阅读说明：本技术 一种可实现齿侧间隙自动调整的移动基圆变齿厚行星齿轮机构 (Movable base circle variable-tooth-thickness planetary gear mechanism capable of achieving automatic adjustment of tooth side clearance ) 是由 李刚 毛汉成 于广滨 亓士元 于 2020-07-09 设计创作，主要内容包括：本发明公开了一种可实现齿侧间隙自动调整的移动基圆变齿厚行星齿轮机构,包括润滑机构、底板和定位孔,所述底板的顶端均匀固定连接有安装轴,且安装轴的外壁均固定连接有行星齿轮,所述行星齿轮的上方固定连接有行星架,所述行星架的内壁固定连接有润滑机构,所述行星齿轮的外侧固定连接有内齿轮,所述行星齿轮的内侧转动连接有太阳齿轮,所述太阳齿轮的内侧转动连接有中心轴。本发明通过太阳齿轮的齿块挤压封块,第一复位弹簧被挤压变形,封块向内侧移动,与油盒之间存在缝隙,润滑油通过通孔进入到固定架内,再通过缝隙流出,实现持续润滑,润滑效果好。(The invention discloses a movable base circle variable tooth thickness planetary gear mechanism capable of realizing automatic adjustment of tooth side clearance, which comprises a lubricating mechanism, a bottom plate and a positioning hole, wherein the top end of the bottom plate is uniformly and fixedly connected with an installation shaft, the outer wall of the installation shaft is fixedly connected with a planetary gear, a planetary carrier is fixedly connected above the planetary gear, the inner wall of the planetary carrier is fixedly connected with the lubricating mechanism, the outer side of the planetary gear is fixedly connected with an internal gear, the inner side of the planetary gear is rotatably connected with a sun gear, and the inner side of the sun gear is rotatably connected with a central shaft. According to the invention, the sealing block is extruded by the tooth block of the sun gear, the first return spring is extruded and deformed, the sealing block moves inwards, a gap exists between the sealing block and the oil box, lubricating oil enters the fixed frame through the through hole and flows out through the gap, continuous lubrication is realized, and the lubricating effect is good.)

1. The utility model provides a can realize that tooth side clearance automatic adjustment's removal base circle becomes tooth thickness planetary gear mechanism, includes lubricated mechanism (1), bottom plate (14) and locating hole (19), its characterized in that: the utility model discloses a planetary gear set, including bottom plate (14), the even fixedly connected with in top of bottom plate (14) installation axle (10), and the equal fixedly connected with planetary gear (7) of outer wall of installation axle (10), the top fixedly connected with planet carrier (5) of planetary gear (7), the inner wall fixedly connected with lubricating mechanism (1) of planet carrier (5), the outside fixedly connected with internal gear (9) of planetary gear (7), the inboard rotation of planetary gear (7) is connected with sun gear (8), the inboard rotation of sun gear (8) is connected with center pin (15).

2. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the lubricating mechanism is characterized in that a through hole (101), a first reset spring (102), a seal block (103), a fixing frame (104) and an oil box (105) are sequentially arranged inside the lubricating mechanism (1), the oil box (105) is fixedly connected to the inner wall of the planet carrier (5), the fixing frame (104) is fixedly connected to the inner wall of the oil box (105), the through hole (101) is formed in the outer wall of each of two sides of the fixing frame (104), the first reset spring (102) is uniformly and fixedly connected to the inner wall of the fixing frame (104), and the seal block (103) is fixedly connected to the top end of the first reset spring (102).

3. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the top of planet carrier (5) evenly is provided with mounting hole (2), the top of installation axle (10) all runs through mounting hole (2) and extends to the top of planet carrier (5).

4. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the outer wall fixedly connected with of sun gear (8) is fixed ring (11), and the both ends of fixed ring (11) outer wall all even fixedly connected with second reset spring (13), the equal fixedly connected with pinion (12) of one end of second reset spring (13).

5. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the equal fixedly connected with welding post (17) in top of installation axle (10) both sides bottom plate (14), and the top of welding post (17) all is provided with locating hole (19), the top of planet carrier (5) evenly is provided with spacing hole (4).

6. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 5, wherein: the inner side of the limiting hole (4) is connected with a positioning bolt (3) in a threaded manner, the bottom end of the positioning bolt (3) extends into the positioning hole (19), and a gasket (18) is fixedly connected to the outer wall of the positioning bolt (3) above the limiting hole (4).

7. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the outer wall of one side of the central shaft (15) is rotatably connected with a bearing (6), and the outer wall of the central shaft (15) of one side of the bearing (6) is fixedly connected with a flange (16).

8. The planetary gear mechanism with variable tooth thickness and movable base circle capable of realizing automatic adjustment of backlash according to claim 1, wherein: the working principle of the gear mechanism is as follows: when the device is used, firstly, the positioning bolt (3) penetrates through the limiting hole (4) and enters the positioning hole (19), the position of the planet gear (7) is positioned, the mounting position of the planet gear is accurate, the planet gear is fastened by rotating the positioning bolt (3), the planet carrier (5) is connected with the bottom plate (14), the sun gear (8) is driven to rotate through the central shaft (15), and the tooth blocks are meshed, so that the planet gear (7) simultaneously performs circumferential rotation;

then, through the rotation of the sun gear (8), the tooth block of the sun gear (8) extrudes the sealing block (103), the first return spring (102) is extruded and deformed, the sealing block (103) moves towards the inner side, a gap exists between the sealing block and the oil box (105), lubricating oil enters the fixing frame (104) through the through hole (101) and flows out through the gap, continuous lubrication is achieved, and the lubricating effect is good;

and finally, the auxiliary gear (2) and the planetary gear (7) are always meshed and rotated through the flexibility of the second return spring (13), so that the gear backlash is automatically adjusted, and the gear backlash can be timely filled after being worn.

Technical Field

The invention relates to the technical field of power transmission devices for transmissions, in particular to a movable base circle variable-tooth-thickness planetary gear mechanism capable of automatically adjusting tooth side clearances.

Background

The reducer is an indispensable transmission component in the mechanical industry. The gear type can be divided into a reducer such as a straight gear, a helical gear, a planetary gear and the like. Compared with a common fixed shaft reducer, the planetary gear reducer has the characteristics of large teaching capacity, large transmission ratio, small size, light weight, high efficiency and the like, and is widely applied to the fields of automobiles, hoisting, metallurgy, mines and the like. The planetary gears are in an internal meshing state with the inner gear ring, and the planetary gears rotate around the central shaft of the inner gear ring while rotating around the central shaft of the planetary gears.

With the continuous installation and use of the movable base circle variable tooth thickness planetary gear mechanism capable of realizing automatic adjustment of the backlash, the following problems are found in the use process:

1. in the process of daily use of some existing mobile base circle variable tooth thickness planetary gear mechanisms, automatic adjustment of tooth side gaps cannot be achieved, so that work of the mechanisms is affected, and after the mechanisms are worn, the mechanisms cannot be filled in time.

2. And the movable base circle variable tooth thickness planetary gear mechanism does not have a structure for mounting and positioning in the using process, so that the mounting position is not accurate, and time and labor are wasted.

3. In addition, the moving base circle variable-tooth-thickness planetary gear mechanism does not have the automatic lubricating function in the using process, and the friction force of lubricating oil between gears is not increased to influence the rotating speed.

Therefore, it is necessary to design a planetary gear mechanism with a variable tooth thickness and a movable base circle, which can realize automatic adjustment of the backlash.

Disclosure of Invention

The invention aims to provide a movable base circle variable tooth thickness planetary gear mechanism capable of realizing automatic adjustment of a tooth side gap, and aims to solve the problems that the conventional movable base circle variable tooth thickness planetary gear mechanism capable of realizing automatic adjustment of the tooth side gap does not have automatic adjustment of the tooth side gap, installation positioning and automatic lubrication in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can realize that backlash automatic adjustment's removal base circle becomes tooth thickness planetary gear mechanism, includes lubricated mechanism, bottom plate and locating hole, the even fixedly connected with installation axle in top of bottom plate, and the equal fixedly connected with planetary gear of outer wall of installation axle, planetary gear's top fixedly connected with planet carrier, the inner wall fixedly connected with lubricated mechanism of planet carrier, planetary gear's outside fixedly connected with internal gear, planetary gear's inboard rotation is connected with sun gear, sun gear's inboard rotation is connected with the center pin.

Preferably, lubricating mechanism's inside has set gradually through-hole, first reset spring, seal piece, mount and oil box, oil box fixed connection is in the inner wall of planet carrier, the inner wall fixedly connected with mount of oil box, and the both sides outer wall of mount all is provided with the through-hole, the even first reset spring of fixedly connected with of inner wall of mount, and first reset spring's top fixedly connected with seal piece.

Preferably, the top of planet carrier evenly is provided with the mounting hole, the top of installation axle all runs through the mounting hole and extends to the top of planet carrier.

Preferably, the outer wall of the sun gear is fixedly connected with a fixing ring, the two ends of the outer wall of the fixing ring are uniformly and fixedly connected with second return springs, and one end of each second return spring is fixedly connected with an auxiliary gear.

Preferably, the equal fixedly connected with welding post in top of installation axle both sides bottom plate, and the top of welding post all is provided with the locating hole, the top of planet carrier evenly is provided with spacing hole, and the equal threaded connection in inboard in spacing hole has positioning bolt, positioning bolt's bottom all extends to the inside of locating hole, the equal fixedly connected with gasket of outer wall of spacing hole top positioning bolt.

Preferably, the outer wall of one side of the central shaft is rotatably connected with a bearing, and the outer wall of the central shaft of one side of the bearing is fixedly connected with a flange.

Compared with the prior art, the invention has the beneficial effects that: this can realize thick planetary gear mechanism of removal base circle variable tooth of flank clearance automatic adjustment is rational in infrastructure, has following advantage:

(1) the planet carrier is connected with the bottom plate by installing the positioning bolt, the planet carrier, the planet gear, the bottom plate, the positioning hole and the limiting hole, penetrating the positioning bolt into the positioning hole through the limiting hole and then fastening the positioning bolt by rotating the positioning bolt, so that the position of the planet gear is positioned and the installation position of the planet gear is accurate;

(2) the sealing block is extruded by the tooth block of the sun gear through the arrangement of the sun gear, the oil box, the through hole, the fixing frame, the first return spring and the sealing block, the first return spring is extruded and deformed, the sealing block moves towards the inner side, a gap exists between the sealing block and the oil box, lubricating oil enters the fixing frame through the through hole and flows out through the gap, continuous lubrication is achieved, and the lubricating effect is good;

(3) through installing second reset spring, planetary gear and pinion, through second reset spring's elasticity, meshing rotation is carried out all the time between messenger pinion and the planetary gear to realize adjusting the flank clearance automatically, and the back of wearing and tearing, can in time fill.

Drawings

FIG. 1 is a schematic structural diagram of the mechanism of the present invention in a front view;

FIG. 2 is a schematic view of a pinion gear of the present invention;

FIG. 3 is a schematic structural diagram of the mechanism of the present invention in side view;

FIG. 4 is a schematic view of a positioning bolt according to the present invention;

fig. 5 is a schematic structural diagram of the lubricating mechanism of the present invention.

In the figure: 1. a lubrication mechanism; 101. a through hole; 102. a first return spring; 103. sealing blocks; 104. a fixed mount; 105. an oil box; 2. mounting holes; 3. positioning the bolt; 4. a limiting hole; 5. a planet carrier; 6. a bearing; 7. a planetary gear; 8. a sun gear; 9. an internal gear; 10. installing a shaft; 11. a fixing ring; 12. a pinion gear; 13. a second return spring; 14. a base plate; 15. a central shaft; 16. a flange; 17. welding the column; 18. a gasket; 19. and (7) positioning the holes.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a movable base circle variable tooth thickness planetary gear mechanism capable of achieving automatic adjustment of tooth side clearance comprises a lubricating mechanism 1, a bottom plate 14 and a positioning hole 19, wherein the top end of the bottom plate 14 is uniformly and fixedly connected with an installation shaft 10, the outer wall of the installation shaft 10 is fixedly connected with a planetary gear 7, and a planet carrier 5 is fixedly connected above the planetary gear 7;

mounting holes 2 are uniformly formed in the top end of the planet carrier 5, and the top end of the mounting shaft 10 penetrates through the mounting holes 2 and extends to the upper side of the planet carrier 5;

specifically, as shown in fig. 1, when the structure is used, the planet gear 7 is driven to rotate through the mounting shaft 10, the mounting shaft 10 is fixed by being mounted in the mounting hole 2, and positioning can be performed during mounting;

the top ends of the bottom plates 14 on two sides of the mounting shaft 10 are fixedly connected with welding columns 17, positioning holes 19 are formed in the top ends of the welding columns 17, limiting holes 4 are uniformly formed in the top end of the planet carrier 5, positioning bolts 3 are in threaded connection with the inner sides of the limiting holes 4, the bottom ends of the positioning bolts 3 extend into the positioning holes 19, and gaskets 18 are fixedly connected to the outer walls of the positioning bolts 3 above the limiting holes 4;

specifically, as shown in fig. 1 and 4, when the structure is used, the positioning bolt 3 penetrates through the limiting hole 4 and enters the positioning hole 19, so that the position of the planet gear 7 is positioned, the mounting position of the planet gear is accurate, and the planet carrier 5 is connected with the bottom plate 14 by rotating the positioning bolt 3 to fasten the planet gear;

the inner wall of the planet carrier 5 is fixedly connected with a lubricating mechanism 1;

the lubricating mechanism 1 is internally provided with a through hole 101, a first reset spring 102, a sealing block 103, a fixing frame 104 and an oil box 105 in sequence, the oil box 105 is fixedly connected to the inner wall of the planet carrier 5, the inner wall of the oil box 105 is fixedly connected with the fixing frame 104, the outer walls of the two sides of the fixing frame 104 are provided with the through hole 101, the inner wall of the fixing frame 104 is uniformly and fixedly connected with the first reset spring 102, and the top end of the first reset spring 102 is fixedly connected with the sealing block 103;

specifically, as shown in fig. 1 and 5, when the structure is used, the seal block 103 is pressed by the tooth block, the first return spring 102 is pressed and deformed, the seal block 103 moves inward, a gap exists between the seal block and the oil box 105, lubricating oil enters the fixing frame 104 through the through hole 101 and flows out through the gap, continuous lubrication is realized, and the lubricating effect is good;

an internal gear 9 is fixedly connected to the outer side of the planetary gear 7, a sun gear 8 is rotatably connected to the inner side of the planetary gear 7, and a central shaft 15 is rotatably connected to the inner side of the sun gear 8;

the outer wall of one side of the central shaft 15 is rotatably connected with a bearing 6, and the outer wall of the central shaft 15 of one side of the bearing 6 is fixedly connected with a flange 16;

specifically, as shown in fig. 3, when the structure is used, the bearing 6 drives the flange 16 to rotate simultaneously, and the flange performs a sealing function;

the outer wall of the sun gear 8 is fixedly connected with a fixing ring 11, two ends of the outer wall of the fixing ring 11 are uniformly and fixedly connected with second return springs 13, and one ends of the second return springs 13 are fixedly connected with auxiliary gears 12;

specifically, as shown in fig. 2, when the structure is used, the secondary gear 12 and the planetary gear 7 are always engaged and rotated by the elasticity of the second return spring 13, so that the backlash is automatically adjusted, and the gear can be timely filled after being worn.

The working principle is as follows: when the device is used, firstly, the positioning bolt 3 penetrates through the limiting hole 4 and enters the positioning hole 19, so that the position of the planet gear 7 is positioned, the mounting position of the planet gear is accurate, then the planet gear 5 is fastened by rotating the positioning bolt 3, the connection between the planet carrier 5 and the bottom plate 14 is realized, the sun gear 8 is driven to rotate through the central shaft 15, and the tooth blocks are meshed, so that the planet gear 7 simultaneously performs circumferential rotation;

then, through the rotation of the sun gear 8, the tooth block of the sun gear 8 extrudes the sealing block 103, the first return spring 102 is extruded and deformed, the sealing block 103 moves inwards, a gap exists between the sealing block 103 and the oil box 105, lubricating oil enters the fixing frame 104 through the through hole 101 and flows out through the gap, continuous lubrication is realized, and the lubricating effect is good;

finally, the secondary gear 12 and the planetary gear 7 are always meshed and rotated through the flexibility of the second return spring 13, so that the backlash is automatically adjusted, and the gear can be timely filled after being worn.

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.