Mechanical milling type route marking line removing equipment

Abstract

The invention relates to the technical field of line removing machines, discloses mechanical milling type line marking line removing equipment, and solves the problems that the existing milling type line marking line removing equipment is low in efficiency and easy to enlarge the road surface damage area when removing complex marking lines. A collecting roller rotating at a slow speed is arranged below a vent hole in a deviated mode, rotation of the collecting roller is damped through a damping mechanism, a collecting groove is formed in the collecting roller, a milling assembly is arranged and comprises a first boring roller, a second boring roller and a width adjusting and controlling assembly, the first boring roller is assembled in the middle of an assembling box, and the length of the first boring roller is matched with the width of a straight line marking line; the second boring rollers are symmetrically assembled at the two ends of the width adjusting and controlling assembly and controlled by the width adjusting and controlling assembly to move towards the two ends, the milling width is increased in cooperation with the first boring roller in the carrier moving direction, and efficient clearing of route marking lines with different widths is achieved through adjustment of the width adjusting and controlling assembly.

Description

Technical Field

[0001] This invention relates to the field of line removal machine technology, specifically to a mechanical milling type road marking removal device. Background Technology

[0002] In road maintenance and renovation, road marking removal equipment is used to remove old road markings (including traffic markings, lane lines, stop lines, etc.) to ensure the clarity and accuracy of road markings and to guarantee traffic safety and smooth flow.

[0003] Currently, there are various types of road marking removal equipment, such as mechanical milling, hot air jetting, and chemical etching. Different types of equipment have their advantages for different road conditions. Asphalt roads, in particular, have complex road surface conditions, often with potholes and uneven surfaces. Road marking paint tends to embed itself in these potholes during application. Therefore, milling-type road marking removal equipment is commonly used for removing road markings on asphalt roads. Milling-type equipment must not only remove the marking paint but also scrape away the paint embedded in the potholes along with the asphalt substrate of the same height. While this process effectively removes the markings, it inevitably causes some damage to the road surface. Therefore, after removing the markings, it is necessary to determine whether asphalt filling is required based on the specific road surface conditions.

[0004] The width of the boring tool in milling-type road marking removal equipment is designed based on the width of the road markings. Its initial design intention was to minimize damage to the road surface while meeting the basic requirements for removing road markings. However, in practical applications, road markings are not limited to straight lines; they also include arrow lines, herringbone lines, and other forms, each with varying widths. Existing milling-type road marking removal equipment often requires multiple back-and-forth movements to fully remove the markings when dealing with such complex road conditions. This operation not only affects the machine's continuous operation and reduces efficiency, but also causes the boring tool to mill the same spot multiple times during the reciprocating motion, further expanding the damaged area. This not only increases road maintenance costs but also negatively impacts the road's lifespan.

[0005] Therefore, how to optimize milling-type road marking removal equipment to remove various types of road markings more efficiently and accurately, while minimizing damage to the road surface, is a technical problem that urgently needs to be solved. Summary of the Invention

[0006] The purpose of this invention is to provide a mechanical milling type road marking removal device, which solves the problems of low efficiency and easy expansion of road surface damage area when removing complex road markings by existing milling type road marking removal devices.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a mechanical milling type road marking removal device, comprising a carrier, wherein a boring roller assembly for removing road markings is mounted on the carrier via an assembly frame, the boring roller assembly comprising an assembly box and: The first boring roller is assembled in the middle of the assembly box, and the length of the first boring roller is adapted to the width of the straight line mark; The second boring roller is provided in pairs and is assembled on one side of the first boring roller. A width adjustment component is provided inside the assembly box. The pair of second boring rollers are symmetrically assembled at both ends of the width adjustment component. The width adjustment component controls the two second boring rollers to move to both ends respectively. In the direction of carrier movement, the second boring rollers that move to both ends of the width adjustment component cooperate with the first boring roller to increase the width of the milling mark of the boring roller assembly. The drive assembly is used to control the rotation of the first boring roller and the second boring roller.

[0008] As a further description of the above technical solution: the width adjustment component includes a support shaft rotatably mounted on the lower side of the assembly box, the second boring roller is movably mounted on the surface of the support shaft, a slider is fixedly connected to the inner wall of the second boring roller, and a groove for the slider to engage and slide is opened along the length direction on the surface of the support shaft.

[0009] As a further description of the above technical solution: the width adjustment component also includes a pair of movable plates, the two movable plates corresponding to the two second boring rollers, the lower end of the movable plates is fixedly connected to a bearing, the bearing is movably sleeved on the surface of the support shaft, and the inner ring of the bearing is coaxially fixedly connected to the second boring roller.

[0010] As a further description of the above technical solution: the upper ends of the two movable plates are threadedly connected to a bidirectional screw, and the surface of the movable plates is provided with threaded holes that cooperate with the bidirectional screw. One end of the bidirectional screw is provided with a motor to drive its rotation.

[0011] As a further description of the above technical solution: the drive assembly includes a worm gear coaxially fixedly mounted in the middle of the support shaft, and another worm gear coaxially fixedly mounted at one end of the first boring roller. Both worm gears are meshed with a worm on one side. A shaft is coaxially connected to the upper end of the worm. A sprocket is fixedly connected to the upper end of the shaft. A chain is meshed between the two sprockets. A motor for driving the rotation of the shaft is provided on the upper side of one of the shafts.

[0012] As a further description of the above technical solution: an adapter frame is provided on the inner side of the assembly frame, a plurality of springs are mounted on the outer edge of the adapter frame, and three height-limiting wheels are mounted on the lower surface of the adapter frame. The three height-limiting wheels are arranged in an isosceles triangle structure along the moving direction of the vehicle. One end of the spring is fixedly connected to the assembly frame, and the assembly box is fixedly mounted on the inner side of the adapter frame. Multiple springs push the adapter frame down, causing multiple height-limiting wheels to come into contact with the road surface, thus causing the milling plane of the boring roller assembly assembled inside the adapter frame to match the corresponding road slope.

[0013] As a further description of the above technical solution: electric cylinders are also assembled on both sides of the adapter frame, and one end of the electric cylinder is fixedly connected to the assembly frame.

[0014] As a further description of the above technical solution: a mudguard one is sleeved on the surface of the bidirectional screw, and a mudguard two is sleeved on the surface of the support shaft, worm, and worm wheel.

[0015] As a further description of the above technical solution: a mudguard is fitted on the lower surface of the assembly box, and the mudguard is positioned above the first boring roller and the two second boring rollers.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The milling assembly includes a first boring roller, a second boring roller, and a width adjustment assembly. The first boring roller is mounted in the middle of the assembly box, and its length is adapted to the width of the straight line marking. The second boring roller is symmetrically mounted at both ends of the width adjustment assembly and is controlled by the assembly to move towards both ends. In the direction of the carrier movement, it works with the first boring roller to increase the milling width. By adjusting the width adjustment assembly, it can efficiently remove road markings of different widths, effectively solving the problem of low efficiency and easy expansion of road damage when removing complex markings by existing equipment.

[0017] 2. By installing an adapter frame equipped with springs and three height-limiting wheels arranged in an isosceles triangle on the inside of the assembly frame, the springs push the adapter frame down, causing the height-limiting wheels to fit against the road surface. This makes the milling plane of the boring roller assembly assembled in the adapter frame parallel to the road surface slope, effectively solving the problem of incomplete road marking cleaning caused by vehicle tilting due to road subsidence, and achieving thorough cleaning of road markings. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the bottom structure of the vehicle of the present invention; Figure 3 This is a schematic diagram of the adapter frame structure of the present invention; Figure 4 This is a schematic diagram of the boring roller assembly structure of the present invention; Figure 5 This is a schematic diagram of the boring roller assembly and mudguard structure of the present invention; Figure 6 This is a schematic diagram of the inner structure of the boring roller assembly of the present invention; Figure 7This is a schematic diagram of the structure of the second boring roller, width adjustment component, and drive component of the present invention; Figure 8 This is a schematic diagram of the second boring roller structure of the present invention; Figure 9 This is a schematic diagram of the structure of mudguard one and mudguard two of the present invention.

[0019] In the diagram: 10. Carrier; 11. Assembly frame; 20. Boring roller assembly; 21. Assembly box; 211. Lifting ring; 212. Fixing block; 213. Upper sealing plate; 214. Mudguard; 22. First boring roller; 23. Second boring roller; 231. Slider; 24. Width adjustment component; 241. Support shaft; 242. Moving plate; 243. Bidirectional screw; 244. Mudguard 1; 245. Mudguard 2; 25. Drive component; 251. Shaft; 252. Worm gear; 253. Worm wheel; 254. Chain; 26. Motor 1; 27. Motor 2; 30. Adapter frame; 31. Spring; 32. Electric cylinder; 33. Height limiting wheel. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] To further understand the content of this invention, a detailed description of the invention will be provided in conjunction with the accompanying drawings.

[0022] Combination Figures 1 to 9 As shown, a mechanical milling type road marking removal device includes a carrier 10, on which a boring roller assembly 20 for removing road markings is mounted via an assembly frame 11. The boring roller assembly 20 includes an assembly box 21 and: The first boring roller 22 is assembled in the middle of the assembly box 21, and the length of the first boring roller 22 is adapted to the width of the straight line mark; A pair of second boring rollers 23 are mounted on one side of the first boring roller 22. A width adjustment component 24 is provided inside the assembly box 21. The pair of second boring rollers 23 are symmetrically mounted at both ends of the width adjustment component 24. The width adjustment component 24 controls the two second boring rollers 23 to move to both ends respectively. In the moving direction of the carrier 10, the second boring rollers 23 that move to both ends of the width adjustment component 24 cooperate with the first boring roller 22 to increase the width of the milling mark of the boring roller assembly 20. The drive assembly 25, which is mounted inside the assembly frame 11, is used to control the rotation of the first boring roller 22 and the second boring roller 23.

[0023] When dealing with straight road markings, the two second boring rollers 23 are controlled by the width adjustment component 24 to be close together in the middle, and the distance between the outer ends of the two second boring rollers 23 is less than or equal to the length of the first boring roller 22. When the carrier 10 moves, the first boring roller 22 is aligned with the road marking, and then the drive component 25 controls the first boring roller 22 and the second boring roller 23 to rotate, thereby scraping off the straight road markings.

[0024] When dealing with wide road markings such as arrow lines and herringbone lines, the width adjustment component 24 controls the two second boring rollers 23 to move to both sides, so that the outer ends of the second boring rollers 23 extend beyond one end of the first boring roller 22. Ultimately, the distance between the outer ends of the two second boring rollers 23 is slightly greater than the width of the corresponding road marking. In this way, in the forward direction of the vehicle 10, the combined milling width of the first boring roller 22 and the second boring roller 23 increases the overall milling width, allowing for the removal of wide road markings in one operation, avoiding the need for the vehicle 10 to move back and forth. Simultaneously, the overall milling width formed by the first boring roller 22 and the second boring roller 23 is adapted to the road marking, preventing unnecessary damage to the road surface.

[0025] It should be noted that when controlling the outer end of the second boring roller 23 to move outward, its inner end should not exceed the outer end of the first boring roller 22, so as to avoid gaps between the first boring roller 22 and the second boring roller 23 in the milling area along the forward direction of the carrier 10, resulting in insufficient removal of the route markings.

[0026] Combination Figures 6-8 Furthermore, the width adjustment component 24 includes a support shaft 241 rotatably mounted on the lower side of the assembly box 21, a second boring roller 23 movably mounted on the surface of the support shaft 241, a slider 231 fixedly connected to the inner wall of the second boring roller 23, and a groove for the slider 231 to engage and slide along the length direction on the surface of the support shaft 241.

[0027] The width adjustment assembly 24 also includes a pair of movable plates 242, which correspond to two second boring rollers 23. The lower end of the movable plate 242 is fixedly connected to a bearing, which is movably sleeved on the surface of the support shaft 241. At the same time, the inner ring of the bearing is coaxially fixedly connected to the second boring roller 23.

[0028] Two movable plates 242 are threadedly connected to a bidirectional screw 243 at their upper ends. The movable plates 242 have threaded holes that mate with the bidirectional screw 243. One end of the bidirectional screw 243 is equipped with a motor 27 that drives it to rotate. Specifically, the bidirectional screw 243 is rotated by the motor 27, causing the two moving plates 242 to move closer or further apart. Furthermore, the moving plates 242 drive the corresponding second boring rollers 23 to move on the surface of the support shaft 241, thereby realizing the movement control of the two second boring rollers 23.

[0029] Combination Figures 5-7 The drive assembly 25 includes a worm gear 253 coaxially fixedly mounted in the middle of the support shaft 241, and another worm gear 253 coaxially fixedly mounted at one end of the first boring roller 22. Both worm gears 253 are meshed with a worm 252 on one side. The upper end of the worm 252 is coaxially connected to a shaft 251. A sprocket is fixedly connected to the upper end of the shaft 251. A chain 254 meshes between the two sprockets. A motor 26 is provided on the upper side of one shaft 251 to drive its rotation. An upper sealing plate 213 is provided on the upper surface of the assembly box 21. The motor 26 is fixedly mounted on the upper surface of the upper sealing plate 213.

[0030] Specifically, motor 27 drives the corresponding shaft 251 to rotate, and the shaft 251 in turn drives another shaft 251 to rotate via chain 254. When the two shafts 251 rotate, the corresponding worm gear 252 and worm wheel 253 drive the support shaft 241 and the first boring roller 22 to rotate respectively. The rotation of the support shaft 241 can drive the two second boring rollers 23 to rotate. Thus, motor 27 drives the first boring roller 22 and the second boring roller 23 to rotate synchronously via drive assembly 25, so that the first boring roller 22 and the second boring roller 23 cooperate to clear the route markings of different widths.

[0031] On some road surfaces, due to driving conditions, the area near the wheels may collapse to a certain extent, resulting in uneven road surfaces. Furthermore, when the vehicle 10 travels on this road surface, the vehicle body is prone to tilting slightly. This tilting of the vehicle body will cause the milling plane of the boring roller assembly 20 to tilt, which in turn will lead to incomplete cleaning of the markings.

[0032] To solve the above problems, combined with Figures 3-4 An adapter frame 30 is provided on the inner side of the assembly frame 11. Multiple springs 31 are mounted on the outer edge of the adapter frame 30. Three height-limiting wheels 33 are mounted on the lower surface of the adapter frame 30. The three height-limiting wheels 33 are arranged in an isosceles triangle structure along the moving direction of the carrier 10. One end of the spring 31 is fixedly connected to the assembly frame 11. The assembly box 21 is fixedly mounted on the inner side of the adapter frame 30. Multiple fixing blocks 212 are provided on the side of the assembly box 21. Specifically, multiple springs 31 push the adapter frame 30 to descend within the mounting frame 11, causing multiple height-limiting wheels 33 to conform to the road surface. In this way, the milling plane of the boring roller assembly 20, which is mounted inside the adapter frame 30, can be adapted to be parallel to the corresponding road surface slope. Furthermore, the boring roller assembly 20 can also completely clean the markings on the corresponding road surface.

[0033] The fixing block 212 is detachably connected to the assembly box 21 by bolts. The upper surface of the assembly box 21 is also fixedly provided with a lifting ring 211. When the bolts on the fixing block 212 are removed, the lifting device can be connected to the lifting ring 211 to remove the boring roller assembly 20 from the adapter frame 30 for routine maintenance.

[0034] Combination Figure 3 Electric cylinders 32 are also installed on both sides of the adapter frame 30. One end of the electric cylinder 32 is fixedly connected to the assembly frame 11. The electric cylinder 32 can lift the boring roller assembly 20 upward to a preset height within the adapter frame 30, so that the lower side of the boring roller assembly 20 does not contact the ground. Thus, when facing a dashed line-type route marking, the height of the boring roller assembly 20 can be controlled to rise and fall repeatedly to deal with the dashed line-type route marking.

[0035] Combination Figure 9 A mudguard 244 is fitted on the surface of the bidirectional screw 243, and a mudguard 245 is fitted on the surface of the support shaft 241, worm 252, and worm wheel 253. The mudguard 244 is a stretchable bellows, and the part of the mudguard 245 corresponding to the support shaft 241 is also a stretchable bellows. The mudguard 245 and the bidirectional screw 243 shield the worm 252, worm wheel 253, and bidirectional screw 243, preventing dust generated by the boring roller assembly 20 when clearing the route markings from entering the interior of the above transmission structure.

[0036] Combination Figure 5 A mudguard 214 is mounted on the lower surface of the assembly box 21, and the mudguard 214 is positioned above the first boring roller 22 and the two second boring rollers 23. The mudguard 214 separates the drive assembly 25 and the second motor 27 from the first boring roller 22 and the second boring roller 23, and also prevents dust generated by the boring roller assembly 20 when clearing the route markings from entering the drive assembly 25 and the second motor 27.

[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A mechanical milling type road marking removal device, comprising a carrier (10), wherein a boring roller assembly (20) for removing road markings is mounted on the carrier (10) via an assembly frame (11), characterized in that, The boring roll assembly (20) includes an assembly box (21) and: The first boring roller (22) is assembled in the middle of the assembly box (21), and the length of the first boring roller (22) is adapted to the width of the straight line mark; A pair of second boring rollers (23) are provided and are mounted on one side of the first boring roller (22). A width adjustment component (24) is provided inside the assembly box (21). A pair of second boring rollers (23) are symmetrically mounted on both ends of the width adjustment component (24). The width adjustment component (24) controls the two second boring rollers (23) to move to both ends respectively. In the direction of movement of the carrier (10), the second boring rollers (23) that move to both ends of the width adjustment component (24) cooperate with the first boring roller (22) to increase the width of the milling mark of the boring roller assembly (20). The drive assembly (25) is used to control the rotation of the first boring roller (22) and the second boring roller (23).

2. The mechanical milling type road marking removal device according to claim 1, characterized in that: The width adjustment component (24) includes a support shaft (241) rotatably mounted on the lower side of the assembly box (21), a second boring roller (23) movably mounted on the surface of the support shaft (241), a slider (231) fixedly connected to the inner wall of the second boring roller (23), and a groove for the slider (231) to engage and slide along the length direction on the surface of the support shaft (241).

3. The mechanical milling type road marking removal device according to claim 1, characterized in that: The width adjustment component (24) also includes a pair of movable plates (242), the two movable plates (242) correspond to the two second boring rollers (23), the lower end of the movable plate (242) is fixedly connected to a bearing, the bearing is movably sleeved on the surface of the support shaft (241), and the inner ring of the bearing is coaxially fixedly connected to the second boring roller (23).

4. The mechanical milling type road marking removal device according to claim 3, characterized in that: The upper ends of the two movable plates (242) are threadedly connected to a bidirectional screw (243). The surface of the movable plate (242) is provided with a threaded hole that mates with the bidirectional screw (243). One end of the bidirectional screw (243) is provided with a motor (27) that drives it to rotate.

5. The mechanical milling type road marking removal device according to claim 4, characterized in that: The drive assembly (25) includes a worm gear (253) coaxially fixedly mounted in the middle of the support shaft (241), and another worm gear (253) coaxially fixedly mounted at one end of the first boring roller (22). Both worm gears (253) are meshed with a worm (252) on one side. The upper end of the worm (252) is coaxially connected to a shaft (251). The upper end of the shaft (251) is fixedly connected to a sprocket. A chain (254) is meshed between the two sprockets. A motor (26) for driving the shaft (251) to rotate is provided on the upper side of the shaft (251).

6. The mechanical milling type road marking removal device according to claim 1, characterized in that: An adapter frame (30) is provided inside the assembly frame (11). Multiple springs (31) are mounted on the outer edge of the adapter frame (30). Three height-limiting wheels (33) are mounted on the lower surface of the adapter frame (30). The three height-limiting wheels (33) are arranged in an isosceles triangle structure along the moving direction of the carrier (10). One end of the spring (31) is fixedly connected to the assembly frame (11). The assembly box (21) is fixedly mounted inside the adapter frame (30). Multiple springs (31) push the adapter frame (30) down, causing multiple height-limiting wheels (33) to fit against the road surface, causing the milling plane of the boring roller assembly (20) assembled inside the adapter frame (30) to match the corresponding road surface slope.

7. The mechanical milling type road marking removal device according to claim 6, characterized in that: Electric cylinders (32) are also mounted on both sides of the adapter frame (30), and one end of the electric cylinder (32) is fixedly connected to the assembly frame (11).

8. The mechanical milling type road marking removal device according to claim 5, characterized in that: The surface of the bidirectional screw (243) is fitted with a mudguard one (244), and the surface of the support shaft (241), worm (252), and worm wheel (253) is fitted with a mudguard two (245).

9. A mechanical milling type road marking removal device according to claim 5, characterized in that: The lower surface of the assembly box (21) is fitted with a mudguard (214), which is positioned above the first boring roller (22) and the two second boring rollers (23).

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