CN210397673U

CN210397673U - Anti-loosening positioning mechanism for planetary gear shaft

Info

Publication number: CN210397673U
Application number: CN201921018189.1U
Authority: CN
Inventors: 盛英
Original assignee: Hefei Ruijin Machinery Co Ltd
Current assignee: Hefei Ruijin Machinery Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-24
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a be used for locking positioning mechanism that moves of planet wheel axle, including the planet wheel body, the upper end surface of planet wheel body is provided with the roof, the upper end surface of roof runs through and is provided with the shaft, the upper end of shaft is provided with spacing top dish, the fixed block between the lower extreme surface of spacing top dish and the upper end surface of roof, the fixed block inboard is provided with the inside lining semi-ring, be filled with the elasticity glue film between inside lining semi-ring and the fixed block, the upper end surface of fixed block has been seted up and has been hidden into and inlay the mouth, it runs through and is provided with fastening bolt to hide into to inlay mouthful inboard. The utility model relates to a be used for the locking positioning mechanism that moves of planet wheel axle when slight wearing and tearing, still can possess better locate function, is favorable to the normal work of planet wheel body, and whole location structure's change process is comparatively convenient, has avoided the whole material waste of scrapping the bringing simultaneously.

Description

Anti-loosening positioning mechanism for planetary gear shaft

Technical Field

The utility model relates to a planet wheel axle connection structure field, in particular to be used for the locking positioning mechanism that moves of planet wheel axle.

Background

The planet gears are gear systems which can rotate around the rotating shaft of the planet gears like fixed shaft gears, and the rotating shafts of the planet gears rotate around the axes of other gears along with a planet carrier, so that the planet gears close to the periphery need to rotate along the shaft, but wear can be generated in the rotating process, and the wheel shaft can be loosened after a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a be used for the locking positioning mechanism that moves of planet wheel axle can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a be used for locking positioning mechanism that moves of planet wheel axle, includes the planet wheel body, the upper end surface of planet wheel body is provided with the roof, the upper end surface of roof runs through and is provided with the shaft, the upper end of shaft is provided with spacing top dish, fixed block between the lower extreme surface of spacing top dish and the upper end surface of roof, the fixed block inboard is provided with inside lining semi-ring, be filled with the elastic glue layer between inside lining semi-ring and the fixed block, the upper end surface of fixed block has been seted up and has been hidden into and inlay the mouth, it is provided with fastening bolt to hide into to inlay mouthful inboard to run through, the inside of fixed block corresponds fastening bolt's department of running through and has been seted up first screw, the upper end surface of.

Preferably, the outer surface of the lower end of the planetary wheel body is provided with a bottom plate, the bottom plate and the top plate are symmetrically arranged on the outer surfaces of the upper end and the lower end of the planetary wheel body, and the top plate and the bottom plate are fixedly connected with the planetary wheel body.

Preferably, the wheel shafts are movably connected with the top plate, the lower ends of the wheel shafts are provided with planetary gears, the planetary gears are fixedly connected with the wheel shafts, the number of the wheel shafts and the number of the planetary gears are three, and the wheel shafts and the planetary gears are arranged in an annular array.

Preferably, the fixed block and the lining half rings are symmetrically arranged on two sides of the wheel shaft, a gap of one to one point and five millimeters is reserved between the ports of the two sets of lining half rings, the elastic adhesive layer is fixedly connected with the fixed block, and the elastic adhesive layer is movably connected with the lining half rings.

Preferably, the limit top disc is fixedly connected with the wheel shaft, the lining half ring is in a semicircular ring shape, the upper end of the lining half ring is connected with the vertical bend, the outer surface of the upper end of the lining half ring is in movable contact with the outer surface of the lower end of the limit top disc, and the outer surface of the lower end of the lining half ring is in movable contact with the outer surface of the upper end of the top plate.

Preferably, the fastening bolt is in threaded connection with the first screw hole and the second screw hole, the fastening bolt penetrates through the inside of the fixing block and the outer surface of the upper end of the top plate, and the fixing block is fixedly connected with the top plate through the fastening bolt.

Compared with the prior art, the utility model discloses following beneficial effect has: the anti-loosening positioning mechanism for the planet wheel shaft is provided with the elastic glue layer and the lining semi-ring, when the inner side of the lining semi-ring is abraded by long-term rotation of the wheel shaft, the elastic glue layer always has an elastic function on the lining semi-ring, so that the lining semi-ring is firmly abutted against the outer surface of the wheel shaft to fill up a gap caused by abrasion, when slight abrasion is caused, a good positioning function can still be realized, the normal work of the planet wheel body is facilitated, through the arrangement of the fixing block, the fastening bolt and the lining semi-ring, when the lining semi-ring is abraded too seriously and needs to be replaced after long-term use, the fastening bolt is screwed off to screw out the fastening bolt from the inner sides of the first screw hole and the second screw hole, the fixing block can be taken off, the lining of the semi-ring is taken off for replacement, then the fixing block and other components are, the whole positioning structure is convenient to replace, and meanwhile, material waste caused by whole scrapping is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of a planetary gear shaft anti-loosening positioning mechanism of the present invention;

fig. 2 is a partial sectional view of the anti-loosening positioning mechanism for the planet wheel shaft of the present invention;

fig. 3 is an enlarged view of a in fig. 2 for the planet wheel shaft anti-loosening positioning mechanism of the present invention;

fig. 4 is a structural diagram of the fixing block for the planet wheel shaft anti-loosening positioning mechanism of the present invention.

In the figure: 1. a planetary wheel body; 2. a base plate; 3. a top plate; 4. a wheel axle; 5. a planetary gear; 6. a limiting top disc; 7. a fixed block; 8. a lining half ring; 9. an elastic glue layer; 10. hiding the embedding opening; 11. fastening a bolt; 12. a first screw hole; 13. and a second screw hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, a locking positioning mechanism for a planetary gear shaft comprises a planetary gear body 1, a top plate 3 is arranged on the outer surface of the upper end of the planetary gear body 1, a wheel shaft 4 penetrates through the outer surface of the upper end of the top plate 3, a limiting top plate 6 is arranged at the upper end of the wheel shaft 4, a fixed block 7 is arranged between the outer surface of the lower end of the limiting top plate 6 and the outer surface of the upper end of the top plate 3, an inner lining half ring 8 is arranged on the inner side of the fixed block 7, an elastic glue layer 9 is filled between the inner lining half ring 8 and the fixed block 7, an embedding opening 10 is formed in the outer surface of the upper end of the fixed block 7, a fastening bolt 11 penetrates through the embedding opening 10, a first screw hole 12 is formed in the fixed block 7 corresponding to a.

The bottom plate 2 is arranged on the outer surface of the lower end of the planetary wheel body 1, the bottom plate 2 and the top plate 3 are symmetrically arranged on the outer surfaces of the upper end and the lower end of the planetary wheel body 1, and the top plate 3 and the bottom plate 2 are fixedly connected with the planetary wheel body 1, so that the stability of the whole structure is ensured; the wheel shafts 4 are movably connected with the top plate 3, the lower ends of the wheel shafts 4 are provided with planetary gears 5 for rotation, the planetary gears 5 are fixedly connected with the wheel shafts 4 to ensure that the wheel shafts 4 can be driven to rotate, the number of the wheel shafts 4 and the planetary gears 5 is three, and the wheel shafts 4 and the planetary gears 5 are arranged in an annular array; the fixed block 7 and the lining semi-rings 8 are symmetrically arranged on two sides of the wheel shaft 4, a gap of one to five millimeters is reserved between the ports of the two sets of lining semi-rings 8, the gap is used for providing a moving space when the lining semi-rings 8 are extruded by the elastic glue layer 9 after being worn, the elastic glue layer 9 is fixedly connected with the fixed block 7, the elastic glue layer 9 is movably connected with the lining semi-rings 8, and the lining semi-rings 8 can be conveniently taken down; the limiting top disc 6 is fixedly connected with the wheel shaft 4, the lining half ring 8 is in a semicircular shape, the upper end of the lining half ring 8 is connected with a vertical bend, in order to ensure that the upper end of the lining half ring 8 abuts against the limiting top disc 6, the outer surface of the upper end of the lining half ring 8 is movably contacted with the outer surface of the lower end of the limiting top disc 6, and the outer surface of the lower end of the lining half ring 8 is movably contacted with the outer surface of the upper end of the top plate 3, so that the rotation of the wheel shaft 4; the fastening bolts 11 are connected with the first screw holes 12 and the second screw holes 13 in a threaded mode, so that the fastening bolts 11 can be conveniently screwed out, the fastening bolts 11 penetrate through the inside of the fixing block 7 and the outer surface of the upper end of the top plate 3, and the fixing block 7 and the top plate 3 are fixedly connected through the fastening bolts 11, so that the fixing block 7 can be conveniently dismounted.

It should be noted that, the utility model relates to a locking positioning mechanism for planet wheel axle, when using, when the wheel axle 4 rotates for a long time and produces wearing and tearing to the inboard of inside lining semi-ring 8, the elastic glue layer 9 has elastic action to inside lining semi-ring 8 all the time, make inside lining semi-ring 8 more firmly support the surface of wheel axle 4, in order to fill up the clearance that the wearing and tearing brought, when slight wearing and tearing, still can possess better locate function, be favorable to the normal work of planet wheel body 1, after using for a long time, when inside lining semi-ring 8 wears too seriously and needs to be changed, the user can be through screwing down fastening bolt 11, make fastening bolt 11 screw out from the inboard of first screw 12, second screw 13, can take off fixed block 7, and take off inside lining semi-ring 8 and change, the user puts components such as fixed block 7 in the normal position again, screw in fastening bolt 11 again, make the position of fixed block 7 fixed, the whole positioning structure is convenient to replace, and meanwhile, material waste caused by whole scrapping is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a be used for locking positioning mechanism that moves of planet wheel axle, includes planet wheel body (1), its characterized in that: a top plate (3) is arranged on the outer surface of the upper end of the planet wheel body (1), a wheel shaft (4) penetrates through the outer surface of the upper end of the top plate (3), a limit top disc (6) is arranged at the upper end of the wheel shaft (4), a fixed block (7) is arranged between the outer surface of the lower end of the limit top disc (6) and the outer surface of the upper end of the top plate (3), the inner side of the fixed block (7) is provided with a lining semi-ring (8), an elastic glue layer (9) is filled between the lining semi-ring (8) and the fixed block (7), the outer surface of the upper end of the fixed block (7) is provided with a hidden embedding opening (10), a fastening bolt (11) penetrates through the inner side of the embedding opening (10), a first screw hole (12) is formed in the fixing block (7) corresponding to the penetrating position of the fastening bolt (11), and a second screw hole (13) is formed in the outer surface of the upper end of the top plate (3) corresponding to the penetrating position of the fastening bolt (11).

2. The anti-loosening positioning mechanism for the planetary wheel shaft as claimed in claim 1, wherein: the outer surface of the lower end of the planetary wheel body (1) is provided with a bottom plate (2), the outer surfaces of the upper end and the lower end of the planetary wheel body (1) are symmetrically arranged with a top plate (3), and the top plate (3) and the bottom plate (2) are fixedly connected with the planetary wheel body (1).

3. The anti-loosening positioning mechanism for the planetary wheel shaft as claimed in claim 1, wherein: the wheel shaft (4) is movably connected with the top plate (3), the lower end of the wheel shaft (4) is provided with a planetary gear (5), the planetary gear (5) is fixedly connected with the wheel shaft (4), the number of the wheel shaft (4) and the number of the planetary gear (5) are three, and the wheel shaft (4) and the planetary gear (5) are arranged in an annular array.

4. The anti-loosening positioning mechanism for the planetary wheel shaft as claimed in claim 1, wherein: fixed block (7) and inside lining semi-ring (8) are all in the both sides of shaft (4) and are the symmetry and arrange, the port of two sets of inside lining semi-ring (8) between leave one to one little five millimeters clearance, be fixed connection between elastic glue film (9) and fixed block (7), be swing joint between elastic glue film (9) and inside lining semi-ring (8).

5. The anti-loosening positioning mechanism for the planetary wheel shaft as claimed in claim 1, wherein: the limiting top plate (6) is fixedly connected with the wheel shaft (4), the lining half ring (8) is in a semicircular ring shape, the upper end of the lining half ring is connected with a bend perpendicular to the upper end of the lining half ring, the outer surface of the upper end of the lining half ring (8) is in movable contact with the outer surface of the lower end of the limiting top plate (6), and the outer surface of the lower end of the lining half ring (8) is in movable contact with the outer surface of the upper end of the top plate (3).

6. The anti-loosening positioning mechanism for the planetary wheel shaft as claimed in claim 1, wherein: the fastening bolt (11) is in threaded connection with the first screw hole (12) and the second screw hole (13), the fastening bolt (11) penetrates through the inside of the fixing block (7) and the outer surface of the upper end of the top plate (3), and the fixing block (7) is fixedly connected with the top plate (3) through the fastening bolt (11).