Large-width and large-thickness roadbed paving device

Abstract

The utility model discloses a large-width and large-thickness roadbed paving device which comprises a supporting plate, and a material storage box, a slicking mechanism and a compacting mechanism which are sequentially arranged on the supporting plate along the paving direction, and the supporting plate can walk on the two sides of a roadbed by arranging a walking mechanism. The material storage box is fixedly arranged on the supporting plate, a discharging groove is formed in the bottom face of the material storage box in a communicating mode, the material storage box is an inclined channel facing the paving direction, and the pumping vehicle synchronously moves along with the paving device so as to pump paving materials into the material storage box and then pave the paving materials to a roadbed surface through the discharging groove; a vertical first scraping plate is fixedly arranged at the bottom end, close to the rear portion of the paving direction, of the discharging groove and used for primarily scraping the paving material, the scraping mechanism is used for secondarily scraping the paving material, and the compacting mechanism is used for compacting and pressing the flatly-scraped paving material. According to the utility model, two striking-off means are arranged, so that a better striking-off effect on a paving material is realized, subsequent better flattening and pressing construction is facilitated, and high-quality paving construction of a roadbed is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed engineering construction, and more specifically, to a roadbed paving device with large width and thickness. Background Art

[0002] Roadbed construction refers to construction carried out by machinery including earth-moving machinery, excavation and loading machinery, engineering transport vehicles and compaction machinery. Existing roadbed construction uses paving and compaction equipment for paving construction. During the paving construction process, after the paving materials such as concrete are unloaded, they are generally scraped and leveled by scraping equipment. For a wide and thick roadbed, the paving material unloading range is large. If the scraping effect is not good, it is easy to cause the subsequent flattening and compacting effect to be poor, which will lead to quality problems in the entire paving construction, such as uneven road surface. In addition, for the paving construction of a wide and thick roadbed, the paving device needs to adjust its paving height according to the specific thickness of the paving. How to achieve stable adjustment is also a technical problem that needs to be solved. Utility Model Content

[0003] One purpose of the utility model is to provide a roadbed paving device with large width and thickness. By setting two scraping means, a better scraping effect on the paving material can be achieved, which is conducive to the subsequent flattening and compacting construction, and realizes high-quality paving construction of the roadbed.

[0004] In order to solve the above technical problems, the utility model provides a roadbed paving device with large width and thickness, including a support plate and a storage box, a scraping mechanism and a compacting mechanism which are sequentially arranged on the support plate along the paving direction. The support plate can move on both sides of the roadbed by arranging a walking mechanism. The storage box is fixedly arranged on the support plate and is connected to a discharge chute on the bottom surface, which is an inclined channel facing the paving direction. The pumping vehicle moves synchronously with the paving device to pump the paving material into the storage box and then spread it onto the roadbed surface through the discharge chute. A vertical first scraping plate is fixedly arranged at the bottom end of the discharge chute near the rear of the paving direction, which is used for preliminarily scraping the paving material. The scraping mechanism is used for secondary scraping of the paving material. The compacting mechanism is used for compacting the scraped paving material.

[0005] Preferably, the bottom surface of the material storage box is an inclined surface connected to the material discharge chute.

[0006] Preferably, a support block with a triangular cross-section is integrally provided between the discharge chute and the bottom surface of the support plate, the top surface of the first scraper plate is integrally connected via a connecting plate, the connecting plate and the support block are detachably connected via bolts, the first scraper plate and the connecting plate form a unit, and the first scraper plate and the connecting plate corresponding to the unit of different heights can be replaced according to the paving thickness.

[0007] Preferably, the scraping mechanism includes a fixed plate fixedly connected to the support plate and a second scraping plate connected to the bottom of the fixed plate, the cross-section of the bottom of the second scraping plate is a truncated cone structure, the bottom surface size of the second scraping plate is larger than the bottom surface size of the first scraping plate, and the bottom surface height of the first scraping plate is lower than the bottom surface height of the second scraping plate.

[0008] Preferably, the second scraper plate is detachably connected to the fixed plate by bolts, and different numbers of pads are provided on the top surface of the second scraper plate according to the paving height, and the bolt holes thereon correspond exactly one to one with the bolt holes of the second scraper plate, and the second scraper plate and the pads are integrally connected to the fixed plate by bolts.

[0009] Preferably, the compaction mechanism includes a compaction roller and a pair of roller plates, the compaction roller is used to compact the paving material, both ends of the compaction roller are connected to a pair of roller plates through an axis, the pair of roller plates are bolted to the support plate through bolt holes of different heights arranged on the roller plates according to the paving thickness, and the support plate directly above the pair of compaction rollers is a through-notch structure to accommodate compaction rollers of different heights.

[0010] Preferably, the walking mechanism includes a plurality of legs and a plurality of walking rollers which are symmetrically arranged on both sides of the support plate, and the walking is achieved by arranging walking rollers at the bottom of the legs on both sides of the support plate.

[0011] The utility model at least has the following beneficial effects:

[0012] 1. The utility model achieves a better leveling effect on the paving material by setting two leveling steps, and the shape setting of the scraping plate can achieve better leveling and has a certain compaction effect, which is conducive to the subsequent better flattening and compacting construction, and realizes high-quality paving construction of the roadbed.

[0013] 2. The structures corresponding to the two scraping and pressing operations of the utility model can adjust the height so as to adjust the paving height according to the specific thickness of the paving, which has higher applicability and flexibility.

[0014] 3. The paving device of the utility model is adjusted according to the paving height before construction, and no manual operation is required during the construction process. The paving device automatically performs paving work during the moving process, and the construction safety is higher.

[0015] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a side view of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional front view of the material storage box of the utility model;

[0018] Figure 3 It is a front cross-sectional view of the compaction roller of the utility model.

[0019] Description of reference numerals:

[0020] 1. Support plate, 2. Storage box, 3. Discharge chute, 4. First scraper plate, 5. Support block, 6. Connecting plate, 7. Fixing plate, 8. Second scraper plate, 9. Pad, 10. Bolt, 11. Compacting roller, 12. Roller plate, 13. Travel roller. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement it according to the description.

[0022] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] like Figures 1 to 3 As shown, the utility model provides a roadbed paving device with large width and thickness, including a support plate 1 and a storage box 2, a leveling mechanism and a compacting mechanism which are sequentially arranged on the support plate 1 along the paving direction. The support plate 1 can walk on both sides of the roadbed by arranging a walking mechanism. The storage box 2 is fixedly arranged on the support plate 1 and is connected to a discharge chute 3 on the bottom surface, which is an inclined channel facing the paving direction. The pumping vehicle moves synchronously with the paving device to pump the paving material into the storage box 2 and then spread it onto the roadbed surface through the discharge chute 3. A vertical first scraping plate 4 is fixedly arranged at the bottom end of the discharge chute 3 near the rear of the paving direction, which is used for preliminarily leveling the paving material. The leveling mechanism is used for secondary leveling of the paving material. The compacting mechanism is used for compacting the leveled paving material.

[0024] In another embodiment, the bottom surface of the storage box 2 is an inclined surface connected to the discharge chute 3.

[0025] In another embodiment, a support block 5 with a triangular cross-section is integrally provided between the discharge chute 3 and the bottom surface of the support plate 1, and the top surface of the first scraper plate 4 is integrally connected via a connecting plate 6. The connecting plate 6 and the support block 5 are detachably connected via bolts. The first scraper plate 4 and the connecting plate 6 form a unit, and the first scraper plate 4 and the connecting plate 6 corresponding to the unit of different heights can be replaced according to the paving thickness.

[0026] The support block 5 is a structure for supporting the material chute 3 to prevent the material chute 3 from being suspended in the air and to ensure the stability of material discharge. At the same time, the support block 5 is also for the convenience of connecting the first scraper plate 4 and installing and removing the first scraper plate 4. The height of the first scraper plate 4 corresponding to different first scraper plates 4 and connecting plate 6 units is different. According to the paving thickness, the appropriate height of the first scraper plate 4 is selected for installation. In general, the bottom surface height of the first scraper plate 4 is lower than or equal to the bottom surface height of the second scraper plate 8.

[0027] In another embodiment, the scraping mechanism includes a fixed plate 7 fixedly connected to the support plate 1 and a second scraping plate 8 connected to the bottom of the fixed plate 7, the cross-section of the bottom of the second scraping plate 8 is a truncated cone structure, the bottom surface size of the second scraping plate 8 is larger than the bottom surface size of the first scraping plate 4, and the bottom surface height of the first scraping plate 4 is lower than the bottom surface height of the second scraping plate 8.

[0028] The bottom surface of the second scraper plate 8 is a truncated cone structure, that is, the front and rear sides along the paving direction are inclined surfaces, and the middle part is a lower plane. The inclined surface can be used to level the higher and uneven paving materials to a certain extent, and then the paving materials can be further scraped flat to basically meet the requirements through the lower plane. The plane setting can also flatten and compact the paving materials to a certain extent.

[0029] In another embodiment, the second scraper plate 8 is detachably connected to the fixed plate 7 by bolts 10, and the top surface of the second scraper plate 8 is provided with different numbers of pads 9 according to the paving height, and the bolt holes thereon are exactly one-to-one corresponding to the bolt holes of the second scraper plate 8, and the second scraper plate 8 and the pads 9 are integrally connected to the fixed plate 7 by bolts 10. The thickness of the pads 9 is not uniform, and the pads 9 of appropriate thickness and number can be selected for installation according to the paving thickness.

[0030] In another embodiment, the compaction mechanism includes a compaction roller 11 and a pair of roller plates 12. The compaction roller 11 is used to compact the paving material. Both ends of the compaction roller 11 are connected to the pair of roller plates 12 through shafts. The pair of roller plates 12 are bolted to the support plate 1 through bolt holes of different heights provided on the roller plates 12 according to the paving thickness. The support plate 1 directly above the pair of compaction rollers 11 is a through-notch structure to accommodate compaction rollers 11 of different heights. Bolt holes of different heights are provided on the roller plate 12, and the appropriate bolt holes are selected according to the paving height when installed on the support plate 1. The bottom height of the compaction roller 11 is generally slightly lower than or equal to the lowest height of the scraper plate.

[0031] In another embodiment, the walking mechanism includes a plurality of legs and a plurality of walking rollers 13 which are symmetrically arranged on both sides of the support plate 1 , and the walking is achieved by arranging walking rollers 13 at the bottom of the legs on both sides of the support plate 1 .

[0032] The working process of this application is: first, according to the actual paving thickness, select the appropriate height of the first scraper plate 4, the appropriate thickness and number of pads 9, the screw holes of the appropriate height on the roller plate 12, and install the first scraper plate 4, the second scraper plate 8 and the compaction roller 11, start the walking mechanism to move at the set speed, and at the same time, use the pumping vehicle to move synchronously with the paving device to pump the paving material into the storage box 2 and then spread it onto the roadbed surface through the discharge chute 3, and realize the material discharging and paving in turn, the first scraper plate 4 is initially scraped and leveled, the second scraper plate 8 is scraped and leveled again, and the compaction roller 11 is in the process of compaction.

[0033] It can be understood that the present invention is described by some embodiments, and those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation mode. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, other modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to specific details and the illustrations shown and described here.

Claims

1. A roadbed paving device with large width and thickness, characterized in that: It includes a support plate and a material storage box, a scraping mechanism and a compacting mechanism which are sequentially arranged on the support plate along the paving direction. The support plate can move on both sides of the roadbed by arranging a walking mechanism. The material storage box is fixedly arranged on the support plate and is connected to a material discharge chute on the bottom surface, which is an inclined channel facing the paving direction. The pumping vehicle moves synchronously with the paving device to pump the paving material into the material storage box and then spread it onto the roadbed surface through the material discharge chute. A vertical first scraping plate is fixedly arranged at the bottom end of the material discharge chute near the rear of the paving direction, which is used for preliminarily scraping the paving material. The scraping mechanism is used for secondary scraping of the paving material. The compacting mechanism is used for compacting the scraped paving material.

2. The large width and thickness roadbed paving device according to claim 1, characterized in that: The bottom surface of the material storage box is an inclined surface connected to the material discharge chute.

3. The large width and thickness roadbed paving device according to claim 1, characterized in that: A support block with a triangular cross-section is integrally arranged between the discharge chute and the bottom surface of the support plate. The top surface of the first scraper plate is integrally connected via a connecting plate. The connecting plate and the support block are detachably connected via bolts. The first scraper plate and the connecting plate form a unit. The first scraper plate and the connecting plate corresponding to the unit of different heights can be replaced according to the paving thickness.

4. The large width and thickness roadbed paving device according to claim 1, characterized in that: The scraping mechanism includes a fixed plate fixedly connected to the support plate and a second scraping plate connected to the bottom of the fixed plate. The cross-section of the bottom of the second scraping plate is a truncated cone structure. The bottom surface size of the second scraping plate is larger than the bottom surface size of the first scraping plate. The bottom surface height of the first scraping plate is lower than the bottom surface height of the second scraping plate.

5. The large width and thickness roadbed paving device according to claim 4, characterized in that: The second scraper plate is detachably connected to the fixed plate by bolts. Different numbers of pads are provided on the top surface of the second scraper plate according to the paving height. The bolt holes on the pads correspond exactly to the bolt holes of the second scraper plate. The second scraper plate and the pads are integrally connected to the fixed plate by bolts.

6. The large width and thickness roadbed paving device according to claim 1, characterized in that: The compaction mechanism includes a compaction roller and a pair of roller plates. The compaction roller is used to compact the paving material. Both ends of the compaction roller are connected to a pair of roller plates through shafts. The pair of roller plates are bolted to the support plate through bolt holes of different heights arranged on the roller plates according to the paving thickness. The support plate directly above the pair of compaction rollers is a through-notch structure to accommodate compaction rollers of different heights.

7. The large width and thickness roadbed paving device according to claim 1, characterized in that: The walking mechanism comprises a plurality of legs and a plurality of walking rollers which are symmetrically arranged on both sides of the support plate. The walking is achieved by arranging walking rollers at the bottom of the legs on both sides of the support plate.

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