CN209977165U - Reverse gear device - Google Patents
Reverse gear device Download PDFInfo
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- CN209977165U CN209977165U CN201920163793.7U CN201920163793U CN209977165U CN 209977165 U CN209977165 U CN 209977165U CN 201920163793 U CN201920163793 U CN 201920163793U CN 209977165 U CN209977165 U CN 209977165U
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Abstract
The utility model discloses an application gear equipment technical field specifically discloses a reverse gear device; the engine comprises a case, an input shaft connected with an engine is arranged inside the case, a first gear is fixedly mounted on the input shaft, a reversing shaft parallel to the input shaft is further arranged in the case, the axis of the reversing shaft and the axis of the input shaft are positioned on the same horizontal plane in the case, a second gear and a third gear are arranged on the reversing shaft at intervals, the second gear is meshed with the first gear, and the diameter of the addendum circle of the second gear is smaller than that of the third gear; an output shaft is further arranged in the case, a fourth gear is connected to the output shaft in a sliding manner, and a shifting fork ring capable of driving the fourth gear to slide along the axial direction of the output shaft is fixedly connected to the fourth gear; the fourth gear is positioned in a forward state and meshed with the first gear, and the fourth gear is positioned in a backward state and meshed with the third gear.
Description
Technical Field
The utility model discloses the application belongs to gear equipment technical field, specifically discloses a reverse gear ware.
Background
An Engine (Engine) is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (gasoline engines, etc.), external combustion engines (stirling engines, steam engines, etc.), electric motors, etc. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device, and can also refer to the whole machine (such as a gasoline engine and an aircraft engine) comprising the power device. Engines were first introduced in the united kingdom, and the engine concept is also derived from english, which is meant in its meaning as "power generating machinery".
The output end of the engine is generally an output shaft, the engine transmits power to the output shaft, and the output shaft drives other machines to operate. However, the society is rapidly developed, and the rotating direction of the output shaft of the engine is often required to be changed to meet the use conditions of different scenes or working conditions, so that a reverse gear device which can be directly connected with the engine and can be controlled is urgently needed to change the direction of the output power of the engine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reverse gear ware to solve above-mentioned problem.
In order to achieve the above object, the basic scheme of the utility model is:
a reverse gear comprises a case, wherein an input shaft connected with an engine is arranged in the case, a first gear is fixedly mounted on the input shaft, a reversing shaft parallel to the input shaft is further arranged in the case, the axis of the reversing shaft and the axis of the input shaft are positioned on the same horizontal plane in the case, a second gear and a third gear are arranged on the reversing shaft at intervals, the second gear is meshed with the first gear, and the diameter of the addendum circle of the second gear is smaller than that of the third gear; an output shaft is further arranged in the case, a fourth gear is connected to the output shaft in a sliding manner, and a shifting fork ring capable of driving the fourth gear to slide along the axial direction of the output shaft is fixedly connected to the fourth gear; the fourth gear is meshed with the first gear in a forward state, and is meshed with the third gear in a backward state.
The working principle of the basic scheme is as follows:
in the scheme, the case is used for containing various parts of the device, the engine transmits power to the input shaft of the device, the input shaft is driven to rotate, and the first gear on the input shaft rotates along with the input shaft; a reversing shaft parallel to the input shaft is further arranged in the case, the axis of the reversing shaft and the axis of the input shaft are positioned on the same horizontal plane in the case, a second gear and a third gear are arranged on the reversing shaft at intervals, and the second gear is meshed with the first gear; the gearbox is also provided with an output shaft, a fourth gear is connected to the output shaft in a sliding manner, a shifting fork ring capable of driving the fourth gear to slide along the axial direction of the output shaft is fixedly connected to the fourth gear, the fourth gear is meshed with the first gear in a forward state, and the fourth gear is meshed with the third gear in a backward state;
forward gear: the input shaft drives the first gear to rotate, and at the moment, the fourth gear on the output shaft can be just directly meshed with the first gear, namely, the first gear drives the fourth gear to rotate, so that the fourth gear drives the output shaft to rotate, and the output shaft drives other machines connected with the output shaft to rotate; the first gear and the fourth gear are in opposite directions, i.e. the output shaft and the input shaft are in opposite directions.
Backing gear: the input shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the reversing shaft to rotate, the reversing shaft drives the third gear to rotate, at the moment, the fourth gear shifts the shifting fork ring through the external shifting fork rod to change the position, at the moment, the fourth gear is not meshed with the first gear any more but is meshed with the third gear, the third gear drives the fourth gear to rotate, and then the output shaft is driven to rotate, at the moment, the rotation of the output shaft is the same as the rotation of the input shaft.
In the process, the rotation direction of the output shaft is changed by changing the meshing object of the fourth gear, so that different rotation directions of forward movement and backward movement are realized; this is a reverse gear of the scheme; and the diameter of the addendum circle of the second gear is smaller than that of the addendum circle of the third gear, so that the fourth gear can be prevented from contacting with the second gear when being meshed with the first gear, and the transmission stability is ensured.
Furthermore, the output shaft is parallel to the plane of the input shaft and the reversing shaft, and the projection of the output shaft on the plane is positioned on the central line of the connecting line of the axes of the input shaft and the reversing shaft.
Furthermore, the output shaft is provided with a spline, and the fourth gear is provided with a key groove matched with the spline, so that the fourth gear can slide on the axis of the output shaft.
Furthermore, the input shaft, the reversing shaft and the output shaft are all connected with the case through bearings.
Furthermore, a circle of annular shifting fork groove for inserting the shifting fork rod is formed in the shifting fork ring, so that the shifting fork rod can be conveniently inserted into the shifting fork groove, and dislocation is avoided.
Furthermore, a clutch is arranged on the input shaft, so that gear shifting is convenient to operate.
Furthermore, a support is arranged on the reversing shaft, and the support is stable.
Drawings
Fig. 1 is a schematic view of a forward gear structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a backward shift structure according to an embodiment of the present invention;
fig. 3 is a top view of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the gearbox comprises a case 1, an output shaft 2, an input shaft 3, a support 4, a fourth gear 5, a first gear 6, a second gear 7, a clutch 8, a shifting fork ring 9, a third gear 10 and a reversing shaft 11.
The examples are substantially as shown in figures 1 to 3:
a reverse gear comprises a case 1, wherein an input shaft 3 connected with an engine is arranged in the case 1, a first gear 6 is fixedly mounted on the input shaft 3, a reversing shaft 11 parallel to the input shaft 3 is further arranged in the case 1, the axis of the reversing shaft 11 and the axis of the input shaft 3 are positioned on the same horizontal plane in the case 1, a second gear 7 and a third gear 10 are arranged on the reversing shaft 11 at intervals, the second gear 7 is meshed with the first gear 6, and the diameter of the addendum circle of the second gear 7 is smaller than that of the third gear 10; an output shaft 2 is further arranged in the case 1, a fourth gear 5 is connected to the output shaft 2 in a sliding manner, and a shifting fork ring 9 capable of driving the fourth gear 5 to slide along the axial direction of the output shaft 2 is fixedly connected to the fourth gear 5; the fourth gear 5 is engaged with the first gear 6 in the forward state, and the fourth gear 5 is engaged with the third gear 10 in the reverse state. The output shaft 2 is parallel to the plane of the input shaft 3 and the reversing shaft 11, and the projection of the output shaft 2 on the plane is positioned on the central line of the connecting line of the axis of the input shaft 3 and the axis of the reversing shaft 11. The output shaft 2 is provided with a spline, and the fourth gear 5 is provided with a key groove matched with the spline. A circle of annular shifting fork groove for inserting the shifting fork rod is arranged on the shifting fork ring 9. The input shaft 3 is provided with a clutch 8, so that gear shifting is convenient to operate. The reversing shaft 11 is provided with a support 4 which is firmly supported
Forward gear: the input shaft 3 drives the first gear 6 to rotate, and at the moment, the fourth gear 5 on the output shaft 2 can be just directly meshed with the first gear 6, namely, the first gear 6 drives the fourth gear 5 to rotate, so that the fourth gear 5 drives the output shaft 2 to rotate, and the output shaft 2 drives other machines connected with the output shaft 2 to rotate; the first gear 6 and the fourth gear 5 now rotate in opposite directions, i.e. the output shaft 2 and the input shaft 3 rotate in opposite directions.
Backing gear: the input shaft 3 drives the first gear 6 to rotate, the first gear 6 drives the second gear 7 to rotate, the second gear 7 drives the reversing shaft 11 to rotate, the reversing shaft 11 drives the third gear 10 to rotate, at the moment, the fourth gear 5 stirs the shifting fork ring 9 through an external shifting fork rod to change the position, at the moment, the fourth gear 5 is not meshed with the first gear 6 any more, but meshed with the third gear 10, the third gear 10 drives the fourth gear 5 to rotate, and then the output shaft 2 is driven to rotate, at the moment, the rotation of the output shaft 2 is the same as the rotation of the input shaft 3.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. A reverse gear device is characterized by comprising a case, wherein an input shaft connected with an engine is arranged in the case, a first gear is fixedly mounted on the input shaft, a reversing shaft parallel to the input shaft is further arranged in the case, the axis of the reversing shaft and the axis of the input shaft are positioned on the same horizontal plane in the case, a second gear and a third gear are arranged on the reversing shaft at intervals, the second gear is meshed with the first gear, and the diameter of the addendum circle of the second gear is smaller than that of the third gear; an output shaft is further arranged in the case, a fourth gear is connected to the output shaft in a sliding manner, and a shifting fork ring capable of driving the fourth gear to slide along the axial direction of the output shaft is fixedly connected to the fourth gear; the fourth gear is meshed with the first gear in a forward state, and is meshed with the third gear in a backward state.
2. The reverser according to claim 1, wherein the output shaft is parallel to a plane in which the input shaft and the reversing shaft lie, and a projection of the output shaft on the plane is located on a centerline of a line connecting the axes of the input shaft and the reversing shaft.
3. The reverse gear device according to claim 1, wherein the output shaft is provided with a spline, and the fourth gear is provided with a key groove engaged with the spline.
4. The reverse gear device according to claim 1, wherein the input shaft, the reversing shaft and the output shaft are connected with the chassis through bearings.
5. The reverse gear device according to claim 1, wherein the fork ring is provided with a ring-shaped fork groove for insertion of the fork rod.
6. The reverse gear of claim 1, wherein the input shaft is provided with a clutch.
7. The reverse gear device according to claim 1, wherein a support is provided on the reversing shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163793.7U CN209977165U (en) | 2019-01-30 | 2019-01-30 | Reverse gear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163793.7U CN209977165U (en) | 2019-01-30 | 2019-01-30 | Reverse gear device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977165U true CN209977165U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920163793.7U Active CN209977165U (en) | 2019-01-30 | 2019-01-30 | Reverse gear device |
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| Country | Link |
|---|---|
| CN (1) | CN209977165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844455A (en) * | 2020-08-03 | 2020-10-30 | 张海娟 | Concrete mixer |
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2019
- 2019-01-30 CN CN201920163793.7U patent/CN209977165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844455A (en) * | 2020-08-03 | 2020-10-30 | 张海娟 | Concrete mixer |
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