Flat planer with adjustable planing angle

Abstract

The utility model relates to the technical field of flat ground planers, and discloses a flat ground planer with an adjustable planing angle. The flat planer capable of adjusting the planing angle comprises a frame, a fixed shaft is installed on the lower portion of the frame in a penetrating mode, a movable wheel is installed on the outer side of the fixed shaft in a penetrating mode, a connecting frame is fixedly installed at the front end of the frame, a fixed plate is fixedly installed on the lower portion of the frame, and a coulter is fixedly installed on the front side of the fixed plate. A movable block is installed below the frame in an embedded mode, coulters are installed at the lower end of the vertical face of the front side of a fixing plate at equal intervals, the coulters are fixedly connected with the frame through the fixing plate, the lower ends of the coulters are flush with the lower end of a scraping plate, and the coulters are driven by traction equipment to make contact with soil firstly. The coulter can scarify the soil on the front side of the scraper blade along with the movement of the traction equipment, so that the soil is in a loose state before being in contact with the scraper blade, and the situation that the scraper blade is stuck due to soil hardening can be avoided in the mode.

Description

Technical Field

[0001] The utility model relates to the technical field of land planing, in particular to a land planing with adjustable planing angle. Background Art

[0002] The motor grader is the main machine used for shaping and leveling operations in earthwork projects. It is widely used in large-scale ground leveling operations such as highways and airports. During roadbed construction, the motor grader can provide sufficient strength and stability for the roadbed. Its main methods in roadbed construction include leveling operations, slope brushing operations, and embankment filling. The motor grader is a high-speed, efficient, high-precision and multi-purpose earthwork engineering machinery.

[0003] The existing Chinese utility model patent with reference announcement number CN219046639U discloses a land planing machine, in which a planing scraper is symmetrically connected to the middle lower part of the connecting beam in the front-to-back direction by a connecting beam, the rear end of the connecting beam is movably pinned to the front section of the rear connecting rod, the rear end of the rear connecting rod is movably pinned to the front end of the wheel frame, and both ends of the rear end of the wheel frame are rotatably connected to two wheels via the wheel axle; an arc-shaped tooth plate with a tooth opening facing forward is arranged on the middle and rear part of the connecting beam, a pull rod is also obliquely connected to the middle and rear part of the connecting beam, the rear end of the pull rod is hinged to the lower part of the rear end of the connecting beam via a rear pin, the front end of the pull rod is a pulling handle structure, front and rear adjustment grooves are respectively arranged on the front part of the pull rod and the corresponding arc-shaped tooth plate position, a front adjustment pull pin and a rear adjustment bayonet pin bent out of the front and rear of the adjusting rod are respectively connected to the front and rear adjustment grooves, a tension spring is connected between the rear adjustment bayonet and the connecting beam, and the rear adjustment bayonet is clamped in the tooth opening of the arc-shaped tooth plate. Its manual leveling operation is convenient, and the planing angle can be manually adjusted to meet the needs of small areas.

[0004] The existing land leveling planer is generally driven by a tractor, so that the planing structure of the land leveling planer drives the soil to move to achieve the effect of leveling the land. This method requires the tractor to have a large traction force, otherwise the land leveling planer may get stuck when encountering compacted soil. At the same time, the existing land leveling planer scraper is mostly a fixed structure, and the scraper angle cannot be quickly adjusted according to usage requirements. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a land leveling planer with adjustable planing angle, which has the advantages of being able to loosen the soil and quickly adjust the scraper angle, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a land planer with adjustable planing angle, comprising: a frame, a fixed shaft inserted under the frame, a movable wheel inserted outside the fixed shaft, a connecting frame fixedly installed at the front end of the frame, a fixed plate fixedly installed under the frame, a plow blade fixedly installed on the front side of the fixed plate, a movable block embeddedly installed under the frame, a connecting block movably installed on the left side of the movable block, a connecting piston fixedly installed at the rear end of the connecting block, a limiting block fixedly installed at the rear end of the connecting piston, a transfer block movably installed under the movable block, an adjusting piston fixedly installed at the lower end of the transfer block, a base fixedly installed at the lower end of the adjusting piston, a connecting shaft inserted inside the base, a scraper fixedly installed under the connecting shaft, and a limiting frame movably installed above the scraper; the frame can support the fixed shaft.

[0009] As a preferred technical solution of the utility model, the frame is rotatably connected to the fixed shaft, the movable wheel is installed through the center of the fixed shaft and the left and right ends of the fixed shaft, and the movable wheel is fixedly connected to the fixed shaft; the fixed shaft can limit the position of the movable wheel.

[0010] As a preferred technical solution of the utility model, the plowshares are equidistantly installed at the lower end of the front side elevation of the fixed plate, and the lower end of the plowshares is flush with the lower end of the scraper; the plowshares can loosen the soil in advance.

[0011] As an optimal technical solution of the utility model, a rotational connection is formed between the movable block and the frame, the connecting block is symmetrically installed on the left and right sides of the movable block with the center of the movable block as a reference, and a rotational connection is formed between the connecting block and the movable block; the movable block can drive the scraper to rotate.

[0012] As a preferred technical solution of the utility model, the rear side of the limit block is rotatably connected to the frame, and the adapter block is rotatably connected to the movable block; the limit block can facilitate the connection between the piston and the frame to form a rotatable connection.

[0013] As an optimal technical solution of the utility model, the base is rotatably connected to the scraper through a connecting shaft, a columnar structure is provided at the upper end of the scraper, the limit frame is movably installed on the outside of the columnar structure at the upper end of the scraper, and a rotatably connected is formed between the limit frame and the scraper; the scraper can plane the soil.

[0014] As the preferred technical solution of the utility model, the limit frame is installed on the upper end of the scraper symmetrically with the center of the movable block as the reference, the top surface of the limit frame is fixedly connected to the bottom surface of the movable block, and the scraper is movably connected to the movable block through the limit frame; the limit frame can facilitate the rotational connection between the scraper and the movable block.

[0015] Compared with the prior art, the utility model provides a planing plane with adjustable planing angle, which has the following beneficial effects:

[0016] 1. The utility model sets a plowshare, which is equidistantly installed at the lower end of the front side vertical surface of the fixed plate. The plowshare is fixedly connected to the frame through the fixed plate, and the lower end of the plowshare is flush with the lower end of the scraper. When driven by the traction device, the plowshare first contacts the soil, and the plowshare will loosen the soil on the front side of the scraper as the traction device moves, so that the soil is in a loose state before contacting the scraper. This method can avoid the situation where the soil is compacted and the scraper is stuck.

[0017] 2. The utility model forms a movable connection between the movable block and the frame through the setting of the movable block. Since the front end of the connecting piston is installed on the left and right sides of the movable block through the connecting block, and the rear end of the connecting piston is rotatably connected to the frame through the limit block, the rotation angle of the movable block is adjusted by adjusting the elongation of the connecting piston. Since the scraper is connected to the movable block through the limit frame, the scraper will be driven to rotate when the movable block rotates in a vertical axis, and the scraper is rotatably connected to the base through the connecting shaft. The base is fixedly installed on the lower end of the adjusting piston, and the upper end of the adjusting piston is rotatably connected to the movable block through the adapter block, so that the adjusting piston can drive the scraper to rotate with the axis center of the opening structure of the upper limit frame as the reference during the extension and retraction process, thereby adjusting the angle of the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the movable wheel of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the frame and the movable block of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the scraper on the bottom surface of the frame and the movable block of the utility model;

[0022] Among them: 1. frame; 11. fixed shaft; 12. movable wheel; 13. connecting frame; 14. fixed plate; 15. plowshare; 2. movable block; 21. connecting block; 22. connecting piston; 23. limiting block; 24. adapter block; 25. adjusting piston; 26. base; 27. connecting shaft; 28. scraper; 29. ​​limiting frame. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a land planer with adjustable planing angle includes: a frame 1, a fixed shaft 11 is inserted and installed at the bottom of the frame 1, a movable wheel 12 is inserted and installed at the outer side of the fixed shaft 11, a connecting frame 13 is fixedly installed at the front end of the frame 1, a fixed plate 14 is fixedly installed at the bottom of the frame 1, and a plow 15 is fixedly installed on the front side of the fixed plate 14.

[0027] The frame 1 is rotatably connected to the fixed shaft 11 , and the movable wheels 12 are inserted and installed at the center of the fixed shaft 11 and at the left and right ends of the fixed shaft 11 , so that the movable wheels 12 and the fixed shaft 11 are fixedly connected.

[0028] The plow blades 15 are equidistantly mounted on the lower end of the front side elevation of the fixing plate 14 , and the lower end of the plow blade 15 is flush with the lower end of the scraper 28 .

[0029] Specifically, the frame 1 can support the fixed shaft 11, the fixed shaft 11 can limit the position of the movable wheel 12, the movable wheel 12 can facilitate the movement of the leveler, the connecting frame 13 can facilitate connection with the tractor, the fixed plate 14 can limit the position of the plow 15, and the plow 15 can loosen the soil in advance.

[0030] A movable block 2 is embedded and installed below the frame 1, a connecting block 21 is movably installed on the left side of the movable block 2, a connecting piston 22 is fixedly installed at the rear end of the connecting block 21, a limiting block 23 is fixedly installed at the rear end of the connecting piston 22, an adapter block 24 is movably installed below the movable block 2, an adjusting piston 25 is fixedly installed at the lower end of the adapter block 24, a base 26 is fixedly installed at the lower end of the adjusting piston 25, a connecting shaft 27 is inserted and installed inside the base 26, a scraper 28 is fixedly installed below the connecting shaft 27, and a limiting frame 29 is movably installed above the scraper 28.

[0031] The movable block 2 is rotatably connected to the vehicle frame 1 , and the connecting block 21 is symmetrically installed on the left and right sides of the movable block 2 with the center of the movable block 2 as a reference, so that the connecting block 21 and the movable block 2 are rotatably connected.

[0032] The rear side of the limiting block 23 is rotatably connected to the frame 1 , and the adapter block 24 is rotatably connected to the movable block 2 .

[0033] The base 26 is rotatably connected to the scraper 28 via the connecting shaft 27. A columnar structure is provided at the upper end of the scraper 28. A limit frame 29 is movably installed on the outer side of the columnar structure at the upper end of the scraper 28. The limit frame 29 and the scraper 28 are rotatably connected.

[0034] The limit frame 29 is installed on the upper end of the scraper 28 symmetrically with the center of the movable block 2 as a reference. The top surface of the limit frame 29 is fixedly connected to the bottom surface of the movable block 2, and the scraper 28 is movably connected to the movable block 2 through the limit frame 29.

[0035] Specifically, the movable block 2 can drive the scraper 28 to rotate, the connecting block 21 can facilitate the connection between the connecting piston 22 and the movable block 2 to form a rotational connection, the connecting piston 22 can drive the movable block 2 to rotate, the limit block 23 can facilitate the connection between the connecting piston 22 and the frame 1 to form a rotational connection, the adapter block 24 can facilitate the adjustment piston 25 and the movable block 2 to form a rotational connection, the adjustment piston 25 can adjust the angle of the scraper 28, the base 26 and the connecting shaft 27 can facilitate the scraper 28 and the adjustment piston 25 to form a rotational connection, the scraper 28 can flatten the soil, and the limit frame 29 can facilitate the scraper 28 and the movable block 2 to form a rotational connection.

[0036] When in use, since the plow blades 15 are equidistantly installed at the lower end of the front side elevation of the fixed plate 14, the plow blades 15 are fixedly connected to the frame 1 through the fixed plate 14, and the lower end of the plow blades 15 is flush with the lower end of the scraper 28. Driven by the traction device, the plow blades 15 first come into contact with the soil. As the traction device moves, the plow blades 15 will loosen the soil in front of the scraper 28, so that the soil is in a loose state before contacting the scraper 28. This method can avoid the situation where the soil is compacted and the scraper 28 is stuck. At the same time, a movable connection is formed between the movable block 2 and the frame 1. Since the front end of the connecting piston 22 is installed on the left and right sides of the movable block 2 through the connecting block 21, and the rear end of the connecting piston 22 is connected through the limit block 2 3 is rotatably connected with the frame 1, and the rotation angle of the movable block 2 is adjusted by adjusting the elongation of the connecting piston 22. Since the scraper 28 is connected to the movable block 2 through the limit frame 29, the scraper 28 will be driven to rotate when the movable block 2 rotates in the vertical axis, and the scraper 28 is rotatably connected with the base 26 through the connecting shaft 27. The base 26 is fixedly installed on the lower end of the adjusting piston 25. At the same time, the upper end of the adjusting piston 25 is rotatably connected with the movable block 2 through the adapter block 24, so that the adjusting piston 25 can drive the scraper 28 to rotate with the axis center of the opening structure of the upper limit frame 29 as the reference during the extension and retraction process, thereby adjusting the angle of the scraper 28.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A planer with adjustable planing angle, characterized in that: include: A frame (1), a fixed shaft (11) is inserted and installed below the frame (1), a movable wheel (12) is inserted and installed outside the fixed shaft (11), a connecting frame (13) is fixedly installed at the front end of the frame (1), a fixed plate (14) is fixedly installed below the frame (1), a plow (15) is fixedly installed on the front side of the fixed plate (14), a movable block (2) is embedded and installed below the frame (1), a connecting block (21) is movably installed on the left side of the movable block (2), and the rear end of the connecting block (21) is fixed A connecting piston (22) is installed, a limiting block (23) is fixedly installed at the rear end of the connecting piston (22), a transfer block (24) is movably installed below the movable block (2), an adjusting piston (25) is fixedly installed at the lower end of the transfer block (24), a base (26) is fixedly installed at the lower end of the adjusting piston (25), a connecting shaft (27) is inserted and installed inside the base (26), a scraper (28) is fixedly installed below the connecting shaft (27), and a limiting frame (29) is movably installed above the scraper (28).

2. A planing plane with adjustable planing angle according to claim 1, characterized in that: The frame (1) is rotatably connected to the fixed shaft (11), the movable wheel (12) is inserted and installed at the center of the fixed shaft (11) and the left and right ends of the fixed shaft (11), and the movable wheel (12) is fixedly connected to the fixed shaft (11).

3. The planing plane with adjustable planing angle according to claim 1, characterized in that: The plowshares (15) are equidistantly mounted on the lower end of the front side elevation of the fixing plate (14), and the lower end of the plowshares (15) is flush with the lower end of the scraper (28).

4. The planing plane with adjustable planing angle according to claim 1, characterized in that: The movable block (2) and the vehicle frame (1) are rotatably connected, the connecting block (21) is symmetrically mounted on the left and right sides of the movable block (2) with the center of the movable block (2) as a reference, and the connecting block (21) and the movable block (2) are rotatably connected.

5. The planing plane with adjustable planing angle according to claim 1, characterized in that: The rear side of the limit block (23) is rotatably connected to the vehicle frame (1), and the adapter block (24) is rotatably connected to the movable block (2).

6. The planing plane with adjustable planing angle according to claim 1, characterized in that: The base (26) is rotatably connected to the scraper (28) via a connecting shaft (27); a columnar structure is provided at the upper end of the scraper (28); the limiting frame (29) is movably mounted on the outer side of the columnar structure at the upper end of the scraper (28); and the limiting frame (29) and the scraper (28) are rotatably connected.

7. The planing plane with adjustable planing angle according to claim 2, characterized in that: The limiting frame (29) is symmetrically mounted on the upper end of the scraper (28) with the center of the movable block (2) as a reference, the top surface of the limiting frame (29) is fixedly connected to the bottom surface of the movable block (2), and the scraper (28) is movably connected to the movable block (2) through the limiting frame (29).

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