CN212959718U

CN212959718U - Shaft transmission mechanism of corn planter

Info

Publication number: CN212959718U
Application number: CN202021277895.0U
Authority: CN
Inventors: 戴雪蓉; 邵克军; 代勇; 马鸣; 王帅峰
Original assignee: Mengcheng County Yutian Machinery Co ltd
Current assignee: Mengcheng County Yutian Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-13
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to an agricultural machinery equipment technical field specifically is a corn drill's axle drive mechanism, including telescopic shaft subassembly, transmission shaft pipe and chain, the sleeve pipe has been cup jointed to telescopic shaft subassembly's outside, the top of second sprocket is connected with the chain, the outside fixedly connected with protection machanism of chain, protection machanism includes the box, the right side fixedly connected with mount pad of box, the inside swing joint of mount pad has the turning block, the right side fixedly connected with telescopic link of turning block, the right side plug-in connection of telescopic link has the urceolus, the right side fixedly connected with bottom plate of urceolus, the shaft hole has been seted up on the right side of box, the right wall fixedly connected with hinge of box. The utility model discloses set up protection machanism, and the telescopic link with adjustable side adoption is fixed, not only can play the guard action to the chain, can also be suitable for the chain coupling mechanism of different angles, can reduce the chain and suffer the influence of outside object.

Description

Shaft transmission mechanism of corn planter

Technical Field

The utility model relates to the technical field of agricultural mechanical equipment, in particular to a shaft transmission mechanism of a corn planter.

Background

Appearance of corn drill has very big meaning in the agricultural history, and the appearance of seeder has replaced traditional manual work to plant, is transformed into semi-automatization formula seeding with it, and seeding efficiency is greater than the manual work far away, has witnessed the development of national agriculture also, and corn drill's core region is its axle drive mechanism just, and the axle drive system who has good protection machanism can bring very big facility for seeding work.

However, most shaft transmission mechanisms of the existing corn seeding machines adopt a chain mode for transmission, but the use of the chain can cause the influence of the transmission of the chain caused by objects such as soil on the way of the work, the adhesion of impurities on the chain can be caused, the transmission precision of the chain is reduced, the condition of chain jumping is caused, the seeding work is further influenced, in addition, the existing transmission shaft has the limitation of length in use, and the corn seeding machines cannot work.

Therefore, it is necessary to provide a shaft transmission mechanism of a corn planter to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corn drill's axle drive to propose in solving above-mentioned background art and do not possess chain protection mechanism and the unable problem of carrying out length adjustment of transmission shaft.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corn drill's axle drive mechanism, includes telescopic shaft subassembly, transmission shaft pipe and chain, the sleeve pipe has been cup jointed to telescopic shaft subassembly's outside, telescopic shaft subassembly's top fixedly connected with transmission shaft pipe, the first axis of rotation of right side fixedly connected with of transmission shaft pipe, the fixed second sprocket that has cup jointed in the top of first axis of rotation, the top of second sprocket is connected with the chain, the other end of chain is connected with first sprocket, the fixed second axis of rotation that has cup jointed in the inside of first sprocket, the outside fixedly connected with protection machanism of chain, protection machanism includes the box, the right side fixedly connected with mount pad of box, the inside swing joint of mount pad has the turning block, the right side fixedly connected with telescopic link of turning block, the right side plug-in connection of telescopic link has the urceolus, the right side fixedly connected with bottom, the right side of box has seted up the shaft hole, the right wall fixedly connected with hinge of box, the right side fixedly connected with frame of bottom plate.

Preferably, the telescopic shaft assembly comprises an outer shaft, the inner wall of the outer shaft is fixedly connected with a limiting block, an inner shaft is inserted into the outer shaft, a fixed block is arranged at the bottom of the inner shaft, springs are fixedly connected to two sides of the fixed block, and a supporting rod is fixedly connected to the other ends of the springs.

Preferably, the inner wall of the outer shaft is continuous circular arc-shaped, the bottom of the inner shaft is provided with a through hole, the middle of the inner shaft is fixedly connected with a fixing block, and the support rod is spherical.

Preferably, the outer shaft and the inner shaft are in plug connection, the supporting rod and the inner wall of the outer shaft are in plug connection, and the supporting rod and the inner shaft are in telescopic connection.

Preferably, the box is two-layer design about, and the left side of lower floor is provided with the couple, and the left side on upper strata is provided with the lacing film, the upper and lower floor of box is the rotation through the hinge and connects, the top of box is provided with the observation window, and is located the top in shaft hole.

Preferably, the mounting seat is provided with two sets, and the connecting parts are the same, the surface of telescopic link is provided with the screw hole, the surface of urceolus also is provided with the screw hole, and urceolus and telescopic link are the plug-in connection to fix through hex bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an outside cover at the chain has the guard plate, and adopts adjustable telescopic link to fix to the side, not only can play the guard action to the chain, can also adjust the guard plate, can be suitable for the chain coupling mechanism of different angles, and then can play certain guard action to the chain, reduces it and suffers the influence of outside object.

2. The utility model discloses a set the transmission shaft to adjustable state, through setting up inside and outside two-layer mechanism to lock it through spring chucking spare and adjust, and can realize the change of its length, and then can make its transmission that uses the seeder of different length use.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the telescopic shaft assembly of the present invention;

FIG. 3 is a schematic view of the protection mechanism of the present invention;

fig. 4 is a schematic view of the right-side structure of the protection mechanism of the present invention.

In the figure: 1. a telescopic shaft assembly; 101. an outer shaft; 102. a limiting block; 103. an inner shaft; 104. a fixed block; 105. a spring; 106. a strut; 2. a sleeve; 3. a driveshaft tube; 4. a first rotating shaft; 5. a protection mechanism; 501. a box body; 502. a mounting seat; 503. rotating the block; 504. a base plate; 505. an outer cylinder; 506. a telescopic rod; 507. a shaft hole; 508. a hinge; 6. a chain; 7. a second rotating shaft; 8. a first sprocket; 9. a frame; 10. a second sprocket.

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. 1-4, the present invention provides an embodiment:

the utility model provides a corn drill's axle drive mechanism, including telescopic shaft subassembly 1, transmission shaft pipe 3 and chain 6, sleeve pipe 2 has been cup jointed to telescopic shaft subassembly 1's outside, telescopic shaft subassembly 1's top fixedly connected with transmission shaft pipe 3, inside comprises the directive wheel, can turn to fore-and-aft rotation, realize telescopic shaft subassembly 1's rotation, the first axis of rotation 4 of right side fixedly connected with of transmission shaft pipe 3, second sprocket 10 has been fixedly cup jointed in the top of first axis of rotation 4, the top of second sprocket 10 is connected with chain 6, the other end of chain 6 is connected with first sprocket 8, the inside of first sprocket 8 is fixed and has been cup jointed second axis of rotation 7, the outside fixedly connected with protective mechanism 5 of chain 6, play the guard action to chain 6, and protective mechanism 5's inside is provided with the rubber pad, can reduce the production of frictional force and noise.

Protection machanism 5 includes box 501, the right side fixedly connected with mount pad 502 of box 501, the inside swing joint of mount pad 502 has turning block 503, the right side fixedly connected with telescopic link 506 of turning block 503, the right side grafting of telescopic link 506 is connected with urceolus 505, the right side fixedly connected with bottom plate 504 of urceolus 505, shaft hole 507 has been seted up on the right side of box 501, the right wall fixedly connected with hinge 508 of box 501, the right side fixedly connected with frame 9 of bottom plate 504, can realize the installation of different distances through the regulation of urceolus 505 with telescopic link 506, and through the rotation effect of turning block 503 with mount pad 502, can be suitable for the transmission installation of different angles.

The telescopic shaft assembly 1 comprises an outer shaft 101, a limiting block 102 is fixedly connected to the inner wall of the outer shaft 101, an inner shaft 103 is inserted into the outer shaft 101, a fixing block 104 is arranged at the bottom of the inner shaft 103, springs 105 are fixedly connected to two sides of the fixing block 104, a supporting rod 106 is fixedly connected to the other end of each spring 105, and when the telescopic shaft assembly is adjusted, the length of the telescopic shaft can be adjusted by directly pressing or pulling out the inner shaft 103, and during movement, the supporting rod 106 is retracted through elasticity of the springs 105, and when an arc-shaped concave part is encountered, ejection of the supporting rod 106 is naturally achieved through the springs 105, so that.

The inner wall of outer axle 101 is continuous circular-arc, the bottom of interior axle 103 is provided with the through-hole, and middle fixedly connected with fixed block 104, branch 106 is globular, convenient removal from top to bottom, and can not produce great resistance, lead to the removal difficulty, can make things convenient for the removal of interior axle 103 through its arc structure, outer axle 101 is plug-in connection with interior axle 103, branch 106 is plug-in connection with the inner wall of outer axle 101, through from top to bottom the pulling can, mainly realize fixed to it by branch 106, branch 106 is telescopic connection with interior axle 103, characteristic through spring 105, realize the flexible of branch 106, be convenient for stretch and fix.

Box 501 is two-layer design from top to bottom, and the left side of lower floor is provided with the couple, the left side on upper strata is provided with the lacing film, can close both, reduce vibrations, the upper and lower floor of box 501 is to rotate the connection through hinge 508, be convenient for the inspection and change internals, box 501's top is provided with the observation window, and be located the top in shaft hole 507, conveniently observe the meshing condition of chain 6 and second sprocket 10, whether the linkage is smooth and easy, mount pad 502 is provided with two sets ofly, and connecting element is also the same, the surface of telescopic link 506 is provided with the screw hole, the surface of urceolus 505 also is provided with the screw hole, and urceolus 505 is plug-in connection with telescopic link 506, and fix through hex bolts, can realize that it is flexible.

The working principle is as follows: the utility model is installed manually and is mainly driven by a motor, firstly, a first chain wheel 8 and a second chain wheel 10 of the device need to be installed, then, when the chain 6 is mounted and the guard mechanism 5 is further mounted, the bottom plate 504 is first fixed to the vehicle body frame 9, then, by further adjusting the distance between the outer cylinder 505 and the telescopic rod 506, the case 501 is mounted outside the second chain wheel 10, and wraps it, and further, the upper half of case 501 is attached by hinge 508, and when the attachment is completed, case 501 is fastened and fixed, and further, when in installation, the protection of the transmission chains with different angles can be realized through the rotation of the installation seat 502 and the rotating block 503, only the bottom plate 504 on one side needs to be fixed firstly, then, the installation at different angles can be realized by rotating, and then the bottom plate 504 at the other side is installed.

Further when installation telescopic shaft subassembly 1, can carry out the regulation of its length through the height of seeder, use with the seeder that is suitable for different length, only need axle 103 in the simple pulling, can realize the regulation on it, when axle 103 in the pulling, its inside branch 106 passes through spring 105's control, when meetting protruding, realize the shrink, when meetting sunken, stretch out branch 106, can realize fixing it with this, pull out corresponding distance with its length, again with both sides through the shaft coupling install on transmission central siphon 3 can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a corn drill's axle drive mechanism, includes telescopic shaft subassembly (1), transmission shaft pipe (3) and chain (6), its characterized in that: the telescopic shaft assembly is characterized in that a sleeve (2) is sleeved outside the telescopic shaft assembly (1), a transmission shaft tube (3) is fixedly connected to the top end of the telescopic shaft assembly (1), a first rotating shaft (4) is fixedly connected to the right side of the transmission shaft tube (3), a second chain wheel (10) is fixedly sleeved above the first rotating shaft (4), a chain (6) is connected to the upper side of the second chain wheel (10), a first chain wheel (8) is connected to the other end of the chain (6), a second rotating shaft (7) is fixedly sleeved inside the first chain wheel (8), a protection mechanism (5) is fixedly connected to the outside of the chain (6), the protection mechanism (5) comprises a box body (501), a mounting seat (502) is fixedly connected to the right side of the box body (501), a rotating block (503) is movably connected to the inside of the mounting seat (502), and a telescopic rod (506) is fixedly connected to the right side of the rotating, the right side of telescopic link (506) is pegged graft and is connected with urceolus (505), the right side fixedly connected with bottom plate (504) of urceolus (505), shaft hole (507) have been seted up on the right side of box (501), the right wall fixedly connected with hinge (508) of box (501), the right side fixedly connected with frame (9) of bottom plate (504).

2. The shaft transmission mechanism of the corn planter as claimed in claim 1, wherein: the telescopic shaft assembly (1) comprises an outer shaft (101), a limiting block (102) is fixedly connected to the inner wall of the outer shaft (101), an inner shaft (103) is inserted into the outer shaft (101), a fixing block (104) is arranged at the bottom of the inner shaft (103), springs (105) are fixedly connected to the two sides of the fixing block (104), and supporting rods (106) are fixedly connected to the other ends of the springs (105).

3. The shaft transmission mechanism of the corn planter as claimed in claim 2, wherein: the inner wall of the outer shaft (101) is in a continuous arc shape, the bottom of the inner shaft (103) is provided with a through hole, the middle of the inner shaft is fixedly connected with a fixing block (104), and the support rod (106) is spherical.

4. The shaft transmission mechanism of the corn planter as claimed in claim 2, wherein: the outer shaft (101) and the inner shaft (103) are in plug connection, the supporting rod (106) and the inner wall of the outer shaft (101) are in plug connection, and the supporting rod (106) and the inner shaft (103) are in telescopic connection.

5. The shaft transmission mechanism of the corn planter as claimed in claim 1, wherein: two-layer design about box (501) is, and the left side of lower floor is provided with the couple, and the left side on upper strata is provided with the lacing film, the upper and lower layer of box (501) is through hinge (508) and rotates the connection, the top of box (501) is provided with the observation window, and is located the top in shaft hole (507).

6. The shaft transmission mechanism of the corn planter as claimed in claim 1, wherein: the mounting seat (502) is provided with two sets of, and the connecting part is also the same, the surface of telescopic link (506) is provided with the screw hole, the surface of urceolus (505) also is provided with the screw hole, and urceolus (505) are plug-in connection with telescopic link (506) to fix through hexagon bolt.