CN107420443A - A kind of turbine rotor high-speed balancing shaft coupling - Google Patents
A kind of turbine rotor high-speed balancing shaft coupling Download PDFInfo
- Publication number
- CN107420443A CN107420443A CN201710278839.5A CN201710278839A CN107420443A CN 107420443 A CN107420443 A CN 107420443A CN 201710278839 A CN201710278839 A CN 201710278839A CN 107420443 A CN107420443 A CN 107420443A
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- CN
- China
- Prior art keywords
- several
- pressure ring
- disk body
- shaft coupling
- spiral pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
A kind of turbine rotor high-speed balancing shaft coupling, it is related to a kind of shaft coupling, shaft coupling can not be connected or connected by normal end face and be inaccurate when doing high-speed balancing for the existing turbine rotor of solution, the problem of the pin-and-hole of rotor flange disk sagittal plane can only be connected with shaft coupling by spiral pin.Disk body side wall is followed successively by rotor construction section and pressure ring construction section corresponding to step trough, the side wall of pressure ring construction section is provided with several spiral pin holes, several spiral pin holes are set along disk body circumference uniform distribution, each spiral pin hole is circular hole and interior hexagonal spiral pin hole from the inside to the outside, the end face of pressure ring construction section is provided with several bolts hole, the right-hand member of disk body is provided with mounting flange, the mounting flange is provided with several screwed holes, pressure ring is arranged on the left end of disk body, pressure ring is provided with several through holes, several through holes and several bolts hole face one by one, pressure ring is connected with disk body by hexagon-headed bolt, an interior hexagonal spiral pin is threadedly coupled in each spiral pin hole.The present invention is used for Turbine Rotor Dynamic Balance Experiment.
Description
Technical field
The present invention relates to a kind of shaft coupling, and in particular to a kind of turbine rotor high-speed balancing shaft coupling.
Background technology
When doing dynamic balance running, the connection of rotor and dynamic balancing machine needs to carry out precision by shaft coupling turbine rotor
Mating connection, due to rotor end-face be non axial hole end face of flange, normally can not be connected with shaft coupling, most rotors are being held
There is the ring flange with axial hole in portion.The rotor of end face of flange with non axial hole is very tired when being connected with dynamic balancing machine
Difficulty, used shaft coupling will also have special construction.
The content of the invention
The present invention can not be connected or connected by normal end face to solve shaft coupling when existing turbine rotor does high-speed balancing
Connect it is inaccurate, the problem of the pin-and-hole of rotor flange disk sagittal plane can only be connected with shaft coupling by spiral pin.And provide one
Kind turbine rotor high-speed balancing shaft coupling.
The present invention adopts the technical scheme that to solve above-mentioned technical problem:
A kind of turbine rotor high-speed balancing shaft coupling of the present invention, it, which is formed, includes disk body, pressure ring, several interior six
Angle spiral pin and several hexagon-headed bolts, the left end of the disk body are provided with step trough, and disk body side wall corresponding to step trough, which is followed successively by, to be turned
Sub- construction section and pressure ring construction section, the side wall of pressure ring construction section are provided with several spiral pin holes, and several spiral pin holes are equal along disk body circumference
Cloth is set, and each spiral pin hole is circular hole and interior hexagonal spiral pin hole from the inside to the outside, and the end face of pressure ring construction section is provided with several bolts
Hole, the right-hand member of the disk body are provided with mounting flange, and the mounting flange is provided with several screwed holes, and pressure ring is arranged on disk body
Left end, pressure ring is provided with several through holes, and face, pressure ring pass through turret head spiral shell to several through holes with disk body one by one with several bolts hole
Tether and connect, pressure ring is provided with the centre bore with step trough face, and an interior hexagonal spiral pin is threadedly coupled in each spiral pin hole.
The present invention has the advantages that compared with prior art:
First, the present invention realizes the non-tape spool by the disk body of shaft coupling and turbine rotor by interior hexagonal spiral pin and pressure ring
To the precise match of the end face of flange in hole, the circular hole on disk body also acts the guiding in the first hole of spiral pin on articulation turbine rotor
Effect.Safe and reliable guarantee is provided to realize that turbine rotor does high-speed balancing experiment.
2nd, the present invention by pressure ring, hexagon-headed bolt, plain washer and spring washer by the non-band axial hole of turbine rotor
End face of flange auxiliary be clamped in disk body, serve by shaft coupling and rotor auxiliary connection effect.
3rd, form of the present invention is simple, easy to process, good reliability, it is practical the characteristics of.
4th, the present invention is flat to be done in the case of the end face of flange of non-band axial hole suitable for the rotor end-face of Steam Turbine
The field of weighing apparatus experiment.
Brief description of the drawings
Fig. 1 is the overall structure front view of the present invention;
Fig. 2 is Fig. 1 A-A sectional views;
Fig. 3 is the front view of disk body 1;
Fig. 4 is Fig. 3 B-B sectional views.
Embodiment
Embodiment one:Illustrate present embodiment with reference to Fig. 1~Fig. 4, present embodiment include disk body 1, pressure ring 2,
Several interior hexagonal spiral pins 3 and several hexagon-headed bolts 4, the left end of the disk body 1 are provided with step trough, disk body 1 corresponding to step trough
Side wall is followed successively by rotor construction section 1-1 and pressure ring construction section 1-2, and pressure ring construction section 1-2 side wall is provided with several spiral pin hole 1-
2-1, several spiral pin hole 1-2-1 are set along the circumference uniform distribution of disk body 1, each spiral pin hole 1-2-1 from the inside to the outside for circular hole 1-2-1-1 and
Interior hexagonal spiral pin hole 1-2-1-2, pressure ring construction section 1-2 end face are provided with several bolt hole 1-2-2, and the right-hand member of disk body 1 is provided with
Mounting flange 1-3, mounting flange 1-3 are provided with several screwed hole 1-3-1, and pressure ring 2 is arranged on the left end of disk body 1, pressure ring 2
Several through hole 2-1, several through hole 2-1 and several bolt hole 1-2-2 face one by one are provided with, pressure ring 2 passes through turret head with disk body 1
Bolt 4 is connected, and pressure ring 2 is provided with being threadedly coupled in the centre bore 2-2, each spiral pin hole 1-2-1 of step trough face in one
Hexagonal spiral pin 3.Several screwed hole 1-3-1 are set along same circumference uniform distribution.
Embodiment two:Illustrate present embodiment with reference to Fig. 4, present embodiment is that step trough is followed successively by from the inside to the outside
Rotor mounting groove 1-3 and pressure ring mounting groove 1-4.Other compositions and annexation are identical with embodiment one.
Embodiment three:Illustrate present embodiment with reference to Fig. 1, present embodiment is that dynamic balancing shaft coupling also includes
Several plain washers 5 and several spring washers 6, a plain washer 5 is set between the bolt head and pressure ring 2 of each hexagon-headed bolt 4
With a spring washer 6.Other compositions and annexation are identical with embodiment one or two.
The operation principle of the present invention:
First by the disk body 1 on the shaft coupling of the present invention and the hole at the beginning of circumferencial direction preboring respectively of turbine rotor 7, stay
Allowance;The left end of the present invention is sleeved on turbine rotor 7, will be first on the first hole and turbine rotor 7 on disk body 1
Hole is alignd, and is matched somebody with somebody simultaneously with reamer and is bored processing rotor pin-and-hole 7-1, the first hole on such disk body 1 serves articulation rotor pin-and-hole 7-1's
Guide effect, the spiral pin hole 1-2-1 and rotor pin-and-hole 7-1 roughness and the uniformity of tolerance of disk body 1 are ensure that, ensure that coaxial
Degree, tapping is consistent with the screw thread of interior hexagonal spiral pin on disk body 1, finally with interior hexagonal spiral pin that disk body 1 and turbine rotor 7 is smart
Close fit;The right-hand member of the present invention is connected on dynamic balancing machine by bolt and pin.Pressure ring 2 serves auxiliary in dynamic balance running
The effect of the tight disk body of pressing aid and rotor.Therefore, shaft coupling of the invention serves the work that turbine rotor 7 is connected with dynamic balancing machine
With.It ensure that the safety and steady of the high-speed balancing of turbine rotor 7 experiment.
Claims (3)
1. a kind of turbine rotor high-speed balancing shaft coupling, dynamic balancing shaft coupling include disk body (1), pressure ring (2),
Several interior hexagonal spiral pins (3) and several hexagon-headed bolts (4), it is characterised in that:The left end of the disk body (1) is provided with step trough,
Disk body corresponding to step trough (1) side wall is followed successively by rotor construction section (1-1) and pressure ring construction section (1-2), pressure ring construction section (1-2)
Side wall be provided with several spiral pin holes (1-2-1), several spiral pin holes (1-2-1) are set along disk body (1) circumference uniform distribution, each spiral pin
Hole (1-2-1) is circular hole (1-2-1-1) and interior hexagonal spiral pin hole (1-2-1-2) from the inside to the outside, the end face of pressure ring construction section (1-2)
Several bolts hole (1-2-2) are provided with, the right-hand member of the disk body (1) is provided with mounting flange (1-3), the mounting flange
(1-3) is provided with several screwed holes (1-3-1), and pressure ring (2) is arranged on the left end of disk body (1), and pressure ring (2) is provided with several through holes
(2-1), face, pressure ring (2) pass through hexagon-headed bolt to several through holes (2-1) with disk body (1) one by one with several bolts hole (1-2-2)
(4) connect, pressure ring (2) is provided with the centre bore (2-2) with step trough face, and one is threadedly coupled in each spiral pin hole (1-2-1)
Individual interior hexagonal spiral pin (3).
A kind of 2. turbine rotor high-speed balancing shaft coupling according to claim 1, it is characterised in that:The ladder
Groove is followed successively by rotor mounting groove (1-3) and pressure ring mounting groove (1-4) from the inside to the outside.
A kind of 3. turbine rotor high-speed balancing shaft coupling according to claim 1 or 2, it is characterised in that:It is described
Dynamic balancing also includes several plain washers (5) and several spring washers (6), the bolt head of each hexagon-headed bolt (4) with shaft coupling
One plain washer (5) and a spring washer (6) are set between pressure ring (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710278839.5A CN107420443A (en) | 2017-04-25 | 2017-04-25 | A kind of turbine rotor high-speed balancing shaft coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710278839.5A CN107420443A (en) | 2017-04-25 | 2017-04-25 | A kind of turbine rotor high-speed balancing shaft coupling |
Publications (1)
Publication Number | Publication Date |
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CN107420443A true CN107420443A (en) | 2017-12-01 |
Family
ID=60424298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710278839.5A Pending CN107420443A (en) | 2017-04-25 | 2017-04-25 | A kind of turbine rotor high-speed balancing shaft coupling |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021196202A1 (en) * | 2020-04-03 | 2021-10-07 | 大族激光科技产业集团股份有限公司 | Shaft connecting device and lithium battery cell winding system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639586A1 (en) * | 1986-11-20 | 1988-05-26 | Krupp Gmbh | Shaft connection |
JPH11241742A (en) * | 1998-02-25 | 1999-09-07 | Oriental Motor Co Ltd | Motor with electromagnetic brake |
CN202001512U (en) * | 2011-03-21 | 2011-10-05 | 宁波方圆风机制造有限公司 | Dynamic balance combined joint |
CN204610629U (en) * | 2015-04-02 | 2015-09-02 | 哈尔滨广瀚动力传动有限公司 | A kind of gas turbine drive axle anti-reverse mechanism |
CN205908662U (en) * | 2016-06-15 | 2017-01-25 | 山东钢铁股份有限公司 | Modular axial connecting flange |
-
2017
- 2017-04-25 CN CN201710278839.5A patent/CN107420443A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639586A1 (en) * | 1986-11-20 | 1988-05-26 | Krupp Gmbh | Shaft connection |
JPH11241742A (en) * | 1998-02-25 | 1999-09-07 | Oriental Motor Co Ltd | Motor with electromagnetic brake |
CN202001512U (en) * | 2011-03-21 | 2011-10-05 | 宁波方圆风机制造有限公司 | Dynamic balance combined joint |
CN204610629U (en) * | 2015-04-02 | 2015-09-02 | 哈尔滨广瀚动力传动有限公司 | A kind of gas turbine drive axle anti-reverse mechanism |
CN205908662U (en) * | 2016-06-15 | 2017-01-25 | 山东钢铁股份有限公司 | Modular axial connecting flange |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021196202A1 (en) * | 2020-04-03 | 2021-10-07 | 大族激光科技产业集团股份有限公司 | Shaft connecting device and lithium battery cell winding system |
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Application publication date: 20171201 |