阅读说明：本技术 农机具与拖拉机悬挂连接机构 (Suspension connecting mechanism for agricultural implement and tractor ) 是由 唐汉 徐常塑 王金武 刘子铭 王梓名 姜业明 于 2020-05-25 设计创作，主要内容包括：农机具与拖拉机悬挂连接机构属于农业机械；在三角形悬挂座体的下侧中间部位上插装带有轴承、动力输入花键轴和动力输出花键轴的内花键轴套,在轴承外环上固装轴座,在三角形悬挂座体的下侧和上侧部上分别通过油缸座B、拐轴座和油缸座A铰装调节双向液压油缸、曲拐轴和锁定双向液压油缸,在三角形悬挂座体中间部上通过支撑销轴安装钩形锁定板,驱动销轴将锁定双向液压油缸与钩形锁定板连接,上、下悬挂座固设在三角形悬挂座体前壁面上,设有锁定板孔的三角形悬挂连接体整体扣盖连接在三角形悬挂座体外部上成一体；本机构结构新颖、独特、合理,操作简易方便,连接效率高、速度快,连接可靠,使用安全,适用能力强。(A suspension connecting mechanism of an agricultural implement and a tractor belongs to agricultural machinery; an internal spline shaft sleeve with a bearing, a power input spline shaft and a power output spline shaft is inserted in the middle part of the lower side of a triangular suspension seat body, a shaft seat is fixedly arranged on an outer ring of the bearing, an adjusting bidirectional hydraulic cylinder, a crank shaft and a locking bidirectional hydraulic cylinder are respectively hinged on the lower side and the upper side part of the triangular suspension seat body through a cylinder seat B, a crank shaft seat and a cylinder seat A, a hook-shaped locking plate is arranged on the middle part of the triangular suspension seat body through a supporting pin shaft, a driving pin shaft connects the locking bidirectional hydraulic cylinder with the hook-shaped locking plate, an upper suspension seat and a lower suspension seat are fixedly arranged on the front wall surface of the triangular suspension seat body, and a whole buckle cover of a triangular suspension connector provided with locking plate; the mechanism has the advantages of novel, unique and reasonable structure, simple and convenient operation, high connection efficiency, high speed, reliable connection, safe use and strong applicability.)

1. The utility model provides an agricultural implement hangs coupling mechanism with tractor which characterized in that: an inner spline shaft sleeve (13) is inserted in the middle of the lower side of a triangular suspension base body (3) in a vertically and longitudinally movable manner, a bearing (7) is fixedly sleeved on the outer part of the inner spline shaft sleeve (13), a power input spline shaft (12) and a power output spline shaft (14) are respectively inserted and installed on the front end and the rear end of the inner spline shaft sleeve (13) in a front-back axial movement manner, a shaft seat (8) is fixedly installed on the outer ring of the bearing (7), an adjusting bidirectional hydraulic cylinder (6), a crank shaft (4) and a locking bidirectional hydraulic cylinder (11) are respectively hinged and installed on the lower side part and the upper side part of the triangular suspension base body (3) through an oil cylinder seat B (18), a crank shaft seat (19) and an oil cylinder seat A (15), two ends of the crank shaft (4) are respectively and rotatably inserted on the shaft seat (8) and the adjusting bidirectional hydraulic cylinder (6), a supporting pin shaft (10) is arranged in the middle of the triangular suspension base body (3), the hook-shaped locking plate (9) is rotatably sleeved on the supporting pin shaft (10), two ends of a driving pin shaft (20) are respectively inserted on the locking bidirectional hydraulic oil cylinder (11) and the hook-shaped locking plate (9), an upper suspension seat (2) is fixedly arranged on the front wall surface of the upper end of the triangular suspension seat body (3), and lower suspension seats (5) are respectively and fixedly arranged on the front wall surface of the lower end of the triangular suspension seat body (3) and are positioned at two side parts of the internal spline shaft sleeve (13) in a mutually symmetrical mode; a locking plate hole (16) is formed in a rear side plate (17) of the triangular suspension connecting body (1); the integral buckle cover of the triangular suspension connecting body (1) is connected with the outer part of the triangular suspension seat body (3) into a whole; the hook-shaped locking plate (9) is inserted into the locking plate hole (16) to lock the triangular suspension connecting body (1) and the triangular suspension seat body (3).

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a suspension connecting mechanism between an agricultural implement and a traction tractor.

Background

With the great improvement of the agricultural mechanized operation level in China, the large-scale agricultural operation machine and the large-scale traction power machine matched with the agricultural operation machine become reality. Therefore, the research and development design of a reliable and convenient suspension connecting mechanism between a large farm implement and a high-horsepower power machine also becomes a technical problem to be solved. The existing suspension connecting mechanism is labor-consuming in operation, poor in adaptability and single in technical scheme.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and researches and designs a novel structure of a suspension connecting mechanism of an agricultural implement and a tractor by combining the actual requirements of large-scale suspension connecting operation of the existing agricultural implement, so as to achieve the purposes of labor saving and convenience in operation, high suspension connecting efficiency, strong applicability and safe and reliable use.

The invention aims to realize that an inner spline shaft sleeve is inserted in the middle part of the lower side of a triangular suspension base body in a way of moving up and down and back and forth, a bearing sleeve is fixedly assembled on the outer part of the inner spline shaft sleeve in a matching way, a power input spline shaft and a power output spline shaft are respectively inserted and installed on the front end and the rear end of the inner spline shaft sleeve in a way of moving back and forth in an axial way, a shaft seat is fixedly installed on the outer ring of the bearing, an adjusting bidirectional hydraulic cylinder, a crank shaft and a locking bidirectional hydraulic cylinder are respectively hinged and installed on the lower side part and the upper side part of the triangular suspension base body through an oil cylinder seat B, a crank shaft seat and an oil cylinder seat A, two ends of the crank shaft are respectively and rotatably inserted on the shaft seat and the adjusting bidirectional hydraulic cylinder, a supporting pin shaft is assembled on the middle part of the triangular suspension base body, a hook-shaped locking plate is sleeved on the supporting pin, an upper suspension seat is fixedly arranged on the front wall surface of the upper end of the triangular suspension seat body, and lower suspension seats are fixedly arranged on the front wall surface of the lower end of the triangular suspension seat body and are symmetrically arranged at the two sides of the internal spline shaft sleeve; a locking plate hole is formed in the rear side plate of the triangular suspension connecting body; the integral buckle cover of the triangular suspension connecting body is connected with the outer part of the triangular suspension seat body into a whole; the hook-shaped locking plate is inserted into the locking plate hole to lock the triangular suspension connecting body and the triangular suspension base body, so that the suspension connecting mechanism of the agricultural implement and the tractor is formed.

The invention has novel, unique and reasonable structure, simple and convenient operation, high suspension connection efficiency, high speed, reliable connection and locking, good use safety and strong applicability, and provides a new mechanism for suspension matching connection between large-scale agricultural implements and traction tractors.

Drawings

FIG. 1 is a schematic view of the general structure of the agricultural implement and tractor suspension connection mechanism;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 1;

FIG. 4 is an exploded view of the agricultural implement and tractor hitch coupling arrangement;

FIG. 5 is a three-dimensional schematic view of a partial structure of a suspension connection mechanism of an agricultural implement and a tractor.

Description of part numbers in the figures:

1. triangular suspension connector, 2, upper suspension seat, 3, triangular suspension seat body, 4, crank shaft, 5, lower suspension seat, 6, adjusting bidirectional hydraulic oil cylinder, 7, bearing, 8, shaft seat, 9, hook-shaped locking plate, 10, supporting pin shaft, 11, locking bidirectional hydraulic oil cylinder, 12, power input spline shaft, 13, internal spline shaft sleeve, 14, power output spline shaft, 15, oil cylinder seat A, 16, locking plate hole, 17, rear side plate, 18, oil cylinder seat B, 19, crank shaft seat, 20 and driving pin shaft.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A kind of agricultural implement and tractor hangs the coupling mechanism, can insert the shaft sleeve 13 of the internal spline in the middle position of the underside of the triangle-shaped suspension base 3 up and down and fore-and-aft movement, the bearing 7 is fitted and fixed on the external portion of the shaft sleeve 13 of the internal spline, can insert and mount the power input spline shaft 12 and power output spline shaft 14 on the front, back end of the shaft sleeve 13 of the said internal spline respectively axially movably, fix the axle bed 8 on the outer loop of the said bearing 7, mount and regulate the two-way hydraulic cylinder 6, crank shaft 4 and lock the two-way hydraulic cylinder 11 on the lower lateral part and upper lateral part of the said triangle-shaped suspension base 3 through the oil cylinder seat B18, crank shaft seat 19 and oil cylinder seat A15 hinge separately, both ends of the said crank shaft 4 are inserted and regulated the two-way hydraulic cylinder 6 rotatably respectively, fit the supporting pin shaft 10 on the middle position of the said triangle-shaped suspension base, the hook-shaped locking plate 9 is rotatably sleeved on the supporting pin shaft 10, two ends of a driving pin shaft 20 are respectively inserted on the locking bidirectional hydraulic oil cylinder 11 and the hook-shaped locking plate 9, the upper suspension seat 2 is fixedly arranged on the front wall surface of the upper end of the triangular suspension seat body 3, and the lower suspension seats 5 are respectively and fixedly arranged on the front wall surface of the lower end of the triangular suspension seat body 3 and at the positions of two sides of the internal spline shaft sleeve 13 in a mutually symmetrical mode; a locking plate hole 16 is formed in a rear side plate 17 of the triangular suspension connecting body 1; the integral buckle cover of the triangular suspension connector 1 is connected with the outside of the triangular suspension seat body 3 into a whole; the hook-shaped locking plate 9 is inserted into the locking plate hole 16 to lock the triangular suspension connecting body 1 and the triangular suspension base body 3.

When in use, the triangular suspension base body 3 is arranged on the rear side part of the traction tractor by utilizing the connection of the upper suspension base 2 and the lower suspension base 5 with the three-point suspension bracket of the traction tractor, and a hydraulic system of the traction tractor is respectively communicated with the adjusting bidirectional hydraulic oil cylinder 6 and the locking bidirectional hydraulic oil cylinder 11; the triangular suspension connecting body 1 is fixedly arranged on the front part of the suspended agricultural implement. When in suspension connection, the triangular suspension seat body 3 is integrally inserted and clamped into the triangular suspension connecting body 1 from bottom to top by using a three-point suspension frame of a traction tractor, and the hook-shaped locking plate 9 is pushed to rotate on the triangular suspension seat body 3 around the supporting pin shaft 10 by using the extension of the locking bidirectional hydraulic oil cylinder 11 through the driving pin shaft 20, so that the hook-shaped locking plate 9 is inserted into the locking plate hole 16 on the rear side plate 17 of the triangular suspension connecting body 1, and the triangular suspension connecting body 1 is firmly and reliably locked on the triangular suspension seat body 3 to form a whole; the expansion of the bidirectional hydraulic oil cylinder 6 is adjusted and adjusted, the power input spline shaft 12 and the power output spline shaft 14 are driven by the crank shaft 4, the shaft seat 8, the bearing 7 and the internal spline shaft sleeve 13 to move up and down and back and forth relative to the triangular suspension base body 3, and after the positions are proper, the power input spline shaft 12 and the power output spline shaft 14 are respectively connected with the power output shaft of the traction tractor and the power input shaft of the agricultural implement, so that the suspension connection operation is completed.