CN210671241U

CN210671241U - Rear suspension hanging device of tractor

Info

Publication number: CN210671241U
Application number: CN201921345198.1U
Authority: CN
Inventors: 李伟伟
Original assignee: Shandong Donghao Machinery Technology Co ltd
Current assignee: Shandong Donghao Machinery Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-05
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a hang hooking device behind tractor, including support and tractor, the upper end of support is equipped with a stabilizer blade, the lower extreme of support is equipped with two stabilizer blades, and is three the outer wall of stabilizer blade all overlaps and is equipped with first rotation cylinder, be equipped with first slewing mechanism between first rotation cylinder and the stabilizer blade, the first connecting rod of the lateral wall fixedly connected with of the stabilizer blade of support upper end, two second connecting rods of the lateral wall fixedly connected with of two stabilizer blades of support lower extreme, first connecting rod left end is equipped with first slide, be equipped with the first slide bar that extends to first connecting rod outer wall in the first slide, through first spring elastic connection between the terminal of first slide bar and the first slide right side inner wall. The utility model discloses, the jolt that appears in the tractor goes is offset through the mutual rotation in first slewing mechanism and the second slewing mechanism, and the spring that wherein sets up can play very high buffering effect, reduces the tractor and jolts the torsional force that brings for the connecting rod.

Description

Rear suspension hanging device of tractor

Technical Field

The utility model relates to an agricultural mechanical equipment technical field especially relates to a rear suspension hooking device of tractor.

Background

When crops are planted, an agricultural implement is needed to save manpower. The common agricultural machine has a traction type, a semi-suspension type and a suspension type, and the traction type and the suspension type are the most widely used in China. The traction type machine tool has a complex structure, heavy weight and poor maneuverability, is mostly used for being matched with a high-power tractor and is hung on the tractor in a single-point mode, and all weight is borne by the traction machine tool during transportation; the suspension type machine is suitable for dry field cultivation of prepared rhizome of rehmannia in loam, sandy loam area, its simple in construction, light in weight, the mobility is good, the adaptive range of cultivation is great, the operating quality is good, the earth's surface is levelled, the performance of covering of the broken soil is good, the dead furrow is small, match with the tractor of the medium-low power too much, hitch with the tractor three-point, has saved manpower, time, has raised the cultivation efficiency, it is the necessary good material of peasant.

The ground running on the tractor during operation is generally rugged, so that the ground is greatly bumped during running, and the connecting rods at the three-point hitch are often twisted to reduce the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the suspension hooking device behind tractor who provides offsets the jolt that the tractor appears in going through the mutual rotation in first slewing mechanism and the second slewing mechanism, and the spring that wherein sets up can play very high buffering effect, reduces the tractor jolt for the distortion power that the connecting rod brought.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tractor rear suspension hanging device comprises a support and a tractor, wherein a support leg is arranged at the upper end of the support, two support legs are arranged at the lower end of the support, a first rotating cylinder is sleeved on the outer wall of each of three support legs, a first rotating mechanism is arranged between the first rotating cylinder and the support leg, a first connecting rod is fixedly connected to the side wall of the support leg at the upper end of the support, two second connecting rods are fixedly connected to the side walls of the two support legs at the lower end of the support, a first slide way is arranged at the left end of the first connecting rod, a first slide rod extending to the outer wall of the first connecting rod is arranged in the first slide way, the tail end of the first slide rod is elastically connected with the inner wall of the right side of the first slide way through a first spring, a middle pull rod is rotatably connected to the tail end of the other side of the first slide rod, the middle pull rod and the tail ends of the two lower pull rods are fixedly connected to the tail portion of the tractor, hanging equipment is arranged on the side wall of the support, and the hanging equipment is connected with the support through a second rotating mechanism.

Preferably, first rotation mechanism is including setting up the annular groove at the stabilizer blade outer wall, the inside of first rotation cylinder is equipped with the annular lug with annular groove matched with, the annular lug cover is established in the annular groove, the upper and lower extreme of annular lug all passes through second spring elastic connection with the upper and lower end of annular groove.

Preferably, the second slewing mechanism includes the installation piece that fixed connection articulates the equipment lateral wall, the opposite side lateral wall of installation piece is equipped with the second slide, be equipped with the second in the second slide and rotate the cylinder, the second rotates the terminal lateral wall fixed connection that extends to installation piece outer wall and support of cylindrical opposite side.

Preferably, the first sliding rod and the middle pull rod and the second connecting rod and the lower pull rod are rotatably connected through screws, and check bolts are arranged at the tail ends of the screws.

Preferably, a thrust roller bearing is installed between the second rotating cylinder and the second slideway.

Preferably, the mounting block is fixedly connected with the hitching equipment through a bolt.

The utility model discloses in, its beneficial effect does:

1. the first slewing mechanism who sets up, at the curved in-process of tractor, annular lug slides in the annular groove, reduces the tractor and turns the torsional force who brings for the connecting rod, reaches the effect of shake about the buffering under the effect of second spring.

2. The second slewing mechanism who sets up, the tractor when unevenness's road surface travel, the automobile body can be controlled and rocked, so the second rotates the cylinder and controls the rotation in the second slide, reaches the effect of buffering.

Drawings

Fig. 1 is a schematic structural view of a rear suspension hitch of a tractor according to the present invention;

fig. 2 is a left side view of a bracket of a rear suspension hitch of a tractor according to the present invention;

fig. 3 is a schematic view of a screw and a plug of the rear suspension hitch of a tractor according to the present invention.

In the figure: the device comprises a support 1, a middle pull rod 2, a lower pull rod 3, a first sliding rod 4, a second connecting rod 5, a first connecting rod 6, a first slideway 7, a first spring 8, a tractor 9, a supporting leg 10, an annular groove 11, a first rotating cylinder 12, an annular lug 13, a second spring 14, a second rotating cylinder 15, a second slideway 16, a thrust roller bearing 17, an installation block 18, a hanging device 19, a check bolt 20 and a screw 21.

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.

Referring to fig. 1-3, a tractor rear suspension hitch device comprises a support 1 and a tractor 9, the upper end of the support 1 is provided with a support leg 10, the lower end of the support 1 is provided with two support legs 10, the outer walls of three support legs 10 are all sleeved with a first rotating cylinder 12, a first rotating mechanism is arranged between the first rotating cylinder 12 and the support legs 10, the first rotating mechanism comprises an annular groove 11 arranged on the outer wall of the support leg 10, an annular convex block 13 matched with the annular groove 11 is arranged inside the first rotating cylinder 12, the annular convex block 13 is sleeved in the annular groove 11, the upper end and the lower end of the annular convex block 13 are elastically connected with the upper end and the lower end of the annular groove 11 through a second spring 14, in the process of bending the tractor 9, the annular convex block 13 slides in the annular groove 11, so that the torsional force brought to the middle pull rod 2 and the lower pull rod 3 by the turning of the tractor 9 is reduced, and the effect of buffering up-and-down shaking is achieved under the action of the second spring 14.

The side wall of a support leg 10 at the upper end of a support 1 is fixedly connected with a first connecting rod 6, the side walls of two support legs 10 at the lower end of the support 1 are fixedly connected with two second connecting rods 5, the left end of the first connecting rod 6 is provided with a first slideway 7, a first slide rod 4 extending to the outer wall of the first connecting rod 6 is arranged in the first slideway 7, the tail end of the first slide rod 4 is elastically connected with the inner wall at the right side of the first slideway 7 through a first spring 8, the tail end at the other side of the first slide rod 4 is rotatably connected with a middle pull rod 2, the tail ends at the other sides of the two second connecting rods 5 are rotatably connected with two lower pull rods 3, the tail ends of the middle pull rod 2 and the two lower pull rods 3 are fixedly connected with the tail part of a tractor 9, the side wall of the support 1 is provided with a hanging device 19, the hanging device 19 is connected, the opposite side lateral wall of installation piece 18 is equipped with second slide 16, is equipped with second rotation cylinder 15 in the second slide 16, and the opposite side end of second rotation cylinder 15 extends to the lateral wall fixed connection of 18 outer walls of installation piece and support 1, and tractor 9 is when unevenness's road surface is gone, and the automobile body can be controlled and rocked, and then second rotation cylinder 15 rotates about in second slide 16, reaches the effect of buffering.

The utility model discloses in, be connected with when hitching equipment 19 and travel when unsmooth unpassable road when tractor 9 rear end, it shakes about and rocks to articulate equipment 19 can, when articulating equipment 19 and shake from top to bottom, articulate 19 pulling of equipment and promote first slide bar 4 elastic sliding in first slide 7 under the effect of first spring 8, shake from top to bottom and the effect of buffering play, annular lug 13 slides from top to bottom in annular groove 11 under the effect of second spring 14 simultaneously, reach the effect of secondary buffering, when articulating equipment 19 and rocking from left to right, the second rotates cylinder 15 and carries out the circumferential rotation in the second slide 16 with articulating equipment 19 fixed connection's installation piece 18 in, reduce and articulate equipment 19 and rock the torsional force who brings for middle pull rod 2 and lower link 3 about.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a suspension hooking device behind tractor, includes support (1) and tractor (9), its characterized in that, the upper end of support (1) is equipped with one stabilizer blade (10), the lower extreme of support (1) is equipped with two stabilizer blades (10), and is three the outer wall of stabilizer blade (10) all overlaps and is equipped with first rotation cylinder (12), be equipped with first slewing mechanism between first rotation cylinder (12) and stabilizer blade (10), the first connecting rod (6) of lateral wall fixedly connected with of stabilizer blade (10) of support (1) upper end, two second connecting rods (5) of lateral wall fixedly connected with of two stabilizer blades (10) of support (1) lower extreme, first connecting rod (6) left end is equipped with first slide (7), be equipped with first slide bar (4) that extend to first connecting rod (6) outer wall in first slide (7), through first spring (8) elastic connection between the terminal of first slide bar (4) and first slide (7) right side inner wall The utility model discloses a tractor, the terminal rotation of opposite side of first slide bar (4) is connected with middle pull rod (2), two the terminal rotation of opposite side of second connecting rod (5) is connected with two lower link (3), the equal fixed connection in the afterbody of tractor (9) in end of middle pull rod (2) and two lower link (3), the lateral wall of support (1) is equipped with articulates equipment (19), articulate and be connected through the second slewing mechanism between equipment (19) and support (1).

2. A tractor rear suspension hitch device according to claim 1, characterized in that the first rotation mechanism comprises an annular groove (11) provided on the outer wall of the leg (10), an annular protrusion (13) fitted into the annular groove (11) is provided inside the first rotation cylinder (12), the annular protrusion (13) is fitted into the annular groove (11), and the upper and lower ends of the annular protrusion (13) and the upper and lower ends of the annular groove (11) are elastically connected by a second spring (14).

3. A tractor rear suspension hitch arrangement according to claim 1, characterized in that the second swivel mechanism comprises a mounting block (18) fixedly connected to a side wall of the hitch apparatus (19), a second slide way (16) is provided on the other side wall of the mounting block (18), a second swivel cylinder (15) is provided in the second slide way (16), and the other end of the second swivel cylinder (15) extends to the outer wall of the mounting block (18) and is fixedly connected to the side wall of the support frame (1).

4. A tractor rear suspension hitch arrangement according to claim 1, characterized in that the first slide bar (4) and the intermediate link (2) and the second link (5) and the lower link (3) are rotatably connected by means of a screw (21), the end of the screw (21) being provided with a non-return bolt (20).

5. A tractor rear suspension hitch arrangement, according to claim 3, characterized in that a thrust roller bearing (17) is mounted between the second rotating cylinder (15) and the second runner (16).

6. A tractor rear suspension hitch arrangement, as claimed in claim 3, characterized in that said mounting block (18) is fixedly connected to the hitch apparatus (19) by means of bolts.