CN207960688U - Rotary engine bindiny mechanism and Small Gas Turbine Engine rotor - Google Patents
Rotary engine bindiny mechanism and Small Gas Turbine Engine rotor Download PDFInfo
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- CN207960688U CN207960688U CN201721719683.1U CN201721719683U CN207960688U CN 207960688 U CN207960688 U CN 207960688U CN 201721719683 U CN201721719683 U CN 201721719683U CN 207960688 U CN207960688 U CN 207960688U
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- bolt
- rotor
- bindiny mechanism
- turbine rotor
- disc
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Abstract
The utility model discloses a kind of rotary engine bindiny mechanism and Small Gas Turbine Engine rotor, which includes the first bolt and the second bolt.The stem of first bolt is equipped with for first shaft shoulder against centrifugal impeller, tail portion is equipped with for the threaded portion with the mating connection of the end face of the second bolt, second bolt stem is equipped with for second shaft shoulder against disc, tail portion is equipped with for the end face of the retaining mechanism of disc, drum barrel axis, first order turbine rotor, second level turbine rotor and piston shaft locking, second shaft shoulder to be equipped with threaded hole.Above-mentioned rotary engine bindiny mechanism, second bolt is connected disc, drum barrel axis, first order turbine rotor, second level turbine rotor and piston shaft by the shaft shoulder on head and the retaining mechanism of tail portion, and then centrifugal impeller is connected on entire rotor by the first bolt by the head shaft shoulder and the screw thread of tail portion.The rotary engine bindiny mechanism is compact-sized, installing and dismounting is simple.
Description
Technical field
The utility model is related to engine bindiny mechanism fields, particularly, are related to a kind of rotary engine bindiny mechanism.This
Outside, the utility model further relates to a kind of Small Gas Turbine Engine rotor including above-mentioned rotary engine bindiny mechanism.
Background technology
The connection of existing aero-engine compressor rotor and turbine rotor mainly uses shaft coupling to connect, shaft coupling knot
Structure is complicated, and assembly and disassembly process difficulty is big, and rotor is felt relieved by fulcrum, and rotor vibrates greatly at work, is poorly suitable for small
Type gas-turbine unit.And general tens to hundreds of kilowatts of the power of Small Gas Turbine Engine, diameter dimension is general
Tens to hundreds of millimeters, coupler structure complexity size can be bigger, unsuitable.
Utility model content
The utility model provides a kind of rotary engine bindiny mechanism, and to solve, existing coupler structure is complicated, fills
With the big technical problem of dismounting process difficulty.
The technical solution adopted in the utility model is as follows：
On the one hand the utility model provides a kind of rotary engine bindiny mechanism, including be used to be connected and fixed centrifugal impeller
The first bolt and for being sequentially connected fixed disc, drum barrel axis, first order turbine rotor, second level turbine rotor, piston
Second bolt of axis.
The stem of first bolt is equipped with for first shaft shoulder against centrifugal impeller, tail portion be equipped with for the second bolt
The threaded portion that end face is connected, the second bolt stem are equipped with for second shaft shoulder against disc, and tail portion is equipped with for will
The retaining mechanism of disc, drum barrel axis, first order turbine rotor, second level turbine rotor and piston shaft locking, second shaft shoulder
End face is equipped with threaded hole.
Further, the first bolt be equipped with for and the cooperation of centrifugal impeller inner wall the of radial positioning is carried out to the first bolt
One positioning section, the second bolt be equipped with for and disc inner wall cooperation to the second bolt carry out radial positioning the second positioning section,
For with drum barrel axis inner wall cooperation to the second bolt carry out radial positioning third positioning section and be used for and piston shaft inner wall coordinate
The 4th positioning section of radial positioning is carried out to the second bolt.
Further, the first positioning section, the second positioning section, third positioning section and the 4th positioning section are smooth, cylindrical peripheral surface.
Further, retaining mechanism is self-locking nut.
Further, self-locking nut be deformation self-locking nut, deform self-locking nut on set there are two for be depressed into deformation with
Form the floor of self-locking.
Further, the periphery of first shaft shoulder is equipped with the spline for being connected with extraneous mechanism.
On the other hand the utility model provides a kind of Small Gas Turbine Engine rotor, including centrifugal impeller, get rid of oil
Disk, drum barrel axis, first order turbine rotor, second level turbine rotor, piston shaft and above-mentioned rotary engine bindiny mechanism.
Further, centrifugal impeller, disc, drum barrel axis, first order turbine rotor, second level turbine rotor and piston shaft
Between be sequentially connected by circular arc end tooth.
The utility model has the advantages that：Above-mentioned rotary engine bindiny mechanism, the second bolt pass through head
The shaft shoulder and the retaining mechanism of tail portion are by disc, drum barrel axis, first order turbine rotor, second level turbine rotor and piston axis connection
Get up, then centrifugal impeller is connected on entire rotor by the first bolt by the head shaft shoulder and the screw thread of tail portion.The rotor is sent out
Motivation bindiny mechanism is compact-sized, installing and dismounting is simple.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the Small Gas Turbine Engine rotor schematic diagram of the preferred embodiment in the utility model；
Fig. 2 is the retaining mechanism schematic diagram of the preferred embodiment in the utility model.
Reference sign：100, the first bolt；200, the second bolt；300, centrifugal impeller；400, disc；500, drum
Cylinder axis；600, first order turbine rotor；700, second level turbine rotor；800, piston shaft；900, circular arc end tooth；
110, first shaft shoulder；111, spline；120, threaded portion；130, the first positioning section；140, the second positioning section；150,
Three positioning sections；160, the 4th positioning section；
210, second shaft shoulder；220, retaining mechanism；230, threaded hole；221, floor.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Referring to Fig.1, the preferred embodiment of the utility model provides a kind of rotary engine bindiny mechanism, including the company of being used for
Connect the first bolt 100 of fixed centrifugal impeller 300 and for being sequentially connected fixed disc 400, drum barrel axis 500, first order whirlpool
Take turns the second bolt 200 of rotor 600, second level turbine rotor 700, piston shaft 800.The stem of first bolt 100 is equipped with and is used for
Against first shaft shoulder 110 of centrifugal impeller 300, tail portion is equipped with for the threaded portion with the mating connection of the end face of the second bolt 200
120,200 stem of the second bolt is equipped with for second shaft shoulder 210 against disc 400, and tail portion is equipped with for by disc
400, the retaining mechanism that drum barrel axis 500, first order turbine rotor 600, second level turbine rotor 700 and piston shaft 800 are locked
220, the end face of second shaft shoulder 210 is equipped with threaded hole 230.
Disc 400, drum barrel axis 500, first order turbine rotor 600, second level turbine rotor 700 and piston shaft 800 according to
Secondary arrangement, the second bolt 200 penetrate above-mentioned component successively, and second shaft shoulder 210 of 200 stem of the second bolt resists disc 400
It tensing, the retaining mechanism 220 of tail portion is pressed on piston shaft 800 and locks, and prevents retaining mechanism 220 under high speed rotation from deviating from,
Cause engine failure.First shaft shoulder 110 of 100 stem of the first bolt resists centrifugal impeller 300 and compresses it, and tail portion passes through spiral shell
First bolt 100 is fixed on the second bolt 200 by line portion 120 with the mating connection of threaded hole 230.
The utility model has the advantages that：Above-mentioned rotary engine bindiny mechanism, the second bolt 200 pass through head
The shaft shoulder and tail portion retaining mechanism 220 by disc 400, drum barrel axis 500, first order turbine rotor 600, second level turbine turn
Son 700 and piston shaft 800 connect, then the first bolt 100 by the head shaft shoulder and the screw thread of tail portion by centrifugal impeller 300
It is connected on entire rotor.The rotary engine bindiny mechanism is compact-sized, installing and dismounting is simple.
Optionally, referring to Fig.1, the first bolt 100 is equipped with for coordinating to the first bolt 100 with 300 inner wall of centrifugal impeller
The first positioning section 130 of radial positioning is carried out, the second bolt 200 is equipped with for coordinating to the second bolt with 400 inner wall of disc
Second positioning section 140 of 200 progress radial positionings, be used for and the cooperation of 500 inner wall of drum barrel axis the second bolt 200 is carried out it is radial fixed
Position third positioning section 150 and for 800 inner wall of piston shaft cooperation to the second bolt 200 carry out radial positioning the 4th positioning
Section 160.
300 inner wall of centrifugal impeller carries out radial positioning by the first positioning section 130 to the first bolt 100, in disc 400
Wall carries out radial positioning by the second positioning section 140 to the second bolt 200, and 500 inner wall of drum barrel axis is right by third positioning section 150
Second bolt 200 carries out radial positioning, and it is radial fixed that 800 inner wall of piston shaft carries out the second bolt 200 by the 4th positioning section 160
Position.In the present embodiment, not the first bolt 100,200 entirety of the second bolt are positioned, but uses segmentation to first
Bolt 100, the second bolt 200 are positioned, and the positioning segment length of segmentation is relatively short, and precision is high, make the first bolt 100,
Second bolt, 200 radial positioning is accurate, is conducive to improve centering precision.
Optionally, referring to Fig.1, the first positioning section 130, the second positioning section 140, third positioning section 150 and the 4th positioning section
160 be smooth, cylindrical peripheral surface.Smooth, cylindrical peripheral surface positioning is more accurate, is more advantageous to raising centering precision.
Optionally, referring to Fig.1, retaining mechanism 220 is self-locking nut.Self-locking nut is simple in structure, and reliability is high, can prevent
Deviate from rotation process, causes failure.
Optionally, with reference to Fig. 2, self-locking nut is that self-locking nut is deformation self-locking nut, and deformation self-locking nut is equipped with two
It is a to be deformed for being depressed into form the floor 221 of self-locking.Deformation self-locking nut is simple in structure, reliability is high.
Optionally, referring to Fig.1, the periphery of first shaft shoulder 110 is equipped with the spline 111 for being connected with extraneous mechanism.This sets
It counts compact-sized, the first bolt 100 can be prevented from rotating, prevent it from loosening.
On the other hand the utility model provides a kind of Small Gas Turbine Engine rotor, including centrifugal impeller 300, get rid of
Food tray 400, drum barrel axis 500, first order turbine rotor 600, second level turbine rotor 700, piston shaft 800 and above-mentioned rotor hair
Motivation bindiny mechanism.
Second bolt 200 is by the shaft shoulder on head and the retaining mechanism 220 of tail portion by disc 400, drum barrel axis 500,
First turbine rotor 600, second level turbine rotor 700 and piston shaft 800 connect, and then the first bolt 100 passes through head
Centrifugal impeller 300 is connected on entire rotor by the shaft shoulder and the screw thread of tail portion.Machine is connected as a result of above-mentioned rotary engine
Structure, thus the Small Gas Turbine Engine rotor of the present embodiment, compact-sized, installation and removal are convenient.
Optionally, referring to Fig.1, centrifugal impeller 300, disc 400, drum barrel axis 500, first order turbine rotor 600, second
It is sequentially connected by circular arc end tooth 900 between grade turbine rotor 700 and piston shaft 800.
Radial and axial positioning can be carried out by the circular arc end tooth of end face 900 between each rotor part, when above-mentioned rotor portions
After the completion of the radial and axial positioning of part so that the first bolt 100 and the positioning of the second bolt 200 are also more accurate.Due to arc end
900 centering precision of tooth is high, thus rotor is with small vibration at work.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of rotary engine bindiny mechanism, which is characterized in that the first spiral shell including being used to be connected and fixed centrifugal impeller (300)
Bolt (100) and for being sequentially connected fixed disc (400), drum barrel axis (500), first order turbine rotor (600), second level whirlpool
Take turns the second bolt (200) of rotor (700), piston shaft (800)；
The stem of first bolt (100) is equipped with for first shaft shoulder (110) against centrifugal impeller (300), and tail portion is equipped with
For the threaded portion (120) with the mating connection of the end face of second bolt (200), the stem of second bolt (200) is set
It is useful for second shaft shoulder (210) against disc (400), tail portion is equipped with for by the disc (400), the drum barrel axis
(500), the locking of the first order turbine rotor (600), the second level turbine rotor (700) and piston shaft (800) locking
The end face of mechanism (220), second shaft shoulder (210) is equipped with threaded hole (230).
2. rotary engine bindiny mechanism according to claim 1, which is characterized in that first bolt (100) is equipped with
The first positioning section for carrying out radial positioning to first bolt (100) with the cooperation of the centrifugal impeller (300) inner wall
(130), second bolt (200) be equipped with for and the disc (400) inner wall cooperation to second bolt (200) into
The second positioning section (140) of row radial positioning, be used for and the drum barrel axis (500) inner wall cooperation to second bolt (200)
Carry out the third positioning section (150) of radial positioning and for coordinating to second bolt with the piston shaft (800) inner wall
(200) the 4th positioning section (160) of radial positioning is carried out.
3. rotary engine bindiny mechanism according to claim 2, which is characterized in that first positioning section (130), institute
It is smooth, cylindrical peripheral surface to state the second positioning section (140), the third positioning section (150) and the 4th positioning section (160).
4. rotary engine bindiny mechanism according to claim 1, which is characterized in that the retaining mechanism (220) is certainly
Split nut.
5. rotary engine bindiny mechanism according to claim 4, which is characterized in that the self-locking nut is deformation self-locking
Nut, sets that there are two for being depressed into deformation to form the floor (221) of self-locking on the deformation self-locking nut.
6. rotary engine bindiny mechanism according to any one of claims 1 to 5, which is characterized in that the first axle
The periphery of shoulder (110) is equipped with the spline (111) for being connected with extraneous mechanism.
7. a kind of Small Gas Turbine Engine rotor, which is characterized in that including centrifugal impeller (300), disc (400), drum
In cylinder axis (500), first order turbine rotor (600), second level turbine rotor (700), piston shaft (800) and claim 1~6
Any one of them rotary engine bindiny mechanism.
8. Small Gas Turbine Engine rotor according to claim 7, which is characterized in that the centrifugal impeller (300),
The disc (400), the drum barrel axis (500), the first order turbine rotor (600), the second level turbine rotor
(700) it is sequentially connected by circular arc end tooth (900) between the piston shaft (800).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719683.1U CN207960688U (en) | 2017-12-11 | 2017-12-11 | Rotary engine bindiny mechanism and Small Gas Turbine Engine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719683.1U CN207960688U (en) | 2017-12-11 | 2017-12-11 | Rotary engine bindiny mechanism and Small Gas Turbine Engine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960688U true CN207960688U (en) | 2018-10-12 |
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ID=63728919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721719683.1U Active CN207960688U (en) | 2017-12-11 | 2017-12-11 | Rotary engine bindiny mechanism and Small Gas Turbine Engine rotor |
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| Country | Link |
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| CN (1) | CN207960688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645097A (en) * | 2019-08-23 | 2020-01-03 | 湖南航翔燃气轮机有限公司 | Gas turbine generating set rotor subassembly and gas turbine generating set |
-
2017
- 2017-12-11 CN CN201721719683.1U patent/CN207960688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645097A (en) * | 2019-08-23 | 2020-01-03 | 湖南航翔燃气轮机有限公司 | Gas turbine generating set rotor subassembly and gas turbine generating set |
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