CN212116229U

CN212116229U - Agricultural cultivation weeding device with safeguard function

Info

Publication number: CN212116229U
Application number: CN202020528312.0U
Authority: CN
Inventors: 何盛弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-11
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses an agricultural cultivation weeding device with protection function, which comprises a frame body and supporting legs arranged at four corners of the lower end of the frame body, wherein each supporting leg is provided with a wheel; the cutting part includes the rotor, array distribution has a plurality of cutting knife group on the rotor, the rotor is connected and is used for driving its rotation in order to realize the rotatory driving piece that cutting knife group switches, rotor upper end outside and fixed bearing inner circle fixed connection, the fixed bearing outer lane passes through locating lever and framework inner wall connection, the utility model discloses drawback to current device is designed, can protect the blade, can also realize the fast switch-over of knife group simultaneously, can make the cutting of the different plants of device adaptation, and the practicality is strong.

Description

Agricultural cultivation weeding device with safeguard function

Technical Field

The utility model relates to the technical field of agricultural mechanical equipment, specifically an agricultural cultivation weeding device with safeguard function.

Background

Before the emergence of weeders, the main tool for trimming the lawn is a sickle, and grazing cattle and sheep are also important methods for keeping the lawn smooth. With the development of society, home districts gradually own lawns, which are required for the beauty of lawns, and machines capable of tidying lawns are created accordingly. The first special utility model in the prasuke of the english man of 1805 reaps cereal and can cut ruderal machine, is pushed the machine by the people, drives the rotary cutter through gear drive and mows, and this is exactly the rudiment of rotary cutter weeder. Along with the development of society, people have put forth various weeder into practice. The current weeder of china's production can be divided into hobbing cutter formula and rotary cutter formula two categories with the cutter type, and weeder when using, highly fixed, and the blade is close to ground and rotates, and ground unevenness, and the blade cuts the crust easily, damages the blade to the weeding blade dismouting degree of difficulty of current weeder is higher, can not select suitable cutting knife according to the weeding type.

In view of the above, a weeding apparatus is now provided that reduces blade wear and facilitates cutter replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an agricultural cultivation weeding device with safeguard function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an agricultural cultivation weeding device with a protection function comprises a frame body and supporting legs arranged at four corners of the lower end of the frame body, wherein each supporting leg is provided with a wheel, the left upper end of the frame body is provided with a handrail convenient to push, the frame body is provided with a cutting part for cutting, and the right end of the frame body is provided with a prompt component for detecting whether a protruding soil block damages a blade or not;

the cutting component comprises a rotating body, a plurality of cutting knife sets are distributed on the rotating body in an array manner, the rotating body is connected with a rotary driving piece which is used for driving the rotating body to rotate so as to realize switching of the cutting knife sets, the outer side of the upper end of the rotating body is fixedly connected with an inner ring of a fixed bearing, an outer ring of the fixed bearing is connected with the inner wall of a frame body through a positioning rod, the cutting component also comprises a cutting driving piece which is used for driving the cutting knife sets to work, and an extension opening which is convenient for the cutting knife sets to extend out;

the cutting knife tackle is including running through the rotor about terminal surface and the slip chamber of cross-section for the rectangle, the inside sliding fit of slip chamber has a rectangle frame, rectangle frame lower extreme both sides are connected fixedly through the limit stop of supporting spring with the slip intracavity wall, it is equipped with the rotation seat to rotate in the mounting hole of rectangle frame intermediate position, it is equipped with the arbor and sets up the blade at the arbor lower extreme to rotate the seat lower extreme.

As a further aspect of the present invention: the rotary driving part comprises a driving shaft penetrating through the middle position of a rotor, the upper end and the lower end of the driving shaft are rotatably connected with the inner wall of the frame body, a driven gear is arranged at the upper end of the driving shaft, a first motor is installed at the top of the frame body where the driven gear is located, and a driving gear meshed with the driven gear is arranged at the output end of the first motor.

As a further aspect of the present invention: the prompting component comprises a transverse rod, the transverse rod is arranged on the right side of the frame body, the cross section of the transverse rod is rectangular, a sliding sleeve is sleeved on the transverse rod, the left side of the sliding sleeve is fixedly connected with the frame body through a reset spring, a trigger block is arranged on the surface of the transverse rod on the left side of the sliding sleeve, the trigger block is electrically connected with an alarm, at least one impact rod is arranged at the lower end of the sliding sleeve, and the height of the lower end of the impact rod is equivalent to the.

As a further aspect of the present invention: the trigger block is a pressure sensor.

As a further aspect of the present invention: the cutting driving piece is including installing the second motor in the framework upper end, the output of second motor is equipped with the cross-section and is oval-shaped transmission shaft, and the slip cover of transmission shaft lower extreme is equipped with the transmission cover, the transmission cover lower extreme is equipped with and is used for supporting the friction disk of rotor up end in order to realize cutting knife group work, the transmission cover outside is connected fixedly with the transmission bearing inner circle, the transmission bearing outer lane passes through the output that the transfer line connects the telescopic link.

As a further aspect of the present invention: the handrail is provided with a control panel which is electrically connected with the prompt component and the cutting component.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses drawback to current device designs, can protect the blade, can also realize the fast switch-over of knife tackle simultaneously, can be so that the device adapts to the cutting of different plants, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view of the rotor of the present invention.

Fig. 4 is a schematic structural view of the middle transmission sleeve and the transmission shaft of the present invention.

Wherein: the device comprises a frame body 1, an armrest 2, a rotary driving piece 3, a rotating body 4, a cutting driving piece 5, a prompting component 6, an extension opening 7, a cutting knife group 8, wheels 9, supporting legs 10, a fixed bearing 11, a positioning rod 12 and a control panel 21;

the device comprises a first motor 31, a driving gear 32, a driven gear 33, a driving shaft 34, a second motor 51, a transmission shaft 52, an expansion rod 53, a transmission sleeve 54, a friction disc 55, a return spring 61, a trigger block 62, a sliding sleeve 63, a striking rod 64, a supporting spring 81, a rectangular frame 82, a rotating seat 83, a sliding cavity 84 and a limit stop 85.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, an agricultural cultivation weeding device with protection function includes a frame body 1 and supporting legs 10 disposed at four corners of the lower end of the frame body, each supporting leg 10 is provided with a wheel 9, the upper left end of the frame body 1 is provided with a handrail 2 convenient for pushing, the frame body 1 is provided with a cutting component for cutting, and the right end of the frame body 1 is provided with a prompt component 6 for detecting whether a protruding soil block damages a blade;

the prompting component 6 comprises a cross bar which is arranged on the right side of the frame body 1 and has a rectangular cross section, a sliding sleeve 63 is slidably sleeved on the cross bar, the left side of the sliding sleeve 63 is fixedly connected with the frame body 1 through a return spring 61, a trigger block 62 is arranged on the surface of the cross bar on the left side of the sliding sleeve 63, the trigger block 62 is electrically connected with an alarm, at least one impact rod 64 is arranged at the lower end of the sliding sleeve 63, the height of the lower end of the impact rod 64 is equal to the cutting position of the cutting knife, when the device cuts, a raised soil block appears in the front, the soil block is located at the cutting position, at the moment, after the impact rod 64 is pressed by the soil block, the sliding sleeve 63 can slide along the cross bar, the trigger block is further extruded, at the moment, the trigger block sends a;

the trigger block 62 is a pressure sensor for detecting the pressure applied by the sliding sleeve 63.

The cutting component comprises a rotating body 4, a plurality of cutting knife sets 8 are distributed on the rotating body 4 in an array mode, the rotating body 4 is connected with a rotary driving piece 3 which is used for driving the rotating body to rotate so as to achieve switching of the cutting knife sets 8, the outer side of the upper end of the rotating body 4 is fixedly connected with the inner ring of a fixed bearing 11, the outer ring of the fixed bearing 11 is connected with the inner wall of a frame body 1 through a positioning rod 12, the cutting component further comprises a cutting driving piece 5 which is used for driving the cutting knife sets 8 to work, and an extension opening 7 which is convenient for the cutting knife sets 8 to extend out is formed;

the rotary driving part 3 comprises a driving shaft 34 penetrating through the middle position of the rotating body 4, the upper end and the lower end of the driving shaft 34 are rotatably connected with the inner wall of the frame body 1, a driven gear 33 is arranged at the upper end of the driving shaft 34, a first motor 31 is installed at the top of the frame body 1 where the driven gear 33 is located, a driving gear 32 meshed with the driven gear 33 is arranged at the output end of the first motor 31, and under the driving of the first motor 31, the driving gear 32 is matched with the driven gear 33, so that a driving force is provided for the rotation of the rotating body 4;

the cutting knife group 8 comprises a sliding cavity 84 which penetrates through the upper end face and the lower end face of the rotating body 4 and has a rectangular cross section, a rectangular frame 82 is in sliding fit in the sliding cavity 84, two sides of the lower end of the rectangular frame 82 are connected and fixed with limit stops 85 on the inner wall of the sliding cavity 84 through supporting springs 81, a rotating seat 83 is rotatably arranged in a mounting hole in the middle of the rectangular frame 82, and a knife shaft and a blade arranged at the lower end of the knife shaft are arranged at the lower end of the rotating seat 83;

the cutting driving part 5 comprises a second motor 51 arranged at the upper end of the frame body 1, the output end of the second motor 51 is provided with a transmission shaft 52 with an oval cross section, the lower end of the transmission shaft 52 is slidably sleeved with a transmission sleeve 54, the lower end of the transmission sleeve 54 is provided with a friction disc 55 for abutting against the upper end surface of the rotating body 4 to realize the work of the cutting knife group 8, the outer side of the transmission sleeve 54 is fixedly connected with the inner ring of a transmission bearing, and the outer ring of the transmission bearing is connected with the output end of the telescopic rod 53;

when the weeding machine is used, the telescopic rod 53 drives the transmission sleeve 54 to slide downwards along the transmission shaft 52, so that the friction disc 55 abuts against the upper end face of the rotating seat 83, the rectangular frame 82 can slide along the sliding cavity 84 under the pushing of the telescopic rod 53 and finally extends out of the frame body 1 along the extension opening 7, the upper end face of the rotating seat 83 is provided with a friction surface matched with the friction disc 55, and the rotating seat 83 can rotate under the driving of the second motor 51, so that the blades are driven to cut, and the weeding operation is completed;

the handrail 2 is provided with a control panel 21 which is electrically connected with the prompt component 6 and the cutting component.

The utility model discloses a theory of operation is: when the knife tackle needs to be changed, drive rotor 4 through rotary driving piece 3 and rotate, rotate the cutting knife tackle 8 that corresponds to the position that stretches out the mouth, then through the telescopic link 53 extension, under the promotion of telescopic link 53, rectangle frame 82 can slide along sliding chamber 84, stretches out framework 1 along stretching out mouthful 7 at last, it is equipped with the friction surface with friction disk 55 matched with to rotate seat 83 up end, under the drive of second motor 51, it can rotate to rotate seat 83 to drive the blade cutting, accomplish weeding operation, bellied clod appears in the place ahead, and the clod highly is located the cutting position, impact pole 64 receives the back of pressing of clod this moment, sliding sleeve 63 can slide along the horizontal pole, and then extrudees the trigger block, the trigger block is to the alarm signals this moment, the alarm sends suggestion sound, thereby remind the staff in time to handle.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An agricultural cultivation weeding device with a protection function comprises a frame body (1) and supporting legs (10) arranged at four corners of the lower end of the frame body, wherein each supporting leg (10) is provided with a wheel (9), the left upper end of the frame body (1) is provided with a handrail (2) convenient to push, the agricultural cultivation weeding device is characterized in that a cutting component used for cutting is arranged on the frame body (1), and the right end of the frame body (1) is provided with a prompt component (6) used for detecting whether a protruding soil block damages a blade;

the cutting component comprises a rotating body (4), a plurality of cutting knife sets (8) are distributed on the rotating body (4) in an array mode, the rotating body (4) is connected with a rotary driving piece (3) which is used for driving the rotating body to rotate so as to achieve switching of the cutting knife sets (8), the outer side of the upper end of the rotating body (4) is fixedly connected with an inner ring of a fixed bearing (11), the outer ring of the fixed bearing (11) is connected with the inner wall of a frame body (1) through a positioning rod (12), the cutting component further comprises a cutting driving piece (5) which is used for driving the cutting knife sets (8) to work, and an extension opening (7) which is convenient for the cutting knife sets (8) to extend out is formed in;

cutting knife tackle (8) are including running through slide chamber (84) that terminal surface and cross-section are the rectangle about rotor (4), slide chamber (84) inside sliding fit has a rectangle frame (82), rectangle frame (82) lower extreme both sides are connected fixedly through spacing block (85) of supporting spring (81) and slide chamber (84) inner wall, it is equipped with rotation seat (83) to rotate in the mounting hole of rectangle frame (82) intermediate position, it is equipped with the arbor and sets up the blade at the arbor lower extreme to rotate seat (83) lower extreme.

2. An agricultural cultivation and weeding device with a protection function according to claim 1, wherein the rotary driving member (3) comprises a driving shaft (34) penetrating through the middle position of the rotating body (4), the upper end and the lower end of the driving shaft (34) are rotatably connected with the inner wall of the frame body (1), a driven gear (33) is arranged at the upper end of the driving shaft (34), a first motor (31) is installed at the top of the frame body (1) where the driven gear (33) is located, and a driving gear (32) meshed with the driven gear (33) is arranged at the output end of the first motor (31).

3. The agricultural cultivation weeding device with the protection function according to claim 1, wherein the prompting component (6) comprises a cross bar with a rectangular cross section, the cross bar is arranged on the right side of the frame body (1), a sliding sleeve (63) is sleeved on the cross bar in a sliding manner, the left side of the sliding sleeve (63) is fixedly connected with the frame body (1) through a return spring (61), a trigger block (62) is arranged on the surface of the cross bar on the left side of the sliding sleeve (63), the trigger block (62) is electrically connected with the alarm, at least one impact rod (64) is arranged at the lower end of the sliding sleeve (63), and the height of the lower end of the impact rod (64) is equivalent to the cutting position of the cutting knife.

4. A guard-functioning agricultural tilling and weeding device according to claim 3, wherein the trigger block (62) is a pressure sensor.

5. An agricultural cultivation and weeding device with a protection function according to claim 1, wherein the cutting driving member (5) comprises a second motor (51) mounted at the upper end of the frame body (1), the output end of the second motor (51) is provided with a transmission shaft (52) with an oval cross section, the lower end of the transmission shaft (52) is slidably sleeved with a transmission sleeve (54), the lower end of the transmission sleeve (54) is provided with a friction disc (55) for abutting against the upper end surface of the rotating body (4) to realize the operation of the cutting knife group (8), the outer side of the transmission sleeve (54) is fixedly connected with the inner ring of a transmission bearing, and the outer ring of the transmission bearing is connected with the output end of the telescopic rod (53) through a transmission.

6. A fencing device as claimed in claim 1, wherein the handrail (2) is provided with a control panel (21) for electrical connection with the prompting assembly (6) and the cutting member.