CN219388591U

CN219388591U - Shifting fork type gear transmission mechanism and double-body engine

Info

Publication number: CN219388591U
Application number: CN202320589700.3U
Authority: CN
Inventors: 陈德军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-21
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to a shifting fork type gear transmission mechanism and a double-body engine, which comprise a gear box, a main gear, a pinion, an output gear and a shifting fork component arranged on one side of the output gear, wherein the main gear, the pinion and the output gear are rotatably connected in the gear box, the shifting fork component comprises a shifting fork which penetrates through the gear box, the position, close to the pinion, on one side of the gear box is movably connected with the middle part of the shifting fork, and the shifting fork component can move the pinion to enable the pinion to be meshed with the output gear. When the truck is overloaded, the shifting fork is used for controlling the gear transmission mechanism to enable the two engines to work simultaneously, double power is generated, and enough driving power is provided when the truck is overloaded; when the truck is empty or lightly loaded, the gear transmission mechanism is controlled by the shifting fork, and only one main engine is used for working, so that considerable fuel oil can be saved and great economic benefit can be obtained when the truck is used for a long time for transportation vehicles with more empty load paths.

Description

Shifting fork type gear transmission mechanism and double-body engine

Technical Field

The utility model relates to the technical field of automobile engines, in particular to a shifting fork type gear transmission mechanism and a double-body engine.

Background

Along with the rapid development of logistics, transportation industry in China, the trucks are developing to high speed and high performance. At present, the power allocation of the trucks in China is designed and manufactured according to the rated power of the maximum load, so that the trucks still work under high power under no load or light load, and the redundant consumption of fuel is caused, and the requirements of energy conservation and consumption reduction carried out by China are not met. Along with the rapid development of society, the energy demand is continuously improved, how to save energy and maximize the energy utilization efficiency becomes a realistic problem.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing a shifting fork type gear transmission mechanism and a double-body engine.

The utility model is realized by the following technical scheme:

the utility model provides a shift fork type gear drive mechanism, includes the gear box, rotates and connects in inside master gear, pinion, the output gear of gear box and locates the shift fork subassembly of output gear one side, master gear meshes with the output gear, the shift fork subassembly can remove the pinion, makes the pinion meshes with the output gear.

According to the above technical scheme, preferably, the output gear is located between the main gear and the pinion, the gear box is rotationally connected with a main shaft, a countershaft and a power output shaft, the main shaft, the countershaft and the power output shaft are arranged in parallel, the power output shaft is located between the main shaft and the countershaft, the main gear is fixedly connected to the main shaft, the output gear is fixedly connected to the power output shaft, and the pinion is located on the countershaft.

According to the above-described aspect, preferably, the pinion is capable of reciprocating sliding along an axial direction of the counter shaft, and the counter shaft is capable of driving the pinion to rotate.

According to the above technical scheme, preferably, the shifting fork assembly comprises a shifting fork penetrating through the gear box, and the position, close to the pinion, on one side of the gear box is movably connected with the middle part of the shifting fork.

According to the above technical scheme, preferably, a kidney-shaped hole is formed in the side wall of the gear box, and the shifting fork penetrates through the kidney-shaped hole.

According to the above technical scheme, preferably, the shifting fork assembly further comprises a connecting lug fixedly connected to the waist-shaped hole of the side wall of the gear box, and the middle part of the shifting fork is hinged with the connecting lug.

The patent also discloses a twin engine, including above-mentioned shift fork formula gear drive, the main engine that the main shaft is connected and the auxiliary engine that is connected with the countershaft.

The beneficial effects of the utility model are as follows:

when the truck is overloaded, the shifting fork is used for controlling the gear transmission mechanism to enable the two engines to work simultaneously, double power is generated, and enough driving power is provided when the truck is overloaded; when the truck is empty or lightly loaded, the gear transmission mechanism is controlled by the shifting fork, and only one main engine is used for working, so that considerable fuel oil can be saved and great economic benefit can be obtained when the truck is used for a long time for transportation vehicles with more empty load paths.

Drawings

Fig. 1 is a schematic top view of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic perspective view of a second embodiment of the present utility model.

In the figure: 1. a main engine; 2. a sub-engine; 3. a main gear; 4. a power output shaft; 5. an output gear; 6. a second limiting ring; 7. a pinion gear; 8. a shifting fork; 9. a first stop collar; 10. and a connecting lug.

Detailed Description

The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Embodiment 1 As shown in the figure, the utility model comprises a gear box, a main gear 3, a pinion 7, an output gear 5 and a shifting fork assembly, wherein the main gear 3 is rotatably connected to the inside of the gear box, the shifting fork assembly is arranged on one side of the output gear 5, the main gear 3 is meshed with the output gear 5, and the shifting fork assembly can move the pinion 7 to enable the pinion 7 to be meshed with the output gear 5.

According to the above embodiment, preferably, the output gear 5 is located between the main gear 3 and the auxiliary gear 7, the gear box is rotatably connected with a main shaft, an auxiliary shaft and a power output shaft 4 through bearings respectively, the main shaft, the auxiliary shaft and the power output shaft 4 are parallel to each other, one ends of the main shaft, the auxiliary shaft and the power output shaft 4 respectively extend outwards through the gear box, the power output shaft 4 is located between the main shaft and the auxiliary shaft, the main gear 3 is fixedly connected to the main shaft, the output gear 5 is fixedly connected to the power output shaft 4, and the auxiliary gear 7 is located on the auxiliary shaft. The pinion 7 can slide reciprocally along the axial direction of the auxiliary shaft, and the auxiliary shaft can drive the pinion 7 to rotate, in this example, the auxiliary shaft is preferably but not limited to a spline shaft, and the inner ring structure of the pinion 7 is adapted to the spline shaft, so that the pinion 7 can slide reciprocally along the axial direction of the auxiliary shaft and rotate along with the rotation of the auxiliary shaft. In addition, in this example, a first limiting ring 9 and a second limiting ring 6 may be further installed on the auxiliary shaft, the first limiting ring 9 and the second limiting ring 6 are fixedly connected outside the auxiliary shaft, when the pinion 7 abuts against the first limiting ring 9, the pinion 7 is disengaged from the output gear 5, and when the pinion 7 abuts against the second limiting ring 6, the pinion 7 is meshed with the output gear 5.

According to the above embodiment, preferably, the fork assembly includes a fork 8 penetrating through the gear case, and a position of one side of the gear case near the pinion 7 is movably connected with a middle portion of the fork 8. The side wall of the gear box is provided with a kidney-shaped hole along the horizontal direction, the shifting fork 8 penetrates through the kidney-shaped hole, the shifting fork assembly further comprises a connecting lug 10 fixedly connected to the kidney-shaped hole of the side wall of the gear box, and the middle part of the shifting fork 8 is hinged to the connecting lug 10. In this example, the movable connection mode is hinged, the pinion 7 is located in a notch of the shifting fork, the shifting fork is driven to enable the pinion 7 to move to a position meshed with the output gear 5, and the shifting fork can enable the pinion 7 to be out of meshed relation with the output gear 5.

Embodiment 2 this patent also discloses a twin engine comprising the above-mentioned fork-type gear transmission, a primary engine 1 connected to a primary shaft and a secondary engine 2 connected to a secondary shaft, in this case the primary and secondary engines are preferably but not limited to two in-line four-cylinder or six-cylinder engines. The utility model can meet the power requirements under the conditions of no load (light load) and heavy load, so that the vehicle has enough driving power when in heavy load and has good running economy when in no load. The specific working principle is as follows: the main gear and the output gear are normally meshed gears, the auxiliary gear and the output gear are very meshed gears, and the auxiliary gear can be pushed to move forwards and backwards through the shifting fork component; when the automobile is in idle load, the auxiliary gear and the output gear are not meshed, only the main engine works at the moment, the auxiliary engine does not work, the power of the main engine is transmitted to the output gear through the main gear, and then the power is output through the power output shaft, so that the purpose of saving oil is achieved; when the automobile is overloaded, the auxiliary gear is pushed to be meshed with the output gear through the shifting fork structure, and at the moment, the main engine and the auxiliary engine work, and power is output through the power output shaft, so that the overload power is achieved.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a shift fork type gear drive mechanism, its characterized in that includes gear box, rotates main gear (3), pinion (7) in the gear box inside, output gear (5) and locates the shift fork subassembly of output gear (5) one side, main gear (3) meshes with output gear (5), shift fork subassembly can remove pinion (7), makes pinion (7) mesh with output gear (5).

2. A shift fork gear transmission according to claim 1, characterized in that the output gear (5) is located between the main gear (3) and the secondary gear (7).

3. A shift fork type gear transmission mechanism according to claim 1, wherein the gear box is rotationally connected with a main shaft, a secondary shaft and a power output shaft (4), the main shaft, the secondary shaft and the power output shaft (4) are arranged in parallel, the power output shaft (4) is positioned between the main shaft and the secondary shaft, the main gear (3) is fixedly connected to the main shaft, the output gear (5) is fixedly connected to the power output shaft (4), and the secondary gear (7) is positioned on the secondary shaft.

4. A shift fork gear transmission according to claim 3, characterized in that the pinion (7) is reciprocally slidable in the axial direction of the countershaft and that the countershaft is capable of driving the pinion (7) in rotation.

5. A shift fork gear transmission according to any of claims 1-4, characterized in that the shift fork assembly comprises a shift fork (8) arranged through the gearbox, wherein a position on one side of the gearbox near the pinion (7) is movably connected with the middle part of the shift fork (8).

6. A shift fork type gear transmission mechanism according to claim 5, wherein the side wall of the gear box is provided with a kidney-shaped hole, and the shift fork (8) is arranged through the kidney-shaped hole.

7. The shifting fork type gear transmission mechanism according to claim 6, wherein the shifting fork assembly further comprises a connecting lug (10) fixedly connected to a waist-shaped hole on the side wall of the gear box, and the middle part of the shifting fork is hinged with the connecting lug (10).

8. A twin engine comprising the fork-type gear transmission according to any one of claims 1-7, characterized by a main engine (1) connected to the main shaft and a secondary engine (2) connected to the secondary shaft.