Scraper knife structure of municipal engineering pavement land leveler

Abstract

The utility model relates to a scraper knife structure of a municipal engineering pavement grader, the back side of a scraper knife is provided with a guide rail, the two sides of the scraper knife in the length direction are also detachably provided with an edge closing device, the edge closing device comprises an edge knife, the thickness of the edge knife is the same as that of the scraper knife, and the bottom of the edge knife is flush with that of the scraper knife; the projection of the structure of the installation block and the projection of the structure of the guide rail on the same vertical plane are the same, the installation block is detachably installed at one end of the guide rail, the edge cutter and the installation block are detachably installed, and the height of the edge cutter can be adjusted. The utility model mainly aims to provide the scraper knife structure of the municipal engineering road surface grader, the edge knives are additionally arranged on the two sides of the scraper knife, so that the problem that consumed time is too long in the ending stage is solved, the production cost is reduced, and meanwhile the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a construction machinery, in particular to a blade structure of a road grader for municipal engineering Background Art

[0002] A road grader is a construction machinery widely used in large-area ground leveling operations such as highways and airports. Its blade can perform multi-dimensional movements in space, with high movement flexibility and convenient operation. The grader plays a role in shaping and leveling in earthwork projects and is an important equipment for constructing roadbeds and road surfaces

[0003] The blade mechanism of the grader is its core working device, responsible for soil cutting, scraping, and leveling operations. In the prior art, at the end stage of road leveling, during the leveling process of the grader, the amount of soil scraped out is not much. However, during this stage, the soil will turn outwards through both sides of the blade. Therefore, it often requires two or three round trips of operation, which may increase to five or six round trips, thus increasing the working time. At the same time, it will also increase certain production costs, such as fuel consumption Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a blade structure of a road grader for municipal engineering, by adding side blades on both sides of the blade to solve the problem of excessive time consumption at the end stage, reduce production costs, and improve production efficiency at the same time

[0005] To achieve the above purpose, the utility model provides a blade structure of a road grader for municipal engineering. A guide rail is provided on the back side of the blade, and a side edge collecting device is detachably provided on both sides in the length direction of the blade. The side edge collecting device includes:

[0006] A side blade, the side blade has the same thickness as the blade, and the side blade is flush with the bottom of the blade

[0007] An installation block, the structure of the installation block has the same projection on the same vertical plane as the structure of the guide rail. The installation block is detachably installed at one end of the guide rail. The side blade is detachably installed with the installation block, and the height of the side blade can be adjusted

[0008] Preferably, a threaded hole is provided at the end in the length direction of the guide rail. The installation block is provided with a through hole penetrating the installation block. One end of a threaded rod is screwed with the guide rail through the threaded hole, and the other end of the threaded rod passes through the through hole and is screwed with a first nut

[0009] Further preferably, the side blade is connected to the installation block through a fastening member

[0010] Even more preferably, the fastening member is a second nut and a bolt

[0011] Further preferably, a first through hole is provided at the bottom of the mounting block, a second through hole is provided at the matching position of the edge cutter and the through hole, and one end of the bolt sequentially passes through the first through hole and the second through hole and then is screwed with the second nut.

[0012] Further preferably, the first through hole is a counterbore, and the second through hole is a strip-shaped through hole.

[0013] The beneficial effects of the present utility model are as follows:

[0014] By installing the edge trimming device on both sides of the scraper blade, the present utility model appropriately increases the length of the scraper blade, thereby improving the working efficiency during the working process of the scraper blade. At the same time, the edge trimming device is set to a detachable installation method. Therefore, when the edge trimming device is not needed, it can be disassembled without affecting the work of the scraper blade. In addition, the edge cutter and the mounting block of the present utility model adopt a detachable installation method, enabling an operator to install and disassemble it alone. Meanwhile, the height of the edge cutter is set to an adjustable structure. In this way, after the blade of the scraper blade wears, the height of the edge cutter can be adjusted accordingly, so that the bottom of the edge cutter always remains flush with the bottom of the blade of the scraper blade. Description of the Drawings

[0015] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0016] Figure 1 is a schematic structural diagram of the scraper blade structure of a grader in the prior art;

[0017] Figure 2 is a schematic structural diagram of the scraper blade structure of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the edge trimming device of the scraper blade structure of the present utility model;

[0019] Figure 4 is a front view of the edge trimming device of the present utility model;

[0020] Figure 5 is a rear view of the edge trimming device of the present utility model.

[0021] Description of the Reference Numerals

[0022] 10, grader; 11, guide rail buckle;

[0023] 100, scraper blade; 110, guide rail;

[0024] 200, edge trimming device; 210, edge cutter; 211, strip-shaped through hole;

[0025] 220, mounting block; 221, counterbore; 230, threaded rod; 231, first nut;

[0026] 241. Bolt; 242. Second nut. Detailed implementation mode

[0027] The following combines the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Many specific details are set forth in the following description in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0028] As Figure 1 shown, in the prior art, the scraper 100 is installed between the front and rear two sets of wheels of the road grader 10. The lifting, tilting and other operations of the scraper 100 of the road grader 10 are mostly completed by a hydraulic system. Therefore, a guide rail 110 is usually provided on the back side of the scraper 100. The hydraulic system includes a guide rail buckle 110 and 11, and the guide rail 110 is slidably connected to the guide rail buckle 11, so as to achieve the purpose of controlling the scraper 100 by the hydraulic system.

[0029] What is specifically improved in this embodiment is the structure of the scraper 100. Therefore, the specific structure of the road grader 10 will not be described in detail and can refer to the structure in the prior art.

[0030] As Figure 2 shown, this embodiment provides a structure of the scraper 100 of a municipal engineering road grader 10. A guide rail 110 is provided on the back side of the scraper 100, and edge trimming devices 200 are detachably provided on both sides in the length direction of the scraper 100. The edge trimming device 200 in this embodiment is mainly used in the leveling process at the end stage of the road surface.

[0031] Specifically, as Figures 3 to 5 shown, the edge trimming device 200 includes an edge cutter 210 and a mounting block 220. The edge cutter 210 is detachably mounted on the mounting block 220, and the mounting block 220 is detachably mounted on the guide rail 110. Specifically, the edge cutter 210 has the same thickness as the scraper 100. After installation, the bottom of the edge cutter 210 is flush with the bottom of the scraper 100 to avoid the two sides not being on the same horizontal line. In actual work, the bottom of the scraper 100 will be worn due to long-term use. Therefore, the height of the edge cutter 210 needs to be set to be adjustable.

[0032] The structure of the mounting block 220 has the same projection on the same vertical plane as the structure of the guide rail 110. In this way, the operator can choose not to disassemble the mounting block 220 according to the actual working conditions, and it still does not affect the adjustment of the tilting angle of the scraper 100.

[0033] In this embodiment, the guide rail 110 and the mounting block 220 are connected by a threaded rod 230. Preferably, a threaded hole is provided at the end of the guide rail 110 in the length direction, the mounting block 220 is provided with a through hole penetrating the mounting block 220, one end of the threaded rod 230 is screwed to the guide rail 110 through the threaded hole, and the other end of the threaded rod 230 passes through the through hole and is screwed to the first nut 231.

[0034] Similarly, in order to facilitate a single operator to complete the installation operation, the side cutter 210 and the mounting block 220 are connected by fasteners. Preferably, the fasteners are a second nut 242 and a bolt 241. Specifically, a first through hole is provided at the bottom of the mounting block 220, a second through hole is provided at the matching position of the side cutter 210 and the through hole, and one end of the bolt 241 passes through the first through hole and the second through hole in sequence and is screwed to the second nut 242. As described above, when the mounting block 220 is not disassembled, the inclination angle of the shovel 100 is still not affected. Therefore, the first through hole is set as a counterbore 221 so that the nut of the bolt 241 is sunk into the counterbore 221. In order to realize the height adjustment of the side cutter 210, the second through hole is set as a strip-shaped through hole 211.

[0035] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

Claims

1. A blade structure of a municipal engineering road grader, wherein a guide rail is provided on the back side of the blade, characterized in that: The two sides of the blade in the length direction are also detachably provided with edge trimming devices, and the edge trimming devices include: A side cutter, the side cutter and the scraper have the same thickness, and the side cutter and the scraper are flush with each other; A mounting block, wherein the structure of the mounting block is the same as the projection of the structure of the guide rail on the same vertical plane, the mounting block is detachably mounted on one end of the guide rail, the edge knife is detachably mounted on the mounting block, and the height of the edge knife is adjustable.

2. The blade structure of a municipal engineering road grader according to claim 1, characterized in that: A threaded hole is provided at the end of the guide rail in the length direction, and the mounting block is provided with a through hole penetrating the mounting block. One end of the threaded rod is screwed to the guide rail through the threaded hole, and the other end of the threaded rod is screwed to the first nut after passing through the through hole.

3. The blade structure of a municipal engineering road grader according to claim 1, characterized in that: The edge cutter is connected to the mounting block via a fastener.

4. The blade structure of a municipal engineering road grader according to claim 3, characterized in that: The fasteners are second nuts and bolts.

5. The blade structure of a municipal engineering road grader according to claim 4, characterized in that: A first through hole is provided at the bottom of the mounting block, a second through hole is provided at a position where the edge cutter matches the through hole, and one end of the bolt passes through the first through hole and the second through hole in sequence and is threadedly connected with the second nut.

6. The blade structure of a municipal engineering road grader according to claim 5, characterized in that: The first through hole is a countersunk hole, and the second through hole is a strip-shaped through hole.

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