CN203836002U - Expansion-sleeve-type damping coupler - Google Patents
Expansion-sleeve-type damping coupler Download PDFInfo
- Publication number
- CN203836002U CN203836002U CN201420202780.3U CN201420202780U CN203836002U CN 203836002 U CN203836002 U CN 203836002U CN 201420202780 U CN201420202780 U CN 201420202780U CN 203836002 U CN203836002 U CN 203836002U
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- CN
- China
- Prior art keywords
- expansion sleeve
- soft
- type damping
- damping spring
- spring coupling
- 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.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 title claims abstract description 25
- 210000000078 claw Anatomy 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000000543 intermediate Substances 0.000 claims description 48
- 230000008878 coupling Effects 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 241001149930 Protura <class> Species 0.000 claims description 15
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Springs (AREA)
Abstract
The utility model provides an expansion-sleeve-type damping coupler. The expansion-sleeve-type damping coupler is provided with a left expansion sleeve, an elastic damping set and a right expansion sleeve, wherein the left expansion sleeve, the elastic damping set and the right expansion sleeve are sequentially arranged from left to right. Two or more metal claws are respectively stretched out of the inner end face of the left expansion sleeve and the inner end face of the right expansion sleeve in the axial direction and are evenly distributed in the circumferential directions of the inner ends faces. An axial gap is formed between every two adjacent metal claws. The elastic damping set comprises a hard middle body and two soft middle bodies. The two soft middle bodies are located on the two sides of the hard middle body. A plurality of soft grooves identical to the metal claws in shape are formed in the soft middle body in the circumferential direction and a plurality of hard grooves identical to the metal claws in shape are formed in the hard middle body in the circumferential direction. The metal claws on the end face of the left expansion sleeve and the metal claws on the end face of the right expansion sleeve are inserted into the grooves of the middle bodies respectively. The expansion-sleeve-type damping coupler has the advantages that the radial pressure on an installation shaft is reduced to the greatest extent through the design of the hard middle body and the two soft middle bodies, the damping effect is remarkable, and damage caused by resonance is effectively restrained.
Description
Technical field
The utility model belongs to coupling technical field, especially relates to a kind of expansion sleeve type damping spring coupling.
Background technique
Coupling is mainly used in the connection in mechanical transmission, is the major part in mechanical transmission.Play connection driving shaft and driven shaft to transmit the effect of motion and moment of torsion, compensation, due to foozle, is installed inclined to one side error, the bias that the variation of the rear distortion of carrying and temperature causes, drift angle, axial displacement.
The application number of patent documentation 1 is that CN201320035990.3 discloses a kind of plum blossom expansion sleeve type coupling, combined by two flanges cover 7 and two flange plate 8 and an elastomer 14, make this coupling there is the dual premium properties of expanded and blossom type coupling simultaneously.
The application number of patent documentation 2 is that CN201320034848.7 discloses the high rigid coupling of expansion sleeve type, redesign the tapering of intermediate and flange cover, its deformational stress producing by expansion sleeve in the time tightening pressurization bolt is more evenly distributed, can effectively hold mandrel transmission tightly, adopt the integral type design of innovation higher than traditional clamping type structural reliability, rigidity is better, more can avoid cracking or the infringement of any form to coupling because of locked-up stress.
Therefore, the expansion sleeve type coupling of prior art is transmitting when larger torque, the mode that coupling often adopts plum blossom lobe to connect, low precision and can not bear alternate load and impulsive load easily produces back clearance; Intermediate is designed to rigidity hardware, and the ability of absorption resonance can not suppress resonance; Torsional rigid is poor, and response time is long, effectively absorption resonance, bias, drift angle.
Summary of the invention
The purpose of this utility model is to provide a kind of inhibition resonance simple in structure, effective, reduces a kind of expansion sleeve type damping spring coupling of the radial pressure to installation shaft, is especially applicable to spindle, the coupling of lathe driving and haulage equipment.
The technical solution of the utility model is: a kind of expansion sleeve type damping spring coupling, comprise and be from left to right provided with successively left expansion sleeve, damped elasticity group and right expansion sleeve, a described left side, the interior edge face of right expansion sleeve in axial direction stretches out respectively plural metal claw, metal claw is uniformly distributed along end face circumferential position, between adjacent two metal claws, form axial clearance, described damped elasticity group comprises a rigid intermediate and two soft intermediates, and two soft intermediates are positioned at the both sides of rigid intermediate, on two soft intermediates, be along the circumferential direction provided with the multiple soft groove identical with metal claw shape, on rigid intermediate, be along the circumferential direction provided with the multiple rigid groove identical with metal claw shape, metal claw on described left expansion sleeve end face and the metal claw on right side are all inserted in the groove on intermediate.
Further, the interior edge face of described left and right expansion sleeve in axial direction stretches out 3 metal claws.
Further, described metal claw is hexahedron, its above and below is to lower recess, and left and right is depression to the inside, and forward and backward is plane, and is fixed on below on expansion sleeve interior edge face.
Further, the material of described intermediate is nitrile butadiene rubber.
Further, the ratio of the thickness of a described soft intermediate, rigid intermediate and another soft intermediate is 1:4:1.
Further, described expansion sleeve comprises flange cover, flange plate, described metal claw is positioned at the interior edge face of flange plate, the Yan Qi axle center, exterior edge face of flange plate is provided with conehead, described flange cover interior edge face is provided with the taper hole corresponding with conehead, the inner side surface of described flange plate is provided with counterbore, and the outer circumferential side of described flange cover is provided with the tapped hole corresponding with counterbore.
Further, described tapped hole and counterbore number are 3 pairs.
Further, the tapering of described conehead is 1/8-1/12.
Further, on described rigid intermediate, be divided into left half, right half, every part is along the circumferential direction respectively equipped with at least one rigid groove identical with metal claw shape, and the groove number of described every part is 3, and described soft groove penetrates two soft intermediates.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme,
The design of (1) rigid intermediate and two soft intermediate optimizations reduces the radial pressure to installation shaft to greatest extent, and damping is obvious, effectively suppresses the harm that resonance causes;
(2) expansion sleeve type damping spring coupling is realized similar maximum transmitting torque and height are replied, without back clearance, and effectively absorption resonance, bias, drift angle and enough bear alternate load and impulsive load, installation and removal are convenient, and the life-span is long;
(3) changing a rigid intermediate, two soft intermediates into by an elastomer is that what to adopt is that nitrile butadiene rubber is made, good springiness, and more wear-resisting, heat-resisting, the life-span is long;
(4) while use, driving shaft and driven shaft are stretched in the hole of coupling, by locking pressurization bolt, the conehead that makes flange cover promote flange plate moves, and the circle diameter of conehead is reduced gradually, and expansion sleeve is just held driving shaft and driven shaft tightly like this.
(5) make to produce pressure and frictional force between expansion sleeve and the conical surface of flange cover, realize load transfer, and possesses self-alignment, precision is high, speed is fast, can transmit larger moment of torsion and axial force, can bear alternate load and impulsive load, can bear larger torque with the less diameter of axle.
Brief description of the drawings
Fig. 1 is the coupler structure schematic diagram of background technique patent documentation 1.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is plan view of the present utility model.
Fig. 4 is intermediate structure schematic diagram of the present utility model.
Fig. 5 is expansion sleeve structural representation of the present utility model.
Fig. 6 is the time-domain diagram of the patent documentation 1 of background technique.
Fig. 7 is time-domain diagram of the present utility model.
In figure:
1, left expansion sleeve 2, right expansion sleeve 3, metal claw
4, rigid intermediate 5, soft intermediate 6, soft groove
7, flange cover 8, flange plate 9, conehead
10, taper hole 11, counterbore 12, tapped hole
13, bolt 14, elastomer 15, rigid groove
Embodiment
As Figure 1-5,
The technical solution of the utility model is: a kind of expansion sleeve type damping spring coupling, comprise and be from left to right provided with successively left expansion sleeve 1, damped elasticity group and right expansion sleeve 2, a described left side, the interior edge face of right expansion sleeve in axial direction stretches out respectively 3 metal claws 3, metal claw 3 is uniformly distributed along end face circumferential position, between adjacent two metal claws 3, form axial clearance, described metal claw 3 is hexahedron, on it, be to lower recess below, left, the right side is what cave in to the inside, before, be plane below, and be fixed on below on expansion sleeve interior edge face, described damped elasticity group comprises a rigid intermediate 4 and two soft intermediates 5, and two soft intermediates 5 are positioned at the both sides of rigid intermediate 4, a described soft intermediate 5, the ratio of the thickness of rigid intermediate 4 and another soft intermediate 5 is 1:4:1, on two soft intermediates 5, be along the circumferential direction provided with the multiple soft groove 6 identical with metal claw 3 shapes, on rigid intermediate 4, be along the circumferential direction provided with the multiple rigid groove 15 identical with metal claw 3 shapes, metal claw 3 on described left expansion sleeve 1 end face is inserted in the soft groove 6 of a soft intermediate 5, and be inserted in the rigid groove 15 of corresponding with it rigid intermediate 4 left halfs, metal claw 3 on right expansion sleeve 2 end faces is inserted in the soft groove 6 of another soft intermediate 5, and be inserted in the rigid groove 15 of corresponding with it rigid intermediate 4 right halfs,
Described expansion sleeve comprises flange cover 7, flange plate 8, described metal claw 3 is positioned at the interior edge face of flange plate 8, the Yan Qi axle center, exterior edge face of flange plate 8 is provided with conehead 9, the tapering of described conehead 9 is 1/8-1/12, described flange overlaps 7 interior edge faces and is provided with the taper hole corresponding with conehead 9 10, the inner side surface of described flange plate 8 is provided with 4 pairs of counterbores 11, the outer circumferential side of described flange cover 7 is provided with the tapped hole corresponding with counterbore 11 12, by locking pressurization bolt 13, the conehead 9 that makes flange cover 7 promote flange plate 8 moves, the circle diameter of conehead 9 is reduced gradually, so just can hold driving shaft and driven shaft tightly.
The working procedure of this example and working principle: first damped elasticity is assembled on left expansion sleeve 1, the metal claw 3 of left expansion sleeve 1 is inserted in the groove of damped elasticity group completely, now, the interior edge face of one end of damped elasticity group and left expansion sleeve 1 develops, again the metal claw of right expansion sleeve 23 is packed into the another side of damped elasticity group, the interior edge face of damped elasticity group and right expansion sleeve 3 is developed, the means of fixation that expanded damping spring coupling is connected with axle; By locking pressurization bolt 13, the circumference internal diameter of conehead 9 is reduced gradually, expansion sleeve is just held driving shaft and driven shaft tightly like this; Between the conical surface of flange cover 7, flange plate 8, produce pressure and frictional force, realize load transfer, and possess self-alignment, precision is high, and speed is fast, can transmit larger moment of torsion and axial force, can bear alternate load and impulsive load, can bear larger torque with the less diameter of axle.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (9)
1. an expansion sleeve type damping spring coupling, it is characterized in that comprising and be from left to right provided with successively left expansion sleeve, damped elasticity group and right expansion sleeve, a described left side, the interior edge face of right expansion sleeve in axial direction stretches out respectively plural metal claw, metal claw is uniformly distributed along end face circumferential position, between adjacent two metal claws, form axial clearance, described damped elasticity group comprises a rigid intermediate and two soft intermediates, and two soft intermediates are positioned at the both sides of rigid intermediate, on two soft intermediates, be along the circumferential direction provided with the multiple soft groove identical with metal claw shape, on rigid intermediate, be along the circumferential direction provided with the multiple rigid groove identical with metal claw shape, metal claw on described left expansion sleeve end face and the metal claw on right side are all inserted in the groove on intermediate.
2. a kind of expansion sleeve type damping spring coupling according to claim 1, is characterized in that: the interior edge face of described left and right expansion sleeve in axial direction stretches out 3 metal claws.
3. a kind of expansion sleeve type damping spring coupling according to claim 1 and 2, it is characterized in that: described metal claw is hexahedron, its above and below is to lower recess, and left and right is depression to the inside, forward and backward is plane, and is fixed on below on expansion sleeve interior edge face.
4. a kind of expansion sleeve type damping spring coupling according to claim 1, is characterized in that: the material of described intermediate is nitrile butadiene rubber.
5. according to a kind of expansion sleeve type damping spring coupling described in claim 1 or 4, it is characterized in that: the ratio of the thickness of a described soft intermediate, rigid intermediate and another soft intermediate is 1:4:1.
6. a kind of expansion sleeve type damping spring coupling according to claim 1, it is characterized in that: described expansion sleeve comprises flange cover, flange plate, described metal claw is positioned at the interior edge face of flange plate, the Yan Qi axle center, exterior edge face of flange plate is provided with conehead, described flange cover interior edge face is provided with the taper hole corresponding with conehead, the inner side surface of described flange plate is provided with counterbore, and the outer circumferential side of described flange cover is provided with the tapped hole corresponding with counterbore.
7. a kind of expansion sleeve type damping spring coupling according to claim 6, is characterized in that: described tapped hole and counterbore number are 3 pairs.
8. a kind of expansion sleeve type damping spring coupling according to claim 6, is characterized in that: the tapering of described conehead is 1/8-1/12.
9. a kind of expansion sleeve type damping spring coupling according to claim 1, it is characterized in that: on described rigid intermediate, be divided into left half, right half, every part is along the circumferential direction respectively equipped with at least one rigid groove identical with metal claw shape, the groove number of described every part is 3, and described soft groove penetrates two soft intermediates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202780.3U CN203836002U (en) | 2014-04-24 | 2014-04-24 | Expansion-sleeve-type damping coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202780.3U CN203836002U (en) | 2014-04-24 | 2014-04-24 | Expansion-sleeve-type damping coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836002U true CN203836002U (en) | 2014-09-17 |
Family
ID=51513849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202780.3U Expired - Lifetime CN203836002U (en) | 2014-04-24 | 2014-04-24 | Expansion-sleeve-type damping coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836002U (en) |
-
2014
- 2014-04-24 CN CN201420202780.3U patent/CN203836002U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200226 Address after: 301600 No. 23, No. 3 Road, North District, Jinghai Economic Development Zone, Tianjin Patentee after: TIANJIN LONGCHUANG HENGSHENG INDUSTRIAL Co.,Ltd. Address before: 300380 Tianjin city Xiqing District North Industrial Park (North Park) Xia Xi Road No. 3 Patentee before: TIANJIN LONGCHUANG RISHENG ELECTROMECHANICAL INDUSTRIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |