CN102577677B - No-missing cross shaft driven rotary cultivator with functions of soil casting and stubble cleaning - Google Patents

Abstract

The invention relates to a no-missing cross shaft driven rotary cultivator with functions of soil casting and stubble cleaning. A gearbox is in intermediate drive and provided with an input gearbox, an intermediate transmission case and an output gearbox assembly. A power input shaft and an intermediate transmission shaft are disposed in the input gearbox, the intermediate transmission shaft extends from the input gearbox into the intermediate transmission case and then extends from the intermediate transmission case into the output gearbox, a lower transmission gear is disposed on the intermediate transmission shaft inside the output gearbox, the output gearbox is further provided with a power output shaft and a rotary milling blade transmission shaft, a rotary milling blade transmission gear is disposed on the rotary milling blade transmission shaft, and a rotary milling blade assembly is disposed on the rotary milling blade transmission shaft extending out of the output gearbox. The power output shaft is connected with a coupling having a flange, and the coupling is connected with a coulter shaft assembly having a flange. The gearbox in a split structure with a top, a middle and a bottom is simple in manufacture and high in universality, and accordingly the no-missing cross shaft driven rotary cultivator with functions of soil casting and stubble cleaning is convenient in maintenance, low in cost, energy-saving and effective in rotary cultivation and stubble cleaning.

Description

Rotary Tiller with Cross Shaft Drive Soil Throwing and Stubble Elimination without Missing Tillage

technical field

The invention relates to a rotary tiller, in particular to a rotary tiller without missing tillage with a cross-axis transmission for throwing soil and removing stubble.

Background technique

With the rapid advancement of my country's mechanization process, the popularization and application of large and super large agricultural machinery, the original matching rotary tiller, stubble remover, rotary seeder, ridger, ditcher, subsoiler and other tillage machines The variable speed transmission box is no longer suitable for the supporting use of the current high-horsepower agricultural machinery, and it is easy to cause severe mechanical failures such as broken chains, damaged bearings, gears, and even broken transmission box assemblies, especially for farming machinery with intermediate transmission. The corresponding lower end of the transmission box has a 20cm wide blind spot for rotary tillage and stubble removal due to the inability to install the rotary cutter, which has not been able to solve this problem so far. It directly affects the stubble removal and sowing quality of rotary tillage, thus affecting the grain yield.

Contents of the invention

The technical problem to be solved by the present invention is to provide a non-missing tillage cross-axis transmission throwing soil and stubble removal rotary tiller with reasonable structure design, strong versatility and long service life in view of the deficiencies of the prior art.

The technical problem to be solved by the present invention is achieved through the following technical solutions. The present invention is a non-missing tillage cross-axis transmission soil throwing and stubble removal rotary tiller, which includes a gearbox, which is characterized in that the gearbox is set in an intermediate transmission mode, and it is composed of an input gearbox assembly and an intermediate transmission box assembly. and output gearbox assembly;

The input gearbox assembly includes an input gearbox body, the input gearbox body is provided with a power input shaft and an intermediate transmission shaft, and the power input shaft and the intermediate transmission shaft are respectively provided with meshing power input gears and upper transmission gears;

The intermediate transmission case assembly includes an intermediate transmission case, and the intermediate transmission shaft extends from the input transmission case to the intermediate transmission case;

The output gearbox assembly includes an output gearbox body, an intermediate transmission shaft extends from the intermediate transmission casing to the output gearbox body, and a lower transmission gear is arranged on the intermediate transmission shaft in the output gearbox body, and the output gearbox The body is also provided with a power output shaft and a milling cutter transmission shaft. The milling cutter transmission shaft is provided with a milling cutter transmission gear, and the power output shaft is provided with a power output gear meshing with the lower transmission gear and the milling cutter transmission gear. The power output shaft is arranged on the output gearbox body through the bearing and the bearing oil seal seat, and the milling cutter assembly is connected to the milling cutter transmission shaft protruding from the output gearbox body;

The two ends of the intermediate transmission box are respectively fixedly connected to the input gearbox body and the output gearbox body;

The two ends of the power output shaft protrude from the output gearbox body to connect with the coupling with flange, the coupling is connected with the coulter shaft assembly with flange through the flange, and installed on the coupling There is a coulter magazine on which coulters are installed; the coulter shaft assembly is connected to the support shaft with the flange through the flange, and the support shaft is connected to the support arm through the bearing and the bearing oil seal seat, and the support arm It is connected with the input gearbox body through the support housing.

The coulter shaft assembly described in the present invention can be any kind of coulter shaft assembly disclosed in the prior art, and it generally includes a coulter shaft, and parts such as a coulter magazine and a coulter arranged on the coulter shaft composition.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross-axis transmission rotary tiller for throwing soil and stubble removal: the milling cutter drive shaft is connected to the output gearbox body through a bearing and a bearing oil seal seat.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross-axis transmission throwing soil and stubble removal rotary tiller described above: a grass cover fixed on the milling cutter transmission shaft is provided around the bearing and the bearing oil seal seat where the milling cutter transmission shaft is installed. In this way, the grass-retaining function can be realized, and the service life of the bearing and the oil seal seat of the bearing can be increased.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-leaking tillage cross shaft transmission soil throwing and stubble removal rotary tiller mentioned above: the bearing connected to the support arm and the bearing oil seal seat are provided with a lubricating oil chamber, and the bearing and the bearing oil seal seat are also provided with a lubricating oil chamber. Connected oil port. In this way, it is convenient to add lubricating oil and increase the service life.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross-shaft drive rotary tiller for throwing soil and stubble removal: a fence-type cover plate is arranged above the coulter shaft assembly. The fence type cover plate can be installed on the support of the rotary tiller during installation, or fixed on the support arm or the middle transmission box through the support. In the present invention, by adding a simple fence-type cover plate in the throwing direction of the rotary tiller, the inertia of throwing soil is used to complete a series of complex field operations such as cycling broken soil, blocking grass, and throwing soil to eliminate stubble.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the above-mentioned non-missing tillage cross-axis drive rotary tiller for throwing soil and stubble removal: the fence-type cover plate is arc-shaped.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross-axis transmission rotary tiller for soil throwing and stubble removal described above: a mounting bracket is fixed on the middle transmission box.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross shaft drive throwing soil and stubble removal rotary tiller mentioned above: the milling cutter assembly is composed of a shaft sleeve or a coupling and a milling cutter installed on the shaft sleeve or coupling. The shaft sleeve or shaft coupling can be connected with the drive shaft of the milling cutter by means of internal and external splines.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the above-mentioned non-missing tillage cross-axis transmission throwing soil and stubble removal rotary tiller: there are several installation and adjustment screw holes on the transmission shaft of the milling cutter. The shaft device) is provided with an installation adjustment screw matched with the installation adjustment screw hole. In this way, the installation position can be adjusted conveniently, which further improves the adaptability of the present invention.

The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the above-mentioned non-missing tillage cross-axis transmission soil throwing and stubble removal rotary tiller: the milling cutter is arranged in a spiral shape. Like this, can make rotary tillage enter the soil easier.

The present invention completely solves the problems of broken chains, damaged bearings, gears, and even broken transmission box assembly of various farming machinery matched with large agricultural machinery in Malaysia. In particular, it solves the unsolvable problem of the 20cm blind area of rotary tillage and stubble removal caused by the inability to install the rotary cutter at the lower end of the intermediate transmission of the farming machinery.

Compared with the prior art, the gearbox of the present invention adopts an upper, middle and lower split structure, which is simple to manufacture, easy to produce, low in cost, strong in versatility, and convenient in maintenance. Compared with the traditional stubble removal rotary tiller, the rotary tiller of the present invention can save energy by more than 50%, and the effect of rotary tillage and stubble removal is about doubled. Moreover, since the coulter shaft assembly is connected by a flange, it is not only convenient for maintenance, but also greatly saves maintenance costs.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a structural schematic diagram of a fence-type cover plate.

Detailed ways

The specific technical solutions of the present invention will be further described below with reference to the accompanying drawings, so that those skilled in the art can further understand the present invention, without limiting their rights.

Embodiment 1, with reference to Fig. 1, a kind of non-missing tillage cross shaft drive soil throwing stubble removal rotary tiller, including gearbox, the gearbox is set in the mode of intermediate transmission, it is composed of input gearbox assembly, intermediate transmission box assembly and output gearbox assembly;

The input gearbox assembly includes an input gearbox body 1, the input gearbox body 1 is provided with a power input shaft 2 and an intermediate transmission shaft 6, and the power input shaft 2 and the intermediate transmission shaft 6 are respectively provided with engaging power input shafts. Gear 3 and upper drive gear 4;

The intermediate transmission case assembly includes an intermediate transmission case 5, and an intermediate transmission shaft 6 extends from the input transmission case 1 into the intermediate transmission case 5;

The output gearbox assembly includes an output gearbox body 7, the intermediate transmission shaft 6 extends from the intermediate transmission casing 5 to the output gearbox body 7, and the intermediate transmission shaft 6 in the output gearbox body 7 is provided with The lower transmission gear 8, the output gearbox body 7 is also provided with a power output shaft 15 and a milling cutter transmission shaft 11, the milling cutter transmission shaft 11 is provided with a milling cutter transmission gear 14, and the power output shaft 15 is provided with a The transmission gear 8 and the power output gear 9 meshed with the milling cutter transmission gear 14, the power output shaft 15 is arranged on the output gearbox body 7 through the bearing and the bearing oil seal seat 10, and the milling cutter transmission that extends out of the output gearbox body 7 A milling cutter assembly 12 is connected to the shaft 11;

Both ends of the intermediate transmission case 5 are respectively fixedly connected to the input gearbox body 1 and the output gearbox body 7;

The two ends of the power output shaft 15 protrude from the output gearbox body 7 to connect with the coupling 20 with the flange 17, and the coupling 20 connects with the coulter shaft assembly 21 with the flange 17 through the flange 17. connection, a coulter magazine is installed on the coupling 20, and a coulter 19 is installed on the coulter magazine; the other end of the coulter shaft assembly 21 is connected to the support shaft 22 with the flange 17 through the flange 17, The support shaft 22 is connected to the support arm 16 through the bearing and the bearing oil seal seat 10 , and the support arm 16 is connected to the input transmission case 1 through the support housing 18 .

Embodiment 2, in the non-missing tillage cross shaft drive soil throwing and stubble removal rotary tiller described in embodiment 1: the milling cutter drive shaft 11 is connected to the output gearbox body 7 through a bearing and a bearing oil seal seat 10 .

Embodiment 3, in the non-missing tillage cross shaft transmission described in embodiment 2, throwing soil and stubble removal rotary tiller: the milling cutter transmission shaft 11 is installed around the bearing and the bearing oil seal seat 10, which is fixed on the milling cutter transmission shaft. The grass cover 13 on the 11.

Embodiment 4, in the non-missing tillage cross shaft drive soil throwing and stubble removal rotary tiller described in any one of embodiments 1-3: the bearing connected to the support arm 16 and the bearing oil seal seat 10 are provided with a lubricating oil chamber 23, An oil filling port 24 communicating with the lubricating oil chamber 23 is also provided on the bearing and the bearing oil seal seat 10 .

Embodiment 5, referring to FIG. 2 , in the non-missing tillage cross-axis drive soil throwing and stubble removal rotary tiller described in any one of embodiments 1-4: a fence-type cover plate 25 is provided above the coulter shaft assembly 21 .

Embodiment 6, in the non-missing tillage cross-axis drive soil throwing and stubble removal rotary tiller described in Embodiment 5: the fence-type cover plate 25 is arc-shaped.

Embodiment 7, in the non-missing tillage cross-axis drive soil throwing and stubble removal rotary tiller described in any one of embodiments 1-6: the intermediate transmission box 5 is fixed with a mounting bracket 26 .

Embodiment 8, in the non-missing tillage cross shaft transmission soil throwing and stubble removal rotary tiller described in any one of embodiments 1-7: the milling cutter assembly 12 is composed of a shaft sleeve or a coupling and is installed on the shaft sleeve or coupling Composed of milling cutters on the machine.

Embodiment 9, in the non-missing tillage cross shaft transmission described in embodiment 8, throwing soil and stubble removal rotary tiller: several installation and adjustment screw holes are provided on the milling cutter transmission shaft 11, and several screw holes are provided on the shaft sleeve or coupling. There are installation adjustment screws matching the installation adjustment screw holes.

Example 10, in the non-missing tillage cross-axis drive rotary tiller for throwing soil and stubble removal described in Example 1: the milling cutter 12 is arranged in a spiral shape.

Claims (10)

1. A rotary tiller without missing tillage cross shaft transmission, which includes a gearbox, is characterized in that the gearbox adopts an intermediate transmission mode, and it consists of an input gearbox assembly, an intermediate transmission box assembly and Composition of output gearbox assembly; The input gearbox assembly includes an input gearbox body, the input gearbox body is provided with a power input shaft and an intermediate transmission shaft, and the power input shaft and the intermediate transmission shaft are respectively provided with meshing power input gears and upper transmission gears; The intermediate transmission case assembly includes an intermediate transmission case, and the intermediate transmission shaft extends from the input transmission case to the intermediate transmission case; The output gearbox assembly includes an output gearbox body, an intermediate transmission shaft extends from the intermediate transmission casing to the output gearbox body, and a lower transmission gear is arranged on the intermediate transmission shaft in the output gearbox body, and the output gearbox The body is also provided with a power output shaft and a milling cutter transmission shaft. The milling cutter transmission shaft is provided with a milling cutter transmission gear, and the power output shaft is provided with a power output gear meshing with the lower transmission gear and the milling cutter transmission gear. The power output shaft is arranged on the output gearbox body through the bearing and the bearing oil seal seat, and the milling cutter assembly is connected to the milling cutter transmission shaft protruding from the output gearbox body; The two ends of the intermediate transmission box are respectively fixedly connected to the input gearbox body and the output gearbox body; The two ends of the power output shaft protrude from the output gearbox body to connect with the coupling with flange, the coupling is connected with the coulter shaft assembly with flange through the flange, and installed on the coupling There is a coulter magazine, on which coulters are installed; the coulter shaft assembly is connected to the support shaft with the flange through the flange, the support shaft is connected to the support arm through the bearing and the bearing oil seal seat, and the support arm passes through The supporting housing is connected with the input gearbox housing. 2. The non-missing tillage cross shaft drive soil throwing and stubble removal rotary tiller according to claim 1, characterized in that: the milling cutter drive shaft is connected to the output gearbox body through a bearing and a bearing oil seal seat. 3. The non-missing tillage cross shaft transmission soil-throwing and stubble removal rotary tiller according to claim 2, characterized in that: around the bearing and the bearing oil seal seat where the milling cutter drive shaft is installed, there is a grass cover on top. 4. The non-missing tillage cross shaft transmission soil throwing and stubble removal rotary tiller according to claim 1, characterized in that: a lubricating oil chamber is provided in the bearing and bearing oil seal seat connected to the support arm, and the bearing and bearing oil seal seat are provided with lubricating oil chambers. There is also an oil filling port communicating with the lubricating oil chamber on the top. 5. The non-missing tillage cross shaft drive soil throwing and stubble removal rotary tiller according to claim 1, characterized in that: a fence-type cover plate is arranged above the coulter shaft assembly. 6. The non-missing-tillage cross-shaft drive rotary tiller for throwing soil and stubble removal according to claim 5, characterized in that: the fence-type cover plate is arc-shaped. 7. The non-missing tillage cross-shaft drive rotary tiller for throwing soil and stubble removal according to claim 1, characterized in that: a mounting bracket is fixed on the middle transmission box. 8. The non-missing tillage cross shaft transmission soil throwing and stubble removal rotary tiller according to claim 1, characterized in that: the milling cutter assembly consists of a shaft sleeve or a coupling and a milling cutter mounted on the shaft sleeve or coupling. Composition of rotary knives. 9. The non-missing tillage cross shaft drive rotary tiller for throwing soil and stubble removal according to claim 8, characterized in that: there are several installation and adjustment screw holes on the drive shaft of the milling cutter, and on the shaft sleeve or the coupling There are installation adjustment screws matched with the installation adjustment screw holes. 10. The non-missing tillage cross-axis drive soil throwing and stubble removal rotary tiller according to claim 8 or 9, characterized in that: the milling cutter is arranged in a spiral shape.

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