CN217603312U

CN217603312U - Precise connecting assembly for transmission gear box

Info

Publication number: CN217603312U
Application number: CN202221148301.5U
Authority: CN
Inventors: 吴辉炫
Original assignee: Haining Chaoyi Precision Hardware Co ltd
Current assignee: Haining Chaoyi Precision Hardware Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-18
Anticipated expiration: 2032-05-13

Abstract

The utility model provides a drive gear is accurate coupling assembling for box, including the gearbox body, the gear standing groove, high-speed pivot, high-speed gear, first gear shaft group, second gear shaft group, low-speed gear and low-speed pivot, wherein: the gear placing groove is formed in the gear box body, the high-speed rotating shaft and the high-speed gear are connected through bolts, and the high-speed rotating shaft and the high-speed gear are clamped in the gear placing groove; the first gear shaft group is clamped in the gear placing groove and meshed with the high-speed gear; the second gear shaft group is clamped in the gear placing groove and meshed with the first gear shaft group; the low-speed gear and the low-speed rotating shaft are clamped in the gear placing groove, and the low-speed gear is meshed with the second gear shaft group. The utility model discloses gearbox housing, high-speed gear, the setting of first gear group and second gear group, the speed reduction proportion of control gear box that can be accurate, the bulk strength is high, the gear shaft fracture can not appear.

Description

Precise connecting assembly for transmission gear box

Technical Field

The utility model belongs to the technical field of the transmission gear box, especially, relate to a transmission gear box is with accurate coupling assembling.

Background

The transmission gear box belongs to an important part in mechanical equipment and bears the power transmission of the mechanical equipment. In the prior art, a gear box is large in size due to a pump wheel and a turbine in a hydraulic transmission device, and the hydraulic transmission device has the defects of low transmission efficiency and poor reliability. In addition, two bearings are respectively arranged on two sides of a gear shaft of a common gear box, two ends of the gear shaft bear radial force and axial force simultaneously, the gear shaft bears bidirectional force, and the service life of the gear shaft is influenced after long-term use. For the transmission device of the hybrid locomotive, due to the structural limitation of the input end and the output end, the service life of a bearing cannot be prolonged by increasing the center distance, but the existing transmission gear box still has the problems that the speed reduction ratio of the gear box cannot be accurately controlled, the overall strength is low, and the gear shaft is easy to break.

Therefore, it is necessary to invent a precise connecting component for a transmission gearbox.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a precision connection assembly for transmission gear case to solve current transmission gear case and still having the speed reduction proportion that can not accurate control gear case, the bulk strength is low, appears the cracked problem of pinion easily. The utility model provides a drive gear is precision coupling assembling for box, includes the gearbox body, the gear standing groove, high-speed pivot, high-speed gear, first tooth axle group, second tooth axle group, low-speed gear and low-speed pivot, wherein: the gear placing groove is formed in the gear box body, the high-speed rotating shaft and the high-speed gear are connected through bolts, and the high-speed rotating shaft and the high-speed gear are clamped in the gear placing groove; the first gear shaft group is clamped in the gear placing groove and meshed with the high-speed gear; the second gear shaft group is clamped in the gear placing groove and meshed with the first gear shaft group; the low-speed gear and the low-speed rotating shaft are clamped in the gear placing groove, and the low-speed gear is meshed with the second gear shaft group.

The gear box body comprises a basic shell, a shaft body installation groove, a rolling support shaft and an oil injection port, wherein the shaft body installation groove is formed in the basic shell, and the rolling support shaft is embedded in the shaft body installation groove; the oil filling port is installed on the surface of the base shell through a bolt.

The high-speed gear comprises a supporting body, a mounting hole, a reinforcing rib and gear meshing teeth, the mounting hole is formed in the middle of the supporting body, and the reinforcing rib is embedded in the supporting body; the gear meshing teeth are welded on the outer side of the supporting body.

The gear box body is a steel metal gear box, the gear placing grooves in the gear box body divide the gear box body into a plurality of grooves, and the gear placing grooves in the gear box body are communicated with each other through a rolling support shaft and a shaft; the inside oiling mouth of gearbox housing adopts a copper metal check valve, is favorable to holding its inside gear and rotatory axis body, and can reduce the friction through the roll back shaft, prevents the waste of merit, prevents to appear because of the friction causes the noise, can pour into lubricating oil into to the inside of gearbox housing through the oiling mouth.

The high-speed gear is a metal gear made of carbon steel, two groups of annular reinforcing ribs made of titanium alloy are adopted as reinforcing ribs in the high-speed gear, and a circular hole with a strip-shaped mounting groove in the inner side is adopted as a mounting hole in the high-speed gear; high-speed gear is connected with the axle through the inside mounting groove of mounting hole, is favorable to forming the higher gear of cost utility model moderate strength, prevents to appear the gear fracture when the high-speed rotation of gear, prevents to lead to equipment to damage because of the gear fracture in the use.

The inside of first gear shaft group and second gear shaft group is including a pinion of gear wheel, and the gear wheel in first gear shaft group and the second gear shaft group is unanimous with high-speed gear completely, and the pinion in this first gear shaft group and the second gear shaft group is unanimous with low-speed gear completely, is favorable to forming two sets of speed reduction gear shafts that wait to compare, makes the accuracy that the proportion of slowing down can be more, control speed reduction proportion that can be more accurate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses gearbox casing's setting is favorable to holding its inside gear and rotatory axis body, and can reduce the friction through the roll back shaft, prevents the waste of merit, prevents to appear causing the noise because of the friction, can pour into lubricating oil into to gearbox casing's inside through the oiling mouth.

2. The utility model discloses the setting of high-speed gear is favorable to forming the higher gear of cost utility model, prevents that the gear fracture from appearing when the high-speed rotation of gear, prevents to lead to equipment to damage because of the gear fracture in the use.

3. The utility model discloses the setting of first gear group and second gear group is favorable to forming the speed reduction gear shaft of two sets of geometric proportions, makes the accuracy that the proportion can be more that slows down, control speed reduction proportion that can be more accurate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the gear box body of the present invention.

Fig. 3 is a schematic structural view of the high-speed gear of the present invention.

In the figure:

the gear box body 1, basic shell 11, axis body mounting groove 12, roll back shaft 13, oiling mouth 14, gear standing groove 2, high-speed pivot 3, high-speed gear 4, supporter 41, mounting hole 42, strengthening rib 43, gear interlock tooth 44, first gear shaft group 5, second gear shaft group 6, low-speed gear 7, low-speed pivot 8.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in figures 1 to 3.

The utility model provides a pair of accurate coupling assembling is used to transmission gear box, including gearbox casing 1, gear standing groove 2, high-speed pivot 3, high-speed gear 4, first gear shaft group 5, second gear shaft group 6, low-speed gear 7 and low-speed pivot 8, wherein: the gear placing groove 2 is formed in the gear box body 1, the high-speed rotating shaft 3 and the high-speed gear 4 are connected through bolts, and the high-speed rotating shaft 3 and the high-speed gear 4 are clamped in the gear placing groove 2; the first gear shaft group 5 is clamped in the gear placing groove 2 and is meshed with the high-speed gear 4; the second gear shaft group 6 is clamped in the gear placing groove 2 and is meshed with the first gear shaft group 5; the low-speed gear 7 and the low-speed rotating shaft 8 are engaged with each other in the gear housing groove 2, and the low-speed gear 7 is engaged with the second gear group 6.

The gear box body 1 comprises a basic shell 11, a shaft body installation groove 12, a rolling support shaft 13 and an oil injection port 14, wherein the shaft body installation groove 12 is formed in the basic shell 11, and the rolling support shaft 13 is embedded in the shaft body installation groove 12; the oil filler port 14 is mounted on the surface of the base casing 11 by bolts.

The high-speed gear 4 comprises a supporting body 41, a mounting hole 42, a reinforcing rib 43 and gear meshing teeth 44, wherein the mounting hole 42 is arranged in the middle of the supporting body 41, and the reinforcing rib 43 is embedded in the supporting body 41; the gear engagement teeth 44 are welded to the outside of the support body 41.

The utility model provides a precision connecting component for a transmission gear box, a gear box body 1 adopts a steel metal gear box, a gear placing groove 2 in the gear box body 1 divides the gear box body 1 into a plurality of grooves, and the gear placing grooves 2 in the gear box body 1 are communicated with each other through a rolling supporting shaft 13 and a shaft; the oil filling port 14 in the gear box body 1 is a copper metal one-way valve, so that a gear and a rotating shaft body in the gear box body 1 can be accommodated conveniently, friction can be reduced through the rolling support shaft 13, waste of work is prevented, noise caused by friction is prevented, and lubricating oil can be filled into the gear box body 1 through the oil filling port 14; the gear placing groove 2 is used for accommodating a gear and a shaft body; the high-speed rotating shaft 3 is used for forming a high-speed section of the utility model; the high-speed gear 4 adopts a carbon steel metal gear, the reinforcing ribs 43 in the high-speed gear 4 adopt two groups of annular reinforcing ribs made of titanium alloy, and the mounting hole 42 in the high-speed gear 4 adopts a round hole with a long strip-shaped mounting groove on the inner side; the high-speed gear 4 is connected with the shaft through the mounting groove in the mounting hole 42, which is beneficial to forming a gear with higher strength in the utility model, preventing the gear from being broken when the gear rotates at high speed, and preventing the equipment from being damaged due to the broken gear in the use process; the first gear shaft group 5 and the second gear shaft group 6 are internally provided with a large gear and a small gear, the large gears in the first gear shaft group 5 and the second gear shaft group 6 are completely consistent with the high-speed gear 4, and the small gears in the first gear shaft group 5 and the second gear shaft group 6 are completely consistent with the low-speed gear 7, so that two groups of equal-ratio speed reduction gear shafts are formed, the speed reduction ratio can be more accurate, and the speed reduction ratio can be more accurately controlled; the low-speed pivot 8 is used for forming the utility model discloses a low-speed section.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a precision connection subassembly for transmission gear box which characterized in that: including gear box body (1), gear standing groove (2), high-speed pivot (3), high-speed gear (4), first gear shaft group (5), second gear shaft group (6), low-speed gear (7) and low-speed pivot (8), wherein: the gear placing groove (2) is formed in the gear box body (1), the high-speed rotating shaft (3) and the high-speed gear (4) are connected through bolts, and the high-speed rotating shaft (3) and the high-speed gear (4) are clamped in the gear placing groove (2); the first gear shaft group (5) is clamped in the gear placing groove (2) and is meshed with the high-speed gear (4); the second gear shaft group (6) is clamped in the gear placing groove (2) and is meshed with the first gear shaft group (5); the low-speed gear (7) and the low-speed rotating shaft (8) are clamped in the gear placing groove (2), and the low-speed gear (7) is meshed with the second gear shaft group (6).

2. A precision connection assembly for a drive gearbox according to claim 1, wherein: the gearbox casing (1) comprises a basic shell (11), a shaft body installation groove (12), a rolling support shaft (13) and an oil filling opening (14), wherein the shaft body installation groove (12) is formed in the basic shell (11), and the rolling support shaft (13) is embedded in the shaft body installation groove (12); the oil filling port (14) is installed on the surface of the basic shell (11) through a bolt.

3. A precision connection assembly for a drive gearbox according to claim 1, wherein: the high-speed gear (4) comprises a supporting body (41), a mounting hole (42), a reinforcing rib (43) and gear meshing teeth (44), the mounting hole (42) is formed in the middle of the supporting body (41), and the reinforcing rib (43) is embedded in the supporting body (41); the gear meshing teeth (44) are welded on the outer side of the supporting body (41).

4. A precision connection assembly for a drive gearbox according to claim 1, wherein: the gear box body (1) is a steel metal gear box, the gear box body (1) is divided into a plurality of grooves by the gear placing grooves (2) in the gear box body (1), and the gear placing grooves (2) in the gear box body (1) are communicated with each other through a rolling supporting shaft (13); an oil filling port (14) in the gear box body (1) is a copper metal one-way valve.

5. A precision connection assembly for a drive gearbox according to claim 1, wherein: the high-speed gear (4) is a metal gear made of carbon steel, two groups of annular reinforcing ribs made of titanium alloy are adopted as reinforcing ribs (43) in the high-speed gear (4), and a round hole with a long strip-shaped mounting groove on the inner side is adopted as a mounting hole (42) in the high-speed gear (4); the high-speed gear (4) is connected with the shaft through a mounting groove in the mounting hole (42).

6. A precision connection assembly for a drive gearbox according to claim 1, wherein: the inside of the first gear shaft group (5) and the second gear shaft group (6) comprises a big gear and a small gear, the big gears in the first gear shaft group (5) and the second gear shaft group (6) are completely consistent with the high-speed gear (4), and the small gears in the first gear shaft group (5) and the second gear shaft group (6) are completely consistent with the low-speed gear (7).