CN219062260U

CN219062260U - High-rigidity precise driving shaft device

Info

Publication number: CN219062260U
Application number: CN202320125161.8U
Authority: CN
Inventors: 郑锋
Original assignee: Huangshan Guanming Automobile Transmission Technology Co ltd
Current assignee: Huangshan Guanming Automobile Transmission Technology Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-05-23
Anticipated expiration: 2033-01-17

Abstract

The utility model discloses a high-rigidity precise driving shaft device, which relates to the technical field of driving shafts and comprises a shaft body, wherein dust covers are arranged at two ends of the shaft body, one group of dust covers is provided with a first shaft end, the other group of dust covers is provided with a second shaft end, the dust covers comprise circular rings arranged inside the dust covers, annular grooves formed in the circular rings, and balls rolling in the annular grooves.

Description

High-rigidity precise driving shaft device

Technical Field

The utility model relates to the technical field of driving shafts, in particular to a high-rigidity precise driving shaft device.

Background

The driving shaft is one kind of loader work device, and is one kind of device capable of pushing the smoothness of the loader to make the driving wheel rotate in different angular speeds, and the driving shaft is stressed alternately, and has uneven stress distribution, so that the driving shaft journal has sliding friction with the bearing, resulting in fatigue fracture and serious wear of the shaft journal and economic loss.

Disclosure of Invention

The utility model aims to provide a high-rigidity precise driving shaft device, which solves the problems of fatigue fracture and serious abrasion of a shaft neck and economic loss caused by uneven stress distribution and sliding friction between the shaft neck and a bearing of the driving shaft due to alternating stress such as torsion, shearing, pulling and pressing, impact and the like of the existing driving shaft in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high rigidity precision driving shaft device, includes the axis body, and the axis body both ends are provided with the dust cover, a set of dust cover one end be provided with a shaft end, another set of dust cover one end be provided with No. two shaft ends, the dust cover is including setting up the ring in the dust cover is inside, offer the annular on the ring to and roll the ball that sets up in the annular inside.

Preferably, the shaft body both ends cover is equipped with a clamp, and a clamp one side is fixed and is provided with a stationary blade, has seted up the round hole on the stationary blade.

Preferably, the first shaft end comprises a circular disc arranged in the first shaft end, a first internal gear arranged in the circular disc and an arc-shaped groove arranged on the outer side of the circular disc.

Preferably, a second clamp is sleeved on one end of the dust cover, a second fixing piece is fixedly arranged on one side of the second clamp, and the second clamp is connected with the dust cover and a first shaft end.

Preferably, the circular disc is arranged inside the circular ring, and the arc-shaped groove on the outer side of the circular disc is contacted with the ball.

Preferably, a sealing cover is fixedly arranged at one end of the first shaft end, a first spline is fixedly arranged at one end of the sealing cover, a connecting column is fixedly arranged at one end of the first spline, and a cover cap is sleeved on the periphery of the connecting column.

Preferably, the fixed column is fixedly arranged at one end of the second shaft end, the second spline is fixedly arranged at one end of the fixed column, and the inner cavity is formed in the second shaft end.

Preferably, the inner cavity is internally embedded with a third clamp, a second internal gear is fixedly arranged in the third clamp, a clamping block is fixedly arranged on the periphery of the third clamp, and three groups of clamping blocks are arranged.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the high-rigidity precise driving shaft device, through the arrangement of the ball cage, the annular groove, the balls, the circular disc, the first internal gear, the arc-shaped groove, the lantern ring, the second internal gear and the clamping block, the balls roll in the ball cage, friction between the shaft neck and the bearing is reduced, meanwhile, the first internal gear in the circular disc can be well meshed with two ends of the shaft body, a precise speed change function is realized, and the second internal gear in the lantern ring is matched with the first internal gear, so that the precision in speed change is further increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a first clip structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the cage of the present utility model;

FIG. 4 is a schematic illustration of a first spline configuration of the present utility model;

FIG. 5 is a schematic view of a wafer structure according to the present utility model;

fig. 6 is a schematic view of the collar structure of the present utility model.

In the figure: 1. a shaft body; 11. a first clamp; 111. a first fixing piece; 112. a round hole; 2. a dust cover; 21. a second clamp; 22. a second fixing piece; 23. a ball cage; 231. a ring groove; 232. a ball; 3. a first shaft end; 31. sealing cover; 32. a first spline; 33. a connecting column; 34. a wafer; 341. a first internal gear; 342. an arc-shaped groove; 4. the second shaft end; 41. fixing the column; 42. a second spline; 43. an inner cavity; 44. a collar; 441. a second internal gear; 442. a clamping block; 5. and (3) capping.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1 and 3, the high-rigidity precision driving shaft device of the present utility model includes a shaft body 1, dust covers 2 are disposed at two ends of the shaft body 1, one end of one group of dust covers 2 is provided with a first shaft end 3, one end of the other group of dust covers 2 is provided with a second shaft end 4, the dust covers 2 include a ring 23 disposed inside the dust covers 2, a ring groove 231 disposed on the ring 23, and balls 232 disposed inside the ring groove 231 in a rolling manner.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 2 to 6, a first clamp 11 is sleeved at two ends of the shaft body 1, a first fixing piece 111 is fixedly arranged at one side of the first clamp 11, a round hole 112 is formed in the first fixing piece 111, a first shaft end 3 comprises a circular disc 34 arranged in the first shaft end 3, a first internal gear 341 arranged in the circular disc 34, and an arc groove 342 formed in the outer side of the circular disc 34, a second clamp 21 is sleeved at one end of the dust cover 2, a second fixing piece 22 is fixedly arranged at one side of the second clamp 21, the second clamp 21 connects the dust cover 2 with the first shaft end 3, the circular disc 34 is arranged in the circular ring 23, the arc groove 342 outside the circular disc 34 is contacted with the balls 232, a sealing cover 31 is fixedly arranged at one end of the first shaft end 3, a first spline 32 is fixedly arranged at one end of the sealing cover 31, a connecting column 33 is fixedly arranged at one end of the first spline 32, a cap 5 is sleeved at the periphery of the connecting column 33, the fixed column 41 is fixedly arranged at one end of the second shaft end 4, the second spline 42 is fixedly arranged at one end of the fixed column 41, the inner cavity 43 is formed in the second shaft end 4, the third clamp 44 is embedded in the inner cavity 43, the second internal gear 441 is fixedly arranged in the third clamp 44, the clamping block 442 is fixedly arranged on the periphery of the third clamp 44, the three groups of clamping blocks 442 are arranged, the shaft body 1 is matched with the planet carrier to transfer torque by means of the first spline 32, the second spline 42 and the taper shaft, but the taper fit often cannot play a role in transferring torque due to loosening and wearing of eccentric bolts, therefore, the structure of the shaft body 1 needs to be improved, the taper part of the shaft body 1 is removed, the circular disc 34 and the cylindrical gears at two ends of the shaft body 1 are designed into two independent parts, the inner part of the circular disc 34 is designed into the first internal gear 341 matched with the cylindrical gears at two ends of the shaft body 1, therefore, the torque is completely transmitted by the key shaft and the planet carrier in a matched way, and the phenomenon of stress concentration on the key shaft due to uneven variable cross section and strength which are excessively discharged from the taper shaft is avoided, so that the strength of the rigidity of the shaft body 1 is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High-rigidity precise driving shaft device, comprising a shaft body (1), and being characterized in that: the novel dust-proof shaft is characterized in that dust covers (2) are arranged at two ends of the shaft body (1), one group of dust covers (2) is provided with a first shaft end (3), the other group of dust covers (2) is provided with a second shaft end (4), each dust cover (2) comprises a circular ring (23) arranged inside the dust cover (2), a ring groove (231) formed in the circular ring (23), and balls (232) arranged inside the ring groove (231) in a rolling mode.

2. A high stiffness precision drive shaft assembly according to claim 1, wherein: the novel shaft body is characterized in that a first clamp (11) is sleeved at two ends of the shaft body (1), a first fixing piece (111) is fixedly arranged on one side of the first clamp (11), and a round hole (112) is formed in the first fixing piece (111).

3. A high stiffness precision drive shaft assembly according to claim 1, wherein: the first shaft end (3) comprises a circular disc (34) arranged in the first shaft end (3), a first internal gear (341) arranged in the circular disc (34), and an arc-shaped groove (342) arranged on the outer side of the circular disc (34).

4. A high stiffness precision drive shaft assembly according to claim 1, wherein: the dust cover (2) one end cover is equipped with No. two clamps (21), and No. two fixed sheet (22) are provided with to No. two clamps (21) one side is fixed, and No. two clamps (21) are connected dust cover (2) and No. one axle head (3).

5. A high stiffness precision drive shaft assembly according to claim 3, wherein: the circular disc (34) is arranged inside the circular ring (23), and the arc-shaped groove (342) on the outer side of the circular disc (34) is contacted with the ball (232).

6. A high stiffness precision drive shaft assembly according to claim 1, wherein: the novel connecting device is characterized in that a sealing cover (31) is fixedly arranged at one end of the first shaft end (3), a first spline (32) is fixedly arranged at one end of the sealing cover (31), a connecting column (33) is fixedly arranged at one end of the first spline (32), and a cover cap (5) is sleeved on the periphery of the connecting column (33).

7. A high stiffness precision drive shaft assembly according to claim 1, wherein: the novel gear is characterized in that a fixing column (41) is fixedly arranged at one end of the second shaft end (4), a second spline (42) is fixedly arranged at one end of the fixing column (41), and an inner cavity (43) is formed in the second shaft end (4).

8. A high stiffness precision drive shaft assembly according to claim 7, wherein: the inner cavity (43) is internally embedded with a third clamp (44), a second internal gear (441) is fixedly arranged in the third clamp (44), a clamping block (442) is fixedly arranged on the periphery of the third clamp (44), and three groups of clamping blocks (442) are arranged.