Fixing structure of pruning machine saw blade

Abstract

The utility model discloses a pruning machine saw blade fixing structure which comprises a mounting plate, a saw blade support is arranged on the mounting plate, two shearing saw blades are arranged on the side, far away from the mounting plate, of the saw blade support, a through groove and an inner cavity are formed in the saw blade support, and the inner cavity is communicated with the through groove. Two double-end studs penetrate through the saw blade support, a rectangular section is arranged in the middle of each double-end stud, each rectangular section abuts against the corresponding inner cavity, one end of each double-end stud penetrates through the saw blade support and then penetrates through the mounting plate, a first nut in threaded connection with the corresponding double-end stud abuts against the mounting plate, and a second nut in threaded connection with the corresponding double-end stud is arranged on the saw blade support. One end of the double-end stud is connected with a rectangular section, the rectangular section of the double-end stud penetrates through the penetrating groove and is limited by the penetrating groove to rotate, the other end of the double-end stud is connected with the two shearing saw blades, through a double-end stud connecting structure of the double-end stud, nuts can be effectively prevented from loosening in the operation process, and the operation stability and safety of the pruning machine are guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of pruning machine saw blades, and particularly to a fixing structure for a pruning machine saw blade. Background Art

[0002] A pruning machine is a gardening tool mainly used for pruning, trimming pest and disease branches to keep the tree body beautiful. Conventional pruning machines fix the cutting saw blade on the main body mounting plate through a single-head bolt mechanism. This structure is prone to loosening of the upper nut during long-term vibration operation. Therefore, the utility model proposes a fixing structure for a pruning machine saw blade with nuts not easily loosening. Summary of the Utility Model

[0003] In order to overcome the defects in the above-mentioned prior art, the utility model provides a fixing structure for a pruning machine saw blade. Through the double-headed bolt connection structure of the double-headed stud, it can effectively prevent the nut from loosening during operation, and ensure the stability and safety of the pruning machine operation.

[0004] Technical Solution

[0005] A fixing structure for a pruning machine saw blade includes a mounting plate. A saw blade bracket is arranged on the mounting plate. Two cutting saw blades are arranged on one side of the saw blade bracket away from the mounting plate. A through groove and a cavity are arranged inside the saw blade bracket. Two double-headed studs penetrate through the saw blade bracket. A rectangular section is arranged in the middle of the double-headed stud, and the rectangular section abuts against the cavity. One end of the double-headed stud penetrates through the saw blade bracket and then passes through the mounting plate. A first nut threadedly connected to the double-headed stud abuts against the mounting plate. The rectangular section of the double-headed stud passes through the through groove and is restricted from rotating by the through groove. The other end of the double-headed stud is connected to the two cutting saw blades.

[0006] Further, a limiting plate, the two cutting saw blades, and another limiting plate are sequentially penetrated through from top to bottom at the other end of the double-headed stud. A matching hole is arranged through the cutting saw blade. A first limiting nut for limiting the two limiting plates and threadedly connected to the double-headed stud is arranged in the matching hole. A second nut threadedly connected to the double-headed stud is arranged on one side of the lower limiting plate away from the first limiting nut.

[0007] Further, the upper limiting plate abuts against the lower side of the rectangular section.

[0008] Further, a limiting post for laterally limiting the saw blade bracket also penetrates through the mounting plate and the saw blade bracket.

[0009] Further, a movable hole is also penetrated through the shearing saw blade, a fixing bolt is placed inside the inner cavity of the saw blade bracket and inside the through groove, the fixing bolt penetrates through the two limiting plates and the movable hole, a fixing nut in abutting connection with the lower limiting plate is threadedly connected to the lower end of the fixing bolt, and a second limiting nut for limiting the distance between the limiting plates and threadedly connected to the fixing bolt is arranged inside the movable hole.

[0010] Further, one end of the saw blade bracket away from the mounting plate is inserted with a tail end portion, a threaded hole is arranged on the tail end portion, and the tail end portion is fixedly arranged on the saw blade bracket through a bolt and the threaded hole to fix the limiting plate.

[0011] Beneficial effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] Through the double-headed bolt connection structure of the double-headed stud, the nut can be effectively prevented from loosening during operation, ensuring the stability and safety of the operation of the pruning machine. Brief description of the drawings

[0014] Figure 1 It is a schematic structural diagram of a fixing structure of a saw blade of a pruning machine according to the utility model;

[0015] Figure 2 It is a schematic structural diagram of the connection between the double-headed stud and the saw blade bracket;

[0016] Figure 3 It is a schematic installation structure diagram of the tail end portion;

[0017] Figure 4 It is a schematic installation structure diagram of the fixing bolt;

[0018] Figure 5 It is a schematic installation structure diagram of the double-headed stud and the saw blade bracket;

[0019] Figure 6 It is a schematic structural diagram of the double-headed stud.

[0020] Reference numerals in the drawings

[0021] Mounting plate 1, saw blade bracket 2, inner cavity 21, through groove 22, limiting post 3, shearing saw blade 4, first nut 5, second nut 6, limiting plate 7, double-headed stud 8, rectangular section 81, first limiting nut 9, tail end portion 10, threaded hole 11, fixing bolt 12, second limiting nut 13, fixing nut 14, mating hole 15, movable hole 16. Detailed implementation manners

[0022] To better illustrate and explain the content of the present utility model, the following will be described in conjunction with the accompanying drawings and implementation examples:

[0023] There is Figures 1-6 As shown, the present utility model discloses a fixing structure for a pruning machine saw blade, including a mounting plate 1. A saw blade bracket 2 is provided on the mounting plate 1. Two shearing saw blades 4 are provided on one side of the saw blade bracket 2 away from the mounting plate 1. A through groove 22 and a cavity 21 are provided inside the saw blade bracket 2. Two double-headed studs 8 penetrate through the saw blade bracket 2. A rectangular section 81 is provided in the middle of the double-headed stud 8. The rectangular section 81 abuts against the cavity 21. One end of the double-headed stud 8 penetrates through the saw blade bracket 2 and then passes through the mounting plate 1. A first nut 5 threadedly connected to the double-headed stud 8 abuts against the mounting plate 1. The rectangular section 81 of the double-headed stud 8 passes through the through groove 22 and is restricted from rotating by the through groove 22. The other end of the double-headed stud 8 is connected to the two shearing saw blades 4.

[0024] Further, the other end of the double-headed stud 8 sequentially penetrates through a limiting plate 7, the two shearing saw blades 4, and another limiting plate 7 from top to bottom. A mating hole 15 is provided through the shearing saw blade 4. A first limiting nut 9 for limiting the two limiting plates 7 and threadedly connected to the double-headed stud 8 is provided in the mating hole 15. A second nut 6 threadedly connected to the double-headed stud 8 is provided on one side of the lower limiting plate 7 away from the first limiting nut 9.

[0025] Further, the upper limiting plate 7 abuts against the lower side of the rectangular section 81.

[0026] Further, a limiting post 3 for laterally limiting the saw blade bracket 2 also penetrates through the mounting plate 1 and the saw blade bracket 2.

[0027] Further, a movable hole 16 is also provided through the shearing saw blade 4. A fixing bolt 12 is placed inside the cavity 21 and the through groove 22 of the saw blade bracket 2. The fixing bolt 12 penetrates through the two limiting plates 7 and the movable hole 16. A fixing nut 14 abutting against the lower limiting plate 7 is threadedly connected to the lower end of the fixing bolt 12. A second limiting nut 13 for limiting the distance between the limiting plates 7 and threadedly connected to the fixing bolt 12 is provided inside the movable hole 16.

[0028] Further, a tail end portion 10 is inserted into one end of the saw blade bracket 2 away from the mounting plate 1. A threaded hole 11 is provided on the tail end portion 10. The tail end portion 10 is fixed to the saw blade bracket 2 through a bolt and the threaded hole 11 and fixes the limiting plate 7.

[0029] Specifically, through the double-headed bolt connection structure of the double-headed stud 8, it can effectively prevent the nut from loosening during operation.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims

1. A fixing structure for a saw blade of a pruning machine, characterized in that: The invention comprises a mounting plate (1), a saw blade bracket (2) is arranged on the mounting plate (1), two shearing saw blades (4) are arranged on a side of the saw blade bracket (2) away from the mounting plate (1), a through slot (22) and an inner cavity (21) are arranged inside the saw blade bracket (2), two studs (8) are passed through the saw blade bracket (2), a rectangular section (81) is arranged in the middle of the studs (8), the rectangular section (81) abuts against the inner cavity (21), one end of the studs (8) passes through the saw blade bracket (2) and then passes through the mounting plate (1), a first nut (5) threadedly connected to the studs (8) is abutted on the mounting plate (1), the rectangular section (81) of the studs (8) passes through the through slot (22) and is restricted from rotating by the through slot (22), and the other end of the studs (8) is connected to the two shearing saw blades (4).

2. The fixing structure of a pruning machine saw blade according to claim 1, characterized in that: The other end of the stud (8) is penetrated from top to bottom by a limiting plate (7), two shear saw blades (4), and another limiting plate (7), wherein the shear saw blade (4) is penetrated by a matching hole (15), wherein a first limiting nut (9) for limiting the two limiting plates (7) and being threadedly connected to the stud (8) is arranged in the matching hole (15), and a second nut (6) threadedly connected to the stud (8) is arranged on the side of the lower limiting plate (7) away from the first limiting nut (9).

3. The fixing structure of a saw blade for a pruning machine according to claim 2, characterized in that: The upper limiting plate (7) abuts against the lower side of the rectangular section (81).

4. The fixing structure of a saw blade for a pruning machine according to claim 3, characterized in that: A limiting column (3) for laterally limiting the saw blade bracket (2) is also passed through the mounting plate (1) and the saw blade bracket (2).

5. The fixing structure of a saw blade for a pruning machine according to claim 4, characterized in that: The shear saw blade (4) is also provided with a movable hole (16). A fixing bolt (12) is placed inside the inner cavity (21) of the saw blade bracket (2) and the through groove (22). The fixing bolt (12) passes through the two limit plates (7) and the movable hole (16). The lower end of the fixing bolt (12) is threadedly connected to a fixing nut (14) that abuts against the limit plate (7) on the lower side. The movable hole (16) is provided with a second limit nut (13) threadedly connected to the fixing bolt (12) for limiting the spacing of the limit plate (7).

6. The fixing structure of a saw blade for a pruning machine according to claim 5, characterized in that: A tail end portion (10) is inserted into the end of the saw blade bracket (2) away from the mounting plate (1), and a threaded hole (11) is provided on the tail end portion (10). The tail end portion (10) is fixed to the saw blade bracket (2) by means of bolts and the threaded hole (11) and fixes the limiting plate (7).

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