CN216279211U

CN216279211U - Output shaft reinforced multidirectional output speed reducer

Info

Publication number: CN216279211U
Application number: CN202122940023.9U
Authority: CN
Inventors: 屠科慧; 范利冰
Original assignee: Zhejiang Beto Transmission Technology Co ltd
Current assignee: Zhejiang Beto Transmission Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-12
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an output shaft reinforced multidirectional output speed reducer, relates to a speed reducer, and aims to solve the problem that when only one end is connected with a torque force demand unit, a certain potential safety hazard exists at the other exposed end, and the technical scheme is as follows: the utility model provides an output shaft strenghthened type multidirectional output speed reducer, including input mechanism, planetary mechanism and output mechanism, output mechanism includes the rectangle casing to and the output shaft, the rectangle casing is provided with two and rotates coupling assembling, the output shaft both ends are fixed with two rotation coupling assembling respectively, it includes flange outer loop, interior neck ring to rotate coupling assembling, removable the installing of neck ring has the housing, the output shaft both ends are run through and have been seted up connect the via hole, the housing cover is located outside the output shaft tip. According to the output shaft reinforced multidirectional output speed reducer, when output is performed only at one end, the other end can be provided with the housing for sealing the output shaft, so that potential safety hazards caused by the fact that the output shaft is exposed are effectively eliminated.

Description

Output shaft reinforced multidirectional output speed reducer

Technical Field

The utility model relates to a speed reducer, in particular to an output shaft reinforced multidirectional output speed reducer.

Background

The multi-directional output speed reducer is a heterogeneous speed reducer having two or more output directions at the same time.

As shown in fig. 4, the multi-directional output reducer in the prior art is characterized in that: the planetary gear train comprises an input mechanism, a primary planetary mechanism, a secondary planetary mechanism and an output mechanism; the output mechanism comprises a rectangular shell 41 and an output shaft 42, two ends of the output shaft horizontally penetrate through the rectangular shell 41 and are rotatably connected with the rectangular shell, a connecting window 43 for the adapter output shaft 33 to extend into is formed in the lower end face of the rectangular shell 41 in a penetrating mode, the adapter output shaft 33 is provided with a driving bevel gear 34, and the output shaft 42 is provided with a driven bevel gear 35 meshed with the driving bevel gear 34.

In practical application of the technical scheme, the output shaft 42 is stretched out of the rectangular shell 41 at two ends, so that when only one end is connected with a torque demand unit, certain potential safety hazards exist at the other exposed end; therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an output shaft reinforced multidirectional output speed reducer, when output is performed at only one end, a housing can be arranged at the other end to seal the output shaft, and the potential safety hazard caused by the fact that the output shaft is exposed is effectively eliminated.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides an output shaft strenghthened type multidirectional output speed reducer, includes input mechanism, planetary mechanism and output mechanism, output mechanism includes the rectangle casing to and rotate the output shaft of connecting in the rectangle casing, the rectangle casing is provided with two and rotates coupling assembling, the output shaft both ends are fixed with two rotation coupling assembling respectively, it includes gomphosis and bolt reinforcement in the flange outer loop of rectangle casing, the neck ring that the gomphosis is fixed in the flange outer loop, neck ring removable the installation has the housing, the output shaft both ends are run through and have been seted up connect the through hole, the housing cover is located outside the output shaft tip.

By adopting the technical scheme, the torque force of the motor is input through the input mechanism, the input torque force is converted through the rotating speed ratio of the planetary mechanism and then is transmitted to the output mechanism, and the output mechanism finally outputs the torque force; this application output shaft adopts the hollow structure that both ends run through, thereby can adopt the mode of pegging graft to be connected with torsion demand portion, compare in solid core shaft, avoid must the tip to have great amount of stretching out, the problem of being connected can be carried out with torsion demand portion, under this basic condition, adopt to rotate coupling assembling and realize being connected of output shaft and rectangle casing, and set up the interior bushing ring and provide one and install the position additional, thereby when only needing one end output, can be used for sealing the output shaft at the other end installation housing, effectively eliminate because of the output shaft exposes the potential safety hazard that exists.

The utility model is further configured to: the oil filler point has been seted up to rectangle casing top surface, the oil filler point can be dismantled the grafting and have the oil hole stopper.

The utility model is further configured to: the flange outer loop is provided with the embedding ring, the embedding ring is provided with the sealing ring groove, sealing ring groove gomphosis is fixed with the sealing rubber ring.

The utility model is further configured to: the rotary connecting assembly further comprises a rolling cone bearing, an outer ring of the rolling cone bearing is in interference fit with an outer ring of the flange, and an inner ring of the rolling cone bearing is in interference socket joint with the output shaft.

The utility model is further configured to: the outer circumferential surface of the output shaft is provided with a butt joint platform which is in butt joint with the end surface of the inner ring at one end of the rolling cone bearing, and the lining ring is in butt joint with the end surface of the outer ring at the other end of the rolling cone bearing.

The utility model is further configured to: and a sealing oil ring is arranged between the inner lining ring and the output shaft and comprises a clamping ring part which is embedded in the inner lining ring in an interference manner and an oil containing cavity part which is rotatably sleeved on the output shaft.

The utility model is further configured to: the housing is provided with a joint ring plate which is jointed on the outer end surface of the lining ring, and a plurality of additional bolts penetrate through the joint ring plate and extend into the lining ring in a threaded fit mode.

The utility model is further configured to: and the hole wall of the connecting through hole is provided with a key groove in a penetrating manner along the length direction.

In conclusion, the utility model has the following beneficial effects: the output shaft is connected with the rectangular shell by adopting the rotary connecting assembly, and the lining ring is arranged to provide an additional part, so that when only one end of the output shaft is needed to output, a housing can be arranged at the other end of the output shaft for sealing the output shaft, and the potential safety hazard caused by the exposure of the output shaft is effectively eliminated; after the oil hole plug is detached, lubricating oil can be directly injected through the top surface of the oil hole plug; the sealing rubber ring is used for filling a gap between the flange outer ring and the rectangular shell, so that the connection sealing performance of the flange outer ring and the rectangular shell is improved; the rotating connecting assembly realizes the technical requirement of rotatably connecting the output shaft and the rectangular shell through the rolling cone bearing; the rolling cone bearing is clamped by matching the inner lining ring and the abutting table, so that the relative motion degree of the output shaft and the rectangular shell along the axis direction is eliminated, and the rotational connection stability is further improved; on the premise of not influencing the rotation capacity of the output shaft, the sealing performance between the rotary connecting assembly and the output shaft is realized through the sealing oil ring; the detachable connection between the housing and the lining ring is realized by utilizing the additional bolt, so that the convenience of disassembly and assembly is effectively improved; the inserting strength of the torsion required part and the connecting through hole is improved through the key groove.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a cross-sectional view of the present application;

FIG. 3 is an exploded view of the output mechanism of the present application;

fig. 4 is a partial cross-sectional view of the prior art.

Description of the drawings: 11. an input housing; 12. an input shaft; 13. a sun gear; 14. assembling a seat; 15. a jacket assembly; 21. a planetary housing; 22. a planet carrier; 23. an inner gear ring; 24. a planetary gear; 25. a driving bevel gear; 26. a driven bevel gear; 33. the output shaft is connected in a switching way; 34. a drive bevel gear; 35. a driven bevel gear; 41. a rectangular housing; 42. an output shaft; 43. connecting the window; 46. a flange outer ring; 47. an inner liner ring; 48. a housing; 49. a connecting through hole; 50. an oil filler hole; 51. an oil hole plug; 52. an insert ring; 53. sealing the ring groove; 54. sealing the rubber ring; 55. a rolling cone bearing; 56. a butting table; 57. a sealing oil ring; 58. a clamping ring part; 59. an oil containing chamber section; 60. fitting a ring plate; 61. installing a bolt; 62. a keyway.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An output shaft enhanced type multi-directional output speed reducer, as shown in fig. 1 and 2, comprises an input mechanism, a planetary mechanism and an output mechanism; the torque force of the motor is input through the input mechanism, the input torque force is converted through the rotating speed ratio of the planetary mechanism, then is transmitted to the output mechanism, and finally is output through the output mechanism.

This application carries out following improvement to output mechanism to prior art's defect, as shown in fig. 1, fig. 2, output mechanism includes rectangular housing 41, and rotate the output shaft 42 of connecting in rectangular housing 41, rectangular housing 41 is provided with two and rotates coupling assembling, the output shaft 42 both ends are fixed with two rotation coupling assembling respectively, it includes gomphosis and bolt reinforcement in rectangular housing 41's flange outer loop 46 to rotate coupling assembling, the gomphosis is fixed in flange outer loop 46's interior neck ring 47, interior neck ring 47 demountable installation has housing 48, connecting hole 49 has been seted up in the run-through of output shaft 42 both ends, housing 48 covers and is established outside output shaft 42 tip.

This application output shaft 42 sets up connect the via hole 49, form the hollow structure that both ends run through, thereby can adopt the mode of pegging graft to be connected with torsion demand portion, compare in the solid axle among the prior art, avoid must the tip to have great amount of stretching out, can carry out the problem of being connected with torsion demand portion, under this basic condition, adopt to rotate coupling assembling and realize being connected of output shaft 42 and rectangular housing 41, and set up interior bushing ring 47 and provide one and install the position additional, thereby when only needing one end output, can be used for sealing output shaft 42 at other end installation housing 48, effectively eliminate because of the potential safety hazard that output shaft 42 exposes and exists.

The input mechanism has a specific structure as follows, as shown in fig. 2, the input mechanism comprises an input casing 11, an input shaft 12 which is rotatably connected to the input casing 11 through a bearing, and a sun gear 13 which is fixed on the input shaft 12, wherein an assembly seat 14 is arranged at one end of the input casing 11, which is far away from the sun gear 13, and a jacket assembly 15 is arranged at one end of the input shaft 12, which is far away from the sun gear 13; in specific application, the motor housing is fixedly mounted on the assembly base 14, and the output shaft of the motor and the jacket assembly 15 complete coaxial fixation, so that the motor directly drives the input shaft 12 to rotate synchronously.

The planetary mechanism has a specific structure as follows, as shown in fig. 2, the planetary mechanism comprises a planetary case 21 fixedly mounted at the top end of the input case 11, and a planet carrier 22 rotatably connected to the planetary case 21 through a bearing, wherein an inner gear ring 23 is arranged on the inner surface of the planetary case 21, the planet carrier 22 is rotatably connected with three planetary gears 24, and the three planetary gears 24 are simultaneously meshed with the sun gear 13 and the inner gear ring 23; in specific operation, the sun gear 13 drives the three planet gears 24 to rotate through meshing force, the three planet gears 24 are matched with the inner gear ring 23 in the rotating process, torsion is generated to drive the planet carrier 22 to rotate, and therefore the planet carrier 22 outputs the torsion after the rotation speed ratio conversion is completed.

As shown in fig. 2, the planetary housing 21 is fixedly mounted on the bottom surface of the rectangular housing 41, the top end of the planetary carrier 22 extends into the rectangular housing 41 and is fixedly sleeved with the driving bevel gear 25, and the output shaft 42 is fixedly sleeved with the driven bevel gear 26 engaged with the driving bevel gear 25; in operation, the rotating planet carrier 22 drives the output shaft 42 to rotate through the cooperation between the driving bevel gear 25 and the driven bevel gear 26, so that two torques in the vertical direction are transmitted.

For the convenience of adding lubricating oil in the present application, as shown in fig. 2 and 3, an oil hole 50 is formed in the top surface of the rectangular housing 41, and an oil hole plug 51 is detachably inserted into the oil hole 50, so that after the oil hole plug 51 is detached, lubricating oil can be directly injected through the top surface of the present application.

In order to improve the connection sealing performance between the flange outer ring 46 and the rectangular housing 41, as shown in fig. 2, an insert ring 52 is formed on the flange outer ring 46 by machining, a sealing ring groove 53 is formed in the insert ring 52, and a sealing rubber ring 54 is fixed to the sealing ring groove 53 in an embedded manner, so that a gap between the flange outer ring 46 and the rectangular housing 41 is filled with the sealing rubber ring 54, and the connection sealing performance between the flange outer ring 46 and the rectangular housing 41 is further improved.

As shown in fig. 2 and 3, the rotating connection assembly further includes a rolling cone bearing 55, an outer ring of the rolling cone bearing 55 is in interference fit with the flange outer ring 46, and an inner ring of the rolling cone bearing 55 is in interference fit with the output shaft 42, so that the rotating connection assembly achieves the technical requirement of rotatably connecting the output shaft 42 and the rectangular housing 41 through the rolling cone bearing 55.

As shown in fig. 2, an abutting table 56 is formed at one end of the outer circumferential surface of the output shaft 42, the abutting table 56 is formed at the other end by the driven bevel gear 26, the abutting table 56 abuts against the inner ring end face at one end of the rolling cone bearing 55, and the lining ring 47 abuts against the outer ring end face at the other end of the rolling cone bearing 55, so that the lining ring 47 and the abutting table 56 cooperate to clamp the rolling cone bearing 55, the relative movement of the output shaft 42 and the rectangular housing 41 in the axial direction is eliminated, and the rotational connection stability is improved.

In order to improve the sealing performance between the rotating connection assembly and the output shaft 42, as shown in fig. 2 and 3, a sealing oil ring 57 is disposed between the inner lining ring 47 and the output shaft 42, and the sealing oil ring 57 includes a snap ring portion 58 that is interferingly fitted with the inner lining ring 47, and an oil receiving chamber portion 59 that is rotatably sleeved on the output shaft 42, so that the sealing performance between the rotating connection assembly and the output shaft 42 is realized by the sealing oil ring 57 without affecting the rotating capability of the output shaft 42.

The housing 48 is detachably mounted on the inner liner ring 47 in the following manner, as shown in fig. 2 and 3, the housing 48 is formed by machining a joint ring plate 60 to be jointed to the outer end face of the inner liner ring 47, and a plurality of mounting bolts 61 penetrate through the joint ring plate 60 and extend into the inner liner ring 47 in a threaded fit manner, so that the housing 48 and the inner liner ring 47 can be detachably connected by the mounting bolts 61, and the convenience in dismounting is effectively improved.

As shown in fig. 3, a key groove 62 is formed through the hole wall of the connection through hole 49 in the longitudinal direction, so that the insertion strength between the torque required portion and the connection through hole 49 is increased by the key groove 62.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an output shaft strenghthened type multidirectional output speed reducer, includes input mechanism, planetary mechanism and output mechanism, output mechanism includes rectangular housing (41) to and rotate output shaft (42) of connecting in rectangular housing (41), its characterized in that: rectangle casing (41) are provided with two and rotate coupling assembling, output shaft (42) both ends are fixed with two rotation coupling assembling respectively, it includes gomphosis and bolt reinforcement in flange outer ring (46), the gomphosis of rectangle casing (41) is fixed in interior neck ring (47) of flange outer ring (46) to rotate coupling assembling, removable cover (48) of installing of interior neck ring (47), connecting hole (49) have been seted up in output shaft (42) both ends run through, cover (48) cover is located outside output shaft (42) tip.

2. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: an oil filling hole (50) is formed in the top surface of the rectangular shell (41), and an oil hole plug (51) is detachably inserted into the oil filling hole (50).

3. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: the flange outer ring (46) is provided with an embedding ring (52), the embedding ring (52) is provided with a sealing ring groove (53), and a sealing rubber ring (54) is embedded and fixed on the sealing ring groove (53).

4. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: the rotary connecting assembly further comprises a rolling cone bearing (55), the outer ring of the rolling cone bearing (55) is in interference fit with the outer flange ring (46), and the inner ring of the rolling cone bearing is in interference socket joint with the output shaft (42).

5. The output shaft enhanced multidirectional output speed reducer according to claim 4, wherein: the outer circumferential surface of the output shaft (42) is provided with a butt joint table (56), the butt joint table (56) is in butt joint with the inner ring end face of one end of the rolling cone bearing (55), and the lining ring (47) is in butt joint with the outer ring end face of the other end of the rolling cone bearing (55).

6. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: a sealing oil ring (57) is arranged between the inner lining ring (47) and the output shaft (42), and the sealing oil ring (57) comprises a clamping ring part (58) which is embedded in the inner lining ring (47) in an interference fit mode and an oil containing cavity part (59) which is sleeved on the output shaft (42) in a rotating mode.

7. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: the housing (48) is provided with a joint ring plate (60) which is jointed on the outer end surface of the lining ring (47), and a plurality of additional bolts (61) penetrate through the joint ring plate (60) and extend into the lining ring (47) in a threaded fit mode.

8. The output shaft enhanced multidirectional output speed reducer according to claim 1, wherein: the hole wall of the connecting through hole (49) is provided with a key groove (62) in a penetrating mode along the length direction.