Vertical planetary motor speed reduction structure

Abstract

The utility model relates to the related technical field of speed reducers, and discloses a vertical planetary motor speed reduction structure which comprises a speed reduction box, a gear box is fixedly connected to the speed reduction box, a first rotating mounting seat is fixedly connected to the side, away from the gear box, of the speed reduction box, and an input shaft is rotationally connected into the first rotating mounting seat. One end, arranged in the reduction gearbox, of the input shaft is fixedly connected with a driving gear; a plurality of groups of planetary gear speed reduction assemblies which are matched with one another are mounted in the speed reduction box, so that multi-stage speed reduction is carried out through the plurality of groups of planetary gear speed reduction assemblies; multi-stage speed reduction between the input shaft and the output shaft is achieved through mutual series connection of the multiple sets of planetary gear speed reduction assemblies, the planetary gear speed reduction assemblies connected with the output shaft are adjusted through the gear adjusting assembly, so that the speed reduction ratio between the input shaft and the output shaft is adjusted, and then the rotating speed of the output shaft is adjusted; and the practicability of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vertical planetary motor reduction structure relates to the technical field of speed reducer. BACKGROUND

[0002] Speed reducer is a kind of independent component by being enclosed in rigid shell gear transmission, worm drive, gear-worm drive is composed, commonly used as the speed reduction transmission device between prime mover and working machine, between prime mover and working machine or actuator, match rotational speed and transmit torque, it is extremely widely used in modern machinery;

[0003] The existing speed reducer cannot effectively adjust the speed when using, when the output torque of speed reducer is larger, the phenomenon of motor damage usually appears. UTILITY MODEL CONTENT

[0004] The utility model discloses a vertical planetary motor reduction structure to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A vertical planetary motor reduction structure, including the reduction box, the reduction box is fixedly connected with gear box, the side away from the gear box of reduction box is fixedly connected with first rotating mounting seat, rotatingly connected with input shaft in first rotating mounting seat, and the one end in the reduction box of input shaft is fixedly connected with driving gear;

[0007] The reduction box is installed with multiple groups of mutually cooperating planetary gear reduction assembly, so that multiple stages of reduction are carried out through multiple planetary gear reduction assembly;

[0008] The planetary gear reduction assembly includes planetary carrier arranged in the reduction box, the inner wall of the reduction box is fixedly connected with multiple groups of equidistant distribution limit slot, the limit slot is fixedly connected with fixed inner ring gear, one side of the planetary carrier is rotatably connected with multiple groups of circumferentially distributed planetary gears, the planetary gear is arranged in the limit slot, and the planetary gear is engaged with the fixed inner ring gear, the other side of the planetary carrier is fixedly connected with the center gear ring, the center gear ring is engaged with the planetary gear in the planetary gear reduction assembly of adjacent another group, and the inner wall of the center gear ring is fixedly connected with driving inner ring gear;

[0009] The driving gear and the inner ring of planetary gear are engaged with each other.

[0010] The gear box is provided with the second rotating mounting seat fixedly connected in the reduction box.

[0011] The second rotating mounting seat is installed with the gear shifting assembly.

[0012] As a further scheme of the utility model: the mounting seat is fixedly connected on both sides of the reduction gearbox.

[0013] As a further scheme of the utility model: the gear shifting assembly comprises a rotating cylinder rotatably connected in the second rotating mounting seat, the axis of the rotating cylinder is offset from the axis of the reduction gearbox, a first rotating frame is fixedly connected on the rotating cylinder, a plurality of mounting shafts are fixedly connected on the first rotating frame and are circumferentially distributed with the rotating cylinder as the center, a second rotating frame is fixedly connected on the side of the mounting shaft away from the first rotating frame, an output rod is rotatably connected on the second rotating frame, and the output rod is fixedly connected with an output shaft through the rotating cylinder and the gear box.

[0014] As a further scheme of the utility model: a first transmission gear is rotatably connected on the mounting shaft, a plurality of first transmission gears are sequentially and meshingly connected with a plurality of driving inner gear rings, a plurality of second transmission gears are fixedly connected on the output rod and are equidistantly distributed, and the plurality of second transmission gears are meshingly connected with the first transmission gears.

[0015] As a further scheme of the utility model: a control shaft is rotatably connected in the gear box, a control gear is fixedly connected on the control shaft and arranged in the gear box, an adjusting gear is fixedly connected on one end of the rotating cylinder arranged in the gear box, and the adjusting gear is meshingly connected with the control gear.

[0016] Compared with the prior art, the utility model has the advantages that: through the mutual series connection of the plurality of planetary gear reduction assemblies, the utility model realizes the multi-stage reduction between the input shaft and the output shaft, adjusts the planetary gear reduction assembly connected with the output shaft through the gear shifting assembly, adjusts the reduction ratio between the input shaft and the output shaft, and further adjusts the rotating speed of the output shaft, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of a vertical planetary motor reduction structure in the utility model.

[0018] Figure 2 It is a sectional structural schematic view of a vertical planetary motor reduction structure in the utility model.

[0019] Figure 3 It is a structural schematic view of a reduction gearbox in a vertical planetary motor reduction structure in the utility model.

[0020] Figure 4 It is a structural schematic view of a reduction mechanism in a vertical planetary motor reduction structure in the utility model.

[0021] Figure 5 It is a structural schematic view of a planetary gear reduction assembly in a vertical planetary motor reduction structure in the utility model.

[0022] Figure 6 It is a structural schematic view of the planetary gear reduction assembly in the vertical planetary motor reduction structure of the utility model.

[0023] Figure 7 It is a structural schematic view of the driving gear in the vertical planetary motor reduction structure of the utility model.

[0024] Figure 8 It is a structural schematic view of the gear adjusting assembly in the vertical planetary motor reduction structure of the utility model.

[0025] In the figure: 1 - reduction box, 2 - mounting seat, 3 - limiting groove, 4 - fixed inner gear ring, 5 - planet carrier, 6 - planetary gear, 7 - central gear ring, 8 - driving inner gear ring, 9 - input shaft, 10 - driving gear, 11 - gear box, 12 - second rotating mounting seat, 13 - rotating cylinder, 14 - first rotating frame, 15 - mounting shaft, 16 - second rotating frame, 17 - output rod, 18 - first transmission gear, 19 - second transmission gear, 20 - adjusting gear, 21 - control gear, 22 - control shaft, 23 - output shaft, 24 - first rotating mounting seat. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Referring to Figures 1-8 In the embodiments of the utility model, a vertical planetary motor reduction structure comprises a reduction box 1, the reduction box 1 is fixedly connected with a gear box 11, the side, away from the gear box 11, of the reduction box 1 is fixedly connected with a first rotating mounting seat 24, the first rotating mounting seat 24 is rotatably connected with an input shaft 9, one end of the input shaft 9 arranged in the reduction box 1 is fixedly connected with a driving gear 10.

[0028] A plurality of groups of planetary gear reduction assemblies that cooperate with each other are installed in the reduction box 1, so that multi-stage reduction is realized through the plurality of groups of planetary gear reduction assemblies.

[0029] The planetary gear reduction assembly comprises a planet carrier 5 arranged in a reduction box 1, a plurality of groups of limiting grooves 3 equidistantly arranged and fixedly connected on the inner wall of the reduction box 1, a fixed inner ring gear 4 fixedly connected in the limiting groove 3, a plurality of groups of planet gears 6 circumferentially arranged and rotatably connected on one side of the planet carrier 5, the planet gears 6 being arranged in the limiting groove 3 and being in mesh with the fixed inner ring gear 4, a central gear ring 7 fixedly connected on the other side of the planet carrier 5 and in mesh with the planet gears 6 in another group of planet gear reduction assemblies adjacent to the central gear ring 7, and a driving inner ring gear 8 fixedly connected on the inner wall of the central gear ring 7.

[0030] The driving gear 10 is in mesh with the inner ring of the planet gear 6, the gear box 11 is internally provided with a second rotating mounting base 12 fixedly connected in the reduction box 1, and the second rotating mounting base 12 is internally provided with a gear shifting assembly.

[0031] The novel gear reduction assembly is first rotated by the driving device and the input shaft 9, the input shaft 9 drives the driving gear 10 to rotate, the driving gear 10 drives a plurality of groups of planet gears 6 to rotate through meshing with the planet gears 6, the planet gears 6 drive the planet gears 6 to rotate around the axis of the reduction box 1 through meshing with the fixed inner ring gear 4, the planet gears 6 drive the planet carrier 5 to rotate, the planet carrier 5 drives the central gear ring 7 to rotate, the central gear ring 7 drives the next group of planet gear reduction assemblies through meshing with the planet gears 6 in the next group of planet gear reduction assemblies, and the process is further reduced by two stages, so that the novel gear reduction assembly can be used for multi-stage reduction, the central gear ring 7 drives the driving inner ring gear 8 to rotate, the driving inner ring gear 8 drives the output shaft 23 to rotate through the gear shifting assembly, and the input shaft 9 and the output shaft 23 are reduced.

[0032] In one case of the embodiment, please refer to Figures 1-8 The reduction box 1 is fixedly connected with the mounting base 2 on both sides, and the novel gear reduction assembly is arranged on the mounting base 2.

[0033] In one case of the embodiment, please refer to Figures 1-8The gear shifting assembly comprises a rotating cylinder 13 rotatably connected in the second rotating mounting seat 12, the axis of the rotating cylinder 13 is offset from the axis of the reduction gearbox 1, the rotating cylinder 13 is fixedly connected with a first rotating frame 14, the first rotating frame 14 is fixedly connected with a plurality of mounting shafts 15 which are circumferentially distributed around the rotating cylinder 13, the mounting shafts 15 are fixedly connected with a second rotating frame 16 at the side away from the first rotating frame 14, the second rotating frame 16 is rotatably connected with an output rod 17, the output rod 17 is fixedly connected with an output shaft 23 through the rotating cylinder 13 and the gear box 11, a plurality of first transmission gears 18 are rotatably connected on the mounting shafts 15, the first transmission gears 18 are in mesh with the driving inner ring gears 8 in sequence, a plurality of second transmission gears 19 are fixedly connected on the output rod 17 and are equidistantly distributed, the second transmission gears 18 are in mesh with the first transmission gears 18, a control shaft 21 is rotatably connected in the gear box 11, a control gear 22 is fixedly connected on the control shaft 21 and is arranged in the gear box 11, an adjusting gear 20 is fixedly connected on one end of the rotating cylinder 13 arranged in the gear box 11, and the adjusting gear 20 is in mesh with the control gear 22;

[0034] The gear shifting assembly can drive the control shaft 21 to rotate through the control device, the control shaft 21 drives the control gear 22 to rotate, the control gear 22 drives the rotating cylinder 13 to rotate through the meshing with the adjusting gear 20, the rotating cylinder 13 drives the first rotating frame 14 to rotate, the first rotating frame 14 drives the second rotating frame 16 to rotate around the output rod 17 through the mounting shafts 15, at this time, due to the offset of the axes between the output rod 17 and the reduction gearbox 1, only when one group of the first transmission gears 18 rotates to the closest point between the output rod 17 and the driving inner ring gear 8, the first transmission gear 18 will be embedded between the driving inner ring gear 8 and the second transmission gear 19, so that the first transmission gear 18 between the output rod 17 and the closest point of the driving inner ring gear 8 is in mesh with the driving inner ring gear 8 and the second transmission gear 19, at this time, the distance between the first transmission gears 18 and the driving inner ring gear 8 of the other groups increases, so that the first transmission gears 18 of the other groups are not in mesh with the driving inner ring gear 8, so as to realize the mutual transmission between one group of the driving inner ring gear 8 and one group of the second transmission gear 19;

[0035] When it is needed to adjust the rotation rate of the output rod 17, a plurality of the first transmission gears 18 can be driven by the second rotating frame 16 to rotate around the output rod 17, so as to realize the rotation replacement of the first transmission gear 18 between the output rod 17 and the closest point of the driving inner ring gear 8, so as to realize the transmission connection between the planet carrier 5 and the output rod 17 with different rotation rates;

[0036] At this time, the inner gear ring 8 can be driven to rotate by the planet carrier 5, the inner gear ring 8 drives the first transmission gear 18 to rotate through the mutual engagement with the first transmission gear 18, the first transmission gear 18 drives the output rod 17 to rotate through the mutual engagement with the second transmission gear 19, and the output rod 17 drives the output shaft 23 to rotate.

[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application, therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

[0038] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A vertical planetary motor reduction structure comprising a reduction box, characterized by, The gear box is fixedly connected to the reduction box, the first rotating mounting seat is fixedly connected to the side of the reduction box away from the gear box, the input shaft is rotatably connected to the first rotating mounting seat, and the driving gear is fixedly connected to the end of the input shaft arranged in the reduction box; A plurality of planetary gear reduction assemblies are installed in the reduction box to realize multi-stage reduction through the plurality of planetary gear reduction assemblies; The planetary gear reduction assembly comprises a planet carrier arranged in the reduction box, a plurality of equidistantly distributed limiting grooves are fixedly connected to the inner wall of the reduction box, a fixed inner ring gear is fixedly connected to the limiting groove, a plurality of circumferentially distributed planetary gears are rotatably connected to one side of the planet carrier, the planetary gears are arranged in the limiting grooves, the planetary gears are in mesh with the fixed inner ring gear, a central gear ring is fixedly connected to the other side of the planet carrier, the central gear ring is in mesh with the planetary gears in the planetary gear reduction assembly adjacent to the other group, and a driving inner ring gear is fixedly connected to the inner wall of the central gear ring; The driving gear is in mesh with the inner ring of the planetary gear. The second rotating mounting seat is fixedly connected to the reduction box. The gear box is fixedly connected to the reduction box, the first rotating mounting seat is fixedly connected to the side of the reduction box away from the gear box, the input shaft is rotatably connected to the first rotating mounting seat, and the driving gear is fixedly connected to the end of the input shaft arranged in the reduction box; 2. A vertical planetary motor speed reduction structure according to claim 1, characterized in that, The gear box is fixedly connected to the reduction box, the first rotating mounting seat is fixedly connected to the side of the reduction box away from the gear box, the input shaft is rotatably connected to the first rotating mounting seat, and the driving gear is fixedly connected to the end of the input shaft arranged in the reduction box; 3. A vertical planetary motor speed reduction structure according to claim 1, wherein A plurality of first transmission gears are rotatably connected to the mounting shafts, the plurality of first transmission gears are in mesh with the plurality of driving inner ring gears in sequence, a plurality of equidistantly distributed second transmission gears are fixedly connected to the output rod, and the plurality of second transmission gears are in mesh with the first transmission gears.

4. A vertical planetary motor speed reduction structure according to claim 3, wherein The control shaft is rotatably connected to the gear box, the control gear is fixedly connected to the control shaft and arranged in the gear box, the adjusting gear is fixedly connected to one end of the rotating cylinder arranged in the gear box, and the adjusting gear is in mesh with the control gear.

5. A vertical planetary motor speed reduction structure according to claim 4, wherein ​

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