A knife shaft roller of a scarifier

Abstract

The utility model discloses a kind of cutter shaft drums of land clearing machine, including cutter shaft assembly, left bearing seat component, right bearing seat component and tool bit, cutter shaft assembly includes cutter shaft pipe, cutter shaft pipe is provided with multiple tool holders, tool holder is along the helical distribution of cutter shaft pipe surface, tool bit is fixed on tool holder by bolt, the left and right ends of the cutter shaft pipe are respectively provided with shaft head, and fixedly connected with left bearing seat component and right bearing seat component respectively by shaft head;The tool bit is overall positive trapezoidal body structure, middle is provided with threaded hole, and the threaded hole on tool holder is corresponding, the bevel of the four around tool bit is sharpening surface, and bottom is four arc chip blades;The tool bit uses high-strength wear-resistant die steel.The utility model tool bit uses high-strength wear-resistant die steel, can cut tree, plastic, metal, rubber and other materials, solid durable, tool bit is not easy to damage, service life is long, and have four chip blades, one blade wears, can continue to use by rotating 90 degrees, improve the utilization of tool bit.

Description

Technical Field

[0001] This utility model relates to the field of agricultural and forestry machinery technology, specifically to a cutter shaft roller for a land clearing machine. Background Technology

[0002] A land clearing machine is a type of mechanical equipment used for cutting and clearing areas such as abandoned wasteland, reforestation, shrublands, and forest roads. It can be mounted on skid steer loaders, excavators, or tractors, and uses the hydraulic output of the power machinery to drive the cutter shaft and rollers to achieve efficient land clearing work.

[0003] Currently, land clearing operations in agriculture and forestry are generally carried out using hammer-claw or swivel-blade mowers, which have low production efficiency, cause significant damage to the blades, have short lifespans, and require frequent blade replacements. They are also difficult to clean up large trees, tree stumps, roots, wires, steel bars, and other debris on the ground. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings and deficiencies of the existing technology by providing a robust and durable cutter shaft roller for use in land clearing machines, which is not easily damaged and has a long service life.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a cutter shaft roller for a landscaping machine, comprising a cutter shaft assembly, a left bearing seat assembly, a right bearing seat assembly, and a cutter head. Its innovation lies in the following: the cutter shaft assembly includes a cutter shaft tube, which is provided with multiple cutter seats arranged spirally along the surface of the cutter shaft tube; the cutter head is fixed to the cutter seats by bolts; shaft heads are respectively provided at the left and right ends of the cutter shaft tube, and are fixedly connected to the left and right bearing seat assemblies respectively through the shaft heads; the cutter head has an overall trapezoidal structure with a threaded hole in the middle corresponding to the threaded hole on the cutter seat; the beveled surfaces around the cutter head are grinding surfaces, and the bottom has four arc-shaped cutting edges; the cutter head is made of high-strength wear-resistant mold steel.

[0006] Furthermore, the left bearing housing assembly includes a left transition plate, a left side plate, a left anti-winding ring, a left inner oil seal, a left bearing housing, a left bearing cover plate, and a left bearing; the lower part of the left side plate has a mounting hole, the left bearing housing is installed inside the mounting hole and fixed by bolts, the left bearing housing contains the left bearing and the left inner oil seal, the left bearing housing is provided outside the left bearing housing, the left transition plate and the left anti-winding ring are respectively sleeved on the left and right sides of the left bearing housing and fixed by bolts, and the left transition plate and the left anti-winding ring are also located on the left and right sides of the left side plate; the shaft head of the cutter shaft tube is embedded in the left bearing.

[0007] Furthermore, the right bearing housing assembly includes a right transition plate, a right side plate, a right anti-winding ring, a right inner oil seal, a right bearing housing, a right bearing, a right outer oil seal, and a pulley; the lower part of the right side plate has a mounting hole, the right bearing housing is installed inside the mounting hole and fixed by bolts, the right bearing housing is installed inside the right bearing housing, the right inner oil seal and the right outer oil seal are respectively installed on the left and right sides of the right bearing housing, the right transition plate and the right anti-winding ring are respectively sleeved on the left and right sides of the right bearing housing and fixed by bolts, and the right transition plate and the right anti-winding ring are also located on the left and right sides of the right side plate; the shaft head of the cutter shaft tube is sequentially embedded in the right bearing and the pulley.

[0008] The beneficial effects of this utility model after adopting the above structure are as follows:

[0009] This utility model's blade head is made of high-strength, wear-resistant mold steel, capable of cutting materials such as wood, plastic, metal, and rubber. It is sturdy and durable, with the blade head not easily damaged and a long service life. The blade head has four cutting edges; after one edge wears down, it can be rotated 90 degrees and continued to be used (it can be rotated 3 times). The blade head is fixed with only one bolt, making rotation and replacement simple and convenient. After all four cutting edges become dull, they can be sharpened and continued to be used, thereby improving the utilization rate of the blade head.

[0010] The cutter shaft assembly of this utility model is equipped with an anti-winding ring to prevent flexible materials such as iron wire, rope, wire and tree branches from getting tangled on the shaft and causing equipment failure.

[0011] The tool shaft assembly of this utility model is equipped with left and right bearing seats, and oil seals are installed on both sides of the internal bearings to prevent the lubricating oil from being contaminated or lost, thereby extending the service life of the bearings.

[0012] This invention allows for product diversification by changing the length of the roller and the number of cutters. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the cutter shaft assembly in this utility model;

[0015] Figure 3 This is a schematic diagram of the cutter head in the utility model.

[0016] Figure 4 This is a front view of the left bearing housing assembly in the utility model.

[0017] Figure 5 This is a side view of the left bearing housing assembly in the utility model.

[0018] Figure 6 This is a front view of the right bearing housing assembly in the utility model.

[0019] Figure 7 This is a side view of the right bearing housing assembly in the utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Cutter shaft assembly, 11. Cutter shaft tube, 12. Cutter holder, 13. Shaft head, 2. Left bearing housing assembly, 21. Left transition plate, 22. Left side plate, 23. Left anti-winding ring, 24. Left inner oil seal, 25. Left bearing housing, 26. Left bearing cover plate, 27. Left bearing, 3. Right bearing housing assembly, 31. Right transition plate, 32. Right side plate, 33. Right anti-winding ring, 34. Right inner oil seal, 35. Right bearing housing, 36. Right bearing, 37. Right outer oil seal, 38. Pulley, 4. Cutter head, 41. Threaded hole, 42. Grinding surface, 43. Cutting edge. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model.

[0024] See Figure 1-3A cutting shaft roller for a landscaping machine includes a cutting shaft assembly 1, a left bearing seat assembly 2, a right bearing seat assembly 3, and a cutting head 4. The cutting shaft assembly 1 includes a cutting shaft tube 11, on which multiple cutting seats 12 are provided. The cutting seats 12 are spirally distributed along the surface of the cutting shaft tube 11. The cutting head 4 is fixed to the cutting seats 12 by bolts. Shaft heads 13 are provided at the left and right ends of the cutting shaft tube, and are fixedly connected to the left bearing seat assembly 2 and the right bearing seat assembly 3 respectively through the shaft heads. The cutting head 4 has a trapezoidal structure with a threaded hole 41 in the middle, corresponding to the threaded hole on the cutting seat. The beveled surface around the cutting head 4 is a grinding surface 42, and the bottom has four arc-shaped cutting edges 43. The cutting head 4 is made of high-strength wear-resistant mold steel. Specifically, the cutter holder 12 is spirally distributed along the surface of the cutter shaft tube 11, and the cutter head is also spirally distributed, which is beneficial for chip cutting. The cutter head 4 is made of high-strength wear-resistant mold steel, which can cut materials such as wood, plastic, metal, and rubber. It is sturdy and durable, and the cutter head is not easily damaged and has a long service life. The steel grades used for the cutter head 4 include: W18Cr4V (W18), W6MoSCr4V2 (M2), W12Mo3Cr4V3N (V3N), W9Mo3Cr4V (W9), and 6W6MoSCr4V (6W6). The cutter head 4 is equipped with four cutting edges 43. After one cutting edge is worn, it can be rotated 90 degrees and continued to be used (it can be rotated 3 times). The cutter head 4 is fixed with only one bolt, making rotation and replacement simple and convenient. After all four cutting edges 43 are dull, they can be sharpened and continued to be used to improve the utilization rate of the cutter head.

[0025] See Figure 4-5 The left bearing housing assembly 2 includes a left transition plate 21, a left side plate 22, a left anti-winding ring 23, a left inner oil seal 24, a left bearing housing 25, a left bearing cover plate 26, and a left bearing 27. A mounting hole is provided at the lower part of the left side plate 22, and the left bearing housing 25 is installed inside the mounting hole and fixed with bolts. The left bearing 27 and the left inner oil seal 24 are installed inside the left bearing housing 25, and the left bearing cover plate 26 is installed outside the left bearing housing 25. The left transition plate 21 and the left anti-winding ring 23 are respectively fitted onto the left and right sides of the left bearing housing 25 and fixed together with bolts. The left transition plate 21 and the left anti-winding ring 23 are also located on the left and right sides of the left side plate 22. The shaft head of the cutter shaft tube 11 is embedded in the left bearing 27. The left anti-winding ring 23 prevents flexible materials such as wire, rope, electrical wire, and branches from getting tangled on the shaft, causing equipment failure. The left inner oil seal 24 prevents lubricating oil from being contaminated or leaking, thereby extending the bearing's service life.

[0026] See Figure 6-7The right bearing housing assembly 3 includes a right transition plate 31, a right side plate 32, a right anti-winding ring 33, a right inner oil seal 34, a right bearing housing 35, a right bearing 36, a right outer oil seal 37, and a pulley 38. A mounting hole is provided at the lower part of the right side plate 32, and the right bearing housing 35 is installed inside the mounting hole and fixed with bolts. The right bearing housing 35 houses the right bearing 36. The right inner oil seal 34 and the right outer oil seal 37 are respectively installed on the left and right sides of the right bearing 36. The right transition plate 31 and the right anti-winding ring 33 are respectively fitted onto the left and right sides of the right bearing housing 35 and fixed together with bolts. The right transition plate 31 and the right anti-winding ring 33 are also located on the left and right sides of the right side plate 32. The shaft head of the cutter shaft tube 11 is sequentially embedded into the right bearing 36 and the pulley 38. The right anti-winding ring 33 can prevent flexible materials such as iron wire, rope, wire and tree branches from getting tangled on the shaft, which could cause equipment failure; the right inner oil seal 34 and the right outer oil seal 37 are used to prevent the lubricating oil from being contaminated or lost, thereby extending the service life of the bearing.

[0027] In this embodiment, the cutter shaft roller is installed on the left and right side plates of the scavenger hood via a transition plate and an anti-winding seat, making installation simple and convenient.

[0028] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A cutter shaft roller for a landscaping machine, comprising a cutter shaft assembly, a left bearing housing assembly, a right bearing housing assembly, and a cutter head, characterized in that: The cutter shaft assembly includes a cutter shaft tube with multiple cutter holders spirally distributed along its surface. The cutter head is bolted to the cutter holders. Shaft heads are located at the left and right ends of the cutter shaft tube, respectively, and are fixedly connected to the left and right bearing housing assemblies. The cutter head has a trapezoidal structure with a threaded hole in the center corresponding to a threaded hole on the cutter holder. The beveled edges of the cutter head are grinding surfaces, and the bottom has four arc-shaped cutting edges. The cutter head is made of high-strength, wear-resistant mold steel.

2. The cutter shaft roller of the land clearing machine according to claim 1, characterized in that: The left bearing housing assembly includes a left transition plate, a left side plate, a left anti-winding ring, a left inner oil seal, a left bearing housing, a left bearing cover plate, and a left bearing. A mounting hole is formed at the lower part of the left side plate, and the left bearing housing is installed inside the mounting hole and fixed with bolts. The left bearing housing contains the left bearing and the left inner oil seal, and the left bearing housing is covered with the left bearing cover plate. The left transition plate and the left anti-winding ring are respectively fitted onto the left and right sides of the left bearing housing and fixed together with bolts. The left transition plate and the left anti-winding ring are also located on the left and right sides of the left side plate. The shaft head of the cutter shaft tube is embedded in the left bearing.

3. The cutter shaft roller of the land clearing machine according to claim 1, characterized in that: The right bearing housing assembly includes a right transition plate, a right side plate, a right anti-winding ring, a right inner oil seal, a right bearing housing, a right bearing, a right outer oil seal, and a pulley. A mounting hole is provided at the lower part of the right side plate, and the right bearing housing is installed inside the mounting hole and fixed with bolts. A right bearing is installed inside the right bearing housing. A right inner oil seal and a right outer oil seal are respectively installed on the left and right sides of the right bearing housing. A right transition plate and a right anti-winding ring are respectively fitted onto the left and right sides of the right bearing housing and fixed together with bolts. The right transition plate and the right anti-winding ring are also located on the left and right sides of the right side plate. The shaft head of the cutter shaft tube is sequentially embedded with the right bearing and the pulley.

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