CN212138447U

CN212138447U - Protective structure for agricultural mower

Info

Publication number: CN212138447U
Application number: CN202020803025.6U
Authority: CN
Inventors: 刘洪伟; 吴月华; 顾月进
Original assignee: Jiangsu Zonghua Agricultural Machinery Co ltd
Current assignee: Jiangsu Zonghua Agricultural Machinery Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-15
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to the technical field of agricultural equipment, especially, relate to a protective structure for agricultural lawn mower, including the cutting board, lag and locking device, the top fixedly connected with connecting rod of cutting board, and the bottom of cutting board is equipped with a plurality of mowers, the lag cover is established in the bottom of cutting board, and the upper end of lag both sides all is equipped with the fixed box, be equipped with the installation cavity in the fixed box, locking device includes the pin, clamping ring and spring, and the through-hole sliding fit who sets up on pin and the installation cavity both sides wall face, clamping ring fixed connection is on the pin, the spring housing is established on the pin, and the both ends of spring respectively with the interior wall connection of clamping ring and installation cavity, the both sides of cutting board all are equipped with the cotter groove, and cotter groove and pin phase-match. The utility model discloses an adjust locking device and can conveniently load and unload the lag, the lag not only can protect the sword of mowing effectively, also can prevent that the people from touchhing the sword of mowing when careless and taking place danger.

Description

Protective structure for agricultural mower

Technical Field

The utility model relates to an agricultural apparatus technical field especially relates to an agricultural protective structure for lawn mower.

Background

The agricultural mower is also called as brush cutter, and is used for landscaping and yard maintenance. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.

When the agricultural mower is idle, the blade is exposed to the outside and is easily corroded, so that later-stage mowing work is influenced, the blade is exposed to the outside and is also easily cut others, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protective structure for an agricultural mower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a protective structure for agricultural lawn mower, includes cutting board, lag and locking device, the top fixedly connected with connecting rod of cutting board, and the bottom of cutting board is equipped with a plurality of mows, the lag cover is established in the bottom of cutting board, and the upper end of lag both sides all is equipped with the fixed box, be equipped with the installation cavity in the fixed box, locking device includes pin, clamping ring and spring, and the through-hole sliding fit who sets up on pin and the installation cavity both sides wall face, clamping ring fixed connection is on the pin.

Preferably, the spring is sleeved on the pin, and two ends of the spring are respectively connected with the compression ring and the inner wall of the mounting cavity.

Preferably, both sides of the cutter plate are provided with pin grooves, and the pin grooves are matched with the pins.

Preferably, a protective cushion is laid at the bottom of the inner groove of the protective sleeve.

Preferably, the depth of the inner groove of the protecting sleeve is larger than the length of the mowing knife.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adjust locking device and can conveniently load and unload the lag, the lag not only can protect the sword of mowing effectively, also can prevent that the people from touchhing the sword of mowing when careless and taking place danger.

2. The protection pad can prevent the mowing knife from being in hard contact with the bottom of the inner groove of the mowing knife to cause abrasion of the mowing knife.

Drawings

Fig. 1 is a schematic front view sectional structure diagram of a protection structure for an agricultural mower according to the present invention;

fig. 2 is an enlarged schematic structural view of a position a of the protection structure for the agricultural mower provided by the present invention;

fig. 3 is a schematic view of the protection structure for an agricultural mower according to the present invention.

In the figure: the mowing machine comprises a 1 cutter plate, a 2 protective sleeve, a 3 connecting rod, a 4 mowing knife, a 5 protective cushion, a 6 fixing box, a 61 installation cavity, a 7 locking device, 71 pins, 72 press rings, 73 springs and 8 pin grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a protective structure for agricultural mower comprises a cutter board 1, a protective sleeve 2 and a locking device 7, wherein a connecting rod 3 is fixedly connected to the top end of the cutter board 1, a plurality of mowing knives 4 are arranged at the bottom of the cutter board 1, the protective sleeve 2 is sleeved at the bottom of the cutter board 1, fixing boxes 6 are arranged at the upper ends of two sides of the protective sleeve 2, a mounting cavity 61 is arranged in each fixing box 6, the locking device 7 comprises a pin 71, a pressing ring 72 and a spring 73, the pin 71 is in sliding fit with through holes formed in two side wall surfaces of the mounting cavity 61, and the pressing ring 72 is fixedly connected to the pin 71.

Wherein the spring 73 is sleeved on the pin 71, two ends of the spring 73 are respectively connected with the press ring 72 and the inner wall of the installation cavity 61, pin grooves 8 are respectively arranged on two sides of the cutter plate 1, the pin grooves 8 are matched with the pin 71, when the mowing knife 4 is needed to mow, the pin 71 is pulled, the protective sleeve 2 can be taken down after the pin 71 is pulled out of the pin groove 8, when the mowing knife 4 is not needed to be used, the pin 71 is pulled, the pin 71 drives the press ring 72 to compress the spring 73, at the moment, the protective sleeve 2 can be sleeved at the bottom of the cutter plate 1, the pin 71 is loosened, when the protective sleeve 2 is sleeved, the spring 73 can drive the pin 71 and the press ring 72 to reset, so that the pin 71 is inserted into the pin groove 8 again, the protective sleeve 2 is fixed again, the protective sleeve 2 can be conveniently assembled and disassembled by adjusting the locking device 7, the protective sleeve 2 can effectively protect the mowing knife 4, it is also possible to prevent a person from inadvertently touching the mowing knife 4 to cause a danger.

Wherein, the bottom of lag 2 inside groove has laid protection pad 5, and protection pad 5 can prevent that mowing knife 4 from hard contact mowing knife 4 bottom of inside groove and leading to mowing knife 4 wearing and tearing, and the degree of depth of lag 2 inside groove is greater than mowing knife 4's length.

Example (b): the pin 71 is pulled, the pin 71 drives the pressing ring 72 to compress the spring 73, the protecting sleeve 2 can be sleeved at the bottom of the cutter plate 1 at the moment, the pin 71 is loosened, when the protecting sleeve 2 is sleeved, the spring 73 can drive the pin 71 and the pressing ring 72 to reset, the pin 71 is inserted into the pin groove 8 again, the protecting sleeve 2 is fixed again, the protecting sleeve 2 can be conveniently assembled and disassembled by adjusting the locking device 7, the protecting sleeve 2 can effectively protect the mowing knife 4, and the danger that people touch the mowing knife 4 accidentally can be avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A protective structure for an agricultural mower, comprising:

the top end of the cutter plate (1) is fixedly connected with a connecting rod (3), and the bottom of the cutter plate (1) is provided with a plurality of mowing knives (4);

the cutter cutting device comprises a protecting sleeve (2), wherein the protecting sleeve (2) is sleeved at the bottom of a cutter cutting plate (1), fixing boxes (6) are arranged at the upper ends of two sides of the protecting sleeve (2), and an installation cavity (61) is arranged in each fixing box (6); and

locking device (7), locking device (7) include pin (71), clamping ring (72) and spring (73), and the through-hole sliding fit who offers on pin (71) and installation cavity (61) both sides wall face, clamping ring (72) fixed connection is on pin (71).

2. The protective structure for the agricultural mower according to claim 1, wherein the spring (73) is sleeved on the pin (71), and two ends of the spring (73) are respectively connected with the pressure ring (72) and the inner wall of the mounting cavity (61).

3. The protective structure for the agricultural mower according to claim 1, wherein pin grooves (8) are formed in two sides of the cutter plate (1), and the pin grooves (8) are matched with the pins (71).

4. A protective structure for an agricultural mower according to claim 1, wherein a protective pad (5) is laid on the bottom of the inner groove of the protective cover (2).

5. A protective structure for an agricultural mower according to claim 1, wherein the depth of the groove in the protective cover (2) is greater than the length of the mowing blade (4).