CN220668303U - Bevel gear structure of main speed reducer - Google Patents
Bevel gear structure of main speed reducer Download PDFInfo
- Publication number
- CN220668303U CN220668303U CN202322424401.7U CN202322424401U CN220668303U CN 220668303 U CN220668303 U CN 220668303U CN 202322424401 U CN202322424401 U CN 202322424401U CN 220668303 U CN220668303 U CN 220668303U
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- bevel gear
- supporting tube
- fixedly connected
- transmission
- bearing frame
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a bevel gear structure of a main speed reducer, and relates to the technical field of bevel gear structures. The utility model includes a housing, further comprising: the bearing frame is fixedly connected to the shell, and a supporting tube is detachably connected in the bearing frame through a connecting bolt; the main shaft ring is fixedly connected to one end of the bearing frame and is coaxially arranged with the supporting tube, and a driving shaft connected in the supporting tube is rotatably and penetratingly arranged in the main shaft ring; the auxiliary shaft collar is fixedly connected to the other end of the bearing frame and is coaxially arranged with the supporting tube. According to the utility model, the supporting tube connected with the transmission bevel gear is arranged in the bearing frame, and the small bevel gear and the large bevel gear are connected through the two ends of the bearing frame, so that the transmission bevel gear and the small bevel gear are meshed with the large bevel gear, the structure is more compact as much as possible, the space occupied by the device is reduced, the connection stability between the transmission bevel gear and the large bevel gear is improved, and the stability of the device in operation is improved.
Description
Technical Field
The utility model relates to the technical field of bevel gear structures, in particular to a bevel gear structure of a main speed reducer.
Background
A final drive is a mechanism capable of varying torque and rotational speed within a drive axle. The basic function is to increase torque from the transmission or universal drive while reducing rotational speed and changing the direction of torque transfer. The main speed reducer consists of one or more pairs of speed reducing gear pairs. The power is input by the driving gear and output by the driven gear.
On a drive axle of an automobile with a transversely arranged engine, a main speed reducer often adopts a simple helical gear which plays a normal main speed reducer function, and on the drive axle of the automobile with the longitudinally arranged engine, the speed reducer does not need to play a role of changing a torque transmission direction, but the speed reducer adopting the transmission of the helical gear occupies a larger space, so that the speed reducer still adopts a bevel gear for speed reduction transmission, and a two-stage speed reducer is generally adopted, but the occupied volume of the two-stage speed reducer is still larger, the weight is heavier, the overall running performance of the automobile can be influenced compared with the single-stage transmission, the connecting structure among a plurality of transmission parts is more dispersed, the stability is poor, and the service life is shorter.
Disclosure of Invention
The utility model aims at: in order to solve the problems that the volume and weight are large and the structure is unstable when a longitudinally arranged generator is driven by a double-stage speed reducer used in the existing main speed reducer, the utility model provides a bevel gear structure of the main speed reducer.
The utility model adopts the following technical scheme for realizing the purposes:
bevel gear structure of main reducer, including the casing, still include:
the bearing frame is fixedly connected to the shell, and a supporting tube is detachably connected in the bearing frame through a connecting bolt;
the main shaft ring is fixedly connected to one end of the bearing frame and is coaxially arranged with the supporting tube, and a driving shaft connected in the supporting tube is rotatably and penetratingly arranged in the main shaft ring;
the auxiliary shaft collar is fixedly connected to the other end of the bearing frame and is coaxially arranged with the supporting tube, and a driven shaft connected to the other end in the supporting tube is rotatably and penetratingly arranged in the auxiliary shaft collar;
the small conical gear is fixedly connected to the end part of the driving shaft;
the large conical gear is fixedly connected to the end part of the driven shaft and is arranged opposite to the small conical gear;
and the transmission bevel gears are rotatably arranged on two sides of the supporting tube and are meshed with the small bevel gear and the large bevel gear.
Further, the bearing frame comprises two U-shaped frames which are oppositely arranged, the main shaft ring and the auxiliary shaft ring are respectively and fixedly connected between opposite ends of the two U-shaped frames, mounting holes are formed in opposite sides of the two U-shaped frames, and the connecting bolts penetrate through the mounting holes in a rotating mode and are connected to the supporting tubes in a threaded mode.
Further, the connecting bolt adopts an inner hexagon bolt.
Further, the small conical gear, the large conical gear and the transmission bevel gear are all spiral bevel gears.
Further, two connecting grooves which are arranged in opposite directions are formed in the supporting tube, transmission shafts which are obliquely arranged towards the small conical gears are respectively arranged in the two connecting grooves in a rotating mode through bearings, limiting blocks are formed at the other ends of the transmission shafts, and the transmission bevel gears are sleeved on the transmission shafts and are connected with the limiting blocks in an inserting mode.
Further, two connecting plates are connected to the U-shaped frames, the two connecting plates are arranged in a vertically staggered mode, the end portions of the connecting plates are fixedly connected with supporting rings which are inserted into the two connecting grooves respectively, and the transmission shaft is installed in the supporting rings in a penetrating mode.
Further, a plug-in groove communicated with the mounting hole is formed in the U-shaped frame, one end of the connecting plate is inserted into the plug-in groove, and a through hole for the connecting bolt to penetrate is formed in the connecting plate.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the supporting tube is arranged in the bearing frame, the small conical gear and the large conical gear are connected through the main shaft rings and the auxiliary shaft rings at the two ends of the bearing frame, and the transmission gear meshed with the conical gear and the large conical gear is connected to the supporting tube, so that the structure is more compact as much as possible, the occupied space of the device is reduced, the connection stability between the supporting tube and the large conical gear is improved, and the running stability of the device is improved.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is an exploded view of a three-dimensional structure of the present utility model;
FIG. 3 is a perspective view in half section of the present utility model;
reference numerals: 1. a carrying frame; 101. a U-shaped frame; 1011. a connecting plate; 1012. a support ring; 1013. a plug-in groove; 1014. a through hole; 102. a mounting hole; 2. a connecting bolt; 3. a support tube; 301. a connecting groove; 302. a transmission shaft; 303. a limiting block; 4. a spindle ring; 5. a driving shaft; 6. a secondary collar; 7. a driven shaft; 8. a small conical gear; 9. a large conical gear; 10. and a transmission bevel gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-2, a bevel gear structure of a final drive according to an embodiment of the present utility model includes: the casing is installed inside the vehicle for bear whole main reducer, still include: the bearing frame 1 is fixedly connected to the shell, a supporting tube 3 is detachably connected in the bearing frame 1 through a connecting bolt 2, and the supporting tube 3 is connected in the bearing frame 1 and is suspended at the middle part of the bearing frame (1) through the connecting bolt 2; the main shaft ring 4 is fixedly connected to one end of the bearing frame 1 and is coaxially arranged with the support tube 3, and a driving shaft 5 connected in the support tube 3 is rotatably and penetratingly arranged in the main shaft ring 4; the auxiliary shaft collar 6 is fixedly connected to the other end of the bearing frame 1 and is coaxially arranged with the supporting tube 3, the auxiliary shaft collar 6 is rotatably and penetratingly provided with a driven shaft 7 connected to the other end in the supporting tube 3, so that the coaxial arrangement of the driving shaft 5 and the driven shaft 7 can be realized, and the connection and transmission of a longitudinal engine can be conveniently adapted; a small bevel gear 8 fixedly connected to an end of the driving shaft 5 as an input portion of power; a large conical gear 9 fixedly connected to the end of the driven shaft 7 and disposed opposite to the small conical gear 8 as an output portion of power; the transmission bevel gears 10 are rotatably arranged on two sides of the supporting tube 3 and are meshed with the small bevel gears 8 and the large bevel gears 9, kinetic energy is input through the driving shaft 5 and drives the small bevel gears 8 to rotate when the device works, the large bevel gears 9 can be driven to rotate through meshed transmission of the two transmission bevel gears 10, meanwhile, the driven shaft 7 is driven to output power, the transmission ratio between the small bevel gears 8 and the large bevel gears 9 is changed through the change of the relative size proportion of the small bevel gears 8 and the large bevel gears 9, the small bevel gears 8 and the large bevel gears 9 with different sizes can be replaced according to the requirement, the supporting tube 3 is arranged inside the bearing frame 1, the occupied space of the transmission bevel gears 10 can be effectively reduced, the gap between the inner wall of the supporting tube and the transmission bevel gears 10 is required to be reduced as much as possible when the bearing frame 1 is manufactured, the volume of the whole device is reduced, the whole weight of the device is reduced, the whole running performance of the vehicle is improved, the small bevel gears 8 and the large bevel gears 9 are connected in a transmission mode through the transmission bevel gears 10, the connection stability between the small bevel gears 8 and the large bevel gears 9 is effectively increased, the stability in the transmission is improved, the noise is effectively reduced, the service life is prolonged, and the service life is prolonged.
As shown in fig. 3, in some embodiments, the carrying frame 1 includes two oppositely disposed U-shaped frames 101, the main shaft ring 4 and the auxiliary shaft ring 6 are respectively and fixedly connected between opposite ends of the two U-shaped frames 101, the two U-shaped frames 101 are used for wrapping two sides of the two transmission bevel gears 10, and can adopt an inclined trapezoid shape to fit the shape of the transmission bevel gears 10, so that occupied space is reduced, weight is reduced, mounting holes 102 are formed in opposite back sides of the two U-shaped frames 101, the connecting bolts 2 rotate to penetrate through the mounting holes 102 and are in threaded connection with the support tube 3, detachable connection between the U-shaped frames 101 and the support tube 3 can be realized through the connecting bolts 2, replacement and maintenance of the support tube 3 are facilitated, and practicability and convenience are improved.
As shown in fig. 3, in some embodiments, the connecting bolt 2 is an inner hexagon bolt, a groove for wrapping the head of the inner hexagon bolt is arranged on the outer side of the U-shaped frame 101, when the supporting tube 3 needs to be detached, the connecting bolt 2 needs to be detached firstly, and the inner hexagon bolt is arranged, so that the protruding volume of the connecting bolt can be reduced during installation, and the connecting bolt is more convenient and the convenience is improved during detachment.
As shown in fig. 2, in some embodiments, the small conical gear 8, the large conical gear 9 and the transmission bevel gear 10 are spiral bevel gears, and the spiral bevel gears can effectively improve the number of teeth meshed with each other, so that the stability and the bearing capacity of transmission are improved.
As shown in fig. 2, in some embodiments, two connecting grooves 301 are configured on the supporting tube 3, and a transmission shaft 302 which is inclined towards the small bevel gear 8 is rotatably installed in the two connecting grooves 301 through bearings, and because the diameters of the small bevel gear 8 and the large bevel gear 9 are different, the transmission bevel gear 10 needs to be inclined towards tooth parts of the small bevel gear 8 and the large bevel gear 9 in transmission so as to facilitate meshing transmission, a limiting block 303 is configured at the other end of the transmission shaft 302, the transmission bevel gear 10 is sleeved on the transmission shaft 302 and is connected with the limiting block 303 in an inserting manner, and the limiting block 303 is used for fixing the transmission bevel gear 10 in an inserting manner, so that the transmission bevel gear 10 can rotate along with the rotation of the transmission shaft 302, and can be limited to prevent falling, and the stability of the structure is improved.
As shown in fig. 2-3, in some embodiments, two U-shaped frames 101 are connected with connecting plates 1011, the two connecting plates 1011 are arranged up and down in a staggered manner, and the end parts of the two connecting plates 1011 are fixedly connected with supporting rings 1012 inserted into the two connecting grooves 301 respectively, the transmission shaft 302 is rotatably installed in the supporting rings 1012 in a penetrating manner, the connecting plates 1011 are arranged, and the connecting structure between the U-shaped frames 101 and the supporting tube 3 can be increased through the supporting rings 1012 on the connecting plates, so that the structural stability of the supporting tube 3 is further increased, the deviation or inclination of the supporting tube 3 is prevented, and the stable operation in gear transmission is ensured.
As shown in fig. 2-3, in some embodiments, a plugging slot 1013 communicating with the mounting hole 102 is formed on the U-shaped frame 101, one end of the connecting plate 1011 is plugged into the plugging slot 1013 and a through hole 1014 for the connecting bolt 2 to penetrate is formed on the plugging slot, the connecting plate 1011 and the plugging slot 1013 are arranged, so that the detachable connection of the connecting plate 1011 can be facilitated, the convenience is improved when the maintenance device needs to be detached, and the connecting plate 1011 can be synchronously fixed by the connecting bolt 2 through the through hole 1014, so that the cost is saved, and the connection stability between the connecting plate and the through hole 1014 is increased.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. Bevel gear structure of main reducer, including the casing, its characterized in that still includes:
the bearing frame (1) is fixedly connected to the shell, and a supporting tube (3) is detachably connected in the bearing frame (1) through a connecting bolt (2);
the main shaft ring (4) is fixedly connected to one end of the bearing frame (1) and is coaxially arranged with the supporting tube (3), and a driving shaft (5) connected in the supporting tube (3) is rotatably and penetratingly arranged in the main shaft ring (4);
the auxiliary shaft collar (6) is fixedly connected to the other end of the bearing frame (1) and is coaxially arranged with the supporting tube (3), and a driven shaft (7) connected to the other end in the supporting tube (3) is rotatably and penetratingly arranged in the auxiliary shaft collar (6);
a small conical gear (8) fixedly connected to the end part of the driving shaft (5);
a large conical gear (9) fixedly connected to the end part of the driven shaft (7) and arranged opposite to the small conical gear (8);
and the transmission bevel gears (10) are rotatably arranged on two sides of the supporting tube (3) and are meshed with the small bevel gear (8) and the large bevel gear (9) mutually.
2. Bevel gear structure of a final drive according to claim 1, characterized in that the carrying frame (1) comprises two oppositely arranged U-shaped frames (101), the main shaft ring (4) and the auxiliary shaft ring (6) are fixedly connected between the opposite ends of the two U-shaped frames (101), the opposite sides of the two U-shaped frames (101) are respectively provided with a mounting hole (102), and the connecting bolts (2) rotate through the mounting holes (102) and are connected to the support tube (3) in a threaded manner.
3. Bevel gear arrangement of a final drive according to claim 1, wherein the connecting bolts (2) are socket head cap bolts.
4. The bevel gear arrangement of a final drive according to claim 1, wherein the small bevel gear (8), the large bevel gear (9) and the drive bevel gear (10) are each spiral bevel gears.
5. The bevel gear structure of a final drive according to claim 2, wherein two connecting grooves (301) are formed in the supporting tube (3) in a back-to-back manner, a transmission shaft (302) which is obliquely arranged towards the small bevel gear (8) is rotatably mounted in each connecting groove (301) through a bearing, a limiting block (303) is formed at the other end of the transmission shaft (302), and the transmission bevel gear (10) is sleeved on the transmission shaft (302) and is inserted and connected with the limiting block (303).
6. The bevel gear structure of a final drive according to claim 5, wherein two U-shaped frames (101) are connected with connecting plates (1011), the two connecting plates (1011) are arranged in a vertically staggered manner, and the ends of the connecting plates are fixedly connected with supporting rings (1012) respectively inserted into the two connecting grooves (301), and the transmission shaft (302) is rotatably and penetratingly installed in the supporting rings (1012).
7. The bevel gear structure of a final drive according to claim 6, wherein the U-shaped frame (101) is configured with a socket groove (1013) communicating with the mounting hole (102), and one end of the connection plate (1011) is inserted into the socket groove (1013) and is configured with a through hole (1014) for the connection bolt (2) to penetrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424401.7U CN220668303U (en) | 2023-09-06 | 2023-09-06 | Bevel gear structure of main speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424401.7U CN220668303U (en) | 2023-09-06 | 2023-09-06 | Bevel gear structure of main speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668303U true CN220668303U (en) | 2024-03-26 |
Family
ID=90332190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322424401.7U Active CN220668303U (en) | 2023-09-06 | 2023-09-06 | Bevel gear structure of main speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668303U (en) |
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2023
- 2023-09-06 CN CN202322424401.7U patent/CN220668303U/en active Active
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