阅读说明：本技术 一种小型大传动比的行星齿轮减速器 (Small-size planetary gear reducer with large transmission ratio ) 是由 钱伟 张爱琴 王艳 印建兵 于 2020-07-02 设计创作，主要内容包括：本发明公开了一种小型大传动比的行星齿轮减速器,包括底座,所述底座的上表面固定连接有支撑块,所述支撑块的上表面固定连接有内齿圈,所述内齿圈的左侧和内齿圈的右侧分别放置有第一挡座和第二挡座,所述第一挡座的右侧面和第二挡座的左侧面均固定连接有垫片。该小型大传动比的行星齿轮减速器,当减速器需要进行检修时,通过第二螺栓、第二通孔和第二螺纹孔之间的相互配合,方便工作人员对内齿圈与第一挡座和第二挡座的拆分,方便工作人员对内部零部件进行检修,通过第一螺栓、第一通孔和第一螺纹孔之间的相互配合,方便工作人员对从动杆和连接板进行拆解,方便工作人员的维修,提高工作人员的工作效率,减少工作人员的工作量。(The invention discloses a small-sized planetary gear reducer with a large transmission ratio, which comprises a base, wherein a supporting block is fixedly connected to the upper surface of the base, an inner gear ring is fixedly connected to the upper surface of the supporting block, a first blocking seat and a second blocking seat are respectively arranged on the left side of the inner gear ring and the right side of the inner gear ring, and gaskets are fixedly connected to the right side surface of the first blocking seat and the left side surface of the second blocking seat. This small-size planetary gear reducer of big drive ratio, when the reduction gear need overhaul, through the second bolt, mutually support between second through-hole and the second screw hole, make things convenient for the staff to keep off the split that seat and second kept off the seat with first, make things convenient for the staff to overhaul inside spare part, through first bolt, mutually support between first through-hole and the first screw hole, make things convenient for the staff to disassemble driven lever and connecting plate, make things convenient for staff's maintenance, improve staff's work efficiency, reduce staff's work load.)

1. The utility model provides a small-size big drive ratio's planetary gear reducer, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a supporting block (20), the upper surface of the supporting block (20) is fixedly connected with an inner gear ring (12), the left side of the inner gear ring (12) and the right side of the inner gear ring (12) are respectively provided with a first baffle seat (16) and a second baffle seat (14), the right side surface of the first baffle seat (16) and the left side surface of the second baffle seat (14) are both fixedly connected with gaskets (6), and the left side surface of the first baffle seat (16) and the right side surface of the second baffle seat (14) are both fixedly embedded with first bearings (9);

a driving shaft (7) and a driven shaft (18) are placed inside the inner gear ring (12), the outer surface of the driving shaft (7) and the outer surface of the driven shaft (18) are respectively and fixedly connected with the inner rings of the two first bearings (9), a driving gear (10) is fixedly connected with the outer surface of the driving shaft (7), driven gears (2) are arranged inside the inner gear ring (12), the outer surfaces of the three driven gears (2) are respectively meshed with the outer surfaces of the driving gears (10), the inner ring of each driven gear (2) is fixedly connected with a second bearing (21), the left end of the driven shaft (18) is fixedly connected with a connecting plate (13), three first through holes (31) are formed in the left side surface of the connecting plate (13), three driven rods (5) are placed inside the inner gear ring (12), and the outer surfaces of the three driven rods (5) are respectively and fixedly connected with the inner rings of the three second bearings, the right end of each driven rod (5) is provided with a first threaded hole (27), the inner ring of each first through hole (31) is connected with a first bolt (26) in a clamped mode, the outer surface of each first bolt (26) is in threaded connection with the inner ring of each first threaded hole (27), the left side face of each first baffle seat (16) and the right side face of each second baffle seat (14) are provided with two symmetrical second through holes (25), the left side face of each inner gear ring (12) and the right side face of each inner gear ring (12) are provided with two symmetrical second threaded holes (28), each inner ring of each second through hole (25) is connected with a second bolt (15) in a clamped mode, and the outer surface of each second bolt (15) is in threaded connection with the inner ring of each second threaded hole (28).

2. A compact high ratio planetary gear reducer as set forth in claim 1 in which: symmetrical hooks (11) are placed above the inner gear ring (12), the bottom surfaces of the two hooks (11) are fixedly connected with the outer surface of the inner gear ring (12) respectively, each hook (11) is in an arch shape, cooling fins (23) are placed above the inner gear ring (12), and the bottom surface of each cooling fin (23) is fixedly connected with the outer surface of the inner gear ring (12).

3. A compact high ratio planetary gear reducer as set forth in claim 1 in which: symmetrical reinforcing blocks (24) are placed above the base (1), the bottom surfaces of the two reinforcing blocks (24) are fixedly connected with the outer surface of the base (1) respectively, and one side surface, close to each other, of the two reinforcing blocks (24) is fixedly connected with the left side surface of the supporting block (20) and the right side surface of the supporting block (20) respectively.

4. A compact high ratio planetary gear reducer as set forth in claim 1 in which: two symmetrical third threaded holes (3) are formed in the upper surface of the base (1), two symmetrical third bolts (4) are placed above the base (1), inner rings of the third bolts (4) are in threaded connection with inner rings of the third threaded holes (3), and each inner ring of each third threaded hole (3) is in contact with the outer surface of each third bolt (4).

5. A compact high ratio planetary gear reducer as set forth in claim 1 in which: first draw-in groove (8) have been seted up to the surface of driving shaft (7), the degree of depth of first draw-in groove (8) is four millimeters at least, and the left end of first draw-in groove (8) and the right-hand member of first draw-in groove (8) all are circularly, second draw-in groove (19) have been seted up to the surface of driven shaft (18), the degree of depth of second draw-in groove (19) is four millimeters at least, and the left end of second draw-in groove (19) and the right-hand member of second draw-in groove (19) all are circularly.

6. A compact high ratio planetary gear reducer as set forth in claim 1 in which: defeated oil pipe (29) have been placed in the left side of first fender seat (16), the right-hand member of defeated oil pipe (29) and the fixed intercommunication of the right flank of first fender seat (16), oil plug (22) have been placed to the left end of defeated oil pipe (29), the surface of oil plug (22) and the inner wall looks joint of defeated oil pipe (29), the left end of oil plug (22) is circular.

7. A compact high ratio planetary gear reducer as set forth in claim 1 in which: the second keeps off the left side of seat (14) and has placed a fender section of thick bamboo (17), the right-hand member that keeps off a section of thick bamboo (17) keeps off the left surface fixed connection of seat (14) with the second, the right flank fixedly connected with of connecting plate (13) keeps off ring (32), spacing groove (30) have been seted up to the right flank that keeps off ring (32), the inside wall of spacing groove (30) and the surface looks joint that keeps off a section of thick bamboo (17).

Technical Field

The invention belongs to the technical field of planetary gear reducers, and particularly relates to a small planetary gear reducer with a large transmission ratio.

Background

The planetary gear reducer is widely applied to transmission systems such as servo motors, stepping motors, direct current motors and the like by virtue of the advantages of small volume, high transmission efficiency, wide reduction range, high precision and the like in a reducer family, and mainly used for reducing the rotating speed, increasing the torque and reducing the rotational inertia ratio of a load/a motor on the premise of ensuring the precision transmission, the planetary gear reducer mainly has a transmission structure of a planet wheel, a sun wheel, an inner gear ring and a planet carrier, the planetary gear reducer is more and more widely applied in the current life, the traditional solution aims at the abrasion problem of repair welding or machining and repairing after brush plating, but both have certain defects, the damaged parts cannot be rapidly replaced, and the working efficiency of workers is reduced, the workload is increased, so in order to solve the problems, a small planetary gear reducer with a large transmission ratio is provided.

Disclosure of Invention

The invention provides a method for replacing a planetary gear reducer, aiming at solving the problems that in the existing life, the application of the planetary gear reducer is more and more extensive, and the abrasion problem is solved.

The invention is realized in such a way that a small-sized planetary gear reducer with a large transmission ratio comprises a base, wherein a supporting block is fixedly connected to the upper surface of the base, an inner gear ring is fixedly connected to the upper surface of the supporting block, a first blocking seat and a second blocking seat are respectively arranged on the left side of the inner gear ring and the right side of the inner gear ring, gaskets are fixedly connected to the right side surface of the first blocking seat and the left side surface of the second blocking seat, and a first bearing is fixedly embedded in the left side surface of the first blocking seat and the right side surface of the second blocking seat.

A driving shaft and a driven shaft are arranged inside the inner gear ring, the outer surface of the driving shaft and the outer surface of the driven shaft are respectively and fixedly connected with the inner rings of the two first bearings, the outer surface of the driving shaft is fixedly connected with a driving gear, the inner surface of the inner gear ring is provided with a driven gear, the outer surfaces of the three driven gears are respectively meshed with the outer surfaces of the driving gear, the inner ring of each driven gear is fixedly connected with a second bearing, the left end of the driven shaft is fixedly connected with a connecting plate, the left side surface of the connecting plate is provided with three first through holes, three driven rods are arranged inside the inner gear ring, the outer surfaces of the three driven rods are respectively and fixedly connected with the inner rings of the three second bearings, the right end of each driven rod is provided with a first threaded hole, and, the outer surface of the first bolt is in threaded connection with the inner ring of the first threaded hole, the left side surface of the first blocking seat and the right side surface of the second blocking seat are both provided with two symmetrical second through holes, the left side surface of the inner gear ring and the right side surface of the inner gear ring are both provided with two symmetrical second threaded holes, the inner ring of each second through hole is clamped with a second bolt, and the outer surface of the second bolt is in threaded connection with the inner ring of each second threaded hole.

Furthermore, symmetrical shackles are placed above the inner gear ring, the bottom surfaces of the two shackles are fixedly connected with the outer surface of the inner gear ring respectively, each shackle is in an arch shape, cooling fins are placed above the inner gear ring, and the bottom surface of each cooling fin is fixedly connected with the outer surface of the inner gear ring.

Furthermore, symmetrical reinforcing blocks are placed above the base, the bottom surfaces of the two reinforcing blocks are fixedly connected with the outer surface of the base respectively, and one side surface, close to each other, of the two reinforcing blocks is fixedly connected with the left side surface of the supporting block and the right side surface of the supporting block respectively.

Furthermore, two symmetrical third threaded holes are formed in the upper surface of the base, two symmetrical third bolts are placed above the base, inner rings of the third bolts are in threaded connection with inner rings of the third threaded holes, and each inner ring of each third threaded hole is in contact with the outer surface of each third bolt.

Further, first draw-in groove has been seted up to the surface of driving shaft, the degree of depth of first draw-in groove is four millimeters at least, and the left end of first draw-in groove and the right-hand member of first draw-in groove all are circularly, the second draw-in groove has been seted up to the surface of driven shaft, the degree of depth of second draw-in groove is four millimeters at least, and the left end of second draw-in groove and the right-hand member of second draw-in groove all are circularly.

Further, defeated oil pipe has been placed in the left side of first fender seat, the right-hand member of defeated oil pipe and the fixed intercommunication of right flank of first fender seat, the oil plug has been placed to the left end of defeated oil pipe, the surface of oil plug and the inner wall looks joint of defeated oil pipe, the left end of oil plug is circular.

Further, a fender section of thick bamboo has been placed in the left side that the second kept off the seat, the right-hand member that keeps off a section of thick bamboo keeps off the left surface fixed connection of seat with the second, the right side fixedly connected with of connecting plate keeps off the ring, the spacing groove has been seted up to the right flank that keeps off the ring, the inside wall of spacing groove and the surface looks joint that keeps off a section of thick bamboo.

Compared with the prior art, the invention has the beneficial effects that: when the speed reducer needs to be overhauled, through the second bolt, the second through hole is mutually matched with the second threaded hole, the internal gear ring, the first baffle seat and the second baffle seat are conveniently disassembled by workers, the internal parts are conveniently overhauled by the workers, through the first bolt, the first through hole is mutually matched with the first threaded hole, the driven rod and the connecting plate are conveniently disassembled by the workers, the maintenance of the workers is facilitated, the working efficiency of the workers is improved, the workload of the workers is reduced, the speed reducer can be fixed through the mutual matching of the base and the supporting block, the stability of the speed reducer is improved, the speed reducer can work more smoothly, the driven gear is connected with the driven gear through the connecting plate and the bolt, the driven gear can be driven, the operation is more stable, certain help is provided for the improvement of the product quality of the speed reducer, and the speed reducer can be maintained by the baffle cylinder, The mutual cooperation between fender ring and the spacing groove makes the meshing between driving gear and the driven gear more stable steady, prevents that the connecting plate from rocking about going on, has improved the work efficiency of reduction gear.

Drawings

Fig. 1 is a sectional view of a front view of an inner ring gear of the present invention;

fig. 2 is a front view of the ring gear of the present invention;

fig. 3 is a sectional view of a left side view of the ring gear of the present invention;

fig. 4 is a sectional view of a right side view of the ring gear of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a base; 2. a driven gear; 3. a third threaded hole; 4. a third bolt; 5. a driven lever; 6. a gasket; 7. a drive shaft; 8. a first card slot; 9. a first bearing; 10. a driving gear; 11. a shackle; 12. an inner gear ring; 13. a connecting plate; 14. a second stopper seat; 15. a second bolt; 16. a first stopper seat; 17. a blocking cylinder; 18. a driven shaft; 19. a second card slot; 20. a support block; 21. a second bearing; 22. an oil plug; 23. a heat sink; 24. a reinforcing block; 25. a second through hole; 26. a first bolt; 27. a first threaded hole; 28. a second threaded hole; 29. an oil delivery pipe; 30. a limiting groove; 31. a first through hole; 32. and (4) a baffle ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-6, a small planetary gear reducer with a large transmission ratio comprises a base 1, wherein a supporting block 20 is fixedly connected to the upper surface of the base 1, an inner gear ring 12 is fixedly connected to the upper surface of the supporting block 20, a first blocking seat 16 and a second blocking seat 14 are respectively arranged on the left side of the inner gear ring 12 and the right side of the inner gear ring 12, gaskets 6 are fixedly connected to the right side of the first blocking seat 16 and the left side of the second blocking seat 14, and first bearings 9 are fixedly embedded in the left side of the first blocking seat 16 and the right side of the second blocking seat 14.

A driving shaft 7 and a driven shaft 18 are arranged inside an inner gear ring 12, the outer surface of the driving shaft 7 and the outer surface of the driven shaft 18 are respectively and fixedly connected with the inner rings of two first bearings 9, a driving gear 10 is fixedly connected with the outer surface of the driving shaft 7, driven gears 2 are arranged inside the inner gear ring 12, the outer surfaces of the three driven gears 2 are respectively meshed with the outer surface of the driving gear 10, a second bearing 21 is fixedly connected with the inner ring of each driven gear 2, a connecting plate 13 is fixedly connected with the left end of the driven shaft 18, three first through holes 31 are formed in the left side surface of the connecting plate 13, three driven rods 5 are arranged inside the inner gear ring 12, the outer surfaces of the three driven rods 5 are respectively and fixedly connected with the inner rings of the three second bearings 21, a first threaded hole 27 is formed in the right end of each driven, and the outer surface of the first bolt 26 is in threaded connection with the inner ring of the first threaded hole 27, the left side surface of the first baffle seat 16 and the right side surface of the second baffle seat 14 are both provided with two symmetrical second through holes 25, the left side surface of the inner gear ring 12 and the right side surface of the inner gear ring 12 are both provided with two symmetrical second threaded holes 28, the inner ring of each second through hole 25 is in clamping connection with the second bolt 15, and the outer surface of the second bolt 15 is in threaded connection with the inner ring of the second threaded hole 28.

According to the invention, symmetrical shackles 11 are placed above the inner gear ring 12, the bottom surfaces of the two shackles 11 are respectively fixedly connected with the outer surface of the inner gear ring 12, each shackle 11 is in an arch shape, cooling fins 23 are placed above the inner gear ring 12, the bottom surface of each cooling fin 23 is fixedly connected with the outer surface of the inner gear ring 12, the speed reducer can be moved through the shackles 11, convenience is provided for workers to move the speed reducer, the speed reducer can dissipate heat through the cooling fins 23, and damage to internal parts due to overhigh heat is prevented.

According to the invention, symmetrical reinforcing blocks 24 are arranged above the base 1, the bottom surfaces of the two reinforcing blocks 24 are respectively and fixedly connected with the outer surface of the base 1, one side surface of the two reinforcing blocks 24 close to each other is respectively and fixedly connected with the left side surface of the supporting block 20 and the right side surface of the supporting block 20, and the speed reducer can be firmer and more stable in operation through the reinforcing blocks 24.

According to the invention, two symmetrical third threaded holes 3 are formed in the upper surface of the base 1, two symmetrical third bolts 4 are placed above the base 1, inner rings of the third bolts 4 are in threaded connection with inner rings of the third threaded holes 3, the inner ring of each third threaded hole 3 is in contact with the outer surface of each third bolt 4, and the speed reducer can be fixed with the ground through mutual matching of the third bolts 4 and the third threaded holes 3, so that the speed reducer is firmer and vibration generated by the speed reducer is avoided.

In the invention, the outer surface of the driving shaft 7 is provided with a first clamping groove 8, the depth of the first clamping groove 8 is at least four millimeters, the left end of the first clamping groove 8 and the right end of the first clamping groove 8 are both circular, the outer surface of the driven shaft 18 is provided with a second clamping groove 19, the depth of the second clamping groove 19 is at least four millimeters, the left end of the second clamping groove 19 and the right end of the second clamping groove 19 are both circular, a worker can conveniently connect a transmission source and a device needing to be decelerated through the first clamping groove 8 and the second clamping groove 19, certain working efficiency is improved,

in the invention, the oil delivery pipe 29 is placed on the left side of the first baffle seat 16, the right end of the oil delivery pipe 29 is fixedly communicated with the right side surface of the first baffle seat 16, the oil plug 22 is placed at the left end of the oil delivery pipe 29, the outer surface of the oil plug 22 is clamped with the inner wall of the oil delivery pipe 29, the left end of the oil plug 22 is circular, lubricating oil can be delivered to the internal gear of the speed reducer through the oil delivery pipe 29, so that the speed reducer can be fully lubricated, the working efficiency of the speed reducer is improved, and the lubricating oil is prevented from flowing outwards through the oil plug 22.

According to the invention, the blocking cylinder 17 is placed on the left side of the second blocking seat 14, the right end of the blocking cylinder 17 is fixedly connected with the left side face of the second blocking seat 14, the blocking ring 32 is fixedly connected with the right side face of the connecting plate 13, the limiting groove 30 is formed in the right side face of the blocking ring 32, the inner side wall of the limiting groove 30 is clamped with the outer surface of the blocking cylinder 17, and the connecting plate 13 can be fixed and prevented from sliding in the inner gear ring 12 through the mutual matching of the blocking cylinder 17, the limiting groove 30 and the blocking ring 32.

The working principle of the invention is as follows: when in use, the power source is connected with the first clamping groove 8, the driving shaft 7 is driven to rotate by the power of the power source, the driving gear 10 is driven to rotate by the rotation of the driving shaft 7, thereby driving the driven gear 2 to rotate, driving the connecting plate 13 to rotate by the rotation of the driven gear 2, driving the driven shaft 18 to rotate by the rotation of the connecting plate 13, the reduction of the power source speed is achieved by the mutual cooperation of the driving gear 10 and the driven gear 2, when the accelerator is damaged, the first baffle seat 16 and the second baffle seat 14 can be detached by the mutual matching among the second bolt 15, the second through hole 25 and the second threaded hole 28, the internal parts are replaced and maintained, and the connecting plate 13 and the driven rod 5 can be detached and replaced through mutual matching among the first bolt 26, the first threaded hole 27 and the first through hole 31.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.