CN105041893A - Echeloned torsion transmission and shock absorbing combined coupling - Google Patents
Echeloned torsion transmission and shock absorbing combined coupling Download PDFInfo
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- CN105041893A CN105041893A CN201510363843.2A CN201510363843A CN105041893A CN 105041893 A CN105041893 A CN 105041893A CN 201510363843 A CN201510363843 A CN 201510363843A CN 105041893 A CN105041893 A CN 105041893A
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Abstract
The invention provides an echeloned torsion transmission and shock absorbing combined coupling which comprises an input end half-coupling, a sheath, an elastic sleeve group, a middle joint, a variable-rigidity membrane group and an output end half-coupling. A flange of the input end half-coupling is connected with the sheath through the elastic sleeve group to form an elastic torsion transmission and impact absorbing loop. Outer teeth of the tail end of the input end half-coupling are matched with inner teeth of the sheath to form a torsion transmission strengthening loop. The front end of the middle joint is connected with the sheath, and the rear end of the middle joint is connected with the output end half-coupling through the variable-rigidity membrane group. By means of the echeloned torsion transmission and shock absorbing combined coupling, high-frequency torsion vibration of a diesel engine set, a reciprocating compressor unit and a frequency changer set can be effectively eliminated, and the problem that because the torsion is enlarged, connection and transmission of units become difficult in work of a chemical raw material gas compressor unit, an ethylene granulating machine group and the like is solved; and an optimal scheme is provided for long-distance transmission of a frequency-conversion renovation unit.
Description
Technical field
The present invention relates to a kind of coupling, especially a kind of echelon torsion pass absorbing combination coupling, belongs to the connection for transmission technical field of large-scale rotation unit.
Background technique
The Frequency Conversion Modification of motor drive train is the emphasis support project that national energy-saving reduces discharging policy, and cement, iron and steel, nearly all enterprise satisfied the requirements of power plant are all at the Frequency Conversion Modification carrying out unit.But the working speed in frequency converter sets running, moment of torsion are constantly changes, unit can be caused to produce torsional impact, caused vibration before this, and damaged very soon.ABB Chinese companies finds that numerical example frequency-conversion harmonic causes the example of main frame bearing failure.In addition, the unit that reciprocating flow, high-speed diesel fuel unit, material gas compressor bank, ethene granulation unit etc. be many torsional impact, moment of torsion strengthens instantaneously, its connection for transmission is long-standing always, and the accident that unit vibration coupling destroys often occurs.
So far, that to be rigidity be domestic coupling is flexible or be flexible, and function singleness, unit change in torque in above-mentioned operation being produced to torsional impact does not still have suitable coupling.
Summary of the invention
For eliminating the high frequency torsional oscillation of frequency converter sets reciprocating flow diesel engine unit; a unit connection for transmission difficult problem is increased for solving moment of torsion in numerous runnings such as material gas compressor bank, ethene granulation unit; and for Frequency Conversion Modification machine group leader distance transmission optimal selection is provided; the present invention proposes a kind of combination coupling; by integrated to elastic sleeve, diaphragm and gear coupling, there is into the specific performance that echelon torsion pass absorbs change in torque impact.
For achieving the above object, the technical solution used in the present invention is: echelon torsion pass absorbing combination coupling, comprises input end half-coupling (1), sheath (2), elastic sleeve group (3), middle node (4), variation rigidity diaphragm group (5) and output terminal half-coupling (6); The flange of input end half-coupling is connected with sheath by elastic sleeve group, forms elasticity torsion pass and absorbs impulse circuit.Input end half-coupling end external tooth coordinates with the internal tooth of sheath, forms and strengthens torsion pass loop.The front end of middle node (4) is connected with sheath (2), and rear end is connected with output terminal half-coupling (6) with by variation rigidity diaphragm group (5), and transmitting torque also absorbs the tip becoming moment of torsion further and impacts.
Preferably, described elastic sleeve group adopts the superpolyester composite material that content of graphite is high, intensity is high.
Preferably, described elastic sleeve group takes outer real hollow structure design.
Preferably, radiation hole is provided with in described elastic sleeve group.
Preferably, the internal tooth of described input end half-coupling (1) end external tooth and sheath (2) adopts crowned teeth design, interior outside flanks leaves gap, and the angular clearances at standard pitch circle place is a bit larger tham elastic sleeve group extrusion-deformation corner under 2 times of rated torques.
Preferably, the interior tooth top of sheath (2) and the outer bottom clearance of described input end half-coupling (1) end are not more than 0.08mm, and tooth top tooth-face roughness degree is not more than Δ 1.6.
Preferably, described input end half-coupling (1) end external tooth cover flank of tooth copper facing.
Preferably, shoe cream room and oil hole is provided with outside the interior toothed ring gear of sheath (2).
Preferably, described variation rigidity diaphragm group (5) is shape with a tight waist.
Preferably, described variation rigidity diaphragm group (5) single-sheet thickness is not more than 0.5mm.
Preferably, described variation rigidity diaphragm group (5) one week bolt hole standard pitch diameter slightly larger than the standard pitch diameter of the flange plate one week bolt hole be mated.
Preferably, described variation rigidity diaphragm group (5) its riveting cover inboard is designed to arcuation.
Feature of the present invention and beneficial effect:
1. coupling of the present invention is by integrated to elastic sleeve, diaphragm and gear coupling, has into the specific performance that echelon torsion pass absorbs change in torque impact.
2. coupling elastic sleeve group of the present invention is due to containing graphite, just there is the excellent specific property that selflubricating rub resistance, high temperature resistant freedom from cracking and good electrical insulate, the crushing strength of the elastic sleeve (rubber-like) of a large amount of use is at present improved more than 2 times, working life was brought up to more than 5 years (these are non-back of the body toothing statistics) by 3.5 months; The conduction that elastic sleeve group effectively can intercept frequency-conversion harmonic simultaneously prevents it to the destruction of working machine bearing.
3. elastic sleeve group the design of outer real hollow structure and also with radiation hole, achieve the Proper Match of elastic damping and intensity, wear resistance, the looser heat except extrusion friction generation.
4. the back of the body tooth in coupling of the present invention props up the softer elastic sleeve group of overfill protection; it is made not to be out of shape by the compressing of long middle node weight; thus coupling can do long enough (can accomplish that 12.7 meters without supporting as required; external the longest is 8 meters); there is again higher Natural Frequencies of Transverse Vibration (self-excited oscillation rotating speed); ensure that the running speed of connected unit is under its single order vibration rotating speed, avoids unit to produce more serious vibration.
5. the back of the body toothing of coupling of the present invention, forms and strengthens torsion pass loop, and increase torque transmission capacity is to more than 2 times of simple elastic sleeve instantaneously; Back of the body toothing protects not the being damaged property extruding of elastic sleeve group simultaneously, extends its long service life.
6. the output terminal of coupling of the present invention adopts variation rigidity diaphragm group structural design, in flexible speciality under rated torque effect, in elastic nature under impulsive torque effect.
7. the use of coupling of the present invention provides optimal selection for Frequency Conversion Modification engineering: coupling directly connects motor--blower fan, the transmission of long distance.Thus, Frequency Conversion Modification engineering need not be moved unit after removing hydraulic couplers and do not beaten again ground, saves operating expenses, and extra earning of can going into operation in advance.
In a word; it effectively can eliminate the high frequency torsional oscillation of frequency converter sets reciprocating flow diesel engine unit; solve moment of torsion in numerous work such as material gas compressor bank, ethene granulation unit and add a large-sized unit connection for transmission difficult problem, and provide optimum scheme for the transmission of Frequency Conversion Modification machine group leader distance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of single elastic sleeve.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural representation that input end half-coupling end external tooth coordinates with the internal tooth of sheath.
Fig. 5 is the partial enlarged drawing of middle node and output terminal half-coupling joint.
Fig. 6 is the structural representation of variation rigidity diaphragm group.
Fig. 7 is the partial enlarged drawing at variation rigidity diaphragm group riveting cover place.
Fig. 8 is the structural representation of variation rigidity diaphragm group under rated torque.
Fig. 9 is the structural representation of variation rigidity diaphragm group under impulsive torque.
Embodiment
Embodiment
As Figure 1-Figure 4: echelon torsion pass absorbing combination coupling, comprises input end half-coupling 1, sheath 2, elastic sleeve group 3, middle node 4, variation rigidity diaphragm group 5 and output terminal half-coupling 6.The flange of input end half-coupling 1 is connected with sheath 2 by elastic sleeve group 3, forms elasticity torsion pass and absorbs impulse circuit.Input end half-coupling 1 end external tooth coordinates with the internal tooth of sheath 2, forms and strengthens torsion pass loop.The front end of middle node 4 is connected with sheath 2, and rear end is connected with output terminal half-coupling 6 with by variation rigidity diaphragm group 5, and transmitting torque also absorbs the tip impact becoming moment of torsion further.Elastic sleeve group 3 takes outer real hollow structure design, is inside provided with radiation hole 8.
As shown in Figure 1 and Figure 5: middle node 4 and output terminal half-coupling 6 are not rigidly connected, have six bolts for connecting middle node 4, variation rigidity diaphragm group 5, output terminal half-coupling 6.When one end of bolt is connected with the flange plate of middle node 4 time, the other end is connected with variation rigidity diaphragm group 5; Its adjacent bolt is just in time contrary, and when one end of bolt is connected with the flange plate of output terminal half-coupling 6 time, the other end is connected with variation rigidity diaphragm group 5.This ensures that thering impulsive torque is pass to output terminal half-coupling 6 by variation rigidity diaphragm group 5.
As shown in Fig. 6-Fig. 9: as described in variation rigidity diaphragm group be shape with a tight waist, its single-sheet thickness is not more than 0.5mm.Described variation rigidity diaphragm group one week bolt hole standard pitch diameter slightly larger than the standard pitch diameter of the flange plate one week bolt hole be mated.Described its riveting of variation rigidity diaphragm group is overlapped 7 inboards and is designed to arcuation, is conducive to like this variation rigidity diaphragm group is deformed.Under rated torque, variation rigidity diaphragm group can not deform; But under impulsive torque, overlap 7 inboards be designed to arcuation due to riveting, extruding variation rigidity diaphragm group generation resiliently deformable, makes impulsive torque be cushioned.
Working principle:
When (all having change in torque, impact) in above-mentioned unit operation process, this coupling by elastic sleeve group extruding transmitting torque, and absorbs the impact of change in torque.Reach maximum value when the extrusion-deformation of elastic sleeve group exceedes allowable value instantaneous torque, inside and outside tooth contact and the common transmitting torque of elastic sleeve group, the distortion of this time-varying rigidity diaphragm group membrane flexive absorbs tip torsional impact, forms echelon torsion pass and absorbs change in torque impact.
Claims (10)
1. echelon torsion pass absorbing combination coupling, is characterized in that: comprise input end half-coupling (1), sheath (2), elastic sleeve group (3), middle node (4), variation rigidity diaphragm group (5) and output terminal half-coupling (6); The flange of input end half-coupling is connected with sheath by elastic sleeve group, forms elasticity torsion pass and absorbs impulse circuit; Input end half-coupling end external tooth coordinates with the internal tooth of sheath, forms and strengthens torsion pass loop; The front end of middle node (4) is connected with sheath (2), and rear end is connected with output terminal half-coupling (6) with by variation rigidity diaphragm group (5).
2. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: described elastic sleeve group (3) adopts the superpolyester composite material that content of graphite is high, intensity is high.
3. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: described elastic sleeve group (3) takes outer real hollow structure design, is provided with radiation hole in it.
4. echelon torsion pass absorbing combination coupling as claimed in claim 1, it is characterized in that: the internal tooth of described input end half-coupling (1) end external tooth and sheath (2) adopts crowned teeth, interior outside flanks leaves gap, and the angular clearances at standard pitch circle place is a bit larger tham elastic sleeve group extrusion-deformation corner under 2 times of rated torques.
5. echelon torsion pass absorbing combination coupling as claimed in claim 1, it is characterized in that: the interior tooth top of sheath (2) and the outer bottom clearance of described input end half-coupling (1) end are not more than 0.08mm, and tooth top tooth-face roughness degree is not more than Δ 1.6.
6. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: be provided with shoe cream room and oil hole outside the interior toothed ring gear of described sheath (2).
7. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: described variation rigidity diaphragm group (5) is shape with a tight waist.
8. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: described variation rigidity diaphragm group (5) single-sheet thickness is not more than 0.5mm; One week bolt hole standard pitch diameter slightly larger than the standard pitch diameter of the flange plate one week bolt hole be mated.
9. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: described variation rigidity diaphragm group (5) its riveting cover inboard is designed to arcuation.
10. echelon torsion pass absorbing combination coupling as claimed in claim 1, is characterized in that: middle node (4) and output terminal half-coupling (6) are not rigidly connected; When one end of bolt is connected with the flange plate of middle node (4) time, the other end is connected with variation rigidity diaphragm group (5); Its adjacent bolt is just in time contrary, and when one end of bolt is connected with the flange plate of output terminal half-coupling (6) time, the other end is connected with variation rigidity diaphragm group (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363843.2A CN105041893A (en) | 2015-06-26 | 2015-06-26 | Echeloned torsion transmission and shock absorbing combined coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363843.2A CN105041893A (en) | 2015-06-26 | 2015-06-26 | Echeloned torsion transmission and shock absorbing combined coupling |
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| CN105041893A true CN105041893A (en) | 2015-11-11 |
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| CN201510363843.2A Pending CN105041893A (en) | 2015-06-26 | 2015-06-26 | Echeloned torsion transmission and shock absorbing combined coupling |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485196A (en) * | 2015-12-29 | 2016-04-13 | 武汉正通传动技术有限公司 | Torque limiter provided with gear friction plates |
| CN107741327A (en) * | 2017-10-16 | 2018-02-27 | 宝沃汽车（中国）有限公司 | Vibration absorber and automotive engine test bench for engine |
| CN108071702A (en) * | 2016-11-15 | 2018-05-25 | 操纵技术Ip控股公司 | The adapter assembly of variable rigidity with bush assembly |
| CN108076889A (en) * | 2018-02-02 | 2018-05-29 | 新疆农业科学院农业机械化研究所 | A kind of all-hydraulic disc type fast pruning device |
| CN110939662A (en) * | 2019-12-28 | 2020-03-31 | 中国船舶重工集团公司第七0三研究所 | Diaphragm disc-tooth type combined coupling |
| CN111911545A (en) * | 2019-05-27 | 2020-11-10 | 中车大同电力机车有限公司 | Transmission mechanism and drive coupling |
| CN112780696A (en) * | 2021-01-07 | 2021-05-11 | 浙江佳仕豪科技有限公司 | Coupling with tooth structure and diaphragm structure |
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| CN86204662U (en) * | 1986-09-26 | 1987-07-29 | 上海第五钢铁厂 | Yielding coupling with two coupling parts |
| DE19709951A1 (en) * | 1996-03-12 | 1997-11-06 | Mayr Christian Gmbh & Co Kg | Torsionally rigid, flexural elastic shaft coupling |
| US5921866A (en) * | 1996-04-11 | 1999-07-13 | Atec-Weiss Gmbh & Co. | Elastic coupling with axial and angular movement |
| JPH11247882A (en) * | 1998-03-04 | 1999-09-14 | Natl Aerospace Lab | Rotary joint |
| CN201013784Y (en) * | 2007-03-28 | 2008-01-30 | 中国船舶重工集团公司第七○三研究所 | Film disk couplings with protection structure |
| CN201351690Y (en) * | 2009-01-23 | 2009-11-25 | 沈阳华科技贸有限责任公司 | Diaphragm disc coupler |
| CN104405784A (en) * | 2014-10-23 | 2015-03-11 | 哈尔滨东安发动机（集团）有限公司 | Diaphragm coupling |
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2015
- 2015-06-26 CN CN201510363843.2A patent/CN105041893A/en active Pending
Patent Citations (7)
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| CN86204662U (en) * | 1986-09-26 | 1987-07-29 | 上海第五钢铁厂 | Yielding coupling with two coupling parts |
| DE19709951A1 (en) * | 1996-03-12 | 1997-11-06 | Mayr Christian Gmbh & Co Kg | Torsionally rigid, flexural elastic shaft coupling |
| US5921866A (en) * | 1996-04-11 | 1999-07-13 | Atec-Weiss Gmbh & Co. | Elastic coupling with axial and angular movement |
| JPH11247882A (en) * | 1998-03-04 | 1999-09-14 | Natl Aerospace Lab | Rotary joint |
| CN201013784Y (en) * | 2007-03-28 | 2008-01-30 | 中国船舶重工集团公司第七○三研究所 | Film disk couplings with protection structure |
| CN201351690Y (en) * | 2009-01-23 | 2009-11-25 | 沈阳华科技贸有限责任公司 | Diaphragm disc coupler |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485196A (en) * | 2015-12-29 | 2016-04-13 | 武汉正通传动技术有限公司 | Torque limiter provided with gear friction plates |
| CN108071702A (en) * | 2016-11-15 | 2018-05-25 | 操纵技术Ip控股公司 | The adapter assembly of variable rigidity with bush assembly |
| CN108071702B (en) * | 2016-11-15 | 2021-03-26 | 操纵技术Ip控股公司 | Variable stiffness joint assembly with bushing assembly |
| CN107741327A (en) * | 2017-10-16 | 2018-02-27 | 宝沃汽车（中国）有限公司 | Vibration absorber and automotive engine test bench for engine |
| CN107741327B (en) * | 2017-10-16 | 2020-01-10 | 北汽福田汽车股份有限公司 | Vibration damping device for engine and engine test bench |
| CN108076889A (en) * | 2018-02-02 | 2018-05-29 | 新疆农业科学院农业机械化研究所 | A kind of all-hydraulic disc type fast pruning device |
| CN111911545A (en) * | 2019-05-27 | 2020-11-10 | 中车大同电力机车有限公司 | Transmission mechanism and drive coupling |
| CN110939662A (en) * | 2019-12-28 | 2020-03-31 | 中国船舶重工集团公司第七0三研究所 | Diaphragm disc-tooth type combined coupling |
| CN110939662B (en) * | 2019-12-28 | 2024-05-24 | 中国船舶重工集团公司第七0三研究所 | Membrane disc-tooth type combined coupling |
| CN112780696A (en) * | 2021-01-07 | 2021-05-11 | 浙江佳仕豪科技有限公司 | Coupling with tooth structure and diaphragm structure |
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Application publication date: 20151111 |