CN203686042U - Hollow sleeve type 2K-V precision speed reducer - Google Patents
Hollow sleeve type 2K-V precision speed reducer Download PDFInfo
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- CN203686042U CN203686042U CN201420065153.XU CN201420065153U CN203686042U CN 203686042 U CN203686042 U CN 203686042U CN 201420065153 U CN201420065153 U CN 201420065153U CN 203686042 U CN203686042 U CN 203686042U
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- crankshaft
- wheel
- speed reducer
- internal tooth
- hollow
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Abstract
The utility model relates to a hollow sleeve type 2K-V precision speed reducer. The hollow sleeve type 2K-V precision speed reducer is a planetary transmission mechanism formed by combining first-stage involute planetary transmission and second-stage cycloidal-pin wheel transmission and comprises a crankshaft and a planet gear, the planet gear is connected with the eccentric part of the crankshaft through a needle bearing, the planet gear is matched with an internal tooth enclosure through needle teeth fixed to the internal tooth enclosure, the crankshaft is connected with a synchronizing wheel, the synchronizing wheel is meshed with an input gear shaft, and therefore the variable transmission process is completed. Hollow design is adopted by the central part of the speed reducer, the design is used for allowing cable tubing to pass through the center when the speed reducer is arranged on primary equipment, and the speed reducer can be used to the maximum extent in limited space. The speed reducer has the advantages of being compact in structure, light, large in transmission ratio change range, capable of achieving high-efficiency, high-precision and high-rigidity transmission, reliable in work, long in service life and especially suitable for being used by joints of heavy-loaded industrial robots.
Description
Affiliated technical field
The utility model relates to a kind of hollow shell type 2K-V type accurate retarding machine.Solve specifically in the confined space big retarding ratio, highi degree of accuracy, the invention of the hollow speed reducer of large load, this invention relates to the fields such as industrial robot, radar, accurate medical treatment.
Background technique
At present, world wide mostly is day the design for the speed reducer of the products such as industrial robot and produces, and China there is no the ripe speed reducer that can meet the product uses such as industrial robot of independent development.
The transmission of domestic more similar products harmonic wave speed reducing machine is to realize transformation of speed and transmission of power by the radial elastic distortion of thin-walled flexible gear, its bearing capacity and transmission stiffness are relatively low, flexible gear is also easily because there is fatigue ruption in cyclic deformation simultaneously, in fact and be not suitable for use in heavy duty work therefore in being mainly used in, underloaded precision transmission system.And the speed reducer of the similar 2K-V structural design of part mostly is " solid " design is difficult to installation wiring in a lot of Environmental Conditions.
Summary of the invention
In order to overcome above-mentioned defect, the purpose of this utility model is to provide a kind of hollow shell type 2K-V type accurate retarding machine, particularly a kind of 2K-V type accurate retarding machine that is applicable to heavy-duty industrial robot, this hollow shell type 2K-V type accurate retarding machine has high efficiency, highi degree of accuracy, high rigidity, bearing capacity is strong, velocity ratio is large, long service life, space availability ratio high.
The utility model solves the technological scheme that its technical problem adopts:
1. comprise crankshaft, the planet wheel being connected with crankshaft eccentric part by pin tooth bearing, planet wheel matches by the pin tooth being fixed on internal tooth casing with internal tooth casing, on crankshaft, there are two eccentric positions that are staggered, on planet wheel, there are three uniform bearing holes that are connected with the eccentric position of crankshaft and offer three fan shaped boreholes, two planet wheels match with internal tooth casing by pin tooth respectively, crankshaft is connected with synchronizing wheel, synchronizing wheel is meshed with input gear axle, the both sides of internal tooth casing arrange respectively rigid disk and output disc, rigid disk, between output disc and internal tooth casing, be connected by angular contact ball bearing, crankshaft and rigid disk, spring bearing is set respectively between output disc, the fan-shaped post of output disc is through fan shaped borehole and the rigid disk concrete mutually of planet wheel.
2. between output disc and internal tooth casing, pass through oil sealing sealing.
3. the synchronizing wheel being meshed with input gear axle has three and be distributed on rigid disk one side, and three synchronizing wheels are connected with three crankshafts respectively; Planet wheel is provided with three fan shaped boreholes, and fan shaped borehole is spaced with the bearing hole being connected with crankshaft on planet wheel.
4. hollow shell type 2K-V type accurate retarding machine has two planet wheels, and two planet wheels, 180 degree that are staggered are arranged.
5. the division center of the output disc (21) of hollow shell type 2K-V type accurate retarding machine, planet wheel (2) rigid disk (4), main hollow wheel gear (7) is via design, and runs through complete machine by hollow sleeve (9).
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: internal tooth casing, (1) planet wheel, (2) adjust packing ring, (3) rigid disk, (4) socket head screw, (5) taper pin with internal thread, (6) main hollow wheel gear, (7) deep groove ball bearing, (8) hollow sleeve, (9) tapered roller bearing, (10) positioning ring, (11) axle check ring, (12) crankshaft, (13) pin tooth bearing, (14) synchronizing wheel, (15) angular contact ball bearing, (16) O RunddichtringO, (17) pin tooth, (18) end ring, (19) oil sealing, (20) output disc, (21).
Embodiment
As shown in the figure, the utility model mainly comprises crankshaft (13), the eccentric position of crankshaft (13) is connected with planet wheel (2) by pin tooth bearing (14), planet wheel (2) matches by the pin tooth (18) being fixed on internal tooth casing (1) with internal tooth casing (1), on crankshaft (13), there are two biasing posts that are staggered, the outer planet wheel (2) connecting of each biasing post 180 degree that are staggered are arranged, and on two planet wheels (2), all offer three fan shaped boreholes, fan shaped borehole is spaced with the upper bearing hole being connected with crankshaft (13) of planet wheel (2).Internal tooth casing (1) both sides arrange respectively rigid disk (4) and output disc (21), between rigid disk (4), output disc (21) and internal tooth casing (1), be connected by angular contact ball bearing (10), between output disc (21) and internal tooth casing (1), sealed by oil sealing (20), the fan-shaped post of output disc (21) passes through screw (5) concrete mutually through fan shaped borehole and the rigid disk (4) of planet wheel (2), and by three taper pins (6) location, crankshaft (13) is supported on rigid disk (4) and output disc (21) by tapered roller bearing, and by being fixed on the shaft shoulder axially locating on circlip for hole (3) and the output disc (21) on rigid disk (4), crankshaft (13) is connected with synchronizing wheel (15), synchronizing wheel (15) is meshed with main hollow wheel gear (7), the synchronizing wheel (15) being meshed with main hollow wheel gear (7) has three to be distributed on rigid disk (4) one sides, and between main hollow wheel gear (7) and rigid disk (4), deep groove ball bearing (16) is set.Specific design of the present utility model is: main hollow wheel gear (7) is meshed with three synchronizing wheels (15), pass motion to the crankshaft (13) being connected with synchronizing wheel (15), on the eccentric position of crankshaft (13), have pin tooth bearing (14).Two planet wheels (2), 180 degree that are staggered are arranged on the pin tooth bearing of crankshaft (13), and the inner hole surface of planet wheel (2) is directly as raceway.Pin tooth (18) and internal tooth casing (1) composition pinwheel, pin tooth (18) is straight pin, match with the semicircle teeth groove of internal tooth casing (1) one circle in the cylndrical surface of pin tooth (18).The rotation of crankshaft (13) passes to planet wheel (2), planet wheel (2) is revolved round the sun around speed reducer center, planet wheel (2) is meshed with pinwheel, make planet wheel (2) produce rotation, the rotation of planet wheel (2) passes to output disc (21) by parallelogram sturcutre constant speed.Hollow sleeve (9) is connected with bolt with output disc (21) and uses the sealing of O type circle, output disc (21), planet wheel (2) rigid disk (4), main hollow wheel gear (7) adopt central through bore structural design, and run through complete machine by hollow sleeve (9).Under common working state, can make internal tooth casing (1) fixing, main hollow wheel gear (7) passes motion to crankshaft (13) by three synchronizing wheels (15), and crankshaft (13) passes motion to two planet wheels (2) by the pin tooth bearing on its eccentric position.Planet wheel (2) and internal tooth casing (1) are intermeshing, realize retarded motion.
Claims (5)
1. a hollow shell type 2K-V type accurate retarding machine, comprise crankshaft, the planet wheel being connected with crankshaft eccentric part by pin tooth bearing, planet wheel matches by the pin tooth being fixed on internal tooth casing with internal tooth casing, it is characterized in that the eccentric position that has two to be staggered on crankshaft (13), on planet wheel (2), there are three uniform bearing holes that are connected with the eccentric position of crankshaft (13), and offer three fan shaped boreholes, two planet wheels (2) match with internal tooth casing (1) by pin tooth (18) respectively, crankshaft (13) is connected with synchronizing wheel (15), synchronizing wheel (15) is meshed with main hollow wheel gear (7), the both sides of internal tooth casing (1) arrange respectively rigid disk (4) and output disc (21), rigid disk (4), between output disc (21) and internal tooth casing (1), be connected by angular contact ball bearing (16), crankshaft (13) and rigid disk (4), spring bearing (10) is set respectively between output disc (21), the fan-shaped post of output disc (21) is through fan shaped borehole and rigid disk (4) concrete mutually of planet wheel (2).
2. hollow shell type 2K-V type accurate retarding machine according to claim 1, is characterized in that being sealed by oil sealing (20) between output disc (21) and internal tooth casing (1).
3. hollow shell type 2K-V type accurate retarding machine according to claim 1 and 2, it is characterized in that main hollow wheel gear (7) is the duplicate gear disking body of central through bore, and be meshed with three and the synchronizing wheel (15) that is distributed on rigid disk (4) one sides, three synchronizing wheels (15) are connected with three crankshafts (13) respectively.
4. hollow shell type 2K-V type accurate retarding machine according to claim 3, is characterized in that hollow shell type 2K-V type accurate retarding machine has two planet wheels (2), and two planet wheels, 180 degree that are staggered are arranged.
5. hollow shell type 2K-V type accurate retarding machine according to claim 1 and 2, it is characterized in that hollow shell type 2K-V type accurate retarding machine output disc (21), planet wheel (2) rigid disk (4), main hollow wheel gear (7) adopt central through bore structural design, and run through complete machine by hollow sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065153.XU CN203686042U (en) | 2014-02-12 | 2014-02-12 | Hollow sleeve type 2K-V precision speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065153.XU CN203686042U (en) | 2014-02-12 | 2014-02-12 | Hollow sleeve type 2K-V precision speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686042U true CN203686042U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065153.XU Expired - Fee Related CN203686042U (en) | 2014-02-12 | 2014-02-12 | Hollow sleeve type 2K-V precision speed reducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203686042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534031A (en) * | 2015-01-05 | 2015-04-22 | 西北工业大学 | Transmission device for robot joint |
| CN104879449A (en) * | 2014-02-28 | 2015-09-02 | 天津瑞博思传动科技有限公司 | Center-holed 2K-V planetary transmission |
| CN106996437A (en) * | 2016-01-22 | 2017-08-01 | 广州长仁工业科技有限公司 | The hollow reductor of RV planet cycloids |
| CN109058393A (en) * | 2018-10-31 | 2018-12-21 | 南京高速齿轮制造有限公司 | Eccentrically arranged type mechanical reduction gear |
-
2014
- 2014-02-12 CN CN201420065153.XU patent/CN203686042U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879449A (en) * | 2014-02-28 | 2015-09-02 | 天津瑞博思传动科技有限公司 | Center-holed 2K-V planetary transmission |
| CN104534031A (en) * | 2015-01-05 | 2015-04-22 | 西北工业大学 | Transmission device for robot joint |
| CN106996437A (en) * | 2016-01-22 | 2017-08-01 | 广州长仁工业科技有限公司 | The hollow reductor of RV planet cycloids |
| CN109058393A (en) * | 2018-10-31 | 2018-12-21 | 南京高速齿轮制造有限公司 | Eccentrically arranged type mechanical reduction gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ROBOX TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI BINRUI Effective date: 20150408 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150408 Address after: 300222 Tianjin City, Hexi District Dagu Road, Golden Bay Garden, No. 12 4-302 Patentee after: TIANJIN ROBOX TRANSMISSION TECHNOLOGY CO.,LTD. Address before: 300222 Tianjin City, Hexi District Dagu Road, Golden Bay Garden, No. 12 4-302 Patentee before: Li Binrui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20220212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |