Low-abrasion gear reducer with protected output shaft
By introducing anti-friction bearings and gear lubrication components into the gear reducer, the gear wear problem is solved and the service life of the gear reducer is extended.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-03-20
AI Technical Summary
Existing gear reducers suffer from gear wear due to lack of timely lubrication during long-term operation, which affects their service life.
A low-wear gear reducer including anti-friction bearings and gear lubrication components was designed. The lubrication components continuously spray lubricating oil during the operation of the gear reducer to ensure lubrication between the gears.
The friction of the input shaft is reduced by the anti-friction bearing, and the gear lubrication assembly continuously lubricates the gears, preventing wear and extending the service life of the gear reducer.
Smart Images

Figure CN224017692U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of speed reducer, specifically, relate to a low abrasion gear speed reducer of output shaft protection. BACKGROUND
[0002] At present, the speed reducer is the speed change device widely used in mechanical transmission, generally used in low speed big torque transmission equipment, the motor or other high speed operation power through the input shaft on the gear of fewer teeth of the speed reducer engages the big gear on the output shaft to reach the purpose of speed reduction, and is widely used in modern machinery. The existing gear speed reducer is generally used for low speed big torque transmission equipment, and the ordinary speed reducer of the motor also has several pairs of same principle gears to achieve ideal speed reduction effect, and the gear ratio of the gear is the transmission ratio. With the continuous development of the speed reducer industry, more and more enterprises use the speed reducer, which can reduce the speed of the motor and meet the actual speed demand.
[0003] The internal gear of the gear speed reducer cannot be lubricated in time during long time operation, which will cause abrasion and affect the service life of the gear speed reducer.
[0004] For the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL
[0005] In view of the problems in the related art, the utility model provides a low abrasion gear speed reducer of output shaft protection to overcome the above technical problems existing in the prior art.
[0006] Therefore, the utility model adopts the specific technical scheme as follows:
[0007] A low abrasion gear speed reducer of output shaft protection, comprising a speed reducer shell, one end of the speed reducer shell is provided with an input shaft, the side of the speed reducer shell away from the input shaft is provided with an output shaft, the output shaft is connected with the speed reducer shell through an abrasion reducing bearing, and the outer wall of the speed reducer shell is provided with a gear lubricating assembly.
[0008] As preferred, the gear lubricating assembly comprises a mounting shell provided on the outer wall of the speed reducer shell, the mounting shell is in communication with the speed reducer shell, one side of the top end of the speed reducer shell is provided with a lubricating box, an oil storage groove is formed in the lubricating box, a conveying groove is arranged on one side of the lubricating box, an oil extraction pipe in communication with the conveying groove is arranged in the oil storage groove, a conveying pipe in communication with the conveying groove is arranged on one side of the lubricating box, the conveying pipe extends to the mounting shell and is connected with a U-shaped pipe at the bottom end, and nozzles are arranged at both ends of the U-shaped pipe.
[0009] As preferred, the top end of the mounting shell is provided with a fuel filling pipe communicated with the oil storage groove, and the top end of the fuel filling pipe is provided with a pipe cover matched therewith.
[0010] As preferred, the top end of the mounting shell is provided with a U-shaped fixing frame, a crankshaft is arranged in the U-shaped fixing frame, a movable plug matched with the crankshaft is arranged in the conveying groove, the movable plug is connected with the crankshaft through a push-pull rod, and the crankshaft extends to the outside of the U-shaped fixing frame and is connected with a motor driving end.
[0011] As preferred, the push-pull rod is connected with the movable plug through a rotating shaft.
[0012] As preferred, a one-way valve one is arranged on the oil pumping pipe, and a one-way valve two is arranged on the conveying pipe outside the mounting shell.
[0013] The output shaft protection low-wear gear speed reducer has the advantages that the abrasion of the input shaft is reduced and the protection of the input shaft is improved by arranging the abrasion-reducing bearing, the internal gear is continuously sprayed with lubricating oil during the continuous operation of the gear reducer to improve the lubricity between the gears and prevent the abrasion between the gears from affecting the service life of the gear reducer. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0015] Figure 1 is a schematic view of the overall structure of an output shaft protection low-wear gear speed reducer according to an embodiment of the present application;
[0016] Figure 2 is a front view of an output shaft protection low-wear gear speed reducer according to an embodiment of the present application;
[0017] Figure 3 is a sectional view of a lubricating box in an output shaft protection low-wear gear speed reducer according to an embodiment of the present application;
[0018] Figure 4 is Figure 3 a local enlarged view of position A in FIG.
[0019] in the drawings:
[0020] 1, speed reducer shell; 2, input shaft; 3, output shaft; 4, wear-reducing bearing; 5, mounting shell; 6, lubricating tank; 7, oil storage groove; 8, conveying groove; 9, oil extraction pipe; 10, conveying pipe; 11, U-shaped pipe; 12, nozzle; 13, oil filling pipe; 14, U-shaped fixing frame; 15, crankshaft; 16, movable plug; 17, push-pull rod; 18, motor; 19, rotating shaft; 20, one-way valve I; 21, one-way valve II. DETAILED DESCRIPTION
[0021] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.
[0022] According to the embodiment of the utility model, a low-wear gear speed reducer with output shaft protection is provided.
[0023] Embodiment one;
[0024] As Figures 1-4 shown, according to the low-wear gear speed reducer with output shaft protection of the utility model embodiment, including the speed reducer shell 1, the speed reducer shell 1 one end is equipped with input shaft 2, the speed reducer shell 1 is equipped with output shaft 3 on the side away from input shaft 2, the output shaft 3 is connected with the speed reducer shell 1 through wear-reducing bearing 4, the speed reducer shell 1 outer wall is equipped with gear lubricating assembly.
[0025] Embodiment two;
[0026] As Figures 1-4As shown, including a reducer housing 1, the reducer housing 1 is provided with an input shaft 2 at one end, the reducer housing 1 is provided with an output shaft 3 away from the input shaft 2, the output shaft 3 is connected with the reducer housing 1 through the anti-friction bearing 4, the outer wall of the reducer housing 1 is provided with a gear lubrication assembly. The gear lubrication assembly comprises the mounting shell 5 provided on the outer wall of the reducer housing 1, the mounting shell 5 is communicated with the reducer housing 1, the lubricating box 6 is provided on one side of the top end of the reducer housing 1, the lubricating box 6 is provided with an oil storage groove 7, the lubricating box 6 is provided with a conveying groove 8 on one side of the oil storage groove 7, the oil storage groove 7 is provided with an oil extraction pipe 9 communicated with the conveying groove 8, the lubricating box 6 is provided with a conveying pipe 10 communicated with the conveying groove 8 on one side, the conveying pipe 10 extends to the mounting shell 5 and is connected with the U-shaped pipe 11, and the U-shaped pipe 11 is provided with a nozzle 12 at both ends. The top end of the mounting shell 5 is provided with an oil filling pipe 13 communicated with the oil storage groove 7, and the top end of the oil filling pipe 13 is provided with a pipe cover matched therewith. The top end of the mounting shell 5 is provided with a U-shaped fixing frame 14, the U-shaped fixing frame 14 is provided with a crankshaft 15, the conveying groove 8 is provided with a movable plug 16 matched therewith, the movable plug 16 is connected with the crankshaft 15 through a push-pull rod 17, and the crankshaft 15 extends to the outside of the U-shaped fixing frame 14 and is connected with the driving end of the motor 18. The push-pull rod 17 is connected with the movable plug 16 through a rotating shaft 19. The oil extraction pipe 9 is provided with a one-way valve 20, and the mounting shell 5 is provided with a one-way valve 21 on the conveying pipe 10.
[0027] In actual application, when the gear is decelerated, the motor 18 drives the crankshaft 15 to rotate, the crankshaft 15 drives the movable plug 16 to move up and down through the push-pull rod 17, when the movable plug 16 moves upward, the lubricating oil in the oil storage groove 7 is extracted to the conveying groove 8 through the oil extraction pipe 9, when the movable plug 16 moves downward, the lubricating oil in the conveying groove 8 is extruded into the conveying pipe 10, then enters the U-shaped pipe 11 through the conveying pipe, and finally is sprayed into the reducer housing 1 from the nozzle 12. By arranging the anti-friction bearing, the friction of the input shaft can be reduced and the protection performance is improved. By arranging the gear lubrication assembly, the internal gear can be continuously sprayed with lubricating oil during the continuous operation of the gear reducer, the lubricity between the gears is improved, and the service life of the gear reducer is affected by preventing the wear between the gears.
[0028] In summary, by means of the above technical scheme of the utility model, by arranging the anti-friction bearing, the friction of the input shaft can be reduced and the protection performance is improved. By arranging the gear lubrication assembly, the internal gear can be continuously sprayed with lubricating oil during the continuous operation of the gear reducer, the lubricity between the gears is improved, and the service life of the gear reducer is affected by preventing the wear between the gears.
[0029] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A low-wear gear reducer with output shaft protection, characterized in that, The gearbox includes a speed reducer housing (1), one end of which is provided with an input shaft (2), and the side of the speed reducer housing (1) away from the input shaft (2) is provided with an output shaft (3). The output shaft (3) is connected to the speed reducer housing (1) through a friction-reducing bearing (4). The outer wall of the speed reducer housing (1) is provided with a gear lubrication assembly.
2. The low-wear gear reducer with output shaft protection according to claim 1, characterized in that, The gear lubrication assembly includes an installation shell (5) provided on the outer wall of the reducer housing (1), the installation shell (5) being connected to the reducer housing (1), a lubrication box (6) being provided on one side of the top of the reducer housing (1), an oil storage tank (7) being provided in the lubrication box (6), a conveying groove (8) being provided on one side of the lubrication box (6) and located on the oil storage tank (7), an oil extraction pipe (9) being provided in the oil storage tank (7) and connected to the conveying groove (8), a conveying pipe (10) being provided on one side of the lubrication box (6) and connected to the conveying groove (8), the bottom end of the conveying pipe (10) extending into the installation shell (5) and connected to a U-shaped pipe (11), and nozzles (12) being provided at both ends of the U-shaped pipe (11).
3. A low-wear gear reducer with output shaft protection according to claim 2, characterized in that, The top of the mounting housing (5) is provided with a refueling pipe (13) that communicates with the oil storage tank (7), and the top of the refueling pipe (13) is provided with a matching pipe cap.
4. A low-wear gear reducer with output shaft protection according to claim 2, characterized in that, The top of the mounting housing (5) is provided with a U-shaped fixing frame (14), and a crankshaft (15) is provided in the U-shaped fixing frame (14). A matching movable plug (16) is provided in the conveying groove (8). The movable plug (16) is connected to the crankshaft (15) through a push-pull rod (17). The shaft end of the crankshaft (15) extends to the outside of the U-shaped fixing frame (14) and is connected to the drive end of the motor (18).
5. A low-wear gear reducer with output shaft protection according to claim 4, characterized in that, The push-pull rod (17) is connected to the movable plug (16) via a pivot (19).
6. A low-wear gear reducer with output shaft protection according to claim 2, characterized in that, One-way valve 1 (20) is provided on the oil extraction pipe (9), and one-way valve 2 (21) is provided outside the mounting shell (5) and on the delivery pipe (10).