阅读说明：本技术 一种水田拖拉机组合式前桥 (Combined front axle of paddy field tractor ) 是由 吴长荣 吴雁南 宋奕 彭倚天 郑竹安 石小龙 刘基冈 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种水田拖拉机组合式前桥,包括组合式前桥本体,在组合式前桥本体的中央设有中间衔接头,中间衔接头的两端对称设有连接臂A,连接臂A的内部设有连接臂B,连接臂B的一端端头设有主连接头,主连接头上设有连接盘体,主连接头与连接盘体的一侧表面中央固定连接,主连接头的上方设有衔接头A,连接盘体的外侧设有制动盘体,制动盘体的外表面设有配合连接柱,中间衔接头的上方设有双头液压油缸,双头液压油缸推轴上的连接杆一端与双头液压油缸的推轴端头活动连接,连接杆的另一端端头与衔接头A之间活动连接,该组合式前桥本体采用组合式设计,便于后期的维修,而且,组合式的结构使安装更加的方便。(The invention discloses a combined front axle of a paddy field tractor, which comprises a combined front axle body, wherein a middle joint is arranged in the center of the combined front axle body, connecting arms A are symmetrically arranged at two ends of the middle joint, a connecting arm B is arranged inside the connecting arm A, a main connecting head is arranged at one end of the connecting arm B, a connecting disc body is arranged on the main connecting head, the main connecting head is fixedly connected with the center of one side surface of the connecting disc body, the joint A is arranged above the main connecting head, a braking disc body is arranged outside the connecting disc body, a matching connecting column is arranged on the outer surface of the braking disc body, a double-head hydraulic cylinder is arranged above the middle joint, one end of a connecting rod on a pushing shaft of the double-head hydraulic cylinder is movably connected with the end of the pushing shaft of the double-head hydraulic cylinder, the other end of the connecting rod is movably connected with the joint A, and the combined front axle body is designed in a combined mode, the maintenance of the later stage of being convenient for, moreover, the structure of combination formula makes the installation more convenient.)

1. The utility model provides a paddy field tractor combination formula front axle, includes combination formula front axle body (1), its characterized in that: the central authorities that combination formula front axle body (1) goes out are equipped with middle adapter (4), and the both ends symmetry of middle adapter (4) is equipped with linking arm A (6), the cooperation installation between the one end of linking arm A (6) and middle adapter (4), the inside of linking arm A (6) is close to one end and is equipped with linking arm B (7), and the one end of linking arm B (7) sets up inside the one end of linking arm A (6), the cooperation installation between linking arm B (7) and linking arm A (6), the one end of linking arm B (7) is equipped with main connector (12), adopts connecting axle swing joint between the one end of main connector (12) and linking arm B (7), one side of main connector (12) is equipped with and connects disk body (9), welding connection between one side central authorities and the main connector (12) of connecting disk body (9), a brake disc body (10) is arranged on the other side surface of the connecting disc body (9), and the brake disc body (10) is movably connected with the connecting disc body (9) through a connecting shaft;

the hydraulic support is characterized in that a double-end hydraulic oil cylinder (2) is arranged right above the middle joint (4), the double-end hydraulic oil cylinder (2) and the middle joint (4) are fixedly installed, a connecting rod is arranged at the end of a push shaft of the double-end hydraulic oil cylinder (2), a connecting shaft is movably connected between the end of one end of the connecting rod and the end of the push shaft of the double-end hydraulic oil cylinder (2), and the other end of the connecting shaft is installed in a matched mode with the connecting disc body (9).

2. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: double-end hydraulic oil cylinder mounting clamping grooves are symmetrically formed in the top of the middle joint (4) close to the edges of the two sides, an X-shaped reinforcing support is arranged inside the middle joint (4), and the end of the X-shaped reinforcing support is welded to the inner wall of the middle joint (4);

the bottom end of the middle joint (4) is provided with a steering shaft matching mounting head (3), the steering shaft matching mounting head (3) and the middle joint (4) are of an integral structure, a steering shaft mounting groove is formed in the steering shaft matching mounting head (3), and an annular bearing is arranged on the inner wall of the steering shaft mounting groove;

the connecting device is characterized in that clamping grooves (5) are symmetrically arranged at the two ends of the middle connecting head (4), the clamping grooves (5) and the middle connecting head (4) are of an integrated structure, an opening is formed in the top end of each clamping groove (5), and a connecting arm A movable groove is formed in one side wall of each clamping groove (5).

3. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: linking arm A (6) are flat-topped circular cone, are equipped with fixing bolt hole on the lateral wall of linking arm A (6), and fixing bolt hole runs through the lateral wall of linking arm A (6), the one end of linking arm A (6) is equipped with anticreep card limit (13), and anticreep card limit (13) and linking arm A (6) structure as an organic whole, the inside of linking arm A (6) is equipped with linking arm B mounting groove, and linking arm B mounting groove runs through linking arm A (6), and the inner wall symmetry of linking arm B mounting groove is equipped with spacing card rail (14), spacing card rail (14) and linking arm A (6) structure as an organic whole.

4. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: the one end of linking arm B (7) is equipped with anticreep card limit (13), and the symmetry is equipped with spacing card rail mounting groove on anticreep card limit (13), spacing card rail (14) of linking arm A (6) inner wall and linking arm B (7) are gone up spacing card rail mounting groove cooperation installation on anticreep card limit (13), the one end of linking arm B (7) is equipped with the connector.

5. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: one side surface of braking disk body (10) is close to all around edge and evenly is equipped with cooperation spliced pole (11), cooperation spliced pole (11) and braking disk body (10) structure as an organic whole, the one end outer wall that cooperation spliced pole (11) one end is close to the braking disk body surface is equipped with annular bearing, and cooperation spliced pole (11) are close to the end outer wall of the other end and are equipped with the screw thread head.

6. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: the steering angle range of the brake disc body (10) and the connecting disc body (9) is 0-100 degrees.

7. The combined front axle of the paddy field tractor as claimed in claim 1, wherein: one side surface of the connecting disc body (9) is provided with an adapter A (8), the adapter A (8) and the connecting disc body (9) are of an integral structure, and the adapter A (8) is connected with one end of the connecting rod through a connecting shaft in a matching mode.

Technical Field

The invention relates to the technical field of combined front axles of paddy field tractors, in particular to a combined front axle of a paddy field tractor.

Background

The tractor is used for towing and driving the operation machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission. Tractors classified into agricultural, industrial and special uses according to function and use; the tractor is divided into a wheel type tractor, a crawler type tractor, a boat-shaped tractor, a self-propelled chassis and the like according to the structure type.

Although a tractor is a relatively complex machine with different types and sizes, the tractor is composed of three major parts, namely an engine, a chassis and electrical equipment, and each part is indispensable.

The front axle of the existing tractor is designed into an integrated structure, so that although the stability of the front axle is guaranteed, the integrated front axle is inconvenient to maintain and install in the later period.

Disclosure of Invention

The invention aims to provide a combined front axle of a paddy field tractor, which is characterized in that a middle joint is arranged in the center of a combined front axle body, connecting arms A are symmetrically arranged at two ends of the middle joint, a connecting arm B is arranged inside the connecting arm A, a main connecting head is arranged at one end of the connecting arm B, a connecting disc body is arranged on the main connecting head, the main connecting head is fixedly connected with the center of one side surface of the connecting disc body, the joint A is arranged above the main connecting head, a braking disc body is arranged outside the connecting disc body, a matching connecting column is arranged on the outer surface of the braking disc body, a double-head hydraulic oil cylinder is arranged above the middle joint, one end of a connecting rod on a pushing shaft of the double-head hydraulic oil cylinder is movably connected with the end of the pushing shaft of the double-head hydraulic oil cylinder, the other end of the connecting rod is movably connected with the joint A, and the combined front axle is designed to facilitate later maintenance and is more convenient to install due to the combined structure, to solve the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a paddy field tractor combination formula front axle, includes combination formula front axle body, its characterized in that: the combined front axle comprises a combined front axle body, and is characterized in that a middle connecting head is arranged in the center of the outlet of the combined front axle body, connecting arms A are symmetrically arranged at two ends of the middle connecting head, one ends of the connecting arms A and the middle connecting head are installed in a matched mode, a connecting arm B is arranged at the inner part, close to one end, of the connecting arm A, one end of the connecting arm B is arranged in the end of one end of the connecting arm A, the connecting arm B and the connecting arm A are installed in a matched mode, a main connecting head is arranged at one end of the connecting arm B, the main connecting head is movably connected with one end of the connecting arm B through a connecting shaft, a connecting disc body is arranged on one side of the main connecting head, the center of one side of the connecting disc body is connected with the main connecting head in a welded mode, a braking disc body is arranged on the surface of the other side of the connecting disc body, and the braking disc body is movably connected with the connecting disc body through a connecting shaft;

the hydraulic support is characterized in that a double-end hydraulic oil cylinder is arranged right above the middle joint, the double-end hydraulic oil cylinder and the middle joint are fixedly installed, a connecting rod is arranged at the end of a push shaft of the double-end hydraulic oil cylinder, one end of the connecting rod is movably connected with the end of the push shaft of the double-end hydraulic oil cylinder through a connecting shaft, and the other end of the connecting shaft is installed with the connecting disc body in a matched mode.

Preferably, double-end hydraulic oil cylinder mounting clamping grooves are symmetrically formed in the top of the middle joint head close to the edges of the two sides, an X-shaped reinforcing support is arranged inside the middle joint head, and the end of the X-shaped reinforcing support is welded and connected with the inner wall of the middle joint head;

the bottom end of the middle joint is provided with a steering shaft matching installation head, the steering shaft matching installation head and the middle joint are of an integral structure, a steering shaft installation groove is formed in the steering shaft matching installation head, and an annular bearing is arranged on the inner wall of the steering shaft installation groove;

the middle joint is characterized in that clamping grooves are symmetrically formed in the end heads of the two ends of the middle joint, the clamping grooves and the middle joint are of an integrated structure, an opening is formed in the top end of each clamping groove, and a connecting arm A movable groove is formed in one side wall of each clamping groove.

Preferably, linking arm A is the flat top circular cone form, is equipped with the fixing bolt hole on linking arm A's the lateral wall, and the fixing bolt hole runs through linking arm A's lateral wall, linking arm A's one end is equipped with the anticreep card limit, and anticreep card limit and linking arm A structure as an organic whole, linking arm A's inside is equipped with linking arm B mounting groove, and linking arm B mounting groove runs through linking arm A, and the inner wall symmetry of linking arm B mounting groove is equipped with spacing card rail, spacing card rail and linking arm A structure as an organic whole.

Preferably, the one end of linking arm B is equipped with the anticreep card limit, and the symmetry is equipped with spacing card rail mounting groove on the anticreep card limit, spacing card rail and the linking arm B of linking arm A inner wall go up spacing card rail mounting groove cooperation installation on the anticreep card limit, the one end of linking arm B is equipped with the connector.

Preferably, a side surface of the brake disc body is close to the edge all around and is evenly equipped with the cooperation spliced pole, and the cooperation spliced pole is structure as an organic whole with the brake disc body, the one end outer wall that cooperation spliced pole one end is close to the brake disc body surface is equipped with annular bearing, and the end outer wall that the cooperation spliced pole is close to the other end is equipped with the screw thread head.

Preferably, the steering angle range of the brake disc body and the connecting disc body is 0-100 degrees.

Preferably, one side surface of the connecting disc body is provided with an adapter A, the adapter A and the connecting disc body are of an integral structure, and the adapter A is connected with one end of the connecting rod in a matching mode through a connecting shaft.

Compared with the prior art, the invention has the beneficial effects that:

(1) the top of the middle joint is symmetrically provided with double-end hydraulic oil cylinder mounting clamping grooves close to the edges of the two sides, an X-shaped reinforcing bracket is arranged inside the middle joint, the end of the X-shaped reinforcing bracket is welded and connected with the inner wall of the middle joint, and the X-shaped reinforcing bracket effectively improves the overall strength of the middle joint;

(2) a steering shaft mounting groove is formed in the steering shaft matched with the mounting head, and an annular bearing is arranged on the inner wall of the steering shaft mounting groove and effectively reduces the friction resistance between the components, so that the rotating shaft can rotate more easily;

(3) connecting arms A are symmetrically arranged at two ends of the middle connecting head, are in a flat-top conical shape, and effectively improve the overall strength of the connecting arms A;

(4) the mounting groove of the connecting arm B penetrates through the connecting arm A, limiting clamping rails are symmetrically arranged on the inner wall of the mounting groove of the connecting arm B, the limiting clamping rails and the connecting arm A are of an integrated structure, and the limiting clamping rails have a limiting effect on the connecting arm B, so that the stability of the connecting arm is improved;

(5) the steering angle range of the brake disc body and the connecting disc body is 0-100 degrees, the double-head hydraulic oil cylinder 2 drives the connecting disc body to steer the brake disc body, and therefore steering control over wheels is achieved;

(6) this combination formula front axle body adopts the combination formula design, the maintenance in the later stage of being convenient for, moreover, the structure of combination formula makes the more convenient of installation.

Drawings

FIG. 1 is a schematic structural view of a combined front axle body according to the present invention;

FIG. 2 is a top view of an intermediate adapter of the present invention;

FIG. 3 is a side view of an intermediate adapter of the present invention;

FIG. 4 is a schematic view of a connecting arm A according to the present invention;

fig. 5 is a schematic structural diagram of a connecting arm B according to the present invention.

In the figure: 1. a combined front axle body; 2. a double-ended hydraulic cylinder; 3. the steering shaft is matched with the mounting head; 4. a middle adapter; 5. a clamping groove; 6. a connecting arm A; 7. a connecting arm B; 8. an adaptor A; 9. the tray body is connected; 10. a brake disc body; 11. matching a connecting column; 12. a main connector; 13. preventing the edges from being clamped; 14. and limiting the clamping rail.

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: a paddy field tractor combined front axle comprises a combined front axle body 1, a middle joint head 4 is arranged in the center of the combined front axle body 1, double-end hydraulic oil cylinder mounting clamping grooves are symmetrically arranged at the top of the middle joint head 4 close to the edges of two sides, an X-shaped reinforcing support is arranged inside the middle joint head 4, the end of the X-shaped reinforcing support is connected with the inner wall of the middle joint head 4 in a welding manner, the X-shaped reinforcing support effectively improves the integral strength of the middle joint head 4, a steering shaft matching mounting head 3 is arranged at the bottom end of the middle joint head 4, the steering shaft matching mounting head 3 and the middle joint head 4 are of an integral structure, a steering shaft mounting groove is arranged inside the steering shaft matching mounting head 3, an annular bearing is arranged on the inner wall of the steering shaft mounting groove, the annular bearing effectively reduces the friction resistance between components, so that the rotating shaft rotates more easily, clamping grooves 5 are symmetrically arranged at the ends of the two ends of the middle joint head 4, the clamping groove 5 and the middle connecting head 4 are of an integral structure, an opening is formed in the top end of the clamping groove 5, and a connecting arm A movable groove is formed in the side wall of one side of the clamping groove 5.

The two ends of the middle connecting head 4 are symmetrically provided with connecting arms A6, the connecting arm A6 is fixedly connected with the clamping groove 5 through fixing bolts after being clamped, the connecting arm A6 is in a flat-top conical shape, the conical connecting arm A6 effectively improves the overall strength of the connecting arm A6, the side wall of the connecting arm A6 is provided with a fixing bolt hole, the fixing bolt hole penetrates through the side wall of the connecting arm A6, the connecting arm can be adjusted through the connecting hole in the side wall of the connecting arm A6, one end of the connecting arm A6 is provided with an anti-clamping edge 13, the anti-clamping edge 13 and the connecting arm A6 are in an integrated structure, the inside of the connecting arm A6 is provided with a connecting arm B mounting groove, the connecting arm B mounting groove penetrates through the connecting arm A6, the inner wall of the connecting arm B mounting groove is symmetrically provided with limiting clamping rails 14, the limiting clamping rails 14 and the connecting arm A6 are in an integrated structure, the limiting clamping rails 14 have a limiting effect on the connecting arm B, and improve the stability of the connecting arm, one end of the connecting arm A6 is matched with the middle adapter head 4.

Connecting arm A6's inside is close to one end and is equipped with connecting arm B7, connecting arm B7's one end is equipped with anticreep card limit 13, the symmetry is equipped with spacing calorie of rail mounting groove on the anticreep card limit 13, spacing calorie of rail mounting groove cooperation installation on spacing calorie of rail 14 of connecting arm A6 inner wall and the connecting arm B7 on the anticreep card limit 13, connecting arm B7's one end is equipped with the connector, connecting arm B7's one end sets up inside connecting arm A6's one end, the cooperation installation between connecting arm B7 and the connecting arm A6.

The main connector 12 is arranged at one end of the connecting arm B7, the main connector 12 is movably connected with one end of the connecting arm B7 through a connecting shaft, a connecting disc body 9 is arranged on one side of the main connector 12, an adapter A8 is arranged on the surface of one side of the connecting disc body 9, the adapter A8 and the connecting disc body 9 are of an integral structure, and the adapter A8 is connected with one end of the connecting rod through the connecting shaft in a matched mode.

Welded connection between one side central authorities and the main connection head 12 of connecting disk body 9, the opposite side surface of connecting disk body 9 is equipped with brake disk body 10, the diameter of connecting disk body 9 is less than brake disk body 10, a side surface of brake disk body 10 is close to all edges all around and evenly is equipped with cooperation spliced pole 11, cooperation spliced pole 11 and brake disk body 10 structure as an organic whole, the one end outer wall that cooperation spliced pole 11 one end is close to brake disk body surface is equipped with annular bearing, the end outer wall that cooperation spliced pole 11 is close to the other end is equipped with the thread head, cooperation spliced pole 11 is used for connecting the wheel, adopt even axle swing joint between brake disk body 10 and the connecting disk body 9.

The double-head hydraulic oil cylinder 2 is arranged right above the middle adapter 4, the double-head hydraulic oil cylinder 2 and the middle adapter 4 are fixedly installed, a connecting rod is arranged at the end of a push shaft of the double-head hydraulic oil cylinder 2, one end of the connecting rod is movably connected with the end of the push shaft of the double-head hydraulic oil cylinder 2 through a connecting shaft, the other end of the connecting shaft is installed with the connecting disc body 9 in a matched mode, the steering angle range of the brake disc body 10 and the connecting disc body 9 is 0-100 degrees, the double-head hydraulic oil cylinder 2 is connected with the disc body 9 in a driving mode, the brake disc body 10 is made to steer, and therefore steering control over wheels is achieved.

This combination formula front axle body adopts the combination formula design, the maintenance in the later stage of being convenient for, moreover, the structure of combination formula makes the more convenient of installation.

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.