the entire leveling machine, can be constructed in various forms, and its structure is not limited to a single one. This embodiment optimizes and adopts one feasible option: the leveling machine frame 1 includes a pair of parallel side beams, and the leveling roller assembly is fitted onto the side beams; the front ends of the two side beams are connected through a front main beam, and the dust suction assembly is mounted on the front main beam; the rear ends of the two side beams are connected through a rear main beam, and the adjustment assembly is mounted on the rear main beam. When the above scheme is adopted, the two side beams are arranged in parallel, forming a rectangular frame with the front and rear main beams.
[0034] Preferably, a handle 103 is provided on the side beam.
[0035] In some embodiments, the rear main beam is provided with a concave structure 105 to match the structure of the cleaning box 8, when the leveling assembly moves to the rear main beam, the cleaning box 8 can be moved and located in the concave structure 105.
[0036] The leveling assembly is matched to the side beam and moves along the side beam, the matching structure can adopt various schemes, and the structure is not uniquely limited, and one of the feasible choices is optimized and adopted in the embodiment: the side beam is provided with a sliding groove 104, the leveling assembly includes a balance bar 6 that is slidingly matched with the sliding groove 104, the balance bar 6 is connected with a compression roller 401 below, and the compression roller 401 is covered by a compression roller cover 7; the compression roller 401 is driven to rotate by a leveling motor 4 to realize the leveling action. When the above scheme is adopted, the leveling motor 4 drives the compression roller 401 to rotate, which can level the ground to be leveled.
[0037] During the leveling action of the compression roller 401, impurities on the ground will adhere to the surface of the compression roller 401, which should be cleaned in time to avoid the impurities falling back to the ground, so as to keep the leveling place clean, and various cleaning schemes can be adopted, and the structure is not uniquely limited, and one of the feasible choices is optimized and adopted in the embodiment: a cleaning assembly is matched and arranged at the leveling assembly, the cleaning assembly includes a cleaning box 8 that is connected and matched with the compression roller cover 7, a cleaning roller 901 is arranged in the cleaning box 8, the cleaning roller 901 is driven by a cleaning motor 9 and is used to scrape off the dirt on the compression roller 401, and a collecting groove 10 for collecting the dirt is connected below the cleaning box 8. When the above scheme is adopted, the cleaning roller 901 is rotated to clean the compression roller 401, so that the dirt on the cleaning roller 901 can be scraped off and fall into the collecting groove 10 below. The width of the collecting groove 10 is greater than the width of the cleaning box 8 and the cleaning roller 901, so that the scraped dirt can be completely collected and accommodated; the collecting box can be removed from the cleaning box 8, so that the dirt in the interior can be cleaned.
[0038] The adjusting assembly is used to adjust the position of the leveling assembly, and various schemes can be adopted, and the structure is not uniquely limited, and one of the feasible choices is optimized and adopted in the embodiment: the adjusting assembly includes an adjusting motor 3 connected to the rear main beam, the output shaft of the adjusting motor 3 coaxially drives the adjusting lead screw 301 to rotate, the adjusting lead screw 301 extends through the balance bar 6 to form a threaded cooperation, and when the adjusting lead screw 301 rotates, the balance bar 6 is driven to slide along the sliding groove 104 through the threaded cooperation. When the above scheme is adopted, the balance bar 6 is driven to reciprocate along the sliding groove 104 by the adjusting lead screw 301, which can cope with different leveling environments and correspondingly adjust and level the operation.
[0039] The dust suction assembly is used to suck the dust generated in the leveling process to avoid dust flying. The dust suction assembly can be constructed in various forms, and its structure is not uniquely limited. In this embodiment, one of the feasible options is optimized and adopted: the dust suction assembly includes a negative pressure cavity formed on the front main beam. The two sides of the negative pressure cavity are also provided with a filter cavity in communication. The filter cavity is provided with a filter 503. The filter 503 forms a filter passage. The filter passage is communicated to the negative pressure cavity by a communication pipe 504. The front main beam is also provided with a negative pressure fan 5. The air inlet of the negative pressure fan 5 is communicated to the negative pressure cavity, and the exhaust port 501 extends to the outside of the front main beam. When the above scheme is adopted, the filter 503 can be made of filter cotton.
[0040] Some dust will enter the negative pressure cavity. In order to protect the negative pressure fan 5, the negative pressure cavity should be cleaned. Therefore, the structure at the negative pressure cavity can be improved, and its structure is not uniquely limited. In this embodiment, one of the feasible options is optimized and adopted: a detachable dust storage box 101 is arranged at the negative pressure cavity. The dust storage box 101 is used to receive the dust impurities entering the negative pressure cavity through the communication pipe 504. When the above scheme is adopted, a handle can be arranged on the dust storage box 101 to facilitate pulling the dust storage box 101 out of the negative pressure cavity.
[0041] The filter cavity can also be optimized. The opening of the filter cavity faces downward of the front main beam. The filter 503 is embedded in the filter cavity from the opening, or is embedded in the filter cavity from both ends of the front main beam. When the above scheme is adopted, when the negative pressure fan 5 operates, air is sucked from the opening. The impurities in the air are adsorbed on the filter 503, thereby realizing the adsorption of dust and avoiding scattering to the surroundings.
[0042] The dust blocking structure is used to block the dust in the leveling machine frame 1 from flying directly to the outside. Its structure is not uniquely limited. In this embodiment, one of the feasible options is optimized and adopted: the dust blocking structure includes a dust blocking plate 102 arranged on the front main beam and the rear main beam. When the above scheme is adopted, the dust blocking plate 102 includes an arc-shaped plate.
[0043] The structure of the leveling machine frame 1 can also be optimized: the bottom of the leveling machine frame 1 is provided with a supporting walking mechanism. The supporting walking mechanism includes walking wheels and a liftable supporting rod 201. When the above scheme is adopted, the walking mechanism includes universal wheels 2, which can drive the leveling machine frame 1 to move. The supporting rod 201 is used to support and stabilize the leveling machine.
[0044] According to the above scheme, in specific use, the leveling machine frame 1 is fixed. The leveling motor 4 and the adjusting motor 3 are synchronously operated to drive the leveling assembly to reciprocate in the leveling machine frame 1. The compression roller 401 also rotates synchronously, thereby realizing the leveling treatment of the ground below. At the same time, the dust suction assembly adsorbs the generated dust to reduce the flying dust around.
[0045] The above are the embodiments enumerated by the present embodiment, but the present embodiment is not limited to the optional embodiments described above, and one skilled in the art can obtain other various embodiments by arbitrarily combining the above-described modes with each other. Any person can obtain other various forms of embodiments under the inspiration of the present embodiment. The above specific embodiments should not be understood as limiting the protection scope of the present embodiment, and the protection scope of the present embodiment should be defined by the claims.
Claims
1. A road finisher with a dust prevention mechanism, characterized by comprising: a road finisher body; a dust prevention mechanism provided on the road finisher body; and a dust prevention mechanism control unit configured to control the dust prevention mechanism. The leveling machine frame (1) is provided with a dust suction assembly for adsorbing dust generated during the leveling process; the middle of the leveling machine frame (1) is provided with a leveling assembly, which includes a leveling roller assembly slidingly fitted to the leveling machine frame (1), and an adjusting assembly for moving the leveling roller assembly; the edge of the leveling machine frame (1) is also provided with a dust blocking structure to block the dust generated by the operation of the leveling assembly.
2. The road finisher with a dust-proof mechanism according to claim 1, characterized in that: The leveling machine frame (1) includes a pair of side beams arranged in parallel, and the leveling roller assembly is fitted to the side beams; the front ends of the two side beams are connected by a front main beam, and the dust suction assembly is arranged on the front main beam; the rear ends of the two side beams are connected by a rear main beam, and the adjusting assembly is arranged on the rear main beam.
3. The road finisher with a dust-proof mechanism according to claim 2, characterized in that: The side beam is provided with a sliding groove (104), and the leveling assembly includes a balance bar (6) slidingly fitted with the sliding groove (104), the lower end of the balance bar (6) is connected with a pressure roller (401), and the pressure roller (401) is covered by a pressure roller cover (7); the pressure roller (401) is driven to rotate by a leveling motor (4) to realize the leveling action.
4. The road finisher with the dust-proof mechanism according to claim 3, characterized in that: The leveling assembly is provided with a cleaning assembly, which includes a cleaning box (8) connected with the pressure roller cover (7), a cleaning roller (901) is arranged in the cleaning box (8), the cleaning roller (901) is driven by a cleaning motor (9) and used to scrape off the dirt on the pressure roller (401), and the lower end of the cleaning box (8) is connected with a collecting groove (10) for collecting the dirt.
5. The road finisher with a dust-proof mechanism according to claim 3, characterized in that: The adjusting assembly includes an adjusting motor (3) connected to the rear main beam, the output shaft of the adjusting motor (3) coaxially drives the adjusting lead screw (301) to rotate, the adjusting lead screw (301) extends through the balance bar (6) to form a threaded connection, and when the adjusting lead screw (301) rotates, the balance bar (6) is driven to slide along the sliding groove (104) through the threaded connection.
6. The road finisher with a dust-proof mechanism according to claim 2, characterized in that: The dust suction assembly includes a negative pressure cavity formed on the front main beam, and a filter cavity is also arranged on both sides of the negative pressure cavity, a filter (503) is arranged in the filter cavity, a filter passage is formed in the filter (503), and the filter passage is connected to the negative pressure cavity through a communication pipe (504); a negative pressure fan (5) is also arranged on the front main beam, the air inlet of the negative pressure fan (5) is connected to the negative pressure cavity, and the exhaust port (501) extends to the outside of the front main beam.
7. The road finisher with a dust-proof mechanism according to claim 6, characterized in that: The negative pressure cavity is provided with a detachable dust storage box (101), which is used to receive the dust and impurities entering the negative pressure cavity through the communication pipe (504).
8. The road finisher with a dust-proof mechanism according to claim 6, characterized in that: The opening of the filter cavity faces downward of the front main beam, and the filter (503) is embedded in the filter cavity from the opening, or from both ends of the front main beam.
9. The road finisher with a dust-proof mechanism according to claim 2, characterized in that: The dust blocking structure includes a dust blocking plate (102) arranged on the front main beam and the rear main beam.
10. The road finisher with a dust-proof mechanism according to claim 1, characterized in that: The lower end of the leveling machine frame (1) is provided with a supporting walking mechanism, and the supporting walking mechanism includes a walking wheel and a lifting adjustable supporting rod (201).