CN208595201U - A kind of combination bearing cycloidal-pin gear speed reducer - Google Patents
A kind of combination bearing cycloidal-pin gear speed reducer Download PDFInfo
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- CN208595201U CN208595201U CN201720988379.0U CN201720988379U CN208595201U CN 208595201 U CN208595201 U CN 208595201U CN 201720988379 U CN201720988379 U CN 201720988379U CN 208595201 U CN208595201 U CN 208595201U
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- ball bearing
- bearing
- pin
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Abstract
The utility model discloses a kind of combination bearing cycloidal-pin gear speed reducers, it is related to mechanical transmission fields, input crankshaft two end is supported respectively by the first ball bearing and the second ball bearing to be mounted on input terminal and output end, one cylinder roller bearing is mounted on the outside of input terminal, shell is socketed on the outside of cylinder roller bearing, third ball bearing is mounted on the outside of output end, shell is socketed on the outside of third ball bearing, 4th ball bearing is separately mounted on two eccentric excircles among input crankshaft, two cycloid gears are socketed on the outside of two the 4th ball bearings respectively, the needle roller placed on its outer flank of tooth and shell internal tooth engages, there are multiple through-holes on two cycloid gears, pin passes through these through-holes with taper pin and is fixedly connected with input terminal with output end, roller is installed on pin, the mechanism smoothly converts the planetary motion of two cycloid gears For circular motion.Have the advantages that structure is simple, rigidity is high, precision is high, transmission efficiency is high, manufacturing cost is low.
Description
Technical field
The utility model relates to mechanical transmission fields, more particularly, to a kind of combination bearing cycloidal-pin gear speed reducer.
Background technique
Bearing retarder is mainly used in the numerous areas such as robot, high-end numerical control machine, Medical Devices, defense military.
The main users demand of such product is precision height, large carrying capacity, transmitting torque is big, resistance to capsizing is strong, the small in size, service life
It is long.
Domestic market mainly by the harmonic speed reducer of Japanese HarmonicDrive (Harmer Na Ke company),
Occupied by the RV type cycloidal gear speed reducer of Nabtesco (Na Botesike company), the such retarder development in China is slower, removes
Outside harmonic speed reducer, novel cycloidal gear speed reducer lacks research.Harmonic speed reducer is due to reasons in structure, load and torque ratio
Smaller, shock resistance is poor, is only used for underload occasion.RV retarder is two-stage driving form, and volume is larger, cannot be done
The retarder of small size, and cost of manufacture is higher.
The cycloidal gear speed reducer of same type is all using two or more cycloid gear structures, two-stage in the world
Transmission, not only structure is complicated, install it is also relatively complicated, using being inconvenient, it is necessary to be improved.
Utility model content
The purpose of this utility model is that providing a kind of new bearing deceleration in place of in view of the shortcomings of the prior art
Device uses primary transmission mechanism, has the advantages that structure is simple, rigidity is high, precision is high, transmission efficiency is high, manufacturing cost is low.
The utility model provides the following technical solutions: a kind of new bearing retarder include input crankshaft, the first ball bearing,
Second ball bearing, input, output end, cylinder roller bearing, shell, third ball bearing, the 4th ball bearing, cycloid gear, rolling
Needle, pin, taper pin, roller, the first rotation outside framework oil seal, the second rotation outside framework oil seal, third rotate outside framework oil seal and the 4th
Outside framework oil seal is rotated, wherein input crankshaft two end is supported respectively by the first ball bearing and the second ball bearing and is mounted on input terminal and defeated
In outlet, a cylinder roller bearing is mounted on the outside of input terminal, and shell is socketed on the outside of cylinder roller bearing, third ball axis
It holds and is mounted on the outside of output end, shell is socketed on the outside of third ball bearing, and the 4th ball bearing is separately mounted in input crankshaft
Between two eccentric excircles on, two cycloid gears are socketed on the outside of two the 4th ball bearings, the outer flank of tooth and shell respectively
The needle roller placed on internal tooth engages, and has multiple through-holes on two cycloid gears, and pin and taper pin pass through these through-holes for input terminal
It is fixedly connected with output end, roller is installed on pin, the roller can rotate and as driving member by two around pin
The movement of cycloid gear is transmitted to output end.
Preferably, the input terminal is supported on both sides to be connected with cylinder roller bearing and the second ball bearing.
Preferably, the output end first ball bearing of connection supported on both sides and third ball bearing.
Preferably, using two the 4th ball bearing supports between the input crankshaft and two cycloid gears.
Preferably, the quantity of the needle roller on the gear ratio shell of the cycloid gear is few, so that cycloid gear and shell
Body, needle roller do the planetary reduction gear movement of few teeth difference.
Preferably, rolling cooperation between through-hole and pin, roller on the cycloid gear.
Preferably, the cycloid gear connects into envelope by pin, taper pin and roller and input terminal and output end
The symmetrical structure closed, and the planetary motion of two cycloid gears is smoothly converted circular motion by the mechanism.
Preferably, the first rotation outside framework oil seal is mounted between shell and input terminal, sealing function is played, the
Two rotation outside framework oil seals are mounted between input crankshaft and input terminal, play sealing function, and third rotation outside framework oil seal is mounted on
It inputs between crankshaft and output end, plays sealing function, the 4th rotation outside framework oil seal is mounted between shell and output end, plays
Sealing function.
Compared with prior art, the utility model has the beneficial effects that it uses primary transmission mechanism, it can be by motor shaft
Input crankshaft rotation is driven by keyway, the rotation of motor can also be passed to by input crankshaft by gear or synchronous belt, it is bent
Axis support ball bearing is puted forth effort on input terminal and output end, then pushes two cycloid gears to do planetary motion, column by ball bearing
Pin, taper pin and roller and input terminal and output end connect into closed symmetrical structure, and the mechanism is by two cycloid gears
Planetary motion is smoothly converted into circular motion.It is simple with structure, rigidity is high, precision is high, transmission efficiency is high, manufacturing cost is low
The advantages of.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model.
Appended drawing reference: input crankshaft 1, the first ball bearing 2, the second ball bearing 3, input terminal 4, output end 5, cylindrical roller axis
Hold 6, shell 7, third ball bearing 8, the 4th ball bearing 9, cycloid gear 10, needle roller 11, pin 12, taper pin 13, roller 14,
One rotation outside framework oil seal 15, second rotates outside framework oil seal 16, third rotation outside framework oil seal the 17, the 4th rotates outside framework oil seal 18.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: including inputting crankshaft 1, the first ball bearing 2, second
Ball bearing 3, input terminal 4, output end 5, cylinder roller bearing 6, shell 7, third ball bearing 8, the 4th ball bearing 9, cycloid gear
10, needle roller 11, pin 12, taper pin 13, roller 14, first rotate outside framework oil seal 15, second and rotate outside framework oil seal 16, third
Outside framework oil seal 17 and the 4th rotation outside framework oil seal 18 are rotated, wherein input 1 both ends of crankshaft are by the first ball bearing 2 and the second ball axis
Hold 3 respectively support be mounted on input terminal 4 and output end 5, a cylinder roller bearing 6 is mounted on the outside of input terminal 4, shell 7
It is socketed on the outside of cylinder roller bearing 6, third ball bearing 8 is mounted on 5 outside of output end, and shell 7 is socketed on third ball bearing 8
Outside, the 4th ball bearing 9 is separately mounted on two eccentric excircles among input crankshaft 1, and two cycloid gears 10 are distinguished
It is socketed on the outside of two the 4th ball bearings 9, the needle roller 11 placed on the outer flank of tooth and 7 internal tooth of shell engages, two cycloid tooths
There are multiple through-holes on wheel 10, pin 12 passes through these through-holes with taper pin 13 and is fixedly connected with input terminal 4 with output end 5, pin 12
Upper installation roller 14, the roller 14 can be rotated around pin 12 and as driving member by the movement of two cycloid gears 10
It is transmitted to output end 5.
Wherein, the input terminal 4 is supported on both sides is connected with cylinder roller bearing 6 and the second ball bearing 3；
The output end 5 first ball bearing 2 of connection supported on both sides and third ball bearing 8；The input crankshaft 1 and two
Using two the 4th ball bearing 9 supports between a cycloid gear 10；Needle roller on the gear ratio shell 7 of the cycloid gear 10
11 quantity is few, so that cycloid gear 10 and shell 7, needle roller 11 do the planetary reduction gear movement of few teeth difference；The cycloid gear
Cooperation is rolled between through-hole on 10 and pin 12, roller 14；The cycloid gear 10 passes through pin 12,13 and of taper pin
Roller 14 and input terminal 4 and output end 5 connect into closed symmetrical structure, and the mechanism is by the planet of two cycloid gears 10
Movement is smoothly converted into circular motion.
The working principle of the present embodiment is as follows: motor shaft drives input crankshaft 1 to rotate by keyway, can also lead to
It crosses gear or synchronous belt and the rotation of motor is passed into input crankshaft 1, input the both ends of crankshaft 1 by the first ball bearing 2 and second
Ball bearing 3 is respectively supported on input terminal 4 and output end 5, after input crankshaft 1 rotates, is installed on the off-centre operation of input crankshaft 1
On two the 4th ball bearings 9 push cycloid gear 10, be allowed to and be installed on tooth needle 11 in shell 7 and engage and simultaneously do few teeth difference fortune
Dynamic formed is slowed down, and rotation is transmitted to output end 5 by pin 12 and pin set 14 by cycloid gear 10 makes it generate rotation, output
The second ball bearing 3 of 5 two sides and third ball bearing 8 is held to play axially and radially supporting role to output end 5；Cycloid tooth simultaneously
Rotation is transmitted to input terminal 4 by wheel 10 makes its generate rotation, and input terminal 4 and output end 5 are linked to be entirety by pin shaft 12 and taper pin 14,
Output torque is balanced and increases, input terminal 4 is supported on shell 7 by cylinder roller bearing 6, the first rotation outside framework oil seal 15
Sealing function is played between shell 7 and input terminal 4, the second rotation outside framework oil seal 16 rises between input crankshaft 1 and input terminal 4
To sealing function, third rotates outside framework oil seal 17 and plays sealing function, the 4th rotation bone between input crankshaft 1 and output end 5
Frame oil sealing 18 plays sealing function between shell 7 and output end 5.
Claims (4)
1. a kind of combination bearing cycloidal-pin gear speed reducer, it is characterised in that: it include input crankshaft (1), the first ball bearing (2),
Second ball bearing (3), input terminal (4), output end (5), cylinder roller bearing (6), shell (7), third ball bearing (8), the 4th
Ball bearing (9), cycloid gear (10), needle roller (11), pin (12), taper pin (13), roller (14), the first rotation outside framework oil seal
(15), the second rotation outside framework oil seal (16), third rotation outside framework oil seal (17) and the 4th rotation outside framework oil seal (18), wherein inputting
Crankshaft (1) both ends are supported respectively by the first ball bearing (2) and the second ball bearing (3) and are mounted on input terminal (4) and output end (5)
On, a cylinder roller bearing (6) is mounted on the outside of input terminal (4), and shell (7) is socketed on the outside of cylinder roller bearing (6),
Third ball bearing (8) is mounted on the outside of output end (5), and shell (7) is socketed on the outside of third ball bearing (8), the 4th ball bearing
(9) it is separately mounted on two intermediate eccentric excircles of input crankshaft (1), two cycloid gears (10) are socketed on two the respectively
The needle roller (11) placed on the outside of four ball bearings (9), the outer flank of tooth and shell (7) internal tooth engages, two cycloid gears (10)
On have multiple through-holes, pin (12) passes through these through-holes with taper pin (13) and is fixedly connected with input terminal (4) with output end (5), column
It sells and roller (14) is installed on (12), two the 4th balls are used between the input crankshaft (1) and two cycloid gears (10)
Bearing (9) supports, few, the described cycloid of the quantity of the needle roller (11) on the gear ratio shell (7) of the cycloid gear (10)
Cooperation is rolled between through-hole on gear (10) and pin (12), roller (14), the cycloid gear (10) passes through pin
(12), taper pin (13) and roller (14) and input terminal (4) and output end (5) connect into closed symmetrical structure.
2. a kind of combination bearing cycloidal-pin gear speed reducer according to claim 1, it is characterised in that: the input terminal
(4) supported on both sides to be connected with cylinder roller bearing (6) and the second ball bearing (3).
3. a kind of combination bearing cycloidal-pin gear speed reducer according to claim 1, it is characterised in that: the output end
(5) first ball bearing of connection supported on both sides (2) and third ball bearing (8).
4. a kind of combination bearing cycloidal-pin gear speed reducer according to claim 1, it is characterised in that: first rotation
Outside framework oil seal (15) is mounted between shell (7) and input terminal (4), and the second rotation outside framework oil seal (16) is mounted on input crankshaft
(1) between input terminal (4), third rotation outside framework oil seal (17) is mounted between input crankshaft (1) and output end (5), and the 4th
Rotation outside framework oil seal (18) is mounted between shell (7) and output end (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988379.0U CN208595201U (en) | 2017-07-31 | 2017-07-31 | A kind of combination bearing cycloidal-pin gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988379.0U CN208595201U (en) | 2017-07-31 | 2017-07-31 | A kind of combination bearing cycloidal-pin gear speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN208595201U true CN208595201U (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988379.0U Active CN208595201U (en) | 2017-07-31 | 2017-07-31 | A kind of combination bearing cycloidal-pin gear speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163757A (en) * | 2022-07-13 | 2022-10-11 | 浙江环动机器人关节科技有限公司 | Cycloidal pin gear planetary reducer |
-
2017
- 2017-07-31 CN CN201720988379.0U patent/CN208595201U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163757A (en) * | 2022-07-13 | 2022-10-11 | 浙江环动机器人关节科技有限公司 | Cycloidal pin gear planetary reducer |
| CN115163757B (en) * | 2022-07-13 | 2023-04-07 | 浙江环动机器人关节科技有限公司 | Cycloidal pin gear planetary reducer |
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