CN214118262U - Quick-change turbine shaft - Google Patents

Abstract

The utility model discloses a quick-change turbine shaft relates to the turbine shaft field, including the axis body, the surface of axis body is provided with the finned tube, and the inner wall of axis body is provided with the strengthening rib, and one side of strengthening rib is connected with the bracing piece, and the one end of axis body is connected with the turbine. The utility model discloses cross the bulge ring, the connecting hole, the diaphragm, fixing bolt and fixation nut, utilize first flange and second flange to connect earlier, first flange's bulge ring is pegged graft in second flange's connecting hole, place a plurality of diaphragms in first flange and second flange's edge, later utilize fixing bolt to run through first flange and second flange, utilize fixation nut to fix fixing bolt, thereby install the axis body, when needs are changed, directly lift fixing nut off from fixing bolt, take first flange and second flange apart, thereby change fast, improve the change speed of turbine shaft.

Description

Quick-change turbine shaft

Technical Field

The utility model relates to a turbine shaft field specifically is a quick-change turbine shaft.

Background

The turbine shaft adopts a boss bearing structure, and is really just a metal pipe which completely depends on high-pressure engine oil entering a bearing chamber to realize bearing and heat dissipation, so that the turbine shaft can rotate at high speed.

The existing turbine shaft is single in structure, when the turbine shaft is connected with a turbine, a welding and sleeving mode is mostly adopted, when the turbine shaft is damaged, the replacement speed is slow, the use of the turbine shaft is influenced, and when the turbine shaft rotates at a high speed, the hardness of the turbine shaft is insufficient, the turbine shaft is easy to damage and bend, and the use of the turbine shaft is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of low replacement speed of a turbine shaft and insufficient hardness of the turbine shaft, a fast-changing turbine shaft is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick-change turbine shaft, includes the axis body, the surface of axis body is provided with the finned tube, the inner wall of axis body is provided with the strengthening rib, one side of strengthening rib is connected with the bracing piece, the one end of axis body is connected with the turbine, one side of turbine is connected with the centre bore, one side of centre bore is connected with first flange, one side of first flange is connected with the diaphragm, one side intermediate junction of first flange has the bulge ring, one side of bulge ring is connected with second flange through the connecting hole, one side of second flange is connected with the connecting pipe, fixing bolt has all been run through to the top and the bottom of first flange and second flange, fixing nut has been cup jointed to fixing bolt's one end.

Preferably, the reinforcing ribs are arranged in a plurality of groups, two reinforcing ribs are in one group, and the plurality of reinforcing ribs are uniformly distributed.

Preferably, a set of said ribs is triangular.

Preferably, the diaphragm is provided with a plurality of diaphragms, and the plurality of diaphragms are distributed in an annular shape.

Preferably, the protruding ring is matched with the connecting hole, and the first connecting flange is connected with the second connecting flange through the protruding ring and the connecting hole.

Preferably, the fixing bolt is in threaded connection with the fixing nut, and the first connecting flange is detachably connected with the second connecting flange through the fixing bolt and the fixing nut.

Preferably, the supporting rods are arranged in a plurality, and the supporting rods are arranged in the middle of the two reinforcing ribs.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bulge ring, the connecting hole, the diaphragm, fixing bolt and fixation nut, utilize first flange and second flange to connect earlier, the bulge ring of first flange is pegged graft in the connecting hole of second flange, place a plurality of diaphragms at the edge of first flange and second flange, later utilize fixing bolt to run through first flange and second flange, utilize fixation nut to fix fixing bolt, thereby install the axis body, when needing to be changed, directly lift fixing nut off from fixing bolt, take first flange and second flange apart, thereby change fast, improve the change speed of turbine shaft;

2. the utility model discloses a strengthening rib and bracing piece, strengthening rib are triangle-shaped, can support the pipe wall of axis body, and at the in-process that the strengthening rib supported, the horizontal support of strengthening rib is strengthened to the bracing piece to strengthen the hardness of turbine shaft, prevent that the turbine shaft from warping.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic side view of the first connecting flange of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

In the figure: 1. a shaft body; 2. a turbine; 3. a central bore; 4. a first connecting flange; 5. a diaphragm; 6. fixing a nut; 7. fixing the bolt; 8. a connecting pipe; 9. a finned tube; 10. a projecting ring; 11. connecting holes; 12. a second connecting flange; 13. a support bar; 14. and (5) reinforcing ribs.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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", "connected" and "disposed" are to be construed broadly, and may be, for example, 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. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-5, a fast-change turbine shaft comprises a shaft body 1, a turbine 2, a central hole 3, a first connecting flange 4, a diaphragm 5, a fixing nut 6, a fixing bolt 7, a connecting pipe 8, a finned pipe 9, a projecting ring 10, a connecting hole 11, a second connecting flange 12, a supporting rod 13 and a reinforcing rib 14, wherein the finned pipe 9 is arranged on the outer surface of the shaft body 1, the reinforcing rib 14 is arranged on the inner wall of the shaft body 1, the supporting rod 13 is connected to one side of the reinforcing rib 14, the turbine 2 is connected to one end of the shaft body 1, the central hole 3 is connected to one side of the turbine 2, the first connecting flange 4 is connected to one side of the central hole 3, the diaphragm 5 is connected to one side of the first connecting flange 4, the projecting ring 10 is connected to the middle of one side of the first connecting flange 4, the second connecting flange 12 is connected to one side of the projecting ring 10 through the connecting hole 11, the connecting pipe 8 is connected to one side of the second connecting flange 12, fixing bolt 7 has all been run through to the top and the bottom of first flange 4 and second flange 12, and fixing nut 6 has been cup jointed to fixing bolt 7's one end, utilizes fixing bolt 7 to run through first flange 4 and second flange 12, utilizes fixing nut 6 to fix fixing bolt 7 to install axis body 1.

Please refer to fig. 2 and 5, a plurality of the reinforcing ribs 14 are arranged, two reinforcing ribs are in a group, the plurality of reinforcing ribs 14 are uniformly distributed, and the group of the reinforcing ribs 14 is triangular, and the reinforcing ribs 14 are triangular, so that the pipe wall of the shaft body 1 can be supported.

Referring to fig. 1-4, the plurality of diaphragms 5 are disposed, and the plurality of diaphragms 5 are distributed in a ring shape, and the first connecting flange 4 and the second connecting flange 12 are shielded by the plurality of diaphragms 5.

Please refer to fig. 2 and 4, the protruding ring 10 is adapted to the connecting hole 11, and the first connecting flange 4 is connected to the second connecting flange 12 through the protruding ring 10 and the connecting hole 11, and the first connecting flange 4 and the second connecting flange 12 are positioned through the protruding ring 10 and the connecting hole 11.

Referring to fig. 1, 2 and 4, the fixing bolts 7 and the fixing nuts 6 are screwed, and the first connecting flange 4 is detachably connected with the second connecting flange 12 through the fixing bolts 7 and the fixing nuts 6, so as to facilitate the quick replacement of the turbine shaft.

Please refer to fig. 2 and 5, a plurality of support rods 13 are provided, and the plurality of support rods 13 are provided at the middle position of the two reinforcing ribs 14, and the support rods 13 reinforce the lateral support of the reinforcing ribs 14, thereby enhancing the rigidity of the turbine shaft and preventing the turbine shaft from deforming.

The working principle is as follows: firstly, a user installs the shaft body 1, firstly, the shaft body 1 is connected by a first connecting flange 4 and a second connecting flange 12, a projecting ring 10 of the first connecting flange 4 is inserted into a connecting hole 11 of the second connecting flange 12, a plurality of diaphragms 5 are placed at the edges of the first connecting flange 4 and the second connecting flange 12, then, a fixing bolt 7 penetrates through the first connecting flange 4 and the second connecting flange 12, the fixing bolt 7 is fixed by a fixing nut 6, so that the shaft body 1 is installed, when the shaft body needs to be replaced, the fixing nut 6 is directly detached from the fixing bolt 7, the first connecting flange 4 and the second connecting flange 12 are detached, so that the shaft body is rapidly replaced, in the using process of the shaft body 1, because the reinforcing ribs 14 are triangular, the pipe wall of the shaft body 1 can be supported, in the supporting process of the reinforcing ribs 14, the supporting rods 13 strengthen the transverse support of the reinforcing ribs 14, thereby enhancing the hardness of the turbine shaft and preventing the deformation of the turbine shaft.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A fast-changing turbine shaft, including axis body (1), its characterized in that: the outer surface of the shaft body (1) is provided with a finned tube (9), the inner wall of the shaft body (1) is provided with a reinforcing rib (14), one side of the reinforcing rib (14) is connected with a support rod (13), one end of the shaft body (1) is connected with a turbine (2), one side of the turbine (2) is connected with a center hole (3), one side of the center hole (3) is connected with a first connecting flange (4), one side of the first connecting flange (4) is connected with a diaphragm (5), a bulge ring (10) is connected in the middle of one side of the first connecting flange (4), one side of the bulge ring (10) is connected with a second connecting flange (12) through a connecting hole (11), one side of the second connecting flange (12) is connected with a connecting pipe (8), and fixing bolts (7) penetrate through the tops and the bottoms of the first connecting flange (4) and the second connecting flange (12), and one end of the fixing bolt (7) is sleeved with a fixing nut (6).

2. The fast turbine shaft of claim 1 wherein: the reinforcing ribs (14) are arranged in a plurality of groups, two reinforcing ribs are in one group, and the plurality of reinforcing ribs (14) are uniformly distributed.

3. The fast turbine shaft of claim 1 wherein: and the reinforcing ribs (14) in one group are triangular.

4. The fast turbine shaft of claim 1 wherein: the diaphragm (5) is provided with a plurality of diaphragms (5), and the diaphragms (5) are distributed annularly.

5. The fast turbine shaft of claim 1 wherein: the protruding ring (10) is matched with the connecting hole (11), and the first connecting flange (4) is connected with the second connecting flange (12) through the protruding ring (10) and the connecting hole (11).

6. The fast turbine shaft of claim 1 wherein: the fixing bolt (7) is in threaded connection with the fixing nut (6), and the first connecting flange (4) is detachably connected with the second connecting flange (12) through the fixing bolt (7) and the fixing nut (6).

7. The fast turbine shaft of claim 1 wherein: the supporting rods (13) are arranged in a plurality, and the supporting rods (13) are arranged in the middle of the two reinforcing ribs (14).

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