CN204591773U - Rotor of nuclear main pump parts and end-tooth linkage structure thereof - Google Patents
Rotor of nuclear main pump parts and end-tooth linkage structure thereof Download PDFInfo
- Publication number
- CN204591773U CN204591773U CN201520066869.6U CN201520066869U CN204591773U CN 204591773 U CN204591773 U CN 204591773U CN 201520066869 U CN201520066869 U CN 201520066869U CN 204591773 U CN204591773 U CN 204591773U
- Authority
- CN
- China
- Prior art keywords
- tooth
- linkage structure
- rotor
- junction surface
- parts
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of end-tooth linkage structure, junction surface place between two links that this end-tooth linkage structure is arranged at, this end-tooth linkage structure comprises: be arranged at the first linkage structure on the junction surface of two links that need connect and the second linkage structure respectively; First linkage structure and the second linkage structure are provided with the end-tooth of coupling mutually; The arrangement in angle each other of end-tooth in first linkage structure or the second linkage structure.The utility model is engaged each other by the end-tooth linkage structure be arranged on junction surface, carries out centering to link, realizes transmitting large torque and rotor part is precisely centering the heart, even if also can ensure the concentricity of all parts when parts radial expansion volume is different; If the pretightening force of axial restraint bolt there occurs change due to temperature, the axial symmetry of rotor is unaffected; Rotor scene can dismounting, and does not need to do dynamic balancing again; End face tooth structure is lightweight, and thermal inertia is good, allows to start fast.
Description
Technical field
The utility model relates to the interconnection technique that rotor of nuclear main pump component axial connects, and is specifically related to a kind of rotor of nuclear main pump parts and end-tooth linkage structure thereof.
Background technique
At present, pump, compressor, aeroengine, light turbine rotor part each part between connection usually adopt that key connects, hot jacket connects, the form of Flange joint.
Nuclear Power Station 1 order reaction reactor coolant pump (abbreviation main pump), between each part of main pump rotor part, as between impeller and pump shaft, between pump shaft and flywheel, between pump shaft and coupling, between coupling and motor shaft, prior art mostly adopts key connection, hot jacket connects, the form of Flange joint.
Key linkage structure is specially: two parts are Spielpassung, Connecting format is non-rigid connection, need to offer keyway on the part of axle class and cooperation thereof, on part keyway area also exist cannot eliminate stress concentrated, when under transmitting large torque and the effect in alternate load, the lengthening along with working time easily causes the generation of axial workpiece crackle until fracture failure; In addition two parts of Spielpassung easily cause abrasion even to kill, and reassemble the poor repeatability of dynamically balanced poor repeatability, centering after disintegration.Advantage is the transmission that can ensure moment of torsion under transient state.
Hot jacket connects and is specially: two parts are interference fit, and Connecting format belongs to and is rigidly connected, and assembly technology is complicated, need refrigeration and/or heating could assembles, assembled in situ with dismantle extremely inconvenient.Reassemble the poor repeatability of dynamically balanced poor repeatability, centering after disintegration, the transmission of moment of torsion under transient state cannot be ensured.Advantage is the risk that two parts coordinated do not have crackle and abrasion.
Flange joint is specially: two part Connecting format of cooperation are for being rigidly connected, and advantage to ensure the transmission of moment of torsion under transient state, reproducible (but at every turn need change connecting bolt) of centering.Its shortcoming is, flange cooperation place shaft size is comparatively large, and two mating parts need overallly hole and finish reams hole, heavy parts processing difficulties, and connection need use special bolt, bolt transmitting torque with bear shearing force, moment of flexure, very easily lost efficacy.
Model utility content
The utility model provides a kind of rotor of nuclear main pump parts and end-tooth linkage structure thereof, optimize the axial Connecting format of two mating parts on rotor of nuclear main pump, solve rotor part and reassemble dynamically balanced poor repeatability, the poor repeatability of centering and the risk of elimination crackle and abrasion after disintegrating, and use the situation of on-the-spot dismounting difficulty.
For achieving the above object, the utility model provides a kind of end-tooth linkage structure, be characterized in, junction surface place between two links that this end-tooth linkage structure is arranged at, this end-tooth linkage structure comprises: be arranged at the first linkage structure on the junction surface of two links that need connect and the second linkage structure respectively;
Above-mentioned first linkage structure and the second linkage structure are provided with the end-tooth of coupling mutually;
The arrangement in angle each other of end-tooth in above-mentioned first linkage structure or the second linkage structure.
End-tooth in above-mentioned first linkage structure or the second linkage structure is arranged ringwise.
The mutual close-packed arrays of above-mentioned end-tooth or interval are arranged.
The flank of tooth of above-mentioned end-tooth is set to wedge-shaped structure.
The tooth-shape angle of above-mentioned end-tooth is set to 60 degree or 90 degree or 120 degree.
The flank of tooth of upper described end-tooth is without the wear-resisting and hardening coat of coating.
Above-mentioned end-tooth linkage structure is arranged in rotor of nuclear main pump parts the junction surface place between the parts needing connection.
After the end-tooth of above-mentioned first linkage structure and the second linkage structure engages each other, between the bottom of the groove that the tooth top of each end-tooth is corresponding with this tooth top, leave gap.
A kind of rotor of nuclear main pump parts, above-mentioned rotor of nuclear main pump parts comprise the impeller, pump shaft, pump side coupling, middle shaft coupling, the motor side coupling that axially connect successively; Be characterized in, impeller, pump shaft, pump side coupling, middle shaft coupling, motor side coupling joint are between any two provided with above-mentioned end-tooth linkage structure.
First linkage structure and second linkage structure of each above-mentioned end-tooth linkage structure are provided with corresponding screw, are provided with turnbuckle in screw.
Rotor of nuclear main pump parts and the interconnection technique thereof of the utility model rotor of nuclear main pump parts and end-tooth linkage structure thereof and prior art are compared, its advantage is, the utility model adopts a kind of end-tooth linkage structure, engaged each other by the end-tooth be arranged on junction surface, position between link, this end-tooth linkage structure can be used for the connection location in rotor of nuclear main pump parts between link; There is reliable transmitting large torque-self-locking feature; Adopt end-tooth centering, all rotor parts are precisely centering the heart, even if also can ensure the concentricity of all parts when these parts radial expansion volumes are different; If the pretightening force of axial restraint bolt there occurs change due to temperature, the axial symmetry of rotor is unaffected; Rotor scene can dismounting, and does not need to do dynamic balancing again; End face tooth structure is lightweight, and thermal inertia is good, allows to start fast; Rotor part rigidity is large, and critical speed of rotation is high.
Accompanying drawing explanation
Fig. 1 is the sectional view of rotor of nuclear main pump parts;
Fig. 2 be rotor of nuclear main pump component upper ends face of the present invention tooth linkage structure schematic diagram is set;
Fig. 3 is the schematic diagram of end-tooth linkage structure of the present invention;
Fig. 4 is the schematic diagram of the end-tooth of end-tooth linkage structure of the present invention;
Fig. 5 is end-tooth linkage structure of the present invention engagement trailing flank unfolded drawing;
Fig. 6 is the connection diagram of the middle impeller turnbuckle of rotor of nuclear main pump parts;
Fig. 7 is the connection diagram of the middle coupling turnbuckle of rotor of nuclear main pump parts.
Embodiment
Below in conjunction with accompanying drawing, further illustrate specific embodiments of the invention.
As shown in Figure 1, the rotor part of Nuclear Power Station 1 order reaction reactor coolant pump includes the impeller 101, pump shaft 103, pump side coupling 105, middle shaft coupling 106 and the motor side coupling 107 that axially connect.Be fixedly connected with by impeller turnbuckle 102 between impeller 101 with pump shaft 103, be fixedly connected with by coupling turnbuckle 104 between pump shaft 103 with pump side coupling 105.
As Fig. 2 and shown in composition graphs 1, the first junction surface 201 between impeller 101 and pump shaft 103, the second junction surface 202 between pump shaft 103 and pump side coupling 105, the 3rd junction surface 203 between pump side coupling 105 and middle shaft coupling 106, the 4th junction surface 204 between middle shaft coupling 106 and motor side coupling 107, fit tightly mutually.
Feature of the present utility model is, first junction surface 201, second junction surface 202, the 3rd junction surface 203 and the 4th junction surface 204 place are respectively equipped with end-tooth linkage structure, and realize self-locking, accurately calibration, high repeatability and automatic centering by this end-tooth linkage structure.
As Fig. 3 and shown in composition graphs 4, be a kind of embodiment of end-tooth linkage structure, end-tooth linkage structure comprises: be arranged at the first linkage structure 301 and the second linkage structure 302 on the junction surface of two links that need connect respectively.First linkage structure 301 and the second linkage structure 302 are provided with the end-tooth 303 of coupling mutually; The arrangement in angle each other of end-tooth 303 in this first linkage structure 301 or the second linkage structure 302.
In the present embodiment, the end-tooth 303 in the first linkage structure 301 of end-tooth linkage structure or the second linkage structure 302 is arranged ringwise.
Further, end-tooth 303 each other can close-packed arrays or interval setting.In the present embodiment, end-tooth 303 adopts close-packed arrays and forms loop configuration, to coordinate the round structure in the rotor part cross section of Nuclear Power Station 1 order reaction reactor coolant pump.
As Fig. 3 and shown in composition graphs 6 and Fig. 7, in the present embodiment, first linkage structure 301 of each end-tooth linkage structure and the second linkage structure 302 are provided with corresponding screw, for arranging turnbuckle in screw, and such as impeller turnbuckle 102 or coupling turnbuckle 104.In practical application, the axial Connecting format between the link of two need connections in rotor of nuclear main pump parts can adopt two kinds usually: one is distribution tools for bolts ' pretension setting type; Another kind is single centre bolt pretension setting type.
As shown in Figure 5, the flank of tooth of end-tooth is wedge shape or cone structure, and tooth-shape angle γ can adopt arbitrarily angled, optional 60 ° or 90 ° or 120 ° usually.The surface of wedge shape or taper contributes to the pressure transmission realizing peripheral force, and energy transmitting large torque, make axial connecting bolt, such as impeller turnbuckle 102 and coupling turnbuckle 104, need only bear very little axial pre tightening force.
The flank of tooth has higher carrying percentage, and two parts after connection are without relative movement, and namely without spot corrosion, abrasion resistance is high.The end-tooth geometrical shape optimized, energy self-alignment, can reach lower axis and circular runout.
In addition, after the end-tooth of the first linkage structure and the second linkage structure engages each other, between the bottom of the groove that the tooth top of each end-tooth is corresponding with this tooth top, leave gap.
In the present embodiment, end-tooth can be formed on the end face of each part of rotor part of Nuclear Power Station 1 order reaction reactor coolant pump by milling and grinding.The flank of tooth is without the need to special wear-resisting and hardening coat, transmitting torque is carried out by the engagement system of two tooth pairs, the wedge shape of the rear two part junction surface upper-end surface teeth of engagement or conical surface overlap and do not have relative movement, flank of tooth inclination angle forms axial force, when meshing together, load enough bolt pretightenings, end-tooth can support mutually, this means that end-tooth can not bend.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (10)
1. an end-tooth linkage structure, it is characterized in that, junction surface place between two links that this end-tooth linkage structure is arranged at, this end-tooth linkage structure comprises: be arranged at the first linkage structure (301) on the junction surface of two links that need connect and the second linkage structure (302) respectively;
Described first linkage structure (301) and the second linkage structure (302) are provided with the end-tooth (303) of coupling mutually;
The arrangement in angle each other of end-tooth (303) in described first linkage structure (301) or the second linkage structure (302).
2. end-tooth linkage structure as claimed in claim 1, is characterized in that, the end-tooth (303) in described first linkage structure (301) or the second linkage structure (302) is arranged ringwise.
3. end-tooth linkage structure as claimed in claim 2, is characterized in that, described end-tooth (303) each other close-packed arrays or interval is arranged.
4. end-tooth linkage structure as claimed in claim 1 or 2, it is characterized in that, the flank of tooth of described end-tooth (303) is set to wedge-shaped structure.
5. end-tooth linkage structure as claimed in claim 1 or 2, it is characterized in that, the tooth-shape angle of described end-tooth (303) is set to 60 degree or 90 degree or 120 degree.
6. end-tooth linkage structure as claimed in claim 1 or 2, is characterized in that, the flank of tooth of described end-tooth (303) is without the wear-resisting and hardening coat of coating.
7. end-tooth linkage structure as claimed in claim 1 or 2, is characterized in that, described end-tooth linkage structure is arranged in rotor of nuclear main pump parts the junction surface place between the parts needing connection.
8. end-tooth linkage structure as claimed in claim 1 or 2, it is characterized in that, after the end-tooth (303) of described first linkage structure (301) and the second linkage structure (302) engages each other, between the bottom of the groove that the tooth top of each end-tooth (303) is corresponding with this tooth top, leave gap.
9. rotor of nuclear main pump parts, described rotor of nuclear main pump parts comprise the impeller (101), pump shaft (103), pump side coupling (105), middle shaft coupling (106), the motor side coupling (107) that axially connect successively; It is characterized in that, described impeller (101), pump shaft (103), pump side coupling (105), middle shaft coupling (106), motor side coupling (107) joint are between any two provided with as the end-tooth linkage structure in claim 1 to 8 as described in any one claim.
10. rotor of nuclear main pump parts as claimed in claim 9, it is characterized in that, the first linkage structure (301) and second linkage structure (302) of each described end-tooth linkage structure are provided with corresponding screw, are provided with turnbuckle in screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066869.6U CN204591773U (en) | 2015-01-30 | 2015-01-30 | Rotor of nuclear main pump parts and end-tooth linkage structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066869.6U CN204591773U (en) | 2015-01-30 | 2015-01-30 | Rotor of nuclear main pump parts and end-tooth linkage structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591773U true CN204591773U (en) | 2015-08-26 |
Family
ID=53927932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520066869.6U Active CN204591773U (en) | 2015-01-30 | 2015-01-30 | Rotor of nuclear main pump parts and end-tooth linkage structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122076A (en) * | 2016-08-24 | 2016-11-16 | 上海电气凯士比核电泵阀有限公司 | A kind of special balls roof construction end face tooth type flexible coupling |
| CN110192037A (en) * | 2016-11-28 | 2019-08-30 | 哈里伯顿能源服务公司 | Torque transmission system for centrifugal pump |
-
2015
- 2015-01-30 CN CN201520066869.6U patent/CN204591773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122076A (en) * | 2016-08-24 | 2016-11-16 | 上海电气凯士比核电泵阀有限公司 | A kind of special balls roof construction end face tooth type flexible coupling |
| CN110192037A (en) * | 2016-11-28 | 2019-08-30 | 哈里伯顿能源服务公司 | Torque transmission system for centrifugal pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0906518B1 (en) | Power transmission coupling | |
| CN101297126B (en) | Prestressed shaft and hub connection having a perfect cone shape | |
| US10598016B2 (en) | Combination of two interconnected shafts for high-speed rotors | |
| CA2904709A1 (en) | Planet-carrier for an epicyclic gearing and epicyclic gearing provided with such a planet-carrier | |
| US8465373B2 (en) | Face coupling | |
| CA2812972A1 (en) | Tapered collet connection of rotor components | |
| CN109753756A (en) | A kind of check method of bipyramid expansion coupling sleeve design size | |
| CN204591773U (en) | Rotor of nuclear main pump parts and end-tooth linkage structure thereof | |
| US20130266421A1 (en) | Tie shaft arrangement for turbomachine | |
| CN106122076B (en) | A kind of special roof structure end face tooth type flexible coupling | |
| CN101835684A (en) | Polygon rotor attachment device | |
| EP2479377A2 (en) | Steam turbine rotor with mechanically coupled high and low temperature sections using different materials | |
| EP3513086B1 (en) | Coupling assembly and wind turbine comprising such assembly | |
| CN209959668U (en) | Bolt for connecting gas compressor rotor and turbine shaft of gas turbine | |
| US9309917B2 (en) | Bimetallic shaft for gearbox systems to limit wear and corrosion | |
| CN203257909U (en) | Power transmission system and wind turbine | |
| EP1273815A2 (en) | Coupling arrangement | |
| CN103775520A (en) | Shaft coupling mechanism and universal coupler thereof | |
| US20170037908A1 (en) | Coupling device for connecting a clutch to a turbine train | |
| RU2491450C1 (en) | Joint between compressor rotors and gas turbine engine turbine | |
| CN202073941U (en) | Expansion coupling sleeve | |
| CN113623131A (en) | Wind generating set | |
| CN210218236U (en) | High-speed dynamic balance connection structure of centrifugal turbine compressor rotor of gear | |
| CN217735581U (en) | Multistage impeller rotor structure and generating set | |
| CN205956051U (en) | Special ball top structure terminal surface flute profile flexible coupling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |