阅读说明：本技术 一种拖拉机作业机械万向连接悬挂总成 (Universal connection suspension assembly for tractor operation machinery ) 是由 朱威威 刘薇薇 虞军 耿峰 于 2021-09-15 设计创作，主要内容包括：本发明涉及一种拖拉机作业机械万向连接悬挂总成,包括过桥总成,所述过桥总成设置有过桥叉,所述过桥叉一端连接有第一十字轴承,所述第一十字轴承连接有连接节叉,所述连接节叉连接有六键连接轴,所述过桥叉远离所述六键连接轴的一端连接有第二十字轴承,所述第二十字轴承连接有花键叉,所述花键叉连接有双向连接轴,所述双向连接轴上套接有轴承,所述轴承连接有第一轴套,所述第一轴套固定连接有第一总装,所述六键连接轴上设置有轴承,所述轴承连接有第二轴套,所述第二轴套固定连接有第二总装,所述第二横板与所述第一横板插接设置。本发明所述万向连接悬挂总成,提高了拖拉机与农机具工作时的可靠性,可获得较大的力矩,维修保养方便。(The invention relates to a universal connection suspension assembly of a tractor operating machine, which comprises a gap bridge assembly, wherein the gap bridge assembly is provided with a gap bridge fork, one end of the gap bridge fork is connected with a first cross bearing, the first cross bearing is connected with a connecting joint fork, the connecting joint fork is connected with a six-key connecting shaft, one end, far away from the six-key connecting shaft, of the gap bridge fork is connected with a second cross bearing, the second cross bearing is connected with a spline fork, the spline fork is connected with a bidirectional connecting shaft, a bearing is sleeved on the bidirectional connecting shaft, the bearing is connected with a first shaft sleeve, the first shaft sleeve is fixedly connected with a first assembly, the six-key connecting shaft is provided with the bearing, the bearing is connected with a second shaft sleeve, the second shaft sleeve is fixedly connected with a second assembly, and the second transverse plate is inserted and arranged with the first transverse plate. The universal connection suspension assembly improves the reliability of the tractor and the agricultural implement during working, can obtain larger torque and is convenient to maintain.)

1. The utility model provides a tractor operation machinery universal connection hangs assembly which characterized in that: the connecting device comprises a gap bridge assembly (1), wherein a gap bridge fork (101) is arranged on the gap bridge assembly (1), one end of the gap bridge fork (101) is connected with a first cross bearing (102), the first cross bearing (102) is connected with a connecting joint fork (103), the connecting joint fork (103) and the gap bridge fork (101) are arranged at 90 degrees, the connecting joint fork (103) is connected with a six-key connecting shaft (104), the connecting joint fork (103) and the six-key connecting shaft (104) are welded, one end, far away from the six-key connecting shaft (104), of the gap bridge fork (101) is connected with a second cross bearing (105), the second cross bearing (105) is connected with a spline fork (106), the spline fork (106) and the gap bridge fork (101) are arranged at 90 degrees, and the spline fork (106) is connected with a bidirectional connecting shaft (107),

the bearing (2) is sleeved on the bidirectional connecting shaft (107), the bearing (2) is connected with a first shaft sleeve (3), the bearing (2) is arranged in the first shaft sleeve (3) in a matching way, a shaft sleeve retainer ring is arranged in the middle of the bidirectional connecting shaft (107), the bearing (2) is fixed in the first shaft sleeve (3) by the shaft sleeve retainer ring for limiting, the first shaft sleeve (3) is fixedly connected with a first assembly (4),

the first assembly (4) is provided with a first vertical plate (401), the first vertical plate (401) is connected with a first horizontal plate (402), the first vertical plate (401) is perpendicular to the first horizontal plate (402), the first horizontal plate (402) is provided with 2 pieces, 2 pieces of the first horizontal plate (402) are arranged at intervals up and down, a through hole (4021) is formed in the surface of the first horizontal plate (402) far away from the first vertical plate (401), a sleeve (404) is arranged below the first horizontal plate (402) below the lower part, the sleeve (404) penetrates through the first vertical plate (401), a waist-shaped groove (4041) is formed in the surface of the sleeve (404) extending out of the first vertical plate (401), the waist-shaped groove (4041) penetrates through the sleeve (404), the sleeve (404) and a bidirectional tractor (107) are connected,

the six-key connecting shaft (104) is provided with a bearing (2), the bearing (2) is connected with a second shaft sleeve (5), the six-key connecting shaft (104) is provided with threads, the bearing (2) is locked and fixed in the second shaft sleeve (5) by adopting a nut for limiting, the second shaft sleeve (5) is fixedly connected with a second assembly (6),

the second assembly (6) is provided with a second vertical plate (601), the second vertical plate (601) is connected with a second horizontal plate (602), the second vertical plate (601) is perpendicular to the second horizontal plate (602), the second horizontal plate (602) is provided with 2 blocks, the 2 blocks of the second horizontal plate (602) are arranged at intervals up and down, a step hole (6021) is arranged on the surface of the second horizontal plate (602) far away from the second vertical plate (601), a bearing (2) is arranged in the step hole (6021), a cross rod (604) is arranged below the second vertical plate (601), the cross rod (604) and the second vertical plate (601) are arranged in a central symmetry manner, mounting blocks (605) are arranged at two ends of the cross rod (604), the 2 blocks of the mounting blocks (605) and a six-key connecting shaft (104) are connected with a machine,

the second transverse plate (602) is inserted into the first transverse plate (402), the through hole (4021) is arranged corresponding to the step hole (6021), and a step pin (7) is arranged in the through hole (4021) and the step hole (6021).

2. The tractor work machine gimbal link suspension assembly of claim 1, further comprising: the welding device is characterized in that a welding seat (8) is arranged on the first transverse plate (402), a welding pull rod (9) penetrates through the welding seat (8), one end of the welding pull rod (9) is provided with a pull ring (901) in a welding mode, and the other end of the welding pull rod is in threaded connection with the welding seat (8) and the first transverse plate (402).

3. The tractor work machine gimbal link suspension assembly of claim 1, further comprising: the first transverse plate (402) is vertically provided with a first side plate (403), the first side plate (403) is provided with 2 pieces, and the 2 pieces of first side plate (403) are respectively arranged on two sides of the first transverse plate (402).

4. The tractor work machine gimbal link suspension assembly of claim 1, further comprising: the second transverse plate (602) is vertically provided with a second side plate (603), the second side plate (603) is provided with 2 blocks, and the 2 blocks of the second side plate (603) are respectively arranged at two sides of the second transverse plate (602).

5. A tractor work machine gimbal link suspension assembly as claimed in claims 3 and 4, wherein: the protective cover is characterized in that a protective cover (10) is arranged on the first side plate (403) and the second side plate (603), a protective plate (1001) is arranged on the protective cover (10), a pressing plate (1002) is arranged at one end of the protective plate (1001), an angle plate (1003) is arranged at the other end of the protective plate (1001), the angle plate (1003) is fixed on the first side plate (403), a notch is formed in the angle plate (1003), the protective plate (1001) penetrates through the notch, the protective plate (1001) forms certain angle setting with the first side plate (403) and the second side plate (603), and the pressing plate (1002) is used for fixing the protective plate (1001) on the first side plate (403) and the second side plate (603).

6. The tractor work machine gimbal link suspension assembly of claim 1, further comprising: an oil hole (701) is formed in the center of the stepped pin (7), and a grease nipple (11) is arranged on the oil hole (701).

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a universal connection suspension assembly of a tractor operating machine.

Background

From the development of the current agricultural machinery, the agricultural machinery is continuously updated, and the connection mode between the tractor and the agricultural machinery is also continuously improved. The mechanism for connecting the tractor and the agricultural implement from the earliest is a simple lifting mechanism, and then the mechanism is developed into a three-point suspension mechanism, and then a hydraulic lifter is developed into a hydraulic suspension system and a semi-suspension system, and finally the current electric control hydraulic suspension system is developed. The connection mode of the tractor and the agricultural implement is continuously changed. But it is a point that the suspension system is a universal connection between the tractor and the implement.

The machine on the agricultural tractor needs to use with linkage in the during operation, and at present, the linkage on the agricultural tractor generally drives the rotary cultivator through last pull rod and lower link and goes up and down, goes up pull rod and lower link and generally rotates with upper and lower axle on the support and is connected, and when the tractor was marchd, the range that upper and lower axle on last pull rod, lower link and the support produced horizontal hunting is great, leads to upper and lower pull rod and upper and lower axle wearing and tearing seriously, life is short. In addition, the length of the upper pull rod can not be adjusted, so that the upper pull rod has limitation on angle adjustment of the rotary cultivator.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a universal connection suspension assembly of a tractor operating machine.

The invention adopts the following technical scheme:

the universal connection suspension assembly of the tractor operation machinery comprises a gap bridge assembly, wherein the gap bridge assembly is provided with a gap bridge fork, one end of the gap bridge fork is connected with a first cross bearing, the first cross bearing is connected with a connecting joint fork, the connecting joint fork and the gap bridge fork are mutually arranged at 90 degrees, the connecting joint fork is connected with a six-key connecting shaft, the connecting joint fork and the six-key connecting shaft are welded, one end of the gap bridge fork, which is far away from the six-key connecting shaft, is connected with a second cross bearing, the second cross bearing is connected with a spline fork, the spline fork and the gap bridge fork are mutually arranged at 90 degrees, the spline fork is connected with a bidirectional connecting shaft,

the bearing is sleeved on the bidirectional connecting shaft and connected with a first shaft sleeve, the bearing is arranged in the first shaft sleeve in a matching way, a shaft sleeve retainer ring is arranged in the middle of the bidirectional connecting shaft, the bearing is fixed in the first shaft sleeve by the shaft sleeve retainer ring for limiting, the first shaft sleeve is fixedly connected with a first assembly,

the first general assembly is provided with a first vertical plate, the first vertical plate is connected with a first transverse plate, the first vertical plate and the first transverse plate are vertically arranged, the first transverse plate is provided with 2 first transverse plates, the 2 first transverse plates are arranged at intervals up and down, a through hole is arranged on the surface of the first transverse plate far away from the first vertical plate, a sleeve is arranged below the first transverse plate and penetrates through the first vertical plate, a waist-shaped groove is arranged on the surface of the sleeve extending out of the first vertical plate and penetrates through the sleeve, and the sleeve is connected with a bidirectional tractor connecting shaft,

the six-key connecting shaft is provided with a bearing, the bearing is connected with a second shaft sleeve, the six-key connecting shaft is provided with threads, the bearing is locked and fixed in the second shaft sleeve by adopting the nut for limiting, the second shaft sleeve is fixedly connected with a second assembly,

the second assembly is provided with a second vertical plate, the second vertical plate is connected with a second transverse plate, the second vertical plate and the second transverse plate are vertically arranged, the second transverse plate is provided with 2 pieces, the 2 pieces of the second transverse plate are arranged at intervals up and down, a step hole is arranged on the surface of the second transverse plate far away from the second vertical plate, a bearing is arranged in the step hole, a cross rod is arranged below the second vertical plate and is arranged in central symmetry with the second vertical plate, mounting blocks are arranged at two ends of the cross rod, 2 mounting blocks and a six-key connecting shaft are connected with the machine,

the second transverse plate and the first transverse plate are arranged in an inserted mode, the through hole corresponds to the step hole, and a step pin is arranged in the step hole.

Furthermore, a welding seat is arranged on the first transverse plate, a welding pull rod penetrates through the welding seat, one end of the welding pull rod is provided with a pull ring in a welding mode, and the other end of the welding pull rod is in threaded connection with the welding seat and the first transverse plate.

Furthermore, first diaphragm is provided with first curb plate perpendicularly, first curb plate sets up 2, 2 first curb plate set up respectively in first diaphragm both sides.

Furthermore, the second diaphragm is provided with the second curb plate perpendicularly, the second curb plate sets up 2, 2 the second curb plate set up respectively in second diaphragm both sides.

Further, first curb plate, second curb plate are provided with the protection casing, the protection casing is provided with the guard plate, guard plate one end is provided with the clamp plate, the guard plate other end is provided with the angle board, the angle board is fixed in first curb plate, be provided with the notch on the angle board, the guard plate penetrates the notch sets up, the guard plate with first curb plate, second curb plate form certain angle setting, the clamp plate will the guard plate is fixed in on first curb plate, the second curb plate.

Furthermore, an oil hole is formed in the center of the stepped pin, and a grease nipple is arranged on the oil hole.

The invention has the beneficial effects that:

1. the universal connection suspension assembly is arranged between the tractor and the machine, so that universal power transmission is realized when the agricultural machine operates at a large-angle turning, and the tractor and the machine are prevented from being connected firmly through the left-right swinging of the first assembly and the second assembly and the universal transmission of the gap bridge assembly, so that the overall structure is simpler and the weight is light;

2. the universal transmission between the connecting shafts is designed, the mounting is convenient, the application range is wide, and the arrangement of the first assembly and the second assembly ensures that the whole suspension assembly has a stable structure;

3. the universal connection suspension assembly improves the reliability of the tractor when dragging agricultural implements to work, can obtain larger torque, and ensures that the tractor has simple transmission operation and convenient maintenance.

Drawings

FIG. 1 is a schematic structural view of a universal joint suspension assembly for a tractor operating machine according to the present invention;

FIG. 2 is a schematic structural view of a gap bridge assembly of the universal connection suspension assembly of the tractor operating machine according to the present invention;

fig. 3 is an exploded view of a tractor work machine gimbal suspension assembly according to the present invention.

In the figure: 1 gap bridge assembly, 101 gap bridge fork, 102 first cross bearing, 103 connecting joint fork, 104 six-key connecting shaft, 105 second cross bearing, 106 spline fork, 107 two-way connecting shaft, 2 bearing, 3 first shaft sleeve, 4 first assembly, 401 first vertical plate, 402 first horizontal plate, 4021 through hole, 403 first side plate, 404 sleeve, 4041 waist-shaped groove, 5 second shaft sleeve, 6 second assembly, 601 second vertical plate, 602 second horizontal plate, 6021 step hole, 603 second side plate, 604 cross bar, 605 mounting block, 7 step pin, oil hole 701, 8 welding seat, 9 welding pull rod, 901 pull ring, 10 protective cover, 1001 protective cover, 1002 protective plate, 1003 angle plate, 11 grease nipple.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention, and the terms "first", "second", and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance, and further, unless otherwise explicitly stated or defined, the terms "mounting", "connecting", and "connecting" are to be broadly construed, e.g., as being fixedly connected, detachably connected, or integrally connected, They may be mechanically, electrically, directly, indirectly through an intermediary, or be a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2, the universal connection suspension assembly of the tractor working machine comprises a gap bridge assembly 1, wherein the gap bridge assembly 1 is provided with a gap bridge fork 101, one end of the gap bridge fork 101 is connected with a first cross bearing 102, the first cross bearing 102 is connected with a connection yoke 103, the connection yoke 103 and the gap bridge fork 101 are arranged at 90 degrees, the connection yoke 103 is connected with a six-key connection shaft 104, the connection yoke 103 and the six-key connection shaft 104 are arranged in a welding manner, one end of the gap bridge fork 101 away from the six-key connection shaft 104 is connected with a second cross bearing 105, the second cross bearing 105 is connected with a spline fork 106, the spline fork 106 and the gap bridge fork 101 are arranged at 90 degrees, and the spline fork 106 is connected with a bidirectional connection shaft 107,

as shown in fig. 3, a bearing 2 is sleeved on the bidirectional connecting shaft 107, the bearing 2 is connected with a first shaft sleeve 3, the bearing 2 is arranged in the first shaft sleeve 3 in a matching manner, a shaft sleeve retaining ring is arranged in the middle of the bidirectional connecting shaft 107, the bearing 2 is fixed in the first shaft sleeve 3 by the shaft sleeve retaining ring for limiting, the first shaft sleeve 3 is fixedly connected with a first assembly 4,

as shown in fig. 1, the first assembly 4 is provided with a first vertical plate 401, the first vertical plate 401 is connected with a first horizontal plate 402, the first vertical plate 401 is perpendicular to the first horizontal plate 402, the first horizontal plate 402 is provided with 2 pieces, 2 pieces of the first horizontal plate 402 are arranged at intervals up and down, a through hole 4021 is arranged on the surface of the first horizontal plate 402 away from the first vertical plate 401, a sleeve 404 is arranged below the lower first horizontal plate 402, the sleeve 404 is arranged to penetrate through the first vertical plate 401, a waist-shaped groove 4041 is arranged on the surface of the sleeve 404 extending out of the first vertical plate 401, the waist-shaped groove 4041 is arranged to penetrate through the sleeve 404, the sleeve 404 and the bidirectional connecting shaft 107 are connected with a tractor,

the six-key connecting shaft 104 is provided with a bearing 2, the bearing 2 is connected with a second shaft sleeve 5, the six-key connecting shaft 104 is provided with threads, the bearing 2 is locked and fixed in the second shaft sleeve 5 by adopting the nut for limiting, the second shaft sleeve 5 is fixedly connected with a second assembly 6,

the second assembly 6 is provided with a second vertical plate 601, the second vertical plate 601 is connected with a second horizontal plate 602, the second vertical plate 601 is perpendicular to the second horizontal plate 602, the second horizontal plate 602 is provided with 2 blocks, the 2 blocks of the second horizontal plate 602 are arranged at intervals up and down, a step hole 6021 is arranged on the surface of the second horizontal plate 602 away from the second vertical plate 601, a bearing 2 is arranged in the step hole 6021, a cross rod 604 is arranged below the second vertical plate 601, the cross rod 604 and the second vertical plate 601 are arranged in a central symmetry manner, mounting blocks 605 are arranged at two ends of the cross rod 604, the 2 mounting blocks 605 and the six-key connecting shaft 104 are connected with the machine,

the second transverse plate 602 is inserted into the first transverse plate 402, the through hole 4021 corresponds to the step hole 6021, a step pin 7 is arranged in the through hole 4021 and the step hole 6021, and the first assembly 4 and the second assembly 6 are fixed by inserting the step pin 7 into the bearing 2, the first transverse plate 402 and the second transverse plate 602, so that the tractor drives the machine to realize universal transmission.

In practical application, a welding seat 8 is arranged on the first transverse plate 402, a welding pull rod 9 penetrates through the welding seat 8, one end of the welding pull rod 9 is welded with a pull ring 901, and the other end of the welding pull rod is in threaded connection with the welding seat 8 and the first transverse plate 402.

In practical application, the first transverse plate 402 is vertically provided with 2 first side plates 403, and the 2 first side plates 403 are respectively disposed on two sides of the first transverse plate 402.

In practical application, the second horizontal plate 602 is vertically provided with a second side plate 603, the second side plate 603 is provided with 2 blocks, and the 2 blocks of the second side plate 603 are respectively arranged at two sides of the second horizontal plate 602.

In practical application, the first side plate 403 and the second side plate 603 are provided with the protective cover 10, the protective cover 10 is provided with a protective plate 1001, one end of the protective plate 1001 is provided with a pressing plate 1002, the other end of the protective plate 1001 is provided with an angle plate 1003, the angle plate 1003 is fixed on the first side plate 403, a notch is formed in the angle plate 1003, the protective plate 1001 penetrates through the notch, the protective plate 1001 forms a certain angle with the first side plate 403 and the second side plate 603, and the protective plate 1001 is fixed on the first side plate 403 and the second side plate 603 by the pressing plate 1002.

In practical application, the center of the stepped pin 7 is provided with an oil hole 701, the oil hole 701 is provided with a grease nipple 11, and grease lubrication is input through the grease nipple 11.

The working principle is as follows:

the gap bridge assembly 1 is provided with a gap bridge fork 101, the gap bridge fork 101 is connected with a first cross bearing 102, the first cross bearing 102 is connected with a connecting yoke 103, the connecting yoke 103 is welded with a six-key connecting shaft 104, the six-key connecting shaft 104 is connected with a machine, the other end of the gap bridge fork 101 is connected with a second cross bearing 105, the second cross bearing 105 is connected with a spline fork 106, the spline fork 106 is connected with a bidirectional connecting shaft 107, and the bidirectional connecting shaft 107 is connected with a tractor, so that universal power transmission between the machine and the tractor is realized. The gap bridge assembly 1 is fixedly arranged between a first assembly 4 and a second assembly 6, the first assembly 4 and the second assembly 6 are arranged in a left-right swinging mode to drive the gap bridge assembly 1 to rotate, the tail end of the first assembly 4 is provided with a sleeve 404 and a tractor which are fixedly connected, the tail end of the second assembly 6 is provided with a cross rod 604, two ends of the cross rod 604 are provided with mounting blocks 605 and machine fixedly connected, the movable connection between a machine and the tractor is realized, and the gap bridge assembly 1 is effectively protected.

The universal connection suspension assembly is arranged between the tractor and the machine, so that multi-angle transmission of the tractor and the machine is realized. Through the left-right swinging of the first assembly 4 and the second assembly 6 and the universal transmission of the gap bridge assembly 1, the hard connection between the tractor and the machine is avoided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The front, back, left and right are not specific, but are used for more intuitively explaining the technical scheme without limitation. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.