CN217048263U - Triplex row chassis structure of corn harvester - Google Patents

Abstract

The utility model discloses a three-row chassis structure of a corn harvester, which comprises a chassis body, an oil tank and an oil filler hole, wherein the oil tank is arranged on one side of the bottom end of the chassis body, the oil filler hole is arranged on the surface of the oil filler hole, the surface of the oil filler hole is provided with a protective structure, the protective structure comprises a protective cover attached to the surface of the outer side of the oil filler hole, four groups of first connecting rods arranged on the inner wall surface of the protective cover, a limiting block arranged at the tail end of each first connecting rod, four groups of first limiting grooves arranged on the surface of the outer side of the oil filler hole and a limiting plate arranged on the inner wall surface of each first limiting groove, and the surface of each limiting plate is provided with an arc-shaped groove which is gradually reduced towards the other side; through the protective structure who sets up etc, effectively avoided because the protective cover is connected through screw thread and oil filler point mostly, long-time back screw thread corrosion of using is difficult to the problem of taking off the protective cover, has improved the stability of device.

Description

Triplex row chassis structure of corn harvester

Technical Field

The utility model relates to a corn harvester technical field especially relates to a triplex row chassis structure of corn harvester.

Background

The corn harvester is a novel agricultural machine which is researched and developed aiming at novel energy development and reducing the labor intensity of farmers, shortens the labor cycle of the farmers, frees people from heavy physical labor, and can be provided with a three-row chassis structure at the bottom of the corn harvester.

In the in-service use process, the oil tank generally all can be installed to one side of current triplex row chassis structure of corn harvester, produce power drive corn harvester work through the liquefied natural gas that burns in the oil tank, in order to prevent the oil tank oil leak in the course of the work, can install the protective cover on the oil filler point of oil tank, but because the crop is big at the ripe later stage of milk or yellow ripe initial stage and behind the rain or crop straw humidity when early and late, the in-process drop of water that reaps can splash to the oil tank on, and because the protective cover is mostly through screw thread and oil filler point connection, long-time back screw thread corrosion of using, be difficult to take off the protective cover, the stability of device is not strong, for this triplex row chassis structure of corn harvester is proposed to us.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, the utility model provides a maize picker's triplex row chassis structure through the protective structure who sets up etc. makes the protective cover can not use the screw thread to be connected with the oil filler point, has avoided because the protective cover is connected through screw thread and oil filler point mostly, uses back screw thread corrosion for a long time, is difficult to the problem of taking off the protective cover, has improved the stability of device.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a triplex row chassis structure of corn harvester, includes chassis body, oil tank and oil filler point, chassis body bottom one side is provided with the oil tank, and the oil tank surface is provided with the oil filler point, the oil filler point surface is provided with protective structure, protective structure is including laminating at the oil filler point outside protective cover on the surface, set up at the protective cover inner wall four group's head rod on the surface, set up at the terminal stopper of head rod, set up at the oil filler point outside first spacing groove of four group on the surface and set up at the surperficial limiting plate of first spacing inslot wall, the arc wall that a side direction opposite side diminishes gradually has all been seted up to the limiting plate surface.

As a preferred technical scheme of the utility model, head rod and stopper all set up to cylindrically, the inner wall diameter of the less one side of the arc wall that the stopper plate surface was seted up is the same with the outer wall diameter of head rod, the inner wall diameter of the great one side of the arc wall that the stopper plate surface was seted up is the same with the outer wall diameter of stopper.

As a preferred technical scheme of the utility model, the stopper all sets up to cylindrical, first spacing groove all sets up to the arc wall with stopper interference fit.

As a preferred technical solution of the present invention, the surface of the outer wall of the oil filler hole is provided with four sets of locking structures corresponding to the protection structure, each locking structure includes four sets of spring grooves disposed on the surface of the outer wall of the oil filler hole, springs embedded in the spring grooves, a limiting rod penetrating through the inner side surface of the spring groove, the surface of the outer wall of the oil filler hole and the surface of the outer wall of the first limiting groove, a sleeve ring sleeved on the surface of the limiting rod, a second connecting rod disposed on the surface of the outer wall of the sleeve ring, a handle disposed at the end of the outer side of the second connecting rod, and a second limiting groove disposed on the surface of the outer wall of the limiting block, the limiting rod can be inserted into the second limiting groove, and the end of the limiting rod is set to be inclined;

u-shaped grooves are formed in the outer wall surfaces of the spring grooves, and the second connecting rods penetrate through the middle of the spring grooves.

As a preferred technical scheme of the utility model, the one end of spring is all laminated on the gag lever post outside surface, the other end of spring all sets up on the spring inslot wall surface.

As a preferred technical scheme of the utility model, the second connecting rod all sets up to cylindrically, the inner wall width in the U-shaped groove that the spring groove surface was seted up all is the same with the outer wall diameter of second connecting rod.

As an optimized technical proposal of the utility model, the surface of the handle is provided with anti-skid lines.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the protection structure and the like, the problem that the protection cover is difficult to take down due to the fact that the protection cover is mostly connected with the oil injection hole through threads and is corroded by the threads after long-time use is effectively solved, the protection cover is moved to enable the protection cover to drive the limiting block to be inserted into the first limiting groove through the first connecting rod, then the protection cover is rotated, the protection cover drives the limiting block to rotate under the limitation of the first limiting groove and the limiting plate, the limiting plate is matched with the first limiting groove to limit the position of the limiting block, the purpose of fixing the position of the protection cover without the threads is achieved, and the stability of the device is improved;

2. locking structure through the setting etc., effectively avoided protective structure to be touched by the people carelessly when idle, lead to the protective cover to drive the stopper at the inside rotation of first spacing inslot, the protective cover no longer carries out the separation to the oil filler point, the inside liquefied gas of oil tank can leak the problem, through removing the stopper, make the inclined plane of stopper extrusion gag lever post, the gag lever post is at income spring inslot portion under the stopper extrusion, the stopper removes to assigned position department after, the spring promotes the gag lever post and inserts the inside second spacing inslot portion, rotate the handle again, make the handle drive the gag lever post through the second connecting rod and rotate at the inside second spacing inslot portion, gag lever post cooperation second spacing groove restricts the position of stopper, thereby reach and carry out reinforced (rfd) purpose to the position of protective cover, the security of device has been improved.

Drawings

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

fig. 2 is a schematic view of a partial front sectional structure of the protective structure of the present invention;

fig. 3 is a schematic view of a partial front sectional structure of the locking structure of the present invention;

FIG. 4 is a schematic view of a partial front cross-sectional structure of the lock mechanism of the present invention in an unlocked state;

fig. 5 is an enlarged schematic view of the utility model at a in fig. 1;

fig. 6 is an enlarged schematic structural view of the utility model at the position B in fig. 3;

fig. 7 is an enlarged schematic structural diagram of the present invention at the position C in fig. 4.

Wherein: 1. a chassis body; 2. an oil tank; 3. an oil filler hole; 4. a protective structure; 41. a protective cover; 42. a first connecting rod; 43. a limiting block; 44. a first limit groove; 45. a limiting plate; 5. a locking structure; 51. a spring slot; 52. a spring; 53. a limiting rod; 54. a collar; 55. a second connecting rod; 56. a grip; 57. a second limit groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, which all belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

The embodiment is as follows:

please refer to fig. 1-7, a three-row chassis structure of corn harvester, including chassis body 1, oil tank 2 and oil filler point 3, 1 bottom one side of chassis body is provided with oil tank 2, and 2 surfaces of oil tank are provided with oil filler point 3, 3 surfaces of oil filler point are provided with protective structure 4, protective structure 4 is including laminating protective cover 41 on 3 outside surfaces of oil filler point, set up four groups of head rods 42 on the protective cover 41 inner wall surface, set up stopper 43 on head rod 42 end, set up four groups of first spacing grooves 44 on 3 outside surfaces of oil filler point and set up limiting plate 45 on the first spacing groove 44 inner wall surface, limiting plate 45 surface has all been seted up a side opposite side arc wall that diminishes gradually.

When protective cover 41 is used to needs, through removing protective cover 41, make protective cover 41 drive stopper 43 through first connecting rod 42 and remove, stopper 43 gets into first spacing groove 44 through the great one end of the arc wall that limiting plate 45 surface was seted up inside, rotate protective cover 41 again, make protective cover 41 drive stopper 43 through first connecting rod 42 and rotate inside first spacing groove 44, the less one end laminating of the arc wall that first connecting rod 42 outer wall surface and limiting plate 45 surface were seted up, make first spacing groove 44 cooperate limiting plate 45 to restrict the position of stopper 43, protective cover 41's position is fixed, make protective cover 41 can carry out the separation to oil filler point 3.

In other embodiments, the first connecting rod 42 and the limiting block 43 are both cylindrical, the diameter of the inner wall of the smaller side of the arc-shaped groove formed in the surface of the limiting plate 45 is the same as the diameter of the outer wall of the first connecting rod 42, and the diameter of the inner wall of the larger side of the arc-shaped groove formed in the surface of the limiting plate 45 is the same as the diameter of the outer wall of the limiting block 43;

through the design, the limiting block 43 can enter the first limiting groove 44 through the smaller side of the arc-shaped groove formed in the surface of the limiting plate 45, and meanwhile, when the limiting block 43 rotates to the smaller side of the arc-shaped groove formed in the surface of the limiting plate 45, the limiting plate 45 can cooperate with the first limiting groove 44 to limit the position of the limiting block 43, so that the purpose of adjusting and limiting the position of the limiting block 43 is achieved.

In other embodiments, the limiting blocks 43 are all configured to be cylindrical, and the first limiting grooves 44 are all configured to be arc-shaped grooves in interference fit with the limiting blocks 43;

through the design, the limiting block 43 can move and limit in the first limiting groove 44, so that the purpose of adjusting and limiting the position of the limiting block 43 is achieved.

In other embodiments, four sets of locking structures 5 corresponding to the protection structure 4 are disposed on the outer wall surface of the oil filler hole 3, each locking structure 5 includes four sets of spring grooves 51 disposed on the outer wall surface of the oil filler hole 3, springs 52 embedded in the spring grooves 51, a limiting rod 53 penetrating the inner side surface of the spring grooves 51, the outer wall surface of the oil filler hole 3 and the outer wall surface of the first limiting groove 44, a collar 54 fitted on the surface of the limiting rod 53, a second connecting rod 55 disposed on the outer wall surface of the collar 54, a handle 56 disposed on the outer end of the second connecting rod 55, and a second limiting groove 57 disposed on the outer wall surface of the limiting block 43, the limiting rods 53 can be inserted into the second limiting grooves 57, and the ends of the limiting rods 53 are all disposed in an inclined shape;

the outer wall surface of the spring groove 51 is provided with a U-shaped groove, and the second connecting rods 55 all penetrate through the middle part of the spring groove 51;

when the position of the limiting block 43 needs to be limited, the protecting cover 41 is rotated to drive the limiting block 43 to extrude the inclined surface of the limiting rod 53, the limiting rod 53 extrudes the spring 52 under the extrusion of the limiting block 43, the limiting rod 53 can be retracted into the spring groove 51, the limiting rod 53 drives the collar 54 to move, the collar 54 drives the second connecting rod 55 to move in the vertical part of the U-shaped groove formed on the outer wall surface of the spring groove 51, the limiting block 43 stops extruding the limiting rod 53 after moving to a specified position, the spring 52 elastically deforms and recovers, the spring 52 pushes the limiting rod 53 to insert into the second limiting groove 57, the handle 56 is rotated to drive the second connecting rod 55 to rotate to the transverse part of the U-shaped groove, meanwhile, the second connecting rod 55 drives the limiting rod 53 to rotate through the collar 54, and the inclined surface of the limiting rod 53 is perpendicular to the moving direction of the limiting block 43, when the position of the limiting block 43 needs to be released, the handle 56 is rotated to drive the second connecting rod 55 to rotate into the other vertical portion of the u-shaped groove, the limiting rod 53 is driven by the handle 56 to rotate to the position opposite to the rotation direction of the limiting block 43, the protecting cover 41 is rotated to drive the limiting block 43 to rotate in the opposite direction, the limiting block 43 drives the second limiting groove 57 to extrude the inclined surface of the limiting rod 53, the limiting rod 53 is moved out of the second limiting groove 57, the limiting rod 53 releases the position of the second limiting groove 57, and the protecting cover 41 releases the fixing.

In other embodiments, one end of the spring 52 is attached to the outer surface of the limiting rod 53, and the other end of the spring 52 is disposed on the inner wall surface of the spring slot 51;

through this design, make the distance between gag lever post 53 lateral surface and the spring groove 51 inner wall surface can shorten through extrusion spring 52, and gag lever post 53 does not influence gag lever post 53's normal rotation with gag lever post 53 fixed connection to reach the purpose of adjusting gag lever post 53's position.

In other embodiments, the second connecting rods 55 are all cylindrical, and the inner wall of the u-shaped groove formed on the surface of the spring groove 51 has the same diameter as the outer wall of the second connecting rods 55;

through the design, the second connecting rod 55 can move in the U-shaped groove formed on the outer wall surface of the spring groove 51, so that the purpose of driving the lantern ring 54 to rotate in the spring groove 51 through the second connecting rod 55 is achieved.

In other embodiments, the surface of the handle 56 is provided with anti-slip lines;

through the design, when a worker holds the limiting rod 53, the contact area between the palm and the surface of the limiting rod 53 is increased, and therefore the purpose of increasing the friction force generated between the palm and the surface when the limiting rod 53 is rotated is achieved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a triplex row chassis structure of corn harvester, includes chassis body (1), oil tank (2) and oil filler point (3), chassis body (1) bottom one side is provided with oil tank (2), and oil tank (2) surface is provided with oil filler point (3), its characterized in that: oil filler point (3) surface is provided with protective structure (4), protective structure (4) including laminating at oil filler point (3) outside protective cover (41) on the surface, set up at protective cover (41) inner wall four group head rod (42) on the surface, set up stopper (43) on head rod (42) end, set up at oil filler point (3) outside four group first spacing groove (44) on the surface and set up at first spacing groove (44) inner wall limiting plate (45) on the surface, a side direction opposite side arc wall that diminishes gradually has all been seted up on limiting plate (45) surface.

2. The three row chassis structure of a corn harvester of claim 1, wherein: the first connecting rod (42) and the limiting block (43) are all set to be cylindrical, the inner wall diameter of the smaller side of the arc-shaped groove formed in the surface of the limiting plate (45) is the same as the outer wall diameter of the first connecting rod (42), and the inner wall diameter of the larger side of the arc-shaped groove formed in the surface of the limiting plate (45) is the same as the outer wall diameter of the limiting block (43).

3. The three row chassis structure of a corn harvester of claim 1, wherein: the limiting blocks (43) are all arranged to be cylindrical, and the first limiting grooves (44) are all arranged to be arc-shaped grooves in interference fit with the limiting blocks (43).

4. The three-row chassis structure of the corn harvester according to claim 1, characterized in that: four groups of locking structures (5) which correspond to the protective structure (4) are arranged on the surface of the outer wall of the oil filling hole (3), the locking structure (5) comprises four groups of spring grooves (51) arranged on the surface of the outer wall of the oil filling hole (3), a spring (52) embedded in the spring grooves (51), a limiting rod (53) penetrating through the inner side surface of the spring grooves (51), the surface of the outer wall of the oil filling hole (3) and the surface of the outer wall of the first limiting groove (44), a lantern ring (54) sleeved on the surface of the limiting rod (53), a second connecting rod (55) arranged on the surface of the outer wall of the lantern ring (54), a handle (56) arranged at the tail end of the outer side of the second connecting rod (55) and a second limiting groove (57) arranged on the surface of the outer wall of the limiting block (43), the limiting rods (53) can be inserted into the second limiting grooves (57), and the tail ends of the limiting rods (53) are inclined;

u-shaped grooves are formed in the outer wall surfaces of the spring grooves (51), and the second connecting rods (55) penetrate through the middle portions of the spring grooves (51).

5. The three-row chassis structure of the corn harvester according to claim 4, wherein: one end of the spring (52) is attached to the outer side surface of the limiting rod (53), and the other end of the spring (52) is arranged on the inner wall surface of the spring groove (51).

6. The three row chassis structure of a corn harvester of claim 4, wherein: the second connecting rods (55) are all cylindrical, and the inner wall width of the U-shaped groove formed in the surface of the spring groove (51) is the same as the outer wall diameter of the second connecting rods (55).

7. The three row chassis structure of a corn harvester of claim 4, wherein: the surface of the handle (56) is provided with anti-skid grains.

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