CN115929884A

CN115929884A - Automobile speed reducer

Info

Publication number: CN115929884A
Application number: CN202211670108.2A
Authority: CN
Inventors: 张琛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-07

Abstract

The invention relates to the technical field of speed reducers, in particular to an automobile speed reducer, which aims at overcoming the defects that the torque bearing range of the conventional speed reducer is small, the bearing capacity of gear transmission is influenced due to poor shafting rigidity, the load carrying capacity, the dynamic property and the economic index of an automobile are difficult to improve, and the service life of the speed reducer is shortened due to the fact that lubricating oil cannot be continuously conveyed to a shaft body and a gear, and the load carrying capacity, the dynamic property and the economic property of the automobile are difficult to improve.

Description

Automobile speed reducer

Technical Field

The invention relates to the technical field of speed reducers, in particular to an automobile speed reducer.

Background

The speed reducer is an independent closed transmission device between a prime motor and a working machine, and can be used for reducing the rotating speed and increasing the torque to meet the requirements of various working machines. The gear reducer has high transmission efficiency and reliability, long service life and convenient maintenance, thereby having wide application range.

However, the torque bearing range of the conventional speed reducer is small, and the bearing capacity of gear transmission is influenced due to poor shafting rigidity, so that the load capacity, the dynamic property and the economic index of an automobile are difficult to improve, and lubricating oil cannot be continuously conveyed to the shaft body and the gear, so that the service life of the speed reducer is shortened.

Disclosure of Invention

The invention aims to solve the defects that the bearing capacity of gear transmission is influenced by a small torque bearing range and poor shafting rigidity in the prior art, so that the load capacity, the dynamic property and the economic index of an automobile are difficult to improve, and lubricating oil cannot be continuously conveyed to a shaft body and a gear, so that the service life of a speed reducer is shortened.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an automobile speed reducer, includes the case base, case base bottom fixed mounting has the foot stool, and the cooperation has the case lid on the case base, open at the case lid top has perspective handhole door, and fixes mounting has the breather on the perspective handhole door, case lid top fixed mounting has hoisting rings, the case base passes through bolt fixed connection with the case lid, and the front end that case base and case lid contact department is equipped with the main drive subassembly, the side that case base and case lid contact department are equipped with first from drive assembly and second from drive assembly, and the fixed cover is equipped with same bevel gear drive assembly on main drive assembly and the first from drive assembly, first fixed cover is equipped with same gear drive assembly from drive assembly and second from drive assembly, case base one side fixed mounting has lubricating-oil tank mechanism, and fixed mounting has spraying mechanism on the lubricating-oil tank mechanism, first fixed cover is equipped with sprocket drive mechanism from drive assembly, and sprocket chain drive mechanism goes up fixed connection has reciprocating mechanism, reciprocating mechanism cooperatees with lubricating-oil tank mechanism, fixed mounting has first strengthening rib on the case lid, fixed mounting has the second strengthening rib.

Preferably, the main transmission assembly comprises a first bearing cover arranged at the front end of the contact position of the box base and the box cover, and a driving bearing is arranged in the first bearing cover.

Preferably, the first driven transmission assembly comprises a second bearing cover arranged at the side end of the contact position of the box base and the box cover, and a middle bearing is arranged in the second bearing cover.

Preferably, the second driven transmission assembly comprises a third bearing cover arranged at the side end of the contact position of the box base and the box cover, and a half bearing is arranged in the third bearing cover.

Preferably, the bevel gear transmission assembly comprises a driving bevel gear fixedly sleeved on the driving bearing, the driving bevel gear is engaged with a driven bevel gear, and the driven bevel gear is fixedly sleeved on the intermediate bearing.

Preferably, the gear transmission assembly comprises a driving gear fixedly sleeved on the intermediate bearing, the driving gear is meshed with a driven gear, and the driven gear is fixedly sleeved on the half bearing.

Preferably, lubricating-oil tank mechanism includes the lubricating-oil tank of fixed mounting in case seat one side, and has seted up the oil delivery port on the lubricating-oil tank, fixed mounting has defeated oil pipe on the lubricating-oil tank, and fixed mounting has the check valve on defeated oil pipe, fixedly connected with oil bin on the defeated oil pipe.

Preferably, the spraying mechanism comprises an oil outlet pipe fixedly installed on the oil bin, and a spray head is fixedly installed on the oil outlet pipe.

Preferably, the chain wheel and chain transmission mechanism comprises a first chain wheel fixedly sleeved on the intermediate bearing, the first chain wheel is connected with a chain in a transmission manner, and the first chain wheel is connected with a second chain wheel through a chain in a transmission manner.

Preferably, the reciprocating mechanism comprises a rotating shaft fixedly connected to the second chain wheel, the rotating shaft is rotatably installed in the box base, a turntable is fixedly sleeved on the rotating shaft, a fixed column is fixedly connected to the turntable, a reciprocating rod is rotatably installed on the fixed column, a sliding block is rotatably connected to the reciprocating rod, and the sliding block is slidably installed in the oil bin.

The automobile speed reducer has the beneficial effects that:

due to the fact that the main transmission assembly, the first slave transmission assembly, the second slave transmission assembly, the bevel gear transmission assembly and the gear transmission assembly are arranged, the speed reducer is compact in internal structure, small in size, light in weight and high in reliability, the requirement for large torque can be met, and the bearing capacity, the dynamic performance and the economical efficiency of the matched whole vehicle are greatly improved.

Owing to set up lubricating-oil tank mechanism, spraying mechanism, sprocket chain drive mechanism and reciprocating mechanism, can constantly carry lubricating oil to axis body and gear, can effectual increase main reducer's life.

The invention has compact structure, small volume, light weight and higher reliability, can meet the requirement of large torque, greatly improves the bearing capacity, dynamic property and economy of the matched whole vehicle, can continuously convey lubricating oil to the shaft body and the gear, and can effectively prolong the service life of the main speed reducer.

Drawings

FIG. 1 is a schematic front sectional view of an automobile speed reducer according to the present invention;

FIG. 2 is a schematic side view of an installation structure of a retarder for a vehicle according to the present invention;

FIG. 3 is an enlarged schematic view of a portion A of the automobile speed reducer of FIG. 1 according to the present invention;

fig. 4 is a schematic perspective view of a lubricating oil tank of an automobile speed reducer according to the present invention;

in the figure: 1. a box base; 2. a foot seat; 3. a box cover; 4. a see-through hole cover; 5. a breather; 6. hoisting a lifting ring; 7. a second reinforcing rib; 8. a first reinforcing rib; 9. a bolt; 10. a first bearing cover; 11. a drive bearing; 12. a second bearing cover; 13. a middle bearing; 14. a third bearing cover; 15. a half bearing; 16. a drive bevel gear; 17. a driven bevel gear; 18. a driving gear; 19. a driven gear; 20. a lubricating oil tank; 21. an oil delivery port; 22. an oil delivery pipe; 23. a one-way valve; 24. an oil bin; 25. an oil outlet pipe; 26. a spray head; 27. a first sprocket; 28. a chain; 29. a second sprocket; 30. a rotating shaft; 31. a turntable; 32. fixing a column; 33. a reciprocating lever; 34. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, an automobile speed reducer comprises a box base 1, a foot base 2 is fixedly installed at the bottom of the box base 1, a box cover 3 is matched on the box base 1, a see-through hole cover 4 is formed in the top of the box cover 3, an air breather 5 is fixedly installed on the see-through hole cover 4, a lifting hanging ring 6 is fixedly installed at the top of the box cover 3, the box base 1 is fixedly connected with the box cover 3 through a bolt 9, a main transmission assembly is arranged at the front end of a contact position of the box base 1 and the box cover 3, a first driven transmission assembly and a second driven transmission assembly are arranged at the side end of the contact position of the box base 1 and the box cover 3, the same bevel gear transmission assembly is fixedly installed on the main transmission assembly and the first driven transmission assembly, the same gear transmission assembly is fixedly installed on the first driven transmission assembly and the second driven transmission assembly, a lubricating oil tank mechanism is fixedly installed on one side of the box base 1, a spraying mechanism is fixedly installed on the lubricating oil tank mechanism, a chain wheel chain transmission mechanism is fixedly installed on the first driven transmission assembly, a reciprocating mechanism is fixedly connected with a reciprocating mechanism, a lubricating oil tank is matched with a lubricating oil tank, a reinforcing rib 7 is fixedly installed on the reinforcing rib 3.

In the invention, the main transmission component comprises a first bearing cover 10 arranged at the front end of the contact part of the box base 1 and the box cover 3, and a driving bearing 11 is arranged in the first bearing cover 10.

In the invention, a second bearing cover 12 is arranged at the side end of the contact part of the first driven transmission assembly and the box base 1 and the box cover 3, and an intermediate bearing 13 is arranged in the second bearing cover 12.

In the invention, the second driven transmission assembly comprises a third bearing cover 14 arranged at the side end of the contact part of the box base 1 and the box cover 3, and a half bearing 15 is arranged in the third bearing cover 14.

In the invention, the bevel gear transmission component comprises a driving bevel gear 16 fixedly sleeved on the driving bearing 11, the driving bevel gear 16 is meshed with a driven bevel gear 17, and the driven bevel gear 17 is fixedly sleeved on the intermediate bearing 13.

In the present invention, the gear transmission assembly includes a driving gear 18 fixedly sleeved on the intermediate bearing 13, and the driving gear 18 is engaged with a driven gear 19, and the driven gear 19 is fixedly sleeved on the half bearing 15.

In the invention, the lubricating oil tank mechanism comprises a lubricating oil tank 20 fixedly arranged on one side of a tank seat 1, an oil delivery port 21 is formed in the lubricating oil tank 20, an oil delivery pipe 22 is fixedly arranged on the lubricating oil tank 20, a check valve 23 is fixedly arranged on the oil delivery pipe 22, and an oil bin 24 is fixedly connected to the oil delivery pipe 22.

In the present invention, the spraying mechanism includes an oil outlet pipe 25 fixedly installed on the oil bin 24, and a spray head 26 is fixedly installed on the oil outlet pipe 25.

In the invention, the chain wheel and chain transmission mechanism comprises a first chain wheel 27 fixedly sleeved on the intermediate bearing 13, the first chain wheel 27 is in transmission connection with a chain 28, and the first chain wheel 27 is in transmission connection with a second chain wheel 29 through the chain 28.

In the invention, the reciprocating mechanism comprises a rotating shaft 30 fixedly connected to the second chain wheel 29, the rotating shaft 30 is rotatably installed in the box base 1, a rotating disc 31 is fixedly sleeved on the rotating shaft 30, a fixed column 32 is fixedly connected to the rotating disc 31, a reciprocating rod 33 is rotatably installed on the fixed column 32, a sliding block 34 is rotatably connected to the reciprocating rod 33, and the sliding block 34 is slidably installed in the oil bin 24.

In the invention, the working principle of the invention is that when the driving motor rotates and drives the driving bearing 11 to rotate through the spline, the driving bearing 11 drives the driving bevel gear 16 to rotate, the driving bevel gear 16 is meshed with the driven bevel gear 17 to rotate, the driven bevel gear 17 drives the intermediate bearing 13 to rotate, the intermediate bearing 13 drives the driving gear 18 to rotate, the driving gear 18 is meshed with the driven gear 19 to rotate, the driven gear 19 drives the half bearing 15 to rotate, so that power is transmitted to the rear axle, and then the wheels are driven to rotate, when the speed reducer operates, lubricating oil can be filled into the lubricating oil tank 20, the intermediate bearing 13 drives the first chain wheel 27 to rotate when the speed reducer operates, the first chain wheel 27 drives the second chain wheel 29 to rotate through the chain 28, the second chain wheel 29 drives the rotating shaft 30 to rotate, the rotating disc 31 drives the fixed column 32 to drive the reciprocating rod 33 to move, the reciprocating rod 33 drives the sliding block 34 to move up and down in the oil tank 24, when the sliding block 34 moves to the top of the oil tank 24, the oil tank 24 is filled with the lubricating oil, and the lubricating oil in the oil tank 24 is led into the oil tank 24, and only flows into the oil outlet 24 and is sprayed into the oil tank 24, and only flows to the oil spray head 24, and only flows into the oil tank 24, and the lubricating oil spray head 23.

Example two

The difference between this embodiment and the first embodiment is: the protective sheath of making an uproar falls in all installing the outside of base case 1 and case lid 3, and fall and be provided with the cotton piece of making an uproar that falls in the protective sheath of making an uproar, can effectively reduce the noise of the inside production of reduction gear.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an automobile speed reducer, includes case base (1), its characterized in that, case base (1) bottom fixed mounting has foot stool (2), and the cooperation has case lid (3) on case base (1), open at case lid (3) top has perspective handhole door (4), and fixed mounting has breather (5) on perspective handhole door (4), case lid (3) top fixed mounting has jack-up rings (6), case base (1) and case lid (3) are through bolt (9) fixed connection, and the front end of case base (1) and case lid (3) contact department is equipped with main drive assembly, the side of case base (1) and case lid (3) contact department is equipped with first from drive assembly and second from drive assembly, and main drive assembly and first from fixed cover of drive assembly be equipped with same bevel gear drive assembly, first from fixed cover of drive assembly and second from the drive assembly be equipped with same gear drive assembly, case base (1) one side fixed mounting has lubricating-oil tank mechanism, and lubricating oil tank mechanism go up fixed mounting has spraying mechanism, first from the drive assembly be equipped with same gear drive assembly and chain wheel mechanism on the fixed chain wheel mechanism (7), the chain wheel mechanism is connected with reciprocating sprocket mechanism (7), reciprocating sprocket mechanism (3) is connected with on the fixed chain.

2. The automobile speed reducer according to claim 1, wherein the main transmission assembly comprises a first bearing cover (10) arranged at the front end of the contact part of the box base (1) and the box cover (3), and a driving bearing (11) is arranged in the first bearing cover (10).

3. The vehicle retarder according to claim 1, characterised in that the first secondary transmission assembly comprises a second bearing cover (12) at the side end where the box base (1) contacts the box cover (3), and an intermediate bearing (13) is arranged in the second bearing cover (12).

4. A decelerator of an automobile according to claim 1, wherein the second driven assembly includes a third bearing cover (14) at the side end where the box base (1) contacts the box cover (3), and the third bearing cover (14) is provided with a half bearing (15).

5. A reducer for motor vehicles according to claim 2, wherein the bevel gear assembly comprises a drive bevel gear (16) fixed to the drive bearing (11), and the drive bevel gear (16) is engaged with a driven bevel gear (17), and the driven bevel gear (17) is fixed to the intermediate bearing (13).

6. A reducer according to claim 3, in which the gear assembly comprises a driving gear (18) fixed to the intermediate bearing (13), and the driving gear (18) is engaged with a driven gear (19), the driven gear (19) being fixed to the half bearing (15).

7. The automobile speed reducer according to claim 1, wherein the lubricating oil tank mechanism comprises a lubricating oil tank (20) fixedly mounted on one side of the tank base (1), an oil delivery port (21) is formed in the lubricating oil tank (20), an oil delivery pipe (22) is fixedly mounted on the lubricating oil tank (20), a check valve (23) is fixedly mounted on the oil delivery pipe (22), and an oil bin (24) is fixedly connected to the oil delivery pipe (22).

8. The automotive retarder of claim 7, characterized in that the spraying means comprises an oil outlet pipe (25) fixedly mounted on the oil sump (24), and a spray head (26) is fixedly mounted on the oil outlet pipe (25).

9. A reducer for motor vehicles according to claim 3, wherein the chain wheel and chain transmission mechanism comprises a first chain wheel (27) fixed to the intermediate bearing (13), and a chain (28) is connected to the first chain wheel (27), and a second chain wheel (29) is connected to the first chain wheel (27) through the chain (28).

10. The automobile speed reducer according to claim 9, wherein the reciprocating mechanism comprises a rotating shaft (30) fixedly connected to the second chain wheel (29), the rotating shaft (30) is rotatably installed in the box base (1), a rotating disc (31) is fixedly sleeved on the rotating shaft (30), a fixed column (32) is fixedly connected to the rotating disc (31), a reciprocating rod (33) is rotatably installed on the fixed column (32), a sliding block (34) is rotatably connected to the reciprocating rod (33), and the sliding block (34) is slidably installed in the oil bin (24).