CN219242566U

CN219242566U - Precision planetary reducer

Info

Publication number: CN219242566U
Application number: CN202320294368.8U
Authority: CN
Inventors: 张亮
Original assignee: Tikmerman Guangdong Transmission Technology Co ltd
Current assignee: Tikmerman Guangdong Transmission Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-23
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a precise planetary reducer, which comprises a rear end shell, wherein one end of the rear end shell is fixedly provided with a front end shell, an inner gear is rotationally connected to the inner wall of the front end shell, a sun gear is rotationally connected to the central position inside the front end shell, planetary gears are rotationally connected to the inner parts of the front end shells on two sides of the sun gear, a liquid storage tank is arranged above the front end shell, an overflow pipe is arranged at the central position of the bottom of the liquid storage tank, a plug is arranged at the central position inside the overflow pipe, and a liquid seepage strip is arranged inside the plug. The utility model not only achieves the purpose of automatically lubricating the internal gear, the sun gear and the planetary gear, further ensures the transmission efficiency of the planetary reducer in use, but also can disassemble the liquid storage box, further improves the convenience of the planetary reducer in maintenance, and can reduce the number of the planetary gears, thereby reducing the manufacturing cost of the planetary reducer.

Description

Precision planetary reducer

Technical Field

The utility model relates to the technical field of planetary speed reducers, in particular to a precise planetary speed reducer.

Background

The planetary reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase output torque, can be used as a matching component for industries such as lifting, excavating, transporting, building and the like, belongs to a conveying mechanism, and can be well matched with a driving component for speed reduction transmission, so that the planetary reducer is widely applied.

The existing planetary reducer can perform speed reduction transmission better, is mainly provided with a reducer shell, a sun gear, a planetary gear, an inner gear, an output shaft and other parts, and specifically is connected with an external rotary driving piece, so that the sun gear is driven to rotate when the driving piece operates, and the planetary reducer and the inner gear drive the output shaft to slowly rotate in sequence, so that the purpose of speed reduction transmission is achieved.

Disclosure of Invention

The utility model aims to provide a precise planetary reducer, which solves the problems that although the planetary reducer can carry out speed reduction transmission in the prior art, the planetary reducer is generally inconvenient to lubricate various gears, so that the phenomenon of abrasion passivation is easy to generate after the planetary reducer is used for a long time, and the transmission efficiency is further influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a precision type planetary reducer, includes the rear end casing, the one end of rear end casing is fixed with the front end casing, rotate on the inner wall of front end casing and be connected with the internal gear, the inside central point of front end casing puts and rotates and be connected with the sun gear, the inside all rotation of front end casing of sun gear both sides is connected with the planetary gear, planetary gear respectively with sun gear and internal gear intermeshing, the top of front end casing is equipped with holds the liquid case, the central point department of holding liquid case bottom is equipped with the overflow pipe, the bottom of overflow pipe extends to the inside of front end casing, the inside central point department of overflow pipe is equipped with the end cap, the internally mounted of end cap has the oozing liquid strip, the both ends of oozing liquid strip all extend to the outside of end cap.

Preferably, one end of the front end shell far away from the rear end shell is movably connected with an output shaft so as to output and process the speed reduction driving force.

Preferably, the central position of the top end of the liquid storage tank is provided with a liquid injection port, and the bottom end of the liquid injection port extends to the inside of the liquid storage tank so as to inject lubricating liquid into the inside of the liquid storage tank.

Preferably, pin barrels are fixed at the top ends of the front end shells at two sides of the overflow pipe, and the pin barrels are symmetrical relative to the center line of the front end shells so as to carry out arrangement treatment on the pins.

Preferably, the pin is inserted into the pin cylinder, and the top end of the pin extends to the outside of the pin cylinder and is fixedly connected with the bottom end of the liquid storage tank so as to detach the liquid storage tank.

Preferably, a positioning ring is fixed on the outer wall of the pin barrel, which is close to one end of the pin post, so as to carry out positioning treatment on the threaded barrel.

Preferably, equidistant thread barrels are arranged on the outer wall of the positioning ring, and the included angle between adjacent thread barrels is one hundred twenty degrees so as to be convenient for arranging the threaded rod.

Preferably, the internal thread of the screw thread section of thick bamboo is connected with the threaded rod, the one end of threaded rod extends to the outside of screw thread section of thick bamboo and installs the spiral handle, the other end of threaded rod runs through the round pin section of thick bamboo and with the outer wall threaded connection of round pin post to the lower extreme of round pin post is detached to the outside of round pin section of thick bamboo.

Compared with the prior art, the utility model has the beneficial effects that: the precision planetary reducer not only achieves the purpose of automatically lubricating the inner gear, the sun gear and the planetary gear, further ensures the transmission efficiency when the planetary reducer is used, but also can disassemble the liquid storage box, further improves the convenience when the planetary reducer is maintained, and can reduce the number of the planetary gears, thereby reducing the manufacturing cost of the planetary reducer;

(1) The lubricating liquid is injected into the liquid storage tank through the liquid injection port, so that the lubricating liquid permeates into the liquid permeation strip and drops from the bottom of the liquid permeation strip to the outer wall of the internal gear, and the internal gear is meshed with the planetary gear and the sun gear, so that the lubricating liquid can be sequentially transmitted to the outer walls of the planetary gear and the sun gear, the purpose of automatically lubricating the internal gear, the sun gear and the planetary gear is achieved, the abrasion phenomenon of the internal gear, the sun gear and the planetary gear can be reduced, and the transmission efficiency of the planetary speed reducer in use is ensured;

(2) The screw rod is driven to rotate and slide in the threaded cylinder by rotating the screw handle, so that one end of the screw rod is screwed out of the pin, and the liquid storage box is pulled upwards at the moment, so that the lower end of the pin is detached out of the pin cylinder, and the liquid storage box can be detached, so that the convenience of maintenance of the planetary reducer is improved;

(3) Two groups of planetary gears are rotatably connected to two sides of the sun gear, so that the sun gear drives the planetary gears to slowly rotate when rotating, the two groups of planetary gears drive the inner gear to slowly rotate, and compared with a transmission mode that three groups of planetary gears are arranged in a part of traditional planetary speed reducers, the number of the planetary gears can be reduced on the premise that stable speed reduction transmission of the planetary speed reducers is ensured, and therefore the manufacturing cost of the planetary speed reducers is reduced.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of a side view of the present utility model;

FIG. 3 is a schematic side view of a front end housing of the present utility model;

FIG. 4 is a schematic top view of a cross-sectional structure of a pin according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a rear end housing; 2. a front end housing; 3. an output shaft; 4. a liquid storage tank; 5. a liquid injection port; 6. an overflow pipe; 7. a pin; 8. a pin barrel; 9. a positioning ring; 10. an internal gear; 11. a sun gear; 12. a planetary gear; 13. a thread cylinder; 14. a threaded rod; 15. a rotary handle; 16. a plug; 17. and (5) a seepage strip.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the precise planetary reducer comprises a rear end shell 1, wherein a front end shell 2 is fixed at one end of the rear end shell 1, and an output shaft 3 is movably connected at one end, far away from the rear end shell 1, of the front end shell 2;

when in use, the output shaft 3 is movably arranged at one end of the front end shell 2 so as to output and process the speed reduction transmission force;

an inner gear 10 is rotationally connected to the inner wall of the front end shell 2, a sun gear 11 is rotationally connected to the center position inside the front end shell 2, planetary gears 12 are rotationally connected to the inner parts of the front end shell 2 on two sides of the sun gear 11, and the planetary gears 12 are respectively meshed with the sun gear 11 and the inner gear 10;

a liquid storage tank 4 is arranged above the front end shell 2, a liquid injection port 5 is arranged at the center position of the top end of the liquid storage tank 4, and the bottom end of the liquid injection port 5 extends to the inside of the liquid storage tank 4;

in use, the lubrication liquid is injected into the liquid storage tank 4 by opening the liquid injection port 5;

an overflow pipe 6 is arranged at the central position of the bottom of the liquid storage tank 4, the bottom end of the overflow pipe 6 extends into the front end shell 2, pin barrels 8 are fixed at the top ends of the front end shells 2 on two sides of the overflow pipe 6, and the pin barrels 8 are symmetrical with respect to the central line of the front end shells 2;

in use, the pin cylinders 8 are symmetrically arranged at the top end of the front end shell 2 so as to carry out arrangement treatment on the pin posts 7;

the pin column 7 is inserted into the pin cylinder 8, and the top end of the pin column 7 extends to the outside of the pin cylinder 8 and is fixedly connected with the bottom end of the liquid storage tank 4;

when in use, the lower end of the pin 7 is detached to the outside of the pin cylinder 8 so as to detach the liquid storage tank 4;

a positioning ring 9 is fixed on the outer wall of the pin cylinder 8, which is close to one end of the pin column 7;

in use, the positioning ring 9 is arranged on the outer wall of the pin barrel 8 so as to carry out arrangement treatment on the threaded barrel 13;

equidistant thread barrels 13 are arranged on the outer wall of the positioning ring 9, and the included angle between adjacent thread barrels 13 is one hundred twenty degrees;

in use, the threaded rod 14 is arranged by arranging the threaded cylinder 13 on the outer wall of the positioning ring 9;

the inside of the threaded cylinder 13 is in threaded connection with a threaded rod 14, one end of the threaded rod 14 extends to the outside of the threaded cylinder 13 and is provided with a rotary handle 15, and the other end of the threaded rod 14 penetrates through the pin cylinder 8 and is in threaded connection with the outer wall of the pin 7;

in use, the lower end of the pin 7 is detached to the outside of the pin barrel 8 by screwing one end of the threaded rod 14 out of the pin 7;

a plug 16 is arranged at the central position inside the overflow pipe 6, a liquid seepage strip 17 is arranged inside the plug 16, and two ends of the liquid seepage strip 17 extend to the outside of the plug 16.

When the planetary gear box is used, firstly, through the setting of rear end casing 1 and front end casing 2 integral type together, and with the swing joint of internal gear 10 integral type in the inner wall of front end casing 2, with the overall structure intensity and the wear resistance of promotion planetary reducer, so that it reaches accurate driven purpose, the both sides that the rethread is located sun gear 11 rotate and are connected with two sets of planetary gears 12, because of the diameter of sun gear 11 is less than the diameter of planetary gear 12, drive planetary gear 12 slow rotation when making sun gear 11 rotatory, and make two sets of planetary gears 12 drive internal gear 10 slow rotation, can effectively reduce the setting quantity of planetary gear 12, afterwards through rotatory knob 15, make it drive threaded rod 14 be located the inside rotation of screw thread section of thick bamboo 13 and slide, so that the one end of threaded rod 14 screws out to the outside of round pin section of thick bamboo 7, upwards pulling liquid storage box 4 this moment, make the lower extreme of round pin 7 leave the outside of round pin section of thick bamboo 8, can dismantle liquid storage box 4, the maintenance, pour into the inside of liquid storage box 4 into through annotating liquid mouth 5, make the inside of liquid storage box 4, make the sun gear 11 drive the slow rotation of internal gear 10, can effectively reduce the setting up the quantity of planetary gear 12, afterwards through rotatory ring gear 15, make the internal gear 17, and the outer wall of the external wall of the planetary gear 17 can be cooled down, the automatic transmission of the external wall of the external gear 17, can be accomplished, the automatic transmission of the external gear 17, this device can be accomplished, and the automatic transmission of the external gear 17, and the external gear drop phenomenon can be accomplished.

Claims

1. The utility model provides a precision type planetary reducer, its characterized in that, including rear end casing (1), the one end of rear end casing (1) is fixed with front end casing (2), rotate on the inner wall of front end casing (2) and be connected with internal gear (10), the inside central point department of front end casing (2) rotates and is connected with sun gear (11), the inside all rotation of front end casing (2) of sun gear (11) both sides is connected with planetary gear (12), planetary gear (12) respectively with sun gear (11) and internal gear (10) intermeshing, the top of front end casing (2) is equipped with holds liquid case (4), the central point department of holding liquid case (4) bottom is equipped with overflow pipe (6), the inside that the bottom of overflow pipe (6) extends to front end casing (2), the inside central point department of overflow pipe (6) is equipped with end cap (16), the internally mounted of end cap (16) oozes liquid strip (17), the both ends of oozes liquid strip (17) all extend to the outside of end cap (16).

2. The precision planetary reducer according to claim 1, characterized in that: one end of the front end shell (2) far away from the rear end shell (1) is movably connected with an output shaft (3).

3. The precision planetary reducer according to claim 1, characterized in that: the center position department on hold liquid case (4) top is equipped with annotates liquid mouth (5), annotate the inside that the bottom of liquid mouth (5) extends to hold liquid case (4).

4. The precision planetary reducer according to claim 1, characterized in that: the top ends of the front end shells (2) on two sides of the overflow pipe (6) are both fixed with pin barrels (8), and the pin barrels (8) are symmetrical relative to the center line of the front end shells (2).

5. The precision planetary reducer according to claim 4, characterized in that: the inside of round pin section of thick bamboo (8) is pegged graft and is had round pin post (7), the top of round pin post (7) extends to the outside of round pin section of thick bamboo (8) and with the bottom fixed connection of holding liquid case (4).

6. The precision planetary reducer according to claim 5, characterized in that: and a positioning ring (9) is fixed on the outer wall of the pin cylinder (8) close to one end of the pin column (7).

7. The precision planetary reducer according to claim 6, characterized in that: equidistant thread barrels (13) are arranged on the outer wall of the positioning ring (9), and the included angle between adjacent thread barrels (13) is one hundred twenty degrees.

8. The precision planetary reducer according to claim 7, characterized in that: the inside threaded connection of screw thread section of thick bamboo (13) has threaded rod (14), the one end of threaded rod (14) extends to the outside of screw thread section of thick bamboo (13) and installs spiral handle (15), the other end of threaded rod (14) runs through round pin section of thick bamboo (8) and with the outer wall threaded connection of round pin post (7).