CN218266032U - High-precision turbine shaft - Google Patents
High-precision turbine shaft Download PDFInfo
- Publication number
- CN218266032U CN218266032U CN202221397422.3U CN202221397422U CN218266032U CN 218266032 U CN218266032 U CN 218266032U CN 202221397422 U CN202221397422 U CN 202221397422U CN 218266032 U CN218266032 U CN 218266032U
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- turbine
- turbine shaft
- main shaft
- connecting axle
- shaft
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Abstract
The utility model discloses a high accuracy turbine shaft, belong to turbine shaft technical field, the one end of main shaft pole is provided with spacing portion, the mounting hole of annular equidistant distribution is seted up on the surface of spacing portion, the shape of mounting hole is circular, the another side of spacing portion is provided with the installation head, the other end of main shaft pole is provided with the connecting axle, the external diameter of connecting axle is less than the external diameter of main shaft pole, be equipped with first radius angle between connecting axle and the main shaft pole, the other end of connecting axle is provided with connecting portion, this high accuracy turbine shaft is through the spacing portion and the installation head that set up, not only can be quick fixed mounting position, the connection area of turbine shaft and turbine has been increased simultaneously, great improvement joint strength, and polygonal installation head can avoid turbine and turbine shaft junction to take place to skid, the rotational stability of turbine is improved, and the turbine shaft passes through one-time fashioned processing method, great improvement axial stability and axiality.
Description
Technical Field
The utility model relates to a turbine shaft technical field, more specifically say, relate to a high accuracy turbine shaft.
Background
The turbine shaft appears to be simply a metal tube, but in practice it is a precision part that is shouldered to 120000 to 160000rpm and ultra high temperature.
At present, in the production process of a turbine shaft, because the outer diameters of shaft rods are different, in the production process, the traditional machining process adopts grading machining, time and materials are wasted, the precision of a product cannot be guaranteed, the connecting area between the turbine shaft and a turbine is limited, the connecting strength of the turbine shaft is reduced, the defects are easy to occur at the connecting part in the using process, and the rotation stability of the turbine cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, an object of the utility model is to provide a high accuracy turbine shaft, this high accuracy turbine shaft is through the spacing portion and the installation head that set up, fixed mounting position that not only can be quick has increased the area of being connected of turbine shaft and turbine simultaneously, great improvement joint strength, polygonal installation head can avoid turbine and turbine shaft junction to take place to skid moreover, has improved the rotational stability of turbine, and the turbine shaft passes through one-time fashioned processing method, great improvement axial stability and axiality.
In order to solve the problem, the utility model adopts the following technical proposal.
The utility model provides a high accuracy turbine shaft, includes the main shaft pole, the one end of main shaft pole is provided with spacing portion, the mounting hole of annular equidistant distribution is seted up on the surface of spacing portion, the shape of mounting hole is circular, the another side of spacing portion is provided with the installation head, the other end of main shaft pole is provided with the connecting axle, the external diameter of connecting axle is less than the external diameter of main shaft pole, be equipped with first radius angle between connecting axle and the main shaft pole, the other end of connecting axle is provided with connecting portion, the external diameter of connecting portion is less than the external diameter of connecting axle, be equipped with the second radius angle between connecting portion and the connecting axle, the surface of connecting portion is provided with the seal groove, and this high accuracy is through spacing portion and the installation head that sets up, and fixed mounting position that not only can be quick has increased the area of being connected of turbine shaft and turbine simultaneously, great improvement joint strength, polygonal installation head can avoid turbine and turbine shaft junction to take place to skid moreover, has improved the rotational stability of turbine to the turbine shaft is through one-time fashioned processing method, great improvement axial stability and axiality.
Furthermore, the cross section of the mounting head is polygonal, a first inserting end is arranged at one end of the mounting head, a first conical surface is arranged between the first inserting end and the mounting head, and the polygonal mounting head has the function of preventing slipping and rotation and can increase the connecting area between the turbine shaft and the turbine.
Furthermore, the shape of seal groove is the annular, the cross-sectional shape of seal groove is the arc, the quantity of seal groove is two, and the seal groove that sets up can be quick the fixed seal ring the mounted position, has improved the one end connection leakproofness of turbine shaft.
Furthermore, one end of the connecting portion is provided with a second inserting end, a second conical surface is arranged between the second inserting end and the connecting portion, and the outer diameter of the second inserting end is smaller than that of the connecting portion, so that the assembling and positioning efficiency of the connecting portion is improved.
Furthermore, a connecting hole is formed in one end face of the second inserting end, internal threads are formed in the inner wall of the connecting hole, and the connecting hole can be fastened with a screw through threads, so that the connection firmness of one end of the turbine shaft is improved.
Furthermore, the outer diameter of the first inserting end is smaller than that of the mounting head, and when the first inserting end is assembled with the turbine, the positioning efficiency of the mounting head can be improved.
Compared with the prior art, the utility model has the advantages of:
(1) This scheme is through the spacing portion and the installation head that set up, and the fixed mounting position that not only can be quick has increased the connection area of turbine shaft and turbine simultaneously, great improvement joint strength, and polygonal installation head can avoid turbine and turbine shaft junction to take place to skid moreover, has improved the rotational stability of turbine to the turbine shaft is through the one-time fashioned processing method, great improvement axial stability and axiality.
(2) The mounting head is polygonal in cross section, a first inserting end is arranged at one end of the mounting head, a first conical surface is arranged between the first inserting end and the mounting head, and the polygonal mounting head has the function of preventing slipping and rotating and can increase the connecting area between the turbine shaft and the turbine.
(3) The shape of seal groove is the annular, and the cross-sectional shape of seal groove is the arc, and the quantity of seal groove is two, and the seal groove that sets up can be quick fixed seal ring's mounted position, has improved the one end connection leakproofness of turbine shaft.
(4) One end of the connecting portion is provided with a second inserting end, a second conical surface is arranged between the second inserting end and the connecting portion, the outer diameter of the second inserting end is smaller than that of the connecting portion, and the assembling and positioning efficiency of the connecting portion is improved.
(5) A connecting hole is formed in one end face of the second inserting end, an internal thread is formed in the inner wall of the connecting hole, the connecting hole can be fastened with a screw through threads, and therefore the one end connection firmness of the turbine shaft is improved.
(6) The outer diameter of the first inserting end is smaller than that of the mounting head, and when the first inserting end is assembled with the turbine, the positioning efficiency of the mounting head can be improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the structure of the mounting head and the limiting part of the present invention;
fig. 3 is a side view of the connecting portion structure of the present invention.
The numbering in the figures illustrates:
the connecting structure comprises a main shaft rod 1, an 11 limiting part, a 111 mounting hole, a 12 mounting head, a 121 first conical surface, a 122 first inserting end, a 13 connecting shaft, a 131 first rounded corner, a 14 connecting part, a 141 second rounded corner, a 142 sealing groove, a 143 second conical surface, a 144 second inserting end and a 145 connecting hole.
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.
Referring to fig. 1-3, a high-precision turbine shaft includes a main shaft rod 1, referring to fig. 1-3, one end of the main shaft rod 1 is provided with a limiting portion 11, the main shaft rod 1 is integrally operated by an axis machine, and is directly subjected to processes such as rolling, turning, stretching and the like, and is formed in one step, so that axial stability and coaxiality are ensured, and waste of materials is avoided, and production efficiency is improved, the surface of the limiting portion 11 is provided with annular mounting holes 111 which are distributed at equal intervals, the mounting holes 111 are circular, the mounting holes 111 are used for connecting fastening screws, the other side surface of the limiting portion 11 is provided with mounting heads 12, the mounting heads 12 are used for being inserted into turbine connecting grooves, the other end of the main shaft rod 1 is provided with a connecting shaft 13, the outer diameter of the connecting shaft 13 is smaller than that of the main shaft rod 1, a first fillet 131 is arranged between the connecting shaft 13 and the turbine shaft rod 1, the other end of the connecting shaft 13 is provided with a connecting portion 14, the outer diameter of the connecting shaft 14 is smaller than that the connecting shaft 13, a second fillet 141 is arranged between the connecting shaft 13, the connecting shaft 14 and the connecting groove 142, the sealing grooves are provided with two sealing grooves, and the sealing grooves 142, and the sealing grooves for rapidly increasing the number of the sealing grooves.
Referring to fig. 2, the mounting head 12 has a polygonal cross section, a first inserting end 122 is disposed at one end of the mounting head 12, a first tapered surface 121 is disposed between the first inserting end 122 and the mounting head 12, the polygonal mounting head 12 not only has the function of preventing the slip rotation, but also can increase the connection area between the turbine shaft and the turbine, the outer diameter of the first inserting end 122 is smaller than the outer diameter of the mounting head 12, and when the first inserting end 122 is assembled with the turbine, the positioning efficiency of the mounting head 12 can be improved.
Referring to fig. 3, one end of the connecting portion 14 is provided with a second inserting end 144, a second tapered surface 143 is disposed between the second inserting end 144 and the connecting portion 14, an outer diameter of the second inserting end 144 is smaller than an outer diameter of the connecting portion 14, so that the assembling and positioning efficiency of the connecting portion 14 is improved, one end surface of the second inserting end 144 is provided with a connecting hole 145, an inner wall of the connecting hole 145 is provided with an internal thread, the connecting hole 145 can be fastened with a screw through a thread, and further, the one end connection firmness of the turbine shaft is improved.
This high accuracy turbine shaft is through the spacing portion 11 and the installation head 12 that set up, the mounted position of fixed turbine shaft that not only can be quick, the connection area of turbine shaft and turbine has been increased simultaneously, great improvement joint strength, and polygonal installation head 12 can avoid turbine and turbine shaft junction to take place to skid, the rotational stability of turbine has been improved, and the turbine shaft adopts axle center machine integration operation, directly roll, technologies such as turning and drawing, one-time machine-shaping, turbine shaft axial stability and axiality have been guaranteed, the waste of material has been avoided simultaneously, and the production efficiency is improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (6)
1. A high-precision turbine shaft comprises a main shaft (1), and is characterized in that: the one end of main shaft pole (1) is provided with spacing portion (11), mounting hole (111) that the equidistant distribution of annular was seted up on the surface of spacing portion (11), the shape of mounting hole (111) is circular, the another side of spacing portion (11) is provided with installation head (12), the other end of main shaft pole (1) is provided with connecting axle (13), the external diameter of connecting axle (13) is less than the external diameter of main shaft pole (1), be equipped with first radius angle (131) between connecting axle (13) and main shaft pole (1), the other end of connecting axle (13) is provided with connecting portion (14), the external diameter of connecting portion (14) is less than the external diameter of connecting axle (13), be equipped with second radius angle (141) between connecting portion (14) and connecting axle (13), the surface of connecting portion (14) is provided with seal groove (142).
2. The high precision turbine shaft of claim 1 wherein: the cross section of the mounting head (12) is polygonal, a first inserting end (122) is arranged at one end of the mounting head (12), and a first conical surface (121) is arranged between the first inserting end (122) and the mounting head (12).
3. The high precision turbine shaft of claim 1 wherein: the shape of seal groove (142) is annular, the cross-sectional shape of seal groove (142) is the arc, the quantity of seal groove (142) is two.
4. A high accuracy turbine shaft as defined in claim 1, wherein: one end of the connecting part (14) is provided with a second inserting end (144), and a second conical surface (143) is arranged between the second inserting end (144) and the connecting part (14).
5. The high precision turbine shaft of claim 4 wherein: one end face of the second inserting end (144) is provided with a connecting hole (145), and the inner wall of the connecting hole (145) is provided with an internal thread.
6. The high precision turbine shaft of claim 2 wherein: the outer diameter of the first plugging end (122) is smaller than that of the mounting head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397422.3U CN218266032U (en) | 2022-06-06 | 2022-06-06 | High-precision turbine shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397422.3U CN218266032U (en) | 2022-06-06 | 2022-06-06 | High-precision turbine shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266032U true CN218266032U (en) | 2023-01-10 |
Family
ID=84756282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397422.3U Active CN218266032U (en) | 2022-06-06 | 2022-06-06 | High-precision turbine shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266032U (en) |
-
2022
- 2022-06-06 CN CN202221397422.3U patent/CN218266032U/en active Active
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