CN210033951U - Large-scale rim plate wheel hub combination formula axial compressor rotor structure - Google Patents
Large-scale rim plate wheel hub combination formula axial compressor rotor structure Download PDFInfo
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- CN210033951U CN210033951U CN201920609400.0U CN201920609400U CN210033951U CN 210033951 U CN210033951 U CN 210033951U CN 201920609400 U CN201920609400 U CN 201920609400U CN 210033951 U CN210033951 U CN 210033951U
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Abstract
The utility model discloses a large-scale wheel disc and wheel hub combined axial flow compressor rotor structure, which comprises a rotor spindle head, a wheel hub, a wheel disc and a moving blade; the rotor shaft heads comprise a first rotor shaft head and a second rotor shaft head, and a wheel disc and a wheel hub are connected between the two rotor shaft heads; the end face of the hub is provided with a plurality of screw holes which can penetrate through the wheel disc; the wheel discs correspondingly penetrate through the screw holes in the end face of the hub, the wheel disc mounting holes in the end face of the wheel discs correspond to the hub mounting holes in the hub, and the wheel discs are fixed through mounting pieces penetrating through the hub mounting holes and the wheel disc mounting holes; the wheel disc is provided with moving blades. Whole device is convenient for the manufacturing and the transportation of rotor, reduces the start-up degree of difficulty of dragging the motor very big reduction rotor's quality and inertia, can adopt spindle nose and single-deck or double-deck wheel hub, rim plate, pull rod bolt integrated configuration according to the intensity design condition.
Description
Technical Field
The utility model belongs to turbomachinery equipment field, concretely relates to large-scale rim plate wheel hub combination formula axial compressor rotor structure.
Background
The axial flow compressor is a turbine mechanical device for providing compressed gas, and is an important power device for large-scale air supply and gas compression in the industries of smelting, petroleum, chemical industry, pharmacy, environmental protection, wind tunnel and the like. The axial flow compressor mainly comprises a stator, a rotor and other main parts, wherein the rotor is the most important part of the axial flow compressor. The conventional axial flow compressor rotor adopts a solid shaft or hollow shaft structure.
The axial compressor adopts original structural style along with the maximization of equipment, and the rotor design leads to the rotor quality very big, and inertia is big, and the manufacturing of rotor and the degree of difficulty of transportation are all very big, and the motor that drags starts the difficulty, increases the investment cost of equipment.
Disclosure of Invention
In view of the above problem, an object of the utility model is to provide a large-scale rim plate wheel hub combination formula axial compressor rotor structure, the quality and the inertia of reduction rotor that can be very big, the manufacturing and the transportation of the rotor of being convenient for reduce the start-up degree of difficulty that drags the motor to set up multilayer wheel hub according to actual conditions.
A large-scale wheel disc and wheel hub combined axial flow compressor rotor structure comprises rotor shaft heads, a wheel hub and a wheel disc, wherein the rotor shaft heads comprise a first rotor shaft head and a second rotor shaft head, and the wheel disc and the wheel hub are connected between the two rotor shaft heads;
the end face of the hub is provided with a plurality of screw holes capable of penetrating through the wheel disc, and a hub mounting hole is formed in the hub;
the rim plate be a plurality of, the terminal surface is provided with the rim plate mounting hole, the screw that the rim plate corresponds and passes the wheel hub terminal surface, the installed part passes wheel hub mounting hole and rim plate mounting hole and makes up wheel hub and rim plate, installs the moving blade on the rim plate.
Furthermore, a gap is positioned between the rotor shaft head and the wheel disc.
Further, a plurality of hubs are arranged between the wheel disc and the hubs.
Further, the installed part be the stay bolt, the mounting hole is the screw.
Further, the mounting member is elongated to a predetermined amount of tension by a hydraulic tension device.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the wheel disc and wheel hub combined structure is adopted, so that the mass and the rotational inertia of the rotor are greatly reduced, the rotor is convenient to process, manufacture and transport, and the starting difficulty of the dragging motor is reduced;
2. according to the strength design condition, a combined structure of the shaft head, a single-layer or double-layer hub, a wheel disc and a pull rod bolt can be adopted.
Drawings
FIG. 1 is a structural view of a double-layer hub combined rotor of the present invention;
FIG. 2 is a structural view of the single-layer hub combined rotor of the present invention;
the reference numbers in the figures are: 1-rotor shaft head, 2-wheel disc, 3-shaft head, 4-nut, 5-hub I, 6-long pull rod bolt, 7-short pull rod bolt, 8-hub II and 9-moving blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A large-scale wheel disc and wheel hub combined axial flow compressor rotor structure comprises a rotor shaft head, a wheel hub and a wheel disc 2, and further comprises a mounting piece and a moving blade 9;
the rotor shaft head comprises a first rotor shaft head 1 and a second rotor shaft head 3, a wheel disc and a wheel hub are connected between the two rotor shaft heads, and seam allowances are formed between the rotor shaft heads and the wheel disc and between the wheel disc and the wheel hub for positioning.
The end face of the hub is provided with a plurality of screw holes which can penetrate through the wheel disc 2, and a hub mounting hole is formed in the hub;
the rim plate 2 be a plurality of, the terminal surface is provided with the rim plate mounting hole, the rim plate 2 is corresponding with the mounting hole of wheel hub terminal surface, the installed part passes the wheel hub mounting hole and is connected wheel hub and rim plate 2 with the rim plate mounting hole, stretch out the installed part to predetermined tensile volume through hydraulic stretching device, according to actual conditions, can set up between the rim plate 2 and fix through double-deck wheel hub, install the moving blade on the rim plate 2, the installed part is the pull rod bolt in this embodiment, the mounting hole is the screw.
Example 1:
as shown in fig. 1, a double-layer hub combined structure is adopted, a rotor spindle head 1 and a rotor spindle head 3 are firstly assembled and connected with a hub I through a spigot, in the embodiment, three wheel discs 2 are assembled between two long hub I, during assembly, screw holes in the hubs are aligned with screw hole centers of end faces of the wheel discs 2, long pull rod bolts 6 are installed from one ends, after installation is completed, nuts 4 are installed, the long pull rod bolts 6 are stretched to a preset stretching amount by using a special hydraulic stretching device, the nuts 4 are screwed, after installation, two hubs II are installed on the wheel discs 2 according to actual conditions, the same installation mode is adopted, assembly is completed by using the short pull rod bolts 7 and the nuts 4, moving blades 9 are installed at two ends of the wheel discs 2, the assembly of the whole rotor can be completed, and the rotor transmits torque by friction force generated on each contact surface.
Example 2:
as shown in fig. 2, a single-layer hub combined structure is adopted, the rotor spindle head 1 and the rotor spindle head 3 are firstly assembled and connected with a hub ii through a spigot, in the embodiment, three wheel discs 2 are assembled between two hubs ii, during assembly, screw holes in the hubs are aligned with the screw hole centers of the end faces of the wheel discs 2, short pull rod bolts 7 are installed from one end, after installation is completed, nuts 4 are installed, the short pull rod bolts 7 are stretched to a preset stretching amount by using a special hydraulic stretching device, the nuts 4 are screwed, then moving blades 9 are installed on the wheel discs 2, the whole rotor can be assembled, and the rotor transmits torque by friction force generated on each contact surface.
Claims (5)
1. A large-scale wheel disc and wheel hub combined axial flow compressor rotor structure comprises rotor shaft heads, a wheel hub and a wheel disc (2), and is characterized in that the rotor shaft heads comprise a first rotor shaft head (1) and a second rotor shaft head (3), and the wheel disc (2) and the wheel hub are connected between the two rotor shaft heads;
the end face of the hub is provided with a plurality of screw holes which can penetrate through the wheel disc (2), and the hub is internally provided with a hub mounting hole;
the wheel disc (2) be a plurality of, the terminal surface is provided with the rim plate mounting hole, the screw that passes the wheel hub terminal surface is corresponded in rim plate (2), the installed part passes wheel hub mounting hole and rim plate mounting hole and makes up wheel hub and rim plate (2), install moving blade (9) on rim plate (2).
2. A large disk hub combination axial flow compressor rotor structure as claimed in claim 1, wherein a gap is positioned between the rotor shaft head and the hub.
3. A large disc and hub combination axial flow compressor rotor structure according to claim 1, characterized in that said discs (2) include a plurality of hubs therebetween.
4. The rotor structure of a large disk hub axial flow compressor according to claim 1, wherein said mounting member is a tie bolt and the mounting hole is a screw hole.
5. A large disk hub axial flow compressor rotor structure in accordance with claim 1, wherein said mounting member is elongated to a predetermined amount of elongation by a hydraulic stretching means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920609400.0U CN210033951U (en) | 2019-04-29 | 2019-04-29 | Large-scale rim plate wheel hub combination formula axial compressor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920609400.0U CN210033951U (en) | 2019-04-29 | 2019-04-29 | Large-scale rim plate wheel hub combination formula axial compressor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033951U true CN210033951U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920609400.0U Active CN210033951U (en) | 2019-04-29 | 2019-04-29 | Large-scale rim plate wheel hub combination formula axial compressor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033951U (en) |
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2019
- 2019-04-29 CN CN201920609400.0U patent/CN210033951U/en active Active
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