CN219139728U

CN219139728U - Speed changing device

Info

Publication number: CN219139728U
Application number: CN202221198023.4U
Authority: CN
Inventors: 李超; 张敏
Original assignee: Xinxiang Fengshuo Agricultural Machinery Co ltd
Current assignee: Xinxiang Fengshuo Agricultural Machinery Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2023-06-06
Anticipated expiration: 2032-05-17

Abstract

The utility model provides a speed changing device, relates to the technical field of mechanical equipment, and solves the technical problem that a speed changer in the prior art cannot directly provide power for at least two mechanisms at the same time. The speed change device comprises a case, an input shaft, a first output assembly, a second output assembly and a transmission shaft, wherein the input shaft, the transmission shaft, an output shaft of the first output assembly and an output shaft of the second output assembly are rotatably arranged on the case, the input shaft is in transmission connection with the first output assembly, and the first output assembly is in transmission connection with the second output assembly through the transmission shaft. The utility model is used for directly driving at least two mechanisms, and solves the problems of high failure rate and increased maintenance cost caused by additionally arranging a transmission device.

Description

Speed changing device

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a speed changing device.

Background

The speed variator is a mechanism for changing the rotation speed and torque from an engine, and is frequently adopted for transmission in agricultural machinery, but the current speed variator is a speed change gearbox in the prior art, which is a main output shaft, can not simultaneously provide power for at least two mechanisms, and further needs to transmit the power to other mechanisms for driving through a belt pulley or a chain wheel arranged on the main output shaft.

Disclosure of Invention

The utility model aims to provide a speed changing device, which solves the technical problem that a speed changer in the prior art cannot directly supply power to at least two mechanisms at the same time. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a speed change device which comprises a chassis, an input shaft, a first output assembly, a second output assembly and a transmission shaft, wherein the input shaft, the transmission shaft, an output shaft of the first output assembly and an output shaft of the second output assembly are rotatably arranged on the chassis, the input shaft is in transmission connection with the first output assembly, and the first output assembly is in transmission connection with the second output assembly through the transmission shaft.

Preferably, the first output assembly comprises a first output shaft and a first bevel gear, a second bevel gear is arranged on the input shaft, the input shaft is perpendicular to the first output assembly and connected, and the first bevel gear is meshed with the second bevel gear.

Preferably, the first output assembly further comprises a first gear arranged on the first output shaft, a second gear is arranged on the transmission shaft, and the first gear and the second gear are meshed with each other.

Preferably, the second output assembly comprises a second output shaft and a fourth gear, a third gear is arranged on the transmission shaft, and the third gear is meshed with the fourth gear.

Preferably, the first output shaft, the transmission shaft, and the second output shaft are parallel to each other.

Preferably, one end of the first output shaft extends out of the chassis.

Preferably, one end of the second output shaft extends out of the chassis.

Preferably, one end of the input shaft is located outside the case and provided with a spline.

The application adopts the technical scheme, possesses following beneficial effect at least:

the first output assembly and the second output assembly at least comprise two output shafts, wherein the at least two output shafts are used for outputting power and can be directly connected with at least two mechanisms for direct driving of the at least two mechanisms, so that the problem of high failure rate of the mechanisms caused by the way of additionally arranging a belt pulley and a chain wheel on a rotating shaft outside the output shafts can be avoided, and the maintenance cost is indirectly reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a transmission according to an embodiment of the present utility model;

fig. 2 is a schematic side cross-sectional view of a transmission according to an embodiment of the present utility model.

In the figure, 1, a case; 2. an input shaft; 3. a first output assembly; 4. a second output assembly; 5. a transmission shaft; 6. a first output shaft; 7. a first bevel gear; 8. a second bevel gear; 9. a first gear; 10. a second gear; 11. a second output shaft; 12. a fourth gear; 13. and a third gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The specific embodiment of the utility model provides a speed change device, which is shown in the accompanying drawings 1 and 2, and mainly comprises a case 1, an input shaft 2, a first output assembly 3, a second output assembly 4 and a transmission shaft 5, wherein the input shaft 2, the transmission shaft 5, an output shaft of the first output assembly 3 and an output shaft of the second output assembly 4 are rotatably arranged on the case 1, the input shaft 2 is in transmission connection with the first output assembly 3, and the first output assembly 3 is in transmission connection with the second output assembly 4 through the transmission shaft 5.

The input shaft 2, the first output assembly 3, the second output assembly 4 and the transmission shaft 5 are all arranged inside the case, and the input shaft 2, the transmission shaft 5, the output shaft of the first output assembly 3 and the output shaft of the second output assembly 4 are all rotatably arranged on the case 1, and the connection mode between each shaft and the case 1 can adopt bearing connection. The input shaft 2 is a power input shaft, the outside of the input shaft 2 is used for being connected with a motor, the input shaft 2 is in transmission connection with the first output assembly 3, power is provided for the first output assembly 3, the first output assembly 3 is used for outputting the power of the motor to an external mechanism, the output shaft on the first output assembly 3 is connected with the external mechanism, the effect of driving one external mechanism can be achieved at the moment, the first output assembly 3 is in transmission connection with the second output assembly 4 through the transmission shaft 5, the power on the first output assembly 3 is transmitted to the second output assembly 4 through the transmission shaft 5 and is output by the second output assembly 4, in the process, the transmission shaft 5 can be used for speed change through gear transmission, so that the rotation speed of the output shaft of the second output assembly 4 is different from the rotation speed of the output shaft of the first output assembly 3, at the moment, the first output assembly 3 and the second output assembly 4 can be used for driving another external mechanism, and at least two external mechanisms can be driven.

In one embodiment, the first output assembly 3 includes a first output shaft 6 and a first bevel gear 7, the input shaft 2 is provided with a second bevel gear 8, the input shaft 2 is connected perpendicular to the first output assembly 3, and the first bevel gear 7 is meshed with the second bevel gear 8.

The first output shaft 6 is driven to rotate by the input shaft 2 through the mutual meshing between the first bevel gear 7 and the second bevel gear 8, one end of the first output shaft 6 extends out of the case 1 and is used for being connected with an external mechanism, wherein the number of the first output assemblies 3 can be two, the first output shaft 6 and the two first bevel gears 7 are included, the two first output shafts 6 are arranged on two sides of the second bevel gear 8 in parallel, and therefore two different mechanism actions can be driven through the two first output shafts 6, and the number of the first output assemblies 3 in the application is one.

In one embodiment, the first output assembly 3 further comprises a first gear 9 disposed on the first output shaft 6, and a second gear 10 disposed on the drive shaft 5, the first gear 9 and the second gear 10 being intermeshed.

The first output shaft 6 and the transmission shaft 5 are geared, and the gear ratio of the first gear 9 and the second gear 10 can be designed according to the rotation speed of the second output shaft 11.

In one embodiment, the second output assembly 4 includes a second output shaft 11 and a fourth gear 12, and the transmission shaft 5 is provided with a third gear 13, and the third gear 13 is meshed with the fourth gear 12.

The gear ratio of the third gear 13 to the fourth gear 12 may be designed according to the required rotation speed of the second output shaft 11. The second output assembly 4 can also be designed as two or more, so that different external mechanisms can be driven by different second output assemblies 4. One end of the second output shaft 11 extends out of the case 1 and is used for connecting an external mechanism.

The first output shaft 6, the transmission shaft 5 and the second output shaft 11 are parallel to each other to ensure that the first gear 9 and the second gear 10, and the third gear 13 and the fourth gear 12 can normally transmit.

One end of the input shaft 2 is positioned outside the case 1 and provided with a spline, and the other end extends into the case 1 and is meshed with the first bevel gear 7 through the second bevel gear 8.

In the present disclosure, the terms "one embodiment," "some embodiments," "examples," "specific examples," "some examples," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a speed change gear, its characterized in that, including quick-witted case (1), input shaft (2), first output subassembly (3), second output subassembly (4) and transmission shaft (5), input shaft (2) transmission shaft (5) the output shaft of first output subassembly (3) and the output shaft of second output subassembly (4) all rotatable setting is in on quick-witted case (1), input shaft (2) with first output subassembly (3) transmission connection, first output subassembly (3) with second output subassembly (4) are passed through transmission shaft (5) transmission connection.

2. A gear change device according to claim 1, characterized in that the first output assembly (3) comprises a first output shaft (6) and a first bevel gear (7), a second bevel gear (8) is arranged on the input shaft (2), the input shaft (2) is connected perpendicular to the first output assembly (3), and the first bevel gear (7) is intermeshed with the second bevel gear (8).

3. A gear change device according to claim 2, characterized in that the first output assembly (3) further comprises a first gear (9) arranged on the first output shaft (6), that the transmission shaft (5) is provided with a second gear (10), that the first gear (9) and the second gear (10) are in engagement with each other.

4. A gear change device according to claim 3, characterized in that the second output assembly (4) comprises a second output shaft (11) and a fourth gear (12), a third gear (13) is arranged on the transmission shaft (5), and the third gear (13) is meshed with the fourth gear (12).

5. A gear change device according to claim 4, characterized in that the first output shaft (6), the drive shaft (5) and the second output shaft (11) are parallel to each other.

6. A gear change device according to claim 2, characterized in that one end of the first output shaft (6) extends outside the housing (1).

7. A gear change device according to claim 4, characterized in that one end of the second output shaft (11) extends outside the housing (1).

8. A gear change device according to claim 1, characterized in that one end of the input shaft (2) is located outside the housing (1) and is provided with splines.