CN216519437U

CN216519437U - Gearbox for agricultural equipment

Info

Publication number: CN216519437U
Application number: CN202123367090.2U
Authority: CN
Inventors: 王国锋; 袁平; 刘全法
Original assignee: Shandong Jianghua Machinery Manufacturing Co ltd
Current assignee: Shandong Jianghua Machinery Manufacturing Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a gearbox for agricultural equipment, which comprises a shell, wherein an intermediate shaft is rotatably connected inside the shell, a first stop gear is arranged on the outer side of the intermediate shaft, a first stop gear hub sleeve and a second stop gear hub sleeve are arranged on the outer side of the intermediate shaft and one side of the first stop gear hub sleeve and one side of the second stop gear hub sleeve, a first shaft is rotatably connected inside the shell, and a second drive gear matched with the second gear is arranged on the outer side of the first shaft. Drive one axle through the motor connecting seat, one axle drives No. two gear revolve and makes the jackshaft rotate through No. two driving gears, through having added axle tooth, bull gear, has realized that the jackshaft drives bull gear through the axle tooth and rotates, and the differential case body drives No. two output semi-axles through a ring flange and rotates, drives an output semi-axle through No. two ring flanges and rotates, adopts a fork shaft to drive two shift forks and realizes that three fender position is put into gear.

Description

Gearbox for agricultural equipment

Technical Field

The utility model relates to the technical field of gearboxes, in particular to a gearbox for agricultural equipment.

Background

Agriculture is an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants. Agriculture belongs to the first industry, and provides a basic industry for supporting national economic construction and development, a gearbox, which is a part for changing the rotating speed and torque from an engine and changing the transmission ratio of an output shaft and an input shaft in a fixed or stepped manner, but the gearbox for the existing agricultural equipment has larger gear engaging space, more actions need to be controlled in the working process of the agricultural equipment, a plurality of control handles in a cab are provided, and the arrangement and operation space is greatly limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gearbox for agricultural equipment, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gearbox for agricultural equipment comprises a shell, wherein an intermediate shaft is rotatably connected inside the shell, a first gear is arranged on the outer side of the intermediate shaft, a first gear hub sleeve and a second gear hub sleeve are arranged on the outer side of the intermediate shaft and on one side of the first gear hub sleeve and on one side of the second gear hub sleeve, a first shaft is rotatably connected inside the shell, a second gear driving gear matched with the second gear is arranged on the outer side of the first shaft, a third gear driven gear is arranged on the outer side of the intermediate shaft, a third gear driving gear matched with the third gear driven gear is arranged on the outer side of the first shaft, a third gear hub sleeve is arranged on the outer side of the first shaft and on one side of the third gear driving gear, a fork shaft is arranged inside the shell, a first gear shifting fork and a second gear shifting fork matched with the first gear hub sleeve and the second gear hub sleeve are arranged on the outer side of the fork shaft, the outer side of the fork shaft is provided with a shifting block, the outer side of the fork shaft is provided with a three-gear shifting fork matched with a three-gear hub sleeve, the inside of the shell is provided with a return spring, and one end of the return spring is provided with a self-locking steel ball matched with the fork shaft.

As a preferred embodiment of the present invention: the outside of jackshaft is equipped with the axle tooth, the inside of casing is equipped with the differential mechanism body, one side of differential mechanism body is equipped with No. two ring flanges, one side that the differential mechanism body was kept away from to No. two ring flanges is equipped with output semi-axis No. one, and output semi-axis is connected with the casing rotation No. one.

As a preferred embodiment of the present invention: one side that No. two ring flanges were kept away from to the differential mechanism body is equipped with the ring flange No. one, one side that differential mechanism body was kept away from to the ring flange No. one is equipped with output semi-axis No. two, and output semi-axis No. two rotates with the casing to be connected.

As a preferred embodiment of the present invention: the outer side of the intermediate shaft is provided with shaft teeth, one side of the differential mechanism body is provided with a large gear ring matched with the shaft teeth, and the shaft teeth are meshed with the large gear ring.

As a preferred embodiment of the present invention: and a brake wheel is arranged on the outer side of the intermediate shaft and positioned outside the shell.

As a preferred embodiment of the present invention: the motor connecting seat is arranged on the outer side of the shaft, and a motor connecting sleeve matched with the motor connecting seat is arranged on one side of the shell.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure, novelty and strong practicability, the motor connecting seat drives the first shaft, the first shaft drives the second gear to rotate through the second driving gear and enables the intermediate shaft to rotate, the shaft teeth and the large gear ring are added, the intermediate shaft drives the large gear ring to rotate through the shaft teeth, the differential case body drives the second output half shaft to rotate through the first flange plate, the second flange plate drives the first output half shaft to rotate, one fork shaft drives the two shifting forks to realize three gear shifting, the shifting handle only moves back and forth to realize three gear shifting, the left and right swinging is not needed, the gear shifting space is reduced, and the arrangement and the operation of the control handle in driving are more convenient.

Drawings

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

FIG. 2 is a top view of the fork shaft of the present invention.

In the figure: 1. a housing; 2. a first output half shaft; 3. an intermediate shaft; 4. a shaft; 5. a differential body; 6. a second output half shaft; 7. a first flange plate; 8. a second flange plate; 9. a first gear; 10. a first gear hub sleeve and a second gear hub sleeve; 11. a second gear; 12. a third-gear driven gear; 13. a brake wheel; 14. a three-gear hub sleeve; 15. a second gear driving gear; 16. a third gear drive gear; 17. a motor connecting sleeve; 18. a motor connecting seat; 19. a fork shaft; 20. a return spring; 21. self-locking steel balls; 22. a third-gear shifting fork; 23. a first/second shift fork; 24. shifting blocks; 25. a shaft tooth; 26. a large gear ring.

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. 1-2, the present invention provides a technical solution: a gear box for agricultural equipment comprises a shell 1, wherein an intermediate shaft 3 is rotatably connected inside the shell 1, a first gear 9 is arranged on the outer side of the intermediate shaft 3, a first/second gear hub sleeve 10 is arranged on the outer side of the intermediate shaft 3 and positioned on one side of the first gear 9, a second gear 11 is arranged on the outer side of the intermediate shaft 3 and positioned on one side of the first/second gear hub sleeve 10, a first shaft 4 is rotatably connected inside the shell 1, a second gear driving gear 15 matched with the second gear 11 is arranged on the outer side of the first shaft 4, a third gear driven gear 12 is arranged on the outer side of the intermediate shaft 3, a third gear driving gear 16 matched with the third gear driven gear 12 is arranged on the outer side of the first shaft 4, a third gear hub sleeve 14 is arranged on one side of the third gear driving gear 16 and positioned on the outer side of the first shaft 4, a fork shaft 19 is arranged inside the shell 1, a first/second gear shifting fork 23 matched with the first/second gear hub sleeve 10 is arranged on the outer side of the fork shaft 19, the outside of fork axle 19 is equipped with shifting block 24, the outside of fork axle 19 is equipped with three fender tooth hub sleeve 14 complex third gear shift fork 22, be convenient for one/second gear shift fork 23 and three fender shift fork 22 carry out quick gear shift and handle, shift efficiency has been improved, the inside of casing 1 is equipped with reset spring 20, reset spring 20's one end is equipped with auto-lock steel ball 21 with fork axle 19 complex, be convenient for reset spring 20 to carry out the processing that resets to auto-lock steel ball 21, auto-lock steel ball 21 carries out stabilizing treatment to fork axle 19 and be convenient for one 4 to drive two gears 11 through two driving gear 15 and rotate, two gears 11 drive jackshaft 3 and rotate, work efficiency has been improved.

The differential mechanism comprises a differential mechanism body 5 arranged in a shell 1, a second flange 8 is arranged on one side of the differential mechanism body 5, a first output half shaft 2 is arranged on one side of the second flange 8 far away from the differential mechanism body 5, the first output half shaft 2 is rotationally connected with the shell 1, a first flange 7 is arranged on one side of the differential mechanism body 5 far away from the second flange 8, a second output half shaft 6 is arranged on one side of the first flange 7 far away from the differential mechanism body 5, the second output half shaft 6 is rotationally connected with the shell 1, a shaft tooth 25 is arranged on the outer side of an intermediate shaft 3, a large gear ring 26 matched with the shaft tooth 25 is arranged on one side of the differential mechanism body 5, the shaft tooth 25 is meshed with the large gear ring 26, the large gear ring 26 drives the intermediate shaft 3 to rotate through the shaft tooth 25, the rotation efficiency is improved, a brake wheel 13 is arranged on the outer side of the intermediate shaft 3 and positioned outside the shell 1, and is convenient for the brake wheel 13 to brake the intermediate shaft 3, the outside of a shaft 4 is provided with a motor connecting seat 18, one side of the shell 1 is provided with a motor connecting sleeve 17 matched with the motor connecting seat 18, the motor connecting seat 18 is connected with a motor, and the shaft 4 is driven through the motor connecting seat 18, so that the transmission efficiency is improved.

Specifically, when in use, the motor drives the first shaft 4 to rotate through the motor connecting seat 18, the first/second gear shifting is realized by driving the corresponding gear through the combination of the first/second gear hub sleeve 10 and the gear on the intermediate shaft 3 under the driving of the first/second gear shifting fork 23, the third gear shifting is realized by driving the corresponding gear through the combination of the third gear hub sleeve 14 and the third gear driving gear 16 on the first shaft 4 under the driving of the gear shifting fork, the first gear is realized by the way that the motor on the motor connecting seat 18 of the first shaft 4 drives the first shaft 4 to rotate, the gear of the first gear on the first shaft 4 drives the first gear 9 on the intermediate shaft 3 to rotate, when the first gear is shifted, the fork shaft 19 moves leftwards to drive the first/second gear shifting fork 23 and the first/second gear sleeve of the first/second gear hub sleeve 10 to slide on the first/second gear hub, the differential gear is combined with the combined teeth of the first-gear 9, the intermediate shaft 3 is driven to rotate through the gear hub, the differential gear body 5 and the large gear ring 26 on the differential gear body are driven by shaft teeth 25 on the intermediate shaft 3, the left half shaft and the right half shaft rotate to output power outwards, the three-gear shifting fork 22 drives the three-gear sleeve to slide leftwards on the three-gear hub, when the second gear is hung, the fork shaft 19 moves rightwards from a neutral position to drive the first-gear shifting fork 23 and the first-gear shifting fork to slide on the first-gear hub and be combined with the combined teeth of the second-gear 11, the intermediate shaft 3 is driven to rotate through the gear hub, the differential gear body 5 and the large gear ring 26 on the differential gear body are driven by the shaft teeth 25 on the intermediate shaft 3, the left half shaft and the right half shaft rotate to output power outwards, and the three-gear shifting fork 22 drives the three-gear sleeve to slide on the gear hub. When the third gear is engaged, the fork shaft 19 moves rightwards to drive the third gear shifting fork 22 and the third gear sleeve to slide on the third gear holding strand and be combined with the combined teeth of the third gear driving gear 16, the third gear is driven to actively rotate through the gear hub, further the shaft teeth 25 on the intermediate shaft 3 are driven to drive the differential mechanism body 5 and the large gear ring 26 on the differential mechanism body, the left half shaft and the right half shaft rotate to output power outwards, and the first gear shifting fork 23 and the second gear shifting fork 23 drive the first gear hub sleeve 10 and the second gear hub sleeve 10 to slide rightwards on the second gear 11 when the third gear is engaged.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A gearbox for agricultural equipment comprises a shell (1) and is characterized in that an intermediate shaft (3) is rotatably connected inside the shell (1), a first blocking gear (9) is arranged on the outer side of the intermediate shaft (3), a first blocking gear hub sleeve/a second blocking gear hub sleeve (10) is arranged on the outer side of the intermediate shaft (3) and on one side of the first blocking gear (9), a second blocking gear (11) is arranged on the outer side of the intermediate shaft (3) and on one side of the first blocking gear hub sleeve/the second blocking gear hub sleeve (10), a first shaft (4) is rotatably connected inside the shell (1), a second blocking driving gear (15) matched with the second blocking gear (11) is arranged on the outer side of the intermediate shaft (3), a third blocking driven gear (12) is arranged on the outer side of the first shaft (4), a third blocking driving gear (16) matched with the third blocking driven gear (12) is arranged on the outer side of the first shaft (4), the gear shifting mechanism is characterized in that a three-gear hub sleeve (14) is arranged on one side, located on a three-gear driving gear (16), of the outer side of the shaft (4), a fork shaft (19) is arranged inside the shell (1), a first-gear shifting fork (23) and a second-gear shifting fork (23) matched with the first-gear hub sleeve (10) and the second-gear shifting fork (10) are arranged on the outer side of the fork shaft (19), a shifting block (24) is arranged on the outer side of the fork shaft (19), a three-gear shifting fork (22) matched with the three-gear hub sleeve (14) is arranged on the outer side of the fork shaft (19), a return spring (20) is arranged inside the shell (1), and a self-locking steel ball (21) matched with the fork shaft (19) is arranged at one end of the return spring (20).

2. The gearbox for agricultural equipment according to claim 1, wherein: the inside of casing (1) is equipped with differential mechanism body (5), one side of differential mechanism body (5) is equipped with No. two ring flanges (8), one side that differential mechanism body (5) were kept away from in No. two ring flanges (8) is equipped with output semi-axis (2) No. one, and output semi-axis (2) rotate with casing (1) and be connected.

3. The gearbox for agricultural equipment according to claim 2, wherein: one side that No. two ring flanges (8) were kept away from in differential mechanism body (5) is equipped with ring flange (7) No. one, one side that differential mechanism body (5) were kept away from in ring flange (7) is equipped with output semi-axis (6) No. two, and output semi-axis (6) No. two rotate with casing (1) and be connected.

4. The gearbox for agricultural equipment according to claim 2, wherein: the outer side of the intermediate shaft (3) is provided with shaft teeth (25), one side of the differential mechanism body (5) is provided with a large gear ring (26) matched with the shaft teeth (25), and the shaft teeth (25) are meshed and connected with the large gear ring (26).

5. The gearbox for agricultural equipment according to claim 1, wherein: and a brake wheel (13) is arranged on the outer side of the intermediate shaft (3) and positioned outside the shell (1).

6. The gearbox for agricultural equipment according to claim 1, wherein: the motor connecting seat (18) is arranged on the outer side of the shaft (4), and a motor connecting sleeve (17) matched with the motor connecting seat (18) is arranged on one side of the shell (1).