Lubricating and oil feeding device for planet carrier of gearbox

Abstract

The utility model belongs to the field of planet carriers, and particularly relates to a gearbox planet carrier lubrication oil feeding device which comprises a planet carrier body and planet wheels, the planet wheels are arranged in multiple sets and connected to the inner side of the planet carrier body in a meshed mode, and an oil feeding assembly is arranged on the planet carrier body. Lubricating oil is conveyed into the gap between the planet carrier body and the planet wheel through the oil conveying assembly, a certain amount of lubricating oil can be conveniently stored through the oil conveying assembly, the lubricating oil can be continuously added into the gap between the planet carrier body and the planet wheel, smearing is more uniform, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of planetary frames, in particular to a lubricating oil delivery device for a planetary frame of a gear box. Background Art

[0002] The planet carrier is one of the main components of the planetary gear transmission, and the planetary shaft or bearing is installed on the planet carrier; when the planetary gear is used as a basic component, it is the part in the mechanism that bears the largest external torque; the structural design and manufacturing of the planetary gear has a great influence on the load distribution between the planetary gears and even the load-bearing capacity, noise and vibration of the transmission.

[0003] The current planetary carrier has a single structure. When lubricating oil is added as a whole, it is easy to cause lubricating oil splashing between the planetary gears, and the lubricating oil cannot be evenly applied, resulting in greater friction between the gears during use and easy damage. Therefore, a gear box planetary carrier lubrication oil delivery device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problem that the current planetary carrier has a single structure, the lubricating oil is easily splashed between the planetary gears when the lubricating oil is added as a whole, and the lubricating oil cannot be evenly applied, resulting in greater friction between the gears during use and easy damage, the utility model proposes a gear box planetary carrier lubricating oil delivery device.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a gear box planetary carrier lubrication oil delivery device, including a planetary carrier body and planetary wheels, the planetary wheels are provided with multiple groups and meshingly connected to the inner side of the planetary carrier body, the planetary carrier body is provided with an oil delivery assembly, and the lubricating oil is delivered to the gap between the planetary carrier body and the planetary wheels through the oil delivery assembly.

[0006] Preferably, the oil delivery assembly includes an oil storage chamber opened on one side of the planetary carrier, and the bottom side of the oil storage chamber is provided with an oil outlet hole, and the oil outlet hole is connected to the inner outside of the planetary carrier body, and an edge sealing ring is installed on the outer wall of the oil storage chamber, and a movable ring is slidably installed in the oil storage chamber, and a movable column is embedded and fixedly connected to the movable ring, and a through hole is opened on the edge sealing ring, and the end of the movable column away from the movable ring is movably inserted in the through hole, and the end of the movable column is flush with the outer wall of the edge sealing ring.

[0007] Preferably, a spring 1 is fixedly connected to the bottom of the movable ring, the bottom of the spring 1 is in contact with the bottom of the oil storage chamber, and four springs 1 are provided and symmetrically installed on the bottom end of the movable ring.

[0008] Preferably, the oil outlet holes are provided in multiple groups and are arranged in a circular ring shape on the inner wall of the planet carrier body.

[0009] Preferably, the edge sealing ring is fixedly mounted on the side wall of the planet carrier body by fixing screws.

[0010] Preferably, the side wall of the movable ring is in contact with the inner wall of the oil storage cavity.

[0011] Preferably, a through-type oil filling hole is provided in the middle of the movable column, a closing plate is provided at the bottom end of the movable column, mounting holes are symmetrically provided on both sides of the bottom end of the movable column, a sliding rod is fixedly installed on the side wall adjacent to the closing plate and the movable column, the sliding rod is slidably set in the mounting hole, and a spring 2 is provided inside the mounting hole to reset the sliding rod, and the two ends of the spring 2 are respectively fixedly connected to the inner wall of the mounting hole and the sliding rod.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model is convenient for adding lubricating oil to the inner side of the planetary carrier body by arranging an oil delivery assembly. When in use, the lubricating oil is pre-stored at the bottom of the movable ring, and the lubricating oil is slowly discharged through the oil outlet hole and enters the gap between the planetary carrier body and the planetary gear. In this way, the lubricating oil can be continuously added to the gap between the planetary carrier body and the planetary gear, and the application is more uniform. In addition, by pressing the movable column inward, the movable column pushes the movable ring to move, and then the lubricating oil can be quickly squeezed out, which is convenient for adding more lubricating oil at one time and facilitating lubrication.

[0014] 2. The utility model is provided with an oil filling hole, a sealing plate, a sliding hole, a sliding rod and a spring II structure. When it is necessary to add lubricating oil to the oil storage chamber, a needle tube is inserted from the oil filling hole, and the sealing plate is pushed downward by the end of the needle tube to open the oil filling hole. Thereafter, the lubricating oil can be injected into the oil storage chamber. After the lubricating oil is added, the needle tube is pulled out, and the sealing plate is reset by the rebound action of the spring II. The sealing plate can move stably through the cooperation of the sliding rod and the sliding hole, and then the oil filling hole is sealed again. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0017] Figure 2 It is a partial cross-sectional view of the first embodiment;

[0018] Figure 3It is a schematic diagram of the local structure of the first embodiment;

[0019] Figure 4 It is a structural schematic diagram of the oil delivery assembly of the first embodiment;

[0020] Figure 5 This is a structural schematic diagram of the installation position of the sealing plate of the second embodiment.

[0021] In the figure: 1. planet carrier body; 2. planetary gear; 3. oil delivery assembly; 31. edge sealing ring; 32. movable column; 33. through hole; 34. movable ring; 35. oil outlet hole; 36. oil storage chamber; 37. spring 1; 38. fixing screw; 39. oil filling hole; 310. mounting hole; 311. spring 2; 312. slide rod; 313. sealing plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, a gearbox planetary carrier lubrication oil delivery device includes a planetary carrier body 1 and planetary wheels 2, wherein the planetary wheels 2 are provided in multiple groups and meshingly connected to the inner side of the planetary carrier body 1, and an oil delivery assembly 3 is provided on the planetary carrier body 1, through which the lubricating oil is delivered to the gap between the planetary carrier body 1 and the planetary wheels 2.

[0025] The oil delivery assembly 3 includes an oil storage chamber 36 opened on one side of the planet carrier, and an oil outlet hole 35 is provided on the bottom side of the oil storage chamber 36. The oil outlet hole 35 is connected to the inner outside of the planet carrier body 1. A sealing ring 31 is installed on the outer wall of the oil storage chamber 36. A movable ring 34 is slidably installed in the oil storage chamber 36. A movable column 32 is fixedly connected to the movable ring 34 in an inlaid manner. A through hole 33 is opened on the sealing ring 31. The end of the movable column 32 away from the movable ring 34 is movably inserted in the through hole. In the hole 33, the end of the movable column 32 is flush with the outer wall of the edge sealing ring 31; when working, the lubricating oil is pre-stored at the bottom of the movable ring 34, and the lubricating oil is slowly discharged through the oil outlet 35 and enters the gap between the planetary carrier body 1 and the planetary gear 2, so that the lubricating oil can be continuously added to the gap between the planetary carrier body 1 and the planetary gear 2; in addition, by pressing the movable column 32 inward, the movable column 32 pushes the movable ring 34 to move, and then the lubricating oil can be quickly squeezed out, which is convenient for adding more lubricating oil at one time.

[0026] The bottom of the movable ring 34 is fixedly connected with a spring 37, the bottom of the spring 37 is in contact with the bottom of the oil storage chamber 36, and four springs 37 are provided and symmetrically installed on the bottom end of the movable ring 34; when working, the movable ring 34 can return to the initial position.

[0027] The oil outlet holes 35 are provided in multiple groups and are arranged in a circular ring shape on the inner wall of the planet carrier body 1; during operation, it is convenient to add more lubricating oil at the same time, the application is more uniform, and the lubrication effect is better.

[0028] The edge sealing ring 31 is fixedly mounted on the side wall of the planet carrier body 1 by means of fixing screws 38; during operation, the oil delivery assembly 3 can be easily disassembled and assembled, and maintenance can be facilitated.

[0029] The side wall of the movable ring 34 is in contact with the inner wall of the oil storage cavity 36 ; during operation, the lubricating oil in the oil storage cavity 36 is squeezed out from the oil outlet 35 through the movable ring 34 .

[0030] Embodiment 2

[0031] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, a through-type oil filling hole 39 is opened in the middle of the movable column 32, a sealing plate 313 is provided at the bottom end of the movable column 32, and mounting holes 310 are symmetrically opened on both sides of the bottom end of the movable column 32, and a sliding rod 312 is fixedly installed on the side wall adjacent to the sealing plate 313 and the movable column 32, and the sliding rod 312 is slidably set in the mounting hole 310, and a spring 2 311 is provided inside the mounting hole 310 to reset the sliding rod 312, and the two ends of the spring 2 311 are fixedly installed on the side wall adjacent to ... the two ends of the spring 2 311 are fixedly installed on the side wall adjacent to the movable column 32, and the sliding rod 312 is slidably set in the mounting hole 310, and the two ends of the spring 2 311 are fixedly installed on the side wall adjacent to the movable column 32, and the sliding rod 312 is slidably set in the mounting hole 310, and the two ends of the spring 2 311 are fixedly installed on the side wall adjacent to the movable column 32, and the sliding rod 312 is fixedly installed on the side wall adjacent to the movable column 32, and the sliding rod 312 is fixedly installed in the mounting hole 310, and the two ends of the spring 2 311 are fixedly The ends are fixedly connected to the inner wall of the mounting hole 310 and the sliding rod 312 respectively; during operation, when it is necessary to add lubricating oil to the oil storage chamber 36, the needle tube is inserted from the oil filling hole 39, and the sealing plate 313 is pushed downward by the end of the needle tube, so that the oil filling hole 39 can be opened, and then the lubricating oil can be injected into the oil storage chamber 36. After the lubricating oil is added, the needle tube is pulled out, and the sealing plate 313 is reset by the rebound action of the spring 311. The sealing plate 313 can move stably through the cooperation of the sliding rod 312 and the sliding hole, and then the oil filling hole 39 is sealed again.

[0032] Working principle: during operation, the lubricating oil is pre-stored at the bottom of the movable ring 34, and the lubricating oil is slowly discharged through the oil outlet 35 and enters the gap between the planetary frame body 1 and the planetary gear 2, so that the lubricating oil can be continuously added to the gap between the planetary frame body 1 and the planetary gear 2; in addition, by pressing the movable column 32 inward, the movable column 32 pushes the movable ring 34 to move, and then the lubricating oil can be quickly squeezed out, which is convenient for adding more lubricating oil at one time. In addition, when it is necessary to add lubricating oil to the inside of the oil storage chamber 36, the needle tube is inserted from the oil filling hole 39, and the sealing plate 313 is pushed downward by the end of the needle tube, so that the oil filling hole 39 can be opened, and then the lubricating oil can be injected into the oil storage chamber 36. After the lubricating oil is added, the needle tube is pulled out, and the sealing plate 313 is reset by the rebound effect of the spring 2 311. The sealing plate 313 can move stably through the cooperation of the sliding rod 312 and the sliding hole, and then the oil filling hole 39 is re-sealed.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gear box planetary carrier lubrication oil delivery device, characterized in that: The invention comprises a planet carrier body (1) and planetary wheels (2), wherein the planetary wheels (2) are provided in a plurality of groups and meshingly connected to the inner side of the planet carrier body (1), and an oil delivery assembly (3) is provided on the planet carrier body (1), and lubricating oil is delivered to the gap between the planet carrier body (1) and the planetary wheels (2) through the oil delivery assembly (3); The oil delivery assembly (3) comprises an oil storage chamber (36) provided on one side of the planetary carrier, an oil outlet hole (35) is provided on the bottom side of the oil storage chamber (36), the oil outlet hole (35) is communicated with the inner outside of the planetary carrier body (1), an edge sealing ring (31) is installed on the outer wall of the oil storage chamber (36), a movable ring (34) is slidably installed in the oil storage chamber (36), a movable column (32) is fixedly connected to the movable ring (34) in an embedded manner, a through hole (33) is provided on the edge sealing ring (31), the end of the movable column (32) away from the movable ring (34) is movably inserted in the through hole (33), and the end of the movable column (32) is flush with the outer wall of the edge sealing ring (31); A through-type oil filling hole (39) is provided in the middle of the movable column (32), a sealing plate (313) is provided at the bottom end of the movable column (32), mounting holes (310) are symmetrically provided on both sides of the bottom end of the movable column (32), a sliding rod (312) is fixedly installed on the side wall adjacent to the sealing plate (313) and the movable column (32), the sliding rod (312) is slidably set in the mounting hole (310), and a spring (311) for returning the sliding rod (312) is provided inside the mounting hole (310), and the two ends of the spring (311) are respectively fixedly connected to the inner wall of the mounting hole (310) and the sliding rod (312).

2. The gear box planetary carrier lubrication oil delivery device according to claim 1, characterized in that: The bottom of the movable ring (34) is fixedly connected to a spring 1 (37), the bottom of the spring 1 (37) is in contact with the bottom of the oil storage chamber (36), and four springs 1 (37) are provided and symmetrically installed on the bottom end of the movable ring (34).

3. The gear box planetary carrier lubrication oil delivery device according to claim 2, characterized in that: The oil outlet holes (35) are provided in a plurality of groups and are arranged in a circular ring shape on the inner wall of the planet carrier body (1).

4. The gear box planetary carrier lubrication oil delivery device according to claim 3, characterized in that: The edge sealing ring (31) is fixedly mounted on the side wall of the planet carrier body (1) by means of fixing screws (38).

5. The gear box planetary carrier lubrication oil delivery device according to claim 4, characterized in that: The side wall of the movable ring (34) is in contact with the inner wall of the oil storage cavity (36).

Images