CN106286621A - A kind of main shaft, half a coupler attachment structure and installation and removal method thereof - Google Patents
A kind of main shaft, half a coupler attachment structure and installation and removal method thereof Download PDFInfo
- Publication number
- CN106286621A CN106286621A CN201610962548.3A CN201610962548A CN106286621A CN 106286621 A CN106286621 A CN 106286621A CN 201610962548 A CN201610962548 A CN 201610962548A CN 106286621 A CN106286621 A CN 106286621A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- coupler
- thread segment
- pull bar
- tooth
- 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
Links
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
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
-
- 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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of main shaft, half a coupler attachment structure and installation and removal method thereof, belong to shaft coupling field.It includes main shaft, half a coupler, the end face of main shaft is provided with axial screwed hole, half a coupler is provided with axial unthreaded hole, also include pull bar, locking nut, pull bar includes the first thread segment set gradually, prestretched section, positioning section and the second thread segment, described first thread segment and the screwed hole threaded engagement on main shaft, described prestretched section stretchable generation elastic deformation, described positioning section and unthreaded hole matched in clearance, described second thread segment and locking nut threaded engagement, for location axial to half a coupler, main shaft end-tooth it is additionally provided with on the end face of main shaft, half a coupler is provided with, near the end face of main shaft, the half a coupler end-tooth engaged with main shaft end-tooth, for circumferentially positioned to half a coupler and transmit moment of torsion.Its convenient dismounting, it is adaptable to some half a coupler and main shaft need often dismounting and location and torsion pass are required higher occasion.
Description
Technical field
The invention belongs to shaft coupling field, relate to main shaft, half a coupler attachment structure and the installation thereof of a kind of convenient dismounting
And method for dismounting.
Background technology
Along with the development of the high-end equipment manufacture of China, the application of high-speed rotating machine is more and more extensive.Two high
Generally require employing shaft coupling when being attached between the rotor that speed rotates, be in high speed rotating shape due to rotor at work
State, so this kind of rotor has higher requirement, prior art rotor and half a coupler to location and the torsion pass of half a coupler
Between usually use hot jacket assembling come interference fit.But the chemical industries such as this kind of attachment structure dismounting difficulty, particularly oil
Forbid burning things which may cause a fire disaster at the scene, cause the dismounting such as the hot jacket commonly used to realize, reliable in the urgent need to one location, on-the-spot easy accessibility
Main shaft, half a coupler attachment structure.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is provided that a kind of main shaft, half a coupler attachment structure, and it is suitable for
Need often dismounting in some half a coupler and main shaft and location and torsion pass are required higher occasion.
The present invention can be achieved through the following technical solutions: a kind of main shaft, half a coupler attachment structure, including main shaft, half connection
Axial organ, the end face of described main shaft is provided with axial screwed hole, and described half a coupler is provided with axial unthreaded hole, also includes drawing
Bar, locking nut, described pull bar includes the first thread segment, prestretched section, positioning section and the second thread segment set gradually, institute
State the first thread segment and the screwed hole threaded engagement on main shaft, described prestretched section stretchable generation elastic deformation, described location
Section and the unthreaded hole matched in clearance on half a coupler, described second thread segment and described locking nut threaded engagement, for half-and-half connection
Axial organ axially positions, and the end face of described main shaft is additionally provided with main shaft end-tooth, and described half a coupler sets on the end face of main shaft
Half a coupler end-tooth, described half a coupler end-tooth is had to engage with described main shaft end-tooth, for fixed to half a coupler circumference
Moment of torsion is also transmitted in position.
Preferably, the described diameter of the first thread segment and the diameter of positioning section are all higher than the diameter of prestretched section.
Preferably, the side face of described locking nut is provided with some blind holes.
Preferably, one end end face of remotely located section of described second thread segment is four square ends or six square ends.
Preferably, described main shaft end-tooth and half a coupler end-tooth are stepped tooth.
Preferably, described first thread segment, the second thread segment thread rotary orientation identical, the direction of rotation of described main shaft and the
One thread segment, the second thread segment thread rotary orientation contrary.
Preferably, described half a coupler fixes connection shaft coupling segmentation sleeve away from one end of main shaft by screw, described
Shaft coupling segmentation sleeve connection has shaft coupling intergrade.
Preferably, it is provided with diaphragm between described half a coupler and shaft coupling segmentation sleeve.
Above-mentioned main shaft, the installation and removal method of half a coupler attachment structure:
During installation, first being screwed in by the first thread segment of pull bar in the screwed hole of main shaft end face, installing will half connection after putting in place
Axial organ is guided by pull bar and hangs on pull bar, makes half a coupler end-tooth and main shaft end-tooth flank engagement, then by locking screw
On the second thread segment that mother is arranged on pull bar, screw thread stretching tool is used to stretch pull bar with half a coupler for fulcrum, will locking
Nut is screwed into place, then half a coupler away from main shaft one end by screw install shaft coupling segmentation sleeve, finally at shaft coupling
Shaft coupling intergrade is installed on device segmentation sleeve；
During dismounting, first remove shaft coupling intergrade and shaft coupling segmentation sleeve, after exposing locking nut and pull bar, use
Screw thread stretching tool elongates pull bar, then screws out locking nut, can take out half a coupler, finally screwed out by pull bar from pull bar
Dismounting is i.e. completed after main shaft.
Compared with prior art, the present invention has following beneficial effect: the present invention compares the hot jacket that tradition half a coupler uses
Deng installation the most flexible, convenient disassembly, it is only necessary to simple instrument can complete dismounting, be suitable for various workplaces, and
End-tooth has well-located, the feature that torsion pass is stable, according to pull bar design can transmit high torque, be suitable for high speed light loading and
The working conditions such as middle load.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of half a coupler in the present invention；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural representation of half a coupler end-tooth in the present invention.
Reference
1 is main shaft, and 2 is half a coupler, and 3 is pull bar, and 4 is locking nut, and 5 is shaft coupling segmentation sleeve, and 6 is screw, and 7 are
Shaft coupling intergrade, 21 is half a coupler end-tooth, and 22 is unthreaded hole, and 31 is the first thread segment, and 32 is prestretched section, and 33 is location
Section, 34 is the second thread segment, and 41 is blind hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described in further detail.
Seeing Fig. 1-Fig. 4, main shaft, a kind of embodiment of half a coupler attachment structure, including main shaft 1, half a coupler 2, master
The end face of axle 1 is provided with axial screwed hole, and half a coupler 2 is provided with axial unthreaded hole 22, also includes pull bar 3, locking nut
4, pull bar 3 includes the first thread segment 31, prestretched section 32, positioning section 33 and the second thread segment 34, the first spiral shell set gradually
Stricture of vagina section 31 and the screwed hole threaded engagement on main shaft 1, prestretched section 32 stretchable generation elastic deformation, positioning section 33 and half shaft coupling
Unthreaded hole 22 matched in clearance on device 2, the second thread segment 34 and locking nut 4 threaded engagement, for axially fixed to half a coupler 2
Position, the end face of main shaft 1 is additionally provided with main shaft end-tooth, and half a coupler 2 is provided with half a coupler end-tooth near the end face of main shaft 1
21, half a coupler end-tooth 21 engages with main shaft end-tooth, is used for circumferentially positioned to half a coupler 2 and transmits moment of torsion.This enforcement
In example, prestretched section 32 is made up of the martensitic precipitation that the trade mark is 0Cr17NiCu4Nb, can stretch vertically, for
Pull bar 3 provides certain elongation when pretension, allow locking nut 4 can precession certain length, simultaneously also there is certain intensity
And hardness, prevent fracture.Positioning section 33 and unthreaded hole 22 matched in clearance, can play the work of auxiliary positioning when assembling and work
With.
The diameter of the first thread segment 31 and the diameter of positioning section 33 are all higher than the diameter of prestretched section 32.Prestretched end 32
Diameter is less, in the case of can bearing pretightning force guaranteeing pull bar 3, has longer elongation when identical pretightning force, side
Just the thread segment that the precession of locking nut 4 energy is longer, can effectively prevent locking nut 4 lower generation in working order from loosening, and at lock
When jack panel 4 rotates small angle, it is unlikely to endanger shaft coupling work.
The side face of locking nut 4 is provided with some blind holes 41.Blind hole 41 engagement tool can facilitate and screwed in by locking nut 4
Or screw out.
One end end face of the second thread segment 34 remotely located section 33 is four square ends or six square ends.Convenient for assembly.
Main shaft end-tooth and half a coupler end-tooth 21 are stepped tooth.
The thread rotary orientation of first thread segment the 31, second thread segment 34 is identical, the direction of rotation of main shaft 1 and the first thread segment
31, the thread rotary orientation of the second thread segment 34 is contrary.Ensure work time main shaft 1, will not loosen between pull bar 3 and half a coupler 2.
Half a coupler 2 connects shaft coupling segmentation sleeve 5, shaft coupling segmentation set away from one end of main shaft 1 by screw 6 is fixing
Cylinder 5 connects shaft coupling intergrade 7.It is provided with diaphragm 8 between half a coupler 2 and shaft coupling segmentation sleeve 5.Diaphragm 8 can compensate
Relative displacement between half a coupler 2 and shaft coupling segmentation sleeve 5.
Above-mentioned main shaft, a kind of embodiment of installation and removal method of half a coupler attachment structure,
During installation, first being screwed in by the first thread segment 31 of pull bar 3 in the screwed hole of main shaft 1 end face, installing will after putting in place
Half a coupler 2 is guided by pull bar 3 and hangs on pull bar 3, and half a coupler end-tooth 21 and main shaft end-tooth flank engagement are nibbled naturally
Maximal clearance between conjunction state lower half coupling end-face teeth 21 and main shaft end-tooth is less than 3, is then installed by locking nut 4
On the second thread segment 34 on pull bar 3, using screw thread stretching tool to stretch pull bar 3 with half a coupler 2 for fulcrum, pulling force can root
The Rational Parameters such as the moment of torsion according to main shaft 1 rotating speed and transmission select, after moving predetermined value to, by the blind hole on locking nut 4 side face
Locking nut 4 is screwed into place by 41, and under tension, the maximal clearance between half a coupler end-tooth 21 and main shaft end-tooth is little
In 1, then shaft coupling segmentation sleeve 5 it is installed, finally at shaft coupling away from one end of main shaft 1 by screw 6 at half a coupler 2
Shaft coupling intergrade 7 is installed on segmentation sleeve 5；
During dismounting, first remove shaft coupling intergrade 7 and shaft coupling segmentation sleeve 5, after exposing locking nut 4 and pull bar 3,
Use screw thread stretching tool to elongate pull bar 3, be in more loose state to locking nut 4, then blind by locking nut 4 side face
Hole 41 screws out locking nut 4, can take out half a coupler 2, i.e. complete to tear open after finally pull bar 3 being screwed out main shaft 1 from pull bar 3
Unload.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted, this area general
Logical it will be appreciated by the skilled person that technical scheme can be modified or equivalent, without deviating from the present invention
The objective of technical scheme and scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (9)
1. main shaft, a half a coupler attachment structure, including main shaft, half a coupler, it is characterised in that: on the end face of described main shaft
Being provided with axial screwed hole, described half a coupler is provided with axial unthreaded hole, also includes pull bar, locking nut, described pull bar bag
Include on the first thread segment, prestretched section, positioning section and the second thread segment set gradually, described first thread segment and main shaft
Screwed hole threaded engagement, described prestretched section stretchable generation elastic deformation, between the unthreaded hole on described positioning section and half a coupler
Gap coordinates, described second thread segment and described locking nut threaded engagement, for location axial to half a coupler, described main shaft
Being additionally provided with main shaft end-tooth on end face, described half a coupler is provided with half a coupler end-tooth near the end face of main shaft, and described half
Coupling end-face teeth engages with described main shaft end-tooth, is used for circumferentially positioned to half a coupler and transmits moment of torsion.
Main shaft the most according to claim 1, half a coupler attachment structure, it is characterised in that: described first thread segment straight
The diameter of footpath and positioning section is all higher than the diameter of prestretched section.
Main shaft the most according to claim 1, half a coupler attachment structure, it is characterised in that: the side face of described locking nut
It is provided with some blind holes.
Main shaft the most according to claim 1, half a coupler attachment structure, it is characterised in that: described second thread segment away from
One end end face of positioning section is four square ends or six square ends.
Main shaft the most according to claim 1, half a coupler attachment structure, it is characterised in that: described main shaft end-tooth and
Half a coupler end-tooth is stepped tooth.
Main shaft the most according to claim 1, half a coupler attachment structure, it is characterised in that: described first thread segment, second
The thread rotary orientation of thread segment is identical, and the direction of rotation of described main shaft is contrary with the thread rotary orientation of the first thread segment, the second thread segment.
7. according to the main shaft described in any one of claim 1 to 6, half a coupler attachment structure, it is characterised in that: described half shaft coupling
Device connects shaft coupling segmentation sleeve away from one end of main shaft by screw is fixing, and described shaft coupling segmentation sleeve connection has shaft coupling
Intergrade.
Main shaft the most according to claim 7, half a coupler attachment structure, it is characterised in that: described half a coupler and shaft coupling
It is provided with diaphragm between device segmentation sleeve.
9. main shaft described in any one of claim 1 to 8, an installation and removal method for half a coupler attachment structure, it is special
Levy and be: during installation, first the first thread segment of pull bar is screwed in the screwed hole of main shaft end face, install half shaft coupling after putting in place
Device is guided by pull bar and hangs on pull bar, makes half a coupler end-tooth and main shaft end-tooth flank engagement, then by locking nut
On the second thread segment being arranged on pull bar, screw thread stretching tool is used to stretch pull bar with half a coupler for fulcrum, by locking screw
Mother is screwed into place, then half a coupler away from main shaft one end by screw install shaft coupling segmentation sleeve, finally at shaft coupling
Shaft coupling intergrade is installed on segmentation sleeve；
During dismounting, first remove shaft coupling intergrade and shaft coupling segmentation sleeve, after exposing locking nut and pull bar, use screw thread
Stretching tool elongates pull bar, then screws out locking nut, can take out half a coupler, finally pull bar is screwed out main shaft from pull bar
After i.e. complete dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962548.3A CN106286621A (en) | 2016-10-28 | 2016-10-28 | A kind of main shaft, half a coupler attachment structure and installation and removal method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962548.3A CN106286621A (en) | 2016-10-28 | 2016-10-28 | A kind of main shaft, half a coupler attachment structure and installation and removal method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286621A true CN106286621A (en) | 2017-01-04 |
Family
ID=57720495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610962548.3A Pending CN106286621A (en) | 2016-10-28 | 2016-10-28 | A kind of main shaft, half a coupler attachment structure and installation and removal method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286621A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396816A (en) * | 2018-12-14 | 2019-03-01 | 重庆江增船舶重工有限公司 | A kind of turbine type host axially assembles and disassembles the auxiliary mould and mounting and dismounting method of precision parts |
| CN113910162A (en) * | 2021-11-25 | 2022-01-11 | 中车大连机车车辆有限公司 | Device and method for mounting and dismounting high-elastic coupler of diesel generator set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2269170A (en) * | 1940-05-03 | 1942-01-06 | Gen Electric | Coupling |
| CN101235826A (en) * | 2006-11-27 | 2008-08-06 | 株式会社Ihi | Tension bolt for compressor |
| CN201351690Y (en) * | 2009-01-23 | 2009-11-25 | 沈阳华科技贸有限责任公司 | Diaphragm disc coupler |
| DE102009013367A1 (en) * | 2009-03-06 | 2010-09-09 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Coupling arrangement for use between gearbox output and e.g. propeller shat in motorcycle for dampingly transferring torque, has elastic profile bundle extending between flanges and received in blind holes in flanges on longitudinal side |
| CN101900167A (en) * | 2010-07-14 | 2010-12-01 | 无锡创明传动工程有限公司 | Assembly structure of elastic shaft protection lamination of stud |
| CN104259754A (en) * | 2014-08-12 | 2015-01-07 | 重庆江增船舶重工有限公司 | Impeller pull rod machining method |
-
2016
- 2016-10-28 CN CN201610962548.3A patent/CN106286621A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2269170A (en) * | 1940-05-03 | 1942-01-06 | Gen Electric | Coupling |
| CN101235826A (en) * | 2006-11-27 | 2008-08-06 | 株式会社Ihi | Tension bolt for compressor |
| CN201351690Y (en) * | 2009-01-23 | 2009-11-25 | 沈阳华科技贸有限责任公司 | Diaphragm disc coupler |
| DE102009013367A1 (en) * | 2009-03-06 | 2010-09-09 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Coupling arrangement for use between gearbox output and e.g. propeller shat in motorcycle for dampingly transferring torque, has elastic profile bundle extending between flanges and received in blind holes in flanges on longitudinal side |
| CN101900167A (en) * | 2010-07-14 | 2010-12-01 | 无锡创明传动工程有限公司 | Assembly structure of elastic shaft protection lamination of stud |
| CN104259754A (en) * | 2014-08-12 | 2015-01-07 | 重庆江增船舶重工有限公司 | Impeller pull rod machining method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396816A (en) * | 2018-12-14 | 2019-03-01 | 重庆江增船舶重工有限公司 | A kind of turbine type host axially assembles and disassembles the auxiliary mould and mounting and dismounting method of precision parts |
| CN113910162A (en) * | 2021-11-25 | 2022-01-11 | 中车大连机车车辆有限公司 | Device and method for mounting and dismounting high-elastic coupler of diesel generator set |
| CN113910162B (en) * | 2021-11-25 | 2024-02-02 | 中车大连机车车辆有限公司 | Device and method for installing and detaching high-elastic coupling of diesel generating set |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |