Multifunctional mixture paving and leveling equipment for roadbed and pavement construction

By using a servo motor to drive the rotating plate and a hydraulic cylinder in combination, the problem of insufficient compaction and leveling versatility of existing equipment during the paving of mixed materials is solved, achieving efficient paving and leveling of mixed materials and improving construction efficiency.

CN223983919UActive Publication Date: 2026-03-10TAIAN TAISHAN ROAD & BRIDGE CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing roadbed and pavement construction equipment for paving and leveling mixtures has poor compaction and leveling capabilities due to factors such as the thickness of the mixture and the curvature of the construction surface.

Method used

A servo motor drives the rotating plate to rotate the leveling frame. Combined with the telescopic movement of the telescopic rod and hydraulic cylinder, and with the help of the pressure roller, the mixture is spread and leveled. The lubrication mechanism reduces the telescopic resistance of the hydraulic cylinder and improves the versatility of the equipment.

Benefits of technology

It achieves good paving, leveling, and compaction of the mixture, improving the equipment's versatility and construction efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223983919U_ABST
    Figure CN223983919U_ABST
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Abstract

The utility model belongs to the technical field of roadbed pavement construction, and particularly relates to multifunctional mixture paving and leveling equipment for roadbed pavement construction, which comprises a bottom frame, traveling wheels are mounted at the lower end of the bottom frame through supporting lugs, and a mixture box is fixedly connected to the right side of the upper end of the bottom frame. A fixing frame is fixedly connected to the middle of the upper end of the bottom frame, a servo motor is fixedly installed in the middle of the upper end of the fixing frame, and an output shaft of the servo motor is rotationally connected with the fixing frame. The servo motor drives the output shaft to rotate so as to drive the rotating plate to rotate, then the flattening frame is driven to rotate, a mixture is spread and leveled, under the structures of the first spring, the telescopic rod and the like, the good contact effect of the flattening frame can be guaranteed, and under the action of the pressing roller, the flattening effect is good. The paving and leveling device can perform secondary leveling and compact use on the paved and leveled mixture, and the use multifunctionality of the paving and leveling device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed pavement construction technical field, concretely is the multifunctional mixed material paving and leveling equipment for roadbed pavement construction. BACKGROUND

[0002] It is known that in roadbed pavement construction, the mixed material paving and leveling equipment is the key equipment for ensuring the flatness and quality of pavement, can significantly improve construction efficiency and quality, and ensures the flatness and durability of pavement.

[0003] In the utility model discloses a kind of cold-mixed cold-paved asphalt mixture paving devices with patent authorization announcement No.CN221877629U, including vehicle body and material box, material box is installed at the top of vehicle body, and material box top is provided with inlet;It also includes closure device, support device, discharge pipe, discharge hopper and side plate, multiple discharge pipes are all communicated and arranged at the bottom of material box, and the bottom of vehicle body is provided with closure device, and the closure device is used to close multiple discharge pipes, the discharge hopper is installed at the bottom of vehicle body, and the discharge hopper is communicated with multiple discharge pipes, and two groups of side plates are respectively installed at the front and rear sides of vehicle body by support device.

[0004] However, the existing mixed material paving and leveling equipment for roadbed pavement construction also has certain defects, and the existing mixed material paving and leveling equipment for roadbed pavement construction is mostly simply used in cooperation with pressure roller, side plate and other components to complete the guidance and paving treatment of mixed material. Due to the influence of factors such as mixed material laying thickness and construction ground curvature, the compaction and paving multifunctionality of mixed material treatment is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multifunctional mixed material paving and leveling equipment for roadbed pavement construction, which solves the problem of poor compaction and paving multifunctionality of mixed material treatment caused by the simple use of pressure roller, side plate and other components in the existing mixed material paving and leveling equipment for roadbed pavement construction to complete the guidance and paving treatment of mixed material.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional mixed material paving and leveling equipment for roadbed pavement construction, including bottom frame, the lower end of the bottom frame is installed with walking wheel through support lug, the upper end of the bottom frame is fixedly connected with mixed material box on the right side, the upper end of the bottom frame is fixedly connected with fixed frame in the middle, the upper end of the fixed frame is fixedly installed with servo motor in the middle, the output shaft of the servo motor is rotatably connected with the fixed frame, the output shaft of the servo motor is fixedly connected with rotating plate, the inner wall of the rotating plate is slidably connected with telescopic rod;

[0007] A flattening frame is fixedly connected to the lower end of the telescopic rod, and a spring is provided on the outer side of the telescopic rod. A support frame is fixedly connected to the upper left side of the bottom frame. A hydraulic cylinder is fixedly installed on the horizontal part of the support frame. The telescopic end of the hydraulic cylinder is slidably connected to the horizontal part of the support frame. A connecting frame is fixedly connected to the telescopic end of the hydraulic cylinder. A pressure roller is installed on the vertical part of the connecting frame through a connecting shaft. A lubrication mechanism is provided on the support frame.

[0008] Preferably, two telescopic rods are provided, and the two telescopic rods are evenly distributed on the rotating plate. The telescopic rods can be used to guide the movement of the flattening frame.

[0009] Preferably, one end of the spring is welded to the end plate of the telescopic rod, and the other end of the spring is welded to the rotating plate. The telescopic rod can be connected and used through the arrangement of the spring.

[0010] Preferably, the lubrication mechanism includes an oil suction sleeve, which is fixedly connected to the horizontal part of the support frame. The oil suction sleeve is slidably connected to the telescopic end of the hydraulic cylinder. An oil reservoir is fixedly connected to the horizontal part of the support frame. A sealing column is slidably connected to the inner wall of the oil reservoir. An elastic sheet is bonded to the lower end of the sealing column, and the other end of the elastic sheet is bonded to the support frame. An end rod is slidably connected to the inner wall of the oil reservoir. The end rod contacts the sealing column. By pushing the end rod to squeeze the sealing column, the oil reservoir can be in a flow state, thereby guiding the lubricating oil to contact the telescopic end of the hydraulic cylinder and lubricate the hydraulic cylinder.

[0011] Preferably, the horizontal part of the support frame is fixedly connected to a flow pipe, and the horizontal part of the flow pipe is fixedly connected to the oil suction sleeve. The flow pipe allows the lubricating oil to be guided and used.

[0012] Preferably, two elastic sheets are provided, which are evenly distributed on the sealing column. The elastic sheets can be used to tighten the sealing column.

[0013] Preferably, the lower end of the mixing box is provided with three discharge pipes, which are evenly distributed on the mixing box. The discharge pipes allow the mixture to be discharged for use.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model uses a servo motor to drive the output shaft to rotate, thereby driving the rotating plate to rotate, which in turn drives the paving frame to rotate, for spreading and leveling the mixture. With the spring, telescopic rod and other structures, the paving frame can ensure good contact effect, and under the action of the pressure roller, the spread and leveled mixture can be leveled and compacted a second time, improving the versatility of the paving and leveling equipment.

[0016] 2. This utility model pushes the end rod downward to move the sealing column, causing the elastic sheet to deform and ultimately causing the sealing column to detach from the oil reservoir, thereby allowing the lubricating oil to circulate. In conjunction with the conduction function of the flow pipe, the extension and retraction ends of the hydraulic cylinder can be lubricated to reduce the extension and retraction resistance of the hydraulic cylinder. Attached Figure Description

[0017] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0018] Figure 2 For the present utility model Figure 1 A bottom view;

[0019] Figure 3 For the present utility model Figure 1 Left sectional view;

[0020] Figure 4 For the present utility model Figure 3 Enlarged view of the lubrication mechanism;

[0021] Figure 5 For the present utility model Figure 2 Enlarged view of the mounting bracket.

[0022] In the diagram: 1. Base frame; 2. Traveling wheels; 3. Mixing bin; 4. Fixed frame; 5. Servo motor; 6. Rotating plate; 7. Telescopic rod; 8. Flattening frame; 9. Spring; 10. Support frame; 11. Hydraulic cylinder; 12. Connecting frame; 13. Pressure roller; 14. Lubrication mechanism; 141. Oil suction sleeve; 142. Flow pipe; 143. Oil reservoir; 144. Sealing column; 145. Elastic sheet; 146. End rod. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5A multi-functional mixed material paving and leveling equipment for roadbed and pavement construction includes a base frame 1. The lower end of the base frame 1 is equipped with a traveling wheel 2 via a support lug. The upper right side of the base frame 1 is fixedly connected to a mixed material box 3. The lower end of the mixed material box 3 is provided with three feeding pipes, which are evenly distributed on the mixed material box 3. The mixed material can be fed through the feeding pipes. The upper middle part of the base frame 1 is fixedly connected to a fixed frame 4. The upper middle part of the fixed frame 4 is fixedly installed with a servo motor 5. The output shaft of the servo motor 5 is rotatably connected to the fixed frame 4. The output shaft of the servo motor 5 is fixedly connected to a rotating plate 6. The inner wall of the rotating plate 6 is slidably connected to a telescopic rod 7.

[0025] A flattening frame 8 is fixedly connected to the lower end of the telescopic rod 7. A spring 9 is provided on the outside of the telescopic rod 7. A support frame 10 is fixedly connected to the upper left side of the bottom frame 1. A hydraulic cylinder 11 is fixedly installed on the horizontal part of the support frame 10. The telescopic end of the hydraulic cylinder 11 is slidably connected to the horizontal part of the support frame 10. A connecting frame 12 is fixedly connected to the telescopic end of the hydraulic cylinder 11. A pressure roller 13 is installed on the vertical part of the connecting frame 12 through a connecting shaft.

[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 There are two telescopic rods 7, which are evenly distributed on the rotating plate 6. The telescopic rods 7 can be used to guide the flattening frame 8. One end of the spring 9 is welded to the end plate of the telescopic rod 7, and the other end of the spring 9 is welded to the rotating plate 6. The telescopic rods 7 can be connected by the spring 9.

[0027] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 A lubrication mechanism 14 is provided on the support frame 10. The lubrication mechanism 14 includes an oil suction sleeve 141. The oil suction sleeve 141 is fixedly connected to the horizontal part of the support frame 10. The oil suction sleeve 141 is slidably connected to the telescopic end of the hydraulic cylinder 11. An oil storage cylinder 143 is fixedly connected to the horizontal part of the support frame 10. A sealing column 144 is slidably connected to the inner wall of the oil storage cylinder 143. An elastic sheet 145 is bonded to the lower end of the sealing column 144. The other end of the elastic sheet 145 is bonded to the support frame 10. An end rod 146 is slidably connected to the inner wall of the oil storage cylinder 143. The end rod 146 contacts the sealing column 144. By pushing the end rod 146 to squeeze the sealing column 144, the oil storage cylinder 143 can be in a flow state, thereby guiding the lubricating oil to contact the telescopic end of the hydraulic cylinder 11 and lubricate the hydraulic cylinder 11.

[0028] Please see Figure 1 , Figure 2 , Figure 3 ,Figure 4 The horizontal part of the support frame 10 is fixedly connected to the flow pipe 142, and the horizontal part of the flow pipe 142 is fixedly connected to the oil suction sleeve 141. The flow pipe 142 can be used to guide the lubricating oil. There are two elastic plates 145, which are evenly distributed on the sealing column 144. The elastic plates 145 can be used to tighten the sealing column 144.

[0029] The specific implementation process of this utility model is as follows: In use, the bottom frame 1 is connected to the traction device through the connecting ear at the right end to ensure the normal movement of the bottom frame 1. Under the action of the mixing box 3 and the discharge pipe, the mixture can be discharged and used. Under the drive of the servo motor 5, its output shaft can drive the rotating plate 6 to rotate, thereby driving the telescopic rod 7 to rotate, and then driving the flattening frame 8 to rotate, so that the flattening frame 8 can spread and level the mixture.

[0030] The extension and retraction of the hydraulic cylinder 11 can drive the connecting frame 12 to bring the pressure roller 13 into contact with the mixture, and perform leveling and compaction of the mixture to improve the multi-functionality of the mixture paving and leveling equipment for roadbed and pavement construction.

[0031] By pushing the end rod 146 downward, the sealing column 144 is pushed down, causing the elastic sheet 145 to deform. Ultimately, the sealing column 144 is disengaged from the flow hole of the oil reservoir 143. Under the action of the flow pipe 142, the lubricating oil can be guided, and under the adsorption of the oil suction sleeve 141, the lubricating oil can contact the extension end of the hydraulic cylinder 11 to lubricate the hydraulic cylinder 11 and reduce the extension resistance of the hydraulic cylinder 11.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-functional mixed material paving and leveling device for subgrade and pavement construction, comprising a bottom frame (1), characterized in that: The lower end of the bottom frame (1) is installed with a walking wheel (2) through a supporting lug, the upper end of the bottom frame (1) is fixedly connected with a mixing box (3) on the right side, the upper end of the bottom frame (1) is fixedly connected with a fixing frame (4) in the middle, the upper end of the fixing frame (4) is fixedly installed with a servo motor (5), the output shaft of the servo motor (5) is rotatably connected with the fixing frame (4), the output shaft of the servo motor (5) is fixedly connected with a rotating plate (6), the inner wall of the rotating plate (6) is slidably connected with an extension rod (7); The lower end of the extension rod (7) is fixedly connected with a flattening frame (8), the outer side of the extension rod (7) is provided with a spring (9), the upper end of the bottom frame (1) is fixedly connected with a supporting frame (10) on the left side, the horizontal part of the supporting frame (10) is fixedly installed with a hydraulic cylinder (11), the telescopic end of the hydraulic cylinder (11) is slidably connected with the horizontal part of the supporting frame (10), the telescopic end of the hydraulic cylinder (11) is fixedly connected with a connecting frame (12), the vertical part of the connecting frame (12) is installed with a compression roller (13) through a connecting shaft, the supporting frame (10) is provided with a lubricating mechanism (14).

2. The multi-functional mixed material paving and grading apparatus for subgrade pavement construction according to claim 1, characterized in that: The extension rod (7) is provided with two, and the two extension rods (7) are evenly distributed on the rotating plate (6).

3. The multi-functional mix paver and finisher for subgrade pavement construction of claim 1, wherein: One end of the spring (9) is welded with the end disc of the extension rod (7), and the other end of the spring (9) is welded with the rotating plate (6).

4. The multi-functional mix paver and finisher for subgrade pavement construction of claim 1, wherein: The lubricating mechanism (14) comprises an oil suction sleeve (141), the horizontal part of the supporting frame (10) is fixedly connected with the oil suction sleeve (141), the telescopic end of the hydraulic cylinder (11) is slidably connected with the oil suction sleeve (141), the horizontal part of the supporting frame (10) is fixedly connected with an oil storage cylinder (143), the inner wall of the oil storage cylinder (143) is slidably connected with a sealing column (144), the lower end of the sealing column (144) is bonded with an elastic sheet (145), the other end of the elastic sheet (145) is bonded with the supporting frame (10), the inner wall of the oil storage cylinder (143) is slidably connected with an end rod (146), and the end rod (146) is in contact with the sealing column (144).

5. The multi-functional mix paver and finisher for subgrade pavement construction of claim 4, wherein: The horizontal part of the supporting frame (10) is fixedly connected with a flow pipe (142), and the horizontal part of the flow pipe (142) is fixedly connected with the oil suction sleeve (141).

6. The multi-functional mix paver and finisher for sub-grade pavement construction of claim 4, wherein: The elastic sheet (145) is provided with two, and the two elastic sheets (145) are evenly distributed on the sealing column (144).

7. The multi-functional mix paver and finisher for sub-grade pavement construction of claim 1, wherein: The lower end of the mixing box (3) is provided with three discharge pipes, and the three discharge pipes are evenly distributed on the mixing box (3).

Citation Information

Patent Citations

  • Cold-mixing and cold-paving asphalt mixture paving device

    CN221877629U