CN207634623U - A kind of compound cycloidal reducer - Google Patents
A kind of compound cycloidal reducer Download PDFInfo
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- CN207634623U CN207634623U CN201721740396.9U CN201721740396U CN207634623U CN 207634623 U CN207634623 U CN 207634623U CN 201721740396 U CN201721740396 U CN 201721740396U CN 207634623 U CN207634623 U CN 207634623U
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- cycloidal
- level
- wheel
- pin
- wheel housing
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Abstract
The utility model discloses a kind of compound cycloidal reducers, including input shaft, fixed pin wheel housing and output pin wheel housing, input shaft is the eccentric shaft of three eccentricity position, and the eccentric segment of three eccentricity position is respectively provided with two-stage Cycloidal Wheel, per primary transmission using two panels Cycloidal Wheel dislocation 180 degree layout.It connects and supports using radial needle bearing between radial direction, fixed pin wheel housing and output pin wheel housing；In the axial direction, it connects and supports using needle roller thrust bearing between fixed pin wheel housing and output pin wheel housing；Equally distributed column pin hole is offered in four Cycloidal Wheels and has passed through pin simultaneously, is connected by roller between pin and column pin hole.It is respectively inlaid with gear pin on fixed pin wheel housing and output pin wheel housing, is meshed with gear pin per level-one Cycloidal Wheel.The utility model has the advantages that large carrying capacity, ratio coverage are wide and compact-sized, especially suitable in the transmissions such as robot, precision machine tool and medical instrument by above-mentioned two-stage cycloidal-pin wheel Composite Transmission structure design.
Description
Technical field
The utility model is related to a kind of cycloidal reducer more particularly to a kind of compound cycloidal reducers.
Background technology
Cycloidal reducer has big transmission ratio, transmission efficiency, high transmission accuracy, torsional rigid height and long lifespan etc. all
More advantages, therefore it is widely used in precision mechanical transmission field.Common cycloid retarder misplaces there are one being filled on input shaft
180 ° of double eccentric sleeves, there are two rotary arm bearings for dress on eccentric bushing, form H mechanisms.The centre bore of two Cycloidal Wheels is as inclined
The heart puts on the raceway of rotary arm bearing, and is meshed with the needle tooth of one group of annular array on pin gear by Cycloidal Wheel, poor to form tooth
For the internal messing deceleration mechanism of a tooth.
Taiwan industrial technology research institute proposes the utility model of a compound cycloidal reducer novel drive structure design
The transmission of system motion and power is only realized in patent, the design by front and back two panels Cycloidal Wheel, and reducer structure is compact and is driven
It is wider than scope of design.It is disadvantageous in that, the inertial load that two-stage Cycloidal Wheel acts on crank axle is difficult to complete equipilibrium, sternly
Ghost image rings retarder dynamic property and functional reliability, and due to the particularity of structure design, final assembly performance is poor.Zhejiang is permanent
Feng Tai speed reducers Manufacturing Co., Ltd proposes the utility model patent of one " complex precise cycloidal speed reducer ", the retarder
Level-one realizes that rear two-stage is realized by compound cycloid pinwheel planetary gear transmission system by Planetary Gear Transmission.Since transmission series is excessive,
Reducer structure design is complicated, and transmission efficiency is difficult to improve.Then, Zhejiang Province Hengfengtai reducer Manufacturing Co., Ltd further carries
The utility model patent of one " precision cycloid decelerator " is gone out, the retarder by two-stage realize by totally six Cycloidal Wheel transmissions, passes
The torsional rigid and bearing capacity of dynamic structure are higher, but axial bending is rigidly poor.
Utility model content
To overcome the defect in the prior art, the utility model to provide a kind of compound cycloidal reducer.The retarder has
Large carrying capacity, compact-sized, transmission efficiency and the big advantage of transmission ratio.Especially suitable for robot, precision machine tool and
In the transmissions such as medical instrument.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of compound cycloidal reducer, including input shaft and
Fixed pin wheel housing, the input shaft are the eccentric shaft of three eccentricity position, include the eccentric segment of intermediate eccentric segment and both sides, both sides it is inclined
Left side is input side eccentric segment in heart section, and right side is outlet side eccentric segment, sets pendulum equipped with a level-one left side on the input side eccentric segment
Line wheel, is sequentially arranged with that Cycloidal Wheel is set on the level-one right side and Cycloidal Wheel is set on a two level left side on the intermediate eccentric segment from input side to outlet side,
Cycloidal Wheel is set equipped with the two level right side on the outlet side eccentric segment, Cycloidal Wheel is set on the level-one left side and Cycloidal Wheel is set on the level-one right side
The number of teeth is identical and according to dislocation 180 degree layout, and it is identical that the number of teeth that Cycloidal Wheel is set on Cycloidal Wheel and the two level right side is set on the two level left side
And according to dislocation 180 degree layout；The number of teeth that Cycloidal Wheel is set on the two level left side from Cycloidal Wheel is set on the level-one left side is different；The fixation
The right part of pin wheel housing is concave cavity, and output pin wheel housing is equipped in the concave cavity；In radial direction, the fixed pin wheel housing
It connects and supports using radial needle bearing between the output pin wheel housing；In the axial direction, the fixed pin wheel housing and institute
It states and connects and support using needle roller thrust bearing between exporting pin wheel housing；Cycloidal Wheel is set on the level-one left side, cycloid is set on the level-one right side
Wheel, a two level left side set Cycloidal Wheel and the two level right side sets and is evenly equipped with multiple rollers on the identical graduation circle of Cycloidal Wheel, each roller
Respectively running through in hole has a pin；It is respectively inlaid with gear pin on the fixed pin wheel housing and the output pin wheel housing；Institute
State that Cycloidal Wheel is set on a level-one left side and the level-one right side sets Cycloidal Wheel and is meshed with the gear pin being embedded on the fixed pin wheel housing, it is described
Cycloidal Wheel is set on a two level left side and the two level right side sets Cycloidal Wheel and is meshed with the gear pin being embedded on output pin wheel housing；It is embedded in
Determined by the needle roller thrust bearing between gear pin and the gear pin being embedded on output pin wheel housing on the fixed pin wheel housing
Position；The left end of the fixed pin wheel housing is equipped with left compression plate, and the right end of the output pin wheel housing is equipped with right compression plate；The pin
Both ends be to be fixedly connected between left compression plate and right compression plate；Between the fixed pin wheel housing and the left compression plate,
Spring bearing is respectively equipped between the output pin wheel housing and the right compression plate；The left axle end of the input shaft and left compression
It is equipped with deep groove ball bearing between disk, between the right axle end of the input shaft and the right compression plate.
Further, the compound cycloidal reducer of the utility model, wherein the both ends of the pin and left compression plate and right pressure
Screw is all made of between tight disk to fix.
On the input shaft set Cycloidal Wheel positioned at a level-one left side and the two level right side set Cycloidal Wheel and homonymy deep groove ball bearing it
Between be equipped with stop sleeve, be equipped with circlip on the outside of the deep groove ball bearing.
Skeleton oil seal is used between the fixed pin wheel housing and the output pin wheel housing.
Cycloidal Wheel is set on the level-one left side, Cycloidal Wheel is set on the level-one right side, Cycloidal Wheel is set on a two level left side and the two level right side set Cycloidal Wheel with it is defeated
Enter and is equipped with cylinder roller bearing between axis.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is beneficial in that two-stage transmission is completed using four Cycloidal Wheels altogether, is used per primary transmission
Two panels Cycloidal Wheel dislocation 180 degree layout, realizes the balance of interior inertial loads at different levels；Crank axle is designed using three eccentricity position, in
Between section be equipped with two panels Cycloidal Wheel, both sides respectively be equipped with a piece of Cycloidal Wheel, it is this design ensure that crank axle machinability and with
Assembling capacity between multi-disc Cycloidal Wheel；Radial needle bearing and needle roller thrust bearing are used between fixed pinwheel and output pinwheel
Support realizes while effectively reducing reducer structure size, improving transmission rigidity and bearing capacity by thrust bearing
The reliable location of two-stage pinwheel upper pin gear pin.
Description of the drawings
Fig. 1 is the assembling schematic diagram of the compound cycloidal reducer of the utility model；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the C-C sectional views of Fig. 1.
In figure：Cycloidal Wheel is set on 1- input shafts, 2- sleeves, 3- cylinder roller bearings, a 41- level-ones left side, and cycloid is set on the 42- level-ones right side
Cycloidal Wheel is set on wheel, a 51- two levels left side, and Cycloidal Wheel, 6- pins, 7- rollers, 8- left support bearings, 9- right supports are set in the 52- two levels right side
Bearing, 10- needle roller thrust bearings, 11- radial needle bearings, 12- fix pin wheel housing, and 13- exports pin wheel housing, and 141,142- needle teeth
Pin, 15- deep groove ball bearings, 16- stop sleeves, the left compression plates of 17-, the right compression plates of 18-, 19- outside framework oil seals, 20- screws, 21-
Circlip.
Specific implementation mode
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described
Specific embodiment is only explained the utility model, is not intended to limit the utility model.
The utility model proposes a kind of compound cycloidal reducer, as shown in Figure 1, including input shaft 1, fixed pin wheel housing 12
With output pin wheel housing 13.
The input shaft 1 is the eccentric shaft of three eccentricity position, includes the eccentric segment of intermediate eccentric segment and both sides, the bias of both sides
Left side is input side eccentric segment in section, and right side is outlet side eccentric segment, sets cycloid equipped with a level-one left side on the input side eccentric segment
Wheel 41, is sequentially arranged with that Cycloidal Wheel 42 is set on the level-one right side and Cycloidal Wheel is set on a two level left side on the intermediate eccentric segment from input side to outlet side
51, Cycloidal Wheel 52 is set equipped with the two level right side on the outlet side eccentric segment, and Cycloidal Wheel 41 is set on the level-one left side and the level-one right side is set
The number of teeth of Cycloidal Wheel 42 is identical and according to dislocation 180 degree layout, and Cycloidal Wheel 51 is set on the two level left side and cycloid is set on the two level right side
The number of teeth of wheel 52 is identical and according to dislocation 180 degree layout；It sets Cycloidal Wheel 51 and sets Cycloidal Wheel 41 with the level-one left side in the two level left side
The number of teeth it is different.The level-one left side is set between Cycloidal Wheel 41 and input shaft 1, the two level right side is all provided between setting Cycloidal Wheel 52
There are sleeve 2 and cylinder roller bearing 3, the level-one right side is set between Cycloidal Wheel 42 and input shaft 1, Cycloidal Wheel 51 is set on the two level left side
Cylinder roller bearing 3 is equipped between input shaft 1.
The right part of the fixed pin wheel housing 12 is concave cavity, and the output pin wheel housing 13 is arranged in the concave cavity；
It connects and props up using radial needle bearing 11 between radial direction, the fixed pin wheel housing 12 and the output pin wheel housing 13
Support；In the axial direction, between the fixed pin wheel housing 12 and the output pin wheel housing 13 using needle roller thrust bearing 10 connection with
Support.It is sealed using outside framework oil seal 19 between the fixed pin wheel housing 12 and the output pin wheel housing 13.
Cycloidal Wheel 41 is set on the level-one left side, Cycloidal Wheel 42 is set on the level-one right side, Cycloidal Wheel 51 is set on a two level left side and pendulum is set on the two level right side
Multiple rollers 7 are evenly equipped on the identical graduation circle of line wheel 52, respectively running through in the hole of each roller 7 has a pin 6.
It is respectively inlaid with gear pin on the fixed pin wheel housing 12 and the output pin wheel housing 13；Set pendulum in the level-one left side
Line wheel 41 and the level-one right side set Cycloidal Wheel 42 and are meshed with the gear pin 141 being embedded on the fixed pin wheel housing 12, such as Fig. 1 and
Shown in Fig. 2, Cycloidal Wheel 51 is set on the two level left side and the two level right side set Cycloidal Wheel 52 be embedded on output pin wheel housing 13
Gear pin 142 is meshed, as shown in Figure 1 and Figure 4；The gear pin 141 being embedded on the fixed pin wheel housing 12 be embedded in it is defeated
It is positioned by the needle roller thrust bearing 10 between the gear pin 142 gone out on pin wheel housing 13, as shown in figures 1 and 3.
As shown in Figure 1, the left end of the fixed pin wheel housing 12 is equipped with left compression plate 17, the right end of the output pin wheel housing 13
Equipped with right compression plate 18；It is to be fixedly connected between the both ends of the pin 6 and left compression plate 17 and right compression plate 18, the column
The fixation of screw 20 is all made of between the both ends of pin 6 and left compression plate 17 and right compression plate 18.The fixed pin wheel housing 12 with it is described
Between left compression plate 17, spring bearing is respectively equipped between the output pin wheel housing 13 and the right compression plate 18；It is described defeated
Enter between the left axle end of axis 1 and left compression plate 17, be equipped with depth between the right axle end of the input shaft 1 and the right compression plate 18
Ditch ball bearing 15.Cycloidal Wheel 41 is being set on the input shaft 1 positioned at a level-one left side and the zanjon of Cycloidal Wheel 52 and homonymy is set on the two level right side
Stop sleeve 16 is equipped between ball bearing 15, the outside of the deep groove ball bearing 15 is equipped with circlip 21.
The compound cycloidal reducer of the utility model has bearing capacity by two-stage cycloidal-pin wheel Composite Transmission structure design
Greatly, the advantages that ratio coverage is wide and compact-sized, especially suitable in the transmissions such as robot, precision machine tool and medical instrument.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific implementation mode, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
Claims (5)
1. a kind of compound cycloidal reducer, including input shaft (1) and fixed pin wheel housing (12), which is characterized in that
The input shaft (1) is the eccentric shaft of three eccentricity position, includes the eccentric segment of intermediate eccentric segment and both sides, the eccentric segment of both sides
Middle left side is input side eccentric segment, and right side is outlet side eccentric segment, sets Cycloidal Wheel equipped with a level-one left side on the input side eccentric segment
(41), it is sequentially arranged with that Cycloidal Wheel (42) is set on the level-one right side and cycloid is set on a two level left side on the intermediate eccentric segment from input side to outlet side
It takes turns (51), sets Cycloidal Wheel (52) equipped with the two level right side on the outlet side eccentric segment, Cycloidal Wheel (41) and described is set on the level-one left side
The number of teeth that Cycloidal Wheel (42) is set on the level-one right side is identical and according to dislocation 180 degree layout, and Cycloidal Wheel (51) and described is set on the two level left side
The two level right side set Cycloidal Wheel (52) the number of teeth it is identical and according to dislocation 180 degree layout；The two level left side set Cycloidal Wheel (51) with it is described
The number of teeth that Cycloidal Wheel (41) is set on a level-one left side is different；
The right part of the fixed pin wheel housing (12) is concave cavity, and output pin wheel housing (13) is equipped in the concave cavity；In diameter
To direction, connects and prop up using radial needle bearing (11) between the fixed pin wheel housing (12) and the output pin wheel housing (13)
Support；In the axial direction, needle roller thrust bearing (10) is used between the fixed pin wheel housing (12) and the output pin wheel housing (13)
Connection and support；
Cycloidal Wheel (41) is set on the level-one left side, Cycloidal Wheel (42) is set on the level-one right side, Cycloidal Wheel (51) is set on a two level left side and the two level right side is set
Multiple rollers (7) are evenly equipped on the identical graduation circle of Cycloidal Wheel (52), respectively running through in the hole of each roller (7) has one
Pin (6)；
It is respectively inlaid with gear pin on the fixed pin wheel housing (12) and the output pin wheel housing (13)；Set pendulum in the level-one left side
Line wheel (41) and the level-one right side are set Cycloidal Wheel (42) and are mutually nibbled with the gear pin (141) being embedded on the fixed pin wheel housing (12)
It closes, Cycloidal Wheel (51) is set on the two level left side and the two level right side is set Cycloidal Wheel (52) and exported on pin wheel housing (13) with being embedded in
Gear pin (142) is meshed；The gear pin (141) that is embedded on the fixed pin wheel housing (12) and it is embedded in output pin wheel housing
(13) it is positioned by the needle roller thrust bearing (10) between the gear pin (142) on；
The left end of the fixed pin wheel housing (12) is equipped with left compression plate (17), and the right end of the output pin wheel housing (13) is equipped with right pressure
Tight disk (18)；The both ends of the pin (6) be to be fixedly connected between left compression plate (17) and right compression plate (18)；It is described solid
Determine between pin wheel housing (12) and the left compression plate (17), is equal between the output pin wheel housing (13) and the right compression plate (18)
It is respectively equipped with spring bearing；Between the left axle end and left compression plate (17) of the input shaft (1), the right axle of the input shaft (1)
It is equipped with deep groove ball bearing (15) between end and the right compression plate (18).
2. compound cycloidal reducer according to claim 1, which is characterized in that the both ends of the pin (6) and left compression plate
(17) it is fixed that screw (20) is all made of between right compression plate (18).
3. compound cycloidal reducer according to claim 1, which is characterized in that positioned at a level-one left side on the input shaft (1)
It sets Cycloidal Wheel (41) and the two level right side sets and is equipped with stop sleeve (16) between Cycloidal Wheel (52) and the deep groove ball bearing (15) of homonymy,
It is equipped with circlip (21) on the outside of the deep groove ball bearing (15).
4. compound cycloidal reducer according to claim 1, which is characterized in that the fixed pin wheel housing (12) and the output
It is sealed using outside framework oil seal (19) between pin wheel housing (13).
5. compound cycloidal reducer according to claim 1, which is characterized in that set Cycloidal Wheel (41), level-one in the level-one left side
Cycloidal Wheel (42) is set on the right side, Cycloidal Wheel (51) is set on a two level left side and the two level right side sets and is equipped with circle between Cycloidal Wheel (52) and input shaft (1)
Column roller bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740396.9U CN207634623U (en) | 2017-12-13 | 2017-12-13 | A kind of compound cycloidal reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740396.9U CN207634623U (en) | 2017-12-13 | 2017-12-13 | A kind of compound cycloidal reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634623U true CN207634623U (en) | 2018-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721740396.9U Expired - Fee Related CN207634623U (en) | 2017-12-13 | 2017-12-13 | A kind of compound cycloidal reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882928A (en) * | 2017-12-13 | 2018-04-06 | 重庆大学 | A kind of compound cycloidal reducer |
-
2017
- 2017-12-13 CN CN201721740396.9U patent/CN207634623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882928A (en) * | 2017-12-13 | 2018-04-06 | 重庆大学 | A kind of compound cycloidal reducer |
| CN107882928B (en) * | 2017-12-13 | 2023-12-12 | 重庆大学 | Duplex cycloidal reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20181213 |