CN113108025A - Cycloidal pin gear speed reducer - Google Patents
Cycloidal pin gear speed reducer Download PDFInfo
- Publication number
- CN113108025A CN113108025A CN202010023613.2A CN202010023613A CN113108025A CN 113108025 A CN113108025 A CN 113108025A CN 202010023613 A CN202010023613 A CN 202010023613A CN 113108025 A CN113108025 A CN 113108025A
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- China
- Prior art keywords
- pin gear
- pin
- bearing
- transmission
- cycloidal
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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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a cycloidal pin gear speed reducer which comprises an end cover, a first pin gear shell, a middle flange, a second pin gear shell and a tailstock, wherein the end cover is fixedly connected with one end of the first pin gear shell through a bolt, the other end of the first pin gear shell is fixedly connected with one end of the middle flange through a bolt, the other end of the middle flange is fixedly connected with one end of the second pin gear shell through a bolt, the other end of the second pin gear shell is fixedly connected with the tailstock through a bolt, a primary speed reducing mechanism is arranged in the end cover and the first pin gear shell, a secondary speed reducing mechanism is arranged in the tailstock and the second pin gear shell, the primary speed reducing mechanism is connected with the secondary speed reducing mechanism through a transmission shaft, an input shaft is rotatably connected onto the end cover through an inlet bearing, and the input shaft is connected with the primary speed reducing mechanism. The invention realizes two-time speed reduction, has better speed reduction effect, is more stable in the transmission process, effectively reduces the abrasion of the speed reducer and prolongs the service life.
Description
Technical Field
The invention relates to the field of speed reducers, in particular to a cycloidal pin gear speed reducer.
Background
The cycloidal pin gear speed reducer is one kind of speed reducing transmission mechanism applying planetary transmission principle and adopting cycloidal pin gear meshing. The cycloidal-pin gear speed reducer has the advantages of large transmission ratio, high efficiency, low noise, stable operation and strong overload capacity, so that the cycloidal-pin gear speed reducer is widely applied to mechanical transmission in the fields of hoisting transportation, metallurgy, petrifaction, light industry, chemical industry and the like.
The existing cycloidal pin gear speed reducer has a complex structure and a general speed reduction effect, and has the defects of unstable power transmission during operation, severe wear of the cycloidal speed reducer and influence on the service life.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a cycloidal pin gear reducer that solves the problems mentioned in the background.
In order to achieve the above and other related objects, the present invention provides a cycloidal pin gear speed reducer, comprising an end cover, a first pin gear case, an intermediate flange, a second pin gear case and a tailstock, wherein the end cover is fixedly connected with one end of the first pin gear case through a bolt, the other end of the first pin gear case is fixedly connected with one end of the intermediate flange through a bolt, the other end of the intermediate flange is fixedly connected with one end of the second pin gear case through a bolt, the other end of the second pin gear case is fixedly connected with the tailstock through a bolt, a primary speed reducing mechanism is arranged in the end cover and the first pin gear case, a secondary speed reducing mechanism is arranged in the tailstock and the second pin gear case, the primary speed reducing mechanism is connected with the secondary speed reducing mechanism through a transmission shaft, an input shaft is rotatably connected to the end cover through an inlet bearing, the input shaft is connected to the primary speed reducing mechanism, and an output shaft is rotatably connected to the tailstock through an outlet, the output shaft is connected with the secondary speed reducing mechanism.
Preferably, the one-level reduction gears include first eccentric bearing, first drive disk and two first cycloid wheels, first eccentric bearing is fixed in on the input shaft, two first cycloid wheels all through first eccentric bearing and input shaft swivelling joint, the one end of first drive disk is fixed to be inserted and is equipped with first round pin axle, first round pin axle passes two first cycloid wheels and is connected with its transmission through the pin bush, be equipped with a plurality of first pinion pins on the inner wall of first pinion shell, first pinion pin meshes with two first cycloid wheels through the pin bush mutually.
Preferably, the input shaft is connected with a first transmission disc through a bearing A in a transmission manner, the first transmission disc is connected with the intermediate flange through a bearing B in a rotation manner, one end, far away from the input shaft, of the first transmission disc is fixedly connected with a transmission shaft, and the transmission shaft is connected with the intermediate flange through a bearing C in a rotation manner.
Preferably, a first spacing ring is arranged between the two first cycloidal gears.
Preferably, the second-level speed reduction mechanism comprises a second eccentric bearing, a second transmission disc and two second cycloid wheels, the second eccentric bearing is fixed on the transmission shaft, the two second cycloid wheels are rotatably connected with the transmission shaft through the second eccentric bearing, a second pin shaft is fixedly inserted into one end of the second transmission disc, the second pin shaft penetrates through the two second cycloid wheels and is in transmission connection with the second cycloid wheels through a pin sleeve, a plurality of second pin gear pins are arranged on the inner wall of the second pin gear shell, and the second pin gear pins are meshed with the two second cycloid wheels through the pin gear sleeve.
Preferably, the transmission shaft is in transmission connection with a second transmission disc through a bearing D, the second transmission disc is in rotation connection with the tailstock through a bearing E, and one end, far away from the transmission shaft, of the second transmission disc is fixedly connected with the output shaft.
Preferably, a second spacing ring is arranged between the two second cycloidal gears.
Preferably, the first and second eccentric bearings are both 180 ° from each other in the eccentric direction.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the invention is used, the output end of the motor is connected with the input shaft, power is transmitted to the input shaft, the input shaft starts to rotate, the first speed reduction action is realized through the first-stage speed reduction mechanism, then weakened power is transmitted to the second-stage speed reduction mechanism through the transmission shaft, and the second speed reduction action is realized through the second-stage speed reduction mechanism, so that the two-stage speed reduction is realized, and the speed reduction effect is better;
(2) in the operation process of the invention, the input shaft, the transmission discs and the transmission discs are more stable in the transmission process by arranging the inlet bearing, the outlet bearing and the bearing A, B, C, D, E, thereby effectively reducing the abrasion of the speed reducer and prolonging the service life.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Wherein the reference numerals are specified as follows: the device comprises an input shaft 1, an end cover 2, a bearing A3, a first needle gear shell 4, a middle flange 5, a second eccentric bearing 6, a second needle gear pin 7, a second needle gear shell 8, a second spacing ring 9, a second cycloidal gear 10, a second pin shaft 11, a second transmission disc 12, a tailstock 13, an output shaft 14, an outlet bearing 15, a bearing E16, a bearing D17, a transmission shaft 18, a bearing C19, a first transmission disc 20, a bearing B21, a first pin shaft 22, a first needle gear pin 23, a first spacing ring 24, a first cycloidal gear 25, a first eccentric bearing 26 and an inlet bearing 27.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1, the invention provides a cycloidal pin gear speed reducer, comprising an end cover 2, a first pin gear case 4, a middle flange 5, a second pin gear case 8 and a tailstock 13, wherein the end cover 2 is fixedly connected with one end of the first pin gear case 4 through a bolt, the other end of the first pin gear case 4 is fixedly connected with one end of the middle flange 5 through a bolt, the other end of the middle flange 5 is fixedly connected with one end of the second pin gear case 8 through a bolt, the other end of the second pin gear case 8 is fixedly connected with the tailstock 13 through a bolt, a first-stage speed reducing mechanism is arranged in the end cover 2 and the first pin gear case 4, a second-stage speed reducing mechanism is arranged in the tailstock 13 and the second pin gear case 8, the first-stage speed reducing mechanism is connected with the second-stage speed reducing mechanism through a transmission shaft 18, an input shaft 1 is rotatably connected to the end cover 2 through an inlet bearing 27, the input shaft 1 is connected to the first-stage speed, the output shaft 14 is connected to the two-stage reduction mechanism.
In this embodiment, the one-level reduction gears include first eccentric bearing 26, first drive disk 20 and two first cycloid wheels 25, first eccentric bearing 26 is fixed in on the input shaft 1, two first cycloid wheels 25 all rotate with the input shaft 1 through first eccentric bearing 26 and are connected, the fixed first round pin axle 22 that is equipped with of inserting of one end of first drive disk 20, first round pin axle 22 passes two first cycloid wheels 25 and is connected rather than the transmission through the pin bush, be equipped with a plurality of first pinion pins 23 on the inner wall of first pinion housing 4, first pinion pin 23 meshes with two first cycloid wheels 25 through the pin bush mutually.
Further, the input shaft 1 is in transmission connection with the first drive disk 20 through a bearing a3, the first drive disk 20 is in rotational connection with the intermediate flange 5 through a bearing B21, one end of the first drive disk 20, which is far away from the input shaft 1, is fixedly connected with the transmission shaft 18, and the transmission shaft 18 is in rotational connection with the intermediate flange 5 through a bearing C19.
Further, a first spacing ring 24 is arranged between the two first cycloidal gears 25, so that the first cycloidal gears 25 keep relative distance and run more stably.
In this embodiment, the secondary speed reducing mechanism includes the second eccentric bearing 6, the second drive plate 12 and two second cycloid wheels 10, the second eccentric bearing 6 is fixed on the transmission shaft 18, two second cycloid wheels 10 are all connected with the transmission shaft 18 through the second eccentric bearing 6 in a rotating manner, a second pin 11 is fixedly inserted in one end of the second drive plate 12, the second pin 11 passes through two second cycloid wheels 10 and is connected with the transmission thereof through a pin bush, a plurality of second pin pins 7 are arranged on the inner wall of the second pin housing 8, and the second pin pins 7 are engaged with the two second cycloid wheels 10 through the pin bush.
Further, the transmission shaft 18 is in transmission connection with the second transmission disc 12 through a bearing D17, the second transmission disc 12 is in rotational connection with the tailstock 13 through a bearing E16, and one end of the second transmission disc 12, which is far away from the transmission shaft 18, is fixedly connected with the output shaft 14.
Further, a second spacing ring 9 is arranged between the two second cycloidal gears 10, so that the second cycloidal gears 10 keep relative distance, and the running is more stable.
In the present embodiment, the first eccentric bearing 26 and the second eccentric bearing 6 are both 180 ° apart from each other in the eccentric direction, so that the inertia forces of the first cycloid gear 25 and the second cycloid gear 10 can be kept balanced.
When the invention is used, firstly, the output end of the motor is connected with the input shaft 1, the power is transmitted to the input shaft 1, the input shaft 1 starts to rotate, the first speed reduction function is realized through the first-stage speed reduction mechanism, then the weakened power is transmitted to the second-stage speed reduction mechanism through the transmission shaft 18, the second speed reduction function is realized through the second-stage speed reduction mechanism, so that the two-stage speed reduction is realized, and the speed reduction effect is better; simultaneously at the operation in-process, through setting up entry bearing, export bearing and bearing A, B, C, D, E for input shaft, driving plate and each driving plate are more stable at the transmission in-process, have effectively reduced the wearing and tearing of speed reducer, have improved life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A cycloidal pin gear speed reducer is characterized by comprising an end cover (2), a first pin gear shell (4), an intermediate flange (5), a second pin gear shell (8) and a tailstock (13), wherein the end cover (2) is fixedly connected with one end of the first pin gear shell (4) through a bolt, the other end of the first pin gear shell (4) is fixedly connected with one end of the intermediate flange (5) through a bolt, the other end of the intermediate flange (5) is fixedly connected with one end of the second pin gear shell (8) through a bolt, the other end of the second pin gear shell (8) is fixedly connected with the tailstock (13) through a bolt, a one-level speed reducing mechanism is arranged in the end cover (2) and the first pin gear shell (4), a second-level speed reducing mechanism is arranged in the tailstock (13) and the second pin gear shell (8), and the one-level speed reducing mechanism is connected with the second-level speed reducing mechanism through a transmission shaft (18), the end cover (2) is rotatably connected with an input shaft (1) through an inlet bearing (27), the input shaft (1) is connected with a first-stage speed reducing mechanism, the tailstock (13) is rotatably connected with an output shaft (14) through an outlet bearing (15), and the output shaft (14) is connected with a second-stage speed reducing mechanism.
2. The cycloidal pin gear reducer of claim 1 further comprising: one-level reduction gears includes first eccentric bearing (26), first drive disk (20) and two first cycloid wheels (25), on first eccentric bearing (26) was fixed in input shaft (1), two first cycloid wheel (25) all rotated through first eccentric bearing (26) and input shaft (1) and is connected, the one end of first drive disk (20) is fixed to be inserted and is equipped with first round pin axle (22), first round pin axle (22) pass two first cycloid wheels (25) and are connected rather than the transmission through the pin bush, be equipped with a plurality of first pinion pins (23) on the inner wall of first pinion housing (4), first pinion pin (23) mesh mutually through pinion bush and two first cycloid wheels (25).
3. The cycloidal pin gear reducer of claim 2 further comprising: input shaft (1) is connected with first drive disk (20) transmission through bearing A (3), first drive disk (20) are connected with intermediate flange (5) rotation through bearing B (21), the one end and transmission shaft (18) fixed connection of input shaft (1) are kept away from in first drive disk (20), transmission shaft (18) are connected with intermediate flange (5) rotation through bearing C (19).
4. The cycloidal pin gear reducer of claim 2 further comprising: a first spacing ring (24) is arranged between the two first cycloidal gears (25).
5. The cycloidal pin gear reducer of claim 1 further comprising: second grade reduction gears includes second eccentric bearing (6), second drive plate (12) and two second cycloid wheels (10), second eccentric bearing (6) are fixed in on transmission shaft (18), two second cycloid wheels (10) all rotate with transmission shaft (18) through second eccentric bearing (6) and are connected, the one end of second drive plate (12) is fixed to be inserted and is equipped with second round pin axle (11), second round pin axle (11) pass two second cycloid wheels (10) and are connected rather than the transmission through the pin bush, be equipped with a plurality of second pin gear round pins (7) on the inner wall of second pin gear shell (8), second pin gear round pin (7) mesh mutually with two second cycloid wheels (10) through the pin bush.
6. The cycloidal pin gear reducer of claim 5 further comprising: the transmission shaft (18) is in transmission connection with the second transmission disc (12) through a bearing D (17), the second transmission disc (12) is in rotation connection with the tailstock (13) through a bearing E (16), and one end, far away from the transmission shaft (18), of the second transmission disc (12) is fixedly connected with the output shaft (14).
7. The cycloidal pin gear reducer of claim 5 further comprising: a second spacing ring (9) is arranged between the two second cycloid gears (10).
8. The cycloidal pin gear reducer according to any one of claims 1-7, wherein: the first eccentric bearing (26) and the second eccentric bearing (6) are both 180 DEG in relation to each other in the direction of eccentricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023613.2A CN113108025A (en) | 2020-01-09 | 2020-01-09 | Cycloidal pin gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023613.2A CN113108025A (en) | 2020-01-09 | 2020-01-09 | Cycloidal pin gear speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN113108025A true CN113108025A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010023613.2A Pending CN113108025A (en) | 2020-01-09 | 2020-01-09 | Cycloidal pin gear speed reducer |
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| Country | Link |
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| CN (1) | CN113108025A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201023950Y (en) * | 2007-04-11 | 2008-02-20 | 天津减速机股份有限公司 | Gumming type two-stage cycloid deceleration electric roller |
| CN204041886U (en) * | 2014-07-03 | 2014-12-24 | 常州市金致机械制造有限公司 | Cycloid speed reducer |
| CN206347076U (en) * | 2016-12-19 | 2017-07-21 | 扬州大学 | A kind of combined type planet-cycloid reducer |
| US20190061146A1 (en) * | 2016-03-12 | 2019-02-28 | Shenzhen Llmachineco., Ltd. | Low-back-clearance robot speed reducer |
| CN209743506U (en) * | 2019-04-02 | 2019-12-06 | 绍兴杰成减速机械有限公司 | Stable cycloidal pin gear speed reducer |
-
2020
- 2020-01-09 CN CN202010023613.2A patent/CN113108025A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201023950Y (en) * | 2007-04-11 | 2008-02-20 | 天津减速机股份有限公司 | Gumming type two-stage cycloid deceleration electric roller |
| CN204041886U (en) * | 2014-07-03 | 2014-12-24 | 常州市金致机械制造有限公司 | Cycloid speed reducer |
| US20190061146A1 (en) * | 2016-03-12 | 2019-02-28 | Shenzhen Llmachineco., Ltd. | Low-back-clearance robot speed reducer |
| CN206347076U (en) * | 2016-12-19 | 2017-07-21 | 扬州大学 | A kind of combined type planet-cycloid reducer |
| CN209743506U (en) * | 2019-04-02 | 2019-12-06 | 绍兴杰成减速机械有限公司 | Stable cycloidal pin gear speed reducer |
Non-Patent Citations (1)
| Title |
|---|
| 张家瑞、李兴春: "《摆线族》", 31 January 2015, 哈尔滨工业大学出 * |
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Application publication date: 20210713 |