CN204493487U - A kind of guiding torsion coupling - Google Patents
A kind of guiding torsion coupling Download PDFInfo
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- CN204493487U CN204493487U CN201520008543.8U CN201520008543U CN204493487U CN 204493487 U CN204493487 U CN 204493487U CN 201520008543 U CN201520008543 U CN 201520008543U CN 204493487 U CN204493487 U CN 204493487U
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Abstract
The utility model relates to a kind of guiding torsion coupling, described guiding torsion coupling comprises interior three-jaw plum blossom body, outer three-jaw plum blossom body, outer guide sleeve, interior centration axis, hollow shaft and ladder send out orchid, fluorine rubber plum blossom body, the described interior external diameter of three-jaw plum blossom body and the internal diameter interference fit of outer guide sleeve, overall structure is connected to form through spot welding, described outer three-jaw plum blossom body is connected with one end of hollow shaft, the other end of described hollow shaft is welded with ladder flange, three-jaw plum blossom body endoporus center arranges interior centration axis outside, described interior centration axis is connected with hollow shaft interference fit, described fluorine rubber plum blossom body is engaged between interior three-jaw plum blossom body and outer three-jaw plum blossom body.Outer guide sleeve obvolvent in this technological scheme forms an entirety in interior three-jaw plum blossom body, control circular runout and coaxality, without resonance, can effective carry-over moment, fundamentally solve the technical barrier of rigid impulse, and also can ensure the coupling system of reliable delivery moment of torsion in the environment having cooling water.
Description
Technical field
The utility model relates to a kind of coupling, is specifically related to a kind of guiding torsion coupling, belongs to mechanical part technical field.
Background technique
Current hot strip plant 1780 produces wire reel-up machine front roller-way roller and is individually driven by motor, connect coupling many employings crossed universal shaft coupling of motor and roller, generally crossed universal shaft coupling or drum-type gear coupling is all adopted to carry out transmission of power connection more than the connection of 300mm, but these coupling are limited to the malalignment compensation ability being connected diaxon, mechanical abrasion during rotation, rigid impulse easily make coupling damage, and crossed universal shaft coupling and drum-type gear coupling manufacture cost higher, need intermittent oiling to safeguard.Especially a large amount of water cooling is needed when machine front roller-way and the steel rolling of pinch roller region, coupling bearing and spline fitted place grease often cooled water rinse and emulsification, cause and rotating without under oil condition, thus make bearing and spline pair serious wear, Coupling Life about three months.
Through retrieval, the Chinese patent that name is called " torsional spring autmatic brake coupling device ", the patent No. is CN200420020844 has openly applied for torsional spring autmatic brake coupling device, this device efficiently solves the problem of solid of rotation moment clockwise and anticlockwise by torsion spring, its shortcoming can produce shake when carry-over moment is large, in addition because laying particular stress on of torsion spring easily causes resonance effect when rotated; In addition in prior art due to coupler structure more complicated, damping effect is poor, and this becomes the technical problem that those skilled in the art want to overcome always.
Summary of the invention
In order to solve above-mentioned Problems existing, the utility model discloses a kind of guiding torsion coupling, this Technical Design is ingenious, safe and reliable, structure is simple, easy to use, cost is lower, outer guide sleeve obvolvent in this technological scheme forms an entirety in interior three-jaw plum blossom body, control circular runout and coaxality, without resonance, can effective carry-over moment, rely on the chemically bulked elastic buffer means of fluorine rubber plum blossom body, fundamentally solve the technical barrier of rigid impulse, and also can ensure the coupling system of reliable delivery moment of torsion in the environment having cooling water.
To achieve these goals, the technical solution of the utility model is as follows, a kind of guiding torsion coupling, it is characterized in that, described guiding torsion coupling comprises interior three-jaw plum blossom body, outer three-jaw plum blossom body, outer guide sleeve, interior centration axis, hollow shaft and ladder send out orchid, fluorine rubber plum blossom body, the described interior external diameter of three-jaw plum blossom body and the internal diameter interference fit of outer guide sleeve, overall structure is connected to form through spot welding, described outer three-jaw plum blossom body is connected with one end of hollow shaft, the other end of described hollow shaft is welded with ladder flange, three-jaw plum blossom body endoporus center arranges interior centration axis outside, described interior centration axis is connected with hollow shaft interference fit, described fluorine rubber plum blossom body is engaged between interior three-jaw plum blossom body and outer three-jaw plum blossom body.Described interior three-jaw plum blossom body is the six cylindrical cylndrical surface of decile three-jaw, six circular arc cover shapes namely, and be connected with outer guide sleeve, outer guide sleeve obvolvent forms an entirety in interior three-jaw plum blossom body, can control radial coaxality; Described interior centration axis is the cylindrical inner cylindrical surface of six decile three-jaws, i.e. outer six circular arc cover shapes, be connected to outer three-jaw plum blossom body endoporus center with outer three-jaw plum blossom body, circle center is centration axis in wedge shape guiding, carrys out transmitting torque through the inside and outside six circular arc covers of the staggered engagement of fluorine rubber plum blossom body; Described hollow shaft connects centration axis axle system and ladder in outer three-jaw plum blossom body respectively through welding and sends out orchid; When the grease of excretion enters in fluorine rubber plum blossom body inclusion chamber, reduce the wearing and tearing in friction on the one hand, in particular improve the pliable and tough of rigidity and anti abrasive performance, delay the working life of guiding moment coupling; On the other hand can be expanded after fluorine rubber plum blossom body contact grease, improve elasticity during buffering, extend the working life of fluorine rubber plum blossom body, well can make up the malalignment of diaxon.
Improve as one of the present utility model, the center of described interior centration axis is provided with the grease drain boles of φ 3.5mm, and interior centration axis one end is guide way, and the other end is cylindrical weld centering pilot body.Described hollow shaft internal diameter is provided with left-handed boss guidance tape helix, and the lead of helix is 60mm, and the rear end plug of helix is closed, and forms the seal area that grease stores; Described hollow shaft and ladder are sent out the blue root 10mm place be connected and are provided with pouring orifice, control leaking of grease through one-way valve plug.Helix is had to lead in described hollow shaft, there is lubricant grease pouring orifice outward, automatically grease is drained grease automatically through outer three-jaw plum blossom body spindle center oilhole decided at the higher level but not officially announced when working and running and rotate through centrifugal, ensure enough lubrications, grease enters in fluorine rubber plum blossom body inclusion chamber and can reduce wear, improve the pliable and tough wearability of rigidity, delay the working life of guiding moment coupling, in addition can be expanded after fluorine rubber plum blossom body contact grease, improve buffer capacity, well can make up the malalignment of diaxon.This guiding moment coupling is common to 300mm ~ below 1000mm diaxon connecting length, tubular construction roller footpath at 100 ~ 550mm, the scope of steel entity structure roller footpath 100 ~ 450mm.
Improve as one of the present utility model, wherein, the end face of three-jaw plum blossom body is processed with concavo-convex of radial and axial cooperation, and concavo-convex all adopts radial and axial two-way interference fit, have bolt interior threaded hole, be connected with motor flange at raised head face.Strengthen end-face friction, decrease bolted radial shear power simultaneously.
Relative to prior art, advantage of the present utility model is as follows, and 1) whole technological scheme reasonable in design, easy to operate; 2) can be expanded after the fluorine rubber plum blossom body contact grease described in this technological scheme, improve buffer capacity, well can make up the malalignment of diaxon, reduce centering requirement, simplify shafting alignment technique; 3) this technological scheme rigid impulse of fundamentally solving positive and negative rotation and the problem that easily causes coupling to lose efficacy under the environment having cooling water; 4) this technological scheme on-line maintenance is more convenient with replacing, and cost of production is low, and cushioning ability is strong, and comprehensive compensation performance is good; Facts have proved, after the coupling device of the present embodiment is tested and come into operation 18 months, respond well, be particularly suitable for the place that on-the-spot water smoke is larger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure:
Three-jaw plum blossom body in 1-, 2-outer guide sleeve, the outer three-jaw plum blossom body of 3-, 4-hollow shaft, 5-ladder sends out orchid, 6-pouring orifice,
7-one-way valve plug, 8-plug, 9-bolt hole, 10-helix, centration axis in 11-, 12-fluorine rubber plum blossom body, 13
-bolt interior threaded hole, 14-grease drain boles.
Embodiment
In order to deepen, to understanding of the present utility model and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the utility model further.
embodiment 1:
See Fig. 1, a kind of guiding torsion coupling, described guiding torsion coupling comprises interior three-jaw plum blossom body 1, outer three-jaw plum blossom body 3, outer guide sleeve 2, interior centration axis 11, hollow shaft 4 and ladder send out blue 5, fluorine rubber plum blossom body 12, the described interior external diameter of three-jaw plum blossom body 1 and the internal diameter interference fit of outer guide sleeve 2, overall structure is connected to form through spot welding, described outer three-jaw plum blossom body 3 is connected with one end of hollow shaft 4, the other end of described hollow shaft is welded with ladder flange 5, three-jaw plum blossom body 3 endoporus center arranges interior centration axis 11 outside, described interior centration axis 11 is connected with hollow shaft 4 interference fit, described fluorine rubber plum blossom body 12 is engaged between interior three-jaw plum blossom body 1 and outer three-jaw plum blossom body 3.Described interior three-jaw plum blossom body is the six cylindrical cylndrical surface of decile three-jaw, six circular arc cover shapes namely, and be connected with outer guide sleeve, outer guide sleeve obvolvent forms an entirety in interior three-jaw plum blossom body, can control radial coaxality; Described interior centration axis is the cylindrical inner cylindrical surface of six decile three-jaws, i.e. outer six circular arc cover shapes, be connected to outer three-jaw plum blossom body endoporus center with outer three-jaw plum blossom body, circle center is centration axis in wedge shape guiding, carrys out transmitting torque through the inside and outside six circular arc covers of the staggered engagement of fluorine rubber plum blossom body; Described hollow shaft connects centration axis axle system and ladder in outer three-jaw plum blossom body respectively through welding and sends out orchid; When the grease of excretion enters in fluorine rubber plum blossom body inclusion chamber, reduce the wearing and tearing in friction on the one hand, in particular improve the pliable and tough of rigidity and anti abrasive performance, delay the working life of guiding moment coupling; On the other hand can be expanded after fluorine rubber plum blossom body contact grease, improve elasticity during buffering, extend the working life of fluorine rubber plum blossom body, well can make up the malalignment of diaxon.
embodiment 2:
See Fig. 1, improve as one of the present utility model, the center of described interior centration axis 11 is provided with the grease drain boles 14 of φ 3.5mm, and interior centration axis 11 one end is guide way, and the other end is cylindrical weld centering pilot body.Described hollow shaft 4 internal diameter is provided with left-handed boss guidance tape helix 10, and helix 10 helical pitch is 60mm, and the rear end of helix 10 is closed with plug 8, forms the seal area that grease stores; Described hollow shaft 4 and ladder are sent out the blue 5 root 10mm places be connected and are provided with pouring orifice 6, control leaking of grease through one-way valve plug 7.Helix is had to lead in described hollow shaft, there is lubricant grease pouring orifice outward, automatically grease is drained grease automatically through outer three-jaw plum blossom body spindle center oilhole decided at the higher level but not officially announced when working and running and rotate through centrifugal, ensure enough lubrications, grease enters in fluorine rubber plum blossom body inclusion chamber and can reduce wear, improve the pliable and tough wearability of rigidity, delay the working life of guiding moment coupling, in addition can be expanded after fluorine rubber plum blossom body contact grease, improve buffer capacity, well can make up the malalignment of diaxon.This guiding moment coupling is common to 300mm ~ below 1000mm diaxon connecting length, tubular construction roller footpath at 100 ~ 550mm, the scope of steel entity structure roller footpath 100 ~ 450mm.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:
See Fig. 1, improve as one of the present utility model, wherein, the end face of three-jaw plum blossom body 1 is processed with concavo-convex of radial and axial cooperation, and concavo-convex all adopts radial and axial two-way interference fit, there is bolt interior threaded hole 13 at raised head face, be connected with motor flange.Strengthen end-face friction, decrease bolted radial shear power simultaneously.All the other structures are identical with embodiment 1 with advantage.
Working principle:
See accompanying drawing 1, and three-jaw plum blossom body 1, outer three-jaw plum blossom body 3, outer guide sleeve 2, interior centration axis 6, hollow shaft 4 and ladder in conventional technique and machining process processing can be adopted to send out blue 5 by design shown in figure, purchase fluorine rubber plum blossom body 12, wherein the end face of interior three-jaw plum blossom body 1 is processed with concavo-convex of radial and axial cooperation, concavo-convex all adopts radial and axial two-way interference fit, strengthen end-face friction, decrease bolted radial shear power simultaneously, there is bolt interior threaded hole 13 at raised head face, be connected with motor flange.The interior external diameter of three-jaw plum blossom body 1 and the internal diameter interference fit of outer guide sleeve 2, be connected to form overall structure through spot welding.Outer three-jaw plum blossom body 3 is connected with hollow shaft 4, and there is interior centration axis 11 at three-jaw plum blossom body 3 endoporus center outside, and interference fit connects.Be processed with the grease drain boles 14 of φ 3.5mm at the center of interior centration axis 11, interior centration axis 11 one end is guide way, and the other end is cylindrical weld centering pilot body.Hollow shaft 4 one end and interior centration axis 11 interference fit are through reinforcement of weld, and hollow shaft 4 the other end and ladder send out blue 5 through reinforcement of weld, and sending out the blue 5 root 10mm positions be connected at hollow shaft 4 and ladder has a pouring orifice 6, controls leaking of grease through one-way valve plug 7.Hollow shaft 4 internal diameter is processed with left-handed 6 × 4 boss guidance tape helixes 10, and helical pitch is close with plug 8 after helix 10 completion of processing of 60mm, forms the seal area that grease stores.After High Rotation Speed under the influence of centrifugal force, helix 10 guidance tape promotion grease is drained through grease drain boles 14.Fluorine rubber plum blossom body 12 is engaged between interior three-jaw plum blossom body 1 and outer three-jaw plum blossom body 3, when the grease of excretion enters in fluorine rubber plum blossom body inclusion chamber, reduce the wearing and tearing in friction on the one hand, in particular improve the pliable and tough of rigidity and anti abrasive performance, delay the working life of guiding moment coupling; On the other hand can be expanded after fluorine rubber plum blossom body contact grease, improve elasticity during buffering, extend the working life of fluorine rubber plum blossom body, well can make up the malalignment of diaxon.Ladder is sent out blue 5 and is connected through bolt hole 9 bolt the transmission reaching braking torque with roller system; The large I of wall thickness of hollow shaft 4 sets according to transmitted torque, distance between shafts.
At least one in technical characteristics described in embodiment 2,3 and embodiment 1 can also be combined into new mode of execution by the utility model.
It should be noted that above-described embodiment is only preferred embodiment of the present utility model, be not used for limiting protection domain of the present utility model, protection domain of the present utility model is as the criterion with claims.
Claims (5)
1. a guiding torsion coupling, it is characterized in that, described guiding torsion coupling comprises interior three-jaw plum blossom body, outer three-jaw plum blossom body, outer guide sleeve, interior centration axis, hollow shaft and ladder send out orchid, fluorine rubber plum blossom body, the described interior external diameter of three-jaw plum blossom body and the internal diameter interference fit of outer guide sleeve, overall structure is connected to form through spot welding, described outer three-jaw plum blossom body is connected with one end of hollow shaft, the other end of described hollow shaft is welded with ladder flange, three-jaw plum blossom body endoporus center arranges interior centration axis outside, described interior centration axis is connected with hollow shaft interference fit, described fluorine rubber plum blossom body is engaged between interior three-jaw plum blossom body and outer three-jaw plum blossom body.
2. guiding torsion coupling according to claim 1, is characterized in that, the center of described interior centration axis is provided with the grease drain boles of φ 3.5mm, and interior centration axis one end is guide way, and the other end is cylindrical weld centering pilot body.
3. guiding torsion coupling according to claim 2, is characterized in that, described hollow shaft and ladder are sent out the blue root 10mm place be connected and be provided with pouring orifice, control leaking of grease through one-way valve plug.
4. guiding torsion coupling according to claim 3, is characterized in that, described hollow shaft internal diameter is provided with left-handed boss guidance tape helix, and the lead of helix is 60mm, and the rear end plug of helix is closed, and forms the seal area that grease stores.
5. guiding torsion coupling according to claim 4, it is characterized in that, wherein, the end face of three-jaw plum blossom body is processed with concavo-convex of radial and axial cooperation, and concavo-convex all adopts radial and axial two-way interference fit, there is bolt interior threaded hole at raised head face, be connected with motor flange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008543.8U CN204493487U (en) | 2015-01-07 | 2015-01-07 | A kind of guiding torsion coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008543.8U CN204493487U (en) | 2015-01-07 | 2015-01-07 | A kind of guiding torsion coupling |
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| CN204493487U true CN204493487U (en) | 2015-07-22 |
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| CN201520008543.8U Active CN204493487U (en) | 2015-01-07 | 2015-01-07 | A kind of guiding torsion coupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865445A (en) * | 2021-02-07 | 2021-05-28 | 徐州徐工矿业机械有限公司 | Disassembling and assembling method for power transmission device connecting motor and transfer case |
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2015
- 2015-01-07 CN CN201520008543.8U patent/CN204493487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865445A (en) * | 2021-02-07 | 2021-05-28 | 徐州徐工矿业机械有限公司 | Disassembling and assembling method for power transmission device connecting motor and transfer case |
| CN112865445B (en) * | 2021-02-07 | 2022-02-15 | 徐州徐工矿业机械有限公司 | Disassembling and assembling method for power transmission device connecting motor and transfer case |
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