CN114607752A

CN114607752A - Planetary gear motor capable of preventing collision, overload and clutch

Info

Publication number: CN114607752A
Application number: CN202210293065.4A
Authority: CN
Inventors: 钟文
Original assignee: DONGGUAN SILENT INDUSTRIAL CO LTD
Current assignee: DONGGUAN SILENT INDUSTRIAL CO LTD
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-10

Abstract

The invention discloses an anti-collision and anti-overload clutchable planetary gear motor which comprises a reduction gearbox motor main body, wherein a motor gear is mounted on the outer surface of the front end of the reduction gearbox motor main body, an anti-overload planet carrier is arranged on the outer surface of the front end of the reduction gearbox motor main body, anti-overload sun teeth are arranged on the front end inner variable surface of the anti-overload planet carrier, and a first gear shaft is arranged on the inner surface of the rear end of the anti-overload planet carrier. This but crashproof overload prevention separable and close planet gear motor, sun gear planet carrier structure through constituting the new design, the optimization is sun gear and the split type separation and reunion structure of skidding of first planet carrier, the structure after the optimization can appear skidding after bearing certain moment of torsion when big moment overload uses and the antiport output shaft sun gear and planet carrier, can prevent that the inside disconnected tooth bad phenomenon that appears of gear box, the bad phenomenon of burning out appears in the protection motor simultaneously, the problem of the disconnected tooth of gear box motor and motor burning out has been solved through the structure of mechanical separation and reunion like this.

Description

Planetary gear motor capable of preventing collision, overload and clutch

Technical Field

The invention relates to the technical field of planetary speed reducers, in particular to an anti-collision and anti-overload clutchable planetary speed reducer motor.

Background

The planetary reducer is an industrial product with wide application, which can reduce the rotation speed of the motor and increase the output torque, the planetary reducer can be used as a matching component for the industries of lifting, digging, transportation, construction, etc., the planetary reducer is tightly combined on the gear box shell by an inner gear ring, the center of the ring gear is provided with a sun gear driven by external power, a group of planetary gear sets composed of three gears on a tray in equal parts is arranged between the two, the group of planetary gears float in the period of being supported by the output shaft, the inner gear ring and the sun gear; when the power of the input side drives the sun gear, the planetary reducer can drive the planetary gear to rotate and revolve along the track of the inner gear ring along the center, the rotation of the planetary gear drives the output shaft connected with the tray to output power, and the anti-collision and anti-overload clutchable planetary reducer motor is mainly used in the fields of spiral window openers, electric linear push rods, sweeping robots, smart homes, process automation and the like, so the planetary reducer is widely applied.

When current planetary gear motor is using, gear box motor on the market at present, the customer often can have the possibility of overload use in the installation use, if moment is too big when transshipping, surpass the gear box and allow the use moment of torsion, will cause the phenomenon that gear breakage probably appears in the inside gear of gear box, cause the gear box inefficacy, motor overload current is too big when simultaneously overloading the use, overload the use for a long time and can lead to the motor to burn out, cause gear box motor inefficacy, planetary gear motor is in the in-process of using, sometimes the customer can follow the output shaft end antiport output shaft of gear box, the contra rotation moment of torsion is big when the progression is many and the reduction ratio is big, also can cause gear breakage phenomenon to appear in the inside gear of gear box, based on the above-mentioned problem, for this, but a crashproof overload prevention clutchable planetary gear motor that can break and reunion has been proposed.

Disclosure of Invention

In view of the above problems, the present invention provides a separable planetary reduction motor capable of preventing collision and overload to improve the above problems.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a can crashproof overload prevention can separation and reunion planet gear motor, includes reducing gear box motor main part, and reducing gear box motor main part's front end is equipped with motor gear, and the front end surface of reducing gear motor main part is provided with the overload prevention planet carrier, and the front end internal surface of overload prevention planet carrier evenly is provided with a plurality of overload prevention sun teeth, and the rear end internal surface of overload prevention planet carrier is provided with first gear shaft, and the rear end external surface fixed connection of first gear shaft has a planetary gear.

Optionally, the outer wall of the overload-proof sun gear is engaged with a plurality of second planet gears, the overload-proof sun gear is engaged and connected between the plurality of second planet gears, the front end outer surface of each second planet gear rotates and is connected with a second gear shaft, the outer wall of each second gear shaft is provided with an output planet carrier, the front end inner surface of each output planet carrier is connected with an output shaft, the outer wall of each output shaft is provided with a first ball bearing, the outer wall of each output shaft is provided with a cover plate, a hole-used snap spring and a second ball bearing are arranged between each cover plate and the corresponding output shaft, each second ball bearing is located at the front end of the hole-used snap spring, the front end outer surface of each second ball bearing is connected with an output shaft gasket, and the front end outer surface of each output shaft gasket is provided with a shaft-used snap spring.

Optionally, a sun gear is engaged between outer walls of the plurality of first planet gears, a first planet carrier is mounted on an outer wall of the rear end of the sun gear, a plurality of gear shafts are uniformly arranged on the inner surface of the rear end of the first planet carrier, oblique planet gears are fixedly connected to the outer surfaces of the rear ends of the gear shafts, and motor gears are engaged and connected between the oblique planet gears;

the front end of the motor body of the reduction gearbox is provided with a bottom plate;

the sleeve, telescopic front end is connected with the apron rear end, and the sleeve rear end is connected with the bottom plate front end, is equipped with location tooth and oblique internal gear on the sleeve inner wall, and location tooth rear end is located to oblique internal gear, and first planetary gear and the even location tooth meshing of second planetary gear, oblique planetary gear and the inner wall meshing of oblique internal gear are equipped with the bottom plate gasket between oblique internal gear's rear end and the bottom plate.

Optionally, the front end internal surface of the overload prevention planet carrier is provided with a mounting groove, the mounting groove is matched with the overload prevention sun gear, and the rear end external surface of the overload prevention sun gear is movably connected with the front end internal surface of the overload prevention planet carrier through the mounting groove.

Optionally, a first chute has been seted up to the rear end internal surface of overload prevention planet carrier, first chute and first gear shaft looks adaptation, and the outer wall of first gear shaft passes through first chute and the rear end internal surface swing joint of overload prevention planet carrier.

Optionally, the first ball bearing is rotatably sleeved on the output shaft, and the first ball bearing is located between the output planet carrier and the cover plate.

Optionally, a second sliding groove is formed in the inner surface of the rear end of the first planet carrier, the second sliding groove is matched with the gear shaft, and the outer wall of the gear shaft is movably connected with the inner surface of the rear end of the first planet carrier through the second sliding groove.

Optionally, the method further includes: the one end and the fixture block of dead lever are connected, and the other end of dead lever passes apron and sleeve and bottom plate fixed connection in proper order.

Optionally, the method further includes: a cushioning device, the cushioning device comprising:

the mounting box is internally provided with a buffer cavity, the motor main body, the cover plate and the sleeve of the reduction gearbox are all arranged in the mounting box, and the mounting box is provided with a plurality of ventilation holes;

the filter screen is arranged on the inner wall of the vent hole;

the rubber sheet is arranged between the outer wall of the circular ring and the inner wall of the buffer cavity, and the inner wall of the circular ring is rotatably connected with the outer wall of the output shaft.

The buffer, the inner wall symmetry of cushion chamber is equipped with two buffers, adjacent two connect through the elastic connection rope between the buffer, the buffer includes:

stretching device, it is a plurality of stretching device locates on the inner wall of cushion chamber, stretching device includes:

the first fixing block is arranged on the inner wall of the buffer cavity, and a third fixing block is arranged on one side of the first fixing block;

the second fixed block is arranged on the inner wall of the buffer cavity, the second fixed block is positioned above the first fixed block, and a fourth fixed block is arranged on one side of the second fixed block;

one end of the first threaded rod is rotatably connected with the top end of the first fixed block, and the other end of the first threaded rod penetrates through the second fixed block and the mounting box to be connected with a first handle;

one end of the second threaded rod is rotatably connected with the top end of the third fixed block, and the other end of the second threaded rod penetrates through the fourth fixed block and the mounting box to be connected with a second handle;

the first sliding blocks are sleeved on the first threaded rods and are connected with the first threaded rods through threads, the first sliding blocks are connected with the inner walls of the buffer cavities in a sliding mode, and two adjacent first sliding blocks are connected through one elastic connecting rope;

the second sliding block, the second sliding block cup joint in on the second threaded rod, the second sliding block with the second threaded rod passes through threaded connection, the second sliding block with the inner wall sliding connection of cushion chamber, adjacent two pass through another between the second sliding block the elastic connection rope is connected.

Optionally, the install bin top still is equipped with supplementary fixing device, supplementary fixing device includes:

the fixture block is arranged at the top end of the installation box, an air cavity is arranged in the fixture block, a suction cavity is arranged above the air cavity, a synchronous cavity is arranged on one side of the suction cavity, and a first air pipe is arranged between the suction cavity and the air cavity;

the motor is arranged in the clamping block and is positioned on one side of the suction cavity;

one end of the first rotating rod is connected with the motor, and the other end of the first rotating rod penetrates through the suction cavity and the synchronous cavity;

a plurality of suction holes are formed between the air cavity and the buffer cavity;

one end of the second air pipe is connected with the suction cavity, and the other end of the second air pipe penetrates through the clamping block;

the first blade is sleeved on the first rotating rod and is positioned in the suction cavity;

the first gear is sleeved on the first rotating rod and is positioned in the synchronous cavity;

one end of the second rotating rod extends into the synchronous cavity to be connected with a second gear, the second gear is meshed with the first gear, and the other end of the second rotating rod extends into the suction cavity to be connected with a second blade;

fixing device, fixing device locates in the chuck, the bilateral symmetry in suction chamber is equipped with two fixing device, fixing device includes:

the centrifugal cavity is arranged in the clamping block and is positioned on one side of the suction cavity, the first rotating rod penetrates through the centrifugal cavity, a magnet cavity is arranged below the centrifugal cavity, and a sliding cavity is arranged on one side of the magnet cavity;

the centrifugal wheel is sleeved on the first rotating rod and located in the centrifugal cavity, a plurality of centrifugal grooves are formed in the centrifugal wheel, first magnet blocks are connected in the centrifugal grooves in a sliding mode, and first springs are arranged between the first magnet blocks and the centrifugal grooves;

one end of the connecting rod extends into the magnet cavity to be connected with a second magnet, the other end of the connecting rod extends into the sliding cavity to be connected with a connecting block, the connecting block is connected into the sliding cavity in a sliding mode, a second spring is arranged between the connecting block and the inner wall of the sliding cavity, and the second spring is sleeved on the connecting rod;

one end of the sliding rod is connected with the connecting rod, and the other end of the sliding rod extends into the buffer cavity and is connected with the clamping block.

Compared with the prior art, the invention provides an anti-collision overload-prevention clutchable planetary gear motor which has the following beneficial effects:

1. this but anticollision overload prevention separation and reunion planet gear motor, cooperation through overload prevention planet carrier and overload prevention sun gear is used, constitute the sun gear planet carrier structure of new design, optimize to sun gear and the split type separation and reunion of planet carrier structure of skidding, sun gear and planet carrier can appear skidding after bearing certain moment of torsion when the structure after optimizing is used and the antiport output shaft in big moment overload, can prevent that the inside disconnected tooth bad phenomenon of appearance of gear box, planet gear motor's reliability has been improved, make planet gear motor can more stable use.

2. This can crashproof overload-proof planetary gear reducer that can separate and reunion appears burning out bad phenomenon through the simultaneous protection motor, has solved the problem that the broken tooth of gear box motor and motor burn out through the structure of mechanical separation and reunion like this, solves the output shaft end antiport output shaft of gear box, and the condition that the antiport moment of torsion is big when the progression is many and the reduction ratio is big protects the inside gear of gear box, has improved planetary gear reducer's work efficiency and reliability, improves planetary gear reducer's practicality.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is an enlarged view of the invention at A;

FIG. 3 is a schematic structural diagram of an overload prevention planet carrier according to the present invention;

FIG. 4 is a schematic structural view of the overload prevention sun gear of the present invention;

FIG. 5 is a schematic view of the installation of the first gear shaft of the present invention;

FIG. 6 is a schematic view of a buffer device according to the present invention;

FIG. 7 is a schematic side view of a cushioning device according to the present invention;

FIG. 8 is a schematic view of the structure of the vent holes in the present invention;

FIG. 9 is a schematic view of the auxiliary fixing device of the present invention;

FIG. 10 is a schematic view of the configuration of the aspiration lumen of the present invention;

fig. 11 is a schematic diagram of a synchronization chamber structure in the present invention.

In the figure: 1. a reduction gearbox motor main body; 2. a motor gear; 3. an overload prevention planet carrier; 4. overload-proof sun gear; 5. a first gear shaft; 6. a first planetary gear; 7. a second planetary gear; 8. a second gear shaft; 9. an output planet carrier; 10. an output shaft; 11. a cover plate; 12. a clamp spring for the hole; 13. a second ball bearing; 14. an output shaft spacer; 15. a clamp spring for the shaft; 16. a sun gear; 17. a first carrier; 18. a gear shaft; 19. a helical planetary gear; 20. a sleeve; 21. a helical inner gear; 22. a bottom plate shim; 23. a base plate; 24. a first ball bearing; 25. positioning teeth; 26. fixing the rod; 27. a buffer device; 28. installing a box; 29. a buffer chamber; 30. a vent hole; 31. a filter screen; 32. a circular ring; 33. a rubber sheet; 34. a first threaded rod; 35. a first fixed block; 36. a second fixed block; 37. a first handle; 38. a second handle; 39. a third fixed block; 40. a second threaded rod; 41. a second slider; 42. a fourth fixed block; 43. a first slider; 44. an auxiliary fixing device; 45. a clamping block; 46. an air cavity; 47. a centrifugal chamber; 48. a magnet cavity; 49. a suction lumen; 50. a sliding cavity; 51. a slide bar; 52. a clamping block; 53. a suction hole; 54. a first air pipe; 55. a second air pipe; 56. an air cavity; 57. a first rotating lever; 58. a synchronization chamber; 59. a first blade; 60. a second blade; 61. a second rotating lever; 62. a first gear; 63. a second gear; 64. a centrifugal tank; 65. a first magnet block; 66. a first spring; 67. a second magnet; 68. a connecting rod; 69. a second spring; 70. connecting blocks; 71. the elastic connecting rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: an anti-collision and anti-overload clutchable planetary gear motor comprises a reduction gearbox motor main body 1, a motor gear 2 is mounted on the outer surface of the front end of the reduction gearbox motor main body 1, an anti-overload planet carrier 3 is arranged on the outer surface of the front end of the reduction gearbox motor main body 1, an anti-overload sun gear 4 is arranged on the inner variable surface of the front end of the anti-overload planet carrier 3, the anti-overload planet carrier 3 and the anti-overload sun gear 4 are matched for use, the planetary gear and planet carrier split type clutch slipping structure is adopted, when the planetary gear motor breaks down, the planetary gear motor is protected in a slipping mode, the service life is prolonged, a mounting groove is formed in the inner surface of the front end of the anti-overload planet carrier 3 and is matched with the anti-overload sun gear 4, the outer surface of the rear end of the anti-overload sun gear 4 is movably connected with the inner surface of the front end of the anti-overload planet carrier 3 through the mounting groove, and a first gear shaft 5 is arranged on the inner surface of the rear end of the anti-overload planet carrier 3, the inner surface of the rear end of the overload prevention planet carrier 3 is provided with a first sliding groove, the first sliding groove is matched with the first gear shaft 5, the outer wall of the first gear shaft 5 is movably connected with the inner surface of the rear end of the overload prevention planet carrier 3 through the first sliding groove, and the outer surface of the rear end of the first gear shaft 5 is fixedly connected with the first planetary gear 6.

Referring to fig. 1 and 5, the outer wall of the overload prevention sun gear 4 is engaged with second planet gears 7, the overload prevention sun gear 4 is engaged and connected between a plurality of second planet gears 7, the six planet gears provide a large resultant torque during speed change through the cooperation of the first planet gears 6 and the second planet gears 7, the outer surface of the front end of each second planet gear 7 is rotatably connected with a second gear shaft 8, the outer wall of each second gear shaft 8 is provided with an output planet carrier 9, the inner surface of the front end of the output planet carrier 9 is connected with an output shaft 10, the output shaft 10 and the input shaft are coaxial through the arrangement of the output shaft 10, the operation of the planetary gear motor is ensured, and stable speed transmission is performed, so that the gears are always well engaged, the outer wall of the output shaft 10 is provided with a first ball bearing 24, and the first ball bearing 24 is rotatably sleeved on the output shaft 10, first ball bearing 24 is located output planet carrier 9 with between the apron 11, apron 11 is installed to the outer wall of output shaft 10, is equipped with hole circlip 12 and second ball bearing 13 between apron 11 and the output shaft 10, and second ball bearing 13 is located the front end of hole circlip 12, and the front end surface of second ball bearing 13 is connected with output shaft gasket 14, through output shaft gasket 14's setting, can protect second ball bearing 13 and axle circlip 15, and output shaft gasket 14's front end surface mounting has axle circlip 15.

A sun gear 16 is meshed between the outer walls of the plurality of first planet gears 6, a first planet carrier 17 is mounted on the outer wall of the rear end of the sun gear 16, a plurality of gear shafts 18 are uniformly arranged on the inner surface of the rear end of the first planet carrier 17, oblique planet gears 19 are fixedly connected to the outer surfaces of the rear ends of the gear shafts 18, and the motor gear 2 is meshed between the oblique planet gears 19;

the front end of the speed reducing motor body 1 is provided with a bottom plate 23;

sleeve 20, the front end of sleeve 20 with the apron 11 rear end is connected, sleeve 20 rear end with bottom plate 23 front end is connected, be equipped with location tooth 25 and oblique internal gear 21 on the sleeve 20 inner wall, oblique internal gear 21 is located location tooth 25 rear end, first planetary gear 6 and second planetary gear 7 are even location tooth 25 meshes, oblique planetary gear 19 with oblique internal gear 21's inner wall meshing, oblique internal gear 21's rear end with be equipped with bottom plate gasket 22 between the bottom plate 23.

Further comprising: and one end of the fixing rod 26 is connected with a clamping block, and the other end of the fixing rod 26 sequentially penetrates through the cover plate 11 and the sleeve 20 to be fixedly connected with the bottom plate 23.

In conclusion, when the anti-collision overload-prevention clutchable planetary gear motor is used, the overload-prevention planet carrier 3 and the overload-prevention sun gear 4 are matched for use, a newly designed sun gear planet carrier structure is formed, compared with the existing sun gear planet carrier which is of an integral structure and a pressing structure, the structure is optimized to be a split type clutching slipping structure of the sun gear 16 and the first planet carrier 17, the sun gear and the planet carrier can slip after bearing certain torque when the optimized structure is used under the condition of large moment overload and the output shaft 10 rotates reversely, the bad phenomenon of broken teeth inside the gear box can be prevented, meanwhile, the bad phenomenon of burning of the motor is protected, and therefore the problems of broken teeth of the motor of the gear box and burning of the motor are solved through the structure of mechanical clutch.

As shown in fig. 6 to 11, the anti-collision overload-prevention clutchable planetary reduction motor provided by the invention further comprises: a cushioning device 27, said cushioning device 27 comprising:

the gearbox motor comprises a mounting box 28, wherein a buffer cavity 29 is arranged in the mounting box 28, the gearbox motor main body 1, a cover plate 11 and a sleeve 20 are all arranged in the mounting box 28, and a plurality of ventilation holes 30 are formed in the mounting box 28;

the filter screen 31 is arranged on the inner wall of the vent hole 30;

a rubber sheet 33 is arranged between the outer wall of the circular ring 32 and the inner wall of the buffer cavity 29, and the inner wall of the circular ring 32 is rotatably connected with the outer wall of the output shaft 10.

The buffer, the inner wall symmetry of cushion chamber 29 is equipped with two buffers, and adjacent two connect through elastic connection rope 71 between the buffer, the buffer includes:

stretching device, a plurality of stretching device locates on the inner wall of cushion chamber 29, stretching device includes:

the first fixing block 35 is arranged on the inner wall of the buffer cavity 29, and a third fixing block 39 is arranged on one side of the first fixing block 35;

the second fixed block 36 is arranged on the inner wall of the buffer cavity 29, the second fixed block 36 is positioned above the first fixed block 35, and a fourth fixed block 42 is arranged on one side of the second fixed block 36;

one end of the first threaded rod 34 is rotatably connected with the top end of the first fixing block 35, and the other end of the first threaded rod 34 passes through the second fixing block 36 and the installation box 28 to be connected with a first handle 37;

one end of the second threaded rod 40 is rotatably connected with the top end of the third fixed block 39, and the other end of the second threaded rod 40 penetrates through the fourth fixed block 42 and the installation box 28 to be connected with the second handle 38;

the first sliding block 43 is sleeved on the first threaded rod 34, the first sliding block 43 is connected with the first threaded rod 34 through threads, the first sliding block 43 is connected with the inner wall of the buffer cavity 29 in a sliding manner, and two adjacent first sliding blocks 43 are connected through one elastic connecting rope 44;

and the second sliding block 41 is sleeved on the second threaded rod 40, the second sliding block 41 is in threaded connection with the second threaded rod 40, the second sliding block 41 is in sliding connection with the inner wall of the buffer cavity 29, and every two adjacent second sliding blocks 41 are connected through another elastic connecting rope 44.

The working principle of the technical scheme is as follows: in actual use, after the installation box 28 is installed at a designated position, the speed reducing motor is placed in the installation cavity 29, so that the output shaft 10 passes through the circular ring, then the first handle 37 and the second handle 38 are respectively rotated, the first handle 37 drives the first sliding block 43 to move upwards through the first threaded rod 34, so that the elastic connecting rope 44 connected between two adjacent first sliding blocks 43 drags the lower part of the speed reducing motor, then the second handle 38 is rotated, the second handle 38 drives the second sliding block 41 to move downwards through the second threaded rod 40, so that the elastic connecting rope 44 connected between two adjacent second sliding blocks 41 presses the upper part of the speed reducing motor, and when the first handle 37 and the second handle 38 are continuously rotated so that the first sliding block 43 is positioned above the second sliding block 41, the fixing of the speed reducing motor is completed.

The beneficial effects of the above technical scheme are that: by arranging the speed reducing motor inside the installation box 28, the speed reducing motor is prevented from being directly exposed to the outside, and the speed reducing motor is prevented from being damaged by collision; meanwhile, the speed reducing motor is fixed in a vertically limiting manner through the elastic connecting ropes 44, so that the speed reducing motor is mounted in a suspended manner, the heat dissipation efficiency of the speed reducing motor is greatly improved, and the anti-collision effect is improved; meanwhile, the elastic connecting rope 44 and the rubber sheet 32 can be deformed by the vibration generated in the use process of the speed reducing motor, and the speed reducing motor can be well buffered and damped by the elastic force of the elastic connecting rope 44 and the rubber sheet, so that the noise generated by the speed reducing motor due to the vibration is reduced; and a plurality of louvres 30 on the installation box 28 are provided with filter screens, so that the inside of the installation box 28 is in a dust-free environment, dust is prevented from entering the inside of the speed reduction motor, and the service life of the speed reduction motor is prolonged.

In one embodiment, the top end of the mounting box 28 is further provided with an auxiliary fixing device 44, and the auxiliary fixing device 44 comprises:

a fixture block 45, wherein the fixture block 45 is arranged at the top end of the mounting box 28, an air cavity 46 is arranged in the fixture block 45, a suction cavity 49 is arranged above the air cavity 46, a synchronization cavity 58 is arranged at one side of the suction cavity 49, and a first air pipe 54 is arranged between the suction cavity 49 and the air cavity 46;

the motor 56 is arranged in the fixture block 45, and the motor 56 is positioned on one side of the suction cavity 49;

a first rotating rod 57, one end of the first rotating rod 57 is connected with the motor 56, and the other end of the first rotating rod 57 passes through the suction cavity 49 and the synchronization cavity 58;

a plurality of suction holes 53 are arranged between the air cavity 46 and the buffer cavity 29;

one end of the second air pipe 55 is connected with the suction cavity 49, and the other end of the second air pipe 55 penetrates through the fixture block 45;

the first blade 59 is sleeved on the first rotating rod 57, and the first blade 59 is positioned in the suction cavity 49;

the first gear 62 is sleeved on the first rotating rod 57, and the first gear 62 is located in the synchronizing cavity 58;

one end of the second rotating rod 61 extends into the synchronous cavity 58 to be connected with a second gear 63, the second gear 63 is meshed with the first gear 62, and the other end of the second rotating rod 61 extends into the suction cavity 49 to be connected with a second blade 60;

fixing device, fixing device locates in the fixture block 45, the bilateral symmetry of suction chamber 49 is equipped with two fixing device, fixing device includes:

the centrifugal cavity 47 is arranged in the fixture block 45, the centrifugal cavity 47 is positioned on one side of the suction cavity 49, the first rotating rod 57 penetrates through the centrifugal cavity 47, a magnet cavity 48 is arranged below the centrifugal cavity 47, and a sliding cavity 50 is arranged on one side of the magnet cavity 48;

the centrifugal wheel 63 is sleeved on the first rotating rod 57, the centrifugal wheel 63 is located in the centrifugal cavity 47, a plurality of centrifugal grooves 65 are formed in the centrifugal wheel 63, first magnet blocks 65 are connected in the centrifugal grooves 64 in a sliding manner, and first springs 66 are arranged between the first magnet blocks 65 and the centrifugal grooves 64;

one end of the connecting rod 68 extends into the magnet cavity 48 to be connected with the second magnet 67, the other end of the connecting rod 68 extends into the sliding cavity 50 to be connected with a connecting block 70, the connecting block 70 is slidably connected into the sliding cavity 50, a second spring 69 is arranged between the connecting block 70 and the inner wall of the sliding cavity 50, and the second spring 69 is sleeved on the connecting rod 68;

and one end of the sliding rod 51 is connected with the connecting rod 70, and the other end of the sliding rod 51 extends into the buffer cavity 29 and is connected with the clamping block 52.

The working principle of the technical scheme is as follows: in the actual use process, when the decelerating motor is started, the motor 56 is started at the same time, the motor 56 drives the first blade 59 and the first gear 62 to rotate through the first rotating rod 57, the first gear 62 drives the second rotating rod 61 to rotate through the second gear 63, the second rotating rod 61 drives the second blade 60 to rotate, air in the buffer cavity 29 enters the air cavity 46 through the suction hole 53 through the rotation of the first blade 59 and the second blade 60, and then the air passes through the suction cavity 49 and the first air pipe 55 from the air cavity 46 to reach the outside, so that the air flow in the buffer cavity 29 is accelerated; meanwhile, the centrifugal wheel 63 is driven by the first rotating rod 57 to rotate, the first magnet 64 is thrown out of the centrifugal groove 64 when the centrifugal wheel 63 rotates, the first magnet 64 enters the magnet cavity 48 after being thrown out, and the second magnet 67 moves in the direction away from the sliding cavity 50 under the action of magnetic force, so that the second magnet drives the clamping block 52 to move in the compression direction of the second spring 69 through the connecting rod 68, the sliding block 70 and the sliding rod 51, and the speed reduction motor clamped and fixed by the clamping block 52 is released.

The beneficial effects of the above technical scheme are that: when the speed reducing motor is started, the auxiliary fixing device 44 drives the air in the buffer cavity 29 to flow, auxiliary heat dissipation is performed in the buffer cavity 29, the heat dissipation efficiency in the buffer cavity 29 is improved, and the speed reducing motor is prevented from being damaged due to overheating; meanwhile, when the speed reducing motor is not used, the two clamping blocks 52 can clamp and fix the speed reducing motor, so that when the speed reducing motor is not used, gravity is borne by the auxiliary fixing device 44, the situation that the buffering performance is reduced due to the fact that the elastic connecting rope 44 is stretched excessively is avoided, when the speed reducing motor shakes excessively, the speed reducing motor can contact the clamping blocks 52, and the clamping blocks 52 can play a limiting role in the speed reducing motor.

In one embodiment, further comprising: a temperature control assembly, the temperature control assembly comprising:

the first temperature sensor is arranged in the buffer cavity 29 and used for measuring the ambient temperature in the rear buffer cavity 29;

the second temperature sensor is arranged on the outer wall of the speed reducing motor body 1 and used for measuring the temperature of the speed reducing motor body 1;

the controller is arranged in the fixture block 45, and the first temperature sensor, the motor 56 and the second temperature sensor are electrically connected with the controller;

the rotation speed of the motor 56 is controlled by the first temperature sensor and the second temperature sensor, and the steps are as follows:

step 1: counting the total heat W of the buffer cavity 29, wherein the calculation formula is as follows;

W＝VρC(t₁-t₀)

where V is the volume of air in the buffer chamber 29, ρ is the air density, C is the air specific heat capacity, and t is₁For monitoring the temperature, t, of the second temperature sensor in real time₀Is the initial temperature within the buffer chamber 29;

step 2: determining the rotational speed v of the motor 56 according to the following formula;

wherein K is a heat dissipation coefficient, S is a total of inner wall areas of the buffer chamber 29, and t is₂Is the monitored temperature of the first temperature sensor, a is the temperature difference correction coefficient, t₃Is a preset buffer chamber 29 temperature threshold, v₁Is the maximum rotational speed of the motor 56, q is the maximum suction capacity of the auxiliary fixture 44;

and step 3: the controller controls the adjustment of the actual rotational speed of the motor 56 to the desired operating rotational speed of the motor 56.

The working principle and the beneficial effects of the scheme are as follows: the first temperature sensor measures the ambient temperature in the buffer cavity 29, the second temperature sensor measures the temperature of the motor body 1 of the reduction gearbox, the calculation is carried out through the formula, and then the working rotating speed of the motor 56 is automatically controlled through the calculation structure, so that the working rotating speed of the motor 56 is adapted to the heat dissipation requirement required by the buffer cavity 29 at present, and the consumption of electric quantity is saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but anticollision overload prevention planetary gear motor that can separate and reunion, includes reducing gear box motor main part (1), its characterized in that: the front end of reducing gear box motor main part (1) is equipped with motor gear (2), the front end surface of reducing gear motor main part (1) is provided with overload prevention planet carrier (3), the front end internal variable face of overload prevention planet carrier (3) is provided with overload prevention sun gear (4), the rear end internal surface of overload prevention planet carrier (3) evenly is provided with a plurality of first gear shafts (5), the rear end surface fixed connection of first gear shaft (5) has first planetary gear (6).

2. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 1, is characterized in that: the outer wall of the overload-proof sun gear (4) is engaged with a plurality of second planet gears (7), the overload-proof sun gear (4) is engaged and connected between the plurality of second planet gears (7), the outer surface of the front end of each second planet gear (7) is rotatably connected with a second gear shaft (8), the outer wall of each second gear shaft (8) is provided with an output planet carrier (9), the inner surface of the front end of the output planet carrier (9) is connected with an output shaft (10), the outer wall of the output shaft (10) is provided with a first ball bearing (24), the outer wall of the output shaft (10) is provided with a cover plate (11), a hole clamp spring (12) and a second ball bearing (13) are arranged between the cover plate (11) and the output shaft (10), the second ball bearing (13) is positioned at the front end of the hole clamp spring (12), and the outer surface of the front end of the second ball bearing (13) is connected with an output shaft gasket (14), and a shaft clamp spring (15) is arranged on the outer surface of the front end of the output shaft gasket (14).

3. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 1, is characterized in that: a sun gear (16) is meshed between the outer walls of the first planetary gears (6), a first planetary carrier (17) is mounted on the outer wall of the rear end of the sun gear (16), a plurality of gear shafts (18) are uniformly arranged on the inner surface of the rear end of the first planetary carrier (17), oblique planetary gears (19) are fixedly connected to the outer surfaces of the rear ends of the gear shafts (18), and the motor gears (2) are meshed among the oblique planetary gears (19);

the front end of the reduction gearbox motor body (1) is provided with a bottom plate (23);

sleeve (20), the front end of sleeve (20) with apron (11) rear end is connected, sleeve (20) rear end with bottom plate (23) front end is connected, be equipped with location tooth (25) and oblique internal gear (21) on sleeve (20) inner wall, oblique internal gear (21) are located location tooth (25) rear end, first planetary gear (6) and second planetary gear (7) are even location tooth (25) meshing, oblique planetary gear (19) with the inner wall meshing of oblique internal gear (21), the rear end of oblique internal gear (21) with be equipped with bottom plate gasket (22) between bottom plate (23).

4. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 1, is characterized in that: the mounting groove has been seted up to the front end internal surface of anti-overload planet carrier (3), mounting groove and anti-overload sun tooth (4) looks adaptation, the rear end surface of anti-overload sun tooth (4) passes through the mounting groove and the front end internal surface swing joint of anti-overload planet carrier (3).

5. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 1, is characterized in that: first spout has been seted up to the rear end internal surface of anti-overload planet carrier (3), first spout and first gear shaft (5) looks adaptation, the outer wall of first gear shaft (5) is through the rear end internal surface swing joint of first spout and anti-overload planet carrier (3).

6. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 2, is characterized in that: the first ball bearing (24) is rotatably sleeved on the output shaft (10), and the first ball bearing (24) is positioned between the output planet carrier (9) and the cover plate (11).

7. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 3, is characterized in that: the inner surface of the rear end of the first planet carrier (17) is provided with a second sliding groove, the second sliding groove is matched with the gear shaft (18), and the outer wall of the gear shaft (18) is movably connected with the inner surface of the rear end of the first planet carrier (17) through the second sliding groove.

8. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 3, is characterized in that:

further comprising: one end of the fixing rod (26) is connected with the clamping block, and the other end of the fixing rod (26) penetrates through the cover plate (11) and the sleeve (20) in sequence to be fixedly connected with the bottom plate (23).

9. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 3, is characterized in that:

further comprising: a cushioning device (27), the cushioning device (27) comprising:

the gearbox motor comprises a mounting box (28), wherein a buffer cavity (29) is arranged in the mounting box (28), the motor main body (1) of the reduction gearbox, a cover plate (11) and a sleeve (20) are all arranged in the mounting box (28), and a plurality of ventilation holes (30) are formed in the mounting box (28);

the filter screen (31) is arranged on the inner wall of the vent hole (30);

the rubber sheet (33) is arranged between the outer wall of the circular ring (32) and the inner wall of the buffer cavity (29), and the inner wall of the circular ring (32) is rotationally connected with the outer wall of the output shaft (10).

The inner wall symmetry of cushion chamber (29) is equipped with two buffers, adjacent two connect through elastic connection rope (44) between the buffer, the buffer includes:

stretching device, a plurality of stretching device locates on the inner wall of cushion chamber (29), stretching device includes:

the first fixing block (35) is arranged on the inner wall of the buffer cavity (29), and a third fixing block (39) is arranged on one side of the first fixing block (35);

the second fixing block (36) is arranged on the inner wall of the buffer cavity (29), the second fixing block (36) is positioned above the first fixing block (35), and a fourth fixing block (42) is arranged on one side of the second fixing block (36);

one end of the first threaded rod (34) is rotatably connected with the top end of the first fixing block (35), and the other end of the first threaded rod (34) penetrates through the second fixing block (36) and the mounting box (28) to be connected with a first handle (37);

one end of the second threaded rod (40) is rotatably connected with the top end of the third fixed block (39), and the other end of the second threaded rod (40) penetrates through the fourth fixed block (42) and the mounting box (28) to be connected with the second handle (38);

the first sliding block (43) is sleeved on the first threaded rod (34), the first sliding block (43) is connected with the first threaded rod (34) through threads, the first sliding block (43) is connected with the inner wall of the buffer cavity (29) in a sliding mode, and two adjacent first sliding blocks (43) are connected through one elastic connecting rope (71);

the second sliding block (41), the second sliding block (41) cup joint in on second threaded rod (40), second sliding block (41) with second threaded rod (40) pass through threaded connection, second sliding block (41) with the inner wall sliding connection of cushion chamber (29), adjacent two through another between second sliding block (41) elastic connection rope (44) are connected.

10. The planetary gear motor capable of preventing collision and overload and being clutched according to claim 9, wherein:

the installation box (28) top still is equipped with supplementary fixing device (44), supplementary fixing device (44) include:

the fixture block (45) is arranged at the top end of the installation box (28), an air cavity (46) is arranged in the fixture block (45), a suction cavity (49) is arranged above the air cavity (46), a synchronous cavity (58) is arranged on one side of the suction cavity (49), and a first air pipe (54) is arranged between the suction cavity (49) and the air cavity (46);

the motor (56), the motor (56) is arranged in the fixture block (45), and the motor (56) is positioned on one side of the suction cavity (49);

a first rotating rod (57), one end of the first rotating rod (57) is connected with the motor (56), and the other end of the first rotating rod (57) passes through the suction cavity (49) and the synchronous cavity (58);

a plurality of suction holes (53) are arranged between the air cavity (46) and the buffer cavity (29);

one end of the second air pipe (55) is connected with the suction cavity (49), and the other end of the second air pipe (55) penetrates through the fixture block (45);

a first blade (59), wherein the first blade (59) is sleeved on the first rotating rod (57), and the first blade (59) is positioned in the suction cavity (49);

the first gear (62), the first gear (62) is sleeved on the first rotating rod (57), and the first gear (62) is positioned in the synchronous cavity (58);

one end of the second rotating rod (61) extends into the synchronous cavity (58) and is connected with a second gear (63), the second gear (63) is meshed with the first gear (62), and the other end of the second rotating rod (61) extends into the suction cavity (49) and is connected with a second blade (60);

fixing device, fixing device locates in fixture block (45), the bilateral symmetry of suction chamber (49) is equipped with two fixing device, fixing device includes:

the centrifugal cavity (47) is arranged in the fixture block (45), the centrifugal cavity (47) is located on one side of the suction cavity (49), the first rotating rod (57) penetrates through the centrifugal cavity (47), a magnet cavity (48) is arranged below the centrifugal cavity (47), and a sliding cavity (50) is arranged on one side of the magnet cavity (48);

the centrifugal wheel (63) is sleeved on the first rotating rod (47), the centrifugal wheel (63) is located in the centrifugal cavity (47), a plurality of centrifugal grooves (65) are formed in the centrifugal wheel (63), first magnet blocks (65) are connected in the centrifugal grooves (64) in a sliding mode, and first springs (66) are arranged between the first magnet blocks (65) and the centrifugal grooves (64);

one end of the connecting rod (68) extends into the magnet cavity (48) and is connected with the second magnet (67), the other end of the connecting rod (68) extends into the sliding cavity (50) and is connected with a connecting block (70), the connecting block (70) is connected into the sliding cavity (50) in a sliding mode, a second spring (69) is arranged between the connecting block (70) and the inner wall of the sliding cavity (50), and the second spring (69) is sleeved on the connecting rod (68);

one end of the sliding rod (51) is connected with the connecting rod (70), and the other end of the sliding rod (51) penetrates into the buffer cavity (29) and is connected with the clamping block (52).