CN212615708U

CN212615708U - Lower link hinge seat and hydraulic oil cylinder hinge seat structure of tractor

Info

Publication number: CN212615708U
Application number: CN202021301643.7U
Authority: CN
Inventors: 郝明明; 王鹏; 万忠政; 刘亚闪; 刘超; 刘亮; 李小帅; 陈家法
Original assignee: Luoyang Intelligent Agricultural Equipment Research Institute Co Ltd
Current assignee: Luoyang Intelligent Agricultural Equipment Research Institute Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-26
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a lower link hinged seat and hydraulic cylinder hinged seat structure of tractor, including hanging the support, it includes preceding connecting plate, upper junction plate, interior plate, outer panel, neck bush, outer bush and intermediate plate to hang the support, preceding connecting plate and interior plate fixed connection, the fixedly connected with neck bush of interior plate, near one side of neck bush is provided with the intermediate plate, and a side of intermediate plate is provided with the outer panel, a side of outer panel is provided with the upper junction plate, be provided with the outer bush on the outer panel, the outer bush sets up with the neck bush is coaxial, and the lower link hinged seat and the hydraulic cylinder hinged seat of this tractor's lower link hinged seat and hydraulic cylinder hinged seat structure are each other integrative, and both pressures that receive offset each other, reduce its atress, effectively increase of service life; meanwhile, the lower link hinged seat and the hydraulic oil cylinder hinged seat can bear larger pressure, and the requirement that the tractor needs larger lifting force is met.

Description

Lower link hinge seat and hydraulic oil cylinder hinge seat structure of tractor

Technical Field

The utility model relates to a hang technical field, specifically be a tractor's articulated seat of lower link and hydraulic cylinder articulated seat structure.

Background

Tractors, which are the most widely used one of agricultural machines, have no alternative role in agricultural production. The tractor mainly carries out agricultural operation by hanging agricultural implements, and when different agricultural implements are hung, the use efficiency of the tractor is also different. The agricultural implement mainly depends on hanging the member to be connected with the tractor, and agricultural implement when operation and non-operation, will rely on to hang and descend and promote agricultural implement, and the main weight of agricultural implement concentrates on the lower link, therefore the tie point atress of tractor and suspension member is the biggest, and the articulated seat atress of lower link is the biggest promptly. The agricultural implement is lowered and lifted by operating the suspension rod member by means of shortening and extending the hydraulic oil cylinder, so that the hydraulic oil cylinder hinge seat for installing the hydraulic oil cylinder is greatly stressed. When the traditional tractor is designed, the lower pull rod hinged seat and the hydraulic oil cylinder hinged seat are connected to the rear axle or the whole tractor frame through bolts, the lower pull rod hinged seat and the hydraulic oil cylinder hinged seat are relatively independent, the bearing capacity of the tractor is limited, and the lower pull rod hinged seat and the hydraulic oil cylinder hinged seat are easy to damage in the using process of the tractor.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a lower link hinged seat and a hydraulic oil cylinder hinged seat structure of a tractor, wherein the lower link hinged seat and the hydraulic oil cylinder hinged seat are connected into a whole, and the two parts are mutually offset due to opposite pressure directions, thereby effectively prolonging the service lives of the lower link hinged seat and the hydraulic oil cylinder hinged seat; the problems in the background art can be effectively solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tractor's articulated seat of lower link and articulated seat structure of hydraulic cylinder, includes and hangs the support, it includes preceding connecting plate, upper junction plate, interior plate, outer panel, neck bush, outer bush and intermediate lamella to hang the support, preceding connecting plate and interior plate fixed connection, the fixedly connected with neck bush of interior plate, near one side of neck bush is provided with the intermediate lamella, and a side of intermediate lamella is provided with the outer panel, a side of outer panel is provided with the upper junction plate, be provided with the outer bush on the outer panel, the outer bush sets up with the axle center with the neck bush.

As the utility model discloses a preferred technical scheme, preceding connecting plate sets up with interior plate, intermediate lamella, outer panel and upper junction plate respectively perpendicularly, and interior plate and outer panel are parallel to each other, and intermediate lamella and upper junction plate are parallel to each other, and interior plate and outer panel are respectively with intermediate lamella and upper junction plate mutually perpendicular simultaneously.

As an optimal technical scheme of the utility model, be provided with locating pin hole and bolt mounting hole on the preceding connecting plate, the quantity of locating pin hole is at least two, and the quantity of bolt mounting hole is ten at least.

As a preferred technical scheme of the utility model, interior plate, outer panel, neck bush and outer liner correspond and are provided with first hydraulic cylinder mounting hole, second hydraulic cylinder mounting hole, third hydraulic cylinder mounting hole and fourth hydraulic cylinder mounting hole, first hydraulic cylinder mounting hole, second hydraulic cylinder mounting hole, third hydraulic cylinder mounting hole and fourth hydraulic cylinder mounting hole set up with one heart.

As a preferred technical scheme of the utility model, be provided with the second lower link mounting hole on being provided with first lower link mounting hole on the interior plate, the outer panel, first lower link mounting hole and second lower link mounting hole set up with the axle center.

As an optimal technical scheme of the utility model, be provided with hydraulic cylinder screw hole and lower link screw hole on the outer panel.

As an optimized technical scheme of the utility model, be provided with first screw hole on the upper junction plate.

Compared with the prior art, the beneficial effects of the utility model are that: the lower link hinged seat and the hydraulic oil cylinder hinged seat of the tractor are connected into a whole, when the hydraulic oil cylinder extends or shortens to lift or lower the lower link, the hydraulic oil cylinder forms downward pressure on the hydraulic oil cylinder hinged seat, the lower link forms upward pressure on the lower link hinged seat, the lower link hinged seat and the hydraulic oil cylinder hinged seat are integrated, the pressures borne by the lower link hinged seat and the hydraulic oil cylinder hinged seat are mutually offset, the stress is reduced, and the service life is effectively prolonged; meanwhile, the lower link hinged seat and the hydraulic oil cylinder hinged seat can bear larger pressure, and the requirement that the tractor needs larger lifting force is met.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a front connection plate;

FIG. 3 is a schematic structural view of an upper connecting plate;

FIG. 4 is a schematic structural view of the inner decking;

FIG. 5 is a schematic structural view of an outer panel;

FIG. 6 is a schematic view of the inner liner;

FIG. 7 is a schematic view of the outer liner;

fig. 8 is a schematic structural view of the intermediate plate.

In the figure: the mounting structure comprises a suspension support 1, a front connecting plate 2, a positioning pin hole 21, a bolt mounting hole 22, an upper connecting plate 3, a first threaded hole 31, an inner side plate 4, a first hydraulic oil cylinder mounting hole 41, a first pull rod mounting hole 42, an outer side plate 5, a second hydraulic oil cylinder mounting hole 51, a second lower pull rod mounting hole 52, a hydraulic oil cylinder threaded hole 53, a lower pull rod threaded hole 54, an inner bushing 6, a third hydraulic oil cylinder mounting hole 61, an outer bushing 7, a fourth hydraulic oil cylinder mounting hole 71 and a middle plate 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 (for convenience of description and understanding, the following description is made with the upper side of fig. 1 as the upper side). Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a lower link hinged seat and hydraulic cylinder hinged seat structure of a tractor comprises a hanging support 1, wherein the hanging support 1 comprises a front connecting plate 2, an upper connecting plate 3, an inner side plate 4, an outer side plate 5, an inner bushing 6, an outer bushing 7 and a middle plate 8, the front connecting plate 2, the inner side plate 4, the middle plate 8, the outer side plate 5 and the upper connecting plate 3 are vertically arranged in pairs, positioning pin holes 21 and bolt mounting holes 22 are formed in the front connecting plate 2, the number of the positioning pin holes 21 is at least two, the number of the bolt mounting holes 22 is at least ten, and the positioning pin holes 21 can enable positioning pins to ensure the positioning of the hanging support 1 on the tractor and ensure the mounting precision of each part of the hanging support 1 on the tractor; the bolt mounting hole 22 on the front connecting plate 2 can be used for connecting the device on a tractor by passing a bolt through the bolt mounting hole 22; the front connecting plate 2 is tightly attached to the tractor through the mounted bolts, and the friction force generated between the front connecting plate and the tractor counteracts part of the device to be pressed downwards, so that the bolts are prevented from being damaged by shearing force; the plurality of mounting bolts can ensure that the device cannot fall off from the tractor when the device is subjected to the pulling force from the lower pull rod to the rear of the whole vehicle; when the device is pressed downwards from a hydraulic oil cylinder and a lower pull rod, a positioning pin arranged in a positioning pin hole 21 can bear the downward pressure of the device, the positioning pin can bear the shearing force, a bolt is prevented from being subjected to the shearing force, meanwhile, under the fastening action of the bolt, friction force is generated between the device and a tractor, and the bolt is also prevented from being subjected to the shearing force, the front connecting plate 2 is fixedly connected with the inner side plate 4, the inner side plate 4 is fixedly connected with an inner bushing 6, a middle plate 8 is arranged near one side of the inner bushing 6, an outer side plate 5 is arranged on one side of the middle plate 8, an upper connecting plate 3 is arranged on one side of the outer side plate 5, a first threaded hole 31 is arranged on the upper connecting plate 3 and can be connected with the tractor through the bolt or parts on the tractor are arranged on the upper connecting plate, the outer bushing 7 and the inner bushing 6 are coaxially arranged, the inner side plate 4, the outer side plate 5, the inner bushing 6 and the outer bushing 7 are correspondingly provided with a first hydraulic oil cylinder mounting hole 41, a second hydraulic oil cylinder mounting hole 51, a third hydraulic oil cylinder mounting hole 61 and a fourth hydraulic oil cylinder mounting hole 71, the first hydraulic oil cylinder mounting hole 41, the second hydraulic oil cylinder mounting hole 51, the third hydraulic oil cylinder mounting hole 61 and the fourth hydraulic oil cylinder mounting hole 71 are concentrically arranged, the inner bushing 6 and the outer bushing 7 are respectively welded on the inner side plate 4 and the outer side plate 5, the phenomenon that after the hydraulic oil cylinders are installed, the hydraulic oil cylinders slide and damage parts due to the fact that no positioning is carried out along the axial directions of the mounting holes is avoided, a second threaded hole is designed on one side of the second hydraulic oil cylinder mounting hole 51 and used for fixedly installing the hydraulic oil cylinders, and when the hydraulic oil cylinders work, the pin shafts used for installing the hydraulic oil cylinders radially rotate or axially slide in The upper connecting plate 3 can reinforce the inner side plate 4 and the outer side plate 5, so that the inner side plate and the outer side plate are prevented from being deformed and damaged when being pressed by a hydraulic oil cylinder; meanwhile, the upper connecting plate 3 is provided with a plurality of threaded holes and can be connected with a tractor by bolts, so that the connecting point of the device and the tractor is increased, the strength of the device is improved, the middle plate 8 is positioned in the middle of the outer side plate 5, the inner side plate 4 and the outer side plate 5 are reinforced, and the device is prevented from being deformed and damaged under the pressure of a hydraulic oil cylinder and a lower pull rod; meanwhile, the middle plate 8, the front connecting plate 2, the upper connecting plate 3, the inner side plate 4 and the outer side plate 5 form a box-type structure, the strength of the device is effectively improved, a first lower pull rod mounting hole 42 is formed in the inner side plate 4, a second lower pull rod mounting hole 52 is formed in the outer side plate 5, and the first lower pull rod mounting hole 42 and the second lower pull rod mounting hole 52 are coaxially arranged; the outer side plate 5 is provided with a hydraulic oil cylinder threaded hole 53 and a lower pull rod threaded hole 54, the outer side plate 5 is provided with threaded holes for fixing a pin shaft used for installing a lower pull rod, the lower pull rod installation hole is prevented from being worn by the pin shaft used for installing the lower pull rod in the first pull rod installation hole 42 and the second pull rod installation hole 52 through radial rotation or axial sliding when the lower pull rod works, the lower half side line of the outer side plate 5 is arc-shaped, a structural form that the lower end section is small and the middle section is large is formed, the lower pull rod is prevented from interfering with the outer side plate 4 when the lower pull rod is in a lifting state, the inner side plate 4 and the outer side plate 5 are simultaneously subjected to downward pressure of the hydraulic oil cylinder and upward pressure of the lower pull rod, the upper connecting plate 3 and the middle plate 8 are connected with the inner side plate 4 and the outer side plate 5, so that the inner side plate 4 and the outer side plate 5 cannot, the stress of the two can be offset, and the service life of the device can be effectively prolonged.

The utility model discloses an integral type structure can effectual improvement device life, and hydraulic cylinder during operation, hydraulic cylinder form decurrent pressure to the articulated seat of hydraulic cylinder, and the lower link forms ascending pressure to the articulated seat of lower link, and the articulated seat of lower link and the articulated seat of hydraulic cylinder are each other integrative, and both pressures that receive offset each other, reduce its atress, effective increase of service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tractor's articulated seat of lower link and hydraulic cylinder articulated seat structure, includes and hangs support (1), hang support (1) including preceding connecting plate (2), upper junction plate (3), interior plate (4), outer panel (5), interior bush (6), outer bush (7) and intermediate lamella (8), its characterized in that: preceding connecting plate (2) and interior plate (4) fixed connection, the fixedly connected with neck bush (6) of interior plate (4), near one side of neck bush (6) is provided with intermediate lamella (8), and a side of intermediate lamella (8) is provided with outer panel (5), a side of outer panel (5) is provided with upper junction plate (3), be provided with outer bush (7) on outer panel (5), outer bush (7) and neck bush (6) are with the axle center setting.

2. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: preceding connecting plate (2) set up with interior plate (4), intermediate lamella (8), outer panel (5) and upper junction plate (3) respectively perpendicularly, and interior plate (4) and outer panel (5) are parallel to each other, and intermediate lamella (8) and upper junction plate (3) are parallel to each other, and interior plate (4) and outer panel (5) are respectively with intermediate lamella (8) and upper junction plate (3) mutually perpendicular simultaneously.

3. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: the front connecting plate (2) is provided with positioning pin holes (21) and bolt mounting holes (22), the number of the positioning pin holes (21) is at least two, and the number of the bolt mounting holes (22) is at least ten.

4. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: the inner side plate (4), the outer side plate (5), the inner bushing (6) and the outer bushing (7) are correspondingly provided with a first hydraulic oil cylinder mounting hole (41), a second hydraulic oil cylinder mounting hole (51), a third hydraulic oil cylinder mounting hole (61) and a fourth hydraulic oil cylinder mounting hole (71), and the first hydraulic oil cylinder mounting hole (41), the second hydraulic oil cylinder mounting hole (51), the third hydraulic oil cylinder mounting hole (61) and the fourth hydraulic oil cylinder mounting hole (71) are concentrically arranged.

5. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: the inner side plate (4) is provided with a first lower pull rod mounting hole (42), the outer side plate (5) is provided with a second lower pull rod mounting hole (52), and the first lower pull rod mounting hole (42) and the second lower pull rod mounting hole (52) are coaxially arranged.

6. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: the outer side plate (5) is provided with a hydraulic oil cylinder threaded hole (53) and a lower pull rod threaded hole (54).

7. The articulated seat structure of a tractor's drop link and hydraulic cylinder of claim 1, characterized in that: the upper connecting plate (3) is provided with a first threaded hole (31).