CN111717269A

CN111717269A - Planetary gear reducer for vehicle steering device

Info

Publication number: CN111717269A
Application number: CN202010637721.9A
Authority: CN
Inventors: 钱伟; 张爱琴; 王艳; 印建兵
Original assignee: Jiangsu Shenglite Machinery Co ltd
Current assignee: Jiangsu Shenglite Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-09-29

Abstract

The invention discloses a planetary gear reducer for a vehicle steering device, which comprises an outer rotating shaft, wherein the inner rotating shaft is movably connected inside the outer rotating shaft, the outer surface of the outer rotating shaft is fixedly connected with a positioning ring, the outer surface of the inner rotating shaft is sleeved with a planetary gear, the outer surface of the planetary gear is meshed with a rotating planetary gear, the outer part of the outer rotating shaft is sleeved with symmetrical protective shells, and the left side surface and the right side surface of each of the two protective shells are fixedly connected with a first fixed block. This a planetary gear reducer for vehicle turns to device dismantles the protecting crust through the cooperation of set bolt and nut, improves the efficiency of dismantling, separates draw-in groove and fixture block through the handle, has reached the effect of dismantling this reduction gear fast, has reduced staff's trouble, improves maintenance personal's work efficiency, can avoid the navigating mate to take place the slippage when turning to through the antiskid cover, improves navigating mate's security.

Description

Planetary gear reducer for vehicle steering device

Technical Field

The invention belongs to the technical field of speed reducers, and particularly relates to a planetary gear speed reducer for a vehicle steering device.

Background

The speed reducer is used as an important part of mechanical transmission and widely applied to industries such as robots, automobiles and the like, the conventional multistage speed reducer is provided with a plurality of central transmission shafts which are connected end to end, a planet carrier is sleeved on the central transmission shafts, the coaxiality of the central transmission shafts is ensured, each speed reducer is provided with a speed reducer, the speed reducer is an independent part consisting of gear transmission, worm transmission and gear and worm transmission which are enclosed in a rigid shell, the speed reducer is commonly used as a speed reduction transmission device between a prime mover and a working machine and has the functions of matching rotating speed and transmitting torque between the prime mover and the working machine or an execution mechanism, most of the conventional vehicle steering devices are provided with a planetary gear speed reducer which is an integral body, and the planetary gear speed reducer needs to be disassembled and maintained under the condition that one part is damaged, and most of the conventional planetary gear speed reducer is fixedly connected, the planet gear reducer is inconvenient for workers to disassemble, so that the workers are troubled, the working efficiency of maintenance personnel is reduced, and the planet gear reducer for the vehicle steering device is provided for solving the problems.

Disclosure of Invention

The invention provides a steering device for a vehicle, which aims to solve the problems that most of the existing steering devices for the vehicle are provided with a planetary gear reducer, but the planetary gear reducer is an integral body, and needs to be disassembled and maintained under the condition that one part is damaged, and the existing planetary gear reducer is mostly fixedly connected, so that workers are inconvenient to disassemble, troubles are caused for people, and the working efficiency of the maintenance personnel is reduced.

The invention is realized in such a way that a planetary gear reducer for a vehicle steering device comprises an outer rotating shaft, wherein the inner rotating shaft is movably connected inside the outer rotating shaft, the outer surface of the outer rotating shaft is fixedly connected with a positioning ring, the outer surface of the inner rotating shaft is sleeved with a planetary gear, the outer surface of the planetary gear is meshed with a rotating planetary gear, the outer part of the outer rotating shaft is sleeved with symmetrical protective shells, the left side surface and the right side surface of each protective shell are fixedly connected with first fixed blocks, the left side surface and the right side surface of each protective shell are fixedly connected with second fixed blocks, the front surface of each first fixed block and the front surface of each second fixed block are respectively provided with a first through hole and a second through hole, a fixing bolt is clamped inside each first through hole, the back surface of each fixing bolt sequentially penetrates through the first through hole and the second through hole and extends to, the outer surface of the fixing bolt is in threaded connection with a nut, symmetrical clamping grooves are formed in the outer surface of the outer rotating shaft, the upper surface of the protective shell is fixedly connected with symmetrical fixing plates, two fixing plates are fixedly connected with clamping blocks on one side face, close to each other, of the fixing plates, the clamping blocks are clamped in the clamping grooves, the upper surface of the inner rotating shaft is fixedly connected with a fixing disc, the outer surface of the fixing disc is fixedly connected with a connecting rod, and the connecting rod is far away from one end of a rotating disc fixedly connected with the rotating disc.

Furthermore, the signs are placed on the front face of the protective shell and the back face of the protective shell, one side face, close to each other, of each sign is fixedly connected with the outer surface of the protective shell, each sign is in a triangular shape, and each sign is located in the middle of the front face of the protective shell.

Further, symmetrical fluorescent strips, two are placed on the front of protecting crust the back of fluorescent strip all with the front fixed connection of protecting crust, the fluorescent strip is rectangle form.

Further, two the equal fixedly connected with handle in a side that the fixed plate kept away from each other, the diameter of handle is one centimetre at least, the surface cover of handle is equipped with the rubber sleeve, anti-skidding line has been seted up to the surface of rubber sleeve.

Further, radiating holes which are arranged equidistantly are formed in the upper surface of the protective shell and the bottom surface of the protective shell, the radiating holes are circular, and the radiating holes are located in the middle of the outer surface of the protective shell.

Further, the label has been placed to the upper surface of fixed disk, the bottom surface of label and the upper surface fixed connection of fixed disk, the equal fixedly connected with bonding pad of the left and right sides face of label.

Further, the outer surface cover of rotary disk is equipped with anti-skidding cover, anti-skidding line has been seted up to the surface of anti-skidding cover, logical groove has been seted up to the inner circle of anti-skidding cover.

Compared with the prior art, the invention has the beneficial effects that: can make things convenient for maintenance personal to observe the model of this reduction gear through the sign, can make the quick reduction gear who finds the looks adaptation of staff, constitute planetary gear reduction gear through planet wheel and rotatory star gear, reach the effect of control steering speed, the cooperation through fixed bolt and nut is dismantled the protecting crust, improve the efficiency of dismantlement, separate draw-in groove and fixture block through the handle, the effect of dismantling this reduction gear fast has been reached, staff's trouble has been reduced, maintenance personal's work efficiency is improved, can avoid the driver to take place the slippage when turning to through the antiskid cover, improve driver's security, make things convenient for the problem when driver record turns to through the cooperation of label and adhesion sheet, maintenance in later stage provides convenience.

Drawings

FIG. 1 is a cross-sectional view of an elevation of an outer rotating shaft of the present invention;

FIG. 2 is a cross-sectional view of a top view of the protective housing of the present invention;

FIG. 3 is a top view of the planet of the present invention;

FIG. 4 is a cross-sectional view of a top view of the slip cover of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. an outer rotating shaft; 2. a protective shell; 3. positioning rings; 4. fixing the disc; 5. a connecting rod; 6. a through groove; 7. an anti-slip sleeve; 8. rotating the disc; 9. a planet wheel; 10. rotating the star wheel; 11. a first fixed block; 12. a second fixed block; 13. a first through hole; 14. a second through hole; 15. fixing the bolt; 16. a nut; 17. an inner rotating shaft; 18. a fixing plate; 19. a card slot; 20. a clamping block; 21. a handle; 22. a rubber sleeve; 23. a label; 24. sticking the sheet; 25. heat dissipation holes; 26. a label; 27. a fluorescent strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-6, a planetary gear reducer for a vehicle steering device comprises an outer rotating shaft 1, an inner rotating shaft 17 movably connected inside the outer rotating shaft 1, a locating ring 3 fixedly connected to the outer surface of the outer rotating shaft 1, a planetary wheel 9 sleeved on the outer surface of the inner rotating shaft 17, a rotary planetary wheel 10 meshed with the outer surface of the planetary wheel 9, symmetrical protective cases 2 sleeved outside the outer rotating shaft 1, first fixing blocks 11 fixedly connected to the left and right side surfaces of the two protective cases 2, second fixing blocks 12 fixedly connected to the left and right side surfaces of the two protective cases 2, a first through hole 13 and a second through hole 14 respectively formed in the front surface of the first fixing block 11 and the front surface of the second fixing block 12, a fixing bolt 15 clamped inside the first through hole 13, the back surface of the fixing bolt 15 sequentially penetrates through the first through hole 13 and the second through hole 14 and extends to the outside of the second through hole 14, the outer surface threaded connection of fixing bolt 15 has nut 16, symmetrical draw-in groove 19 has been seted up to the surface of outer rotation axis 1, the symmetrical fixed plate 18 of last fixed surface connection of protecting crust 2, the equal fixedly connected with fixture block 20 of a side that two fixed plates 18 are close to each other, fixture block 20 joint is in the inside of draw-in groove 19, the last fixed surface connection of internal rotation axle 17 has fixed disk 4, the outer fixed surface connection of fixed disk 4 has connecting rod 5, the one end fixedly connected with rotary disk 8 of fixed disk 4 is kept away from to connecting rod 5.

In the invention, the labels 26 are respectively placed on the front side of the protective shell 2 and the back side of the protective shell 2, one side surface of the two labels 26 close to each other is fixedly connected with the outer surface of the protective shell 2, the labels 26 are triangular, and the labels 26 are positioned in the middle part of the front side of the protective shell 2, so that maintenance personnel can conveniently observe the model of the speed reducer, and can quickly find the speed reducer matched with the maintenance personnel.

In the invention, symmetrical fluorescent strips 27 are arranged on the front surface of the protective shell 2, the back surfaces of the two fluorescent strips 27 are fixedly connected with the front surface of the protective shell 2, and the fluorescent strips 27 are rectangular, so that maintenance personnel can find the position of the speed reducer accurately at night conveniently, and troubles are reduced for the working personnel.

In the invention, the handles 21 are fixedly connected to the two sides of the fixing plates 18, which are far away from each other, the diameter of each handle 21 is at least one centimeter, the rubber sleeve 22 is sleeved on the outer surface of each handle 21, and the anti-skid lines are arranged on the outer surface of each rubber sleeve 22, so that a worker can conveniently disassemble the speed reducer, and the working efficiency of the worker is improved.

In the invention, the upper surface of the protective shell 2 and the bottom surface of the protective shell 2 are both provided with the radiating holes 25 which are arranged at equal intervals, the radiating holes 25 are circular, and the radiating holes 25 are positioned in the middle of the outer surface of the protective shell 2, thereby achieving the effect of radiating the inside of the protective shell 2 and improving the protection of the elements inside the protective shell 2.

In the invention, the label 23 is placed on the upper surface of the fixed disc 4, the bottom surface of the label 23 is fixedly connected with the upper surface of the fixed disc 4, and the left side surface and the right side surface of the label 23 are both fixedly connected with the adhesive sheets 24, so that a driver can conveniently record the steering problem, and convenience is provided for later maintenance.

In the invention, the outer surface of the rotating disk 8 is sleeved with the anti-slip sleeve 7, the outer surface of the anti-slip sleeve 7 is provided with the anti-slip threads, and the inner ring of the anti-slip sleeve 7 is provided with the through groove 6, so that the slipping of a driver in steering is avoided, and the safety of the driver is improved.

The working principle of the invention is as follows: during the use, through the rotation of outer rotation axis 1 of rotary disk 8 control and interior rotation axis 17, can make the vehicle turn to, when needs control steering speed, constitute planetary gear reducer through planet wheel 9 and rotatory star gear 10, when needs maintain this reduction gear and dismantle, dismantle protecting crust 2 through fixing bolt 15 and nut 16's cooperation, then separate draw-in groove 19 and fixture block 20 through handle 21, the effect of dismantling this reduction gear fast has been reached, dismantle protecting crust 2 the back, can make planet wheel 9 and rotatory star gear 10 expose, then dismantle planet wheel 9 and rotatory star gear 10.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A planetary gear reducer for a vehicle steering device, comprising an outer rotating shaft (1), characterized in that: the inside swing joint of outer rotation axis (1) has interior rotation axis (17), the outer fixed surface of outer rotation axis (1) is connected with position circle (3), the outer surface cover of interior rotation axis (17) is equipped with planet wheel (9), the outer surface meshing of planet wheel (9) has rotatory star wheel (10), the outside cover of outer rotation axis (1) is equipped with symmetrical protecting crust (2), two the first fixed block (11) of the equal fixedly connected with of left and right sides face of protecting crust (2), two the equal fixedly connected with second fixed block (12) of the left and right sides face of protecting crust (2), first through-hole (13) and second through-hole (14) have been seted up respectively in the front of first fixed block (11) and the front of second fixed block (12), the inside joint of first through-hole (13) has fixing bolt (15), the back of fixing bolt (15) runs through first through-hole (13) and second through-hole (14) in proper order and extends to first through-hole (14 The outside of two through-holes (14), the surface threaded connection of fixing bolt (15) has nut (16), symmetrical draw-in groove (19) have been seted up to the surface of external rotation axle (1), the last fixed surface of protecting crust (2) is connected with symmetrical fixed plate (18), two the equal fixedly connected with fixture block (20) in a side that fixed plate (18) are close to each other, fixture block (20) joint in the inside of draw-in groove (19), the last fixed surface of internal rotation axle (17) is connected with fixed disk (4), the surface fixedly connected with connecting rod (5) of fixed disk (4), the one end fixedly connected with rotary disk (8) of fixed disk (4) are kept away from in connecting rod (5).

2. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: sign (26) have all been placed, two to the front of protecting crust (2) and the back of protecting crust (2) the side that sign (26) are close to each other all is connected with the surface fixed connection of protecting crust (2), sign (26) are the triangle-shaped, sign (26) are located the positive mid portion of protecting crust (2).

3. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: symmetrical fluorescent strips (27) are placed on the front face of the protective shell (2), the back faces of the fluorescent strips (27) are fixedly connected with the front face of the protective shell (2), and the fluorescent strips (27) are rectangular.

4. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: two the equal fixedly connected with handle (21) in the side that fixed plate (18) kept away from each other, the diameter of handle (21) is one centimetre at least, the surface cover of handle (21) is equipped with rubber sleeve (22), anti-skidding line has been seted up to the surface of rubber sleeve (22).

5. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: the upper surface of protective housing (2) and the bottom surface of protective housing (2) all set up louvre (25) of equidistance range, louvre (25) are circular form, louvre (25) are located the middle part of protective housing (2) surface.

6. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: label (23) have been placed to the upper surface of fixed disk (4), the bottom surface of label (23) is connected with the upper surface fixed of fixed disk (4), the equal fixedly connected with adhesion patch (24) of the left and right sides face of label (23).

7. A planetary gear reducer for a vehicle steering device according to claim 1, characterized in that: the outer surface cover of rotary disk (8) is equipped with anti-skidding cover (7), anti-skidding line has been seted up to the surface of anti-skidding cover (7), logical groove (6) have been seted up to the inner circle of anti-skidding cover (7).