CN216761676U

CN216761676U - Agricultural vehicle buffer device

Info

Publication number: CN216761676U
Application number: CN202220479797.8U
Authority: CN
Inventors: 李莲花; 王甲聚; 马啸晴; 赵金; 王蕊
Original assignee: Heilongjiang Agricultural Engineering Vocational College
Current assignee: Heilongjiang Agricultural Engineering Vocational College
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-06-17
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses an agricultural vehicle buffer device which comprises an installation frame, a guide shaft rod piece, support assemblies, a first spring and a second spring, wherein the guide shaft rod piece is installed at the outer end of the installation frame in a nested mode, 2 support assemblies are rotatably connected to the outer side of the guide shaft rod piece, guide wheels are installed on the outer sides of the support assemblies, a first air bag is connected to the inner surface of the installation frame in an adhesive mode, and an air conveying hose penetrates through the outer side of the first air bag. This agricultural vehicle buffer is provided with the supporting component from the activity, and when the device received the impact force of great degree, the guiding axle member that will make the interior shift drove spacing member through the haulage rope in step and moves down to break away from and the supporting component between the orientation state, and drive the activity work that forms certain angle through the second stay cord along with its atress degree's increase, and then let the external force of contact and device form certain power of staggering, make its stable outside carry out the pressure release and handle.

Description

Agricultural vehicle buffer device

Technical Field

The utility model relates to the technical field of agricultural vehicles, in particular to a buffer device of an agricultural vehicle.

Background

Agricultural vehicle is carrying out the in-process of work, needs the corresponding buffer of adaptation to protect the outside of vehicle, prevents to appear damaging the phenomenon at the in-process of work, but current agricultural vehicle buffer still has certain defect, just for example:

the existing agricultural vehicle buffer device cannot timely perform pressure relief treatment on the existing agricultural vehicle when contacting with large impact force, so that the pressure of direct contact of the existing agricultural vehicle buffer device causes large influence on a user, and the vehicle of the existing agricultural vehicle buffer device easily directly impacts the outside of a contact object, thereby causing serious follow-up injury to occur, further having large potential safety hazard and bringing great inconvenience to the user.

In order to solve the above problems, innovative design based on the structure of the original buffer device is urgently needed.

Disclosure of Invention

The utility model aims to provide a buffering device for an agricultural vehicle, which solves the problems that the buffering device in the background art cannot be subjected to pressure relief treatment in time when the buffering device is contacted with a large impact force, so that the pressure of direct contact of the buffering device on a user causes large influence, and a vehicle easily directly impacts the outer side of a contact object, so that serious subsequent injury occurs, and further, large potential safety hazard exists.

In order to achieve the purpose, the utility model provides the following technical scheme: a buffering device for an agricultural vehicle comprises a mounting frame, a guide shaft rod piece, supporting assemblies, a first spring and a second spring, wherein the guide shaft rod piece is installed at the outer end of the mounting frame in a nested mode, the outer side of the guide shaft rod piece is rotatably connected with 2 supporting assemblies, guide wheels are installed on the outer sides of the supporting assemblies, a first air bag is connected to the inner surface of the mounting frame in a bonding mode, an air conveying hose penetrates through the outer side of the first air bag and is in butt joint with the inner portion of the mounting frame, a first pull rope is in butt joint with the outer side of the guide shaft rod piece, the tail end of the first pull rope is in butt joint with a limiting rod piece, the limiting rod piece is in butt joint with the inner end of the mounting frame, and the first spring is installed on the inner side of the limiting rod piece;

the inboard of supporting component runs through and installs the connecting axle, the inner adhesive joint of mounting bracket has the second gasbag, and the butt joint each other of the end of second gasbag and gas transmission hose, the outside fixedly connected with swing joint pole of second gasbag, and the butt joint each other of the inner of swing joint pole and mounting bracket, it has the second spring to dock between mounting bracket and the supporting component.

Furthermore, the supporting assemblies are symmetrically distributed about the center of the mounting rack, the supporting assemblies form a sliding structure along the outer side of the mounting rack through the guide shaft rod pieces, guide wheels are distributed on the surfaces of the supporting assemblies at equal intervals, meanwhile, the guide shaft rod pieces and the first air bags form a pressing structure, and when the guide shaft rod pieces move inwards to a certain degree, the first air bags can be stably extruded.

Furthermore, the limiting rod piece forms a traction structure through the first pull rope and the guide shaft rod piece, the limiting rod piece forms a reset structure through the first spring along the inner side of the mounting frame, the limiting rod piece forms a supporting structure for the lower end of the supporting assembly, and when the limiting rod piece moves downwards to a certain degree, the supporting assembly can be stably driven to move downwards to carry out position angle movement.

Furthermore, the connecting shaft is provided with a torsion spring and a second pull rope, the torsion spring is embedded and installed on the outer side of the connecting shaft, the second pull rope is wound on the outer surface of the connecting shaft, and meanwhile the second pull rope is in butt joint with the tail end of the limiting rod piece.

Furthermore, the connecting shaft passes through torsion spring and forms reset structure along the inboard of supporting component, and the connecting shaft cooperation second stay cord forms with the end of spacing member and pulls the structure to spacing member is about the central symmetric distribution of supporting component, lets the spacing member atress in-process that moves to certain degree, and the activity work that can be stable inwards forms certain angle through the drive supporting component of second stay cord.

Furthermore, the movable connecting rod passes through the second gasbag and forms sliding support structure along the outside of mounting bracket, and the second gasbag passes through gas transmission hose and communicates with each other with first gasbag, lets the connecting rod that expanded second gasbag can promote the contact outwards carry out position activity in step and handles.

Compared with the prior art, the utility model has the beneficial effects that:

1. the agricultural vehicle buffer device is provided with movable connecting rods which are symmetrically distributed, and when the device is in contact with the medium impact force, the device enables the contacted supporting assembly to bear the impact force in advance, so that a pressing spring of the device moves inwards, and a guide shaft rod piece is matched to press a first air bag at the inner end, so that the device is matched with a second air bag to push 2 groups of movable connecting rods to move outwards to support the inner end of the supporting assembly, and the medium impact force is supported, decompressed and buffered;

2. this agricultural vehicle buffer is provided with the supporting component from the activity, and when the device received the impact force of great degree, the guiding axle member that will make the interior shift drove spacing member through the haulage rope in step and moves down to break away from and the supporting component between the orientation state, and drive the activity work that forms certain angle through the second stay cord along with its atress degree's increase, and then let the external force of contact and device form certain power of staggering, make its stable outside carry out the pressure release and handle.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the support assembly of the present invention;

FIG. 3 is a top cross-sectional view of the first bladder of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic top sectional view of the present invention.

In the figure: 1. a mounting frame; 2. a guide shaft rod member; 3. a support assembly; 4. a guide wheel; 5. a first air bag; 6. a gas hose; 7. a first pull cord; 8. a limiting rod piece; 9. a first spring; 10. a connecting shaft; 11. a torsion spring; 12. a second pull cord; 13. a second air bag; 14. a movable connecting rod; 15. a second spring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an agricultural vehicle buffer, includes mounting bracket 1, guiding axle member 2, supporting component 3, leading wheel 4, first gasbag 5, air hose 6, first stay cord 7, spacing member 8, first spring 9, connecting axle 10, torsion spring 11, second stay cord 12, second gasbag 13, swing joint pole 14 and second spring 15.

The outer end of the mounting frame 1 is provided with a guide shaft rod piece 2 in a nested mode, the outer side of the guide shaft rod piece 2 is connected with 2 supporting assemblies 3 in a rotating mode, the outer side of each supporting assembly 3 is provided with a guide wheel 4, the inner surface of the mounting frame 1 is connected with a first air bag 5 in an adhesive mode, the outer side of each first air bag 5 is provided with an air conveying hose 6 in a penetrating mode, the air conveying hoses 6 are mutually butted with the inner portion of the mounting frame 1, the outer side of the guide shaft rod piece 2 is butted with a first pull rope 7, the tail end of the first pull rope 7 is butted with a limiting rod piece 8, the limiting rod piece 8 is mutually butted with the inner end of the mounting frame 1, and meanwhile the inner side of the limiting rod piece 8 is provided with a first spring 9;

the inboard of supporting component 3 runs through and installs connecting axle 10, and the inner adhesive joint of mounting bracket 1 has second gasbag 13, and second gasbag 13 and the butt joint each other of the end of gas transmission hose 6, and the outside fixedly connected with swing joint pole 14 of second gasbag 13, and the butt joint each other of swing joint pole 14 and mounting bracket 1's the inner, and the butt joint has second spring 15 between mounting bracket 1 and the supporting component 3.

The supporting components 3 are symmetrically distributed about the center of the mounting frame 1, the supporting components 3 form a sliding structure along the outer side of the mounting frame 1 through the guide shaft rod pieces 2, guide wheels 4 are distributed on the surfaces of the supporting components 3 at equal intervals, and meanwhile the guide shaft rod pieces 2 and the first air bags 5 form a pressing structure. The limiting rod member 8 forms a traction structure with the guide shaft rod member 2 through the first pull rope 7, the limiting rod member 8 forms a reset structure along the inner side of the mounting frame 1 through the first spring 9, and the limiting rod member 8 forms a supporting structure for the lower end of the supporting assembly 3.

Supporting component 3 pressfitting second spring 15 moves inwards, and the activity of the inside negative pressure of cooperation guiding axle member 2 and supporting component 3 to 5 pressfittings of the first gasbag to inner, thereby make it carry out the air feed processing to second gasbag 13 inside through air hose 6, thereby cooperation second gasbag 13 promotes 2 movable connecting rod 14 of group and moves outwards and supports supporting component 3's inner, thereby supports the pressure release buffering work to the impact force of moderate degree.

The connecting shaft 10 is provided with a torsion spring 11 and a second pull rope 12, the torsion spring 11 is nested and installed on the outer side of the connecting shaft 10, the second pull rope 12 is wound on the outer surface of the connecting shaft 10, and meanwhile the second pull rope 12 is in butt joint with the tail end of the limiting rod 8. The connecting shaft 10 forms a reset structure along the inner side of the support assembly 3 through the torsion spring 11, the connecting shaft 10 cooperates with the second pull rope 12 to form a traction structure with the end of the limit rod 8, and the limit rod 8 is symmetrically distributed about the center of the support assembly 3. The movable connecting rod 14 forms a sliding support structure along the outside of the mounting frame 1 by the second air bag 13, and the second air bag 13 is communicated with the first air bag 5 by the air hose 6.

When the device received the impact force of great degree, 2 cooperation supporting component 3 of guiding axle member will be along the inside inward movement of mounting bracket 1 for the synchronous driving of the guiding axle member 2 that moves in moves down spacing member 8 through first stay cord 7, thereby break away from and the supporting component 3 between the orientation state, and along with its increase of atress degree, let spacing member 8 move down fast and drive supporting component 3 through second stay cord 12 and form the activity work of certain angle.

The working principle is as follows: when using this agricultural vehicle buffer, according to fig. 1-5, at first place the device in the position that needs carry out work, when the device received the impact force of great degree, 2 cooperation supporting component 3 of guiding axle member will be along the inside activity of mounting bracket 1, make the synchronous spacing member 8 that drives through first stay cord 7 of guiding axle member 2 of ingression move down, thereby break away from and supporting component 3 between the orientation state, and along with its increase of degree of stress, let spacing member 8 move down fast and drive supporting component 3 through second stay cord 12 and form the activity work of certain angle, and then let the external force cooperation leading wheel 4 of contact form certain staggered force with the device, make its stable outside carry out the pressure release and handle, whole practicality has been increased.

Those not described in detail in this specification are within the skill of the art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an agricultural vehicle buffer, includes mounting bracket (1), guiding axle member (2), supporting component (3), first spring (9) and second spring (15), its characterized in that: the outer end of the mounting frame (1) is provided with a guide shaft rod piece (2) in a nested mode, the outer side of the guide shaft rod piece (2) is connected with 2 supporting assemblies (3) in a rotating mode, guide wheels (4) are installed on the outer side of the supporting assemblies (3), the inner surface of the mounting frame (1) is connected with a first air bag (5) in a bonding mode, an air conveying hose (6) penetrates through the outer side of the first air bag (5), the air conveying hose (6) is in butt joint with the inside of the mounting frame (1), the outer side of the guide shaft rod piece (2) is in butt joint with a first pull rope (7), the tail end of the first pull rope (7) is in butt joint with a limiting rod piece (8), the limiting rod piece (8) is in butt joint with the inner end of the mounting frame (1), and meanwhile a first spring (9) is installed on the inner side of the limiting rod piece (8);

the inboard of supporting component (3) runs through and installs connecting axle (10), the inner adhesive joint of mounting bracket (1) has second gasbag (13), and the end of second gasbag (13) and gas transmission hose (6) docks each other, the outside fixedly connected with swing joint pole (14) of second gasbag (13), and the inner of swing joint pole (14) and mounting bracket (1) docks each other, it has second spring (15) to dock between mounting bracket (1) and supporting component (3).

2. The agricultural vehicle damping device of claim 1, wherein: supporting component (3) are around the central symmetry distribution of mounting bracket (1), and supporting component (3) form sliding structure through guiding axle member (2) along the outside of mounting bracket (1) to the surface of supporting component (3) is equidistant to be distributed has leading wheel (4), and guiding axle member (2) and first gasbag (5) form pressfitting structure simultaneously.

3. The agricultural vehicle damping device of claim 1, wherein: spacing member (8) form through first stay cord (7) and guiding axle member (2) and draw the structure, and spacing member (8) form reset structure through first spring (9) along the inboard of mounting bracket (1) to spacing member (8) form bearing structure to the lower extreme of supporting component (3).

4. The agricultural vehicle damping device of claim 1, wherein: the connecting shaft (10) is provided with a torsion spring (11) and a second pull rope (12), the torsion spring (11) is embedded and installed on the outer side of the connecting shaft (10), the second pull rope (12) is wound on the outer surface of the connecting shaft (10), and meanwhile the second pull rope (12) is in butt joint with the tail end of the limiting rod piece (8).

5. The agricultural vehicle damping device of claim 4, wherein: the connecting shaft (10) forms a reset structure along the inner side of the supporting assembly (3) through the torsion spring (11), the connecting shaft (10) is matched with the second pull rope (12) and the tail end of the limiting rod piece (8) to form a traction structure, and the limiting rod piece (8) is symmetrically distributed about the center of the supporting assembly (3).

6. The agricultural vehicle damping device of claim 1, wherein: the movable connecting rod (14) forms a sliding supporting structure along the outer side of the mounting rack (1) through the second air bag (13), and the second air bag (13) is communicated with the first air bag (5) through the air conveying hose (6).