CN219919719U - Long arm mower - Google Patents

Abstract

The utility model discloses a long arm mower, which comprises: the small arm is fixedly connected with a rotary oil cylinder on the side surface of the small arm, and the output end of the rotary oil cylinder is movably connected with a rotating arm; the large arm is fixedly connected with a large arm oil cylinder on the side surface of the large arm, a connecting plate is fixedly connected with one end, far away from the output end, of the large arm oil cylinder, and a small arm oil cylinder is fixedly connected with the side surface of the large arm; the cutter rest, cutter rest side surface rotates and is connected with the blade, cutter rest lower surface rotates and is connected with the wheel that rolls, cutter rest lower surface fixedly connected with gear accelerating box. Through above-mentioned device, can realize mowing device's upset, can stride across the obstacle and prune, satisfy the demand of different mowing environment, improve work efficiency, prevent that the blade card from dying, can work for a long time.

Description

Long arm mower

Technical Field

The utility model relates to the technical field of mowers, in particular to a long-arm mower.

Background

At present, it is important to develop agricultural mechanization and improve agricultural production efficiency, and the mower is an important tool in agricultural production and has the most direct influence on the yield of crops. The mower is mainly applied to trimming of garden decorations, green trimming of grasslands, trimming of city streets, green scenic spots, garden trimming, field mowing, trimming of vegetation of agriculture, forestry, animal farm and the like.

When mowing operation is performed at present, most of mowing machines are manually controlled to operate, manual lifting is required when mowing is performed, working efficiency is low, operation is inconvenient for some narrow places, the blades are of chain type, long-time work is easy to be blocked by grass roots, and efficiency is affected. The Chinese patent discloses a 'long-arm mower structure', the application number of which is 202120761223.5, and although reciprocating mowing or weeding is carried out on places incapable of walking through a long-arm device, the blades matched with the device are chain type, so that blade clamping is easily caused under a long-time working environment, and the working efficiency is influenced.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a long-arm mower, which can realize overturning of a mowing device, can cut across obstacles, meets the requirements of different mowing environments, improves the working efficiency, is not easy to clamp a blade, and can work for a long time.

The utility model also provides a long-arm mower, which comprises: the small arm is fixedly connected with a rotary oil cylinder on the side surface of the small arm, and the output end of the rotary oil cylinder is movably connected with a rotating arm; the large arm is fixedly connected with a large arm oil cylinder on the side surface of the large arm, a connecting plate is fixedly connected with one end, far away from the output end, of the large arm oil cylinder, and a small arm oil cylinder is fixedly connected with the side surface of the large arm; the cutter rest, cutter rest side surface rotates and is connected with the blade, cutter rest lower surface rotates and is connected with the wheel that rolls, cutter rest lower surface fixedly connected with gear accelerating box. Through above-mentioned device, can realize mowing device's upset, can stride across the obstacle and prune, satisfy the demand of different mowing environment, improve work efficiency, prevent that the blade card from dying, can work for a long time.

According to the long-arm mower disclosed by the utility model, the lower surface of the gear speed increasing box is fixedly connected with the hydraulic motor, the hydraulic motor is positioned at the rear of the fixing frame, and the output end of the hydraulic motor is connected with the blade. The mowing device is powered, and the work is kept continuously.

According to the long-arm mower disclosed by the utility model, the big arm and the small arm are connected through the connecting rotary disc, and the connecting rotary disc is connected with the output end of the small arm oil cylinder. Ensuring the normal mowing operation.

According to the long-arm mower disclosed by the utility model, the large arm is rotationally connected with the connecting plate, and the lower surface of the connecting plate is fixedly connected with the tractor hanging frame. The working range and the angle are improved.

According to the long-arm mower disclosed by the utility model, the lower surface of the gear speed increasing box is fixedly connected with the fixing frame, and the fixing frame is connected with the forearm. And the mowing efficiency is improved.

According to the long-arm mower disclosed by the utility model, the oil tank is fixedly connected with the inner surface of the tractor hanging frame. Providing energy for the operation of the weeding device and maintaining the normal operation.

Advantageous effects

1. Compared with the prior art, the long-arm mower achieves the effect of obstacle-crossing mowing through the big arm, the small arm, the big arm oil cylinder, the small arm oil cylinder, the rotating arm, the rotating oil cylinder and the blade, achieves the overturning of the mowing device, meets the requirements of different mowing environments, and saves manpower.

Compared with the prior art, the long-arm mower achieves the long-time mowing effect through the blade, the knife rest and the hydraulic motor, and achieves the purposes of preventing the blade from being blocked and improving the working efficiency.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an overall block diagram of a long-arm mower of the present utility model;

FIG. 2 is a side view block diagram of the long arm mower of the present utility model;

FIG. 3 is an overall block diagram of a mowing apparatus of the long arm mower of the present utility model;

fig. 4 is an overall block diagram of the blade carrier of the long arm mower of the present utility model.

Legend description:

1. a small arm cylinder; 2. a large arm; 3. a forearm; 4. a tool holder; 5. a large arm oil cylinder; 6. a connecting plate; 7. a hydraulic motor; 8. a rolling wheel; 9. an oil tank; 10. a blade; 11. the connecting turntable; 12. a rotary oil cylinder; 13. tractor hanging rack; 14. a gear speed increasing box; 15. a fixing frame; 16. and a rotating arm.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, a long arm mower according to an embodiment of the present utility model includes: the small arm 3 can realize the function of improving the operation range and angle through the movement of the small arm 3, the side surface of the small arm 3 is fixedly connected with the rotary oil cylinder 12 to push the cutter rest 4 to overturn, thereby realizing the mowing work of the blade 10 at multiple angles, and the output end of the rotary oil cylinder 12 is movably connected with the rotary arm 16 to play the roles of limiting and overturning so as to meet different working environments.

The big arm 2, big arm 2 moves and can drive the connection carousel 11 and move, big arm 2 side surface fixedly connected with big arm cylinder 5 realizes the rotation of big arm 2, enlarge working range, the one end fixedly connected with connecting plate 6 that big arm cylinder 5 kept away from the output, connect big arm 2 and big arm cylinder 5, when working, can make big arm cylinder 5 promote big arm 2 and rotate, the side surface fixedly connected with forearm cylinder 1 of big arm 2, promote connection carousel 11 and rotate, thereby make forearm 3 move, big arm 2 and forearm 3 are connected through connection carousel 11, connection carousel 11 is connected with the output of forearm cylinder 1, big arm 2 is connected with connecting plate 6 rotation, connecting plate 6 lower surface fixedly connected with tractor link 13, be connected with the tractor, realize removing, improve the working range, tractor link 13 internal surface fixedly connected with oil tank 9, provide the energy source.

The cutter rest 4 holds the blade 10, cutter rest 4 side surface rotates and is connected with blade 10, mowing operation is carried out, the blade is provided with the bilayer, effectively prevent the blade by the emergence of card jack phenomenon, cutter rest 4 lower surface rotates and is connected with the roll wheel 8, when carrying out vertical mowing, contact with ground, reduce the friction with ground, raise the efficiency, cutter rest 4 lower surface fixedly connected with gear accelerating box 14, the speed of control blade 10 is convenient for operate, gear accelerating box 14 lower surface fixedly connected with hydraulic motor 7, provide power for the rotation of blade, hydraulic motor 7 is located the rear of mount 15, hydraulic motor 7's output is connected with blade 10, gear accelerating box 14 lower surface fixedly connected with mount 15, connect big arm 2, maintain normal work, mount 15 is connected with forearm 3.

Working principle: when the utility model is used, firstly, the tractor hanging frame 13 is arranged on a tractor, the tractor provides power, the power is transmitted to the big arm oil cylinder 5, the big arm oil cylinder 5 drives the big arm 2 to rotate through expansion and contraction, an angle suitable for working is selected, the small arm oil cylinder 1 on the big arm 2 realizes the rotation of the connecting turntable 11 through expansion and contraction, the connecting turntable 11 drives the small arm 3 to move, the working angle is selected, then the rotary oil cylinder 12 pushes the rotating arm 16, the knife rest 4 is overturned to the angle required for working, the blade 10 on the knife rest 4 is mowed under the premise of providing power for the hydraulic motor 7, when the horizontal operation is carried out, the knife rest 4 is rotated to be parallel to a grass surface, the mowing is carried out, when the vertical operation is required, the knife rest 4 is rotated to be perpendicular to the grass surface, the rolling wheel 8 is contacted with the ground or the flower bed edge, the efficiency is improved through friction reduction, and finally, after the work is completed, the big arm 2, the small arm 3 and the knife rest 4 are contracted to a state convenient for transportation or are separated from the tractor.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. A long-arm mower, comprising: the device comprises a small arm (3), wherein a rotary oil cylinder (12) is fixedly connected to the side surface of the small arm (3), and a rotating arm (16) is movably connected to the output end of the rotary oil cylinder (12);

the large arm (2), the side surface of the large arm (2) is fixedly connected with a large arm oil cylinder (5), one end, far away from the output end, of the large arm oil cylinder (5) is fixedly connected with a connecting plate (6), and the side surface of the large arm (2) is fixedly connected with a small arm oil cylinder (1);

the rotary cutting tool comprises a tool rest (4), wherein a blade (10) is rotationally connected to the side surface of the tool rest (4), a rolling wheel (8) is rotationally connected to the lower surface of the tool rest (4), and a gear speed increasing box (14) is fixedly connected to the lower surface of the tool rest (4).

2. The long-arm mower according to claim 1, wherein the lower surface of the gear speed increasing box (14) is fixedly connected with a hydraulic motor (7), the hydraulic motor (7) is positioned behind a fixing frame (15), and the output end of the hydraulic motor (7) is connected with a blade (10).

3. A long arm mower according to claim 1, characterized in that the big arm (2) and the small arm (3) are connected by a connection turntable (11), the connection turntable (11) being connected with the output end of the small arm cylinder (1).

4. A long arm mower according to claim 1, wherein the big arm (2) is rotatably connected with the connecting plate (6), and a tractor hanging frame (13) is fixedly connected to the lower surface of the connecting plate (6).

5. The long-arm mower as claimed in claim 1, wherein a fixing frame (15) is fixedly connected to the lower surface of the gear speed increasing box (14), and the fixing frame (15) is connected with the forearm (3).

6. The long arm mower as claimed in claim 4, wherein the inner surface of the tractor hitch frame (13) is fixedly connected with an oil tank (9).