A cutting device with grass-pushing function

Abstract

The application discloses a cutting knife device with grass pushing function, and belongs to the technical field of mechanical design. The device comprises a rotating mechanism, a cutting knife mechanism and a grass pushing mechanism. One end of the rotating mechanism is installed on a working arm of a working vehicle body, and the other end of the rotating mechanism is provided with the cutting knife mechanism. The cutting knife mechanism comprises a cutting knife arm, a mounting seat, a cutting knife and a driving oil cylinder. The grass pushing mechanism is installed on the cutting knife arm and comprises a rotatable grass pushing wheel. Compared with the prior art, the cutting knife device can move the cut and inclined grass away from the cutting knife by using the grass pushing mechanism, so that no grass is accumulated on the cutting knife. On one hand, the overall bearing of the device is reduced, and on the other hand, the cutting knife can smoothly contact the bottom of the front grass, and is particularly suitable for cutting long rod and long stem plants in water environment. In addition, the rotating mechanism can adjust the angle of the cutting knife to facilitate the adaptation to the slope terrain.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of mechanical design, and particularly relates to a cutting knife device with grass pushing function. BACKGROUND

[0002] With the economic development of China, the management requirement of water environment is higher and higher. Especially, the management of coastal beach, the reclamation project and the reformation of saline-alkali soil, the excavation and dredging in dredging.

[0003] The traditional grass cutter, weed cutting and collecting machine and weed cutting device do not have the angle adjusting ability and the grass pushing ability. When cutting the long rod and long stem plants, the cutting efficiency is very low. For example, the Spartina alterniflora on the beach is in a high and dense state, and the rod diameter is not easy to be bent. When the grass pushing structure is lacking, the cut weeds are easy to accumulate on the cutting knife. On the one hand, the overall weight of the device is increased, and there is a safety hazard. On the other hand, the cutting knife cannot smoothly contact the bottom of the weeds in front, and needs to be cleaned manually.

[0004] How to design a new cutting knife device with grass pushing function to adapt to the weed cutting work in water environment or sloping terrain has become a technical problem in the field. SUMMARY

[0005] In view of the above technical problems, the present application provides a cutting knife device with grass pushing function. The cutting knife device can use the grass pushing mechanism to move the inclined and fallen grass from the cutting knife, so as to ensure that there is no grass accumulation on the cutting knife. On the one hand, the overall weight of the device can be reduced. On the other hand, the cutting knife can smoothly contact the bottom of the weeds in front.

[0006] The present application solves the above problems by the following technical means:

[0007] A cutting knife device with grass pushing function, characterized in that it comprises a rotating mechanism, a cutting knife mechanism and a grass pushing mechanism, wherein:

[0008] One end of the rotating mechanism is installed on the working arm of the working vehicle body, and the other end of the rotating mechanism is provided with the cutting knife mechanism;

[0009] The cutting knife mechanism comprises a cutting knife arm, a mounting seat, a cutting knife and a driving oil cylinder. One end of the cutting knife arm is connected to the rotating mechanism, and the other end of the cutting knife arm is connected to the mounting seat. The cutting knife is installed on the front side of the mounting seat, and the driving oil cylinder for driving the cutting knife is installed on the rear side of the mounting seat;

[0010] The grass pushing mechanism is installed on the cutting knife arm, and the grass pushing mechanism comprises a grass pushing wheel which can rotate and work.

[0011] Preferably, the grass-pushing mechanism further comprises a wheel base, a grass-pushing motor, a grass-pushing small arm, a grass-pushing large arm, a rotating base, an adjusting oil cylinder and a grass-pushing rod, wherein:

[0012] The wheel base is used for mounting the rotating shaft of the grass-pushing wheel, and the grass-pushing motor is mounted at the bottom of the wheel base and used for driving the grass-pushing wheel to rotate.

[0013] The wheel base is fixed at the top end of the grass-pushing small arm, the bottom of the grass-pushing small arm is fixed at the upper part of the grass-pushing large arm, the lower part of the grass-pushing large arm is swingably mounted on the cutter arm through the rotating base, the adjusting oil cylinder is mounted between the grass-pushing large arm and the cutter arm, and a plurality of the grass-pushing rods are equidistantly mounted on the grass-pushing wheel.

[0014] Preferably, the included angle between the tangent line at the connection between the grass-pushing rod and the grass-pushing wheel and the tangent line at the connection between the grass-pushing rod and the grass-pushing wheel is 15° to 45°.

[0015] Preferably, the rotating mechanism comprises a rotating base, a fixed base, an outer rotating disc, an inner rotating disc, a rotating oil cylinder, a mounting bolt, a positioning bolt and a pushing rod, wherein:

[0016] The rotating base is used for connecting the cutter arm, and the middle part of the rotating base is provided with a through hole;

[0017] The fixed base is used for connecting the working arm of the working vehicle body, and the middle part of the fixed base is provided with a through hole;

[0018] The outer rotating disc and the inner rotating disc are arranged on the two sides of the fixed base respectively, the rotating base and the outer rotating disc and the inner rotating disc can be fixedly connected through the mounting bolt, and a gap for clamping the fixed base is reserved between the outer rotating disc and the inner rotating disc;

[0019] The top side of the fixed base is provided with the positioning bolt, the cylinder bottom hole of the rotating oil cylinder is swingably mounted in the positioning bolt, and the telescopic rod round hole of the rotating oil cylinder is fixedly connected with the inner rotating disc through the pushing rod;

[0020] The telescopic rod of the rotating oil cylinder can drive the rotating base and the outer rotating disc and the inner rotating disc to rotate coaxially relative to the fixed base.

[0021] Preferably, one side of the fixed base is provided with a hook for connecting the working arm of the working vehicle body.

[0022] Preferably, the bottom of the rotating base is provided with a reversible cover plate, the two sides of the cover plate are provided with driving rods, and the end of the cover plate is provided with a lock buckle.

[0023] The cutter device with the grass-pushing function has the following beneficial effects:

[0024] (1) the cutting knife device can use the grass poking mechanism to move the inclined fallen grass which has been cut from the cutting knife, ensure that there is no grass accumulation on the cutting knife, on the one hand, it can reduce the overall weight of the device, on the other hand, it can ensure that the cutting knife can smoothly contact the bottom of the front grass, especially suitable for cutting long rod, long stem plants in water environment. The grass poking wheel is controlled by the oil cylinder, which can be adjusted up and down according to the situation, and the rotating speed can be adjusted.

[0025] (2) the rotating mechanism can drive the fixed rotating seat, the outer rotating disc and the rotating inner disc to rotate coaxially relative to the fixed seat by controlling the extension rod of the rotating oil cylinder, which can efficiently adjust the angle of the cutting knife to facilitate the adaptation to the slope terrain. In addition, the rotating mechanism can also tilt the fallen grass without the grass poking wheel, and the grass can be tilted on one side.

[0026] (3) in order to reduce the weight of the cutting knife assembly and prevent grass accumulation, the device adopts single-arm support and middle driver, which can reduce the accumulation of the frame as much as possible. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described in the following only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor according to these drawings.

[0028] Figure 1 is the overall structure schematic diagram of the present application;

[0029] Figure 2 is the side view of the grass poking mechanism of the present application;

[0030] Figure 3 is the perspective view of the grass poking mechanism of the present application;

[0031] Figure 4 is the assembly schematic diagram of the rotating mechanism of the present application;

[0032] Figure 5 is the front side schematic diagram of the rotating mechanism of the present application;

[0033] Figure 6 is the rear side schematic diagram of the rotating mechanism of the present application;

[0034] Figure 7 is the application schematic diagram of the present application.

[0035] Wherein, 1-rotation mechanism, 101-rotation seat, 102-fixed seat, 103-outer rotary disc, 104-rotary inner disc, 105-rotating oil cylinder, 106-mounting bolt, 107-positioning bolt, 108-pole, 109-hook, 110-cover plate, 111-driving rod, 2-cutter mechanism, 201-cutter arm, 202-mounting seat, 203-cutter, 204-driving oil cylinder, 3-grass pushing mechanism, 301-grass pushing wheel, 302-wheel seat, 303-grass pushing motor, 304-grass pushing small arm, 305-grass pushing large arm, 306-rotation seat, 307-adjusting oil cylinder, 308-grass pushing rod, 4-operation vehicle body. DETAILED DESCRIPTION

[0036] In the description of the present application, it needs to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0037] The present application will be described in detail below with reference to the accompanying drawings.

[0038] As Figures 1 to 7 shown, the cutter device with grass pushing function includes a rotation mechanism 1, a cutter mechanism 2 and a grass pushing mechanism 3. In the figure, one end of the rotation mechanism 1 is mounted on the working arm of the operation vehicle body 4, and the other end of the rotation mechanism 1 is mounted with the cutter mechanism 2. The operation vehicle body 4 can be an amphibious vehicle or a tracked vehicle, and the working arm of the operation vehicle body 4 plays a lifting role.

[0039] In the figure, the cutter mechanism 2 includes a cutter arm 201, a mounting seat 202, a cutter 203 and a driving oil cylinder 204. One end of the cutter arm 201 is connected to the rotation mechanism 1, and the other end of the cutter arm 201 is connected to the mounting seat 202. The front side of the mounting seat 202 is mounted with the cutter 203, and the rear side of the mounting seat 202 is mounted with the driving oil cylinder 204 for driving the cutter 203 to work. The cutter 203 adopts an upper and lower blade structure, and cutting and shearing are realized by reciprocating swing of one of the blades.

[0040] It should be noted that the device is used to reduce the weight of the cutter assembly, prevent grass stacking, and adopt single-arm support and middle driver to reduce the stacking of the frame as much as possible.

[0041] In the figure, the grass pushing mechanism 3 is installed on the cutter arm 201, and the grass pushing mechanism 3 includes a rotatable working grass pushing wheel 301, a wheel seat 302, a grass pushing motor 303, a grass pushing small arm 304, a grass pushing large arm 305, a rotating seat 306, an adjusting oil cylinder 307, and a grass pushing rod 308. In the figure, the wheel seat 302 is used to install the rotating shaft of the grass pushing wheel 301, and the grass pushing motor 303 is installed at the bottom of the wheel seat 302 and used to drive the grass pushing wheel 301 to rotate. The wheel seat 302 is fixed at the top end of the grass pushing small arm 304, the bottom of the grass pushing small arm 304 is fixed at the upper part of the grass pushing large arm 305, the lower part of the grass pushing large arm 305 is swingably installed on the cutter arm 201 through the rotating seat 306, the adjusting oil cylinder 307 is installed between the grass pushing large arm 305 and the cutter arm 201, and a plurality of grass pushing rods 308 are equidistantly installed on the grass pushing wheel 301.

[0042] Specifically, the included angle between the tangent line at the connection between the grass pushing rod 308 and the grass pushing wheel 301 is 15° to 45°.

[0043] In the embodiment, the device can use the grass pushing mechanism to move the inclined and fallen grass that has been cut away from the cutter, ensure that there is no grass accumulation on the cutter, reduce the overall bearing of the device on one hand, and ensure that the cutter can smoothly contact the bottom of the front grass on the other hand, which is particularly suitable for cutting long rod and long stem plants in water environment. The grass pushing wheel is controlled by the oil cylinder and can pitch up and down according to the situation, and the rotating speed is adjustable.

[0044] In the figure, the rotating mechanism 1 includes a rotating seat 101, a fixed seat 102, an outer rotating disc 103, an inner rotating disc 104, a rotating oil cylinder 105, an installation bolt 106, a positioning bolt 107, and a pushing rod 108. Specifically, the rotating seat 101 is used to connect the cutter arm 201, and the middle part of the rotating seat 101 is provided with a through hole; the fixed seat 102 is used to connect the working arm of the working vehicle body 4, and the middle part of the fixed seat 102 is provided with a through hole, which can reduce the weight; the outer rotating disc 103 and the inner rotating disc 104 are arranged on the two sides of the fixed seat 102 respectively, the rotating seat 101, the outer rotating disc 103, and the inner rotating disc 104 can be fixed and connected through the installation bolt 106, a gap for clamping the fixed seat 102 is reserved between the outer rotating disc 103 and the inner rotating disc 104, and the diameter of the through hole of the fixed seat 102 is smaller than the diameter of the outer rotating disc 103 and the inner rotating disc 104.

[0045] The top side of the fixed seat 102 is provided with a positioning bolt 107, the cylinder body bottom hole of the rotary oil cylinder 105 is swingably installed in the positioning bolt 107, the telescopic rod round hole of the rotary oil cylinder 105 is fixedly connected with the rotary inner disc 104 through a lever 108, and specifically, the fixed seat 102 is provided with a plurality of connecting holes around the through hole, and the outer rotary disc 103 and the rotary inner disc 104 are symmetrically provided with a plurality of connecting holes.

[0046] Specifically, one side of the fixed seat 102 is provided with a hook 109 connected with the working arm of the working vehicle body 4, the bottom of the rotary seat 101 is provided with a reversible cover plate 110, the two sides of the cover plate 110 are provided with driving rods 111, and the end of the cover plate 110 is provided with a lock buckle.

[0047] In actual work, the telescopic rod of the rotary oil cylinder 105 can drive the rotary seat 101, the outer rotary disc 103 and the rotary inner disc 104 to rotate coaxially relative to the fixed seat 102. The rotary mechanism can drive the rotary seat, the outer rotary disc and the rotary inner disc to rotate coaxially relative to the fixed seat by controlling the telescopic rod of the rotary oil cylinder, which can efficiently adjust the angle of the cutter to facilitate the adaptation to the slope terrain. In addition, the rotary mechanism can also tilt and dump grass without the grass wheel, and the grass is dumped on one side.

[0048] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A weed-cutting device with a weed-removing function, characterized in that, The utility model relates to a rotary mechanism (1), a cutting knife mechanism (2) and a grass poking mechanism (3), wherein: One end of the rotary mechanism (1) is installed on a working arm of a working vehicle body (4), and the other end of the rotary mechanism (1) is provided with the cutting knife mechanism (2); The cutting knife mechanism (2) comprises a cutting knife arm (201), a mounting seat (202), a cutting knife (203) and a driving oil cylinder (204), one end of the cutting knife arm (201) is connected with the rotary mechanism (1), the other end of the cutting knife arm (201) is connected with the mounting seat (202), the front side of the mounting seat (202) is provided with the cutting knife (203), and the rear side of the mounting seat (202) is provided with the driving oil cylinder (204) for driving the cutting knife (203) to work; The grass poking mechanism (3) is installed on the cutting knife arm (201), and the grass poking mechanism (3) comprises a rotatable grass poking wheel (301); The grass poking mechanism (3) further comprises a wheel seat (302), a grass poking motor (303), a grass poking small arm (304), a grass poking large arm (305), a rotating seat (306), an adjusting oil cylinder (307) and a grass poking rod (308), wherein: The wheel seat (302) is used for installing the rotating shaft of the grass poking wheel (301), and the grass poking motor (303) is installed at the bottom of the wheel seat (302) and is used for driving the grass poking wheel (301) to rotate; The wheel seat (302) is fixed at the top end of the grass poking small arm (304), the bottom of the grass poking small arm (304) is fixed at the upper part of the grass poking large arm (305), the lower part of the grass poking large arm (305) is swingably installed on the cutting knife arm (201) through the rotating seat (306), the adjusting oil cylinder (307) is installed between the grass poking large arm (305) and the cutting knife arm (201), and a plurality of grass poking rods (308) are equidistantly installed on the grass poking wheel (301); The included angle between the tangent line at the connection position of the grass poking rod (308) and the grass poking wheel (301) is 15 to 45 degrees; The rotary mechanism (1) comprises a rotating seat (101), a fixing seat (102), an outer rotating disc (103), an inner rotating disc (104), a rotating oil cylinder (105), mounting bolts (106), positioning bolts (107) and a poking rod (108), wherein: The rotating seat (101) is used for connecting the cutting knife arm (201), and the middle part of the rotating seat (101) is provided with a through hole; The fixing seat (102) is used for connecting the working arm of the working vehicle body (4), and the middle part of the fixing seat (102) is provided with a through hole; The outer rotating disc (103) and the inner rotating disc (104) are arranged at the two sides of the fixing seat (102) respectively, the rotating seat (101), the outer rotating disc (103) and the inner rotating disc (104) can be fixedly connected through the mounting bolts (106), and a gap for clamping the fixing seat (102) is reserved between the outer rotating disc (103) and the inner rotating disc (104). The top side of the fixed seat (102) is provided with a positioning bolt (107), the cylinder body bottom hole of the rotary oil cylinder (105) is swingably installed in the positioning bolt (107), and the telescopic rod round hole of the rotary oil cylinder (105) is fixedly connected with the rotary inner disc (104) through a push rod (108); The telescopic rod of the rotary oil cylinder (105) can drive the fixed connection of the rotary seat (101), the outer rotary disc (103) and the rotary inner disc (104) to rotate coaxially relative to the fixed seat (102).

2. The cutting device with grass-pushing function according to claim 1, characterized in that, One side of the fixed seat (102) is provided with a hook (109) for connecting the working arm of the operation vehicle body (4).

3. The cutting device with grass-pushing function according to claim 1, characterized in that, The bottom of the rotary seat (101) is provided with a reversible cover plate (110), the two sides of the cover plate (110) are provided with driving rods (111), and the tail end of the cover plate (110) is provided with a lock catch.

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