Rotary planetary reducer

Abstract

The invention discloses a rotary planetary speed reducer, and relates to the technical field of rotary planetary speed reducers, and the rotary planetary speed reducer is technically characterized by comprising a speed reducer shell, an output flange is mounted above the speed reducer shell, a click mounting flange is mounted below the speed reducer shell, and an output center shaft is rotatably mounted on the inner side of the output flange; an output gear is installed above the outer wall of the output center shaft, the lower end of the output gear is connected with a linkage shaft, a first speed reduction part is installed at the lower end of the output center shaft, and a second speed reduction part is arranged below the first speed reduction part. A sliding rod slides along a rail formed by a first rail, a second rail and a climbing rail, the movable cover plate and the extending connecting sleeve base move inwards and outwards, internal oil liquid is pushed, and therefore flowing of the internal oil liquid is accelerated, the oil liquid dispersing uniformity is improved, and the lubricating effect in the meshing process is improved; and the abrasion speed in the meshing process is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of rotary planetary reducers, in particular to a rotary planetary reducer. Background Art

[0002] As a key equipment in the field of mechanical transmission, the slewing planetary reducer demonstrates excellent performance with its unique planetary gear transmission principle. Its compact structural design achieves high torque output and precise transmission in a limited space. It has many advantages such as small size, light weight, high transmission efficiency, stable precision, etc., and can adapt to a variety of complex working conditions. Whether in industrial automation production lines, robot joint drives, or in high-end fields such as aerospace, precision instruments, etc., the slewing planetary reducer plays an irreplaceable role, providing a solid guarantee for the efficient and stable operation of various equipment, and promoting the development of modern industry towards high precision and high performance.

[0003] The current rotary planetary reducer suffers from excessive tooth wear due to insufficient lubrication between the planetary teeth, which is one of the common faults of the rotary planetary reducer. Therefore, there is an urgent need for a rotary planetary reducer that can improve the internal oil dispersion state of the rotary planetary reducer to solve the problem of rapid tooth wear. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a rotary planetary reducer, which improves the gears so that the internal oil can be fully dispersed during operation, thereby improving the lubrication performance between the gears and solving the problem of excessive tooth wear.

[0005] To achieve the above object, the present invention provides the following technical solutions: a rotary planetary reducer, comprising a reducer housing, an output flange is installed on the top of the reducer housing, a click mounting flange is installed on the bottom of the reducer housing, an output center shaft is rotatably installed on the inner side of the output flange, an output gear is installed on the top of the outer wall of the output center shaft, a linkage shaft is connected to the lower end of the output gear, a first reduction part is installed on the lower end of the output center shaft, and a second reduction part is arranged below the first reduction part; The first speed reduction unit comprises a secondary mounting frame installed inside the speed reducer housing and located at the outer ring of the linkage shaft, and shafts are fixedly arranged at both ends of the secondary mounting frame; The second speed reduction unit includes a second planetary gear rotatably mounted below the outer wall of the shaft; The running end of the second planetary gear is equipped with an oil dispersion and pushing component, and a plurality of groups of oil swing and dispersion components are arranged at the oil dispersion and pushing component; The oil dispersion and pushing component includes a movable cover plate slidably arranged with the second planetary gear contact point, the inner ring of the movable cover plate is connected to an extended connecting sleeve seat, a sliding rod is rotatably installed on one side of the inner ring of the extended connecting sleeve seat, a ring sleeve is installed at one end of the shaft rod and corresponding to the extended connecting sleeve seat, a track one is opened on one side below the outer wall of the ring sleeve, and a track two is opened on the other side above the outer wall of the track one, and climbing tracks are symmetrically opened on the outer wall of the ring sleeve for connecting the track one and the track two end to end.

[0006] Preferably, a first sun gear is installed at the lower end of the linkage shaft, the inner ring of the secondary mounting frame is provided with an internal tooth 1 for use with the first sun gear, the outer wall of the shaft rod and the inner side of the secondary mounting frame are rotatably mounted with a first planetary gear, and a first inner gear ring is installed inside the reducer housing and corresponding to the first planetary gear.

[0007] Preferably, the first sun gear is meshedly connected with both the inner gear 1 and the first planetary gear, and the first planetary gear is meshedly connected with the first inner ring gear.

[0008] Preferably, the second speed reduction unit further comprises a second sun gear mounted on the lower end of the linkage shaft, and a second inner gear ring is mounted inside the speed reducer housing at a position corresponding to the second planetary gear.

[0009] Preferably, the second sun gear is meshingly connected to the second planetary gears, and the second planetary gears are meshingly connected to the second internal gear ring.

[0010] Preferably, a connecting cover plate is further provided between the first deceleration part and the second deceleration part, the shaft rod passes through the connecting cover plate, and the inner wall of the connecting cover plate is provided with internal teeth matching with the second sun gear.

[0011] Preferably, there is a height difference between track one and track two, the climbing track is set obliquely, the sliding rod is used in conjunction with track one, track two and the climbing track, the sliding rod is slidably connected to the ring sleeve, and one side of the second planetary gear is provided with a movable cover plate for use, and the movable cover plate is slidably connected to the second planetary gear.

[0012] Preferably, the oil swinging and dispersing component includes a plurality of arc grooves arranged in an array on one side of the movable cover plate, a linkage rotating rod is rotatably installed on the inner side of the arc groove, a swinging plate is installed on one side of the outer wall of the linkage rotating rod, a friction roller is arranged on the other side of the outer wall of the linkage rotating rod, and a friction roller is arranged on the outer wall of the friction roller to increase the friction force at the contact point and ensure the sliding stability. A friction groove for use with the friction roller is arranged on the inner side. During the movement of the movable cover plate in and out, the friction roller slides back and forth along the friction groove. During the rotation of the movable cover plate, the swinging plate will also swing back and forth, thereby realizing the supplementary dispersion of the internal oil, improving the oil dispersion effect, and further improving the lubrication effect during the meshing process.

[0013] Compared with the prior art, the present invention provides a rotary planetary reducer having the following beneficial effects: 1. By setting up an oil dispersion and pushing component, the sliding rod is used to slide along the track formed by track one, track two and the climbing track, so as to realize the inward and outward movement of the movable cover plate and the extended connecting sleeve, so as to realize the pushing of the internal oil, thereby accelerating the flow of the internal oil, improving the uniformity of the oil dispersion, improving the lubrication effect during the meshing process, and reducing the wear rate during the meshing process.

[0014] 2. By setting up an oil swinging and dispersing component, during the movement of the movable cover plate in and out, the friction roller slides back and forth along the friction groove. During the rotation of the movable cover plate, the swinging plate will also swing back and forth, thereby realizing the supplementary dispersion of the internal oil, improving the oil dispersion effect, further improving the lubrication effect during the meshing process, and further reducing the wear rate during the meshing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal cutaway structure of the present invention; Figure 3 It is a schematic diagram of the local structure of the present invention; Figure 4 It is a schematic diagram of the disassembled structure of the present invention; Figure 5 It is a schematic diagram of the partial disassembly structure of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle; Figure 7 It is a structural schematic diagram of the movable cover plate in the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at B in the middle.

[0016] In the figure: 1. Reducer housing; 11. Output flange; 12. Click to install the flange; 2. Output center shaft; 21. Output gear; 22. Linkage shaft; 3. First reduction unit; 31. First sun gear; 32. Secondary mounting frame; 33. Internal gear 1; 34. Shaft; 35. First planetary gear; 36. First internal gear ring; 4. Second speed reduction unit; 41. Second planetary gear; 42. Second internal gear ring; 43. Second sun gear; 5. movable cover; 51. extension connection sleeve; 52. sliding rod; 53. ring sleeve; 54. track 1; 55. track 2; 56. climbing track; 6. arc groove; 61. linkage rotating rod; 62. swinging plate; 63. friction roller; 64. friction groove. DETAILED DESCRIPTION

[0017] In the present invention, unless otherwise specified, the directions used, such as "up" and "down", usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0018] See also Figure 1-8 , the present invention provides a technical solution of a rotary planetary reducer: Embodiment 1, a rotary planetary reducer, comprising a reducer housing 1, an output flange 11 is installed above the reducer housing 1, a click mounting flange 12 is installed below the reducer housing 1, an output center shaft 2 is rotatably installed inside the output flange 11, an output gear 21 is installed above the outer wall of the output center shaft 2, a linkage shaft 22 is connected to the lower end of the output gear 21, a first reduction part 3 is installed at the lower end of the output center shaft 2, and a second reduction part 4 is arranged below the first reduction part 3; The first speed reducing part 3 comprises a secondary mounting frame 32 which is mounted inside the speed reducer housing 1 and located at the outer ring of the linkage shaft 22, and a shaft 34 is fixedly disposed at each end of the secondary mounting frame 32; The second speed reduction unit 4 includes a second planetary gear 41 rotatably mounted below the outer wall of the shaft 34; The running end of the second planetary gear 41 is provided with an oil dispersion and pushing component, and a plurality of groups of oil swing and dispersion components are provided at the oil dispersion and pushing component; The oil dispersion and pushing component includes a movable cover plate 5 which is slidably arranged to contact the second planetary gear 41. The inner ring of the movable cover plate 5 is connected to an extended connecting sleeve seat 51. A sliding rod 52 is rotatably installed on one side of the inner ring of the extended connecting sleeve seat 51. A ring sleeve 53 is installed at one end of the shaft rod 34 and corresponding to the extended connecting sleeve seat 51. A track 1 54 is opened on one side below the outer wall of the ring sleeve 53, and a track 2 55 is opened on the other side above the outer wall of the track 1 54. A climbing track 56 is symmetrically opened on the outer wall of the ring sleeve 53 for connecting the track 1 54 and the track 2 55 end to end. The lower end of the linkage shaft 22 is installed with the first sun gear 31 and the secondary mounting frame 32. The inner ring of the secondary mounting frame 32 is provided with an inner tooth 33 used in conjunction with the first sun gear 31, the outer wall of the shaft 34 is rotatably mounted on the inner side of the secondary mounting frame 32, a first planetary gear 35 is rotatably mounted, a first inner gear ring 36 is mounted inside the reducer housing 1 and corresponding to the first planetary gear 35, the first sun gear 31 is mounted on the lower end of the linkage shaft 22, the inner ring of the secondary mounting frame 32 is provided with an inner tooth 33 used in conjunction with the first sun gear 31, the outer wall of the shaft 34 is rotatably mounted on the inner side of the secondary mounting frame 32, and a first inner gear ring 36 is mounted inside the reducer housing 1 and corresponding to the first planetary gear 35; The second speed reducing unit 4 further includes a second sun gear 43 mounted on the lower end of the linkage shaft 22, a second inner gear ring 42 is mounted inside the speed reducer housing 1 and at a position corresponding to the second planetary gear 41, the second sun gear 43 is meshedly connected with the second planetary gear 41, the second planetary gear 41 is meshedly connected with the second inner gear ring 42, the second sun gear 43 is meshedly connected with the second planetary gear 41, and the second planetary gear 41 is meshedly connected with the second inner gear ring 42; There is a height difference between track one 54 and track two 55, and the climbing track 56 is set obliquely. The sliding rod 52 is used in conjunction with track one 54, track two 55 and climbing track 56. The sliding rod 52 is slidably connected with the ring sleeve 53. One side of the second planetary gear 41 is provided with 57 used in conjunction with the movable cover plate 5. The movable cover plate 5 is slidably connected with the second planetary gear 41. The sliding rod 52 slides along the track formed by track one 54, track two 55 and climbing track 56 to realize the inward and outward movement of the movable cover plate 5 and the extended connecting sleeve 51, so as to realize the promotion of the internal oil, thereby accelerating the flow of the internal oil, improving the uniformity of the oil dispersion, and improving the lubrication effect during the meshing process.

[0019] In the second embodiment, the oil swinging and dispersing component includes a plurality of arc grooves 6 arranged in an array on one side of the movable cover plate 5, a linkage rotating rod 61 is rotatably installed on the inner side of the arc groove 6, a swinging plate 62 is installed on one side of the outer wall of the linkage rotating rod 61, a friction roller 63 is arranged on the other side of the outer wall of the linkage rotating rod 61, and a coating for increasing friction is arranged on the outer wall of the friction roller 63 to enhance the friction force at the contact point and ensure the stability of sliding. A friction groove 64 used in conjunction with the friction roller 63 is arranged on the inner side of 57. During the movement of the movable cover plate 5 in and out, the friction roller 63 slides back and forth along the friction groove 64. During the rotation of the movable cover plate 5, the swinging plate 62 will also swing back and forth, thereby realizing the supplementary dispersion of the internal oil, enhancing the oil dispersion effect, and further enhancing the lubrication effect during the meshing process.

[0020] When used specifically, the present invention is used as a rotary planetary reducer, and the oil swinging dispersion component includes a plurality of arc grooves 6 arranged in an array on one side of the movable cover plate 5, a linkage rotating rod 61 is rotatably installed on the inner side of the arc groove 6, a swinging plate 62 is installed on one side of the outer wall of the linkage rotating rod 61, and a friction roller 63 is arranged on the other side of the outer wall of the linkage rotating rod 61, and a friction roller 63 is arranged on the outer wall of the friction roller 63 to increase the friction force at the contact point and ensure the stability of sliding. A friction groove 64 used in conjunction with the friction roller 63 is arranged on the inner side of 57, and during the movement of the movable cover plate 5 in and out, the friction roller 63 slides back and forth along the friction groove 64, and during the rotation of the movable cover plate 5, the swinging plate 62 will also swing back and forth, thereby realizing the supplementary dispersion of the internal oil, improving the oil dispersion effect, and further improving the lubrication effect during the meshing process.

[0021] It should be added that the working principles of the first and second stage planetary reduction and the output principle of the present invention are conventional working methods in the art and will not be further elaborated in this application.

[0022] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A rotary planetary reducer, comprising a reducer housing (1), an output flange (11) being mounted above the reducer housing (1), a click mounting flange (12) being mounted below the reducer housing (1), an output center shaft (2) being rotatably mounted inside the output flange (11), an output gear (21) being mounted above the outer wall of the output center shaft (2), and a linkage shaft (22) being connected to the lower end of the output gear (21), characterized in that: A first deceleration part (3) is installed at the lower end of the output central shaft (2), and a second deceleration part (4) is arranged below the first deceleration part (3); The first speed reducing part (3) comprises a secondary mounting frame (32) mounted on the inner side of the speed reducer housing (1) and located at the outer ring of the linkage shaft (22), and shaft rods (34) are fixedly provided at the ends of the secondary mounting frame (32); The second speed reduction unit (4) comprises a second planetary gear (41) rotatably mounted below the outer wall of the shaft (34); An oil dispersion and pushing component is installed at the running end of the second planetary gear (41), and a plurality of groups of oil swing and dispersion components are arranged at the oil dispersion and pushing component; The oil dispersion and pushing component comprises a movable cover plate (5) slidably arranged to contact the second planetary gear (41); the inner ring of the movable cover plate (5) is connected to an extension connection sleeve seat (51); a sliding rod (52) is rotatably mounted on one side of the inner ring of the extension connection sleeve seat (51); a ring sleeve (53) is mounted at one end of the shaft rod (34) and at a position corresponding to the extension connection sleeve seat (51); a track 1 (54) is opened on one side of the lower outer wall of the ring sleeve (53); a track 2 (55) is opened on the other side of the upper outer wall of the track 1 (54); and climbing tracks (56) are symmetrically opened on the outer wall of the ring sleeve (53) for connecting the track 1 (54) and the track 2 (55) end to end.

2. A rotary planetary reducer according to claim 1, characterized in that: A first sun gear (31) is mounted on the lower end of the linkage shaft (22); an inner ring of the secondary mounting frame (32) is provided with an inner tooth (33) for use with the first sun gear (31); a first planetary gear (35) is rotatably mounted on the outer wall of the shaft rod (34) and located on the inner side of the secondary mounting frame (32); and a first inner gear ring (36) is mounted inside the reducer housing (1) and at a position corresponding to the first planetary gear (35).

3. A rotary planetary reducer according to claim 2, characterized in that: The first sun gear (31) is meshingly connected with both the inner gear 1 (33) and the first planetary gear (35), and the first planetary gear (35) is meshingly connected with the first inner gear ring (36).

4. A rotary planetary reducer according to claim 1, characterized in that: The second speed reduction unit (4) further comprises a second sun gear (43) mounted on the lower end of the linkage shaft (22), and a second inner gear ring (42) is mounted inside the speed reducer housing (1) at a position corresponding to the second planetary gear (41).

5. A rotary planetary reducer according to claim 4, characterized in that: The second sun gear (43) is meshingly connected to the second planetary gears (41), and the second planetary gears (41) are meshingly connected to the second inner ring gear (42).

6. A rotary planetary reducer according to claim 4, characterized in that: A connecting cover plate is also provided between the first deceleration part (3) and the second deceleration part (4), the shaft (34) passes through the connecting cover plate, and the inner wall of the connecting cover plate is provided with internal teeth that cooperate with the second sun gear (43).

7. The rotary planetary reducer according to claim 1, characterized in that: There is a height difference between the track 1 (54) and the track 2 (55), the climbing track (56) is arranged obliquely, the sliding rod (52) is used in conjunction with the track 1 (54), the track 2 (55) and the climbing track (56), the sliding rod (52) is slidably connected to the ring sleeve (53), one side of the second planetary gear (41) is provided with a (57) used in conjunction with the movable cover plate (5), the movable cover plate (5) is slidably connected to the second planetary gear (41), and the sliding rod (52) is slid along the track formed by the track 1 (54), the track 2 (55) and the climbing track (56) to achieve the inner and outer movement of the movable cover plate (5) and the extension connection sleeve (51), so as to achieve the promotion of the internal oil, thereby accelerating the flow of the internal oil, improving the uniformity of the oil dispersion, and improving the lubrication effect during the meshing process.

8. A rotary planetary reducer according to claim 7, characterized in that: The oil swing dispersing component comprises a plurality of arc grooves (6) arranged in an array on one side of the movable cover plate (5); a linkage rotating rod (61) is rotatably mounted on the inner side of the arc groove (6); a swinging plate (62) is mounted on one side of the outer wall of the linkage rotating rod (61); a friction roller (63) is arranged on the other side of the outer wall of the linkage rotating rod (61); a friction coating for increasing friction is arranged on the outer wall of the friction roller (63) to increase the friction force at the contact point and ensure the stability of sliding; a friction groove (64) is arranged on the inner side of the (57) for use with the friction roller (63); during the process of the movable cover plate (5) moving in and out, the friction roller (63) slides back and forth along the friction groove (64); during the process of the movable cover plate (5) rotating, the swinging plate (62) also swings back and forth accordingly, thereby achieving the replenishment and dispersion of the internal oil, improving the oil dispersion effect, and further improving the lubrication effect during the meshing process.

Images