CN106122076A - A kind of special balls roof construction end face tooth type flexible coupling - Google Patents
A kind of special balls roof construction end face tooth type flexible coupling Download PDFInfo
- Publication number
- CN106122076A CN106122076A CN201610716138.0A CN201610716138A CN106122076A CN 106122076 A CN106122076 A CN 106122076A CN 201610716138 A CN201610716138 A CN 201610716138A CN 106122076 A CN106122076 A CN 106122076A
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- China
- Prior art keywords
- coupler
- shaft coupling
- coupling
- roof construction
- thrust collar
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Links
- 230000008878 coupling Effects 0.000 title claims abstract description 75
- 238000010168 coupling process Methods 0.000 title claims abstract description 75
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of special balls roof construction end face tooth type flexible coupling, it comprises: pump shaft side half a coupler, its one end is connected with pump shaft；Detachable middle shaft coupling, its one end is connected with the other end of pump shaft side half shaft coupling；Motor side half a coupler, its one end is connected with the other end of detachable middle shaft coupling；Thrust collar, is arranged in the other end of detachable middle shaft coupling；Baffle plate, is arranged in one end of motor side half a coupler, and the spherical head of thrust collar withstands this baffle plate, is transferred to baffle plate by thrust collar is transferred to motor shaft again from by thrust and the pulling force of drive end；The other end of described detachable middle shaft coupling is a disc-shaped diaphragm structure, and this membrane configuration intermediate cross-section is minimum, centre incrementally increase to inner edge and cross section, outer rim direction.Its advantage is: when two rotating shafts exist angular deviation, radial displacement deviation; can be compensated by membrane configuration; meeting the rotor part by driving impeller side and motor side is non-statically determinate structure, can meet again simultaneously and rupture at smallest cross-sectional when special transient state such as impeller side card rotor operating mode occurs and protect unit safety.
Description
Technical field
The present invention relates to the shaft coupling technical field of conveying rotary motion, be specifically related to a kind of special balls roof construction end-tooth
Type flexible coupling.
Background technology
The type of attachment of the field of fluid machinery such as pump, compressor, blower fan, mechanical side rotor shaft and motor side rotor shaft
Generally use rigid flange dish shaft coupling to connect, flexible metal disk diaphragm coupling connects and flexible internal-external gear engagement shaft coupling
Device connects.
One, rigid flange shaft coupling: the type of attachment of two rotating shafts is for being rigidly connected, and during assembling, two rotating shafts need entirety to bore
Hole is also finish reamed in hole, heavy parts processing difficulties, and connection need to use special bolt, and bolt transmits moment of torsion and bears shearing force, bending moment,
Easily losing efficacy, and cannot compensate when two rotating shafts exist angular deviation, radial displacement deviation, assembly difficulty is big and bothers, and advantage is can
Transmitting large torque also can guarantee that the transmission of moment of torsion under transient state.
Two, flexible metal disk diaphragm coupling: the type of attachment of two rotating shafts is for flexibly connecting, and to there is angle inclined when two rotating shafts
Can be compensated by diaphragm when difference, radial displacement deviation, be generally used in small axle diameter, little moment of torsion occasion, shortcoming is to pass
Passing high pulling torque, metal dish and two rotating shafts use and bonded easily cause axial play.
Three, flexible internal-external gear engagement coupling: the type of attachment of two rotating shafts is for flexibly connecting, when two rotating shafts exist angle
Can be compensated by internal-external gear gap when deviation, radial displacement deviation, shortcoming is the rotor of requirement mechanical side and motor side
Parts are statically determinate structure, and i.e. every side at least uses 2 journal bearings to support rotor, needs special chamber to store oil lubrication
Meshed gears, structure is complicated, and assembly work is loaded down with trivial details, the longest.
It is therefore desirable to optimize pump side rotor shaft and motor side rotating shaft type of attachment, solve side rotor statically determinate structure
The connection of the rotor part of statically determinate structure non-with opposite side rotor and centering problem, can simplify again assembly work simultaneously, shortens dress
Between timing, attendant can be significantly reduced at particular job region such as nuclear power station and suffer the irradiated time.
Summary of the invention
It is an object of the invention to provide a kind of special balls roof construction end face tooth type flexible coupling, use semi-rigid knot
Structure, when two rotating shafts exist angular deviation, radial displacement deviation, is compensated by membrane configuration, meets mechanical side and motor
The rotor part of side is non-statically determinate structure, and unilateral one journal bearing of employing supports, and meanwhile, each part all uses the end of rigidity
Face toothing connects, can transmitting large torque, reassemble the reproducible of dynamically balanced reproducible, centering after disintegration.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of special balls roof construction end face tooth type flexible coupling, its one end connects pump shaft, and the other end connects motor shaft, its feature
It is that this special balls roof construction end face tooth type flexible coupling comprises:
Pump shaft side half a coupler, its one end is connected with pump shaft；
Detachable middle shaft coupling, its one end is connected with the other end of pump shaft side half shaft coupling；
Motor side half a coupler, its one end is connected with the other end of detachable middle shaft coupling；
Thrust collar, is arranged in the other end of detachable middle shaft coupling, and the head of thrust collar is spherical；
Baffle plate, is arranged in one end of motor side half a coupler, and the spherical head of thrust collar withstands this baffle plate, from by drive end
Thrust and pulling force be transferred to motor shaft again by thrust collar to baffle plate；
The other end of described detachable middle shaft coupling is a disc-shaped diaphragm structure, and this membrane configuration intermediate cross-section is minimum, by centre
Incrementally increasing to inner edge and cross section, outer rim direction, to compensate the angular displacement of drive end and pump shaft, balance misaligns the alternation caused
Load.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
The head of described thrust collar is sphere.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
Described pump shaft and half a coupler one end, pump shaft side, detachable middle shaft coupling one end and the pump shaft side half a coupler other end, with
And motor side half a coupler one end and the detachable middle shaft coupling other end all use rigidity end-tooth attachment structure, make moment of torsion and curved
Square is transmitted by end-tooth, and guarantees that each part connected is from centering.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
The pretightning force of described thrust collar is more than the maximum pull produced during working rotor.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
The end-tooth of the described detachable middle shaft coupling other end is positioned in the outer rim of its membrane configuration.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
The other end of described detachable middle shaft coupling is provided with endoporus, and thrust collar is arranged in this endoporus, and endoporus is used for guiding thrust
Head transmitting thrust.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein:
Described motor side half a coupler uses fluid pressure type interference to be connected with motor shaft.
Above-mentioned special balls roof construction end face tooth type flexible coupling, wherein
Preload during thrust collar assembling.
The present invention compared with prior art has the advantage that employing semirigid structure, when two rotating shafts exist angular deviation,
During radial displacement deviation, being compensated by membrane configuration, the rotor part meeting mechanical side and motor side is non-statically determinate structure,
And one side uses a journal bearing to support, meanwhile, each part all uses the end face tooth structure of rigidity to connect, and can transmit big torsion
Square, reassembles the reproducible of dynamically balanced reproducible, centering, moreover it is possible to meet at special transient state such as impeller side card rotor after disintegration
Rupture at smallest cross-sectional when operating mode occurs and protect unit safety.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the axonometric chart of the removable middle shaft coupling of the present invention；
Fig. 3 is the sectional view of the removable middle shaft coupling of the present invention；
Fig. 4 is the radial displacement compensation principle figure of the present invention；
Fig. 5 is the overall structure schematic diagram of the thrust collar of the present invention；
Fig. 6 is the membrane configuration cross section stresses scattergram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As it is shown in figure 1, a kind of special balls roof construction end face tooth type flexible coupling, its one end connects pump shaft 1, and the other end is even
Connecing motor shaft 7, described special balls roof construction end face tooth type flexible coupling comprises: pump shaft side half a coupler 2, its one end and pump shaft
1 connects；Detachable middle shaft coupling 3, its one end is connected with the other end of pump shaft side half shaft coupling 2；Motor side half a coupler 6, one
End is connected with the other end of detachable middle shaft coupling 3；Thrust collar 4, is arranged in the other end of detachable middle shaft coupling 3；Baffle plate
5, it is arranged in one end of motor side half a coupler 6, the head 41 of thrust collar 4 withstands this baffle plate 5, from (will by drive end
Mechanical energy is converted to the impeller of liquid kinetic energy, does not shows in figure) thrust and pulling force be transferred to electricity again by thrust collar 4 to baffle plate 5
Arbor 7；As shown in Figure 2,3, the other end of described detachable middle shaft coupling 3 is a disc-shaped diaphragm structure 31, this membrane configuration 31
Intermediate cross-section is minimum, centre incrementally increase to inner edge and cross section, outer rim direction, to compensate the angular displacement of drive end and pump shaft 1,
Balance misaligns the alternate load caused, and said structure makes cross section and the distribution situation of stress at each radius of membrane configuration 31
As shown in Figure 6, transverse axis in the radius corresponding diagram of membrane configuration 31, R1 to R2 radius incrementally increase, under special transient condition,
If pump side rotor seizure, detachable middle shaft coupling 3 (weakness) at the intermediate cross-section minimum of membrane configuration 31 can be caused
Fracture and then protection unit safety, and under normal operating conditions, at the minimum of cross section, stress is 0, can meet stress and moment of torsion transmission
Demand.
As it is shown in figure 5, the head 41 of described thrust collar 4 is that sphere is to compensate angle displacement during rotor misalignment, sphere
Little deformation, preload when thrust collar 4 assembles, and the pretightning force of thrust collar 4 is allowed to produce when have to be larger than working rotor
Maximum pull, this way it is ensured that detachable middle shaft coupling 3, thrust collar 4, motor side half a coupler 6 and baffle plate 5 in work process
Permanent contact, prevents from producing during thrust collar 4 under tension loosening.
Described pump shaft 1 and half a coupler 2 one end, pump shaft side, detachable middle shaft coupling 3 one end are another with pump shaft side half a coupler 2
One end and motor side half a coupler 6 one end all use rigidity end-tooth attachment structure with detachable middle shaft coupling 3 other end,
Moment of torsion and moment of flexure are transmitted by end-tooth, and guarantee that in shaft coupling rotation process, each part of connection is in centering, the present embodiment,
Pump shaft 1 is connected fixing in end-tooth engagement place by the first bolt and nut 8 with pump shaft side half a coupler 2, detachable middle shaft coupling 3 with
Pump shaft side half a coupler 2 is connected fixing in end-tooth engagement place by the second bolt and nut 9, and motor side half a coupler 6 and centre can
Tear shaft coupling 3 open and connected fastening in end-tooth engagement place by the 3rd bolt and nut 10.
As shown in Figure 2,3, the end-tooth of described detachable middle shaft coupling 3 other end is positioned at the outer rim of its membrane configuration 31
On, the other end of detachable middle shaft coupling 3 is provided with endoporus 32, and thrust collar 4 is arranged in this endoporus 32, and endoporus 32 pushes away for guiding
Power 4 transmitting thrust, use this outer rim to fix the mode that inner edge guides, the load edge in each cross section of detachable middle shaft coupling 3
Annular spread, extension bears pulling force, and inner circle bears pressure.
As shown in Figure 4, in the present embodiment, when assembling pump bearing and misaligning as f=1mm with motor shaft 7, according to pump bearing
The length membrane configuration 31 of present position can compensate for the angular deviation of maximum V=0.25mm.
Described motor side half a coupler 6 uses interference to be connected with motor shaft 7, tight with motor shaft 7 by carrying hydraulic structure
Though, and with screw, baffle plate 5 is fastened with motor shaft 7 end face, it is to avoid motor shaft 7 is offered keyway and is increased what extra-stress lost efficacy
Risk.
It is an advantage of the invention that the operating condition according to core main pump, during low voltage starting, rotor bears pulling force, when reaching specified
Operating condition is that rotor bears pressure, and this shaft coupling is that the transmission that can bear double-direction twist moment and bidirectional propulsion (pulling force and pressure) sets
Meter, because many places use the structure of rigidity end-tooth to connect, axially connects through bolt fastening, and bolt is subjected only to axial pre tightening force,
Moment of torsion and moment of flexure are transmitted by end-tooth；According to end-tooth connect feature, each part of connection can ensure from centering, removable in
Between the special construction design of shaft coupling can compensate drive end axle and pump side rotating shaft angular displacement, have in the most whole cycle
Non-maintaining, vibrate little, at axial both direction (under pulling force and pressure working condition) all non-loosenings, and without advantages such as lubrications；And
And fracture at smallest cross-sectional can be met when special transient state such as impeller side card rotor operating mode occurs and protect unit safety；In addition
Employing end face tooth structure is lightweight, and intensity is high, and stable and reliable operation is convenient to mount and dismount.When pump side part is keeped in repair by needs,
Detachable middle shaft coupling 3 is pulled down, is greatly saved maintenance and maintenance time, and the connection feature of end-tooth so that
Shaft coupling after reassembling continues to ensure dynamic balance accuracy and accuracy of alignment.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's
Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a special balls roof construction end face tooth type flexible coupling, its one end connects pump shaft (1), and the other end connects motor shaft
(7), it is characterised in that this special balls roof construction end face tooth type flexible coupling comprises:
Pump shaft side half a coupler (2), its one end is connected with pump shaft (1)；
Detachable middle shaft coupling (3), its one end is connected with the other end of pump shaft side half shaft coupling (2)；
Motor side half a coupler (6), its one end is connected with the other end of detachable middle shaft coupling (3)；
Thrust collar (4), is arranged in the other end of detachable middle shaft coupling (3), and the head (41) of thrust collar (4) is spherical；
Baffle plate (5), is arranged in one end of motor side half a coupler (6), and the spherical head (41) of thrust collar (4) withstands this baffle plate
(5), it is transferred to baffle plate (5) by thrust collar (4) is transferred to motor shaft (7) again from by thrust and the pulling force of drive end；
The other end of described detachable middle shaft coupling (3) is a disc-shaped diaphragm structure (31), this membrane configuration (31) intermediate cross-section
Minimum, is incrementally increased to inner edge and cross section, outer rim direction by centre, and to compensate the angular displacement of drive end and pump shaft (1), balance is not
The alternate load that centering causes.
2. special balls roof construction end face tooth type flexible coupling as claimed in claim 1, it is characterised in that:
Described pump shaft (1) and half a coupler (2) one end, pump shaft side, detachable middle shaft coupling (3) one end and pump shaft side half a coupler
(2) other end and motor side half a coupler (6) one end all use rigidity end-tooth with detachable middle shaft coupling (3) other end
Attachment structure, makes moment of torsion and moment of flexure be transmitted by end-tooth, and guarantees that each part connected is from centering.
3. special balls roof construction end face tooth type flexible coupling as claimed in claim 1, it is characterised in that:
The pretightning force of described thrust collar (4) is more than produced maximum pull during working rotor.
4. special balls roof construction end face tooth type flexible coupling as claimed in claim 2, it is characterised in that:
The end-tooth of described detachable middle shaft coupling (3) other end is positioned in the outer rim of its membrane configuration (31).
5. special balls roof construction end face tooth type flexible coupling as claimed in claim 1, it is characterised in that:
The other end of described detachable middle shaft coupling (3) is provided with endoporus (32), and thrust collar (4) is arranged in this endoporus (32), interior
Hole (32) is used for guiding thrust collar (4) transmitting thrust.
6. special balls roof construction end face tooth type flexible coupling as claimed in claim 1, it is characterised in that:
Described motor side half a coupler (6) uses fluid pressure type interference to be connected with motor shaft (7).
7. special balls roof construction end face tooth type flexible coupling as claimed in claim 1, it is characterised in that:
Preload during thrust collar (4) assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716138.0A CN106122076B (en) | 2016-08-24 | 2016-08-24 | A kind of special roof structure end face tooth type flexible coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716138.0A CN106122076B (en) | 2016-08-24 | 2016-08-24 | A kind of special roof structure end face tooth type flexible coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122076A true CN106122076A (en) | 2016-11-16 |
| CN106122076B CN106122076B (en) | 2018-08-28 |
Family
ID=57274974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716138.0A Active CN106122076B (en) | 2016-08-24 | 2016-08-24 | A kind of special roof structure end face tooth type flexible coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122076B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763255A (en) * | 2016-12-23 | 2017-05-31 | 上海莘翔自动化科技有限公司 | Big flexible, retractable shaft coupling |
| CN109715952A (en) * | 2016-09-21 | 2019-05-03 | 克诺尔商用车制动系统有限公司 | Screw compressor system for a commercial vehicle |
| CN111396312A (en) * | 2020-03-11 | 2020-07-10 | 东南大学 | Synchronous rotary compressor adopting external drive |
| JP2021110241A (en) * | 2020-01-06 | 2021-08-02 | 三菱重工コンプレッサ株式会社 | Compressor system |
| CN113533963A (en) * | 2021-08-03 | 2021-10-22 | 成都中车电机有限公司 | Traction motor test device |
| CN115467904A (en) * | 2022-09-13 | 2022-12-13 | 中国航发沈阳发动机研究所 | High Compensation Capability Diaphragm of a Diaphragm Coupling and Its Profile Design Method |
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| FR2525699A1 (en) * | 1982-04-26 | 1983-10-28 | Largeaud Paul | Centrifugal pump with easily replaceable rotor seal - uses hollow shaft coupled to drive with detachable coupling to coaxial shaft which can be withdrawn to give seal access |
| CN201236899Y (en) * | 2008-08-14 | 2009-05-13 | 无锡创明传动工程有限公司 | Diaphragm coupling with ultra-large torque |
| CN201236898Y (en) * | 2008-08-14 | 2009-05-13 | 无锡创明传动工程有限公司 | Diaphragm coupling with low additional bending moment |
| CN201351690Y (en) * | 2009-01-23 | 2009-11-25 | 沈阳华科技贸有限责任公司 | Diaphragm disc coupler |
| CN203441993U (en) * | 2013-05-15 | 2014-02-19 | 山东青能动力股份有限公司 | An end face tooth flange coupler for team turbines |
| CN204591773U (en) * | 2015-01-30 | 2015-08-26 | 上海电气凯士比核电泵阀有限公司 | Rotor of nuclear main pump parts and end-tooth linkage structure thereof |
| CN205956051U (en) * | 2016-08-24 | 2017-02-15 | 上海电气凯士比核电泵阀有限公司 | Special ball top structure terminal surface flute profile flexible coupling |
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| FR2525699A1 (en) * | 1982-04-26 | 1983-10-28 | Largeaud Paul | Centrifugal pump with easily replaceable rotor seal - uses hollow shaft coupled to drive with detachable coupling to coaxial shaft which can be withdrawn to give seal access |
| CN201236899Y (en) * | 2008-08-14 | 2009-05-13 | 无锡创明传动工程有限公司 | Diaphragm coupling with ultra-large torque |
| CN201236898Y (en) * | 2008-08-14 | 2009-05-13 | 无锡创明传动工程有限公司 | Diaphragm coupling with low additional bending moment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715952A (en) * | 2016-09-21 | 2019-05-03 | 克诺尔商用车制动系统有限公司 | Screw compressor system for a commercial vehicle |
| CN106763255A (en) * | 2016-12-23 | 2017-05-31 | 上海莘翔自动化科技有限公司 | Big flexible, retractable shaft coupling |
| CN106763255B (en) * | 2016-12-23 | 2023-06-06 | 上海莘翔自动化科技有限公司 | Large flexible telescopic coupling |
| JP2021110241A (en) * | 2020-01-06 | 2021-08-02 | 三菱重工コンプレッサ株式会社 | Compressor system |
| JP7429541B2 (en) | 2020-01-06 | 2024-02-08 | 三菱重工コンプレッサ株式会社 | compressor system |
| CN111396312A (en) * | 2020-03-11 | 2020-07-10 | 东南大学 | Synchronous rotary compressor adopting external drive |
| CN113533963A (en) * | 2021-08-03 | 2021-10-22 | 成都中车电机有限公司 | Traction motor test device |
| CN115467904A (en) * | 2022-09-13 | 2022-12-13 | 中国航发沈阳发动机研究所 | High Compensation Capability Diaphragm of a Diaphragm Coupling and Its Profile Design Method |
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|---|---|
| CN106122076B (en) | 2018-08-28 |
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