Preventive maintenance device for ultra-thin asphalt wearing layer pavement of road

Abstract

The utility model discloses a preventive maintenance device for an asphalt ultrathin wearing layer pavement of a road, which belongs to the technical field of road maintenance and comprises an arc-shaped plate, a bearing seat is fixedly connected onto the arc-shaped plate, an elastic shaft is rotatably connected onto the bearing seat, a holding rod is rotatably mounted in the elastic shaft, a nut is mounted on the side of the elastic shaft in a threaded manner, and the nut is fixedly connected onto the bearing seat. An elastic buckle is fixedly connected to the arc-shaped plate and connected with the elastic shaft in a buckled mode. And the upper part of the holding rod is fixedly connected with a leather sheath. The bearing seat comprises a seat body and a connecting seat, and the seat body is fixedly connected to the upper end of the connecting seat. The elastic shaft comprises a connecting plate, a pressing ring, a bolt, an elastic piece and a rotating seat, the lower end of the connecting plate is fixedly connected with the rotating seat, the bolt is sleeved with the pressing ring, the pressing ring does not make contact with the bolt, the nut is unscrewed, the elastic shaft loosens the holding rod, then the angle of the holding rod is adjusted, the nut is screwed, and the elastic shaft clamps and fixes the holding rod. And a user can conveniently adjust according to operation habits.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway maintenance, and in particular relates to a preventive maintenance device for an ultra-thin asphalt wear layer pavement of a highway. Background Art

[0002] Highway maintenance is the care and maintenance of highways. Maintenance focuses on the whole process maintenance from the completion and opening to traffic, and maintenance focuses on repairing the damaged parts. Among them, the preventive maintenance of asphalt ultra-thin wear layer pavement requires the help of paving tools for manual assistance.

[0003] Since the structure of commonly used paving tools is fixed and there are slight differences in personal operating habits, the angle cannot be adjusted and thus cannot meet the adjustment needs, and the storage space is large, resulting in the problem of low practicality of conventional paving auxiliary tools.

[0004] To this end, we proposed a preventive maintenance device for ultra-thin asphalt wearing layer pavement of highway to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem of low practicability of conventional paving auxiliary tools and proposes a preventive maintenance device for ultra-thin asphalt wear layer pavement of highways.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A preventive maintenance device for ultra-thin asphalt wear layer road surface, comprising an arc-shaped plate, a bearing seat fixedly connected to the arc-shaped plate, an elastic shaft rotatably connected to the bearing seat, a gripping rod rotatably installed in the elastic shaft, a nut threadedly installed on the side of the elastic shaft, a spring buckle fixedly connected to the arc-shaped plate, and the spring buckle is buckled with the elastic shaft. Loosen the nut to loosen the gripping rod, then adjust the angle of the gripping rod, and then tighten the nut to clamp the gripping rod, so that the user can adjust according to the operating habits.

[0008] Pull the spring buckle outward, then operate the handle to drive the elastic shaft to rotate 90 degrees, then loosen the nut, and then turn the handle to be flush with the curved plate to reduce the overall width and the storage area.

[0009] Preferably, a leather cover is fixedly connected to the upper part of the grip rod, so as to increase the friction between the hand and the grip rod.

[0010] Preferably, the bearing seat comprises a seat body and a connecting seat, wherein the seat body is fixedly connected to the upper end of the connecting seat, and the elastic shaft is conveniently guided to rotate through the seat body.

[0011] Preferably, the elastic shaft includes a connecting plate, a pressure ring, a bolt, a spring sheet and a swivel seat, the lower end of the connecting plate is fixedly connected to the swivel seat, the pressure ring is sleeved on the outside of the bolt, the pressure ring and the bolt are not in contact, the bolt is fixedly connected to the connecting plate, the pressure ring is fixedly connected to the upper end of the spring sheet, and the lower end of the spring sheet is fixedly connected to the swivel seat. The elastic force of the spring sheet is used to act on the pressure ring, so that the pressure ring is pressed on the lower part of the grip to maintain the friction between the elastic shaft and the grip, and the nut is tightened to compact the pressure ring with the nut to fix the angle between the elastic shaft and the grip, so as to facilitate the adjustment and fixing of the angle between the elastic shaft and the grip.

[0012] Preferably, the grip includes a rod body and a swivel, and the lower end of the rod body is fixedly connected to the upper end of the swivel. When the swivel is clamped by the elastic shaft, the swivel angle is fixed, thereby stabilizing the rod body angle, and vice versa, the rod body angle is adjusted to facilitate the adjustment of the direction of the rod body.

[0013] Preferably, the outer end of the rotating ring is provided with anti-skid grooves, which are used to increase the friction between the rotating ring and the pressure ring, thereby increasing the firmness after clamping.

[0014] Preferably, the nut comprises a threaded ring and an operating disk, wherein the operating disk is fixedly connected to the threaded ring. The operating disk is used to increase the length of the operating lever of the threaded ring, so as to facilitate manual operation of the nut rotation.

[0015] In summary, the technical effects and advantages of the utility model are as follows:

[0016] 1. Loosen the nut to allow the elastic shaft to release the grip, then adjust the angle of the grip, and then tighten the nut to allow the elastic shaft to clamp and fix the grip, making it convenient for users to adjust according to their operating habits.

[0017] 2. Pull the spring buckle outward, then operate the handle to drive the elastic shaft to rotate 90 degrees, then loosen the nut, and then turn the handle to be flush with the curved plate to reduce the overall width and reduce the storage area.

[0018] 3. Use the elastic force of the spring to act on the pressure ring, so that the pressure ring is pressed on the lower part of the grip, maintain the friction between the elastic shaft and the grip, tighten the nut, use the nut to compact the pressure ring, fix the angle between the elastic shaft and the grip, and facilitate the adjustment and fixation of the angle between the elastic shaft and the grip. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the bearing seat structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the elastic shaft structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the grip structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the nut structure of the utility model.

[0024] In the figure: 1. arc plate; 2. bearing seat; 3. elastic shaft; 4. grip rod; 5. nut; 6. spring buckle; 7. leather case; 21. seat body; 22. connecting seat; 31. connecting plate; 32. pressure ring; 33. bolt; 34. spring piece; 35. swivel seat; 41. rod body; 42. swivel; 43. anti-slip pattern; 51. threaded ring; 52. operating panel. DETAILED DESCRIPTION

[0025] The technical solutions in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, rather than all of the embodiments.

[0026] Reference Figure 1 A preventive maintenance device for an ultra-thin asphalt wearing layer pavement of a highway comprises an arc-shaped plate 1, a bearing seat 2 is fixedly connected to the arc-shaped plate 1, an elastic shaft 3 is rotatably connected to the bearing seat 2, a gripping rod 4 is rotatably installed in the elastic shaft 3, a nut 5 is threadedly installed on the side of the elastic shaft 3, and a spring buckle 6 is fixedly connected to the arc-shaped plate 1, and the spring buckle 6 is buckled with the elastic shaft 3.

[0027] Reference Figure 1 The upper part of the grip bar 4 is fixedly connected with a leather cover 7. The leather cover 7 is used to increase the friction between the hand and the grip bar 4.

[0028] Reference Figure 1 and 2 The bearing seat 2 includes a seat body 21 and a connecting seat 22. The connecting seat 22 is fixedly connected to the arc plate 1, and the seat body 21 is fixedly connected to the upper end of the connecting seat 22. The seat body 21 is used to guide the elastic shaft 3 to rotate.

[0029] Reference Figure 1 , 2 3, the elastic shaft 3 includes a connecting plate 31, a pressing ring 32, a bolt 33, a spring piece 34 and a rotating seat 35, the spring buckle 6 is matched with the rotating seat 35, the rotating seat 35 is rotatably installed in the seat body 21, the lower end of the connecting plate 31 is fixedly connected to the rotating seat 35, the pressing ring 32 is sleeved on the outside of the bolt 33, the pressing ring 32 and the bolt 33 are not in contact, the bolt 33 is fixedly connected to the connecting plate 31, the pressing ring 32 is fixedly connected to the upper end of the spring piece 34, and the lower end of the spring piece 34 is fixedly connected to the rotating seat 35. The elastic force of the spring piece 34 acts on the pressing ring 32, so that the pressing ring 32 is pressed on the lower part of the grip 4, the friction between the elastic shaft 3 and the grip 4 is maintained, the nut 5 is tightened, and the pressing ring 32 is pressed by the nut 5 to fix the angle between the elastic shaft 3 and the grip 4.

[0030] Reference Figure 1 , 3 4, the grip 4 includes a rod body 41 and a swivel 42, the swivel 42 is rotatably sleeved on the bolt 33, the connecting plate 31 and the pressure ring 32 are clamped at the outer end of the swivel 42, and the lower end of the rod body 41 is fixedly connected to the upper end of the swivel 42. When the swivel 42 is clamped by the elastic shaft 3, the angle of the swivel 42 is fixed, thereby stabilizing the angle of the rod body 41, and vice versa, the angle of the rod body 41 is adjusted.

[0031] Reference Figure 3 and 4 The outer end of the rotating ring 42 is provided with an anti-skid pattern 43. The anti-skid pattern 43 is used to increase the friction between the rotating ring 42 and the pressing ring 32.

[0032] Reference Figure 1 , 3 The nut 5 comprises a threaded ring 51 and an operating disk 52. The threaded ring 51 is threadedly mounted on the bolt 33, and the operating disk 52 is fixedly connected to the threaded ring 51. The operating disk 52 is used to increase the operating lever length of the threaded ring 51.

[0033] Working principle: Loosen the nut 5 to release the elastic shaft 3 from the grip 4, then adjust the angle of the grip 4, and then tighten the nut 5 to clamp the elastic shaft 3 and fix the grip 4, so as to adjust according to the operating habits; pull the spring buckle 6 outward, and then operate the grip 4 to drive the elastic shaft 3 to rotate ninety degrees, and then loosen the nut 5, and then turn the grip 4 to be flush with the arc plate 1, so as to reduce the overall width and the storage area.

[0034] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the utility model according to the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.

[0035] The description briefly mentions the application direction of the utility model for the prior art that is known to those skilled in the art and has not been changed, and combines it with the utility model to form a complete technology; the description avoids over-popularizing the technology familiar to those skilled in the art, and is used to assist those skilled in the art to quickly understand the main content of the utility model.

Claims

1. A preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway, characterized by: The invention comprises an arc-shaped plate (1), a bearing seat (2) being fixedly connected to the arc-shaped plate (1), an elastic shaft (3) being rotatably connected to the bearing seat (2), a gripping rod (4) being rotatably mounted inside the elastic shaft (3), a nut (5) being threadedly mounted on the side of the elastic shaft (3), a spring buckle (6) being fixedly connected to the arc-shaped plate (1), and the spring buckle (6) being buckled with the elastic shaft (3).

2. A preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 1, characterized in that: The upper part of the grip rod (4) is fixedly connected with a leather cover (7).

3. The preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 1, characterized in that: The bearing seat (2) comprises a seat body (21) and a connecting seat (22), and the seat body (21) is fixedly connected to the upper end of the connecting seat (22).

4. The preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 1, characterized in that: The elastic shaft (3) comprises a connecting plate (31), a pressure ring (32), a bolt (33), a spring piece (34) and a swivel seat (35); the lower end of the connecting plate (31) is fixedly connected to the swivel seat (35); the pressure ring (32) is sleeved on the outside of the bolt (33); the pressure ring (32) and the bolt (33) are not in contact; the bolt (33) is fixedly connected to the connecting plate (31); the pressure ring (32) is fixedly connected to the upper end of the spring piece (34); and the lower end of the spring piece (34) is fixedly connected to the swivel seat (35).

5. The preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 1, characterized in that: The grip rod (4) comprises a rod body (41) and a rotating ring (42), and the lower end of the rod body (41) is fixedly connected to the upper end of the rotating ring (42).

6. A preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 5, characterized in that: The outer end of the rotating ring (42) is provided with anti-slip grooves (43).

7. The preventive maintenance device for ultra-thin asphalt wearing layer pavement of a highway according to claim 1, characterized in that: The nut (5) comprises a threaded ring (51) and an operating disk (52), and the operating disk (52) is fixedly connected to the threaded ring (51).

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