A road milling machine rear-mounted sweeping device with debris collection function

Abstract

This utility model discloses a rear-mounted sweeping device for a road milling machine with debris collection function, belonging to the technical field of sweeping devices. It includes a fixed plate, with a base plate fixedly connected to the lower end of one side of the fixed plate. An electric hydraulic rod is provided at the upper end of the base plate, and a vertical plate is provided at the output end of the electric hydraulic rod. A top plate is fixedly connected to the upper end of the vertical plate, and a lifting plate is provided below the top plate. A rotating shaft is rotatably connected to the lower end of the lifting plate, and a turntable is fixedly connected to the lower end of the rotating shaft. A wire brush is fixedly connected to the base of the turntable, arranged in a ring. A support leg is located at the center of the wire brush, with its upper end fixedly connected to the bottom of the turntable, and a roller rotatably mounted at its lower end. This utility model can adapt to road surface undulations. Through the linkage design of the roller and the support leg, when the road surface is uneven, the roller rolls along the ground, causing the lifting plate to float up and down, ensuring a uniform sweeping effect and improving sweeping efficiency.

Description

Technical Field

[0001] This utility model relates to the field of cleaning device technology, specifically a post-sweeping device for a road milling machine with debris collection function. Background Technology

[0002] Road milling machines generate a large amount of debris and dust during operation. Traditional rear-mounted sweeping devices often use fixed sweeping components, which are difficult to adapt to changes in road surface undulations, resulting in unstable sweeping performance. For example, when encountering uneven road surfaces, the contact pressure between the wire brush and the ground is uneven, leading to incomplete cleaning in some areas. Furthermore, the rigidly connected sweeping mechanism is prone to component damage due to impact and vibration, shortening its service life. In addition, the height adjustment of existing devices is mostly manual, unable to adapt to changes in road surface in real time, requiring frequent stops for adjustments, thus affecting construction efficiency. Therefore, there is an urgent need for a new type of rear-mounted sweeping device that can automatically adapt to road surface undulations and maintain stable sweeping performance.

[0003] Therefore, those skilled in the art have provided a road milling machine rear-mounted sweeping device with debris collection function to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a road milling machine rear-mounted sweeping device with debris collection function to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A road milling machine rear-mounted sweeping device with debris collection function includes a fixed plate. A base plate is fixedly connected to the lower end of one side of the fixed plate. An electro-hydraulic rod is provided at the upper end of the base plate. A vertical plate is provided at the output end of the electro-hydraulic rod. A top plate is fixedly connected to the upper end of the vertical plate. A lifting plate is provided below the top plate. A rotating shaft is rotatably connected to the lower end of the lifting plate. A turntable is fixedly connected to the lower end of the rotating shaft. A wire brush is fixedly connected to the base of the turntable. The wire brushes are arranged in a ring. A support leg is provided at the center of the wire brushes. The upper end of the support leg is fixedly connected to the bottom of the turntable. A roller is rotatably installed at the lower end of the support leg.

[0007] As a further embodiment of this utility model: a connecting plate is fixedly connected to the end of the electro-hydraulic rod, and the connecting plate and the fixed plate are rotatably connected by a rotating block.

[0008] As a further improvement of this utility model: the piston rod of the electro-hydraulic rod is fixedly connected to a connecting rod, and the connecting rod is fixedly connected to the vertical plate.

[0009] As a further embodiment of this utility model: both sides of the connecting rod are rotatably connected to connecting arms, and the other end of the connecting arm is rotatably connected to the base plate.

[0010] As a further improvement of this utility model: guide sleeves are fixedly connected to the lower end of the top plate near the four corners, and guide rods are slidably provided inside the guide sleeves, and the guide rods are fixedly connected to the lifting plate.

[0011] As a further improvement of this utility model, a telescopic spring is fitted on the outer side of both the guide sleeve and the guide rod.

[0012] As a further improvement of this utility model: a drive motor is fixedly installed at the upper end of the lifting plate, and the output shaft of the drive motor is fixedly connected to the rotating shaft through a coupling.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] It can adapt to road undulations. Through the linkage design of rollers and outriggers, when the road surface is uneven, the rollers roll along the ground and drive the lifting plate to float up and down, ensuring a uniform cleaning effect and improving cleaning efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a rear-mounted sweeping device for a road milling machine with debris collection function.

[0016] Figure 2 This is a schematic diagram of the lifting plate in the rear sweeping device of a road milling machine with debris collection function.

[0017] Figure 3 This is a side view of a road milling machine with a rear-mounted sweeping device that includes a debris collection function.

[0018] Figure 4 This is a schematic diagram of the support legs and rollers in a rear-mounted sweeping device of a road milling machine with debris collection function.

[0019] In the diagram: 1. Fixed plate; 2. Base plate; 3. Connecting plate; 4. Electro-hydraulic rod; 5. Connecting rod; 6. Connecting arm; 7. Vertical plate; 8. Top plate; 9. Guide sleeve; 10. Guide rod; 11. Telescopic spring; 12. Lifting plate; 13. Drive motor; 14. Rotating shaft; 15. Turntable; 16. Wire brush; 17. Outrigger; 18. Roller. Detailed Implementation

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

[0021] Example 1

[0022] Reference Figures 1-4 This embodiment provides a road milling machine rear-mounted sweeping device with debris collection function, including a fixed plate 1. A base plate 2 is fixedly connected to the lower end of one side of the fixed plate 1. An electric hydraulic rod 4 is provided at the upper end of the base plate 2. A vertical plate 7 is provided at the output end of the electric hydraulic rod 4. A top plate 8 is fixedly connected to the upper end of the vertical plate 7. A lifting plate 12 is provided below the top plate 8. A rotating shaft 14 is rotatably connected to the lower end of the lifting plate 12. A turntable 15 is fixedly connected to the lower end of the rotating shaft 14. A wire brush 16 is fixedly connected to the base of the turntable 15. The wire brushes 16 are arranged in a ring. A support leg 17 is provided at the center of the wire brushes 16. The upper end of the support leg 17 is fixedly connected to the bottom of the turntable 15. A roller 18 is rotatably installed at the lower end of the support leg 17.

[0023] Example 2

[0024] Reference Figures 1-4 This embodiment is based on the previous embodiment, but differs from the previous embodiment in that the end of the electro-hydraulic rod 4 is fixedly connected to a connecting plate 3, and the connecting plate 3 is rotatably connected to the fixed plate 1 through a rotating block; the piston rod of the electro-hydraulic rod 4 is fixedly connected to a connecting rod 5, and the connecting rod 5 is fixedly connected to the vertical plate 7; both sides of the connecting rod 5 are rotatably connected to connecting arms 6, and the other end of the connecting arm 6 is rotatably connected to the base plate 2.

[0025] Furthermore, guide sleeves 9 are fixedly connected to the lower end of the top plate 8 near the four corners, and guide rods 10 are slidably provided inside the guide sleeves 9. The guide rods 10 are fixedly connected to the lifting plate 12; and telescopic springs 11 are sleeved on the outer sides of the guide sleeves 9 and the guide rods 10.

[0026] Furthermore, a drive motor 13 is fixedly installed on the upper end of the lifting plate 12, and the output shaft of the drive motor 13 is fixedly connected to the rotating shaft 14 through a coupling.

[0027] Working Principle: This device is symmetrically installed on both sides of the rear sweeping device of the road milling machine via a fixing plate 1, specifically in front of the dust suction hood. The fixing plate 1 is fixedly connected to the rear frame of the milling machine by bolts. During operation, the electric hydraulic rod 4 is activated, and its piston rod pushes the connecting rod 5 forward. Through the lever action of the connecting arm 6, the vertical plate 7 moves downward. At this time, the roller 18 contacts the ground first, and the wire brush 16, which is 0-15mm longer than the roller 18, forms a pre-pressure contact with the ground. The drive motor 13 drives the rotating shaft 14 to rotate, and the turntable 15 rotates simultaneously. The rollers rotate, causing the circularly arranged wire brushes 16 to sweep the road surface in a circular motion, gathering debris towards the center for easy collection by the dust hood. When encountering a raised surface, the rollers 18 move upward under the pressure of the ground, pushing the lifting plate 12 via the outriggers 17 to compress the telescopic spring 11, causing the wire brushes 16 to automatically rise. When the road surface is sunken, the telescopic spring 11 rebounds, pushing the lifting plate 12 downward to maintain a constant contact pressure between the wire brushes 16 and the ground. The height of the cleaning device is automatically adjusted according to the milling depth, ensuring that the wire brushes 16 are always in the optimal cleaning position.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A road milling machine rear-mounted sweeping device with debris collection function, comprising a fixing plate (1), characterized in that, A base plate (2) is fixedly connected to the lower end of one side of the fixed plate (1). An electric hydraulic rod (4) is provided at the upper end of the base plate (2). A vertical plate (7) is provided at the output end of the electric hydraulic rod (4). A top plate (8) is fixedly connected to the upper end of the vertical plate (7). A lifting plate (12) is provided below the top plate (8). A rotating shaft (14) is rotatably connected to the lower end of the lifting plate (12). A turntable (15) is fixedly connected to the lower end of the rotating shaft (14). A wire brush (16) is fixedly connected to the base of the turntable (15). The wire brushes (16) are arranged in a ring. A support leg (17) is provided at the center of the wire brush (16). The upper end of the support leg (17) is fixedly connected to the bottom of the turntable (15). A roller (18) is rotatably installed at the lower end of the support leg (17).

2. The road milling machine rear-mounted sweeping device with debris collection function according to claim 1, characterized in that, The end of the electric hydraulic rod (4) is fixedly connected to a connecting plate (3), and the connecting plate (3) and the fixed plate (1) are rotatably connected by a rotating block.

3. The road milling machine rear-mounted sweeping device with debris collection function according to claim 1, characterized in that, The piston rod of the electric hydraulic rod (4) is fixedly connected to a connecting rod (5), and the connecting rod (5) is fixedly connected to the vertical plate (7).

4. A road milling machine rear-mounted sweeping device with debris collection function according to claim 3, characterized in that, Both sides of the connecting rod (5) are rotatably connected to connecting arms (6), and the other end of the connecting arm (6) is rotatably connected to the base plate (2).

5. A road milling machine rear-mounted sweeping device with debris collection function according to claim 1, characterized in that, Guide sleeves (9) are fixedly connected to the lower end of the top plate (8) near the four corners. Guide rods (10) are slidably provided inside the guide sleeves (9). The guide rods (10) are fixedly connected to the lifting plate (12).

6. A road milling machine rear-mounted sweeping device with debris collection function according to claim 5, characterized in that, Both the guide sleeve (9) and the guide rod (10) are fitted with telescopic springs (11).

7. A road milling machine rear-mounted sweeping device with debris collection function according to claim 1, characterized in that, A drive motor (13) is fixedly installed on the upper end of the lifting plate (12), and the output shaft of the drive motor (13) is fixedly connected to the rotating shaft (14) through a coupling.

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