CN218236061U

CN218236061U - Planetary gear reducer with replaceable gear

Info

Publication number: CN218236061U
Application number: CN202222466689.XU
Authority: CN
Inventors: 谢显; 赵永辉; 李兵水
Original assignee: Chuanbei Suzhou Transmission Technology Co ltd
Current assignee: Chuanbei Suzhou Transmission Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-06
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a speed reducer technical field just discloses a removable planetary gear speed reducer of gear, which comprises an outer shell, the fixed surface cover of output shaft is equipped with sun gear, two the surface of pivot is all overlapped and is equipped with first planetary gear and second planetary gear, two the equal fixedly connected with screw thread section of thick bamboo of bottom surface of backup pad, two the equal threaded connection of internal surface of screw thread section of thick bamboo has a threaded rod, two the equal fixedly connected with carousel of the inside surface of shell is kept away from to the bull stick. This removable planetary gear speed reducer of gear drives bull stick and second bevel gear through the carousel and rotates to drive first bevel gear and make the threaded rod rotate, cooperation threaded sleeve makes the backup pad shift up, drives first planetary gear and shifts up, has solved current planetary gear speed reducer and need demolish whole casing carrying out the gear change process, thereby makes the comparatively troublesome problem of change gear.

Description

Planetary gear reducer with replaceable gear

Technical Field

The utility model relates to a speed reducer technical field specifically is a removable planetary gear speed reducer of gear.

Background

Planetary gear sets are widely used in the industries of lifting, digging, transportation, construction, etc. as a kit, planetary gear sets are named because they can rotate around their own axis as a fixed axis gear, and their axes of rotation also rotate with a carrier around the axes of other gears, and the rotation around their own axis is called "rotation", and the rotation around the axes of other gears is called "revolution", as is the case with planets in the solar system.

The planetary gear needs bear different dynamics according to the size of drive load, and long-time work can lead to the emergence of phenomenon such as planetary gear fracture wearing and tearing, consequently needs to change it, and current planetary gear reducer is carrying out the gear change process and need demolish whole casing to it is comparatively troublesome to make the change gear, has consequently proposed a removable planetary gear of gear and has subtracted machine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a removable planetary gear speed reducer of gear has solved current planetary gear speed reducer and has carried out the gear change process and need demolish whole casing, leads to changing the comparatively trouble problem of gear.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a removable planetary gear speed reducer of gear, includes the shell, the inside activity of shell runs through there is the output shaft, the outer fixed surface cover of output shaft is equipped with sun gear, the inside activity of shell is provided with two pivots, two the pivot is the symmetry and sets up in the both sides of output shaft, two the surface of pivot all is equipped with first planetary gear and second planetary gear, the left and right sides internal surface swing joint of shell has interior ring gear, sun gear's left and right sides surface meshes with two first planetary gear respectively, two first planetary gear meshes in two interior ring gears respectively.

Preferably, the bottom outer surface of the rotating shaft is movably connected with a supporting plate, the bottom outer surface of the supporting plate is fixedly connected with a threaded cylinder, the inner surface of the threaded cylinder is connected with a threaded rod, the outer surface of the threaded rod is sleeved with a first bevel gear, rotating rods are movably inserted into the inner surfaces of the left side and the right side of the shell, the rotating rods are far away from a rotating disk fixedly connected with the outer surface of the shell, the rotating rods are located on the outer surface of the shell, and second bevel gears are fixedly sleeved with the outer surface of the shell and are meshed with the first bevel gears respectively.

Preferably, the outer surfaces of the tops of the two first planetary gears are movably provided with a fixed plate, a first bolt penetrates through the inner surface threads of the fixed plate, the two rotating shafts and the two first planetary gears are in threaded connection through the first bolt, the first planetary gears are fixed on the rotating shafts through the first bolts, and the normal operation of the first planetary gears is not influenced.

Preferably, the outer surfaces of two ends of the top of the shell are movably provided with top covers, the two top covers are in threaded connection with the outer surface of the shell through second bolts, and the top covers are opened by unscrewing the second bolts, so that the first planetary gear can be replaced.

Preferably, the two second planet gears are respectively arranged below the two first planet gears, the size of the two second planet gears is the same as that and the structure of the two first planet gears, the second planet gears are used as spare gears of the first planet gears, and therefore when the first planet gears are damaged, the first planet gears can be replaced quickly.

(III) advantageous effects

Compared with the prior art, the utility model provides a removable planetary gear speed reducer of gear possesses following beneficial effect:

1. this removable planetary gear speed reducer of gear drives bull stick and second bevel gear through the carousel and rotates to drive first bevel gear and make the threaded rod rotate, cooperation threaded sleeve makes the backup pad shift up, drives first planetary gear and moves upward, thereby changes first planetary gear, has solved current planetary gear speed reducer and need demolish whole casing carrying out the gear change process, leads to changing the comparatively troublesome problem of gear.

2. This removable planetary gear speed reducer of gear drives bull stick and second bevel gear through the carousel and rotates to drive first bevel gear and make the threaded rod rotate, cooperation threaded sleeve makes the backup pad shift up, adjusts second planetary gear to with sun gear engagement department, replaces first planetary gear, has solved when planetary gear damages at the during operation, and lead to planetary gear speed reducer to normally use, reduces work efficiency's problem.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is a schematic top view of a first planetary gear and its related structure;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Wherein: 1. a housing; 2. an output shaft; 3. a sun gear; 4. a first planetary gear; 5. a rotating shaft; 6. a fixing plate; 7. a first bolt; 8. a second planetary gear; 9. a support plate; 10. a threaded barrel; 11. a threaded rod; 12. a first bevel gear; 13. a rotating rod; 14. a turntable; 15. a second bevel gear; 16. an inner toothed ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to figures 1-4 of the drawings,

example 1: a planetary gear reducer with replaceable gears comprises a shell 1, an output shaft 2 penetrates through the shell 1 movably, the output shaft 2 is connected with an external motor and provides a rotating power source for the reducer, a sun gear 3 is fixedly sleeved on the outer surface of the output shaft 2, when the external power source drives the output shaft 2 to rotate, the sun gear 3 is driven to rotate, two rotating shafts 5 are movably arranged in the shell 1, the two rotating shafts 5 are symmetrically arranged on two sides of the output shaft 2, first planetary gears 4 are sleeved on the outer surfaces of the two rotating shafts 5, inner gear rings 16 are movably connected on the inner surfaces of the left side and the right side of the shell 1, the outer surfaces of the left side and the right side of the sun gear 3 are respectively meshed with the two first planetary gears 4, the two first planetary gears 4 are driven to rotate when the sun gear 3 rotates, the two first planetary gears 4 are respectively meshed with the two inner gear rings 16, the two first planet gears 4 drive the two inner gear rings 16 to rotate when rotating, the outer surfaces of the bottoms of the two rotating shafts 5 are movably connected with the supporting plates 9, the outer surfaces of the tops of the two supporting plates 9 are fixedly provided with bearings, the two rotating shafts 5 are respectively and fixedly connected with the inner rings of the two bearings, the bearings can support the rotating shafts 5 without influencing the normal rotation of the rotating shafts 5, the outer surfaces of the bottoms of the two supporting plates 9 are fixedly connected with threaded cylinders 10, the inner surfaces of the two threaded cylinders 10 are respectively and fixedly connected with threaded rods 11, the outer surfaces of the two threaded rods 11 are respectively sleeved with a first bevel gear 12, rotating rods 13 are movably inserted into the inner surfaces of the left side and the right side of the shell 1, the outer surfaces of the two rotating rods 13 far away from the inner part of the shell 1 are respectively and fixedly connected with a rotating disk 14, the rotating rods 13 are driven to rotate by the rotating disk 14, and the outer surfaces of the two rotating rods 13 positioned in the shell 1 are respectively and fixedly sleeved with second bevel gears 15, and two second bevel gears 15 mesh with two first bevel gears 12 respectively, bull stick 13 drives second bevel gear 15 and rotates when rotating, second bevel gear 15 drives first bevel gear 12 and rotates for threaded rod 11 rotates, thereby the position of adjustment screw thread section of thick bamboo 10, and then the position of adjustment backup pad 9, up move first planet gear 4, make it straighten the shell 1 outside from the top cap, and then change it, it needs to demolish whole casing to have solved current planetary gear speed reducer and carrying out the gear change process, lead to changing the comparatively troublesome problem of gear.

Example 2: the outer surfaces of the two rotating shafts 5 are sleeved with the second planetary gears 8, the two second planetary gears 8 are respectively arranged below the two first planetary gears 4, the size of the two second planetary gears 8 is the same as that of the two first planetary gears 4, the second planetary gears 8 are used as standby gears of the first planetary gears 4, when the first planetary gears 4 are damaged, the rotating rods 13 are rotated through the rotating discs 14, the threaded rods 11 are driven to rotate, the positions of the first planetary gears 4 are moved upwards, the positions of the second planetary gears 8 are adjusted to be meshed with the sun gear 3, and therefore the first planetary gears 4 can be replaced rapidly, and the problems that when the planetary gears are damaged in work, the planetary speed reducer cannot be used normally and the work efficiency is reduced are solved.

The height between the top cover and the first planet gears 4 is greater than the height between the first planet gears 4 and the second planet gears 8 because: when the first planetary gear 4 is replaced, the second planetary gear 8 cannot be moved to the position where it is meshed with the sun gear 3 due to the resistance of the top cover.

The bottom internal surface fixed mounting of shell 1 has two bearings, and the bottom of two threaded rods 11 and the inner circle fixed connection of two bearings, bearing support threaded rod 11, and do not influence the normal rotation of threaded rod 11.

Threaded cylinder 10 and backup pad 9 all adopt the aluminum alloy material to make, and the reason lies in: the aluminum alloy has small density, high strength and good corrosion resistance.

The devices used by the equipment are selected differently according to actual use, and various parameters are referred to, so that the functions of the used equipment correspond to the achieved effects.

The working principle is as follows: when in use, the speed reducer is firstly placed at a position required to be used, then the output shaft 2 is connected with an external motor, so as to provide a rotating power source for the speed reducer, the output shaft 2 drives the sun gear 3 inside the shell 1 to rotate when rotating, the sun gear 3 drives the first planetary gears 4 on two sides to rotate when rotating, the planetary gears drive the inner gear ring 16 to rotate when rotating, when the first planetary gear 4 on the left side is damaged and needs to be replaced, the second bolt on the top of the left side of the shell 1 is screwed, the top cover is opened, the left rotary disc 14 is rotated clockwise, the rotary disc 14 drives the rotary rod 13 to rotate, so as to drive the second bevel gear 15 to rotate, the first bevel gear 12 is driven to rotate when the second bevel gear 15 rotates, so as to drive the threaded rod 11 to rotate, and the threaded barrel 10 moves upwards when the threaded rod 11 rotates, thereby drive backup pad 9 and move up, until left side first planet gear 4 stretches out the outside of shell 1, thereby unscrew first bolt 7 on fixed plate 6, make and break away from between first planet gear 4 and pivot 5, thereby can change first planet gear 4, after finishing changing, anticlockwise rotation carousel 14 adjust first planet gear 4 to with the sun, then cover the top cap again, screw on the second bolt can, thereby accomplish the change to first planet gear 4, when right side first planet gear 4 damages, only need to twist the second bolt of shell 1 right side top and clockwise rotate right side carousel 14 can, solved current planetary gear reducer and need demolish whole casing when carrying out the gear change process, lead to changing the comparatively troublesome problem of gear.

When the speed reducer is used, the first planetary gear 4 is damaged, the power supply is cut off, then the rotary table 14 is rotated to drive the rotary rod 13 and the second bevel gear 15 to rotate, so that the first bevel gear 12 is driven to rotate, the threaded rod 11 is driven to rotate, the position of the second planetary gear 8 is adjusted to be meshed with the sun gear 3, the first planetary gear 4 is quickly replaced, and when the speed reducer is used, the damaged first planetary gear 4 is replaced, so that the problems that when the planetary gear is damaged in work, the planetary speed reducer cannot be normally used and the working efficiency is reduced are solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 removable planetary gear speed reducer of gear, includes shell (1), its characterized in that: the inside activity of shell (1) is run through output shaft (2), the outer fixed surface cover of output shaft (2) is equipped with sun gear (3), the inside activity of shell (1) is provided with two pivot (5), two pivot (5) are the symmetry and set up in the both sides of output shaft (2), two the surface of pivot (5) all overlaps and is equipped with first planetary gear (4) and second planetary gear (8), the left and right sides internal surface swing joint of shell (1) has interior ring gear (16), the left and right sides surface of sun gear (3) meshes with two first planetary gear (4) respectively, two first planetary gear (4) mesh in two interior ring gear (16) respectively.

2. The planetary gear reducer with replaceable gears as claimed in claim 1, wherein: two the equal swing joint of bottom surface of pivot (5) has backup pad (9), two the equal fixedly connected with screw thread section of thick bamboo (10) of bottom surface of backup pad (9), two the equal threaded connection of internal surface of screw thread section of thick bamboo (10) has threaded rod (11), two the surface of threaded rod (11) all is equipped with first bevel gear (12) in the cover, the equal activity of the left and right sides internal surface of shell (1) is inserted and is equipped with bull stick (13), two the equal fixedly connected with carousel (14) of the inside surface of shell (1), two are kept away from in bull stick (13) the surface that bull stick (13) are located shell (1) inside all fixes the cover and is equipped with second bevel gear (15), and two second bevel gear (15) mesh with two first bevel gear (12) respectively.

3. The gear-replaceable planetary gear reducer according to claim 1, characterized in that: the outer surface of the top of each of the two first planetary gears (4) is movably provided with a fixing plate (6), a first bolt (7) penetrates through the inner surface of each fixing plate (6), and the rotating shaft (5) is in threaded connection with the two first planetary gears (4) through the first bolts (7).

4. The gear-replaceable planetary gear reducer according to claim 1, characterized in that: the outer surfaces of two ends of the top of the shell (1) are movably provided with top covers, and the top covers are in threaded connection with the outer surface of the shell (1) through second bolts.

5. The planetary gear reducer with replaceable gears as claimed in claim 1, wherein: the two second planetary gears (8) are respectively arranged below the two first planetary gears (4), and the size and the structure of the two second planetary gears (8) are the same as those of the two first planetary gears (4).