CN112205103B

CN112205103B - A prevent twining careless device for rice planting rotary cultivator

Info

Publication number: CN112205103B
Application number: CN202011072833.0A
Authority: CN
Inventors: 郑清梅
Original assignee: Hunan Nongfu Electromechanical Co ltd
Current assignee: Hunan Nongfu Electromechanical Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2022-12-23
Anticipated expiration: 2040-10-09
Also published as: CN112205103A

Abstract

The invention discloses a grass winding prevention device for a rice planting rotary cultivator, which belongs to the technical field of the rice planting rotary cultivator, and comprises a rack, wherein fixed plates are fixedly connected to two sides of the bottom of the rack, cutter shafts are rotatably connected to opposite sides of the two groups of fixed plates through bearings, the middle parts of the cutter shafts are connected with a transmission box, the top of the transmission box is connected to the rack, the transmission box penetrates through the middle parts of the cutter shafts, cutter seats are uniformly arranged on the outer wall of each cutter shaft, cutters are arranged on the cutter seats, grass winding contacted with saw teeth on a grass blocking plate can be directly cut off by the saw teeth when grass winding moves, so that the grass winding on the grass blocking plate can be looser, the grass winding on the cutter shafts can be avoided through a grass blocking mechanism, and then the grass winding becomes loose through the matching use of the grass loosening mechanism, the compactness is reduced, and the grass winding radius is reduced, so that the grass winding on the grass blocking plate can be very easy to clean the grass winding on the grass blocking plate in the follow-up process.

Description

A prevent twining careless device for rice planting rotary cultivator

Technical Field

The invention relates to the technical field of rice planting rotary cultivators, in particular to a grass winding prevention device for a rice planting rotary cultivator.

Background

When the rice planting rotary cultivator is used for ploughing, weeds in the ground are easy to wind on the cutter shaft, rotation of the cutter shaft is affected, excessive weeds are filled between the transmission box and the cutter shaft, and flameout of the transmission box can be caused.

Disclosure of Invention

The invention aims to provide a grass winding prevention device for a rice planting rotary cultivator, which solves the problems that the grass winding prevention device for the rice planting rotary cultivator proposed in the background art only increases the grass winding radius, so that the grass winding cannot be wound on a cutter shaft, but the grass winding on a mechanism with the increased grass winding radius is cut off during subsequent cleaning, and the grass winding is easy to wind at one position during the grass winding, so that the large grass winding radius at one position is extremely difficult to clean, and the grass winding problem of the cutter shaft can be avoided, but the problem of the grass winding during cleaning still needs to be solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent twining careless device for rice planting rotary cultivator, includes the frame, the equal fixedly connected with fixed plate in bottom both sides of frame, it is two sets of the opposite side of fixed plate all is connected with the arbor through bearing rotation, the middle part and the transmission case of arbor are connected, the top of transmission case is connected in the frame, the transmission case is run through at the middle part of arbor, evenly be provided with the blade holder on the outer wall of arbor, be provided with the cutter on the blade holder, evenly be provided with on the arbor and keep off careless mechanism, keep off and be connected with pine grass mechanism in the grass mechanism, and pine grass mechanism connects on the arbor.

Preferably, the grass blocking mechanism comprises two groups of grass blocking plates with the same structure, sawteeth are arranged on the sides, away from each other, of the two groups of grass blocking plates, rolling wheels are arranged on the opposite sides of the two groups of grass blocking plates, and supporting frames are connected to the opposite sides of the two groups of grass blocking plates.

Preferably, the support frame includes the bracing piece that two sets of structures are the same, and is two sets of the one end that the bracing piece is close to the arbor all articulates there is the sliding block, and is two sets of the equal sliding connection of sliding block is on the sliding block, fixed connection elastic expansion cylinder on the sliding block, fixedly connected with leading truck on the sliding block, the sliding seat that is located arbor tip and the equal fixed connection of elastic expansion cylinder are on the installation piece, and installation piece fixed connection is on the arbor, all the other the equal fixed connection of sliding seat and elastic expansion cylinder is on the blade holder.

Preferably, the guide frame comprises a supporting block fixedly connected to the sliding seat, a guide rod is fixedly connected to the supporting block, one end, far away from the supporting block, of the guide rod penetrates through the supporting rod, and a movable through groove matched with the guide rod is formed in the supporting rod.

Preferably, the grass loosening mechanism comprises a connecting bearing, an inner ring of the connecting bearing is fixedly connected to the cutter shaft, an arc-shaped bulge is uniformly arranged on the outer wall of the connecting bearing, the connecting bearing is in rolling connection with a rolling wheel through the arc-shaped bulge, and driving parts are fixedly connected to the two sides of the connecting bearing.

Preferably, the driving part comprises a gear fixedly connected to one side of the connecting bearing, the bottom of the gear is meshed with a driving gear, the driving gear is sleeved on a power shaft of the micro motor, the bottom of the micro motor is fixedly connected to the bottom of the supporting block, the top of the supporting block is connected with a guide gear through a bearing seat, and the guide gear is meshed with the gear.

Compared with the prior art, the invention has the beneficial effects that:

1. the grass blocking plate is arranged to increase the grass winding radius, so that excessive weeds are prevented from being wound on the cutter shaft, the connecting bearing is arranged, the driving gear drives the gear to rotate under the power of the micro motor, so that the connecting bearing rotates, the rotating speed of the connecting bearing is controlled to be different from that of the cutter shaft, the arc-shaped protrusion on the connecting bearing can jack up the grass blocking plate in a reciprocating mode through the rolling wheel, and therefore grass winding on the grass blocking plate can be continuously subjected to outward expansion force, and therefore grass winding becomes loose;

2. when twining the grass and removing, can directly be cut off by the sawtooth with twining the grass that the sawtooth contacted on the fender grass board to make the grass of twining on the fender grass board can be more loose, can avoid twining the grass through fender grass mechanism and twine on the arbor, then use through the cooperation of pine grass mechanism and make the grass of twining become loose, the compactness reduces, has reduced the grass of twining radius, thereby makes and to twine the grass very light when following the grass of twining on the clearance fender grass board.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic structural view at A of the present invention;

FIG. 4 is a schematic view of the structure of the present invention B.

In the figure: 1. a frame; 2. a fixing plate; 3. a cutter shaft; 4. a transmission case; 5. a tool apron; 6. a cutter; 7. a grass blocking mechanism; 71. a grass baffle; 72. saw teeth; 73. a rolling wheel; 74. a support frame; 741. a support bar; 742. a slider; 743. a sliding seat; 744. an elastic telescopic cylinder; 745. a guide frame; 7451. a support block; 7452. a guide bar; 746. mounting blocks; 8. a pine straw mechanism; 81. connecting a bearing; 82. an arc-shaped bulge; 83. a drive member; 831. a gear; 832. a drive gear; 833. a micro-motor; 834. and a guide gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: the utility model provides an anti-winding grass device for rice planting rotary cultivator, please refer to fig. 1 and fig. 2, which comprises a frame 1, the equal fixedly connected with fixed plate 2 in bottom both sides of frame 1, the opposite side of two sets of fixed plates 2 all is connected with arbor 3 through the bearing rotation, the middle part and the transmission case 4 of arbor 3 are connected, the top of transmission case 4 is connected in frame 1, transmission case 4 is run through at the middle part of arbor 3, evenly be provided with blade holder 5 on the outer wall of arbor 3, be provided with cutter 6 on the blade holder 5, evenly be provided with on the arbor 3 and keep off grass mechanism 7, be connected with pine grass mechanism 8 on keeping off grass mechanism 7, and pine grass mechanism 8 connects on arbor 3.

Referring to fig. 1, 2 and 3, the grass blocking mechanism 7 includes two sets of grass blocking plates 71 having the same structure, the grass blocking plates 71 can increase the grass winding radius, so as to prevent excessive weeds from being wound on the cutter shaft 3, saw teeth 72 are disposed on the sides of the two sets of grass blocking plates 71 away from each other, the saw teeth 72 can cut off the grass winding moving on the grass blocking plates 71, rolling wheels 73 are disposed on the opposite sides of the two sets of grass blocking plates 71, and support frames 74 are connected to the opposite sides of the two sets of grass blocking plates 71.

Referring to fig. 2 and 3, the supporting frame 74 includes two sets of supporting rods 741 with the same structure, one end of each of the two sets of supporting rods 741 close to the knife shaft 3 is hinged with a sliding block 742, the two sets of sliding blocks 742 are slidably connected to the sliding seat 743, the sliding block 742 is fixedly connected to an elastic telescopic cylinder 744, the elastic telescopic cylinder 744 has a restoring force, so that the rolling wheel 73 can roll on the connecting bearing 81 all the time, the sliding seat 743 is fixedly connected to a guiding frame 745, the sliding seat 743 and the elastic telescopic cylinder 744 at the end of the knife shaft 3 are fixedly connected to the mounting block 746, the mounting block 746 is fixedly connected to the knife shaft 3, and the other sliding seats 743 and the elastic telescopic cylinders 744 are fixedly connected to the knife rest 5.

Referring to fig. 2 and 3, the guide frame 745 includes a support block 7451 fixedly connected to the sliding seat 743, a guide rod 7452 is fixedly connected to the support block 7451, one end of the guide rod 7452 far from the support block 7451 penetrates through the support rod 741, and a movable through slot matched with the guide rod 7452 is disposed on the support rod 741, so as to improve the stability of the support rod 741 during movement.

Referring to fig. 3 and 4, the grass loosening mechanism 8 includes a connecting bearing 81, an inner ring of the connecting bearing 81 is fixedly connected to the cutter shaft 3, the connecting bearing 81 rotates relative to the cutter shaft 3, the outer wall of the connecting bearing 81 is uniformly provided with arc-shaped protrusions 82, the connecting bearing 81 is in rolling connection with the rolling wheel 73 through the arc-shaped protrusions 82, the connecting bearing 81 rotates, the arc-shaped protrusions 82 can push up the rolling wheel 73 in a reciprocating manner, the grass blocking plate 71 can move in a reciprocating manner, the grass winding radius of the grass blocking plate 71 is changed continuously, the grass winding radius is loosened, and driving members 83 are fixedly connected to two sides of the connecting bearing 81.

Referring to fig. 3 and 4, the driving member 83 includes a gear 831 fixedly connected to one side of the connecting bearing 81, a driving gear 832 is engaged with the bottom of the gear 831, the driving gear 832 is sleeved on a power shaft of the micro motor 833, the bottom of the micro motor 833 is fixedly connected to the bottom supporting block 7451, the micro motor 833 is controlled by a power switch and is externally connected to an external power supply, the driving gear 832 rotates by the operation of the micro motor 833, the gear 831 rotates, the connecting bearing 81 rotates on the knife shaft 3, the top supporting block 7451 is connected to a guide gear 834 through a bearing seat, the guide gear 834 is engaged with the gear 831, and the guide gear 834 plays a role in improving the stable rotation of the gear 831.

When the grass-winding device is used, the transmission case 4 drives the cutter shaft 3 to rotate, so that the cutter shaft 3 drives the cutter 6 on the cutter holder 5 to rotate, tillage can be started, weeds in the ground are wound on the grass blocking plate 71, the micro motor 833 works to rotate the driving gear 832 to rotate the gear 831, the connecting bearing 81 is further rotated on the cutter shaft 3, the rotating speed of the connecting bearing 81 is controlled to be different from that of the cutter shaft 3, the arc-shaped bulge 82 on the connecting bearing 81 can jack up the grass blocking plate 71 in a reciprocating mode through the rolling wheel 73, grass winding on the grass blocking plate 71 can be continuously subjected to outward expansion force, grass winding becomes loose, and grass winding radius of grass winding at the middle of the grass blocking plate 71 is continuously changed, can make and twine the grass and remove to both sides, it twines in one place easily to twine the grass when can avoiding twining the grass, the grass radius that twines that leads to one place is too big very difficult clearance, when twining the grass and removing to both sides, twine the grass with on the fender grass board 71 sawtooth 72 contact twine the grass can directly be cut off by sawtooth 72, thereby make and twine the grass on the fender grass board 71 and can be looser, twine the grass on fender grass board 71 through twining the grass, can avoid twining the grass and twine on arbor 3, then use through the cooperation of pine grass mechanism 8 and make and twine the grass and become loose, compactness reduces, twine the grass radius, thereby make and twine the grass very easily when twining on follow-up clearance fender grass board 71, have higher popularization prospect in the field of rice planting rotary cultivator.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent twining careless device for rice planting rotary cultivator, includes frame (1), its characterized in that: the straw loosening mechanism is characterized in that fixing plates (2) are fixedly connected to two sides of the bottom of the rack (1), cutter shafts (3) are rotatably connected to opposite sides of two groups of fixing plates (2) through bearings, the middle of each cutter shaft (3) is connected with a transmission box (4), the top of each transmission box (4) is connected to the rack (1), the middle of each cutter shaft (3) penetrates through the transmission box (4), cutter seats (5) are uniformly arranged on the outer wall of each cutter shaft (3), cutters (6) are arranged on the cutter seats (5), grass blocking mechanisms (7) are uniformly arranged on the cutter shafts (3), the grass blocking mechanisms (7) are connected with a grass loosening mechanism (8), and the grass loosening mechanisms (8) are connected to the cutter shafts (3);

the grass blocking mechanism (7) comprises two groups of grass blocking plates (71) with the same structure, sawteeth (72) are arranged on the sides, away from each other, of the two groups of grass blocking plates (71), rolling wheels (73) are arranged on the opposite sides of the two groups of grass blocking plates (71), and supporting frames (74) are connected to the opposite sides of the two groups of grass blocking plates (71);

the support frame (74) includes two sets of bracing pieces (741) that the structure is the same, and is two sets of one end that bracing piece (741) is close to arbor (3) all articulates there is sliding block (742), and is two sets of sliding block (742) all sliding connection is on sliding seat (743), fixed connection elastic expansion cylinder (744) on sliding block (742), fixedly connected with leading truck (745) on sliding seat (743), sliding seat (743) and elastic expansion cylinder (744) that are located arbor (3) tip all fixed connection are on installation piece (746), and installation piece (746) fixed connection is on arbor (3), all the other sliding seat (743) and elastic expansion cylinder (744) all fixed connection are on blade holder (5).

2. The anti-winding device for the rice planting rotary cultivator of claim 1, wherein: the guide frame (745) comprises a supporting block (7451) fixedly connected to the sliding seat (743), a guide rod (7452) is fixedly connected to the supporting block (7451), one end, far away from the supporting block (7451), of the guide rod (7452) penetrates through the supporting rod (741), and a movable through groove matched with the guide rod (7452) is formed in the supporting rod (741).

3. The anti-winding device for the rice planting rotary cultivator of claim 2, wherein: pine grass mechanism (8) are including connecting bearing (81), the inner circle fixed connection of connecting bearing (81) is on arbor (3), the outer wall of connecting bearing (81) evenly is provided with arc arch (82), and connects bearing (81) through arc arch (82) and rolling wheel (73) roll connection, the equal fixedly connected with driving piece (83) in both sides of connecting bearing (81).

4. The anti-winding device for the rice planting rotary cultivator of claim 3, wherein: the driving piece (83) comprises a gear (831) fixedly connected to one side of a connecting bearing (81), the bottom of the gear (831) is connected with a driving gear (832) in a meshed mode, the driving gear (832) is sleeved on a power shaft of a micro motor (833), the bottom of the micro motor (833) is fixedly connected to the bottom of the supporting block (7451) and the top of the supporting block (7451) is connected with a guide gear (834) through a bearing seat, and the guide gear (834) is meshed with the gear (831).