CN212696679U

CN212696679U - Harvester for reed

Info

Publication number: CN212696679U
Application number: CN202020716047.9U
Authority: CN
Inventors: 李艳聪; 蒋华巍; 彭松林; 常建凯; 谢路杰; 李华杰
Original assignee: Tianjin Agricultural University
Current assignee: Tianjin Agricultural University
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-03-16
Anticipated expiration: 2030-05-06

Abstract

The utility model belongs to the field of weeding devices, relates to a cutting device for reeds, in particular to a harvester for reeds, a longitudinal knife group is integrally arranged beside a knife rest, a transverse knife group is arranged below the longitudinal knife along the direction vertical to the longitudinal knife and the knife rest, one side of the longitudinal knife group and one side of the transverse knife group back to a knife head are connected with a linkage mechanism, and the linkage mechanism can drive the knife heads of the longitudinal knife and the transverse knife to respectively carry out shearing actions; the longitudinal cutter set comprises a movable cutter and a static cutter, the static cutter is fixed with the cutter frame, and the movable cutter can perform staggered reciprocating movement relative to the static cutter to realize shearing action; the transverse cutter set comprises two movable cutters which can move in opposite direction in a staggered mode to achieve shearing action.

Description

Harvester for reed

Technical Field

The utility model belongs to weeding device field relates to the cutting device of reed, especially a harvester for reed.

Background

The reeds generally grow beside ditches in the farm, in humid environments such as marshlands and the like, and need to be harvested every year along with the environmental protection requirement and the requirement of effective utilization benefit of the reeds^[1]. However, the labor intensity of manual harvesting is high, the time spent is long, the cost is high, the environment is influenced by the fact that a plurality of reeds are not harvested for several years, and particularly, the water quality is influenced by the irregular harvesting of the reeds in water, and the damage to the environment is large. Along with the requirement of environmental protection, the ecological water quality of rivers and lakes is improved and protected, reeds in water need to be harvested in time, so that the reeds are prevented from falling in the water to pollute the water, and the normal growth of the reeds is kept. Based on the condition analysis, relevant mechanisms of the reed harvester in water need to be researched at the present stage, so that reeds can be cut smoothly, the reed harvesting efficiency and the automation level are improved, and the reed production is developed stably.

Because there is no harvesting device for reed, some places use harvesters such as rice, corn and rice to harvest reed, but the reed and the plants have different characteristics, so the using effect is not good. Especially, dew is generated on reeds in winter in the north, so that the reeds, the cattail and weeds are softer, the reeds are easy to wind on a cutter during harvesting, the weeds are wound on the machine and accumulated in the machine after the reeds are harvested, the normal work cannot be realized, manual cleaning is needed, and the time is delayed.

Therefore, a cutting device for cutting off weeds as well as cutting off reeds is designed according to the sound field characteristics of reeds.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide an use crank slewing mechanism, crank rocker mechanism, space link mechanism, can realize that synchronous drive indulges sword and horizontal sword and cuts the harvester for reed of action.

The utility model adopts the technical proposal that:

the utility model provides a harvester is used to reed, includes the knife rest of a vertical setting, its characterized in that: the utility model discloses a shear knife, including knife rest, knife rest side, longitudinal knife group, transverse knife group, link gear, longitudinal knife and transverse knife, knife rest side is integrative installs one and indulges the knife group, and the below of should indulging the sword is along installing one and indulge sword and knife rest vertical direction and violently the knife group, indulge knife group and violently knife group one side of tool bit dorsad and be connected with link gear, and link gear can drive the tool bit of indu.

Furthermore, the longitudinal cutter set comprises a movable cutter and a static cutter, the static cutter is fixed with the cutter frame, and the movable cutter can perform staggered reciprocating movement relative to the static cutter to realize shearing action; the transverse cutter set comprises two movable cutters which can move in opposite direction in a staggered mode to achieve shearing action.

Furthermore, the linkage structure is provided with a motor for outputting power, the motor is arranged at the top of the tool rest, the output end of the motor is provided with a rotating disk, the rotating disk and one end of the crank are eccentrically arranged, and the other side end of the crank is respectively hinged with a longitudinal tool driving part and a transverse tool driving part.

Furthermore, the longitudinal knife driving part comprises a lever, a supporting point in the middle of the lever is hinged with the knife rest, the end part of one side of the lever and the end part of the crank which is not connected with the motor are hinged, the end part of the other side of the lever is hinged with the movable knife in the longitudinal knife group through a connecting rod, and the connecting rod extends in the direction parallel to the longitudinal knife.

Furthermore, the horizontal cutter group comprises a space connecting rod mechanism, a swing seat, a swing shaft, a swing disc and a second crank, wherein the swing seat is installed at the lower end of the cutter rest, the upper end of the space connecting rod mechanism and the end part of the crank which is not connected with the motor are hinged, the lower end part of the space connecting rod mechanism is connected with the end part of one side of the swing shaft, the swing shaft penetrates out of the swing seat and extends towards one side of the horizontal cutter, the swing disc is concentrically installed at the end part of the swing shaft close to the horizontal cutter, two connection points are eccentrically arranged in the swing disc, the circle centers of the two connection points are symmetrical, each connection point is hinged with one second crank, the end parts of the other sides of the two second cranks extend backwards and are respectively hinged with one horizontal cutter seat, and the lower ends of the two horizontal cutter seats are respectively fixed with one movable cutter.

The utility model has the advantages that:

the utility model discloses in, adopt the knife rest to install respectively as the basis and indulge knife tackle, horizontal knife tackle and link gear, the action is cuted with indulging the knife tackle to horizontal knife tackle of synchronous drive under link gear's drive, indulges the knife tackle and is used for cuting weeds, and horizontal knife tackle is used for cuting the reed, effectively prevents among the cutting process weeds winding in the cutter, has reduced the used time of clearance cutter promptly, can promote cutting efficiency again.

In the utility model, the transverse cutter set adopts a double-acting cutter, the shearing force is improved in multiples, and the reed can be harvested more quickly; the longitudinal knife group adopts a single-action knife tool, the shearing of weeds is completed in the relative longitudinal movement process, the weeds are prevented from being wound with the transverse knife group, and the working efficiency is improved.

The utility model discloses in, link gear adopts the motor as power take off, through the crank with indulge sword drive division and horizontal sword drive division realization linkage, indulge the lever tip in the sword drive division and realize the luffing motion, its tip through the connecting rod with indulge the sword move the sword and be connected, convert the luffing motion into the relative slip who moves sword and quiet sword, realize shearing action. The space connecting rod converts the longitudinal movement of the end part of the crank into circumferential swing, the swing rod is linked with one end of the swing shaft, the other end of the swing shaft is respectively output to the two second cranks through the swing disc and two eccentric connecting points, the two second cranks drive the connected transverse knife seats to back at the same speed, and then the relative movement of the two movable knives is realized to finish cutting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of fig. 1.

1: rotating the disc 2: a crank 3: a tool holder 4: side bracket 5: longitudinal knife group (stationary knife) 6: a connecting rod 7: longitudinal knife group (movable knife) 8: horizontal knife group 9: the second crank 10: the swinging tray 11: the oscillating shaft 12: bottom support 13: the swing seat 14: swing link 15: straight rod 16: fulcrum 17: the fixing table 18: horizontal knife holder

Detailed Description

The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.

The utility model provides a harvester for reed, includes the knife rest 3 of a vertical setting, the utility model discloses an innovation lies in, a plurality of collateral branch framves 4 are made to knife rest side an organic whole, and a collet 12 is still installed to this cutter bottom, the tip of collet and a plurality of collateral branch framves is installed one jointly and is indulged the knife tackle, should indulge the below of sword and install a horizontal knife tackle 8 along indulging sword and knife rest vertical direction, indulge knife tackle and horizontal knife tackle one side of the tool bit dorsad and be connected with link gear, link gear can drive the tool bit of indulging sword and horizontal sword and shear the action respectively.

In the embodiment, the longitudinal cutter set comprises a longitudinal cutter set (movable cutter) 7 and a longitudinal cutter set (static cutter) 5, the static cutter is fixed with the cutter frame, and the movable cutter can perform staggered reciprocating movement relative to the static cutter to realize shearing action; the transverse cutter set comprises two movable cutters which can move in opposite direction in a staggered mode to achieve shearing action.

In this embodiment, the linkage structure is powered by a motor, the motor is mounted at the top of the tool rest, the output end of the motor is provided with a rotating disk 1, the rotating disk and one end of a crank 2 are eccentrically mounted, and the other side end of the crank is respectively hinged with a longitudinal tool driving part and a transverse tool driving part.

In this embodiment, a fixed table 17 is integrally formed on the top of the tool holder in the transverse direction, and a motor, preferably a servomotor, is mounted on the table of the fixed table.

In this embodiment, the longitudinal knife driving part comprises a lever, a supporting point 16 in the middle of the lever is hinged with the knife rest, one side end of the lever is hinged with the end of the crank which is not connected with the motor, the other side end of the lever is hinged with the movable knife in the longitudinal knife group through a connecting rod 6, and the connecting rod extends in the direction parallel to the longitudinal knife.

In this embodiment, the horizontal knife group includes a space link mechanism, a swing seat 13, a swing shaft 11, a swing disc 10 and a second crank 9, the swing seat is installed at the lower end of the knife rest, the upper end of the space link mechanism and the end of the crank which is not connected with the motor are hinged, the lower end of the space link mechanism is connected with the end of one side of the swing shaft, the swing shaft penetrates out of the swing seat and extends to one side of the horizontal knife, the swing disc is concentrically installed at the end of the swing shaft close to the horizontal knife, two connection points are eccentrically arranged in the swing disc, the centers of circles of the two connection points are symmetrical, each connection point is hinged with one second crank, the other ends of the two second cranks extend back to back and are respectively hinged with one horizontal knife seat 18, and the lower ends of the two horizontal knife seats are respectively fixed with one movable knife in the horizontal knife group integrally.

In this embodiment, the spatial link mechanism includes a straight rod 15 and a swing rod 14, wherein the upper end of the straight rod and the end of the crank not connected to the motor are hinged, the lower end of the straight rod and one end of the swing rod are matched with the ball head through a universal head, and the other end of the swing rod is connected to the swing shaft.

In this embodiment, the preferable size of the longitudinal knife group and the transverse knife group is matched, when the crank rotates for one circle, the transverse knife group cuts once, and the stroke of the transverse knife group (movable knife) is 10 cm; the longitudinal knife group cuts once, and the stroke of the longitudinal knife group (moving knife) is 25 cm.

The utility model discloses a use is:

when the utility model is used, the servo motor is started to drive the rotating disc to rotate circumferentially, the longitudinal knife driving part and the transverse knife driving part respectively move under the action of the crank, and the movable knife in the longitudinal knife group moves in a vertically staggered manner relative to the static knife under the action of the longitudinal knife driving part, so that weeds, cattail and the like are cut, and the weeds, the cattail and the transverse knife are prevented from being wound; meanwhile, the two movable blades of the transverse blade set finish one-time back-to-back and one-time opposite movement, and further cut the reeds.

Claims

1. The utility model provides a harvester is used to reed, includes the knife rest of a vertical setting, its characterized in that: the utility model discloses a shear knife, including knife rest, knife rest side, longitudinal knife group, transverse knife group, link gear, longitudinal knife and transverse knife, knife rest side is integrative installs one and indulges the knife group, and the below of should indulging the sword is along installing one and indulge sword and knife rest vertical direction and violently the knife group, indulge knife group and violently knife group one side of tool bit dorsad and be connected with link gear, and link gear can drive the tool bit of indu.

2. A harvester for reed according to claim 1, characterized in that: the longitudinal cutter set comprises a movable cutter and a static cutter, the static cutter is fixed with the cutter frame, and the movable cutter can perform staggered reciprocating movement relative to the static cutter to realize shearing action; the transverse cutter set comprises two movable cutters which can move in opposite direction in a staggered mode to achieve shearing action.

3. A harvester for reed according to claim 2, characterized in that: the linkage mechanism is used for outputting power by a motor, the motor is arranged at the top of the tool rest, the output end of the motor is provided with a rotating disk, the rotating disk and one end of a crank are eccentrically arranged, and the other side end of the crank is respectively hinged with a longitudinal tool driving part and a transverse tool driving part.

4. A harvester for reed according to claim 2, characterized in that: the longitudinal cutter driving part comprises a lever, a supporting point in the middle of the lever is hinged with the cutter frame, the end part of one side of the lever is hinged with the end part of the crank which is not connected with the motor, the end part of the other side of the lever is hinged with the movable cutter in the longitudinal cutter group through a connecting rod, and the connecting rod extends in the direction parallel to the longitudinal cutter.

5. A harvester for reed according to claim 2, characterized in that: the horizontal cutter group comprises a space connecting rod mechanism, a swing seat, a swing shaft, a swing disc and a second crank, wherein the swing seat is installed at the lower end of the cutter rest, the upper end part of the space connecting rod mechanism and the end part of the crank which is not connected with the motor are hinged, the lower end part of the space connecting rod mechanism is connected with the end part of one side of the swing shaft, the swing shaft penetrates out of the swing seat and extends towards one side of the horizontal cutter, the swing disc is concentrically installed at the end part of the swing shaft close to the horizontal cutter, two connection points are eccentrically arranged in the swing disc, the circle centers of the two connection points are symmetrical, each connection point is hinged with one second crank, the end parts of the other sides of the two second cranks extend backwards and are respectively hinged with one horizontal cutter seat, and the lower ends of the two horizontal cutter seats are respectively fixed with.

6. A harvester for reed according to claim 5, characterized in that: the space link mechanism comprises a straight rod and a swing rod, wherein the upper end part of the straight rod and the end part of the crank which is not connected with the motor are hinged, the lower end part of the straight rod is matched with one end of the swing rod through a universal head and a ball head, and the other end of the swing rod is connected with a swing shaft.