CN111602480A

CN111602480A - Quick traction connecting device of traction type agricultural implement

Info

Publication number: CN111602480A
Application number: CN202010419705.2A
Authority: CN
Inventors: 王金武; 徐常塑; 唐汉; 王梓名; 刘子铭
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-09-01

Abstract

A quick traction connecting device of a traction type agricultural machine belongs to agricultural machinery; the device comprises an active traction seat body and a follow-up traction rod body, wherein the active traction seat body is formed by assembling a traction power mechanical connecting plate, a two-way hydraulic oil cylinder, a groove-shaped push-pull frame, a locking arm, a barrel-shaped outer shell, a pressure spring, a supporting frame, an arc-shaped wane, a limiting frame and a spherical connecting body; the device realizes the quick connection between the traction type agricultural implement and the traction power machine, and has the characteristics of novel, unique and reasonable structure, high connection operation efficiency, labor and force saving, good use performance and reliable use.

Description

Quick traction connecting device of traction type agricultural implement

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a quick traction connecting device of a traction type agricultural machine and a traction power machine.

Background

In recent years, with the continuous increase of the area of a single piece of land in China and the improvement of the level of agricultural mechanized operation, various large-scale traction type agricultural machines are successfully researched and developed, are widely popularized and applied in production operation, and play an active role in improving the agricultural mechanized operation efficiency and ensuring the operation quality. However, due to the structural design deficiency, when the large-scale traction type agricultural implement is connected with the traction tractor in a traction manner, the traction frame on the front side part of the large-scale agricultural implement must be manually lifted by manpower and continuously moved to be adjusted so as to align with the traction point on the rear side part of the traction tractor to complete the connection, which is labor-consuming, time-consuming and labor-consuming, i.e. labor waste, low operation efficiency and high labor intensity, is a technical problem to be solved.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and designs a quick traction connecting device for a traction type agricultural implement by combining the actual requirements of the connection of the current large traction type agricultural implement and a traction tractor, so that the aims of high connection operation efficiency, low labor intensity and labor saving are fulfilled.

The invention aims to realize that the quick traction connecting device of the traction type agricultural implement consists of an active traction seat body and a follow-up traction pull rod body, wherein the active traction seat body has the following structure: a bidirectional hydraulic oil cylinder, a support frame, a limiting frame and a spherical connector are fixedly arranged on a traction power machinery connecting plate with a bolt through hole A from front to back in sequence; a groove-shaped push-pull frame is mounted on the end head of the oil cylinder rod of the bidirectional hydraulic oil cylinder, a barrel-shaped outer shell and an arc-shaped wane are respectively and pivotally mounted on the upper side part and the lower side part of the support frame, a pressure spring shell is inserted and mounted in the barrel-shaped outer shell in an up-and-down moving manner, the pressure spring is inserted and mounted in the pressure spring shell, the upper end and the lower end of the pressure spring are respectively in extrusion contact fit with the barrel-shaped outer shell and the pressure spring shell, the lower end part of the pressure spring shell is in contact fit with the arc-shaped wane, a locking arm is fixedly mounted on the upper end part of the barrel-shaped outer shell, the front side part of the locking arm is inserted and mounted in a groove opening of the groove-shaped push-pull frame in a pulling and; the follow-up traction rod body structure is as follows: a traction arm is fixedly arranged on a traction machine connecting plate with a bolt through hole B, and a hemispherical connecting cover is fixedly arranged at the front end part of the traction arm; the hemispherical connecting cover is covered on the spherical connecting body in a universal rotating manner, the active traction seat body and the follow-up traction rod body are hinged into a whole, and the buckling cover between the hemispherical connecting cover and the spherical connecting body is matched and limited and locked by the rear end part of the locking arm.

The invention creates a connecting structure which adopts the hemispherical connecting cover to be covered on the spherical connecting body in a universal rotating way, and adopts the bidirectional hydraulic oil cylinder to drive the ground to limit and lock the structure, thereby ensuring the stability and the reliability of the matching of the hemispherical connecting cover and the spherical connecting body cover, realizing the quick connection between the traction type agricultural implement and the traction power machine, and having the characteristics of novel, unique and reasonable structure, high connecting operation efficiency, labor saving, good use performance and reliable use.

Drawings

FIG. 1 is a schematic view of the general structure of a quick-acting traction coupling device for a traction type agricultural implement;

FIG. 2 is a schematic view of the structure of the traction connection working state of the traction type agricultural implement quick traction connection device.

Description of part numbers in the figures:

A. the device comprises an active traction seat body, a follow-up traction rod body, a1, a two-way hydraulic oil cylinder, a 2, a groove-shaped push-pull frame, a 3, a pressure spring, a 4, a barrel-shaped outer shell, a 5, a locking arm, a 6, a limiting frame, a 7, a hemispherical connecting cover, a 8, a traction arm, a 9, a traction machine connecting plate, a 10, bolt through holes B and 11, a spherical connecting body, a12, bolt through holes A and 13, an arc-shaped wane, a 14, a traction power mechanical connecting plate, a 15, a support frame, a 16 and a pressure spring shell.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A quick traction connecting device of a traction type agricultural implement is composed of an active traction seat body A and a follow-up traction rod body B, wherein the active traction seat body A is structurally characterized in that: a bidirectional hydraulic oil cylinder 1, a support frame 15, a limiting frame 6 and a spherical connecting body 11 are fixedly arranged on a traction power mechanical connecting plate 14 with a bolt through hole A12 from front to back in sequence; a groove-shaped push-pull frame 2 is arranged on the end head of the oil cylinder rod of the bidirectional hydraulic oil cylinder 1, a barrel-shaped outer shell 4 and an arc-shaped wane 13 are respectively and pivotally arranged on the upper side part and the lower side part of the supporting frame 15, a pressure spring housing 16 is inserted into the barrel-shaped outer housing 4 so as to be movable up and down, the pressure spring 3 is inserted into the pressure spring housing 16, the upper end and the lower end of the pressure spring 3 are respectively in extrusion contact fit with the barrel-shaped outer shell 4 and the pressure spring shell 16, the lower end of the pressure spring shell 16 is in contact fit with the arc-shaped wane 13, a locking arm 5 is fixedly arranged on the upper end part of the barrel-shaped outer shell 4, the front side part of the locking arm 5 can be inserted and assembled in a groove opening of the trough-shaped push-pull frame 2 in a drawing and moving way, the rear side part of the locking arm 5 is in supporting contact fit or is separated from the supporting contact fit with the limiting frame 6; the follow-up traction rod body B is structurally characterized in that: a traction arm 8 is fixedly arranged on a traction machine connecting plate 9 with a bolt through hole B10, and a hemispherical connecting cover 7 is fixedly arranged at the front end part of the traction arm 8; the hemispherical connecting cover 7 is covered on the spherical connecting body 11 in a universal rotating manner, the active traction seat body A and the follow-up traction rod body B are hinged into a whole, and the rear end part of the locking arm 5 is matched with the covering between the hemispherical connecting cover 7 and the spherical connecting body 11 for limiting and locking.

When the device is used, firstly, the active traction seat body A is fixedly arranged on the rear side part of the traction power machine by utilizing the connection plate 14 of the traction power machine through the matching of the fastener and the bolt through hole A12, the follow-up traction pull rod body B is fixedly arranged on the front side part of the traction machine through the matching of the fastener and the bolt through hole B10 by utilizing the connection plate 9 of the traction machine, and a hydraulic system of the traction power machine is communicated with the bidirectional hydraulic oil cylinder 1. When the traction connection operation is carried out, the bidirectional hydraulic oil cylinder 1 is shortened, the locking arm 5 is enabled to rotate on the support frame 15 under the control and matching of the barrel-shaped outer shell 4 through the groove-shaped push-pull frame 2, the front side of the locking arm 5 descends, the rear side of the locking arm 5 rises and is separated from the support contact matching with the limiting frame 6, at the moment, a space is generated between the rear side of the locking arm 5 and the spherical connecting body 11 at the lower part of the locking arm 5, when the space size is up to enable the hemispherical connecting cover 7 to be inserted into the spherical connecting body 11 and covered on the spherical connecting body 11, the pressure spring shell 16 rotating along with the barrel-shaped outer shell 4 is extruded on the arc-shaped wane 13 under the action of the pressure spring 3, the arc-shaped wane 13 swings on the support frame 15; and (3) inserting the hemispherical connecting cover 7 on the follow-up pull rod body B between the locking arm 5 and the spherical connecting body 11 and covering the hemispherical connecting cover on the spherical connecting body 11 in a buckling manner, then extending the bidirectional hydraulic oil cylinder 1, enabling all parts to move reversely, supporting the rear side part of the locking arm 5 on the limiting frame 6, and then completing the limiting locking of the buckling cover matched between the hemispherical connecting cover 7 and the spherical connecting body 11 at the rear side part of the locking arm 5 to avoid tripping. At this time, the front side of the arc-shaped wane 13 descends, the rear side rises, and a supporting force is generated on the locking arm 5, so that the reliability of limiting locking is ensured. The spherical hinge connecting structure of the device enables the traction farm implement to complete and realize three-dimensional omnibearing compound motion relative to the traction power machine.

Claims

1. The utility model provides a pull-type agricultural implement pulls connecting device fast which characterized in that: the device consists of an active traction seat body (A) and a follow-up traction rod body (B), wherein the active traction seat body (A) has the following structure: a traction power mechanical connecting plate (14) with a bolt through hole A (12) is fixedly provided with a bidirectional hydraulic oil cylinder (1), a supporting frame (15), a limiting frame (6) and a spherical connecting body (11) from front to back in sequence; a groove-shaped push-pull frame (2) is arranged on the end head of an oil cylinder rod of the bidirectional hydraulic oil cylinder (1), a barrel-shaped outer shell (4) and an arc-shaped warping plate (13) are respectively and pivotally arranged on the upper side part and the lower side part of a supporting frame (15), a pressure spring shell (16) is inserted and arranged in the barrel-shaped outer shell (4) in a manner of moving up and down, a pressure spring (3) is inserted and arranged in the pressure spring shell (16), the upper end and the lower end of the pressure spring (3) are respectively in extrusion contact fit with the barrel-shaped outer shell (4) and the pressure spring shell (16), the lower end part of the pressure spring shell (16) is in contact fit with the arc-shaped warping plate (13), a locking arm (5) is fixedly arranged on the upper end part of the barrel-shaped outer shell (4), and the front side part of the locking arm (5) is inserted and moved in a groove opening of, the rear side part of the locking arm (5) is in supporting contact fit or is separated from the supporting contact fit with the limiting frame (6); the structure of the follow-up pulling rod body (B) is as follows: a traction arm (8) is fixedly arranged on a traction machine connecting plate (9) with a bolt through hole B (10), and a hemispherical connecting cover (7) is fixedly arranged at the front end part of the traction arm (8); the hemispherical connecting cover (7) is covered on the spherical connecting body (11) in a universal rotating manner, the active traction seat body (A) and the follow-up traction rod body (B) are hinged into a whole, and the rear end part of the locking arm (5) is matched with the covering between the hemispherical connecting cover (7) and the spherical connecting body (11) for limiting and locking.