Auxiliary scraper structure of cement-stabilized base mixture paver

Abstract

The utility model relates to the technical field of pavement construction, and particularly discloses an auxiliary scraper structure of a cement-stabilized base mixture paver, which comprises a main paving plate fixed at the tail end of the paver, cement grouting machines are fixedly arranged at the left end and the right end of the main paving plate, and a grouting paving structure is arranged below the cement grouting machines. The grouting paving structure comprises a fixed plate and a supporting plate, an adjusting seat is arranged below the fixed plate, a movable plate is arranged at the lower end of the adjusting seat and slidably connected with a movable groove formed in the lower end of the adjusting seat, and a grouting push plate is fixedly connected to the lower end of the movable plate. The main paving plate is fixed to the tail end of the paving vehicle, the fixing plates are fixed to the left end and the right end of the main paving plate, the height of the grouting push plate can be adjusted, the flexibility is high, the reciprocating driving mechanism can control the movable plate to longitudinally shake in the paving process, the movable plate drives the grouting push plate to vibrate together, air in stone is rapidly exhausted, and the paving quality of a water-stable layer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road surface construction technical field especially relates to a water stable base course mixture paver auxiliary scraper structure. BACKGROUND

[0002] Water stable layer, full name cement stabilized macadam layer, is a kind of road base structure using cement stabilized graded broken stone, is completed by compaction, maintenance.The principle is to use cement as cementing material, form plate structure after mixing with graded broken stone, with high strength, rigidity and stability.Water stable layer will use special paving device when paving.

[0003] The Chinese patent with application No.CN202223280578.6 discloses a road paving mechanism, the back of the middle push plate is provided with a metal plate, the two ends of the middle push plate are rotatably connected with side push plates, a first hydraulic push rod is connected between the metal plate and the side push plate;The first hydraulic push rod can push the side push plate to rotate relative to the middle push plate, adjust the opening angle of paving;The back of the middle push plate is welded with an inclined connecting arm, the connecting arm is connected with an L-shaped mounting plate through a tower-shaped mounting seat, and the L-shaped mounting plate is suitable for detachable fixed connection with a driving vehicle;The road paving mechanism can be installed on any working vehicle, and the vehicle drives the middle push plate and the side push plate to push the asphalt mixture flat.Due to uneven mixing, air may be left between the base materials during the paving process of water stable layer base material, so it is difficult to effectively remove the air bubbles in the cement slurry by directly pushing the plate flat, which affects the compactness of the water stable layer after paving. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a water stable base course mixture paver auxiliary scraper structure to solve the problem that the existing paving device directly pushes the plate flat during paving, which makes it difficult to effectively remove the air bubbles in the base layer and affects the compactness of the water stable layer after paving.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a water stable base course mixture paver auxiliary scraper structure, which comprises a main paving plate fixed at the tail end of a paving vehicle, cement grouting machines fixed at the left and right ends of the main paving plate, and a grouting paving structure arranged below the cement grouting machines.

[0006] The grouting paving structure comprises a fixed plate and a supporting plate, the fixed plate and the supporting plate are fixedly connected with a mounting plate, an adjusting seat is arranged below the fixed plate, the supporting plate is sleeved outside the adjusting seat, the adjusting seat and the supporting plate are slidably connected, and a lifting mechanism for adjusting the height of the adjusting seat is arranged at the upper end of the fixed plate.

[0007] The lower end of the adjusting base is provided with a movable plate, the movable plate is in sliding connection with a movable groove provided in the lower end of the adjusting base, the lower end of the movable plate is fixedly connected with a grouting push plate, and the outer side of the adjusting base is provided with a reciprocating driving mechanism for driving the movable plate to longitudinally shake.

[0008] Further improvement lies in that a plurality of limiting rods are arranged between the fixed plate and the supporting plate, the limiting rods are fixedly connected with the fixed plate and the supporting plate, a limiting plate is fixedly connected with the upper end of the adjusting base, the limiting rods penetrate through the limiting plate, and the limiting plate is in sliding connection with the limiting rods.

[0009] Further improvement lies in that the lifting mechanism comprises a first hydraulic push rod, the mounting end of the first hydraulic push rod is fixedly connected with the upper end of the fixed plate, and the output end of the first hydraulic push rod is fixedly connected with the upper end of the limiting plate.

[0010] Further improvement lies in that the reciprocating driving mechanism comprises a motor and an eccentric wheel, the eccentric wheel is rotatably connected to the inner side of the movable groove, an eccentric groove is formed in the inner side of the movable plate, the eccentric groove is matched with the eccentric wheel, the motor is fixedly connected to the outer side of the adjusting base, and the output end of the motor is fixedly connected with the eccentric wheel.

[0011] Further improvement lies in that the fixed plate is provided with a bolt plate on the side away from the supporting plate, the bolt plate is fixedly connected with the lower end of the fixed plate, and a plurality of bolt holes are formed in the bolt plate.

[0012] Further improvement lies in that a reinforcing rib is arranged at the connection between the mounting plate, the bolt plate and the fixed plate, and the reinforcing rib is fixedly connected with the fixed plate, the mounting plate and the bolt plate through welding.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] The height of the grouting push plate can be adjusted, the flexibility is high, the reciprocating driving mechanism can control the longitudinal shaking of the movable plate during paving, the movable plate drives the grouting push plate and the side push plate to vibrate together, air in the stone is rapidly discharged, and the paving quality of the water stable layer is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0016] Figure 1 is a structural diagram of the paving vehicle in the application

[0017] Figure 2 is a structural diagram of the grouting push plate in the application.

[0018] Figure 3It is the structure diagram of the bolt plate in the utility model.

[0019] Figure 4 It is the structure diagram of the adjusting seat in the utility model.

[0020] Figure 5 It is the structure diagram of the movable plate in the utility model.

[0021] Wherein: 1, fixed plate; 2, support plate; 3, mounting plate; 4, bolt plate; 5, limiting plate; 6, first hydraulic push rod; 7, adjusting seat; 8, movable plate; 9, grouting push plate; 10, paving vehicle; 11, main paving plate; 12, movable groove; 13, motor; 14, eccentric groove; 15, eccentric wheel; 16, limiting rod; 17, cement grouting machine. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0023] According to Figure 1 , 2 , 3, 4, 5, the embodiment proposes an auxiliary scraper structure of water-stable base mixture paving machine, which comprises a main paving plate 11 fixed at the tail end of a paving vehicle 10, cement grouting machines 17 fixedly arranged at the left and right ends of the main paving plate 11, and a grouting paving structure arranged below the cement grouting machines 17.

[0024] The grouting paving structure comprises a fixed plate 1 and a support plate 2, and a mounting plate 3 is fixedly connected between the fixed plate 1 and the support plate 2. The adjusting seat 7 is arranged below the fixed plate 1, the support plate 2 is sleeved outside the adjusting seat 7, the adjusting seat 7 is slidably connected with the support plate 2, and the fixed plate 1 is provided with a lifting mechanism for adjusting the height of the adjusting seat 7.

[0025] The adjusting seat 7 is provided with a movable plate 8 at the lower end, the movable plate 8 is slidably connected with a movable groove 12 arranged at the lower end of the adjusting seat 7, and the movable plate 8 is fixedly connected with a grouting push plate 9 at the lower end.

[0026] The main paving plate 11 is fixed at the tail end of the paving vehicle 10, the fixed plate 1 is fixed at the left and right ends of the main paving plate 11, the grouting push plate 9 and the main paving plate 11 can move with the vehicle body, the vehicle body and the water-stable layer base material discharged from the cement grouting machine 17 are pushed flat, the height of the grouting push plate 9 is adjusted through the lifting mechanism, and the paving thickness of the water-stable base mixture can be adjusted.

[0027] The outer side of the adjusting seat 7 is provided with a reciprocating driving mechanism for driving the longitudinal shaking of the movable plate 8. The reciprocating driving mechanism can control the longitudinal shaking of the movable plate 8 during paving, and the movable plate 8 drives the grouting push plate 9 to vibrate together, so that the air in the stone is quickly discharged, and the structure quality of the water stable layer is improved.

[0028] Specifically, a plurality of limiting rods 16 are arranged between the fixed plate 1 and the supporting plate 2, the limiting rods 16 are fixedly connected with the fixed plate 1 and the supporting plate 2, the adjusting seat 7 is fixedly connected with the limiting plate 5 at the upper end, the limiting rods 16 penetrate the limiting plate 5, and the limiting plate 5 is in sliding connection with the limiting rods 16. When the lifting mechanism adjusts the height of the movable plate 8, the supporting plate 2 cooperates with the adjusting seat 7 to limit the adjusting seat 7, and the limiting rods 16 cooperate with the limiting plate 5 to limit the limiting plate 5, so that the adjusting seat 7 is prevented from being separated from the supporting plate 2 and the stability of the lifting of the adjusting seat 7 is improved.

[0029] Regarding the lifting mechanism:

[0030] The lifting mechanism comprises a first hydraulic push rod 6, the first hydraulic push rod 6 is fixedly connected with the upper end of the fixed plate 1, and the output end of the first hydraulic push rod 6 is fixedly connected with the upper end of the limiting plate 5. The lifting of the limiting plate 5 is controlled by the first hydraulic push rod 6, and here, no more will be described.

[0031] The reciprocating driving mechanism controls the longitudinal shaking of the movable plate 8, specifically, the reciprocating driving mechanism comprises a motor 13 and an eccentric wheel 15, the eccentric wheel 15 is rotatably connected to the inner side of the movable groove 12, the inner side of the movable plate 8 is provided with an eccentric wheel groove 14, the eccentric wheel groove 14 cooperates with the eccentric wheel 15, the motor 13 is fixedly connected to the outer side of the adjusting seat 7, and the output end of the motor 13 is fixedly connected with the eccentric wheel 15. The rotation axis of the eccentric wheel 15 deviates from the center of the eccentric wheel 15, when the motor 13 controls the rotation of the eccentric wheel 15, the eccentric wheel 15 will drive the movable plate 8 to move longitudinally along the movable groove 12 through cooperation with the eccentric wheel groove 14, and the movable groove 12 limits the movable plate 8 through cooperation with the movable plate 8.

[0032] In the preferred scheme, the mounting plate 3 is provided with a bolt plate 4 away from the supporting plate 2, the bolt plate 4 is fixedly connected to the lower end of the fixed plate 1, and a plurality of bolt holes are formed in the bolt plate 4. The bolt plate 4 is fixed to the main paving plate 10 of the paving vehicle 10 through bolt connection, and is used for facilitating the installation of the grouting push plate 9.

[0033] The connection between the mounting plate 3, the bolt plate 4 and the fixed plate 1 is provided with a reinforcing rib, and the reinforcing rib is fixedly connected with the fixed plate 1, the mounting plate 3 and the bolt plate 4 through welding. It is used for enhancing the structural strength of the mounting plate 3, the bolt plate 4 and the fixed plate 1.

[0034] The working principle of the application:

[0035] The main paving plate 11 is fixed at the tail end of the paving vehicle 10, the fixed plate 1 is fixed at the left and right ends of the main paving plate 11, the grouting push plate 9 and the main paving plate 11 can move with the vehicle body, the vehicle body and the cement grouting machine 17 are pushed flat, the height of the grouting push plate 9 is adjusted by the lifting mechanism, and the paving thickness of the cement stabilized base mixture can be adjusted. The reciprocating driving mechanism controls the longitudinal shaking of the movable plate 8 during paving, the movable plate 8 drives the grouting push plate 9 to vibrate together, air in the stone is quickly discharged, and the structure quality of the cement stabilized layer is improved.

[0036] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A water-stable base mixture paving machine auxiliary scraper structure, comprising a main paving plate (11) fixed at the tail end of a paving vehicle (10), cement grouting machines (17) are fixedly arranged at the left and right ends of the main paving plate (11), characterized in that: The cement grouting machine (17) is provided below with a grouting paving structure; The grouting paving structure comprises a fixed plate (1) and a supporting plate (2), a mounting plate (3) is fixedly connected between the fixed plate (1) and the supporting plate (2), an adjusting seat (7) is arranged below the fixed plate (1), the supporting plate (2) is sleeved outside the adjusting seat (7), the adjusting seat (7) is slidably connected with the supporting plate (2), and a lifting mechanism for adjusting the height of the adjusting seat (7) is arranged at the upper end of the fixed plate (1). An active plate (8) is arranged at the lower end of the adjusting seat (7), the active plate (8) is slidably connected with an active groove (12) formed at the lower end of the adjusting seat (7), a grouting push plate (9) is fixedly connected to the lower end of the active plate (8), and a reciprocating driving mechanism for driving the active plate (8) to longitudinally shake is arranged outside the adjusting seat (7).

2. The auxiliary scraper structure of a water-stable base mixture paver according to claim 1, characterized in that: A plurality of limiting rods (16) are arranged between the fixed plate (1) and the supporting plate (2), the limiting rods (16) are fixedly connected with the fixed plate (1) and the supporting plate (2), a limiting plate (5) is fixedly connected to the upper end of the adjusting seat (7), the limiting rods (16) penetrate the limiting plate (5), and the limiting plate (5) is slidably connected with the limiting rods (16).

3. The auxiliary screed structure for a water-stable base mixture paver according to claim 2, characterized by: The lifting mechanism comprises a first hydraulic push rod (6), the mounting end of the first hydraulic push rod (6) is fixedly connected to the upper end of the fixed plate (1), and the output end of the first hydraulic push rod (6) is fixedly connected to the upper end of the limiting plate (5).

4. The auxiliary screed structure for a water-stable base mixture paver according to claim 1, characterized by: The reciprocating driving mechanism comprises a motor (13) and an eccentric wheel (15), the eccentric wheel (15) is rotatably connected to the inner side of the active groove (12), an eccentric wheel groove (14) is formed in the inner side of the active plate (8), the eccentric wheel groove (14) is matched with the eccentric wheel (15), the motor (13) is fixedly connected to the outer side of the adjusting seat (7), and the output end of the motor (13) is fixedly connected with the eccentric wheel (15).

5. The auxiliary screed structure for a water-stable base mixture paver according to claim 1, characterized by: A bolt plate (4) is arranged on the side, away from the supporting plate (2), of the mounting plate (3), the bolt plate (4) is fixedly connected to the lower end of the fixed plate (1), and a plurality of bolt holes are formed in the bolt plate (4).

6. The auxiliary screed structure for a water-stable base mixture paver according to claim 5, characterized by: Reinforcing ribs are arranged at the connection positions of the mounting plate (3), the bolt plate (4) and the fixed plate (1), and the reinforcing ribs are fixedly connected with the fixed plate (1), the mounting plate (3) and the bolt plate (4) by welding.

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