Large-particle-size rock-filled roadbed compacting device

By designing protective plates and brushing structures into the roller's device, the problem of gravel flying during compaction was solved, improving construction safety and road compaction quality.

CN223738444UActive Publication Date: 2025-12-30CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202520094501.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-30
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

When existing road rollers compact large-diameter rockfill subgrades, the crushed stones are prone to flying off, posing a safety hazard to construction workers and equipment.

Method used

A compaction device for large-diameter stone-filled roadbed was designed, including a protective plate shell, a protective plate, a limiting plate, and a brush structure. The protective plate is set at the edge of the compaction roller to block flying stone fragments, and the brush is used to clean up road debris, thereby improving safety and compaction quality.

Benefits of technology

It effectively blocks flying gravel, reduces injury to construction workers and equipment, ensures road surface compaction quality, and improves construction safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a large-particle-size rockfill roadbed compaction device, which relates to the technical field of roadbed compaction, and comprises a road roller body, a pinch roller frame is mounted at the front part of the road roller body, nut columns are mounted on two sides of the pinch roller frame, a protective plate shell is arranged on the nut columns, a first screw is arranged on the protective plate shell, and a second screw is arranged on the protective plate shell. The first screw is in threaded connection with a threaded groove axially formed in the nut column, a protection plate is arranged in the protection plate shell, a limiting plate is installed at the top of the protection plate, and limiting sliding heads are installed at the two ends of the limiting plate; through mutual cooperation of the protection plate shell, the protection plate, the nut column, the first screw, the limiting plate, the limiting sliding head and the limiting sliding groove, when the edge of the pressing wheel of the road roller presses the broken stones, the broken stones which jump outwards can be blocked, and the probability that surrounding constructors and construction equipment are hurt by the broken stones which jump outwards is reduced; and therefore, the compaction safety of the rock-filled roadbed is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to embankment compaction technical field, specifically a kind of large particle size stone-filled embankment compaction device. BACKGROUND

[0002] Stone-filled embankment refers to the embankment filled with mountain stone material or excavated stone material of stone excavation section, which is mainly used in highway construction, especially in some relatively rugged areas, the application advantage of stone-filled embankment is more prominent, among them, large particle size stone-filled embankment is filled with large particle size stone material, which has high bearing capacity and shear strength, can effectively increase the stability and bearing capacity of embankment, and improve the durability and crack resistance of pavement

[0003] During construction, the stone-filled embankment needs to be compacted, and the existing road roller for compaction often presses some gravel blocks during compaction of stone blocks, and the local gravel blocks are extruded by the press wheel and fly outward, which can easily cause harm to surrounding construction personnel and damage to surrounding construction equipment, and there is a great safety hazard. SUMMARY

[0004] The utility model aims at providing a kind of large particle size stone-filled embankment compaction device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of large particle size stone-filled embankment compaction device, including road roller body, the front of the road roller body is equipped with press wheel frame, press wheel frame both sides are equipped with nut post, the nut post is provided with protective plate shell, the first screw is provided on the protective plate shell, the first screw is connected with the thread groove of the axial thread of nut post, the inside of the protective plate shell is provided with protective plate, the top of the protective plate is equipped with limit plate, the both ends of the limit plate are equipped with limit sliding head, the limit sliding head is connected with the limit sliding slot of the sliding connection of the inside wall of protective plate shell both sides, the front of the press wheel frame is equipped with vertical rod, the vertical rod is provided with rod sleeve, the side of the rod sleeve is equipped with second screw, the second screw is connected with the thread hole of the side surface of vertical rod, the rod sleeve front is equipped with bristle fixed plate, the bottom of the bristle fixed plate is equipped with a plurality of bristles.

[0007] As a further scheme of the utility model: the protective plate is arranged opposite to the press wheel of road roller body, and the height difference between the bottom of the protective plate and the ground is 3-5cm.

[0008] As a further scheme of the utility model: the width of the limiting plate is greater than the thickness of the protective plate shell, and the protective plate shell is provided with openings in front and back for facilitating the up-down sliding of the limiting plate.

[0009] As a further scheme of the utility model: the bottom edge of the protective plate is an arc-shaped edge.

[0010] As a further scheme of the utility model: the threaded hole is provided with a plurality of equidistant threaded holes from top to bottom on the side of the vertical rod.

[0011] As a further scheme of the utility model: the bottom surface of the limiting plate is provided with a rubber pad.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a kind of road roller safety devices, including protective plate shell, protective plate, nut column, first screw, limiting plate, limiting sliding head and limiting sliding slot, which are cooperated with each other, can block the stone block that fly outward when road roller compression wheel edge is pressed to stone block, reduce the probability that surrounding construction personnel and construction equipment are hit by stone block that fly, to improve the security of stone-filled subgrade compaction.

[0014] 2、The utility model discloses a kind of road roller safety devices, including protective plate shell, protective plate, nut column, first screw, limiting plate, limiting sliding head and limiting sliding slot, which are cooperated with each other, can block the stone block that fly outward when road roller compression wheel edge is pressed to stone block, reduce the probability that surrounding construction personnel and construction equipment are hit by stone block that fly, to improve the security of stone-filled subgrade compaction. DRAWINGS

[0015] Figure 1 It is the overall structure schematic view of a kind of large-particle-size stone-filled subgrade compaction device.

[0016] Figure 2 It is the partial structure schematic view of a kind of large-particle-size stone-filled subgrade compaction device.

[0017] Figure 3 It is a kind of large-particle-size stone-filled subgrade compaction device Figure 2 It is the structure enlarged view of A in the middle.

[0018] 1, road roller body;2, compression wheel frame;3, protective plate shell;4, protective plate;5, nut column;6, first screw;7, limiting plate;8, limiting sliding head;9, limiting sliding slot;10, vertical rod;11, rod sleeve;12, second screw;13, bristle fixing plate;14, bristle;15, threaded hole;16, rubber pad. CONCRETE IMPLEMENTATION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1-3 In the embodiments of the utility model, a large-diameter stone filling roadbed compaction device, a road roller body 1 is provided with a press wheel frame 2 at the front part, nut columns 5 are arranged at the two sides of the press wheel frame 2, a protective plate shell 3 is arranged on the nut columns 5, a first screw 6 is arranged on the protective plate shell 3, the first screw 6 is in threaded connection with a threaded groove axially arranged on the nut column 5, the nut column 5 is used in cooperation with the first screw 6, so that the protective plate 4 can be disassembled, and the protective plate 4 can be replaced after being damaged, the protective plate 4 is arranged in the protective plate shell 3, a limiting plate 7 is arranged at the top of the protective plate 4, limiting sliding heads 8 are arranged at the two ends of the limiting plate 7, the limiting sliding heads 8 are in sliding connection with limiting sliding grooves 9 arranged on the inner walls of the two sides of the protective plate shell 3, and the limiting sliding heads 8 and the limiting sliding grooves 9 are used in cooperation, so that the protective plate 4 can slide more stably up and down.

[0021] The protective plate 4 and the press wheels of the road roller body 1 are arranged opposite to each other, the height difference between the bottom of the protective plate 4 and the ground is 3-5cm, the height difference is arranged, on the one hand, the protective plate 4 can be prevented from being damaged due to collision with the ground, and on the other hand, the flying stones can be effectively blocked.

[0022] The width of the limiting plate 7 is greater than the thickness of the protective plate shell 3, and the protective plate shell 3 is provided with openings in front and back for the limiting plate 7 to slide up and down, and the limiting plate 7 can prevent the protective plate 4 from sliding out of the protective plate shell 3 and falling off.

[0023] The bottom edge of the protective plate 4 is an arc-shaped edge, the arc-shaped design can make the protective plate 4 passively rise over the obstacles when encountering the obstacles, so that the protective plate 4 is protected and the damage probability of the protective plate 4 is reduced.

[0024] A rubber pad 16 is arranged on the bottom surface of the limiting plate 7, and the rubber pad 16 can play a buffering role between the limiting plate 7 and the protective plate shell 3, so that the limiting plate 7 and the protective plate shell 3 are prevented from being damaged due to hard collision.

[0025] Please refer to Figures 1-2The front part of the pressing wheel frame 2 is provided with a vertical rod 10, a rod sleeve 11 is arranged on the vertical rod 10, a second screw 12 is arranged on one side of the rod sleeve 11, the second screw 12 is in threaded connection with a threaded hole 15 arranged on the side of the vertical rod 10, a brush fixed plate 13 is arranged on the front part of the rod sleeve 11, and a plurality of brush hairs 14 are arranged on the bottom of the brush fixed plate 13.

[0026] The threaded hole 15 is arranged at equal intervals from top to bottom on the side of the vertical rod 10, and a plurality of threaded holes 15 are arranged, so that the height of the brush fixed plate 13 can be adjusted, so as to meet the installation height requirement of the brush hair 14 in different use stages.

[0027] The working principle of the utility model is:

[0028] In use, when the road roller is used to compact large-diameter stone blocks on the ground, the brush hair 14 at the front of the road roller can sweep the leaves, paper towels and other sundries on the road surface in front of the road roller, and then the pressing wheel can crush and compact the stone blocks on the road surface, and the edge of the pressing wheel will inevitably press the crushed stone blocks during the pressing process, so that the crushed stone blocks will bounce outward, and the protective plate 4 arranged on the side of the pressing wheel will block the crushed stone blocks, so as to avoid the further spread of the crushed stone blocks to the surrounding construction personnel and construction equipment.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large-diameter rock-filled subgrade compaction device comprising a road roller body (1), characterized in that: The front of the road roller body (1) is provided with a roller frame (2), the both sides of the roller frame (2) are provided with nut columns (5), the nut columns (5) are provided with protective plate shells (3), the protective plate shells (3) are provided with first screws (6), the first screws (6) are in threaded connection with the threaded grooves axially provided on the nut columns (5), the protective plate shells (3) are internally provided with protective plates (4), the top of the protective plates (4) is provided with limiting plates (7), the both ends of the limiting plates (7) are provided with limiting sliding heads (8), the limiting sliding heads (8) are in sliding connection with the limiting sliding grooves (9) provided on the inner walls of the both sides of the protective plate shells (3), the front of the roller frame (2) is provided with vertical rods (10), the vertical rods (10) are provided with rod sleeves (11), the one side of the rod sleeves (11) is provided with second screws (12), the second screws (12) are in threaded connection with the threaded holes (15) provided on the side faces of the vertical rods (10), the front of the rod sleeves (11) is provided with brush fixed plates (13), the bottom of the brush fixed plates (13) is provided with a plurality of brushes (14).

2. The large-diameter rock-filled subgrade compaction device according to claim 1, characterized in that: The protective plates (4) are oppositely arranged on the left and right of the roller of the road roller body (1), and the height difference between the bottom of the protective plates (4) and the ground is 3-5 cm.

3. The large-diameter rock-filled subgrade compaction device according to claim 1, characterized in that: The width of the limiting plates (7) is greater than the thickness of the protective plate shells (3), and the protective plate shells (3) are provided with openings in front and back for the limiting plates (7) to slide up and down.

4. The large-diameter rock-filled subgrade compaction device according to claim 1, characterized in that: The bottom edge of the protective plate (4) is an arc-shaped edge.

5. The large-diameter rock-filled subgrade compaction device according to claim 1, characterized in that: The threaded holes (15) are provided with a plurality of equidistant threaded holes from top to bottom on the side face of the vertical rod (10).

6. The large-diameter rock-filled subgrade compaction device according to claim 1, characterized in that: The bottom surface of the limiting plate (7) is provided with a rubber pad (16).