CN213981310U

CN213981310U - Damping shaft sleeve

Info

Publication number: CN213981310U
Application number: CN202022749977.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xi'an Chenyang Machinery Co ltd
Current assignee: Xi'an Chenyang Machinery Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-17
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to an axle sleeve technical field especially relates to a shock attenuation axle sleeve, including the axle sleeve, the fixed screw that uses with the pivot cooperation that is provided with on the axle sleeve, the outside cover of axle sleeve is equipped with the rubber mounting, the rubber mounting includes hexagonal mounting and cyclic annular mounting, the fixed outside and the two axis coincidence that sets up at hexagonal mounting of cyclic annular mounting, hexagonal mounting and cyclic annular mounting are the integrated into one piece structure, pass through bolt fixed connection between hexagonal mounting and the axle sleeve, through coupling mechanism fixedly connected with flabellum on the cyclic annular mounting, the quantity of flabellum is no less than five and angular distribution on cyclic annular mounting, coupling mechanism is including the fixed spacing ring that sets up on cyclic annular mounting, spacing ring runs through and is provided with two spacing rings on flabellum setting and every flabellum. The utility model provides an existing among the prior art and producing the shortcoming that vibrations can increase the axle journal position wearing and tearing between axle sleeve and the drive shaft, beneficial effect is obvious, is fit for promoting.

Description

Damping shaft sleeve

Technical Field

The utility model relates to an axle sleeve technical field especially relates to a damping axle sleeve.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. In the traditional scheme, a power shaft and a middle disc of a wind wheel are in hard connection, the middle disc does not have a damping function, when the wind wheel rotates at a high speed, air vibration can be caused, and therefore vibration of fan blades is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the shaft neck position wearing and tearing can be increased in the production vibrations between axle sleeve and the drive shaft among the prior art, and a shock attenuation axle sleeve that provides.

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

the damping shaft sleeve comprises a shaft sleeve, wherein a fixed screw hole matched with a rotating shaft is fixedly arranged on the shaft sleeve, a rubber fixing piece is sleeved outside the shaft sleeve and comprises a hexagonal fixing piece and an annular fixing piece, the annular fixing piece is fixedly arranged outside the hexagonal fixing piece, the axes of the hexagonal fixing piece and the annular fixing piece are coincided, the hexagonal fixing piece and the annular fixing piece are of an integrally formed structure, the hexagonal fixing piece and the shaft sleeve are fixedly connected through bolts, fan blades are fixedly connected onto the annular fixing piece through a connecting mechanism, the number of the fan blades is not less than five, the fan blades are distributed on the annular fixing piece in an equal angle mode, the connecting mechanism comprises a limiting ring fixedly arranged on the annular fixing piece, the limiting ring penetrates through the fan blades and is provided with two limiting rings, and the peripheral wall of each limiting ring is provided with four long grooves distributed in an equal angle mode, the interior matching of spacing ring is provided with the round bar, the one end of round bar runs through cyclic annular mounting, the threaded groove has been seted up on the one end outer wall that the round bar runs through cyclic annular mounting, threaded connection has the nut on the threaded groove, the fixed welding of the other end of round bar has the fixed plate of angular distribution such as four, the fixed plate passes rectangular groove and extends to the outside of spacing ring, two outer walls of fixed plate and the inner wall contact in rectangular groove.

Preferably, the side wall of the fixing plate, which is contacted with the annular fixing piece, is fixedly adhered with a non-slip mat.

Preferably, a gasket is clamped between the nut and the annular fixing piece.

Preferably, the outer wall of the shaft sleeve is fixedly provided with a limiting block.

Preferably, the limiting ring is made of metal materials and is partially inserted into the annular fixing piece.

The utility model provides a damping shaft sleeve, beneficial effect lies in: this shock attenuation axle sleeve sets up the rubber mounting through at the outside fixed rubber mounting that sets up of axle sleeve, again through coupling mechanism fixedly connected with flabellum on the rubber mounting, be provided with the rubber mounting between flabellum and the axle sleeve, because the rubber mounting adopts hard rubber to make and rubber from taking buffering shock attenuation effect, can be fine alleviate the influence of flabellum vibrations to the axle sleeve, solved and to have produced the shortcoming that vibrations can increase axle journal position wearing and tearing between axle sleeve and the drive shaft among the prior art, beneficial effect is obvious, is fit for promoting.

Drawings

Fig. 1 is a schematic front sectional view of a damping bushing according to the present invention;

fig. 2 is a schematic side view of a damping sleeve according to the present invention;

FIG. 3 is an enlarged view of the part A of FIG. 2;

fig. 4 is the utility model provides a damping axle sleeve's round bar and fixed plate connection structure sketch map.

In the figure: 1 axle sleeve, 2 rubber mounting, 3 hexagonal mounting, 4 cyclic annular mountings, 5 spacing rings, 6 rectangular grooves, 7 flabellum, 8 round bar, 9 thread groove, 10 nut, 11 fixed plates, 12 slipmats, 13 fixed screw, 14 spacing blocks, 15 gaskets.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a damping shaft sleeve comprises a shaft sleeve 1, a fixing screw hole 13 matched with a rotating shaft is fixedly arranged on the shaft sleeve 1, a rubber fixing member 2 is sleeved outside the shaft sleeve 1, the rubber fixing member 2 comprises a hexagonal fixing member 3 and an annular fixing member 4, the annular fixing member 4 is fixedly arranged outside the hexagonal fixing member 3, the axes of the hexagonal fixing member 3 and the annular fixing member 4 are coincident, the hexagonal fixing member 3 and the shaft sleeve 1 are fixedly connected through a bolt, the annular fixing member 4 is fixedly connected with fan blades 7 through a connecting mechanism, the number of the fan blades 7 is not less than five and is distributed on the annular fixing member 4 at equal angles, the rubber fixing member 4 is fixedly arranged outside the shaft sleeve 1, the fan blades 7 are fixedly connected on the rubber fixing member 4 through the connecting mechanism, and the rubber fixing member 4 is arranged between the fan blades 7 and the shaft sleeve 1, because the rubber fixing part 4 is made of hard rubber and the rubber has a buffering and damping effect, the influence of the vibration of the fan blades 7 on the shaft sleeve 1 can be well relieved, and the defect that the abrasion of the shaft neck part can be increased due to the vibration generated between the shaft sleeve and the driving shaft in the prior art is overcome.

In the utility model, the connecting mechanism comprises a limiting ring 5 fixedly arranged on an annular fixing member 4, the limiting ring 5 is made of metal material and is partially inserted in the annular fixing member 4, the limiting ring 5 penetrates through the fan blades 7 and is provided with two limiting rings 5 on each fan blade 7, four strip grooves 6 which are distributed at equal angles are arranged on the peripheral wall of the limiting ring 5, a round bar 8 is arranged in the limiting ring 5 in a matching way, one end of the round bar 8 penetrates through the annular fixing member 4, a thread groove 9 is arranged on the outer wall of one end of the round bar 8 which penetrates through the annular fixing member 4, a nut 10 is connected with the thread groove 9 in a threaded way, a gasket 15 is clamped between the nut 10 and the annular fixing member 4, a fixing plate 11 which is distributed at equal angles is fixedly welded at the other end of the round bar 8, the fixing plate 11 penetrates through the strip grooves 6 and extends to the outer part of the limiting ring 5, two outer walls of the overlong fixing plate 11 are contacted with the inner walls of the strip grooves 6, can be so that the position of pole 8 in spacing ring 5 is fixed under the mating reaction of fixed plate 11 and rectangular groove 6, swivel nut 10 makes nut 10 move towards fixed plate 11, until nut 10 extrudees on cyclic annular mounting 4, fixed plate 11 extrusion is fixed with flabellum 7 on flabellum 7 this moment, fixed plate 11 is fixed with the slipmat 12 that glues on the lateral wall that cyclic annular mounting 4 contacted, slipmat 12 set up the frictional force that has increased between fixed plate 11 and the flabellum 7, the stability of flabellum 7 has been improved, the fixed stopper 14 that is provided with on the outer wall of axle sleeve 1, the fixed orifices on axle sleeve 1 and the quick location of the fixed orifices on the drive shaft can be realized in setting up of stopper 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A damping shaft sleeve comprises a shaft sleeve (1), wherein a fixed screw hole (13) matched with a rotating shaft for use is fixedly arranged on the shaft sleeve (1), and the damping shaft sleeve is characterized in that a rubber fixing piece (2) is sleeved outside the shaft sleeve (1), the rubber fixing piece (2) comprises a hexagonal fixing piece (3) and an annular fixing piece (4), the annular fixing piece (4) is fixedly arranged outside the hexagonal fixing piece (3) and the axis of the hexagonal fixing piece coincide, the hexagonal fixing piece (3) and the annular fixing piece (4) are of an integrally formed structure, the hexagonal fixing piece (3) and the shaft sleeve (1) are fixedly connected through a bolt, a fan blade (7) is fixedly connected onto the annular fixing piece (4) through a connecting mechanism, the number of the fan blade (7) is not less than five and is distributed on the annular fixing piece (4) at equal angles, the connecting mechanism comprises a limiting ring (5) fixedly arranged on the annular fixing piece (4), spacing ring (5) run through and are provided with two spacing ring (5) on flabellum (7) setting and every flabellum (7), set up rectangular groove (6) of angular distribution such as four on the perisporium of spacing ring (5), the matching is provided with round bar (8) in spacing ring (5), the one end of round bar (8) runs through cyclic annular mounting (4), set up thread groove (9) on round bar (8) run through the one end outer wall of cyclic annular mounting (4), threaded connection has nut (10) on thread groove (9), the fixed welding of the other end of round bar (8) has fixed plate (11) of angular distribution such as four, fixed plate (11) are worn long strip groove (6) and are extended to the outside of spacing ring (5), two outer walls of fixed plate (11) and the inner wall contact of long strip groove (6).

2. The suspension bushing according to claim 1, wherein the anti-slip pad (12) is fixedly adhered to the sidewall of the fixing plate (11) contacting the annular fixing member (4).

3. A damping bushing according to claim 1, characterized in that a washer (15) is clamped between the nut (10) and the annular securing member (4).

4. The damping shaft sleeve according to claim 1, characterized in that a limiting block (14) is fixedly arranged on the outer wall of the shaft sleeve (1).

5. A damping bushing according to claim 1, characterized in that the retaining ring (5) is made of metal and is partially inserted in the annular fixing member (4).