CN209806381U

CN209806381U - Fixed knot of seeder pear head constructs

Info

Publication number: CN209806381U
Application number: CN201920569483.5U
Authority: CN
Inventors: 唐小川
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2019-12-20
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a fixed knot of seeder pear head constructs, which comprises a base plate, base plate bottom central authorities department fixedly connected with fixed plate, the fixed plate cross-section is the rectangle, the symmetry is equipped with two second through-holes on the fixed plate, this device has used lever mechanism through diaphragm and hinge bar, so the pulling force to first threaded rod is bigger, and then it is more guaranteed to stabilize the fixing to the pear head, the fastness has been increased, reduce the not hard up condition of appearance in the in-process of seeding, the number of times of carrying out firm again to the pear head has been reduced, avoid unnecessary work content, the effectual seeding time of utilizing, accomplish more work in effectual time from this, and the lever structure through diaphragm and hinge bar has replaced traditional mechanism of fixing with screw and nut, the effectual lever mechanism that has utilized, the fastness of the fixed establishment that will be increased.

Description

Fixed knot of seeder pear head constructs

Technical Field

The utility model relates to a seed planter field specifically is a fixed knot of seeder pear head constructs.

Background

A planting machine for a planter uses crop seeds as planting objects. A seeder for a certain kind or a certain kind of crop, often the name of the crop kind, such as a grain drill, a corn hill planter, a cotton seeder, a pasture grass broadcaster and the like, the seeding is one of the measures for crop cultivation, and the seeding is specifically to sow seeds into a soil layer with a certain depth through a pear head cultivated land in due time according to a certain quantity and mode, but the existing seeder is in a region with a complicated land type, such as a region with concave parts and the like due to uneven land, so that the size and the direction of stress of the pear head are different, and the fixed structure of the pear head of the existing seeder has the following defects:

1. the pear head and the base plate of the existing seeder are not firmly fixed, and the pear head is likely to loosen in the seeding process, so that the times of fixing the pear head firmly again are more, the working efficiency is reduced, and manpower and material resources are wasted;

2. conventional fastening structures are generally strong for screws and nuts to be combined with each other, but such structures are not sufficiently strong and laborious to tighten.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed knot of seeder pear head constructs 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:

a fixing structure of a pear head of a seeder comprises a base plate, wherein a fixing plate is fixedly connected at the center of the bottom end of the base plate, the cross section of the fixing plate is rectangular, two second through holes are symmetrically arranged on the fixing plate, a fixing rod is fixedly connected at the center of the bottom end of the fixing plate, the two second through holes are symmetrically arranged at the two sides of the fixing rod, the bottom end of the fixing rod is fixedly connected with the pear head, blind holes are symmetrically arranged on the two opposite side walls of the fixing plate respectively, two fixing blocks are symmetrically arranged at the two sides of the fixing plate respectively, two threaded sleeves are fixedly connected at the bottom ends of the two fixing blocks respectively, a third threaded rod is in threaded connection with the two threaded sleeves, one end of the third threaded rod is fixedly connected with a handle, the other end of the third threaded rod extends into the blind holes and is in sliding connection with the blind holes, two, two sides of two first through-hole through-holes are equipped with two risers respectively, two riser bottoms respectively with base plate top fixed connection, it has two diaphragms to articulate through hinge device respectively on two risers, two openings have been seted up respectively to two diaphragm top one sides, two openings set up respectively in two riser both sides, two second threaded rods have inserted respectively in two openings, there are two first nuts on two second threaded rods respectively threaded connection, first nut bottom and diaphragm top laminating, two second threaded rod bottoms pass two openings respectively and base plate top fixed connection, two second threaded rod outer walls respectively with two opening inner wall sliding connection, two relative both sides of diaphragm articulate through hinge device respectively has two articulated rods, two articulated rod bottoms articulate through hinge device respectively have two first threaded rods, two first threaded rod bottoms pass two first through-hole through-holes respectively in proper order and two second through-hole threaded connection have two second threaded rod The nut, two second nut tops and the laminating of fixed plate bottom, hinge means comprises diaphragm, hinge bar, rotatory piece and T shape pole, the rotatory T shape pole that has inserted on the diaphragm, T shape pole is T shape pole, the inboard and the laminating of diaphragm one side of T shape pole horizontal pole, the T shape pole other end passes the diaphragm and stretches into the rotatory piece of hinge bar inner wall internal fixation connection, rotatory piece and hinge bar inner wall swivelling joint, T shape pole and diaphragm swivelling joint.

Preferably, the contact part of the third threaded rod and the threaded sleeve is threaded, the rest outer wall of the third threaded rod is not threaded, and the diameter of the first through hole is the same as that of the second through hole.

Preferably, the first nut diameter is greater than 2-3cm wider than the opening.

Compared with the prior art, the beneficial effects of the utility model are that: this device has used lever mechanism through diaphragm and articulated arm, so the pulling force to first threaded rod is bigger, and then it is more guaranteed to the firm fixed of pear head, the fastness has been increased, the in-process at the seeding reduces the condition that becomes flexible to appear, the number of times of carrying out firm again to the pear head has been reduced, avoid unnecessary work content, the effectual seeding time that utilizes, from this accomplish more work in effectual time, and the lever structure through diaphragm and articulated arm has replaced traditional mechanism of fixing with screw and nut, the effectual lever mechanism that has utilized, the fastness of the fixed establishment that will have been increased.

Drawings

Fig. 1 is a front view structure schematic diagram of a fixing structure of a pear head of a seeding machine.

Fig. 2 is a schematic structural view of a hinge device in a fixed structure of a pear head of a seeding machine.

In the figure: the novel pear head fixing device comprises a pear head 1, a first nut 2, a transverse plate 3, a vertical plate 4, a hinge rod 5, a hinge device 6, a first threaded rod 7, a second threaded rod 8, an opening 9, a base plate 10, a fixing plate 11, a handle 12, a third threaded rod 13, a threaded sleeve 14, a blind hole 15, a fixing block 16, a rotating block 17, a T-shaped rod 18, a second nut 19, a first through hole 20, a fixing rod 21 and a second through hole 22.

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.

Referring to fig. 1-2, in an embodiment of the present invention, a fixing structure for a pear head of a seeding machine includes a base plate 10, a fixing plate 11 is fixedly connected to a bottom center of the base plate 10, a cross section of the fixing plate 11 is rectangular, two second through holes 22 are symmetrically formed on the fixing plate 11, a fixing rod 21 is fixedly connected to the bottom center of the fixing plate 11, the two second through holes 22 are symmetrically formed on two sides of the fixing rod 21, the bottom end of the fixing rod 21 is fixedly connected to the pear head 1, blind holes 15 are symmetrically formed on two opposite side walls of the fixing plate 11, two fixing blocks 16 are symmetrically formed on two sides of the fixing plate 11, two threaded sleeves 14 are respectively fixedly connected to the bottom ends of the two fixing blocks 16, a third threaded rod 13 is threadedly connected to both ends of the two threaded sleeves 14, a handle 12 is fixedly connected to one end of the third threaded rod 13, and the other, two first through hole through holes 20 are symmetrically arranged on the base plate 10, the two first through hole through holes 20 are respectively arranged opposite to the axes of two second through holes 22, two vertical plates 4 are respectively arranged at two sides of the two first through hole through holes 20, the bottom ends of the two vertical plates 4 are respectively fixedly connected with the top end of the base plate 10, two transverse plates 3 are respectively hinged on the two vertical plates 4 through a hinging device 6, two openings 9 are respectively arranged at one side of the top ends of the two transverse plates 3, the two openings 9 are respectively arranged at two sides of the two vertical plates 4, two second threaded rods 8 are respectively inserted into the two openings 9, two first nuts 2 are respectively connected on the two second threaded rods 8 through threads, the bottom ends of the first nuts 2 are attached to the top end of the transverse plates 3, the bottom ends of the two second threaded rods 8 respectively penetrate through the two openings 9 to be fixedly connected with the top end of the base plate 10, two opposite sides of the two transverse plates 3 are respectively articulated with two articulated rods 5 through articulated devices 6, the bottom ends of the two articulated rods 5 are respectively articulated with two first threaded rods 7 through articulated devices 6, the bottom ends of the two first threaded rods 7 respectively penetrate through two first through hole through holes 20 and two second through holes 22 in sequence and are connected with two second nuts 19 in a threaded manner, the top ends of the two second nuts 19 are jointed with the bottom end of the fixed plate 11, the hinge device 6 consists of a transverse plate 3, a hinge rod 5, a rotating block 17 and a T-shaped rod 18, a T-shaped rod 18 is rotatably inserted on the transverse plate 3, the T-shaped rod 18 is a T-shaped rod, the inner side of the transverse rod of the T-shaped rod 18 is attached to one side of the transverse plate 3, the other end of the T-shaped rod 18 passes through the transverse plate 3 and extends into the inner wall of the hinge rod 5 to be fixedly connected with a rotating block 17, the rotating block 17 is rotatably connected with the inner wall of the hinge rod 5, and the T-shaped rod 18 is rotatably connected with the transverse plate 3.

The contact part of the third threaded rod 13 and the threaded sleeve 14 is threaded, the rest outer wall is not threaded, and the diameter of the first through hole 20 is the same as that of the second through hole 22.

The diameter of the first nut 2 is larger than the width of the opening 9 by 2-3 cm.

The working principle is as follows: the utility model relates to a fixed knot of seeder pear head constructs in the use, when needing to change the pear head 1, at first unscrew two first nuts 2 in proper order, at this moment two diaphragm 3 both ends loop through two openings 9 respectively by two second threaded rod 8 under the guide effect by the guide effect upward shown in figure 1, because diaphragm 3 and riser 4 are lever mechanism, so two diaphragm 3 other ends can be in proper order by figure 1 downward movement, at this moment two first threaded rod 7 also by figure 1 downward movement, thereby has lightened the pulling force on two first threaded rod 7 respectively, can later stage convenient unscrewing two second nuts 19 and unscrewing, secondly unscrew two third threaded rod 13 respectively through two handles 12, at this moment two third threaded rod 13 slide out from two blind holes 15 respectively, at this moment two third threaded rod 13 no longer to the restraint of fixed plate 11 in the rotation direction, finally, the two second nuts 19 are unscrewed, and then the fixing plate 11 is unscrewed from the first threaded rod 7, and then the fixing plate 11 is smoothly removed from the center of the bottom end of the substrate 10 along the guiding action of the two first through hole through holes 20, and the substrate 10 is the substrate of the existing equipment.

When the new pear head 1 is installed after the old pear head 1 is disassembled, the two first nuts 2 are unscrewed firstly, the two ends of the two transverse plates 3 are respectively moved to the highest positions, the other ends of the two transverse plates 3 are both moved to the lowest positions because the transverse plates 3 and the vertical plates 4 are lever mechanisms, at the moment, the two hinge rods 5 respectively push the two first threaded rods 7 downwards from the position shown in figure 1, the bottom ends of the two first threaded rods 7 respectively extend out of the bottom ends of the base plate 10 from the two first through hole through holes 20 to the maximum extent, then the two third threaded rods 13 are respectively unscrewed through the two handles 12, at the moment, the distance between the two opposite ends of the two third threaded rods 13 becomes the maximum effective distance, finally, the axle centers of the two holes on the fixing plate 11 of the new pear head 1 are respectively aligned with the axle centers of the two first threaded rods 7, the fixing plate 11 is respectively pushed upwards from the position shown in figure 1 along the two first threaded rods, and then the top end of the fixing plate 11 is attached to the base plate 10, and then two second nuts 19 are screwed on the bottom ends of the two first threaded rods 7, respectively, and further tightened, at this time, the two first nuts 2 are uniformly screwed in a crossed manner in sequence until the two first nuts 2 are tightened most, and because the transverse plate 3 and the hinge rod 5 are lever mechanisms, therefore, the pulling force on the first threaded rod 7 is larger, the stable fixation of the pear head 1 is more ensured, the firmness is increased, the loosening condition is reduced in the seeding process, the times of re-fixing the pear head 1 are reduced, unnecessary work content is avoided, the seeding time is effectively utilized, thereby more work is completed in effective time, and the lever structure through diaphragm 3 and articulated rod 5 has replaced the traditional mechanism of fixing with screw and nut, and effectual lever mechanism that has utilized has increased the fastness of fixed establishment.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a fixed knot of seeder pear head constructs, includes base plate (10), its characterized in that: the fixing plate (11) is fixedly connected with the bottom center of the base plate (10), the cross section of the fixing plate (11) is rectangular, two second through holes (22) are symmetrically arranged on the fixing plate (11), a fixing rod (21) is fixedly connected with the bottom center of the fixing plate (11), the two second through holes (22) are symmetrically arranged on two sides of the fixing rod (21), a pear head (1) is fixedly connected with the bottom end of the fixing rod (21), blind holes (15) are symmetrically arranged on two opposite side walls of the fixing plate (11) respectively, two fixing blocks (16) are symmetrically arranged on two sides of the fixing plate (11) respectively, two threaded sleeves (14) are fixedly connected with the bottom ends of the two fixing blocks (16) respectively, a third threaded rod (13) is connected with the inner part of the two threaded sleeves (14) through threads, and a handle (12, the other end of the third threaded rod (13) extends into the blind hole (15) and is in sliding connection with the blind hole (15), two first through hole through holes (20) are symmetrically arranged on the base plate (10), the two first through hole through holes (20) are respectively arranged opposite to the axes of the two second through holes (22), two vertical plates (4) are respectively arranged on two sides of the two first through hole through holes (20), the bottom ends of the two vertical plates (4) are respectively fixedly connected with the top end of the base plate (10), two transverse plates (3) are respectively hinged on the two vertical plates (4) through hinging devices (6), two openings (9) are respectively arranged on one side of the top ends of the two transverse plates (3), the two openings (9) are respectively arranged on two sides of the two vertical plates (4), two second threaded rods (8) are respectively inserted into the two openings (9), two first nuts (2) are respectively in threaded connection with the two second threaded rods (8), the bottom end of the first nut (2) is attached to the top end of the transverse plate (3), the bottom ends of the two second threaded rods (8) respectively penetrate through the two openings (9) to be fixedly connected with the top end of the base plate (10), the outer walls of the two second threaded rods (8) are respectively in sliding connection with the inner walls of the two openings (9), two opposite sides of the two transverse plate (3) are respectively hinged with the two hinge rods (5) through hinge devices (6), the bottom ends of the two hinge rods (5) are respectively hinged with the two first threaded rods (7) through the two first through hole through holes (20) and the two second through holes (22) in sequence, the bottom ends of the two first threaded rods (7) are respectively connected with the two second nuts (19) in a threaded mode, the top ends of the two second nuts (19) are attached to the bottom end of the fixed plate (11), and the hinge devices (6) are composed of the transverse plate (3), the hinge rods (5), a rotating, rotatory T shape pole (18) of having inserted on diaphragm (3), T shape pole (18) are T shape pole, T shape pole (18) horizontal pole inboard and diaphragm (3) one side laminating, T shape pole (18) other end passes diaphragm (3) and stretches into articulated rod (5) inner wall internal fixation and is connected with rotatory piece (17), rotatory piece (17) and articulated rod (5) inner wall swivelling joint, T shape pole (18) and diaphragm (3) swivelling joint.

2. The fixed knot of seeder pear head constructs of claim 1, characterized in that: the contact part of the third threaded rod (13) and the threaded sleeve (14) is threaded, the rest outer wall is unthreaded, and the diameter of the first through hole (20) is the same as that of the second through hole (22).

3. The fixed knot of seeder pear head constructs of claim 1, characterized in that: the diameter of the first nut (2) is larger than the width of the opening (9) by 2-3 cm.