Pavement leveling device for pavement construction
By designing a combination of sliding rod and lifting mechanism in the road leveling device, the problem of insufficient contact caused by loss of grinding disc or grinding block is solved, and flexible adjustment of grinding height and improvement of grinding efficiency is achieved.
Patent Information
- Application Number
- CN202421676331.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-16
AI Technical Summary
During the grinding process of existing road surface leveling devices, the loss of the grinding disc or grinding blocks leads to insufficient contact with the road surface, which requires frequent replacement, and it is difficult to flexibly adjust the grinding height.
A road surface leveling device is designed, adopting a combination of a sliding rod and a lifting mechanism. A plurality of grooves are provided on the side of the sliding rod to cooperate with the bumps at the output end of the driving mechanism to realize the up and down movement and rotation of the sliding rod; the lifting mechanism drives the sliding rod to move through the cylinder and the triangle plate, adjusting the contact point between the polishing block and the road surface, and achieving flexible height adjustment.
The device controls the movement of the vehicle body by manually holding the handrail. The driving mechanism drives the sliding rod and the mounting plate to rotate, so that the grinding block rotates the road surface. The lifting mechanism can adjust the grinding height, extend the service life of the grinding block, and improves grinding efficiency and flexibility.
Smart Images

Figure CN222908498U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a road surface leveling device for road construction, belonging to the technical field of road surface leveling devices. Background Art
[0002] Road construction requires the road surface to be leveled, which is not only an important link to improve traffic efficiency, but also a key factor to ensure driving safety. A flat road surface can effectively reduce the bumps and wear of vehicles, thereby extending the service life of vehicles, and at the same time can also reduce the costs of maintenance and repair. For example, the Chinese utility model patent with the authorization announcement number CN218203767U discloses a road surface grinding device for highways, and specifically discloses including a moving unit, on which a base is provided, on the base a fixing seat is provided, on the fixing seat a motor is provided, the rotating shaft of the motor is connected to a grinding disc, and on the fixing seat a dust prevention device is provided. This solution drives the grinding disc to rotate through the motor, and the grinding disc grinds the ground, but during the grinding process, the grinding disc will be worn, so that the grinding disc gradually does not contact the ground, and the grinding disc needs to be replaced in time to ensure the grinding effect. Content of the Utility Model
[0003] The purpose of the utility model is to provide a road surface leveling device for road construction. The utility model can conveniently adjust the grinding height and has the advantage of convenient use.
[0004] The technical solution of the utility model: A road surface leveling device for road construction, including a vehicle body, and moving wheels are respectively provided at the four corners of the vehicle body; a handrail is provided at the rear end of the vehicle body; a frame is provided at the front end of the vehicle body; a driving mechanism is provided inside the vehicle body, the output end of the driving mechanism is connected with a sliding rod, and a plurality of vertically arranged grooves are provided on the side of the sliding rod; a plurality of convex blocks are provided at the output end of the driving mechanism, and the convex blocks are in sliding fit with the grooves; an installation disc is provided at the bottom of the sliding rod, and a plurality of grinding blocks are connected to the bottom of the installation disc; a lifting mechanism is provided on the frame, and the lifting mechanism is rotationally connected with the sliding rod.
[0005] For the above-mentioned road surface leveling device for road construction, the driving mechanism includes a motor arranged on the upper part of the vehicle body, and the output end of the motor passes through the vehicle body and is connected with a first synchronous pulley; a second synchronous pulley is provided on the upper part of the frame, and a first transmission belt is connected between the second synchronous pulley and the first synchronous pulley.
[0006] For the aforementioned road surface leveling device for road construction, the second synchronous pulley is connected with a rotating shaft, the lower end of the rotating shaft is connected with a third synchronous pulley, and the third synchronous pulley is located below the frame; a fourth synchronous pulley is rotatably connected to the front end of the frame, and a second transmission belt is connected between the fourth synchronous pulley and the third synchronous pulley; the convex blocks are arranged inside the rotating shaft of the fourth synchronous pulley.
[0007] The aforesaid road surface leveling device for road construction, a first convex ring is provided at the upper end of the sliding rod, a second convex ring is provided above the first convex ring, and a gap is left between the second convex ring and the first convex ring.
[0008] The aforesaid road surface leveling device for road construction, the lifting mechanism includes cylinders symmetrically arranged at the front end of the vehicle frame, a triangular plate is connected between the output ends of the cylinders, and the front end of the triangular plate is embedded in the gap between the second convex ring and the first convex ring.
[0009] The aforesaid road surface leveling device for road construction, a plurality of guide rods are provided at the front end of the vehicle frame; the triangular plate is slidably connected to the guide rods.
[0010] The aforesaid road surface leveling device for road construction, a brush roller is connected between the rear moving wheels, and the brush roller is located inside the vehicle body.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The utility model controls the movement of the vehicle body by manually holding the hand push armrest. During the movement of the vehicle body, the driving mechanism drives the sliding rod to rotate, and the sliding rod drives the mounting plate to rotate, so that the grinding block at the bottom of the mounting plate grinds the road surface. The grinding block will be worn during the grinding process, making the bottom end of the grinding block gradually not in contact with the road surface. At this time, the lifting mechanism drives the sliding rod to move downward, thereby driving the mounting plate to move downward, so that the bottom end of the grinding block is in full contact with the road surface. It is also possible to drive the sliding rod to move upward through the lifting mechanism to adjust the grinding height of the road surface, with high flexibility. Through the cooperation of the groove on the side of the sliding rod and the convex block at the output end of the driving mechanism, while the sliding rod can move up and down, the driving mechanism can also drive the sliding rod to rotate.
[0013] 2. The driving mechanism of the utility model drives the first synchronous wheel to rotate through the motor, the first synchronous wheel drives the second synchronous wheel to rotate through the first transmission belt, the second synchronous wheel drives the third synchronous wheel to rotate through the rotating shaft, the third synchronous wheel drives the fourth synchronous wheel to rotate through the second transmission belt, and the fourth synchronous wheel drives the sliding rod to rotate, thereby realizing the rotary grinding of the road surface by the grinding block. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is the structural schematic diagram of the utility model;
[0015] Figure 2 is the bottom structural schematic diagram of the utility model;
[0016] Figure 3 is the structural schematic diagram of the vehicle frame;
[0017] Figure 4 is the bottom structural schematic diagram of the vehicle frame;
[0018] Figure 5 It is a schematic structural diagram of a sliding rod;
[0019] Figure 6 It is a schematic structural diagram of a bump.
[0020] The reference numerals in the drawings are: 1 - vehicle body, 2 - moving wheels, 3 - push handle, 4 - frame, 5 - driving mechanism, 6 - sliding rod, 7 - groove, 8 - bump, 9 - mounting plate, 10 - grinding block, 11 - lifting mechanism, 12 - motor, 13 - first synchronous pulley, 14 - second synchronous pulley, 15 - first transmission belt, 16 - rotating shaft, 17 - third synchronous pulley, 18 - fourth synchronous pulley, 19 - second transmission belt, 20 - first convex ring, 21 - second convex ring, 22 - gap, 23 - cylinder, 24 - triangular plate, 25 - guide rod, 26 - brush roller. Detailed implementation manners
[0021] The present utility model will be further described below in conjunction with the drawings and embodiments, but it shall not be used as a basis for limiting the present utility model.
[0022] Embodiment: A road surface leveling device for road construction, the composition is as Figure 1-6 shown, including a vehicle body 1, and moving wheels 2 are respectively arranged at the four corners of the vehicle body 1; a push handle 3 is arranged at the rear end of the vehicle body 1; a frame 4 is arranged at the front end of the vehicle body 1; a driving mechanism 5 is arranged inside the vehicle body 1, as Figure 2 and 3 shown, the driving mechanism 5 includes a motor 12 arranged on the upper part of the vehicle body 1, and the output end of the motor 12 passes through the vehicle body 1 and is connected with a first synchronous pulley 13; a second synchronous pulley 14 is arranged on the upper part of the frame 4, and a first transmission belt 15 is connected between the second synchronous pulley 14 and the first synchronous pulley 13. As Figure 4 shown, the second synchronous pulley 14 is connected with a rotating shaft 16, the lower end of the rotating shaft 16 is connected with a third synchronous pulley 17, and the third synchronous pulley 17 is located below the frame 4; the front end of the frame 4 is rotatably connected with a fourth synchronous pulley 18, and a second transmission belt 19 is connected between the fourth synchronous pulley 18 and the third synchronous pulley 17; a sliding rod 6 is slidably connected inside the fourth synchronous pulley 18. The driving mechanism 5 drives the first synchronous pulley 13 to rotate through the motor 12, the first synchronous pulley 13 drives the second synchronous pulley 14 to rotate through the first transmission belt 15, the second synchronous pulley 14 drives the third synchronous pulley 17 to rotate through the rotating shaft 16, the third synchronous pulley 17 drives the fourth synchronous pulley 18 to rotate through the second synchronous belt, and the fourth synchronous pulley 18 drives the sliding rod 6 to rotate, so as to realize the rotary grinding of the road surface by the grinding block 10. As Figure 5 shown, a plurality of vertically arranged grooves 7 are arranged on the side of the sliding rod 6; as Figure 6As shown, a plurality of bumps 8 are provided inside the fourth synchronous wheel 18. The bumps 8 are in sliding fit with the grooves 7. By means of the cooperation between the grooves 7 on the side of the sliding rod 6 and the bumps 8 at the output end of the driving mechanism 5, while the sliding rod 6 can move up and down, the driving mechanism 5 can also drive the sliding rod 6 to rotate; a mounting disc 9 is provided at the bottom of the sliding rod 6, and a plurality of grinding blocks 10 are connected to the bottom of the mounting disc 9; a lifting mechanism 11 is provided on the vehicle frame 4, and the lifting mechanism 11 is rotationally connected to the sliding rod 6. A first convex ring 20 is provided at the upper end of the sliding rod 6, and a second convex ring 21 is provided above the first convex ring 20, and a gap 22 is left between the second convex ring 21 and the first convex ring 20. The lifting mechanism 11 includes cylinders 23 symmetrically arranged at the front end of the vehicle frame 4. A triangular plate 24 is connected between the output ends of the cylinders 23, and the front end of the triangular plate 24 is embedded in the gap 22 between the second convex ring 21 and the first convex ring 20. The lifting mechanism 11 moves the triangular plate 24 up and down through the cylinders 23, and the triangular plate 24 drives the sliding rod 6 to move, thereby controlling the distance between the grinding blocks 10 and the road surface. Two guide rods 25 are provided at the front end of the vehicle frame 4; the triangular plate 24 is slidably connected to the guide rods 25. The guide rods 25 make the movement of the triangular plate 24 smoother. As Figure 2 shown, a brush roller 26 is connected between the rear moving wheels 2, and the brush roller 26 is located inside the vehicle body 1. The brush roller 26 rolls along with the rolling of the moving wheels 2 to remove the dust generated by grinding on the road surface.
[0023] Working principle:
[0024] The worker controls the movement of the vehicle body 1 by holding the hand push handrail 3. During the movement of the vehicle body 1, the motor 12 of the driving mechanism 5 drives the first synchronous wheel 13 to rotate. The first synchronous wheel 13 drives the second synchronous wheel 14 to rotate through the first transmission belt 15. The second synchronous wheel 14 drives the third synchronous wheel 17 to rotate through the rotating shaft 16. The third synchronous wheel 17 drives the fourth synchronous wheel 18 to rotate through the second synchronous belt. The fourth synchronous wheel 18 drives the sliding rod 6 to rotate. The sliding rod 6 drives the mounting disc 9 to rotate, so that the grinding blocks 10 at the bottom of the mounting disc 9 grind the road surface. The grinding blocks 10 will be worn during the grinding process, causing the bottom ends of the grinding blocks 10 to gradually not contact the road surface. At this time, the cylinders 23 of the lifting mechanism 11 drive the sliding rod 6 to move downward through the triangular plate 24, thereby driving the mounting disc 9 downward, so that the bottom ends of the grinding blocks 10 are in full contact with the road surface. It is also possible to drive the sliding rod 6 to move upward through the lifting mechanism 11 to adjust the grinding height of the road surface, with relatively high flexibility.
Claims
1. A road surface leveling device for road construction, comprising a vehicle body (1), wherein four corners of the vehicle body (1) are respectively provided with moving wheels (2); a hand-push handle (3) is provided at the rear end of the vehicle body (1); and a vehicle frame (4) is provided at the front end of the vehicle body (1); characterized in that: The vehicle body (1) is provided with a driving mechanism (5), the output end of the driving mechanism (5) is connected to a sliding rod (6), and the side of the sliding rod (6) is provided with a plurality of vertically arranged grooves (7); the output end of the driving mechanism (5) is provided with a plurality of protrusions (8), and the protrusions (8) are slidably matched with the grooves (7); the bottom of the sliding rod (6) is provided with a mounting plate (9), and the bottom of the mounting plate (9) is connected to a plurality of grinding blocks (10); the vehicle frame (4) is provided with a lifting mechanism (11), and the lifting mechanism (11) is rotatably connected to the sliding rod (6).
2. The road surface leveling device for road construction according to claim 1, characterized in that: The driving mechanism (5) comprises a motor (12) arranged on the upper part of the vehicle body (1), the output end of the motor (12) passing through the vehicle body (1) and connected to a first synchronous wheel (13); a second synchronous wheel (14) is arranged on the upper part of the vehicle frame (4), and a first transmission belt (15) is connected between the second synchronous wheel (14) and the first synchronous wheel (13).
3. The road surface leveling device for road construction according to claim 2, characterized in that: The second synchronous wheel (14) is connected to a rotating shaft (16), the lower end of the rotating shaft (16) is connected to a third synchronous wheel (17), and the third synchronous wheel (17) is located below the frame (4); the front end of the frame (4) is rotatably connected to a fourth synchronous wheel (18), and a second transmission belt (19) is connected between the fourth synchronous wheel (18) and the third synchronous wheel (17); the protrusion (8) is arranged on the inner side of the rotating shaft of the fourth synchronous wheel (18).
4. The road surface leveling device for road construction according to claim 1, characterized in that: A first convex ring (20) is provided at the upper end of the sliding rod (6), a second convex ring (21) is provided above the first convex ring (20), and a gap (22) is left between the second convex ring (21) and the first convex ring (20).
5. The road surface leveling device for road construction according to claim 4, characterized in that: The lifting mechanism (11) comprises a cylinder (23) symmetrically arranged at the front end of the frame (4), a triangular plate (24) is connected between the output ends of the cylinder (23), and the front end of the triangular plate (24) is embedded in the gap (22) between the second convex ring (21) and the first convex ring (20).
6. The road surface leveling device for road construction according to claim 5, characterized in that: The front end of the vehicle frame (4) is provided with a plurality of guide rods (25); the triangular plate (24) is slidably connected to the guide rods (25).
7. The road surface leveling device for road construction according to claim 1, characterized in that: A brush roller (26) is connected between the rear moving wheels (2), and the brush roller (26) is located inside the vehicle body (1).
Citation Information
Patent Citations
Highway pavement polishing device
CN218203767U