Tool apron for land leveler

Abstract

The tool apron comprises an installation plate, a groove is fixedly formed in the bottom of the tool apron, a protruding strip is fixedly arranged at the joint, corresponding to the groove, of a scraper, the protruding strip can be embedded into an inner cavity of the groove, a plurality of second bolts movably penetrate through the rear end face of the groove of the tool apron, and the second bolts are fixedly arranged on the installation plate. And the second bolts are in threaded connection with the interiors of the convex strips of the scrapers. The utility model relates to the technical field of land levelers, through the cooperation among the grooves, the raised lines and the second bolts, the arrangement position of the groove at the bottom of the tool apron reserves a sufficient installation space for the scraper, the thickness of the scraper is ensured, and the scraper can be limited to a certain extent by the grooves and the raised lines, so that the scraper can be fixed by the single row of second bolts, and the installation is convenient. Disassembly and assembly are more convenient; and meanwhile, through cooperation of the first tooth set, the second tooth set, the through groove, the first bolt and the nut, the length between the tool apron and the mounting plate can be adjusted more conveniently and flexibly.

Description

Technical Field

[0001] The utility model relates to the technical field of land graders, in particular to a knife seat for land graders. Background Art

[0002] The grader blade is the main working device of the grader. It can cooperate with other auxiliary devices to cut, scrape and level the soil. It can also shape and repair sand and gravel roads, gravel roads, roadbeds and pavements, strip topsoil or turf, dig trenches, scrape slopes and other leveling operations, as well as complete operations such as mixing, backfilling, pushing and spreading materials.

[0003] According to "A blade holder for a motor grader" provided by Chinese patent authorization announcement number CN215330115U, the above document bolts and fixes the scraper through the auxiliary blade holder, and the detachable installation method can replace the scraper individually; secondly, the third bolt hole and the fourth bolt hole of different heights are matched to change the height of the blade holder by bolt fixing.

[0004] However, the blade holder still has some shortcomings. First, the thinner scraper is fixed with double rows of bolts, which makes it inconvenient to disassemble and the thinner scraper is more likely to deform and damage. Second, there is a certain distance between the fourth bolt holes opened in multiple rows, which leads to certain limitations on the extension length of the blade holder. To this end, we provide a blade holder for a grader to solve the above problems. Utility Model Content

[0005] In order to solve the above problem, that is, to solve the problem raised by the above background technology, the utility model proposes a knife seat for a grader, comprising a mounting plate, a knife seat is arranged on the front side of the mounting plate, and a scraper is arranged below the front side of the knife seat;

[0006] A groove is fixedly provided at the bottom of the knife seat, and a convex strip is fixedly provided at the connection between the scraper and the groove, and the convex strip can be embedded in the inner cavity of the groove. A plurality of second bolts are movably penetrated through the rear end surface of the groove of the knife seat, and the second bolts are all threadedly connected to the inside of the convex strip of the scraper;

[0007] A plurality of through slots are provided inside the mounting plate, and a first bolt is movably inserted through the position corresponding to the through slot inside the knife seat, and the first bolt can slide inside the corresponding through slot and is threadedly connected to a nut at the threaded end of the first bolt.

[0008] Preferably, the groove of the knife seat is located directly below the mounting plate as a whole, and both ends of the groove are designed to be sealed.

[0009] Preferably, a reinforcing plate is fixedly provided at the bottom of the blade holder, and one side of the reinforcing plate is in contact with the back of the scraper.

[0010] Preferably, the connecting surface between the mounting plate and the tool holder is processed with a first tooth group and a second tooth group respectively, and the first tooth group and the second tooth group are engaged with each other.

[0011] The beneficial technical effects of the utility model are as follows: through the cooperation between the groove, the convex strip and the second bolt, the setting position of the groove at the bottom of the knife seat leaves sufficient installation space for the scraper, ensuring the thickness of the scraper, and the groove and the convex strip can also limit the scraper to a certain extent, so that the single row of second bolts can complete the fixation of the scraper, and the disassembly and assembly is more convenient; at the same time, through the cooperation between the first tooth group, the second tooth group, the through groove, the first bolt and the nut, the length adjustment between the knife seat and the mounting plate is more convenient and flexible, and the bite between the first tooth group and the second tooth group can avoid the first bolt from slipping in the through groove. In summary, the knife seat is convenient for the disassembly and assembly of the scraper, and increases the diversity of the extension length of the scraper, thereby making the knife seat simpler and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional structural schematic diagram of the utility model is shown.

[0013] Figure 2 The utility model is shown in a three-dimensional structure explosion diagram.

[0014] Figure 3 A cross-sectional structural schematic diagram of the utility model is shown.

[0015] Figure numerals: 1, mounting plate; 11, through groove; 12, first tooth group; 2, knife seat; 21, groove; 22, second tooth group; 23, reinforcing plate; 3, scraper; 31, convex strip; 4, first bolt; 41, nut; 5, second bolt. DETAILED DESCRIPTION

[0016] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0017] The utility model proposes a knife seat for a grader, comprising a mounting plate 1, a knife seat 2 is arranged on the front side of the mounting plate 1, a scraper 3 is arranged on the lower front side of the knife seat 2, the knife seat 2 and the scraper 3 are designed as split parts, can be disassembled and replaced separately, a groove 21 is fixedly arranged on the bottom of the knife seat 2, a convex strip 31 is fixedly arranged at the connection between the scraper 3 and the groove 21, the convex strip 31 can be embedded in the inner cavity of the groove 21, a plurality of second bolts 5 are movably penetrated on the rear end surface of the groove 21 of the knife seat 2, and the second bolts 5 are all threadedly connected to the convex strips of the scraper 3. Inside the strip 31, the groove 21 and the convex strip 31 can limit the scraper 3 to a certain extent, so that a single row of second bolts 5 can complete the fixation of the scraper 3, and disassembly and assembly are more convenient. A plurality of through grooves 11 are opened inside the mounting plate 1, and a first bolt 4 is movably penetrated at a position corresponding to the through groove 11 inside the tool holder 2, and the first bolt 4 can slide inside the corresponding through groove 11, and is threadedly connected to the nut 41 at the threaded end of the first bolt 4. The design of the through groove 11 allows the extension length of the tool holder 2 to be adjusted at will, replacing the traditional bolt hole positioning.

[0018] Specifically, the groove 21 of the tool holder 2 is located as a whole directly below the mounting plate 1. The setting position of the groove 21 at the bottom of the tool holder 2 leaves sufficient installation space for the scraper 3, ensuring the thickness of the scraper 3. Both ends of the groove 21 are sealed to further reinforce the fixed position of the scraper 3. A reinforcing plate 23 is fixedly provided at the bottom of the tool holder 2, and one side of the reinforcing plate 23 is attached to the back of the scraper 3. This design enables the reinforced fixed plate to effectively support the scraper 3 to prevent the scraper 3 from being deformed due to overload. The connecting surfaces of the mounting plate 1 and the tool holder 2 are respectively processed with a first tooth group 12 and a second tooth group 22, which are engaged with each other. The engagement between the first tooth group 12 and the second tooth group 22 can prevent the first bolt 4 from slipping in the through groove 11.

[0019] Working principle: When in use, the convex strip 31 at the rear end of the scraper 3 can be embedded in the inner cavity of the groove 21, and the scraper 3 can be fixed by the second bolt 5. The cooperation between the groove 21 and the convex strip 31 can play a certain limiting role on the scraper 3. No need for multiple rows of bolts for fixing, and disassembly is relatively convenient. Then, the length of the knife seat 2 on the mounting plate 1 can be adjusted according to the use position of the scraper 3. At this time, the first bolt 4 can penetrate the knife seat 2 and extend to the inner cavity of the through groove 11, and then it is connected and fixed with a nut 41. The mutual engagement between the first tooth group 12 and the second tooth group 22 can further lock the height of the knife seat 2 to avoid the first bolt 4 slipping in the through groove 11. The through groove 11 can well adjust the use height of the scraper 3, and the application range is wide.

[0020] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0021] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0023] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0024] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A tool holder for a motor grader, comprising a mounting plate (1), characterized in that: A knife seat (2) is arranged on the front side of the mounting plate (1), and a scraper (3) is arranged below the front side of the knife seat (2); The bottom of the knife seat (2) is fixedly provided with a groove (21), and the connection portion of the scraper (3) corresponding to the groove (21) is fixedly provided with a convex strip (31), and the convex strip (31) can be embedded in the inner cavity of the groove (21), and a plurality of second bolts (5) are movably penetrated through the rear end surface of the groove (21) of the knife seat (2), and the second bolts (5) are all threadedly connected to the inside of the convex strip (31) of the scraper (3); A plurality of through slots (11) are provided inside the mounting plate (1), and a first bolt (4) is movably inserted through a position corresponding to the through slot (11) inside the knife seat (2), and the first bolt (4) can slide inside the corresponding through slot (11) and is threadedly connected to a nut (41) at a threaded end of the first bolt (4).

2. A tool holder for a motor grader according to claim 1, characterized in that: The groove (21) of the knife seat (2) is located directly below the mounting plate (1) as a whole, and both ends of the groove (21) are designed to be sealed.

3. The tool holder for a motor grader according to claim 1, characterized in that: A reinforcing plate (23) is fixedly arranged at the bottom of the blade seat (2), and one side of the reinforcing plate (23) is in contact with the back of the scraper (3).

4. The tool holder for a motor grader according to claim 1, characterized in that: The connecting surfaces of the mounting plate (1) and the knife seat (2) are respectively processed with a first tooth group (12) and a second tooth group (22), and the first tooth group (12) and the second tooth group (22) are engaged with each other.

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