CN110360148A - A kind of turbine thermoelectric conversion system threaded connection rotor structure - Google Patents
A kind of turbine thermoelectric conversion system threaded connection rotor structure Download PDFInfo
- Publication number
- CN110360148A CN110360148A CN201910647940.2A CN201910647940A CN110360148A CN 110360148 A CN110360148 A CN 110360148A CN 201910647940 A CN201910647940 A CN 201910647940A CN 110360148 A CN110360148 A CN 110360148A
- Authority
- CN
- China
- Prior art keywords
- turbine
- shaft
- axle sleeve
- assembly
- motor shaft
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/026—Shaft to shaft connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Rotor structure is threadedly coupled the present invention relates to a kind of turbine thermoelectric conversion system and manufacturing method, the rotor structure are assembled by compressor impeller, retaining ring, axle sleeve, motor shaft and turbine shaft.It is connected between the compressor impeller, retaining ring, axle sleeve, motor shaft and turbine shaft using Screw assembly structure.On the basis of completing rotor composition parts machining, the assembly of motor shaft is carried out first, secondly the assembly of motor shaft and turbine shaft is carried out, then the assembly between axle sleeve, motor shaft and turbine shaft is carried out, the assembly between compressor impeller, axle sleeve, turbine shaft and retaining ring is finally carried out, complete rotor structure is formed.Screw assembly connection structure is used between the composition components of the rotor, it can effectively improve the bonding strength and rigidity of rotor, it prevents from the rotor of turbine thermoelectric conversion system from forming components to get loose during the work time, helps to improve the run stability of rotor and the functional reliability of system.
Description
Technical field
The invention belongs to closed cycle turbine thermoelectric conversion system field of structural design, and in particular to a kind of turbine thermoelectricity turn
It changes system and is threadedly coupled rotor structure.
Background technique
Closed cycle turbine thermoelectric conversion system, can be by certain gas as a kind of new and effective heating power reformulations
Body working medium realizes thermal energy to electric energy under enclosed environment by absorbing the thermal processions such as heat, expansion work, heat release and compression
Conversion.Typical closed cycle turbine thermoelectric conversion system is mainly made of components such as turbine, compressor, motor, regenerators.
Closed cycle turbine thermoelectric conversion system rotor includes turbine and compressor impeller rotor and generator amature two
Point, it is the component of core the most in system, the stable operation of system, overall efficiency, reliability and service life is played decisive
Effect.During operation, rotor is in high speed rotation state to closed cycle turbine thermoelectric conversion system, and revolving speed is up to several
Ten thousand revs/min or ten tens of thousands of revs/min, rotor structure once breaks down, and the system of not only resulting in can not work normally, but also meeting
Cause the structural failure of closed cycle turbine thermoelectric conversion system.Therefore, rotor structure is rationally designed for guaranteeing shrouded turbine
The run stability of thermoelectric conversion system and structural reliability are most important.
Existing closed cycle radial turbine thermoelectric conversion system rotor mainly include turbine, main shaft, compressor impeller,
The components such as motor shaft, shaft coupling realize that turbine and compressor impeller rotor turn with motor by elastic conjunction by shaft coupling
Connection between son, specifically: main shaft carries on the back boss and compressor impeller wheel back with turbine rotor wheel respectively by its both ends inner hole
Boss interference is joined together to form power shaft, then with motor shaft one end and is calmed the anger respectively by the both ends inner hole of shaft coupling
Elastic conjunction between the wheel hub of machine impeller inlet end, power shaft and motor shaft are linked together, complete rotor is formed.It is existing
There is rotor structure using interference connection type, although can guarantee the concentricity between each component of rotor to a certain extent,
It is to add since rotor interference bonding strength depends on the fitted position and its tolerance between each components to component assembly position
Work precision proposes very high request；In addition the practical magnitude of interference of rotor connecting portion during the work time can reduce, and reduce rotor
Bonding strength, components, which are also easy to produce, to be loosened, and the reliability of closed cycle turbine thermoelectric conversion system is directly affected；In addition, this
The repeatable assembling of class rotor is poor.
For closed cycle radial turbine thermoelectric conversion system to the high reliability and long life requirement of rotor structure, need
The composition components of rotor and the assembling structure and technological parameter of components are rationally designed, guarantees that the connection of rotor structure is strong
Degree and functional reliability.
Summary of the invention
The present invention is directed to closed cycle turbine thermoelectric conversion system rotor structure, proposes a kind of turbine thermoelectric conversion system spiral shell
Line connects rotor structure.According to the dimensional parameters of the turbine of closed cycle turbine thermoelectric conversion system, compressor and motor, pass through
Rationally design compressor impeller, retaining ring, the structure size and Screw assembly torque of axle sleeve, motor shaft and turbine shaft.?
On the basis of completing parts and components of rotor processing, secondly progress motor shaft assembly first carries out the assembly of motor shaft and turbine shaft,
Then the assembly between axle sleeve, motor shaft and turbine shaft finally carries out compressor impeller, axle sleeve, turbine shaft and retaining ring
Assembly, form complete rotor structure.The rotor, which forms, uses Screw assembly and locking mechanism between components, can be effective
The bonding strength for improving rotor, prevents the parts and components of rotor of turbine thermoelectric conversion system from getting loose during the work time, helps
In the run stability and structural reliability of the system of raising.
Technical solution of the present invention:
A kind of turbine thermoelectric conversion system threaded connection rotor structure, including compressor impeller, retaining ring, axle sleeve, motor
Axis and turbine shaft.There are the threaded hole of same turbine shaft assembly, the threaded hole of the compressor impeller on the compressor impeller
Internal screw thread rotation direction it is identical as rotation direction when turbine electricity generation system working rotor, have coaxial package on the compressor impeller
The external cylindrical surface matched has the locking annular groove with retaining ring assembly, the inlet end of the compressor impeller on the compressor impeller
Equipped with clamping nut；The retaining ring is elastic opening ring, and the retaining ring is assemblied in the lock of turbine shaft and compressor impeller
In tight annular groove；There are the annular Thrust Faces of coaxial bearing fit on the axle sleeve, there is same transverse bearing to cooperate on the axle sleeve
External cylindrical surface, there are the inner cylinder face and through-hole assembled respectively with compressor impeller and turbine shaft, institute in one end of the axle sleeve
The other end for stating axle sleeve has the inner cylinder face and threaded hole assembled respectively with motor shaft short sleeve and turbine shaft；The motor shaft
It is made of magnetic core, long axle sleeve and short sleeve, the magnetic core of the motor shaft is located at the inside of long axle sleeve and short sleeve, the motor shaft
Long axle sleeve and short sleeve be linked and packed together by interference, one end of the long axle sleeve of the motor shaft has and turbine shaft phase
The threaded hole of assembly, one end of the short sleeve of the motor shaft have the external cylindrical surface that coaxial sleeve and turbine shaft mutually assemble respectively and
Threaded hole；The turbine shaft is welded together by turbine wheel and shaft, has same compressor impeller to fill in the turbine shaft
The external screw thread matched has the locking annular groove of same retaining ring assembly in the turbine shaft, has coaxial package to match in the turbine shaft
Optical axis, have the external screw thread of coaxial sleeve and the assembly of motor shaft short sleeve in the turbine shaft, have in the turbine shaft with electricity
Arbor long axis covers the external screw thread of assembly, there is the external cylindrical surface of same transverse bearing assembly, the turbine shaft in the turbine shaft
It is equipped with loss of weight cavity, the turbine shaft is equipped with clamping nut.
A kind of turbine thermoelectric conversion system threaded connection method for manufacturing rotor, comprising the following steps:
A, the parameters of structural dimension of turbine thermoelectric conversion system rotor is determined: according to closed cycle turbine thermoelectric conversion system
Turbine, compressor and motor dimensional parameters, determine rotor form components i.e. compressor impeller, retaining ring, axle sleeve, motor
The parameters of structural dimension of axis and turbine shaft；
B, the Screw assembly torque between rotor composition components is determined: according to closed cycle turbine thermoelectric conversion system
Rotor structure size, kinetic characteristics and running parameter determine turbine thermoelectric conversion system rotor set at the spiral shell between components
Line assembles torque；
C, turbine thermoelectric conversion system rotor set is carried out into the manufacture of components: being turned according to the turbine thermoelectricity that step a is determined
The parameters of structural dimension of system rotor composition components is changed, processing compressor impeller, retaining ring, axle sleeve, motor shaft and turbine turn
Axis；
D, it carries out the assembly of motor shaft: taking elastic conjunction mode first, by heating the long axle sleeve of motor shaft, by motor
Magnetic core be assembled together with long axis set, then take elastic conjunction mode, by heat motor shaft short sleeve, by short sleeve
It is assembled together with magnetic core, long axis set, forms complete motor shaft；
E, it carries out the assembly between motor shaft and turbine shaft: turbine shaft being passed through into motor shaft centre bore, according to step b
Determining Screw assembly torque, is screwed by screw thread, motor shaft and turbine shaft is assembled together, and guarantees that counterface is mutual
It is adjacent to；
F, it carries out the assembly between axle sleeve, motor shaft and turbine shaft: the optical axis of turbine shaft is passed through to the through-hole of axle sleeve,
According to Screw assembly torque determined by step b, revolved by the threaded hole of axle sleeve with the screw thread between the external screw thread of turbine shaft
Assembly between the inner cylinder face of tight and motor shaft short sleeve external cylindrical surface coaxial sleeve, axle sleeve, motor shaft and turbine are turned
Axis is assembled together, and guarantees that counterface is adjacent to；
G, retaining ring the assembly between compressor impeller, axle sleeve, turbine shaft and retaining ring: is placed in the lock of turbine shaft
In tight annular groove, then the external cylindrical surface of compressor impeller is aligned and is assembled with the inner cylinder face of axle sleeve, then according to step b institute
Determining Screw assembly torque screws assembly by screw thread, and the assembly of compressor impeller, axle sleeve, turbine shaft and retaining ring is existed
Together, it is placed in retaining ring in the locking annular groove of compressor impeller, guarantees that counterface is mutually adjacent to.
The beneficial effects of the present invention are:
A kind of turbine thermoelectric conversion system threaded connection rotor structure proposed by the present invention and its manufacturing method, the zero of rotor
Screw assembly structure is used between component, be can effectively improve the bonding strength of rotor, is prevented turbine thermoelectric conversion system rotor
Components are got loose during the work time, improve the structural reliability of system；Using the same motor of the shaft of turbine and compressor
The coaxial configuration of axis designs, and avoids the overall stiffness that rotor can be improved using shaft coupling, while reducing the space ruler of rotor
It is very little；Turbine shaft is equipped with loss of weight cavity, can reduce the quality and rotary inertia of rotor, and the operating for improving rotor and bearing is stablized
Property and functional reliability；Screw connection structure is locked using retaining ring, it is possible to prevente effectively from rotor loosens, into one
Step improves the structural reliability of rotor and turbine thermoelectric conversion system.
Detailed description of the invention
Fig. 1 is a kind of turbine thermoelectric conversion system threaded connection rotor structure schematic diagram described in the embodiment of the present invention.
Fig. 2 is retaining ring described in the embodiment of the present invention and its installation position structural schematic diagram.
Fig. 3 is compressor impeller structural schematic diagram described in the embodiment of the present invention.
Fig. 4 is axle sleeve structure schematic diagram described in the embodiment of the present invention.
Fig. 5 is motor shaft structure schematic diagram described in the embodiment of the present invention.
Fig. 6 is turbine shaft structural schematic diagram described in the embodiment of the present invention.
1 compressor impeller, 2 retaining ring, 3 axle sleeve, 4 motor shaft, 5 turbine shaft
6 compressor impeller clamping nut, 7 compressor impeller threaded hole, 8 compressor impeller external cylindrical surface
The inner cylinder face of locking 10 axle sleeve of annular groove and the compressor impeller assembly of 9 compressor impellers
12 axle sleeve through-hole of annular Thrust Faces, 13 axle sleeve and transverse bearing of 11 axle sleeves assemble external cylindrical surface
The inner cylinder face of 15 axle sleeve of threaded hole and the assembly of motor shaft short sleeve of 14 axle sleeves and motor shaft assembly
Long 17 motor shaft short sleeve of axle sleeve, the 18 motor shaft magnetic core of 16 motor shafts
The threaded hole that 19 motor shafts are matched with 20 motor shaft of external cylindrical surface that axle sleeve mutually assembles with turbine shaft
The threaded hole that 21 motor shafts are matched with turbine shaft
The locking annular groove of 22 turbine shafts and 23 turbine shaft of external screw thread of compressor impeller assembly
The external screw thread of the 25 turbine shaft coaxial sleeve of optical axis and motor shaft assembly of 24 turbine shafts and axle sleeve assembly
The external screw thread that 26 turbine shafts are assembled with motor shaft
The loss of weight cavity of 27 turbine shafts and 28 turbine shaft of external cylindrical surface of transverse bearing assembly
The clamping nut of 29 turbine shafts
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of turbine thermoelectric conversion system threaded connection rotor structure, including compressor impeller 1, retaining ring 2, axle sleeve 3, electricity
Arbor 4 and turbine shaft 5.There is the threaded hole 7 of same turbine shaft assembly on the compressor impeller 1, the compressor impeller 1
The internal screw thread rotation direction of threaded hole 7 is identical as rotation direction when turbine electricity generation system working rotor, has on the compressor impeller 1
The external cylindrical surface 8 that coaxial package is matched has the locking annular groove 9 with retaining ring assembly, the gas compressor blade on the compressor impeller 1
The inlet end of wheel 1 is equipped with clamping nut 6；The retaining ring 2 be elastic opening ring, the retaining ring 2 be assemblied in turbine shaft and
In the locking annular groove of compressor impeller；There are the annular Thrust Faces 11 of coaxial bearing fit, the axle sleeve 3 on the axle sleeve 3
On have the external cylindrical surface 13 of same transverse bearing cooperation, one end of the axle sleeve 3 has to be filled with compressor impeller and turbine shaft respectively
The inner cylinder face 10 and through-hole 12 matched, the other end of the axle sleeve 3, which has, respectively to be assembled with motor shaft short sleeve and turbine shaft
Inner cylinder face 15 and threaded hole 14；The motor shaft 4 is made of magnetic core 18, long axle sleeve 16 and short sleeve 17, the motor shaft 4
Magnetic core 18 is located at the inside of long axle sleeve 16 and short sleeve 17, and the long axle sleeve 16 and short sleeve 17 of the motor shaft 4 are connected by interference
It connects and is assembled together, there are the threaded hole 21 mutually assembled with turbine shaft, the motor in one end of the long axle sleeve 16 of the motor shaft 4
There are the external cylindrical surface 19 and threaded hole 20 that coaxial sleeve is mutually assembled with turbine shaft respectively in one end of the short sleeve 17 of axis 4；The whirlpool
Wheel shaft 5 is welded together by turbine wheel and shaft, there is the external screw thread of same compressor impeller assembly in the turbine shaft 5
22, there is the locking annular groove 23 of same retaining ring assembly in the turbine shaft 5, has the light that coaxial package is matched in the turbine shaft 5
Axis 24 has the external screw thread 25 of coaxial sleeve and the assembly of motor shaft short sleeve in the turbine shaft 5, has in the turbine shaft 5 same
Motor shaft long axis covers the external screw thread 26 of assembly, there is the external cylindrical surface 27 of same transverse bearing assembly, the whirlpool in the turbine shaft 5
It takes turns shaft and is equipped with loss of weight cavity 28, the turbine shaft is equipped with clamping nut 29.
A kind of turbine thermoelectric conversion system threaded connection method for manufacturing rotor, comprising the following steps:
A, the parameters of structural dimension of turbine thermoelectric conversion system rotor is determined: according to closed cycle turbine thermoelectric conversion system
Turbine, compressor and motor dimensional parameters, determine rotor form components i.e. compressor impeller, retaining ring, axle sleeve, motor
The parameters of structural dimension of axis and turbine shaft；
The turbine wheel diameter of the present embodiment type closed cycle turbine thermoelectric conversion system is Ф 90mm, compressor impeller
Diameter is Ф 96mm, motor shaft diameter is Ф 38mm, according to the turbine wheel of closed cycle turbine thermoelectric conversion system, compressor
The threaded hole of the dimensional parameters of impeller and motor, determining compressor impeller 1 is having a size of the size of M12 × 1, external cylindrical surface 8
Ф 20mm, the size of the inner cylinder face 10 of determining axle sleeve 3 is Ф 20mm, the size of external cylindrical surface 13 is Ф 38mm, interior cylinder
The size in face 15 is Ф 28mm, the diameter of through-hole 12 is Ф 12mm, the size of threaded hole 14 is M14 × 1, determining motor shaft 4
Threaded hole 20 size be M14 × 1, threaded hole 21 size be M20 × 1, the ruler of the external screw thread 22 of determining turbine shaft 5
It is very little be M12 × 1, optical axis 24 size be Ф 12mm, the size of external screw thread 25 be M14 × 1, external screw thread 26 size be M20 ×
1。
B, the Screw assembly torque between rotor composition components is determined: according to closed cycle turbine thermoelectric conversion system
Rotor structure size, kinetic characteristics and running parameter determine turbine thermoelectric conversion system rotor set at the spiral shell between components
Line assembles torque；
C, turbine thermoelectric conversion system rotor set is carried out into the manufacture of components: being turned according to the turbine thermoelectricity that step a is determined
The parameters of structural dimension of system rotor composition components is changed, processing compressor impeller, retaining ring, axle sleeve, motor shaft and turbine turn
Axis；
D, it carries out the assembly of motor shaft: taking elastic conjunction mode first, it, will be electric by heating the long axle sleeve 16 of motor shaft
The magnetic core 18 of machine is assembled together with long axle sleeve 16, then takes elastic conjunction mode, by heating the short sleeve 17 of motor shaft,
Short sleeve 17 and magnetic core 18, long axle sleeve 16 are assembled together, complete motor shaft 4 is formed；
E, it carries out the assembly between motor shaft and turbine shaft: turbine shaft 5 is passed through to the centre bore of motor shaft 4, according to
The Screw assembly torque that step b is determined, is screwed by screw thread, motor shaft 4 and turbine shaft 5 is assembled together, and guarantees cooperation
End face is mutually adjacent to；
F, it carries out the assembly between axle sleeve, motor shaft and turbine shaft: the optical axis 24 of turbine shaft is passed through into the logical of axle sleeve
Hole 12, according to Screw assembly torque determined by step b, by the threaded hole 14 of axle sleeve between the external screw thread 25 of turbine shaft
Screw thread screw and the inner cylinder face 15 of 19 coaxial sleeve of external cylindrical surface of motor shaft short sleeve between assembly, by axle sleeve 3, electricity
Arbor 4 and turbine shaft 5 are assembled together, and guarantee that counterface is adjacent to；
G, retaining ring 2 assembly between compressor impeller, axle sleeve, turbine shaft and retaining ring: is placed in turbine shaft
Lock annular groove 23 in, then the external cylindrical surface of compressor impeller 8 is aligned and is assembled with the inner cylinder face 10 of axle sleeve, then according to
Screw assembly torque determined by step b screws assembly by screw thread, by compressor impeller 1, axle sleeve 3, turbine shaft 5 and lock
Tight ring 2 is assembled together, and is placed in retaining ring 2 in the locking annular groove 9 of compressor impeller, guarantees that counterface is mutually adjacent to.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of turbine thermoelectric conversion system is threadedly coupled rotor structure, it is characterised in that: including compressor impeller (1), locking
Ring (2), axle sleeve (3), motor shaft (4) and turbine shaft (5).There is the spiral shell of same turbine shaft assembly on the compressor impeller (1)
Pit (7), the internal screw thread rotation direction of the threaded hole (7) of the compressor impeller (1) turn with when turbine electricity generation system working rotor
Dynamic direction is identical, the external cylindrical surface (8) for having coaxial package to match on the compressor impeller (1), has on the compressor impeller (1)
Clamping nut (6) are equipped with the inlet end of the locking annular groove (9) of retaining ring assembly, the compressor impeller (1)；The retaining ring
It (2) is elastic opening ring, the retaining ring (2) is assemblied in the locking annular groove of turbine shaft and compressor impeller.
2. a kind of turbine thermoelectric conversion system according to claim 1 is threadedly coupled rotor structure, it is characterised in that: described
There are the annular Thrust Faces (11) of coaxial bearing fit on axle sleeve (3), there is the outer of same transverse bearing cooperation on the axle sleeve (3)
Cylindrical surface (13), one end of the axle sleeve (3) have the inner cylinder face (10) assembled respectively with compressor impeller and turbine shaft and
Through-hole (12), the other end of the axle sleeve (3) have the inner cylinder face (15) assembled respectively with motor shaft short sleeve and turbine shaft
With threaded hole (14).
3. a kind of turbine thermoelectric conversion system according to claim 1 is threadedly coupled rotor structure, it is characterised in that: described
Motor shaft (4) is made of magnetic core (18), long axle sleeve (16) and short sleeve (17), and the magnetic core (18) of the motor shaft (4) is located at length
The long axle sleeve (16) of the inside of axle sleeve (16) and short sleeve (17), the motor shaft (4) is connect with short sleeve (17) by interference
It is assembled together, there is the threaded hole (21) mutually assembled with turbine shaft in one end of the long axle sleeve (16) of the motor shaft (4), described
There are the external cylindrical surface (19) and threaded hole that coaxial sleeve is mutually assembled with turbine shaft respectively in one end of the short sleeve (17) of motor shaft (4)
(20)。
4. a kind of turbine thermoelectric conversion system according to claim 1 is threadedly coupled rotor structure, it is characterised in that: described
Turbine shaft (5) is welded together by turbine wheel and shaft, there is the outer of same compressor impeller assembly on the turbine shaft (5)
Screw thread (22) has the locking annular groove (23) of same retaining ring assembly on the turbine shaft (5), has on the turbine shaft (5) same
The optical axis (24) of axle sleeve assembly has the external screw thread (25) of coaxial sleeve and the assembly of motor shaft short sleeve, institute on the turbine shaft (5)
The external screw thread (26) for having same motor shaft long axis set assembly on turbine shaft (5) is stated, has same transverse bearing on the turbine shaft (5)
The external cylindrical surface (27) of assembly, the turbine shaft are equipped with loss of weight cavity (28), and the turbine shaft is equipped with clamping nut
(29)。
5. a kind of turbine thermoelectric conversion system according to claim 1 is threadedly coupled rotor structure, a kind of turbine thermoelectricity turn
Change the manufacturing method that system is threadedly coupled rotor, it is characterised in that: the following steps are included:
A, the parameters of structural dimension of turbine thermoelectric conversion system rotor is determined；
B, the Screw assembly torque between rotor composition components is determined；
C, turbine thermoelectric conversion system rotor set is carried out into the manufacture of components；
D, it carries out the assembly of motor shaft: taking elastic conjunction mode first, by heating the long axle sleeve (16) of motor shaft, by motor
Magnetic core (18) be assembled together with long axle sleeve (16), then take elastic conjunction mode, pass through heating motor shaft short sleeve
(17), short sleeve (17) and magnetic core (18), long axle sleeve (16) are assembled together, form complete motor shaft (4)；
E, it carries out the assembly between motor shaft and turbine shaft: turbine shaft (5) is passed through to the centre bore of motor shaft (4), according to
The Screw assembly torque that step b is determined, is screwed by screw thread, motor shaft (4) and turbine shaft (5) is assembled together, and is guaranteed
Counterface is mutually adjacent to；
F, the assembly between axle sleeve, motor shaft and turbine shaft is carried out；
G, the assembly between compressor impeller, axle sleeve, turbine shaft and retaining ring.
6. a kind of turbine thermoelectric conversion system according to claim 5 is threadedly coupled the manufacturing method of rotor, feature exists
In: in step f, the optical axis (24) of turbine shaft is passed through to the through-hole (12) of axle sleeve, according to Screw assembly determined by step b
Torque, is screwed by the threaded hole (14) of axle sleeve with the screw thread between the external screw thread (25) of turbine shaft and motor shaft short sleeve
External cylindrical surface (19) coaxial sleeve inner cylinder face (15) between assembly, by axle sleeve (3), motor shaft (4) and turbine shaft (5)
It is assembled together, guarantees that counterface is adjacent to.
7. a kind of turbine thermoelectric conversion system according to claim 5 is threadedly coupled the manufacturing method of rotor, feature exists
In: in step g, retaining ring (2) is placed in the locking annular groove (23) of turbine shaft, then by the outside cylinder of compressor impeller
Face (8) is aligned and assembles with the inner cylinder face (10) of axle sleeve, then according to Screw assembly torque determined by step b, passes through spiral shell
Line screws assembly, and compressor impeller (1), axle sleeve (3), turbine shaft (5) and retaining ring (2) are assembled together, retaining ring is made
(2) it is placed in the locking annular groove (9) of compressor impeller, guarantees that counterface is mutually adjacent to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647940.2A CN110360148B (en) | 2019-07-18 | 2019-07-18 | Threaded connection rotor structure of turbine thermoelectric conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647940.2A CN110360148B (en) | 2019-07-18 | 2019-07-18 | Threaded connection rotor structure of turbine thermoelectric conversion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110360148A true CN110360148A (en) | 2019-10-22 |
| CN110360148B CN110360148B (en) | 2020-12-15 |
Family
ID=68220208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910647940.2A Active CN110360148B (en) | 2019-07-18 | 2019-07-18 | Threaded connection rotor structure of turbine thermoelectric conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360148B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360570A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Runoff impeller side-mounted high-speed thermoelectric conversion system rotating shaft and process thereof |
| CN112360577A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Rotor structure and process of combined impeller power generation system |
| CN112360576A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Integrated impeller side-mounted thermoelectric conversion system rotating shaft structure |
| CN114776386A (en) * | 2022-04-29 | 2022-07-22 | 中国北方发动机研究所(天津) | Cone connecting structure of titanium-aluminum turbine and rotating shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256938B2 (en) * | 1984-02-01 | 1987-11-27 | Ishikawajima Harima Heavy Ind | |
| CN103321685A (en) * | 2013-07-12 | 2013-09-25 | 中国北方发动机研究所(天津) | Through-hole connection method and connection structure of titanium aluminum turbine impeller and rotating shaft |
| CN105637196A (en) * | 2013-10-25 | 2016-06-01 | 艾克莫特公司 | Retention of a rotor of an electronically-controlled turbomachine |
| CN106988784A (en) * | 2017-03-24 | 2017-07-28 | 中国北方发动机研究所(天津) | A kind of radial-flow type rotating shaft of supercharger turbine structure and its moulding process |
| CN109630211A (en) * | 2018-11-30 | 2019-04-16 | 北京精密机电控制设备研究所 | A kind of highway turbine power generation pressurization all-in-one machine |
-
2019
- 2019-07-18 CN CN201910647940.2A patent/CN110360148B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256938B2 (en) * | 1984-02-01 | 1987-11-27 | Ishikawajima Harima Heavy Ind | |
| CN103321685A (en) * | 2013-07-12 | 2013-09-25 | 中国北方发动机研究所(天津) | Through-hole connection method and connection structure of titanium aluminum turbine impeller and rotating shaft |
| CN105637196A (en) * | 2013-10-25 | 2016-06-01 | 艾克莫特公司 | Retention of a rotor of an electronically-controlled turbomachine |
| CN106988784A (en) * | 2017-03-24 | 2017-07-28 | 中国北方发动机研究所(天津) | A kind of radial-flow type rotating shaft of supercharger turbine structure and its moulding process |
| CN109630211A (en) * | 2018-11-30 | 2019-04-16 | 北京精密机电控制设备研究所 | A kind of highway turbine power generation pressurization all-in-one machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360570A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Runoff impeller side-mounted high-speed thermoelectric conversion system rotating shaft and process thereof |
| CN112360577A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Rotor structure and process of combined impeller power generation system |
| CN112360576A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Integrated impeller side-mounted thermoelectric conversion system rotating shaft structure |
| CN112360576B (en) * | 2020-10-26 | 2022-08-09 | 北京动力机械研究所 | Integrated impeller side-mounted thermoelectric conversion system rotating shaft structure |
| CN112360577B (en) * | 2020-10-26 | 2023-05-12 | 北京动力机械研究所 | Rotor structure and process of combined impeller power generation system |
| CN114776386A (en) * | 2022-04-29 | 2022-07-22 | 中国北方发动机研究所(天津) | Cone connecting structure of titanium-aluminum turbine and rotating shaft |
| CN114776386B (en) * | 2022-04-29 | 2023-05-19 | 中国北方发动机研究所(天津) | Cone connection structure of titanium aluminum turbine and rotating shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110360148B (en) | 2020-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110360148A (en) | A kind of turbine thermoelectric conversion system threaded connection rotor structure | |
| CN110332018A (en) | A kind of high compact closed cycle radial-flow turbine electricity generation system rotor | |
| CN110344890B (en) | High-reliability turbine power generation system rotor structure and manufacturing process | |
| CN110318815B (en) | Ceramic rotor of closed-cycle turbine power generation system | |
| CN106195136A (en) | A kind of gear-driven fan (GTF) motor gear transmission device | |
| CN110344892A (en) | A kind of radial-flow turbine electricity generation system rotor integrated and its manufacturing process | |
| CN110332019B (en) | Built-in locking gas floating rotor of closed circulation turbine power generation system | |
| CN110318812A (en) | A kind of radial turbine electricity generation system gas lubrication ceramic rotor and its manufacturing method | |
| CN112360574B (en) | Rotating assembly structure of high-speed low-stress turbine power generation system | |
| CN110374691B (en) | Radial flow turbine power generation system gas lubrication rotor structure | |
| CN110332020A (en) | A kind of closed cycle turbine electricity generation system rotor structure based on air-bearing | |
| CN110344891B (en) | Rotor structure and process of long-life closed circulation turbine power generation system | |
| CN110374693A (en) | A kind of detachable radial-flow turbine electricity generation system rotor structure and technique | |
| CN112360577B (en) | Rotor structure and process of combined impeller power generation system | |
| CN110374692B (en) | Integrated rotor structure of radial turbine power generation system | |
| CN110318814A (en) | A kind of closed cycle turbine electricity generation system component test rotor and its manufacturing method | |
| CN110318813B (en) | Magnetic suspension rotor structure of closed circulation radial flow turbine power generation system | |
| CN110374684B (en) | Closed circulation turbine power generation system rotor based on electromagnetic bearing | |
| CN112350507B (en) | High-power-density closed-cycle thermoelectric conversion system rotor | |
| CN112350505A (en) | Rotating shaft structure of high-speed permanent magnet starter generator of closed thermoelectric conversion system | |
| CN217735581U (en) | Multistage impeller rotor structure and generating set | |
| CN112350506B (en) | High-speed large-torque motor rotor structure and process of thermoelectric conversion system | |
| CN112360576B (en) | Integrated impeller side-mounted thermoelectric conversion system rotating shaft structure | |
| CN112360570B (en) | Runoff impeller side-mounted high-speed thermoelectric conversion system rotating shaft and process thereof | |
| CN117967709A (en) | Rotor connects major axis self-interacting connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |