CN217301251U - Durable turbine machinery stationary blade bearing - Google Patents

Abstract

The utility model discloses a durable turbine machinery stationary blade bearing, which belongs to the technical field of bearings and comprises a bearing body, wherein the inner surface of the bearing body is fixedly connected with a spacing ring, an inner bushing is detachably connected in the bearing body and corresponds to the spacing ring, a rubber compression sleeve is fixedly connected in the inner bushing, one end of the bearing body is fixedly connected with a threaded connector, the outer surface of the threaded connector is in threaded connection with a threaded retaining cover, and the threaded retaining cover corresponds to the rubber compression sleeve; the utility model discloses aim at solving the short problem of life who exists among the prior art.

Description

Durable turbine machinery stationary blade bearing

Technical Field

The utility model relates to a bearing technical field, more specifically say, relate to a durable turbine machinery quiet leaf bearing.

Background

Turbomachines are dynamic fluid machines with blades. The turbomachines have a common feature that a rotor having blades rotates at a high speed, and when a fluid flows through passages between the blades, the blades and the fluid generate a force interaction, thereby realizing energy conversion.

The last quiet leaf subassembly of turbomachinery need cooperate the bearing to use usually, and the bearing passes through the fixed pivot of inner liner, makes the operation that quiet leaf subassembly on the turbomachinery can be stable, and current most bearing is when passing through the fixed pivot of bush, because the bearing leads to the pivot not hard up easily under long-time use to cause the influence to the stability of the quiet leaf subassembly of turbomachinery, life is short.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims at providing a quiet leaf bearing of durable turbomachinery aims at solving the above-mentioned problem that exists among the prior art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a durable turbine machinery quiet leaf bearing, includes the bearing body, the internal fixed surface of bearing body is connected with the spacing collar, this internal dismantlement of bearing is connected with the neck bush, and the neck bush is corresponding with the spacing collar, fixedly connected with rubber compression sleeve in the neck bush, the one end fixedly connected with threaded connection mouth of bearing body, threaded connection mouth's surface threaded connection has the screw thread to keep off the lid, and the screw thread keeps off the lid and corresponds with rubber compression sleeve.

As a preferred scheme of the utility model, a plurality of locating holes have been seted up on the spacing collar, a plurality of reference columns of one end fixedly connected with of neck bush, and a plurality of reference columns peg graft respectively in a plurality of locating holes.

As an optimized scheme of the utility model, the internal surface of spacing collar is excavated there is the draw-in groove, the joint has the sealing ring in the draw-in groove.

As an optimized scheme of the utility model, the one end fixedly connected with screw thread fixed pipe of screw thread fender lid.

As a preferred scheme of the utility model, the outer fixed surface of bearing body is connected with a plurality of installation pieces, and is a plurality of all dig the mounting hole on the installation piece.

As an optimized proposal of the utility model, the outer surface of the bearing body is provided with a mounting groove.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses in, through putting into this internal and spacing collar contact of bearing with the neck bush, the neck bush is in getting into this internal back of bearing, a plurality of reference columns insert respectively in a plurality of locating holes, make the neck bush keep stable in the inside of bearing body, the rubber compression cover follows the neck bush and gets into this internal of bearing, then pass the rubber compression cover with the pivot, the both ends of pivot run through the bearing body, then make screw thread fender lid threaded connection in the one end of bearing body through the threaded connection mouth, the screw thread fender lid promotes the one end of rubber compression cover in threaded connection's in-process, the rubber compression cover is compressed in the neck bush, extrude between pivot and neck bush after the rubber compression cover compression, thereby increase the frictional force of pivot in this internal of bearing, make the pivot keep stable; simultaneously the thread tightening pipe follows the rotation threaded connection of screw thread fender lid in the pivot, and the pivot passes through the thread tightening pipe and realizes being connected with bearing body is inside, and the rubber compression cover adopts extruded mode to make the pivot remain stable in bearing body, prevents that the pivot is not hard up, ensures the stability of turbine machinery quiet leaf subassembly, improves life.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a perspective view of a middle part of the structure of the present invention;

fig. 5 is a cross-sectional view of the present invention.

The numbering in the figures illustrates:

1. a bearing body; 2. a limiting ring; 3. an inner liner; 4. a rubber compression sleeve; 5. a threaded connector; 6. a threaded stop cover; 7. positioning holes; 8. a positioning column; 9. a card slot; 10. a seal ring; 11. fixing the pipe by screw threads; 12. mounting blocks; 13. mounting holes; 14. and (4) mounting the groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-5, a durable turbine machinery stationary blade bearing includes a bearing body 1, a limiting ring 2 fixedly connected to an inner surface of the bearing body 1, an inner bushing 3 detachably connected to the inside of the bearing body 1, the inner bushing 3 corresponding to the limiting ring 2, a rubber compression sleeve 4 fixedly connected to the inside of the inner bushing 3, a threaded connector 5 fixedly connected to one end of the bearing body 1, a threaded cover 6 threadedly connected to an outer surface of the threaded connector 5, and the threaded cover 6 corresponding to the rubber compression sleeve 4.

In the embodiment, the inner bushing 3 is placed into the bearing body 1 to contact with the limiting ring 2, the rubber compression sleeve 4 enters the bearing body 1 along with the inner bushing 3, then the rotating shaft penetrates through the rubber compression sleeve 4, two ends of the rotating shaft penetrate through the bearing body 1, then the threaded blocking cover 6 is in threaded connection with one end of the bearing body 1 through the threaded connection port 5, one end of the rubber compression sleeve 4 is fixed in the inner bushing 3, the other end of the rubber compression sleeve 4 corresponds to the threaded blocking cover 6, the threaded blocking cover 6 pushes one end of the rubber compression sleeve 4 in the process of threaded connection, the rubber compression sleeve 4 is compressed in the inner bushing 3, the rubber compression sleeve 4 is compressed between the rotating shaft and the inner bushing 3, so that the friction force of the rotating shaft in the bearing body 1 is increased, the rotating shaft is kept stable, the rotating shaft is prevented from loosening, and the stability of a turbine mechanical stationary blade assembly is ensured, the service life is prolonged.

Specifically, a plurality of positioning holes 7 are formed in the limiting ring 2, a plurality of positioning columns 8 are fixedly connected to one end of the inner bushing 3, and the positioning columns 8 are respectively inserted into the positioning holes 7.

In this embodiment, after the inner bushing 3 enters the bearing body 1, the positioning posts 8 are respectively inserted into the positioning holes 7, so that the inner bushing 3 is kept stable inside the bearing body 1, and the rotating shaft is convenient to rotate in the bearing body 1.

Specifically, the inner surface of the limiting ring 2 is provided with a clamping groove 9 in a chiseled mode, and a sealing ring 10 is clamped in the clamping groove 9.

In this embodiment, the pivot can pass spacing collar 2 when running through bearing body 1, and spacing collar 2 makes and obtains good sealed between pivot and the bearing body 1 through sealing ring 10 in draw-in groove 9, prevents that impurity from getting into the rotation that influences bearing body 1.

Specifically, one end of the threaded blocking cover 6 is fixedly connected with a threaded fixing pipe 11.

In this embodiment, the thread fixing pipe 11 rotates along with the thread blocking cover 6, so that the rotating shaft can be connected with the thread fixing pipe 11 and is stabilized in the bearing body 1.

Specifically, the outer surface of the bearing body 1 is fixedly connected with a plurality of mounting blocks 12, and mounting holes 13 are formed in the plurality of mounting blocks 12.

In this embodiment, bolts can be installed in the plurality of mounting holes 13, and the plurality of mounting blocks 12 can stably mount the bearing body 1 through the plurality of mounting holes 13.

Specifically, the outer surface of the bearing body 1 is chiseled with a mounting groove 14.

In this embodiment, the mounting groove 14 and the mounting blocks 12 cooperate to mount the bearing body 1 to other accessories, thereby preventing the bearing body 1 from shaking.

The working principle is as follows: the inner bushing 3 is placed into the bearing body 1 to be contacted with the limiting ring 2, after the inner bushing 3 enters the bearing body 1, the positioning columns 8 are respectively inserted into the positioning holes 7, the inner bushing 3 is kept stable in the bearing body 1, the rubber compression sleeve 4 enters the bearing body 1 along with the inner bushing 3, then the rotating shaft penetrates through the rubber compression sleeve 4, two ends of the rotating shaft penetrate through the bearing body 1, then the thread blocking cover 6 is in threaded connection with one end of the bearing body 1 through the thread connecting port 5, the thread blocking cover 6 pushes one end of the rubber compression sleeve 4 in the threaded connection process, the rubber compression sleeve 4 is compressed in the inner bushing 3, the rubber compression sleeve 4 is extruded between the rotating shaft and the inner bushing 3 after being compressed, so that the friction force of the rotating shaft in the bearing body 1 is increased, the rotating shaft is kept stable, and meanwhile, the thread fixing pipe 11 is in threaded connection with the rotating shaft along with the rotation of the thread blocking cover 6, the pivot passes through the thread tightening pipe 11 and realizes being connected with bearing body 1 is inside, and rubber compression cover 4 adopts the extruded mode to make the pivot remain stable in bearing body 1, prevents that the pivot from becoming flexible.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. A durable turbomachine vane bearing comprising a bearing body (1), characterized in that: the bearing comprises a bearing body (1), wherein a limiting ring (2) is fixedly connected to the inner surface of the bearing body (1), an inner bushing (3) is detachably connected to the bearing body (1), the inner bushing (3) corresponds to the limiting ring (2), a rubber compression sleeve (4) is fixedly connected to the inner bushing (3), a threaded connector (5) is fixedly connected to one end of the bearing body (1), a threaded baffle cover (6) is connected to the outer surface of the threaded connector (5) in a threaded mode, and the threaded baffle cover (6) corresponds to the rubber compression sleeve (4).

2. The durable turbomachine vane bearing of claim 1, further comprising: the limiting ring (2) is provided with a plurality of positioning holes (7), one end of the inner bushing (3) is fixedly connected with a plurality of positioning columns (8), and the positioning columns (8) are respectively inserted into the positioning holes (7).

3. The durable turbomachine vane bearing of claim 2, further comprising: the inner surface of the limiting ring (2) is provided with a clamping groove (9), and a sealing ring (10) is clamped in the clamping groove (9).

4. The durable turbomachine vane bearing of claim 3, further comprising: one end of the thread blocking cover (6) is fixedly connected with a thread fixing pipe (11).

5. The durable turbomachine vane bearing of claim 4, further comprising: the outer fixed surface of bearing body (1) is connected with a plurality of installation pieces (12), and is a plurality of all dig mounting hole (13) on installation piece (12).

6. The durable turbomachine vane bearing of claim 5, further comprising: the outer surface of the bearing body (1) is provided with a mounting groove (14) in a chiseling mode.

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