Transmission gear carrier for engine transmission system

Abstract

The utility model relates to the technical field of engines, in particular to a transmission gear carrier for an engine transmission system, which comprises a gear frame, the gear frame is composed of two vertical plates and two transverse plates, the vertical plates and the transverse plates are mutually overlapped and form a rectangular frame structure, a first bearing is arranged in the middle of each transverse plate in a penetrating manner, and a second bearing is arranged in the middle of each transverse plate. The outer ring wall of the first bearing and the connecting position of the transverse plate are fixedly assembled through a screw, a shaft rod is arranged on the inner ring wall of the first bearing in an interference fit mode, a planetary gear is arranged at the lower end of the shaft rod, the surface of the planetary gear and the end of the shaft rod are fixed through welding, and a second bearing is arranged in the middle of the vertical plate in a penetrating mode. A rectangular frame structure formed by the vertical plate and the transverse plate can serve as a frame body structure for bearing transmission of the planetary gear and the half axle gear, the adjacent vertical plate and the transverse plate can be separated, the flexibility is higher when the gears are assembled and meshed with each other, and meanwhile the connecting positions of the vertical plate and the transverse plate are connected and installed through the connecting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to a transmission gear frame used in an engine transmission system. Background Art

[0002] In the engine transmission system of an automobile or other mechanical equipment, the transmission gear carrier is an important component. It is usually made of metal and is used to support the rotating gears and provide a structure to transmit power. The transmission gear carrier can be of various forms and sizes, depending on the specific machine or equipment it is applied to.

[0003] The main functions of the transmission gear rack include:

[0004] Support: It provides the necessary support structure for the rotating gears, ensuring that the gears can rotate in the correct position and transmit power efficiently;

[0005] Keep gears engaged: In a multi-stage gear transmission, the gear carrier ensures that the driving gear and the driven gear are properly meshed together to achieve effective power transmission;

[0006] Axial positioning: The gear carrier also provides axial positioning to prevent the gear from sliding or misaligning on the shaft;

[0007] Heat Treatment: Some gear carriers may need to be heat treated to increase their strength and wear resistance.

[0008] At present, conventional engines need to transmit power through multiple sets of gears, and the position where the gears mesh with each other is the core position of the transmission mechanism. In order to ensure the stability of the mutual transmission between the gears, it is necessary to design a transmission gear frame structure with a stable load-bearing capacity to facilitate the safety of the mutual transmission between the gears. Utility Model Content

[0009] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose a transmission gear frame for an engine transmission system.

[0010] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0011] A transmission gear frame for an engine transmission system is designed, comprising a gear frame, the gear frame being composed of two vertical plates and two horizontal plates, and the vertical plates and the horizontal plates are overlapped with each other to form a rectangular frame structure, a first bearing is arranged through the middle position of the horizontal plate, and the outer ring wall of the first bearing and the connecting position of the horizontal plate are fixedly assembled by screws, a shaft rod is interference-fitted on the inner ring wall of the first bearing, and a planetary gear is arranged at the lower end of the shaft rod, and the surface of the planetary gear and the end of the shaft rod are fixed by welding, a second bearing is arranged through the middle position of the vertical plate, and the outer ring wall of the second bearing and the connecting position of the vertical plate are fixedly assembled by screws, an output shaft is interference-fitted on the inner ring wall of the second bearing, and a half-shaft gear is arranged at one end of the output shaft, and the surface of the half-shaft gear is welded and fixed to the end of the output shaft, and the surface of the half-shaft gear is meshed with the surface of the planetary gear adjacent to each other.

[0012] In detail, the output shaft is divided into a left shaft and a right shaft, the end of the right shaft is fixedly installed with a linkage shaft through a coupling, a linkage gear is penetrated through the surface of the linkage shaft, and the connection position between the linkage gear and the linkage shaft is fixed by welding.

[0013] In detail, a connecting frame is provided at the connecting corner position of the vertical plate and the horizontal plate. The connecting frame is a right-angle frame structure. The surface of the vertical plate and the surface of the horizontal plate are respectively welded and fixed with a first limiting ring and a second limiting ring. The first limiting ring and the second limiting ring adjacent to the connecting frame are arranged tightly against each other.

[0014] In detail, a first ring is welded and fixed on the transverse position of the connecting frame, a first screw is penetrated inside the first ring, the other end of the first screw penetrates the inside of the first limiting ring and extends outward, the other end of the first screw is threadedly connected with a first nut, and the end face of the first nut is tightly set against the surface of the first limiting ring.

[0015] In detail, a second ring is welded and fixed on the vertical surface of the connecting frame, a second screw is penetrated inside the second ring, the other end of the second screw penetrates the inside of the second limiting ring and extends outward, the other end of the second screw is threadedly connected with a second nut, and the end face of the second nut is tightly set against the surface of the second limiting ring.

[0016] In detail, both the front and back sides of the vertical plate and the horizontal plate are provided with sealing plates, and the surface of the sealing plate is fixedly assembled with the surface of the corresponding vertical plate or horizontal plate by screws.

[0017] In detail, a mounting frame is arranged on the outward side of the sealing plate, the number of the mounting frames is two, and the mounting frames are symmetrically distributed up and down along the surface of the sealing plate, and the surface of the mounting frame is provided with a mounting hole penetrating the inside thereof.

[0018] The design scheme proposed by the utility model has the following beneficial effects during application:

[0019] 1. The rectangular frame structure formed by the vertical plate and the horizontal plate can be used as a frame structure for carrying the planetary gear and the half-shaft gear transmission. The vertical plate and the horizontal plate can be separated between adjacent plates, which can be more flexible when the gears are assembled and meshed with each other. At the same time, the vertical plate and the horizontal plate are connected and installed at the connection position through a connection frame, and the corresponding screws and nuts can be used to achieve threaded fastening, which ensures the convenience of installation and the stability of the structure.

[0020] 2. By installing a sealing plate structure on both sides of the rectangular frame formed by the vertical plate and the horizontal plate, the gear can be protected from dust and moisture when it is working in the later stage. The sealing plate and the rectangular frame can form a closed space. The sealing plate is also provided with a mounting frame structure, which can be used in equipment or cars to assist in installation and stabilize the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the gear rack of the utility model;

[0023] Figure 3 This is a schematic diagram of the gear rack of the utility model in an oblique top view;

[0024] Figure 4 It is a front structural schematic diagram of the utility model;

[0025] Figure 5 It is a partial enlarged schematic diagram of the installation of the connecting frame of the utility model.

[0026] In the figure: 10, vertical plate; 11, horizontal plate; 12, first bearing; 13, shaft; 14, planetary gear; 15, second bearing; 16, output shaft; 17, half-shaft gear; 20, linkage shaft; 21, linkage gear; 30, connecting frame; 31, first limiting ring; 32, second limiting ring; 33, first ring; 40, first screw; 41, first nut; 42, second screw; 43, second nut; 50, sealing plate; 51, mounting frame; 52, mounting hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Reference Figure 1-Figure 5A transmission gear frame for an engine transmission system includes a gear frame, which is composed of two vertical plates 10 and two horizontal plates 11, and the vertical plates 10 and the horizontal plates 11 are overlapped and arranged to form a rectangular frame structure. A first bearing 12 is arranged through the middle position of the horizontal plate 11, and the outer ring wall of the first bearing 12 and the connecting position of the horizontal plate 11 are fixed by screws. A shaft rod 13 is interference-fitted on the inner ring wall of the first bearing 12, and a planetary gear 14 is arranged at the lower end of the shaft rod 13, and the surface of the planetary gear 14 is fixed to the end of the shaft rod 13 by welding. A second bearing 15 is arranged through the middle position of the vertical plate 10, and the outer ring wall of the second bearing 15 and the connecting position of the vertical plate 10 are fixed by screws. An output shaft 16 is interference-fitted on the inner ring wall of the second bearing 15, and a half-shaft gear 17 is arranged at one end of the output shaft 16, and the surface of the half-shaft gear 17 is welded and fixed to the end of the output shaft 16, and the surface of the half-shaft gear 17 is meshed with the surface of the planetary gear 14 adjacent to the surface of the half-shaft gear 17.

[0029] It should be further explained that the output shaft 16 is divided into a left shaft and a right shaft. The end of the right shaft is fixedly installed with a linkage shaft 20 through a coupling. A linkage gear 21 is provided through the surface of the linkage shaft 20. The connection position between the linkage gear 21 and the linkage shaft 20 is fixed by welding, which can ensure that the transmission gear structure formed by the entire gear frame can have a stable linkage effect.

[0030] It should be further explained that a connecting frame 30 is provided at the connecting corner position of the vertical plate 10 and the horizontal plate 11. The connecting frame 30 is a right-angle frame structure. The surface of the vertical plate 10 and the surface of the horizontal plate 11 are respectively welded and fixed with a first limiting ring 31 and a second limiting ring 32. The first limiting ring 31 and the second limiting ring 32 adjacent to the connecting frame 30 are arranged closely to each other. The two limiting rings adjacent to the connecting frame 30 can be used to limit the connecting frame 30 when it is set at a corner position.

[0031] It should be further explained that a first ring 33 is welded and fixed to the transverse position of the connecting frame 30, a first screw 40 is penetrated inside the first ring 33, the other end of the first screw 40 penetrates through the interior of the first limiting ring 31 and extends outward, and a first nut 41 is threadedly connected to the other end of the first screw 40, and the end face of the first nut 41 is tightly arranged to the surface of the first limiting ring 31, which can ensure the stable installation of the connecting frame 30 and the transverse plate 11.

[0032] It should be further explained that a second ring 34 is welded and fixed to the vertical surface of the connecting frame 30, a second screw 42 is penetrated inside the second ring 34, the other end of the second screw 42 penetrates through the interior of the second limiting ring 32 and extends outward, and a second nut 43 is threadedly connected to the other end of the second screw 42, and the end face of the second nut 43 is tightly set to the surface of the second limiting ring 32, which can ensure the stable installation of the connecting frame 30 and the vertical plate 10.

[0033] It should be further explained that sealing plates 50 are provided on both the front and back of the vertical plate 10 and the horizontal plate 11. The surface of the sealing plate 50 is fixedly assembled with the surface of the corresponding vertical plate 10 or the horizontal plate 11 by screws. The sealing plate 50 can cooperate with the vertical plate 10 and the horizontal plate 11 to form a closed structure, so that it can have a dust and moisture-proof effect when the planetary gear 14 and the half-shaft gear 17 are meshed and installed.

[0034] It should be further explained that a mounting frame 51 is provided on the outward side of the sealing plate 50 , there are two mounting frames 51 , and the mounting frames 51 are symmetrically distributed up and down along the surface of the sealing plate 50 , and the surface of the mounting frame 51 is provided with a mounting hole 52 that passes through the inside thereof.

[0035] Working method: When it is necessary to mesh the planetary gear 14 with the half-shaft gear 17, the plates for installing a single gear, that is, the vertical plate 10 and the horizontal plate 11, are overlapped and arranged with each other, so that the gears can be meshed with each other and installed, and then, the connecting frame 30 is covered at the connecting corner position of the vertical plate 10 and the horizontal plate 11, and the two ends of the connecting frame 30 are respectively tightly pressed against the adjacent first limiting ring 31 and the second limiting ring 32, and the corresponding screws are passed through the corresponding position of the ring, and the corresponding nuts and screws are installed with each other, so that the connecting frame 30 and the vertical plate 10 and the horizontal plate 11 can be stably installed.

[0036] Finally, in order to ensure dust and moisture protection during the gear meshing operation, the sealing plate 50 can be installed on the front of the vertical plate 10 and the horizontal plate 11, and can be fixed to external points through the mounting frame 51.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A transmission gear rack for an engine transmission system, comprising a gear frame, characterized in that: The gear frame is composed of two vertical plates (10) and two horizontal plates (11), and the vertical plates (10) and the horizontal plates (11) are overlapped with each other to form a rectangular frame structure. A first bearing (12) is provided through the middle position of the horizontal plate (11), and the outer ring wall of the first bearing (12) and the connecting position of the horizontal plate (11) are fixedly assembled by screws. A shaft rod (13) is interference-fitted on the inner ring wall of the first bearing (12), and a planetary gear (14) is provided at the lower end of the shaft rod (13), and the surface of the planetary gear (14) is in contact with the shaft rod (1 3) is fixed by welding, a second bearing (15) is provided through the middle position of the vertical plate (10), and the outer ring wall of the second bearing (15) and the connecting position of the vertical plate (10) are fixed by screws, an output shaft (16) is interference-fitted on the inner ring wall of the second bearing (15), and a half-shaft gear (17) is provided at one end of the output shaft (16), and the surface of the half-shaft gear (17) is welded and fixed to the end of the output shaft (16), and the surface of the half-shaft gear (17) is meshed with the surface of the planetary gear (14) adjacent to each other.

2. The transmission gear carrier for an engine transmission system according to claim 1, characterized in that: The output shaft (16) is divided into a left shaft and a right shaft, the end of the right shaft is fixedly mounted with a linkage shaft (20) via a coupling, a linkage gear (21) is provided through the surface of the linkage shaft (20), and the connection position between the linkage gear (21) and the linkage shaft (20) is fixed by welding.

3. The transmission gear carrier for an engine transmission system according to claim 1, characterized in that: A connecting frame (30) is provided at the connecting corner position of the vertical plate (10) and the horizontal plate (11); the connecting frame (30) is a right-angle frame structure; a first limiting ring (31) and a second limiting ring (32) are respectively welded and fixed to the surface of the vertical plate (10) and the surface of the horizontal plate (11); the first limiting ring (31) and the second limiting ring (32) adjacent to the connecting frame (30) are closely arranged to each other.

4. The transmission gear carrier for an engine transmission system according to claim 3, characterized in that: A first sleeve (33) is welded and fixed at a transverse position of the connecting frame (30), a first screw (40) is provided inside the first sleeve (33), the other end of the first screw (40) extends outward through the inside of the first limiting ring (31), the other end of the first screw (40) is threadedly connected to a first nut (41), and the end surface of the first nut (41) is tightly arranged with the surface of the first limiting ring (31).

5. The transmission gear carrier for an engine transmission system according to claim 4, characterized in that: A second ring (34) is welded and fixed at the vertical position of the connecting frame (30), a second screw (42) is arranged inside the second ring (34), the other end of the second screw (42) extends outward through the inside of the second limiting ring (32), and the other end of the second screw (42) is threadedly connected to a second nut (43), and the end surface of the second nut (43) is tightly arranged on the surface of the second limiting ring (32).

6. The transmission gear carrier for an engine transmission system according to claim 1, characterized in that: The front and back sides of the vertical plate (10) and the horizontal plate (11) are both provided with sealing plates (50), and the surface of the sealing plate (50) is fixedly assembled with the surface of the corresponding vertical plate (10) or horizontal plate (11) by means of screws.

7. The transmission gear carrier for an engine transmission system according to claim 6, characterized in that: A mounting frame (51) is provided on the outward side of the sealing plate (50), the number of the mounting frames (51) is two, and the mounting frames (51) are symmetrically distributed up and down along the surface of the sealing plate (50), and the surface of the mounting frame (51) is provided with a mounting hole (52) penetrating the inside thereof.

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