CN214708865U

CN214708865U - Improved generation straw crops pickup

Info

Publication number: CN214708865U
Application number: CN202120473176.4U
Authority: CN
Inventors: 陈传海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-11-16
Anticipated expiration: 2031-03-04

Abstract

The utility model relates to the technical field of agricultural machinery, and discloses an improved straw crop pickup device, which comprises a transmission shaft, a pair of inner discs, a plurality of pickup assemblies, a pair of outer discs and a protective cover; the transmission shaft is in transmission connection with the power mechanism; a plurality of first bearings are uniformly arranged in the circumferential direction of the inner disc; the picking assembly comprises a picking roller, a pair of connecting pins, a pair of cranks and a plurality of elastic teeth, the two connecting pins are respectively inserted at two ends of the picking roller and fixed through bolts, and the single connecting pin respectively penetrates through the first bearing and is movably connected with one end of each crank; the two outer discs are respectively coaxially sleeved on the transmission shaft and are respectively positioned on the outer sides of the inner discs, the centers of the outer discs are provided with second bearings, and two ends of the transmission shaft respectively penetrate through the second bearings and are fixed with the inner rings of the second bearings. The utility model discloses be equipped with the bearing between transmission shaft and outer dish and between connecting pin and the inner disc respectively, avoided rotating the hard friction of in-process, reduced wearing and tearing, increased pickup stability and life.

Description

Improved generation straw crops pickup

Technical Field

The utility model relates to the technical field of agricultural machinery, concretely relates to improved generation straw crops pickup.

Background

With the development of modern agriculture, when crops with straws such as rice, wheat and corn are harvested, the harvester is adopted to replace the traditional manual harvesting mode for automatic harvesting, when the crops with long straws are harvested, the harvester is generally matched with the pickup device for use, the harvested crops are collected through the pickup device, and then the harvested crops are sent to the harvester for threshing.

Patent number ZL 201120544633.0 discloses a pickup for harvester, it rotates to drive the inner disc through the axis, thereby the inner disc drives the crankshaft rotation and realizes that the epaxial elastic tooth of bent axle picks up straw crops and delivers to the harvester and threshes, because the axis is that the cartridge is downthehole in the axis on the outer disc, the crankshaft cartridge is downthehole in the crankshaft on the inner disc, in the in-service use, axis and outer disc, be hard contact respectively between crankshaft and the inner disc, can appear serious wearing and tearing condition among the rotation process, poor stability, and the noise is bigger.

SUMMERY OF THE UTILITY MODEL

The serious problem of wearing and tearing between axis and outer dish, bent axle and the inner disc to above-mentioned pickup, the utility model provides a stability is good, and little straw is pickup for crops of wearing and tearing.

In order to solve the technical problem, the utility model provides an improved generation straw crops pickup, include:

the transmission shaft is in transmission connection with a power mechanism of the harvester;

the pair of inner discs are coaxially fixed on the transmission shaft respectively, a plurality of first mounting holes are uniformly formed in the inner discs in the circumferential direction, and first bearings are arranged at the single first mounting hole respectively;

the single picking assembly comprises a picking roller, a pair of connecting pins, a pair of cranks and a plurality of elastic teeth uniformly arranged along the length direction of the picking roller, the two connecting pins are respectively inserted at two ends of the picking roller and fixed through bolts, the single connecting pin respectively penetrates through a first bearing to be movably connected with one end of the crank, and the other end of the crank is provided with a group of bearing rollers;

the pair of outer discs are respectively coaxially sleeved on the transmission shaft and are respectively positioned on the outer sides of the inner discs, a second mounting hole is formed in the center of each outer disc, a track corresponding to the roller is arranged on one side opposite to the inner discs, a second bearing is arranged at the position of each second mounting hole, and two ends of the transmission shaft respectively penetrate through the second bearings and are fixed with the inner rings of the second bearings;

the two ends of the protective cover are respectively fixed on the two outer discs, and a plurality of avoiding grooves corresponding to the elastic teeth are arranged in the length direction of the protective cover.

Furthermore, a first sleeve is arranged on the connecting pin and between the first bearing and the pick-up roller.

Furthermore, a second sleeve is arranged on the transmission shaft and between the second bearing and the inner disc.

Further, the track comprises semicircle arc track and oval track, the orbital opening both ends of semicircle arc form the closed loop through oval track connection.

Further, it is single the bullet tooth includes a pair of pick-up tooth and connecting portion, singly the one end of picking up the tooth is equipped with spiral elastic construction, the other end and is the free end, two the spiral elastic construction who picks up the tooth passes through connecting portion and connects, the middle part of connecting portion is equipped with domes, domes passes through the bolt fastening and picks up on the roller.

Furthermore, the cross section of the protective cover is of a trapezoid structure with an open big end and a closed small end.

Further, the number of the first mounting holes and the picking assemblies is 4.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses be equipped with a bearing between transmission shaft and outer dish and between connecting pin and the inner disc respectively, avoided rotating the hard friction of in-process, reduced wearing and tearing, increased pickup stability and life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention,

FIG. 2 is a schematic structural view of the present invention based on FIG. 1, with the outer plate 4 and the protective cover 5 removed,

figure 3 is a schematic view of the structure of the pick-up assembly 3,

figure 4 is an enlarged view of a portion of i in figure 3,

figure 5 is a schematic view of the structure of the latch 34,

figure 6 is a structural schematic diagram of two inner discs 2 coaxially and fixedly arranged on a transmission shaft 1,

figure 7 is an exploded view of the present invention,

figure 8 is a schematic view of the structure of the outer disc 4,

the reference numbers are as follows:

the device comprises a transmission shaft 1, an inner disc 2, a first mounting hole 21, a first bearing 22, a pickup assembly 3, a pickup roller 31, a connecting pin 32, a crank 33, elastic teeth 34, pickup teeth 341, a connecting part 342, a spiral elastic structure 343, an arch structure 344, a roller 35, an outer disc 4, a second mounting hole 41, a track 42, a semi-arc track 421, an oval track 422, a second bearing 43, a protective cover 5, an avoiding groove 51, a first sleeve 6 and a second sleeve 7.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the utility model provides an improved generation straw crops pickup, including transmission shaft 1, a pair of inner disc 2, a plurality of subassembly 3 of picking up, a pair of outer dish 4 and protection casing 5, wherein:

the transmission shaft 1 is in transmission connection with a power mechanism of the harvester, and the power mechanism provides driving force to drive the transmission shaft 1 to rotate;

as shown in fig. 6, the two inner discs 2 are coaxially fixed on the transmission shaft 1 respectively and located at positions close to the end portions respectively, and the openings of the two inner discs 2 face the end portions of the transmission shaft 1, a plurality of first mounting holes 21 are uniformly formed in a single inner disc 2 in the circumferential direction respectively, and first bearings 22 are arranged at the positions of the single first mounting holes 21 respectively;

as shown in fig. 1 and 2, a plurality of picking assemblies 3 are movably assembled on the two inner discs 2 through the first mounting holes 21, the first mounting holes 21 on the two inner discs 2 should correspond to one another, and preferably, the number of the first mounting holes 21, the number of the first bearings 22 and the number of the picking assemblies 3 are all 4;

as shown in fig. 3, 4 and 7, a single picking assembly 3 includes a picking roller 31, a pair of connecting pins 32, a pair of cranks 33 and a plurality of elastic teeth 34 uniformly arranged along the length direction of the picking roller 31, the two connecting pins 32 are respectively inserted into two ends of the picking roller 31 and fixed by bolts, the single connecting pin 32 respectively passes through the first bearing 22 and is movably connected with one end of the crank 33, the connecting pin 32 is fixedly connected with the inner ring of the first bearing 22, the other end of the crank 33 is provided with a group of bearing rollers 35, and in order to increase the reliability of the connecting pin 32, a first sleeve 6 is arranged on the connecting pin 32 and between the first bearing 22 and the picking roller 31;

as shown in fig. 5, preferably, the single elastic tooth 34 includes a pair of pick-up teeth 341 and a connecting portion 342, one end of the single pick-up tooth 341 is provided with a spiral elastic structure 343, the other end is a free end, the spiral elastic structures 343 of the two pick-up teeth 341 are connected through the connecting portion 342, the middle portion of the connecting portion 342 is provided with an arch structure 344, the arch structure 344 is fixed on the pick-up roller 31 through a bolt, the arrangement of the spiral elastic structure 343 makes the elastic tooth 34 have certain elasticity, and in case of excessive resistance, the elastic tooth 34 can be properly buffered to prevent deformation or breakage;

the two outer discs 4 are coaxially sleeved on the transmission shaft 1 and located on the outer sides of the inner discs 2 respectively, second mounting holes 41 are formed in the centers of the outer discs 4, tracks 42 corresponding to the rollers 35 are arranged on one sides opposite to the inner discs 2, as shown in fig. 8, preferably, the tracks 42 are composed of semi-arc-shaped tracks 421 and oval-shaped tracks 422, two ends of an opening of each semi-arc-shaped track 421 are connected through the oval-shaped tracks 422 to form a closed loop, and when the crank 33 is actually used, the oval-shaped tracks 422 are located at the lower positions, so that the elastic teeth 34 are gradually contracted when the crank 33 rotates into the oval-shaped tracks 422, the elastic teeth 34 are prevented from being detached into the ground during rotation, the picking of straw crops is influenced, when the crank 33 rotates from the oval-shaped tracks 422 into the semi-arc-shaped tracks 421, the elastic teeth 34 gradually extend outwards, and the straw crops are picked up along with the upward rotation of the inner discs 2;

as shown in fig. 2 and 7, a second bearing 43 is arranged at the second mounting hole 41, two ends of the transmission shaft 1 respectively penetrate through the second bearing 43 and are fixed with an inner ring of the second bearing 43, similarly, second sleeves 7 are arranged on the transmission shaft 1 and between the second bearing 43 and the inner disc 2, through the arrangement of the second bearing 43, hard friction between the transmission shaft 1 and the outer disc 4 in the rotating process is prevented, and the positions of the outer disc 4 and the inner disc 2 are limited through the second sleeves 7, so that the outer disc 4 and the inner disc 2 are prevented from being tightly matched, and the roller 35 cannot smoothly run in the track 42;

as shown in fig. 1 and 7, two ends of the protection cover 5 are respectively fixed on the two outer discs 4, a plurality of avoiding grooves 51 corresponding to the elastic teeth 34 are arranged in the length direction of the protection cover 5, actually, the protection cover 5 also has the function of limiting the outer discs 4, because the two outer discs 4 are movably sleeved on the transmission shaft 1, the positioning can be realized only by respectively fixing the two ends of the protection cover 5, preferably, the cross section of the protection cover 5 is of a trapezoidal structure with a large-head opening and a small head closing, and two slope structures are formed.

The working principle is as follows: power unit drive transmission shaft 1 of harvester rotates, transmission shaft 1 drives inner disc 2 and rotates, inner disc 2 drives a plurality of subassembly 3 of picking up and rotates around transmission shaft 1, play tooth 34 on the pickup roller 31 will cut down the straw crop pick up in the ground, when rotating to protection casing 5 department, send the straw crop to the harvester along the slope structure of protection casing 5 and thresh in, pickup roller 31 rotates to in the protection casing 5, this is that corresponding crank 33 gets into oval track 422 by semi-circular arc track 421, pickup roller 31 takes place the rotation and makes bullet tooth 34 upwards pack up, prevent to play tooth 34 and insert ground, the influence is picked up, crank 33 gets into semi-circular arc track 421 by oval track 422, then pick up the bullet tooth on the roller 31 and progressively stretch out again and pick up, so circulate.

In the whole picking process, a bearing is respectively arranged between the transmission shaft 1 and the outer disc 4 as well as between the connecting pin 32 and the inner disc 2, so that hard friction is avoided, abrasion is reduced, and the stability and the service life of the picker are increased.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An improved generation straw crops pickup, its characterized in that includes:

the transmission shaft (1) is in transmission connection with a power mechanism of the harvester;

the pair of inner discs (2) are coaxially fixed on the transmission shaft (1) respectively, a plurality of first mounting holes (21) are uniformly formed in the circumferential direction of the inner discs, and first bearings (22) are arranged at the positions of the first mounting holes (21);

the plurality of picking assemblies (3) are movably assembled on the two inner discs (2) through first mounting holes (21), each picking assembly (3) comprises a picking roller (31), a pair of connecting pins (32), a pair of cranks (33) and a plurality of elastic teeth (34) uniformly arranged along the length direction of the picking roller (31), the two connecting pins (32) are inserted into two ends of the picking roller (31) respectively and fixed through bolts, each connecting pin (32) penetrates through a first bearing (22) to be movably connected with one end of each crank (33), and a group of bearing rollers (35) are arranged at the other end of each crank (33);

the pair of outer discs (4) are respectively coaxially sleeved on the transmission shaft (1) and are respectively positioned on the outer sides of the inner discs (2), a second mounting hole (41) is formed in the center of each outer disc (4), a track (42) corresponding to the roller (35) is arranged on one side opposite to the inner discs (2), a second bearing (43) is arranged at the position of each second mounting hole (41), and two ends of the transmission shaft (1) respectively penetrate through the second bearings (43) and are fixed with the inner rings of the second bearings (43);

and two ends of the protective cover (5) are respectively fixed on the two outer discs (4), and a plurality of avoiding grooves (51) corresponding to the elastic teeth (34) are arranged in the length direction of the protective cover (5).

2. The improved straw crop pickup as recited in claim 1, wherein: and a first sleeve (6) is arranged on the connecting pin (32) and between the first bearing (22) and the pickup roller (31).

3. The improved straw crop pickup as recited in claim 1, wherein: and a second sleeve (7) is arranged on the transmission shaft (1) and between the second bearing (43) and the inner disc (2).

4. The improved straw crop pickup as recited in claim 1, wherein: the track (42) comprises a semi-circular arc track (421) and an oval track (422), and the two ends of the opening of the semi-circular arc track (421) are connected through the oval track (422) to form a closed loop.

5. The improved straw crop pickup as recited in claim 1, wherein: singly bullet tooth (34) include a pair of pick-up tooth (341) and connecting portion (342), singly the one end of picking up tooth (341) is equipped with spiral elastic structure (343), the other end is the free end, two spiral elastic structure (343) of picking up tooth (341) are connected through connecting portion (342), the middle part of connecting portion (342) is equipped with domes (344), domes (344) are through the bolt fastening on picking up roller (31).

6. The improved straw crop pickup as recited in claim 1, wherein: the cross section of the protective cover (5) is of a trapezoidal structure with an open big end and a closed small end.

7. The improved straw crop pickup as recited in claim 1, wherein: the number of the first mounting holes (21) and the picking assemblies (3) is 4.