CN207378100U - A kind of Split flexible gear and gear pair - Google Patents
A kind of Split flexible gear and gear pair Download PDFInfo
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- CN207378100U CN207378100U CN201721210086.6U CN201721210086U CN207378100U CN 207378100 U CN207378100 U CN 207378100U CN 201721210086 U CN201721210086 U CN 201721210086U CN 207378100 U CN207378100 U CN 207378100U
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Abstract
The utility model provides a kind of Split flexible gear and gear pair, belongs to mechanical transmission fields.Split flexible gear includes gear ring, wheel hub and connector, and gear ring includes wheel rim, the gear teeth and former, removably connected by connector between wheel hub and former, and one of edgewise bend of former forms off-load cavity.Split flexible gear makes former have certain flexibility by using said structure.When gear engages stand under load, former being capable of stress deformation, reduce the engagement magnitude of misalignment of the gear teeth, so as to reduce the profiling quantity of design of gears, load is bigger, it is bigger to engage the magnitude of misalignment generated, the deflection of Split flexible gear is also bigger at this time, the gear engagement magnitude of misalignment that the deflection that former generates can reduce is also bigger, therefore the engagement magnitude of misalignment difference of each operating mode lower gear becomes smaller, magnitude of misalignment correction of the flank shape, which is engaged, by being directed to gear can ensure that the flank of tooth of meshing gear under each operating mode is all realized and carry, so as to improve the intensity of gear and reliability.
Description
Technical field
The utility model is related to mechanical transmission fields, in particular to a kind of Split flexible gear and gear pair.
Background technology
Gear is most common part in machine driving.The blank of heavy-duty gear is usually to forge gear, traditional structure
It can be seen that " China Machine Press 2007 the 4th edition《Mechanical design handbook gear drive (separate edition)》16-66 page tables 16.2-
The structure of 66 roller gears ", roller gear is monolithic construction in figure, i.e., gear and wheel hub are an entirety.Gear former or
Wheel hub former is generally Symmetrical vertical gear teeth structure, and traditional design and manufacture angle only consider the structural strength and technique of former
Property, the former of design is thicker, and former deflection is smaller after the gear stand under load of this structure, it is believed that is rigid.And gear exists
Engaged transmission during, each parts can all generate different degrees of flexible deformation, including the gear teeth, (tooth) axis, babinet,
The deformation of bearing.These deformation make meshed gears generate between each other engagement dislocation formed gear engagement unbalance loading, therefore in order to
Improve the strength of gear teeth and service life, it will usually which correction of the flank shape processing is carried out to gear.But there is two shortcomings for traditional correction of the flank shape processing：Its
One, if stand under load backgear engagement magnitude of misalignment is very big, then the profiling quantity of correction of the flank shape needed for gear can be bigger, at present gear modification
It is realized by roll flute, excessive grinding modification amount adds the roll flute time, easily forms grinding boss simultaneously in tooth root
And reduce tooth face hardness；Second, if the operating mode that gear uses is changeable, such as heavy-duty vehicle transmission gear is using including opening
The various workings such as dynamic, climbing, turning, straight trip, the engagement magnitude of misalignment difference of each operating mode gear is larger, and correction of the flank shape often can only pin
The magnitude of misalignment generated to one of which operating mode is designed, therefore cannot be guaranteed that each operating mode flank of tooth can be carried.
Utility model content
The purpose of this utility model is to provide a kind of Split flexible gear, former can occur under the action of load
Deformation so as to reduce the engagement magnitude of misalignment of the various operating mode gear teeth and magnitude of misalignment difference, reduces design of gears profiling quantity, ensures gear
The flank of tooth carries, and effectively improves intensity and the service life of gear.
The purpose of this utility model, which also resides in, provides a kind of gear pair, and at least one transmission gear in the gear pair uses
Above-mentioned Split flexible gear, has the advantages that Split flexible gear.
The utility model is realized in this way：
The embodiment of the utility model provides a kind of Split flexible gear, and the Split flexible gear includes tooth
Circle, wheel hub and connector, the gear ring include wheel rim, the gear teeth and former, and the wheel rim is annular shape, and the quantity of the gear teeth is
Multiple and along the circumferentially distributed in the outer surface of the wheel rim of the wheel rim, the former is arranged at the inside of the wheel rim, institute
It states wheel rim, the gear teeth and the former to be integrally formed, the wheel hub is coaxially disposed with the gear ring and the wheel hub is located at institute
The inside of gear ring is stated, is removably connected by the connector between the wheel hub and the former；With its of the gear ring
In straight line where diameter be reference line, one of plane where the reference line is first plane of reference, by described
The axis of wheel rim and the one of plane vertical with first plane of reference are second plane of reference, wherein, first reference
Face is vertical with the axis of the Split flexible gear, and each gear teeth are divided into equal length by first plane of reference
Two parts；Two sides of the former are respectively first side and second side, using second plane of reference as section, institute
Stating the section of first side includes the first camber line and the second camber line that seamlessly transit, and first camber line is compared with second arc
For line closer to the wheel rim, first camber line is located at the one side of first plane of reference, and the section of the second side is to cut
Upper thread, second camber line and the section line are respectively positioned on the opposite side of first plane of reference；From the wheel rim to described
On the direction of the axis of gear ring, the distance of first camber line to first plane of reference is gradually reduced, and second camber line arrives
First plane of reference apart from first increases and then decreases, the distance of the section line to first plane of reference is gradually reduced；Institute
It states first side and is bent to form off-load cavity.
Optionally, the minimum thickness of the former is a, and the facewidth of the gear teeth is b, wherein, 0.1b<a<0.2b.
Optionally, the section line includes the 3rd camber line that seamlessly transits and section straight line, the 3rd camber line compared with
The section straight line is tilted closer to the wheel rim, the section straight line compared with first plane of reference, from the wheel rim
Onto the direction of the axis of the gear ring, the distance of second camber line to first plane of reference first increases to maximum from 0
It is then reduced to 0.
Optionally, one of end face of the wheel rim and the corresponding end surface of the wheel hub shift to install, the wheel rim
Another end face and the corresponding end surface of the wheel hub shift to install.
Optionally, the connector includes bolt, and boss, the close wheel hub of the former are provided on the wheel hub
One end be provided with connecting portion, removably connected by the bolt between the boss and the connecting portion.
Optionally, the boss and the wheel hub form stopping table rank, and the seam allowance step has the first adjacent plane
And outer circumference surface, the connecting portion have adjacent the second plane and inner peripheral surface, first plane and second plane
Fitting, the outer circumference surface and inner peripheral surface fitting, what the boss was provided through first plane wears through hole,
The connecting portion is provided through the tapped through hole of second plane, the bolt through it is described wear through hole and with the spiral shell
Line through hole whorl connects.
Optionally, the connector further includes nut, and the one side away from second plane of the connecting portion is integrally set
The first locking piece is equipped with, the nut coordinates with the bolt, and the nut is wholely set close to the one side of the connecting portion
There is the second locking piece, first locking piece is round table-like, and the tapped through hole runs through first locking piece, first lock
It is parallel and misaligned with the axis of the tapped through hole to determine the axis of part, second locking piece is provided with accommodating chamber, and described
To be hollow round table-like, the axis of second locking piece overlaps the inner surface of two locking pieces with the axis of the nut, described
The outer surface of first locking piece is consistent compared with the angle of inclination of the bolt axis with the inner surface of second locking piece；Institute
When stating nut and being installed on the bolt, first locking piece stretches into the accommodating chamber and the outer surface of first locking piece
It pushes against in the inner surface of second locking piece；The one side corresponding with the nut of the connecting portion is provided with blind hole, described
Second locking piece is provided with lock slots close to the one side of the connecting portion, and the lock slots are set in a ring around the axis of the nut
It puts, the section of the lock slots is waveform, is provided in the blind hole and squeezes spring and ball, the ball is mobilizable to be set
It is placed in the blind hole, the extruding spring is respectively held against the blind hole and the ball and can the ball be pressed in institute
It states in lock slots.
Optionally, the spacing between the axis of first locking piece and the axis of the tapped through hole be c, the screw thread
The internal diameter of through hole is d, wherein, 0.05d<c<0.06d.
Optionally, the spiral shell spacing of the nut is e, and the spiral shell spacing of the bolt is d, wherein, d=1.02e.
The embodiment of the utility model additionally provides a kind of gear pair, and it is intermeshing that the gear pair includes at least two
Transmission gear, at least one transmission gear use above-mentioned Split flexible gear.
Compared with prior art, the beneficial effects of the utility model are：Split flexible gear by using said structure,
Former is made to have certain flexibility.When gear engages stand under load, former can stress deformation, reduce the engagement magnitude of misalignment of the gear teeth, from
And the profiling quantity of design of gears is reduced, since the deflection of Split flexible gear is related with operating loading size, i.e., load is got over
Greatly, engage that the magnitude of misalignment of generation is bigger, the deflection of Split flexible gear is also bigger at this time, and the deflection that former generates can
The gear engagement magnitude of misalignment of reduction is also bigger, therefore the engagement magnitude of misalignment difference of each operating mode lower gear becomes smaller, by being directed to tooth
Wheel engagement magnitude of misalignment correction of the flank shape can ensure that the flank of tooth of meshing gear under each operating mode is all realized and carry, so as to improve the intensity of gear and
Reliability.In addition, using split structure compared with monoblock type former gear, gear blank forging technology difficulty reduces, together
When wheel hub the material manufacture lower than gear ring price can be used, reduce cost.Gear pair using the Split flexible gear is same
Sample possesses above-mentioned advantage.
Wherein, " flexibility " in the application refers to that former has certain flexibility, i.e., former is under the action of external force is subject to
Certain deformation can occur, so that Split flexible gear has certain flexibility, the material of former may be employed now
There are the gear manufacture material in technology, such as steel, iron, stainless steel, aluminium alloy etc..
Description of the drawings
Fig. 1 is the structure diagram for the Split flexible gear that the utility model first embodiment provides；
Fig. 2 is the structure diagram of the gear ring of Fig. 1；
Fig. 3 is the structure diagram of the wheel hub of Fig. 1；
Fig. 4 is the structure diagram for the Split flexible gear that the utility model second embodiment provides；
Fig. 5 is the partial sectional view of Fig. 4；
Fig. 6 is the close-up schematic view of Fig. 5；
Fig. 7 is the close-up schematic view of Fig. 5.
Icon：10- Split flexible gears；11- gear rings；12- wheel hubs；13- connectors；110- wheel rims；The 111- gear teeth；
112- formers；113- off-load cavitys；114- connecting portions；The first locking pieces of 115-；120- boss；130- bolts；131- nuts；
The second locking pieces of 132-；133- lock slots；134- squeezes spring；135- balls.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description in the description of the utility model,
And it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
First embodiment：
It refer to shown in Fig. 1, the utility model first embodiment provides a kind of Split flexible gear 10, this is split type
Flexible gear 10 includes gear ring 11, wheel hub 12 and connector 13.
It refer to shown in Fig. 2, gear ring 11 includes wheel rim 110, the gear teeth 111 and former 112, wherein, wheel rim 110, the gear teeth 111
It is integrally formed with former 112, the modes such as pouring molding, forging molding may be employed and make.
Wheel rim 110 is annular shape, and wheel rim 110 can be ring seal structure, or non-close structure.
The quantity of the gear teeth 111 is multiple, and each gear teeth 111 extend along the axis direction of wheel rim 110, multiple gear teeth 111
Along the circumferentially distributed in the outer surface of wheel rim 110 of wheel rim 110.
Former 112 is arranged at the inside of wheel rim 110, and former 112 can be an entirety, can also be divided into multiple intervals
Part.
Refer to shown in Fig. 3, wheel hub 12 and gear ring 11 are coaxially disposed and wheel hub 12 is located at the inside of gear ring 11, wheel hub 12 and
It is removably connected by connector 13 between former 112.The structure of connector 13 is unlimited, such as buckle etc. may be employed,
In the present embodiment, connector 13 is bolt 130, is removably connected by bolt 130 between wheel hub 12 and former 112.
For convenience, it is clear, first it is defined as below：Using the straight line wherein where a diameter of gear ring 11 as reference
Line, one of plane where reference line are first plane of reference, by the axis of wheel rim 110 and vertical with first plane of reference
One of plane is second plane of reference, wherein, first plane of reference is vertical with the axis of Split flexible gear 10, each gear teeth
111 are divided into two parts of equal length by first plane of reference, and first plane of reference is it is also assumed that be the symmetrical of the gear teeth 111
Face.
For the relativeness between clearer description various pieces, illustrated below by section, wherein, with
Second plane of reference is section.
Two sides of former 112 are respectively first side and second side, and the section of first side includes seamlessly transitting
The first camber line and the second camber line, for the first camber line compared with the second camber line closer to wheel rim 110, the first camber line is located at the first reference
The one side in face, the second camber line are located at the opposite side of first plane of reference.
On the direction from wheel rim 110 to the axis of gear ring 11, the distance of the first camber line to first plane of reference is gradually reduced,
Second camber line to first plane of reference is apart from first increases and then decreases, in the present embodiment, the second camber line to first plane of reference away from
Maximum is increased to from 0 be then reduced to 0 from elder generation.
The section of second side is section line, and section line and the second camber line are located at the same side of first plane of reference, section line
Distance to first plane of reference is gradually reduced.
Wherein, section line includes the 3rd camber line that seamlessly transits and section straight line, the 3rd camber line compared with section straight line more
Close to wheel rim 110, section straight line is tilted compared with first plane of reference.
First side is bent to form off-load cavity 113.
In the present embodiment, the thickness of former 112 first becomes smaller becomes larger afterwards, wherein, the minimum thickness of former 112 is a, the gear teeth
111 facewidth is b, wherein, 0.1b<a<0.2b, optionally, a=0.11b, a=0.13b, a=0.15b, a=0.17b, a=
0.19b。
Optionally, one of end face of wheel rim 110 and the corresponding end surface of wheel hub 12 shift to install, and wheel rim 110 is in addition
One end face and the corresponding end surface of wheel hub 12 shift to install.
In the present embodiment, the connection mode between wheel hub 12 and former 112 may be employed but be not limited to following scheme：Wheel
Boss 120 is provided on hub 12, boss 120 is provided through the through hole that wears of the first plane, and boss 120 and the formation of wheel hub 12 stop
Mouth step, seam allowance step have adjacent the first plane and outer circumference surface.
One end of the close wheel hub 12 of former 112 is provided with connecting portion 114, and connecting portion 114 has the second adjacent plane
And inner peripheral surface, connecting portion 114 are provided through the tapped through hole of the second plane.
Wherein, the first plane is bonded with the second plane, and outer circumference surface and inner peripheral surface fitting, bolt 130 wears logical
It hole and is threadedly coupled with tapped through hole.
Split flexible gear 10 makes former 112 have certain flexibility by using said structure.Gear engages stand under load
When, former 112 can stress deformation, reduce the gear teeth 111 engagement magnitude of misalignment, so as to reduce the profiling quantity of design of gears, due to
The deflection of Split flexible gear 10 is related with operating loading size, i.e., load is bigger, and it is bigger to engage the magnitude of misalignment of generation, this
When split type flexible gear 10 deflection it is also bigger, former 112 generate deflection can reduce gear engagement magnitude of misalignment
Also it is bigger, therefore the engagement magnitude of misalignment difference of each operating mode lower gear becomes smaller, and can be protected by being directed to gear engagement magnitude of misalignment correction of the flank shape
The flank of tooth for demonstrate,proving meshing gear under each operating mode is all realized and carried, so as to improve the intensity of gear and reliability.
In addition, using split structure compared with 112 gear of monoblock type former, gear blank forging technology difficulty drop
It is low, while the material manufacture lower than 11 price of gear ring can be used in wheel hub 12, reduces cost.Using the Split flexible gear 10
Gear pair be likewise supplied with above-mentioned advantage.
Second embodiment：
It refer to shown in Fig. 4, the utility model second embodiment provides a kind of Split flexible gear 10, this is split type
Flexible gear 10 is being further improved of being done on the basis of first embodiment, unmentioned part in the present embodiment, can be with
With reference to first embodiment.It should be noted that it is in the first embodiment alternative, similary be used as can in the present embodiment
Select scheme.
Refer to shown in Fig. 5, the present embodiment and first embodiment difference lies in：Connector 13 further includes nut 131, spiral shell
Mother 131 coordinates with bolt 130.
It refer to shown in Fig. 6, Fig. 7, the one side away from the second plane of connecting portion 114 has been wholely set the first locking piece
115, the first locking piece 115 is round table-like, and tapped through hole runs through the first locking piece 115, the axis and screw thread of the first locking piece 115
The axis of through hole is parallel and misaligned.
The one side of the close connecting portion 114 of nut 131 has been wholely set the second locking piece 132, and the second locking piece 132 is set
There is accommodating chamber, the inner surface of the second locking piece 132 is hollow round table-like, the axis of the second locking piece 132 and the axis of nut 131
Line overlaps.
Wherein, the inner surface of the outer surface of the first locking piece 115 and the second locking piece 132 is compared with 130 axis of bolt
Angle of inclination is consistent, and when nut 131 is installed on bolt 130, the first locking piece 115 stretches into accommodating chamber and the first locking piece 115
Outer surface push against in the inner surface of the second locking piece 132.
Connecting portion 114 is provided with blind hole with 131 corresponding one side of nut, and the second locking piece 132 is close to connecting portion 114
One side is provided with lock slots 133, and lock slots 133 are set in a ring around the axis of nut 131, and the section of lock slots 133 is wave
Shape is provided in blind hole and squeezes spring 134 and ball 135, and ball 135 is mobilizable to be arranged in blind hole, squeezes spring 134 and divides
Blind hole and ball 135 are not propped up and ball 135 can be pressed in lock slots 133.
Using above-mentioned setting, it can effectively prevent nut 131 from being loosened with bolt 130, bolt 130 and tapped through hole, it is ensured that
Split flexible gear 10 works normally.
Spacing between the axis of first locking piece 115 and the axis of tapped through hole is c, and the internal diameter of tapped through hole is d,
In the present embodiment, 0.05d<c<0.06d, such as c=0.051d, c=0.053d, c=0.055d, c=0.057d, c=
0.059d etc..During using the data, anti-loosing effect is preferable.
The spiral shell spacing of nut 131 is e, and the spiral shell spacing of bolt 130 is d, in the present embodiment, d=1.02e.Nut 131 with
The spiral shell spacing of bolt 130 differs, after screw on nut 131 to certain position, due to the effect of spiral shell spacing so that 131 He of nut
The screw thread of bolt 130 mutually compresses, by substantial amounts of experimental analysis, using the locking of nut during d=1.02e 131 and bolt 130
Best results.Certainly, in other embodiments, d=e be also completely can with.
3rd embodiment：
The utility model first embodiment provides a kind of gear pair, and gear pair includes at least two intermeshing transmissions
Gear, at least one transmission gear use the Split flexible gear 10 of embodiment 1 or embodiment 2.In the present embodiment, gear
Secondary transmission gear is two, and one of transmission gear uses traditional gear structure, another transmission gear is using real
Apply the Split flexible gear 10 of example 1 or embodiment 2.
It should be noted that in the case where there is no conflict, the feature in embodiment in the utility model can be tied mutually
It closes.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Split flexible gear, which is characterized in that the Split flexible gear include gear ring (11), wheel hub (12) and
Connector (13), the gear ring (11) include wheel rim (110), the gear teeth (111) and former (112), and the wheel rim (110) is annulus
Shape, the quantity of the gear teeth (111) are multiple and along the circumferentially distributed appearance in the wheel rim (110) of the wheel rim (110)
Face, the former (112) are arranged at the inside of the wheel rim (110), the wheel rim (110), the gear teeth (111) and the width
Plate (112) is integrally formed, and the wheel hub (12) is coaxially disposed with the gear ring (11) and the wheel hub (12) is located at the gear ring
(11) inside is removably connected between the wheel hub (12) and the former (112) by the connector (13)；With institute
The straight line wherein where a diameter for stating gear ring (11) is reference line, and one of plane where the reference line is the first ginseng
Face is examined, is second plane of reference by the axis of the wheel rim (110) and the one of plane vertical with first plane of reference,
Wherein, first plane of reference is vertical with the axis of the Split flexible gear, and each gear teeth (111) are by described the
One plane of reference is divided into two parts of equal length；Two sides of the former (112) are respectively first side and the second side
Face, using second plane of reference as section, the section of the first side includes the first camber line and the second camber line that seamlessly transit,
For first camber line compared with second camber line closer to the wheel rim (110), first camber line is located at the described first ginseng
The one side in face is examined, the section of the second side is section line, and second camber line and the section line are respectively positioned on described first
The opposite side of the plane of reference；On the direction from the wheel rim (110) to the axis of the gear ring (11), first camber line to institute
The distance for stating first plane of reference is gradually reduced, and second camber line is to first plane of reference apart from first increases and then decreases, institute
The distance for stating section line to first plane of reference is gradually reduced；The first side is bent to form off-load cavity (113).
2. Split flexible gear according to claim 1, which is characterized in that the minimum thickness of the former (112) is
A, the facewidth of the gear teeth (111) is b, wherein, 0.1b<a<0.2b.
3. Split flexible gear according to claim 2, which is characterized in that the section line includes seamlessly transit the
Three camber lines and section straight line, for the 3rd camber line compared with the section straight line closer to the wheel rim (110), the section is straight
Line is tilted compared with first plane of reference, described on the direction from the wheel rim (110) to the axis of the gear ring (11)
The distance elder generation of second camber line to first plane of reference increases to maximum from 0 and is then reduced to 0.
4. Split flexible gear according to claim 3, which is characterized in that one of end of the wheel rim (110)
The corresponding end surface in face and the wheel hub (12) shifts to install, another end face and the wheel hub (12) of the wheel rim (110)
Corresponding end surface shift to install.
5. Split flexible gear according to claim 1, which is characterized in that the connector (13) includes bolt
(130), boss (120) is provided on the wheel hub (12), the former (112) is set close to one end of the wheel hub (12)
There is connecting portion (114), removably connected by the bolt (130) between the boss (120) and the connecting portion (114)
It connects.
6. Split flexible gear according to claim 5, which is characterized in that the boss (120) and the wheel hub
(12) seam allowance step is formed, the seam allowance step has adjacent the first plane and outer circumference surface, and the connecting portion (114) has
The second adjacent plane and inner peripheral surface, first plane are bonded with second plane, the outer circumference surface and described interior
Periphery is bonded, and the boss (120) is provided through the through hole that wears of first plane, and the connecting portion (114) is set
Have a tapped through hole through second plane, the bolt (130) through it is described wear through hole and with the tapped through hole spiral shell
Line connects.
7. Split flexible gear according to claim 6, which is characterized in that the connector (13) further includes nut
(131), the one side away from second plane of the connecting portion (114) has been wholely set the first locking piece (115), the spiral shell
Female (131) coordinate with the bolt (130), and the nut (131) has been wholely set close to the one side of the connecting portion (114)
Second locking piece (132), first locking piece (115) are round table-like, and the tapped through hole runs through first locking piece
(115), the axis of first locking piece (115) is parallel and misaligned with the axis of the tapped through hole, second locking
Part (132) is provided with accommodating chamber, and the inner surface of second locking piece (132) is hollow round table-like, second locking piece
(132) axis is overlapped with the axis of the nut (131), the outer surface of first locking piece (115) and the described second lock
The inner surface for determining part (132) is consistent compared with the angle of inclination of the bolt (130) axis；The nut (131) is installed on institute
When stating bolt (130), first locking piece (115) stretches into the accommodating chamber and the appearance of first locking piece (115)
Face is pushed against in the inner surface of second locking piece (132)；The connecting portion (114) with the nut (131) corresponding one
Side is provided with blind hole, and second locking piece (132) is provided with lock slots (133), institute close to the one side of the connecting portion (114)
The axis that lock slots (133) are stated around the nut (131) is set in a ring, and the sections of the lock slots (133) is waveform, institute
It states to be provided in blind hole and squeezes spring (134) and ball (135), the ball (135) is mobilizable to be arranged in the blind hole,
The extruding spring (134) is respectively held against the blind hole and the ball (135) and can the ball (135) be pressed in institute
It states in lock slots (133).
8. Split flexible gear according to claim 7, which is characterized in that the axis of first locking piece (115)
Spacing between the axis of the tapped through hole is c, and the internal diameter of the tapped through hole is d, wherein, 0.05d<c<0.06d.
9. Split flexible gear according to claim 7, which is characterized in that the spiral shell spacing of the nut (131) is e,
The spiral shell spacing of the bolt (130) is d, wherein, d=1.02e.
10. a kind of gear pair, which is characterized in that the gear pair include at least two intermeshing transmission gears, at least one
A transmission gear uses Split flexible gear as described in any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721210086.6U CN207378100U (en) | 2017-09-19 | 2017-09-19 | A kind of Split flexible gear and gear pair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721210086.6U CN207378100U (en) | 2017-09-19 | 2017-09-19 | A kind of Split flexible gear and gear pair |
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| CN207378100U true CN207378100U (en) | 2018-05-18 |
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| CN201721210086.6U Withdrawn - After Issue CN207378100U (en) | 2017-09-19 | 2017-09-19 | A kind of Split flexible gear and gear pair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366736A (en) * | 2017-09-19 | 2017-11-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of Split flexible gear and gear pair |
-
2017
- 2017-09-19 CN CN201721210086.6U patent/CN207378100U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366736A (en) * | 2017-09-19 | 2017-11-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of Split flexible gear and gear pair |
| CN107366736B (en) * | 2017-09-19 | 2023-12-05 | 中车戚墅堰机车车辆工艺研究所有限公司 | Split type flexible gear and gear pair |
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