CN110374989A - A kind of double wave line speed reduction bearing of high-bearing capacity - Google Patents
A kind of double wave line speed reduction bearing of high-bearing capacity Download PDFInfo
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- CN110374989A CN110374989A CN201910759698.8A CN201910759698A CN110374989A CN 110374989 A CN110374989 A CN 110374989A CN 201910759698 A CN201910759698 A CN 201910759698A CN 110374989 A CN110374989 A CN 110374989A
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 6
- 238000009837 dry grinding Methods 0.000 claims 1
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- 230000005540 biological transmission Effects 0.000 abstract description 16
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
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Abstract
The invention discloses a kind of double wave line speed reduction bearing of high-bearing capacity, including input shaft, the input shaft includes the first mounting portion, eccentric part and the second mounting portion；The peripheral movable sleeve of first mounting portion is equipped with first shell；The first shell forms recessing groove, and the peripheral movable sleeve of the eccentric part is equipped with drive disk, and the drive disk is located in recessing groove；Roller mechanism is equipped between the drive disk and recessing groove；Several first roller slots are distributed in the drive disk, and several second roller slots are distributed in the recessing groove, and the roller mechanism includes the roller that several are correspondingly arranged between the first roller slot and the second roller slot；The peripheral movable sleeve of second mounting portion is equipped with second shell, and second shell forms hypocycloid slot, and the drive disk forms epicycloid groove, several balls are distributed between the hypocycloid slot and epicycloid groove；The present invention is intended to provide a kind of bearing capacity is high, deterioration is small, the double wave line speed reduction bearing of stable transmission and flexible high-bearing capacity.
Description
Technical field
The present invention relates to speed reduction bearing field more particularly to a kind of double wave line speed reduction bearings of high-bearing capacity.
Background technique
In mechanical equipment production process, needs to be adjusted by rotation speed ratio of the retarder to two-stage, higher level is set
Standby high-speed rotation is slowed down, to obtain biggish torque.Existing speed reduction bearing is generally by the way of gear engagement
It is driven, decelerating effect is realized by the tooth difference generated between gear and gear.
Biggish abrasion is generated during transmission, between gear and gear, frictional resistance is larger, bearing capacity compared with
Difference, vibration and noise are larger.When carrying out axial transmission, gear-driven mode is easy to produce dislocation, causes to rotate inflexible
Situation, can stuck bearing when serious.For part speed reduction bearing using ball as driving member, the transmission of ball is point contact type,
In transmission process, bearing capacity is poor, while being also prone to wear, and when ball is lost to a certain degree, equally be easy to cause rotation
Inflexible situation.
Summary of the invention
It is an object of the invention to propose that a kind of bearing capacity is high, deterioration is small, and stable transmission has simultaneously with flexibly
The double wave line speed reduction bearing of the high-bearing capacity of a variety of way of outputs.
To achieve this purpose, the present invention adopts the following technical scheme: a kind of double wave line speed reduction bearing of high-bearing capacity, including it is defeated
Enter axis, the input shaft includes the first mounting portion, eccentric part and the second mounting portion sequentially connected along axial direction；First installation
The peripheral movable sleeve in portion is equipped with first shell, and one end close to the eccentric part of the first shell extends to the eccentric part
Periphery；The recessing groove that annular is formed in the middle part of one end of the eccentric part of the first shell, the eccentric part
Peripheral movable sleeve be equipped with drive disk, the drive disk is located in the recessing groove, and the eccentric part drive drive disk exists
Eccentric motion is done in the recessing groove；One end of the close first shell of the drive disk and the inner face of the recessing groove
Between be equipped with roller mechanism；Several first roller slots are distributed in one end close to the first shell of the drive disk, described
Several and one-to-one second roller slot of first roller slot is distributed in the inner face of recessing groove, and the roller mechanism includes
Several are correspondingly arranged at the roller between first roller slot and second roller slot；First roller slot is the first circle
Shape counterbore, the diameter of first circular counter bore are greater than the diameter of the roller；Second roller slot is the second circular counter bore, should
The diameter of second circular counter bore is greater than the diameter of the roller；The depth of first circular counter bore and second circular counter bore
The sum of depth be less than the height of the roller；The peripheral movable sleeve of second mounting portion be equipped with second shell, described second
One end opposite with the drive disk of shell forms hypocycloid slot, one opposite with the second shell of the drive disk
End forms epicycloid groove, and the wave number of the hypocycloid slot is greater than the wave number of the epicycloid groove, the hypocycloid slot and described
Several balls are distributed between epicycloid groove；The peripheral movable sleeve of the second shell is equipped with connection shell, the connection shell and the
One shell is fixedly connected.
Preferably, the hypocycloid slot includes several towards curved first arc groove in the inside of the second shell, if
Dry first arc groove circumferentially sequentially connects into ring-shaped from beginning to end, and the inner bottom surface of first arc groove is arc groove
Structure；The epicycloid groove includes several towards curved second arc groove in the outside of the drive disk, several described second
Arc groove circumferentially sequentially connects into ring-shaped from beginning to end, and the inner bottom surface of second arc groove is curved groove structure；Described
The number of one arc groove is greater than the number of second arc groove.
Preferably, the number of first arc groove is N+2, and the number of second arc groove is N, of the ball
Number is N+1, and N is the integer greater than zero.
Preferably, the connection shell includes first annular shell and the second annular outer cover, the first annular shell and
Second ring shell is sequentially connected along the axial direction of the first shell, the first annular shell and second annular outer cover activity
It is set in the periphery of the second shell, between the first annular shell, second annular outer cover and the second shell
Holding tank equipped with annular, the holding tank is interior to be equipped with crossed roller mechanism.
Preferably, the outer wall of the second shell circumferentially arranged with annular the first mounting groove, first mounting groove
Radial section is L-type structure, and right angle one end of the L-type structure is towards the middle part of the second shell；The first annular shell
Inner face circumferentially arranged with first annular notch, the first annular notch is towards second annular outer cover；Described second
The inner face of annular outer cover is circumferentially arranged with the second annular notch, and the described second annular notch is towards the first annular shell；
The radial section of the first annular notch and the radial section of the described second annular notch are perpendicular；The holding tank is by first
The annular notch of mounting groove, first annular notch and second cooperatively forms, and the radial section of the holding tank is rectangular configuration.
Preferably, the crossed roller mechanism includes the first roller, the second roller, stop collar and limit hole, the limit
Hole is provided with multiple and is uniformly distributed circumferentially side wall in the stop collar；The stop collar is set in the outer of the first mounting groove
It encloses, the limit hole is located at the middle part of the holding tank；First roller is provided with multiple, and second roller is provided with more
A, multiple first rollers and multiple second rollers are staggered in multiple limit holes, first roller
Central axes and the central axes of second roller be mutually perpendicular to, the both ends of first roller respectively with the holding tank its
In two opposite inner walls it is parallel, the both ends of second roller are equal with other two opposite inner walls of the holding tank respectively
Row.
Preferably, collar is formed between first mounting portion and the eccentric part.
Preferably, first bearing is equipped between first mounting portion and the first shell.
Preferably, second bearing is equipped between the eccentric part and the drive disk.
Preferably, 3rd bearing is equipped between second mounting portion and the second shell.
The present invention uses this structure, and drive disk drives second shell by the first cycloid groove, the second cycloid groove and ball
Rotation, it is different by the wave number between the first cycloid groove and the second cycloid groove, generate the effect of deceleration, ball and the first cycloid groove
It is generated with the second cycloid groove and rolls transmission, frictional dissipation is small, long service life, and noise is small；Pass through the first roller slot, the second roller
Slot and roller cooperation, the first roller slot, the second roller slot generate linear contact, wear-resistant energy with higher with roller respectively
Power, while good bearing capacity is provided, the mechanical equipment suitable for top load；The mode of roller drive has frictional resistance
The advantages that small, power consumption is small, and mechanical efficiency is high, and precision is high, and abrasion is small, and quality is reliable and stable.
Detailed description of the invention
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is side structure schematic view of the invention；
Fig. 3 is schematic cross-sectional view of the Fig. 2 along A-A；
Fig. 4 is the partial enlargement diagram in Fig. 3 at B；
Fig. 5 is the structural schematic diagram of dismounting first annular shell and the second annular outer cover of the invention；
Fig. 6 is the overlooking structure diagram of first shell in the present invention；
Fig. 7 is the schematic perspective view of first annular shell, the second annular outer cover and second shell in the present invention；
Fig. 8 is the schematic perspective view of first shell in the present invention, drive disk and input shaft；
Fig. 9 is the schematic perspective view of drive disk and input shaft in the present invention.
Wherein: input shaft 1, eccentric part 1b, the second mounting portion 1c, collar 1d, first shell 2, is stepped down at first mounting portion 1a
Slot 2a, the second roller slot 2b, drive disk 3, the first roller slot 3a, roller mechanism 4, roller 4a, second shell 5, the first mounting groove
It is 5a, hypocycloid slot 6, the first arc groove 6a, epicycloid groove 7, the second arc groove 7a, ball 8, first annular shell 9, first annular
The annular notch 10a of notch 9a, the second annular outer cover 10, second, crossed roller mechanism 11, the first roller 11a, the second roller 11b,
Stop collar 11c, limit hole 11d, first bearing 12, second bearing 13,3rd bearing 14.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Referring to FIG. 1 to 9, the double wave line speed reduction bearing of a kind of high-bearing capacity of the present embodiment, including input shaft 1,
The input shaft 1 includes the first mounting portion 1a, the eccentric part 1b and the second mounting portion 1c sequentially connected along axial direction.
The peripheral movable sleeve of the first mounting portion 1a is equipped with first shell 2, the close bias of the first shell 2
One end of portion 1b extends to the periphery of the eccentric part 1b.
The recessing groove 2a that annular is formed in the middle part of one end of the eccentric part 1b of the first shell 2, it is described
The peripheral movable sleeve of eccentric part 1b is equipped with drive disk 3, and the drive disk 3 is located in the recessing groove 2a, the eccentric part 1b band
It moves the drive disk 3 and does eccentric motion in the recessing groove 2a.
The drive disk 3 is equipped with rolling between one end of the first shell 2 and the inner face of the recessing groove 2a
Column mechanism 4；Several first roller slot 3a, the recessing groove is distributed in one end close to the first shell 2 of the drive disk 3
Several and one-to-one second roller slot 2b of the first roller slot 3a is distributed in the inner face of 2a, and the roller mechanism 4 wraps
Include several roller 4a being correspondingly arranged between the first roller slot 3a and the second roller slot 2b.
The first roller slot 3a is the first circular counter bore, and the diameter of first circular counter bore is straight greater than the roller 4a
Diameter；The second roller slot 2b is the second circular counter bore, and the diameter of second circular counter bore is greater than the diameter of the roller 4a；Institute
State the height that the sum of the depth of the first circular counter bore and the depth of second circular counter bore are less than the roller 4a.
The peripheral movable sleeve of the second mounting portion 1c be equipped with second shell 5, the second shell 5 with the drive disk
3 opposite one end form hypocycloid slot 6, and one end opposite with the second shell 5 of the drive disk 3 forms epicycloid
Slot 7, the wave number of the hypocycloid slot 6 are greater than the wave number of the epicycloid groove 7, the hypocycloid slot 6 and the epicycloid groove 7 it
Between several balls 8 are distributed with.
The peripheral movable sleeve of the second shell 5 is equipped with connection shell, and the connection shell is fixedly connected with first shell 2.
Using this structure, the input shaft 1 is connect with external driver device, the first shell 2 and connection shell and outer
When portion's rack is fixedly connected, the input shaft 1 is used as power intake, and the second shell 5 is as power output end and outside
Attachment device connection.The input shaft 1 drives eccentric part 1b rotation, and eccentric part 1b drives drive disk 3 to do in recessing groove 2a
Eccentric motion, roller mechanism 4 are used to discharge the eccentric motion of drive disk 3, reduce sliding friction, reduce loss.The hypocycloid
Slot 6, ball 8 and the cooperation of epicycloid groove 7 are realized and roll passing movement, generate poor tooth using hypocycloid slot 6 and epicycloid groove 7 and transport
It is dynamic, reduce the revolving speed of second shell 5, realize the decelerating effect of bearing, improve transmission efficiency, improve reduction ratio, reduces
Deterioration, error is small, ratio error is small.
The second shell 5 is fixedly connected with external rack, and when input shaft 1 is connect with external driver device, input shaft 1 is made
For power intake, connects shell and first shell 2 is used as power output end.The input shaft 1 drives eccentric part 1b rotation, due to
Second shell 5 is fixed, and ball 8, drive disk 3 and roller mechanism 4, which cooperate, to be made first shell 2 and connect shell to generate and input shaft 1
The opposite rotary motion in direction of rotation being connect with external attachment device by will connect shell or first shell 2, be can be realized anti-
The power output in direction.
Eliminate traditional cross dish structure, simplify the structure of speed reduction bearing more, can processing and fabricating go out smaller ruler
Very little speed reduction bearing.
Roller 4a is clamped in first roller slot 3a and the second roller slot 2b cooperation, passes through rolling between drive disk 3 and first shell 2
Column 4a is driven, and in roller 4a transmission process, discharges the wobbler action of drive disk 3.
When drive disk 3 does eccentric motion, the first roller slot 3a and the second roller slot 2b provide enough biaseds for roller 4a
Space enables roller 4a to discharge the wobbler action of eccentric part 1b；It is linear contact between first ball grooves 3a and ball 4a, the
It is also linear contact between two ball grooves 2b and ball 4a, wear resistance with higher, while there is good carrying energy
Power is applicable to the mechanical equipment of high load.
Small using roller 4a frictional resistance, power consumption is small, and mechanical efficiency is high, and precision is high, wears small, long service life,
Quality is reliable and stable.
The sum of depth of the depth of first circular counter bore and second circular counter bore is less than the height of the roller 4a
Degree, can be avoided drive disk 3 and the contact of first shell 2 generates sliding friction, reduce frictional dissipation.Meanwhile, it is capable to roller 4a
Both ends positioned respectively, prevent roller 4a be detached from or misplace, can prevent in transmission process, roller 4a card
The dead or inflexible situation of transmission.
Refering to shown in Fig. 3, Fig. 7 and Fig. 8, the hypocycloid slot 6 includes several interior lateral bends towards the second shell 5
The first arc groove 6a, several described first arc groove 6a circumferentially sequentially connect into ring-shaped, first arc from beginning to end
The inner bottom surface of slot 6a is curved groove structure；The epicycloid groove 7 includes several towards the outside of the drive disk 3 curved the
Two arc groove 7a, several described second arc groove 7a circumferentially sequentially connect into ring-shaped, the second arc groove 7a from beginning to end
Inner bottom surface be curved groove structure；The number of the first arc groove 6a is greater than the number of the second arc groove 7a.
Using this structure, the hypocycloid slot 6 circularized by the 6a connection of several first arc grooves, several second arcs
Ball 8 is clamped in the epicycloid groove 7 that the 7a connection of shape slot circularizes, hypocycloid slot 6 and the cooperation of epicycloid groove 7, and ball 8 is facilitated to put inside
Roll transmission in wire casing 6 and epicycloid groove 7, sliding friction be converted into rolling friction, reduce drive disk 3 and second shell 5 it
Between frictional dissipation, while being able to carry out good transmission effect.
The eccentric distance between eccentric part 1b and input shaft 1 is set as a, section diameter of a circle is b, the profile of hypocycloid slot 6
It is that an amplitude is a and is inscribed in the loop wire for the circle that pitch diameter is b, the profile of epicycloid groove 7 is that an amplitude is a and external
In the loop wire for the circle that pitch diameter is b.
Preferably, the number of the first arc groove 6a is N+2, and the number of the second arc groove 7a is N, the ball
8 number is N+1, and N is the integer greater than zero.
Using this structure, using N+2 the first arc groove 6a, N+1 ball 8, the setting side of N number of second arc groove 7a
Formula makes to generate poor tooth movement between the first arc groove 6a, ball 8 and the second arc groove 7a, achievees the purpose that deceleration transmission, together
When, N+1 ball can guarantee to keep good transmission effect between drive disk 3 and second shell 5, between avoiding generation from being driven
Gap causes the stuck or inflexible phenomenon of rotation.
Refering to fig. 1 to shown in Fig. 3, Fig. 5 and Fig. 7, the connection shell includes first annular shell 9 and the second annular outer cover
10, the first annular shell 9 and the second annular outer cover 10 are sequentially connected along the axial direction of the first shell 2, first ring
Shape shell 9 and second annular outer cover 10 are movably set in the periphery of the second shell 5, the first annular shell 9, institute
The holding tank for being equipped with annular between the second annular outer cover 10 and the second shell 5 is stated, is equipped with crossed roller in the holding tank
Mechanism 11.
Using this structure, setting intersects rolling between first annular shell 9, the second annular outer cover 10 and second shell 5
Clamp mechanism 11 makes bearing have outstanding running accuracy, and bearing is made to be able to bear biggish axially and radially load, saves installation
Shaft length and processing cost are reduced in space.
Refering to shown in Fig. 3 and Fig. 4, the outer wall of the second shell 5 circumferentially arranged with annular the first mounting groove 5a, it is described
The radial section of first mounting groove 5a is L-type structure, and right angle one end of the L-type structure is towards the middle part of the second shell 5.
The inner face of the first annular shell 9 is circumferentially arranged with first annular notch 9a, the first annular notch 9a
Towards second annular outer cover 10；The inner face of second annular outer cover 10 is circumferentially arranged with the second annular notch 10a, institute
The second annular notch 10a is stated towards the first annular shell 9；The radial section and described second of the first annular notch 9a
The radial section of annular notch 10a is perpendicular.
The holding tank is cooperatively formed by the first mounting groove 5a, first annular notch 9a and the second annular notch 10a, described
The radial section of holding tank is rectangular configuration.
Using this structure, the first mounting groove 5a, first annular notch 9a and the second annular notch 10a are cooperatively formed
Holding tank facilitates the installation of crossed roller mechanism 11, and an end face of the first mounting groove 5a is parallel with first annular notch 9a, hands over
The part roller of fork roller mechanism 11 is folded between an end face of the first mounting groove 5a and first annular notch 9a, the first installation
The other end of slot 5a is parallel with the second annular notch 10a, and another part roller of crossed roller mechanism 11 is folded in first
Between the other end of mounting groove 5a and the second annular notch 10a, bearing is made to be able to bear biggish axially and radially load.
As shown in fig.5, the crossed roller mechanism 11 include the first roller 11a, the second roller 11b, stop collar 11c and
Limit hole 11d, the limit hole 11d are provided with multiple and are uniformly distributed circumferentially side wall in the stop collar 11c；The limit
Position ring 11c is set in the periphery of the first mounting groove 5a, and the limit hole 11d is located at the middle part of the holding tank.
The first roller 11a is provided with multiple, and the second roller 11b is provided with multiple, multiple first rollers
11a and multiple second roller 11b are staggered in multiple limit hole 11d, the central axes of the first roller 11a
Be mutually perpendicular to the central axes of the second roller 11b, the both ends of the first roller 11a respectively with the holding tank wherein
Two opposite inner walls are parallel, the both ends of the second roller 11b respectively with other two opposite inner wall phases of the holding tank
In parallel.
Using this structure, the first roller 11a and the second roller 11b is separated by stop collar 11c and holding tank cooperation,
It avoids the first roller 11a and the second roller 11b from contacting with each other and accelerate to wear, improves the output stability of second shell 5, have
Good running accuracy, first annular shell 9, the second annular outer cover 10, crossed roller mechanism 11 and the cooperation of second shell 5 make axis
It holds and is able to bear biggish axially and radially load.
As shown in fig.3, it is preferred, collar 1d is formed between the first mounting portion 1a and the eccentric part 1b.
Using this structure, collar 1d, which is arranged, can facilitate the positioning of input shaft 1.
Preferably, first bearing 12 is equipped between the first mounting portion 1a and the first shell 2.
Using this structure, first bearing 12, which is arranged, can make holding activity between the first mounting portion 1a and first shell 2
Connection.
Preferably, second bearing 13 is equipped between the eccentric part 1b and the drive disk 3.
Using this structure, second bearing 13, which is arranged, can make to keep being flexibly connected between eccentric part 1b and drive disk 3.
Preferably, 3rd bearing 14 is equipped between the second mounting portion 1c and the second shell 5.
Using this structure, 3rd bearing 14, which is arranged, can make holding activity between the second mounting portion 1c and second shell 5
Connection.
When work, the input shaft 1 is connect with external driver device, the first shell 2, first annular shell 9 and
Second ring shell 10 is fixedly connected with external rack, and the input shaft 1 is used as power intake, 5 conduct of second shell
Power output end is connect with external attachment device.The input shaft 1 drives eccentric part 1b rotation, and eccentric part 1b drives drive disk
3 do eccentric motion in recessing groove 2a, and roller mechanism 4 is used to discharge the eccentric motion of drive disk 3, reduces sliding friction, reduce
Loss.The hypocycloid slot 6, ball 8 and the cooperation of epicycloid groove 7 are realized and roll passing movement, and hypocycloid slot 6 and epicycloid are utilized
Slot 7 generates poor tooth movement, reduces the revolving speed of second shell 5, realizes the decelerating effect of bearing, improve transmission efficiency, is promoted
Reduction ratio, reduces deterioration, error is small, and ratio error is small.
The second shell 5 is fixedly connected with external rack, and input shaft 1 is connect with external driver device, 1 conduct of input shaft
Power intake, first annular shell 9, the second annular outer cover 10 and first shell 2 are used as power output end.The input shaft 1
Eccentric part 1b rotation is driven, since second shell 5 is fixed, ball 8, drive disk 3 and the cooperation of roller mechanism 4 make first shell 2, the
One annular outer cover 9 and the second annular outer cover 10 generate the rotary motion opposite with the direction of rotation of input shaft 1, by by the second ring
Shape shell 10 or first shell 2 are connect with external attachment device, and the output of opposite direction can be realized.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of double wave line speed reduction bearing of high-bearing capacity, including input shaft, which is characterized in that the input shaft includes along axial direction
The first mounting portion, eccentric part and the second mounting portion sequentially connected；
The peripheral movable sleeve of first mounting portion is equipped with first shell, one end close to the eccentric part of the first shell
Extend to the periphery of the eccentric part；
The recessing groove that annular is formed in the middle part of one end of the eccentric part of the first shell, the eccentric part it is outer
Movable sleeve is enclosed equipped with drive disk, and the drive disk is located in the recessing groove, and the eccentric part drives the drive disk described
Eccentric motion is done in recessing groove；
The drive disk is equipped with roller mechanism between one end of the first shell and the inner face of the recessing groove；Institute
Several first roller slots are distributed in the one end close to the first shell for stating drive disk, and the inner face of the recessing groove is distributed with
It is several with one-to-one second roller slot of first roller slot, the roller mechanism includes that several are correspondingly arranged at described the
Roller between one roller slot and second roller slot；
First roller slot is the first circular counter bore, and the diameter of first circular counter bore is greater than the diameter of the roller；It is described
Second roller slot is the second circular counter bore, and the diameter of second circular counter bore is greater than the diameter of the roller；Described first is round
The sum of depth of the depth of counterbore and second circular counter bore is less than the height of the roller；
The peripheral movable sleeve of second mounting portion is equipped with second shell, one opposite with the drive disk of the second shell
End forms hypocycloid slot, and one end opposite with the second shell of the drive disk forms epicycloid groove, the interior pendulum
The wave number of wire casing is greater than the wave number of the epicycloid groove, if dry milling is distributed between the hypocycloid slot and the epicycloid groove
Pearl；
The peripheral movable sleeve of the second shell is equipped with connection shell, and the connection shell is fixedly connected with first shell.
2. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that the hypocycloid slot
Including several towards curved first arc groove in the inside of the second shell, several described first arc grooves are circumferentially sequentially
Head and the tail connect into ring-shaped, and the inner bottom surface of first arc groove is curved groove structure；The epicycloid groove includes several
Towards curved second arc groove in the outside of the drive disk, circumferentially sequentially head and the tail connect cyclization to several described second arc grooves
Shape, the inner bottom surface of second arc groove are curved groove structure；The number of first arc groove is greater than second arc
The number of shape slot.
3. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 2, which is characterized in that first arc
The number of slot is N+2, and the number of second arc groove is N, and the number of the ball is N+1, and N is the integer greater than zero.
4. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that the connection shell packet
Include first annular shell and the second annular outer cover, the axis of the first annular shell and the second annular outer cover along the first shell
To sequentially connecting, the first annular shell and second annular outer cover are movably set in the periphery of the second shell, institute
State the holding tank that annular is equipped between first annular shell, second annular outer cover and the second shell, the holding tank
It is interior to be equipped with crossed roller mechanism.
5. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 4, which is characterized in that the second shell
Outer wall circumferentially arranged with the first mounting groove of annular, the radial section of first mounting groove is L-type structure, the L-type structure
Right angle one end towards the middle part of the second shell；
The inner face of the first annular shell is circumferentially arranged with first annular notch, and the first annular notch is towards described
Second ring shell；The inner face of second annular outer cover is circumferentially arranged with the second annular notch, the described second annular notch court
To the first annular shell；The radial section of the first annular notch and the radial section of the described second annular notch mutually hang down
Directly；
The holding tank is cooperatively formed by the annular notch of the first mounting groove, first annular notch and second, the diameter of the holding tank
It is rectangular configuration to section.
6. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 5, which is characterized in that the crossed roller
Mechanism includes the first roller, the second roller, stop collar and limit hole, and the limit hole is provided with multiple and is uniformly distributed circumferentially
In the side wall of the stop collar；The stop collar is set in the periphery of the first mounting groove, and the limit hole is located at the holding tank
Middle part；
First roller is provided with multiple, and second roller is provided with multiple, multiple first rollers and multiple described
Second roller is staggered in multiple limit holes, the central axes of the central axes of first roller and second roller
It being mutually perpendicular to, the both ends of first roller are parallel with wherein two opposite inner walls of the holding tank respectively, and described second
The both ends of roller are parallel with other two opposite inner walls of the holding tank respectively.
7. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that first installation
Collar is formed between portion and the eccentric part.
8. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that first installation
First bearing is equipped between portion and the first shell.
9. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that the eccentric part with
Second bearing is equipped between the drive disk.
10. a kind of double wave line speed reduction bearing of high-bearing capacity according to claim 1, which is characterized in that second peace
3rd bearing is equipped between dress portion and the second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759698.8A CN110374989A (en) | 2019-08-16 | 2019-08-16 | A kind of double wave line speed reduction bearing of high-bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759698.8A CN110374989A (en) | 2019-08-16 | 2019-08-16 | A kind of double wave line speed reduction bearing of high-bearing capacity |
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| Publication Number | Publication Date |
|---|---|
| CN110374989A true CN110374989A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759698.8A Withdrawn CN110374989A (en) | 2019-08-16 | 2019-08-16 | A kind of double wave line speed reduction bearing of high-bearing capacity |
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| Country | Link |
|---|---|
| CN (1) | CN110374989A (en) |
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2019
- 2019-08-16 CN CN201910759698.8A patent/CN110374989A/en not_active Withdrawn
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Application publication date: 20191025 |