CN219452823U

CN219452823U - Main gearbox assembly of four-wheel drive mini-tiller

Info

Publication number: CN219452823U
Application number: CN202320375887.7U
Authority: CN
Inventors: 胡兴扬; 胡兵
Original assignee: Guangxi Jiufeng Agricultural Machinery Co ltd
Current assignee: Guangxi Jiufeng Agricultural Machinery Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-01
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the field of mini-tiller, and particularly discloses a main gearbox assembly of a four-wheel-drive mini-tiller, which comprises a gearbox, wherein a power output interface is arranged at the upper end of the gearbox, a clutch is arranged in the gearbox below the power output interface, a gear shifting mechanism is arranged on one side of the clutch, a first gear shifting handle is connected to one side of the gear shifting mechanism, which is positioned on the outer side of the gearbox, a second gear shifting handle is arranged below the first gear shifting handle, and the gear shifting mechanism comprises: the gear shifting mechanism comprises a first gear, a second gear and a third gear, wherein a connecting shaft is arranged at the center of the first gear, the center of the second gear and the center of the third gear in a penetrating way, one end, close to the first gear, of the connecting shaft is connected with a reverse gear, and one side of the gear shifting mechanism is provided with a transfer case. The transfer case is used for being connected with the gear shifting mechanism and the output mechanism through the transfer case, so that the stability of the whole power output can be ensured, the self gravity of the whole gearbox is increased, and the stability of the working process is ensured.

Description

Main gearbox assembly of four-wheel drive mini-tiller

Technical Field

The utility model relates to the field of mini-tiller, in particular to a main gearbox assembly of a four-wheel drive mini-tiller.

Background

The mini-tiller uses a small diesel engine or a gasoline engine as power, and has the characteristics of light weight, small volume, simple structure and the like. The mini-tiller is widely applicable to plains, mountainous areas, dry lands of hills, paddy fields, orchards and the like, and Chinese patent networks disclose that an authorized bulletin number of a main and auxiliary gearbox assembly of the mini-tiller is (CN 21169339U), and the application enables the sliding central gear to axially move by poking a shifting fork on the sliding central gear, the sliding central gear is meshed with the low-speed external gear to form a slow gear, the sliding central gear is meshed with the high-speed external gear to form a fast gear, and the fast gear and the slow gear are conveniently switched.

However, the whole structure of the gearbox in the application is complex, and the micro cultivator is difficult to control when the whole mass is large and the micro cultivator enters a severe road condition environment.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a main gearbox assembly of a four-wheel-drive mini-tiller, which solves the problems mentioned in the background.

The utility model provides the following technical scheme: the utility model provides a four-wheel drive mini-tiller main gear box assembly, includes the gearbox, the upper end of gearbox is provided with the power take off interface, the below of power take off interface is located the inside of gearbox is provided with the clutch, one side of clutch is provided with gearshift, one side of gearshift is located the outside of gearbox is connected with first handle that shifts, the below of first handle that shifts is provided with the second handle that shifts, gearshift includes: the automatic gear shifting device comprises a first gear, a second gear and a third gear, wherein a connecting shaft is arranged at the center of the first gear, the center of the second gear and the center of the third gear in a penetrating manner, one end, close to the first gear, of the connecting shaft is connected with a reverse gear, and one side of the gear shifting mechanism is provided with a transfer case.

As still further aspects of the utility model: the transfer case is characterized in that a connecting shaft is arranged in the transfer case, a transfer gear is arranged on the outer side of the connecting shaft, and a bevel gear is arranged at the lower end of the connecting shaft.

As still further aspects of the utility model: the bevel gear is characterized in that an output fluted disc is arranged on the outer side of the bevel gear, a rotating shaft is arranged in the output fluted disc, a spring is sleeved on the outer side of the rotating shaft, and a transmission gear is sleeved on the outer side of the rotating shaft between the spring and the output fluted disc.

As still further aspects of the utility model: the outside of drive gear is provided with output gear, output gear's internally mounted has the output shaft.

As still further aspects of the utility model: the diameter sizes of the first gear, the second gear and the third gear are reduced.

As still further aspects of the utility model: the transfer gear is meshed with the gear shifting mechanism.

As still further aspects of the utility model: the bevel gear is connected with the output fluted disc in a meshed manner, and the transmission gear is connected with the output gear in a meshed manner.

As still further aspects of the utility model: the output gear is fixedly connected with the output shaft.

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

1. the first gear shifting handle and the second gear shifting handle are controlled to move, and the connecting positions of the whole gear shifting mechanism and the transfer case are controlled, so that the reverse gear, the first gear, the second gear, the third gear and the transfer case are controlled to be in meshed connection, and different power is output.

2. The transfer case is used for being connected with the gear shifting mechanism and the output mechanism through the transfer case, so that the stability of the whole power output can be ensured, the self gravity of the whole gearbox is increased, and the stability of the working process is ensured.

Drawings

FIG. 1 is a schematic structural view of a four-drive mini-tiller main gearbox assembly;

FIG. 2 is a schematic diagram of the internal structure of a gearbox in a four-drive mini-tiller main gearbox assembly;

FIG. 3 is a schematic structural view of a gear shifting mechanism in a four-wheel drive mini-tiller main gearbox assembly;

FIG. 4 is a schematic diagram of the structure of the output mechanism in the main gearbox assembly of the four-wheel drive mini tiller.

In the figure: 1. a gearbox; 2. a power output interface; 3. a first shift grip; 4. a second shift grip; 5. an output shaft; 101. a clutch; 102. a transfer case; 103. an output gear; 104. transfer gears; 105. bevel gears; 106. an output fluted disc; 107. a reverse gear; 108. a first gear; 109. a second gear; 110. a third gear; 111. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the present embodiment provides a four-wheel-drive mini-tiller main gearbox assembly, which comprises a gearbox 1, wherein a power output interface 2 is arranged at the upper end of the gearbox 1, a clutch 101 is arranged in the gearbox 1 below the power output interface 2, a gear shifting mechanism is arranged on one side of the clutch 101, a first gear shifting grip 3 is connected to one side of the gear shifting mechanism located on the outer side of the gearbox 1, a second gear shifting grip 4 is arranged below the first gear shifting grip 3, and the gear shifting mechanism comprises: the gear shifting mechanism comprises a first gear 108, a second gear 109 and a third gear 110, wherein the diameter sizes of the first gear 108, the second gear 109 and the third gear 110 are in descending arrangement, a connecting shaft penetrates through the circle centers of the first gear 108, the second gear 109 and the third gear 110, one end, close to the first gear 108, of the connecting shaft is connected with a reverse gear 107, and one side of the gear shifting mechanism is provided with a transfer case 102.

As shown in fig. 2-3, in this embodiment, a connecting shaft is installed inside the transfer case 102, a transfer gear 104 is installed outside the connecting shaft, the transfer gear 104 is in meshed connection with the gear shifting mechanism, a bevel gear 105 is installed at the lower end of the connecting shaft, an output fluted disc 106 is arranged outside the bevel gear 105, the bevel gear 105 is in meshed connection with the output fluted disc 106, a rotating shaft is installed inside the output fluted disc 106, a spring 111 is sleeved outside the rotating shaft, a transmission gear is sleeved outside the rotating shaft between the spring 111 and the output fluted disc 106, an output gear 103 is arranged outside the transmission gear, the transmission gear is in meshed connection with the output gear 103, an output shaft 5 is installed inside the output gear 103, and the output gear 103 is fixedly connected with the output shaft 5.

The working principle of the utility model is as follows: when the gear shifting device is used, the first gear shifting handle 3 and the second gear shifting handle 4 are controlled to move, the connecting position of the whole gear shifting mechanism and the transfer case 102 is controlled, when the first gear 108 and the transfer gear 104 are shifted to be in meshed connection, the first gear power can be controlled to be output, when the second gear 109 and the transfer gear 104 are controlled to be in meshed connection, the second gear power can be controlled to be output, when the third gear 110 and the transfer gear 104 are controlled to be in meshed connection, the third gear power can be controlled to be output, when the transfer case 102 receives the power output by the gear shifting mechanism, the bevel gear 105 at the end part of the transfer case 102 and the output fluted disc 106 are meshed to rotate, the output fluted disc 106 drives the transmission gear and the output gear 103 to be meshed to rotate, and the output shaft 5 is driven to integrally rotate, and output power is achieved.

It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, that the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 a four-wheel drive mini-tiller main gearbox assembly, includes gearbox (1), its characterized in that, the upper end of gearbox (1) is provided with power take off interface (2), the below of power take off interface (2) is located the inside of gearbox (1) is provided with clutch (101), one side of clutch (101) is provided with gearshift, one side of gearshift is located the outside of gearbox (1) is connected with first handle (3) that shifts, the below of first handle (3) that shifts is provided with second handle (4), gearshift includes: the gear shifting device comprises a first gear (108), a second gear (109) and a third gear (110), wherein a connecting shaft is arranged at the center of the first gear (108), the center of the second gear (109) and the center of the third gear (110) in a penetrating mode, one end, close to the first gear (108), of the connecting shaft is connected with a reverse gear (107), and one side of the gear shifting mechanism is provided with a transfer case (102).

2. The four-wheel drive mini-tiller main gearbox assembly according to claim 1, characterized in that a connecting shaft is mounted in the transfer case (102), a transfer gear (104) is mounted on the outer side of the connecting shaft, and a bevel gear (105) is mounted at the lower end of the connecting shaft.

3. The four-wheel drive mini-tiller main gearbox assembly according to claim 2, characterized in that an output fluted disc (106) is arranged on the outer side of the bevel gear (105), a rotating shaft is arranged in the output fluted disc (106), a spring (111) is sleeved on the outer side of the rotating shaft, and a transmission gear is sleeved on the outer side of the rotating shaft between the spring (111) and the output fluted disc (106).

4. The four-wheel drive mini-tiller main gearbox assembly according to claim 3, characterized in that an output gear (103) is arranged on the outer side of the transmission gear, and an output shaft (5) is arranged in the output gear (103).

5. The main gearbox assembly of a four-wheel drive mini-tiller according to claim 1, wherein the circular diameter sizes of the first gear (108), the second gear (109) and the third gear (110) are arranged in a decreasing manner.

6. The four-wheel drive mini-tiller main gearbox assembly of claim 2, characterized in that the transfer gear (104) is in meshed connection with the shift mechanism.

7. The four-wheel drive mini-tiller main gearbox assembly according to claim 4, characterized in that the bevel gear (105) is in meshed connection with the output gear disc (106), and the transmission gear is in meshed connection with the output gear (103).

8. The four-wheel drive mini-tiller main gearbox assembly according to claim 4, characterized in that the output gear (103) is fixedly connected with the output shaft (5).