CN107750583A - It is a kind of with renovating and the hay mover of height adjustment mechanism - Google Patents

Abstract

The invention relates to a lawnmower with a flip cover and a height adjustment mechanism, comprising: a box body, a hammer shaft, two height adjustment mechanisms, a flip cover, a fitting shaft and a power assembly, the flip cover and the The box body is hinged; the hammer knife shaft is installed on the box body and can rotate relative to the box body; the part of the hammer knife shaft in the box body is provided with several blades; the height adjustment mechanism It includes two supporting pedestals, two lead screws, two scales and two cylindrical connectors, and the two supporting pedestals are respectively vertically fixed to the end surface of the box body. A lawn mower with a flip cover and a height adjustment mechanism and a lawn mower using the mower mechanism according to the present invention adopt a flip type mowing mechanism design and a screw height adjustment design, so that the entire cutter can be disassembled Convenience, simple and precise height adjustment, low implementation cost and strong practicability.

Description

A lawnmower with flip cover and height adjustment mechanism

technical field

The invention relates to a lawn mower, in particular to a lawn mower with a flip cover and a height adjustment mechanism, which belongs to the technical field of gardening treatment equipment.

Background technique

With the rapid development of modern agriculture, the traditional manual labor method is not only labor-intensive but also inefficient. Obviously, it can no longer meet the requirements of modern production. The weeding method has also changed from manual weeding to chemical weeding. cause some damages. Moreover, chemicals will pollute the land and damage the ecological environment, which is contrary to our concept of green development. Therefore, the more environmentally friendly mechanical weeding method has been recognized by the general public. The use of mechanical weeding can greatly reduce labor costs, has high weeding efficiency, can promote the growth of crops, and reduces the pesticide residues of herbicides, which is conducive to the protection of the ecological environment. At present, lawn mowers have been widely used in weeding in large-area plantations.

In the structure of the lawn mower, the most important part is the mowing part. When working, the box body is driven by the oil cylinder to rotate around the connecting hinge point so as to realize the adjustment of the mowing height. Due to the limited driving capacity of the oil cylinder, it is difficult to complete the operation with a certain weeding height requirement. At this time, a mechanism for finely adjusting the weeding height is needed to help complete the operation. When the lawn mower cutter needs to be replaced and the cutter holder needs to be maintained, the cutter holder cutter needs to be removed at this time. Since the header is a semi-closed device and the tool rest is heavy, it is inconvenient to disassemble.

Contents of the invention

The object of the present invention is to provide a lawn mower with a flip cover and a height adjustment mechanism for the above-mentioned present situation.

The technical solution adopted in the present invention is: a lawn mower with a flip cover and a height adjustment mechanism, including: a box body, a hammer knife shaft, two height adjustment mechanisms, a flip cover, a fitting shaft and a power assembly, the The flip cover is hinged with the box body; the hammer knife shaft is installed on the box body and is rotatable relative to the box body; a number of blades are provided on the part of the hammer knife shaft inside the box body; The height adjustment mechanism includes two supporting pedestals, two lead screws, two scales and two cylindrical connectors, the two supporting pedestals are respectively fixed vertically to the end faces of the box, and the supporting pedestals are provided with There is a threaded hole through which the two lead screws are respectively vertically pierced through the support pedestal, and one end is fixed to one end of the cylindrical connector, and the scale is arranged on the end surface of the box , and one end abuts against the support pedestal, and the ends of the two cylindrical connectors away from the lead screw are fixed to the fitting shaft.

The effect of the present invention is: a kind of lawnmower with turning cover and height adjustment mechanism according to the present invention adopts the design of turning cover type mowing device and the design of screw height adjustment, so that the whole tool is easy to disassemble and assemble, and the height can be adjusted. Simple and precise, low implementation cost and strong practicability.

Description of drawings

Fig. 1 shows the left view schematic diagram of a kind of lawn mower with flip cover and height adjustment mechanism provided by the present invention;

Fig. 2 shows the three-dimensional schematic view of the mowing mechanism in Fig. 1;

Fig. 3 is a three-dimensional schematic diagram of another state of the mowing mechanism in Fig. 1;

Fig. 4 shows the front view of another state of the mowing mechanism in Fig. 1;

Among the figure: 1—mowing mechanism, 11—casing body, 111—supporting plate, 1111—through hole, 112—through hole, 12—hammer shaft, 121—blade, 13—height adjustment mechanism, 131—supporting pedestal , 132—screw, 133—scale, 134—cylindrical connector, 14—turnover cover, 141—cover body, 142—handle, 143—connecting fixed block, 1431—connecting hole, 144—bolt, 15—fitting shaft .

Detailed ways

Introduce below in conjunction with accompanying drawing the lawnmower that the present invention provides has reversing cover and height adjusting mechanism:

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4 at the same time, a kind of lawnmower with turning cover and height adjustment mechanism provided by the present invention and the lawnmower using this mowing mechanism include: a box body 11 , a hammer knife shaft 12, two height adjustment mechanisms 13, a flip cover 14, a fitting shaft 15 and power components.

Both ends of the box body 11 are provided with support plates 111 , one end of the support plate 111 is fixed to the box body 11 , and the other end is provided with a through hole 1111 .

The hammer shaft 12 is installed on the box body 11 and is rotatable relative to the box body 11 . The part of the hammer cutter shaft 12 inside the box body 11 is provided with several blades 121 for cutting.

In this embodiment, the blades 121 are arranged in a staggered manner on the hammer cutter shaft 12 .

Two height adjustment mechanisms 13 are respectively arranged at both ends of the box body 11 .

The height adjustment mechanism 13 includes two support bases 131 , two screw screws 132 , two scales 133 and two cylinder connectors 134 .

The two support bases 131 are respectively vertically fixed to the end face of the box body 11. The support base 131 is provided with a threaded hole, and the two lead screws 132 are respectively vertically penetrated through the screw holes in the support base 131, and one end is connected to one end of the cylindrical connector 134. Fixed, the scale 133 is arranged on the end surface of the box body 11 , and one end abuts against the supporting base 131 , and the end of the two cylindrical connecting pieces 134 away from the lead screw 132 is fixed to the fitting shaft 15 .

Both ends of the laminating shaft 15 are bent and extend toward the direction close to the box body 11 .

The flip cover 14 includes a cover body 141 , a handle 142 , two connecting blocks 143 and two bolts 144 .

Both ends of the side of the cover 141 protrude to form a protruding shaft matching the through hole 1111 , and the cover 141 is hinged to the support plate 111 through the protruding shaft and the through hole 1111 .

The handle 142 is disposed on the cover 141 . Two connecting and fixing blocks 143 are respectively arranged on the two ends of the cover body 141, and the connecting and fixing blocks 143 are arranged perpendicular to the cover body 141, and one side of the connecting and fixing blocks 143 can abut against the end face of the box body 11, and the connecting and fixing blocks 143 are provided with There is a connection hole 1431 , and a through hole 112 is provided at a position corresponding to the connection hole on the box body 11 , and a bolt 144 is penetrated through the connection hole 1431 and the through hole 112 .

The power assembly is arranged at the end of the box body 11, and the power assembly is connected with the hammer cutter shaft 13 by a belt.

When the lawn mower is working, the power assembly transmits the power to the hammer cutter shaft 12 through the belt drive, and the rotation of the hammer cutter shaft 12 drives the blade to rotate to realize the mowing action. It is inevitable that the blades will hit the stones when mowing, and this will damage the blades over time, so the blades will need to be replaced. When the lawn mower was working normally, the connection and fixing block 143 was connected with the casing 11 by the bolt 144, and the casing and the reversing mushroom were fixed without shaking. When the blade needs to be replaced, remove the bolt 144 connecting the box body 11 to the fixed block 143, lift the handle 142, and turn the flip cover 14 around the protruding shaft to the maximum opening angle. At this time, a mechanical limit will be formed to ensure that the box body Renovate support is stable, can not topple over, and then change blade work, after blade has been replaced, renovate 14 is turned over and connects fixed block 143 and casing 11 with bolt 144.

When carrying out mowing work on level ground, make it move up and down by adjusting leading screw 132 and guarantee that the reading of two scales 133 is the same, fit axis and ground parallel, can guarantee certain mowing height like this. When a slope with a certain inclination angle is encountered during mowing, the lead screw on one side can be adjusted so that the height of one side is higher than that of the other side, forming a certain height difference to facilitate the mowing work.

A lawn mower with a flip cover and a height adjustment mechanism and a lawn mower using the mowing mechanism according to the present invention adopt a flip type mowing mechanism design and a screw height adjustment design, so that the entire cutter can be disassembled and assembled. Convenience, simple and precise height adjustment, low implementation cost and strong practicability.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (7)

1. It is 1. a kind of with renovating and the hay mover of height adjustment mechanism, it is characterised in that including：One casing, one hammer cutter shaft, two Height adjustment mechanism, one renovate, are bonded axle and Power Component, and described renovate is hinged with the casing；The hammer cutter shaft is arranged in On the casing, and relatively described casing is rotatable；The part that the hammer cutter shaft is in the casing is provided with some blades； The height adjustment mechanism includes two supporting platform seats, two leading screws, two graduated scales and two cylindrical connections, described in two Supporting platform seat is vertical with the end face of the casing respectively to fix.
2. It is 2. as claimed in claim 1 with renovating and the hay mover of height adjustment mechanism, it is characterised in that the supporting platform seat Be provided with a screwed hole, two leading screws are vertically arranged in the supporting platform seat by the screwed hole respectively, and one end with One end of the cylindrical connection is fixed, and the graduated scale is arranged on the end face of the casing, and one end and the supporting table Seat abuts, and the one end of two cylindrical connections away from the leading screw is bonded axle and mutually fixed with described.
3. It is 3. as claimed in claim 2 with renovating and the hay mover of height adjustment mechanism, it is characterised in that the two of the casing End is provided with support plate, and described support plate one end is fixed with the casing, and the other end is provided with through hole.
4. It is 4. as claimed in claim 3 with renovating and the hay mover of height adjustment mechanism, it is characterised in that it is described renovate including One lid, handle, two connection fixing blocks and two bolts, the both ends of the side of the lid are raised, and formation runs through with described The protruding shaft that hole matches, the lid are hinged by the protruding shaft and the through hole with the support plate, and the handle is set Put on the lid；Two connection fixing blocks are separately positioned on the both ends of the lid, and the connection fixing block is vertical Set in the lid, and the one side of the connection fixing block can abut with the end face of the casing, on the connection fixing block Provided with connecting hole, the opening position that the connecting hole is corresponded on the casing is provided with through hole, and the bolt is arranged in the connecting hole And the through hole.
5. It is 5. as claimed in claim 4 with renovating and the hay mover of height adjustment mechanism, it is characterised in that the Power Component The end of the casing is arranged on, the Power Component is connected with the hammer cutter shaft belt.
6. It is 6. as claimed in claim 5 with renovating and the hay mover of height adjustment mechanism, it is characterised in that the blade is in institute It is in be staggered to state hammer cutter shaft.
7. It is 7. as claimed in claim 6 with renovating and the hay mover of height adjustment mechanism, it is characterised in that the fitting axle Both ends bend extension towards close to the direction of the casing.