CN104354719A - Two-stage planetary speed reduction type switch machine driven by external alternating current servo synchronous motor - Google Patents
Two-stage planetary speed reduction type switch machine driven by external alternating current servo synchronous motor Download PDFInfo
- Publication number
- CN104354719A CN104354719A CN201410605315.9A CN201410605315A CN104354719A CN 104354719 A CN104354719 A CN 104354719A CN 201410605315 A CN201410605315 A CN 201410605315A CN 104354719 A CN104354719 A CN 104354719A
- Authority
- CN
- China
- Prior art keywords
- servo synchronous
- switch machine
- alternating current
- synchronous motor
- stage planetary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
Abstract
The invention discloses a two-stage planetary speed reduction type switch machine driven by an external alternating current servo synchronous motor. The two-stage planetary speed reduction type switch machine comprises the alternating current servo synchronous motor, wherein an output shaft of the alternating current servo synchronous motor is connected with a ball screw through two-stage planetary speed reduction; a screw nut is connected with an actuation sleeve; an actuation head connected with the end part of the actuation sleeve is used for connecting with a rail; the front end of the ball screw is supported in the actuation sleeve through a bearing; a square input shaft is processed at the end part of a main shaft of the alternating current servo synchronous motor; at the beginning, the actuation sleeve is in a contraction state, and a torque of the alternating current servo synchronous motor is transmitted to the ball screw after being amplified by a two-stage planetary gear system; the screw nut drives the actuation sleeve connected with the screw nut, and the actuation head outputs axial thrust serving as conversion force of the switch machine; when the conversion direction is changed, the alternating current servo synchronous motor rotates anticlockwise, and a planetary speed reducer, a ball screw pair, the actuation sleeve and the actuation head are combined to output linear pulling force to finish conversion operation. According to the two-stage planetary speed reduction type switch machine driven by the external alternating current servo synchronous motor, the structure is simplified, the precision is improved, and the reliability is guaranteed.
Description
Technical field
The present invention relates to railway switch machine technical field, be specifically related to a kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives.
Background technology
Point machine is a kind of track switch crossover kit generally used in field of track traffic, it can change the connection direction of track switch as required, locking track switch after switching motion completes, prevent external force from changing track switch on-state, and expression and supervision are provided to the coupled condition between tongue and stock rail.Along with track traffic is constantly raised speed, track amount is on the increase, and the connection between track switch becomes increasingly complex, and therefore has higher requirement to the reliability of switch machine work and responsiveness.Existing electric switch machine adopts DC motor or AC induction motor to drive, motor output torque drives rack-and-gear or the ball-screw motion of next stage after multi-stage gear auxiliary driving, the tediously long complex structure that makes of messenger chain is huge, and open loop system also must bring control accuracy and the lower problem of reliability.Compared to DC motor or AC asynchronous motor, AC servomotor when speed governing can more accurate and flexible, low speed time the torque that exports large and coordinates with computing machine and can realize more accurate failure-free and control, therefore become more and more important driver element.The physical construction transmission link of the advantage of AC servomotor after simplifying is combined, improve work efficiency, the loss of significance at transmission link is reduced greatly, therefore the utilization of this technology on switch machine will improves the performance of switch machine greatly.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of this invention is to provide a kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives, simplified structure, improving precision, ensure reliability.
For achieving the above object, the technical solution used in the present invention is:
A kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives, comprise AC servo synchronous dynamo 1, AC servo synchronous dynamo 1 and switch machine casing 2 are connected and fixed, and meanwhile, AC servo synchronous dynamo 1 output shaft and primary center are taken turns 7 keys and be connected; Primary center takes turns uniform four the primary planet gears 6 of 7 exterior annular, and primary planet gear 6 utilizes external toothing 5 to lead; External toothing 5 is fixed on retarder side shell 3 by abutment sleeve 4; Primary planet gear 6 is connected on primary planet wheel adapter shaft 10, and primary planet wheel adapter shaft 10 is fixed on primary planet frame 9, and primary planet frame 9 is connected with secondary input shaft 11; Secondary input shaft 11 is connected with secondary centre wheel 12, and secondary centre wheel 12 is connected with secondary pinion carrier 15 by secondary planetary wheel 13, secondary satellite gear adapter shaft 14; Secondary pinion carrier 15 is connected with ball-screw 17; Retarder end cap 16 is fixed with switch machine casing 2 and retarder side shell 3; Roller screw 17 is supported in pilot sleeve 20 through tapered roller bearing 18; Feed screw nut 19 is connected with action sleeve 21, and the moving head 26 that action sleeve 21 end connects is for the connection with track; Roller screw 17 front end utilizes bearing 24 to be supported in action sleeve 21; Two indication rods 25 are connected with indication rod front end sleeve 27 by indication rod rear end sleeve 23; The motor driver 22 of AC servo synchronous dynamo 1 is arranged in casing; Switch machine casing 2 and switch machine case lid 30 are processed with locking rod 29 and locking button 28 respectively.
Described satellite gear adapter shaft 10 is provided with the first circlip 31 with planetary wheel 6 cooperation place.
Described ball-screw 17 front end and bearing 24 cooperation place are provided with the second circlip 32.
Described AC servo synchronous dynamo 1 spindle nose processes square input shaft.
The invention has the advantages that:
Adopt AC servo synchronous dynamo 1 to replace DC machine in original switch machine or AC induction motor, improve control accuracy.
The axial force adopting action sleeve 21 to be produced by feed screw nut 19 exports, and structure is simple, and performance element does not bear moment of flexure, is conducive to ensureing laser intensity.
Electric machine main shaft end processes square input shaft, can manually ensure that track switch is changed when motorized motions et out of order.
Accompanying drawing explanation
Fig. 1 is vertical view cutaway drawing of the present invention.
Fig. 2 is left view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
See figures.1.and.2, a kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives, comprise AC servo synchronous dynamo 1, AC servo synchronous dynamo 1 is connected and fixed by bolt and switch machine casing 2, AC servo synchronous dynamo 1 output shaft and primary center are taken turns 7 keys and are connected, and utilize socket head cap screw and baffle plate 8 to be fixed on the output shaft of AC servo synchronous dynamo 1 by primary center wheel 7; Primary center takes turns uniform four the primary planet gears 6 of 7 exterior annular, and primary planet gear 6 utilizes external toothing 5 to lead; External toothing 5 is fixed on retarder side shell 3 by abutment sleeve 4; Primary planet gear 6 is connected on primary planet wheel adapter shaft 10, primary planet wheel adapter shaft 10 is fixed on primary planet frame 9, primary planet frame 9 is connected with secondary input shaft 11, the torque that primary planet gear 6 exports passes to primary planet frame 9, by being passed to secondary input shaft 11 by key via primary planet wheel adapter shaft 10; Secondary input shaft 11 is connected with secondary centre wheel 12 by flat key, secondary input shaft 11 drives secondary centre to take turns 12 rotations, secondary centre wheel 12 is connected with secondary pinion carrier 15 by secondary planetary wheel 13, secondary satellite gear adapter shaft 14, gives secondary pinion carrier 15 by transmission of torque; Secondary pinion carrier 15 is connected with ball-screw 17 by flat key, drives ball-screw auxiliary driving; Retarder end cap 16 is fixed by tie bolt and retarder side shell 3 with switch machine casing 2; Roller screw 17 is supported in pilot sleeve 20 through tapered roller bearing 18; Feed screw nut 19 and action sleeve 21 are connected by screw, and the moving head 26 that action sleeve 21 end connects is for the connection with track; Roller screw 17 front end utilizes bearing 24 to be supported in action sleeve 21; Two indication rods 25 are connected with indication rod front end sleeve 27 by indication rod rear end sleeve 23, carry out leading and locating; The motor driver 22 of AC servo synchronous dynamo 1 is arranged in casing; Switch machine casing 2 and switch machine case lid 30 are processed with locking rod 29 and locking button 28, respectively for the locking of switch machine; The switching motion of switch machine is completed by the rotating controlling AC servo synchronous dynamo 1.
Described primary planet wheel adapter shaft 10 is provided with the first circlip 31 with primary planet gear 6 cooperation place.
Described ball-screw 17 front end and bearing 24 cooperation place are provided with the second circlip 32.
Described AC servo synchronous dynamo 1 spindle nose processes square input shaft, can manually ensure that track switch is changed when motorized motions et out of order.
Principle of work of the present invention is:
Action sleeve 21 is initially located in retracted mode, open AC servo synchronous dynamo 1, motor shaft drives primary center wheel 7 to rotate, torque passes to ball-screw 17 by secondary pinion carrier 15 after two-stage planet system amplifies, feed screw nut 19 drives connected action sleeve 21, moving head 26 exports the conversion power of axial thrust as switch machine, when conversion direction changes, AC servo synchronous dynamo 1 reverses, via planetary reduction gear, ball screw assembly, and action sleeve 21, moving head 26 array output straight pull, complete switching motion.
Claims (4)
1. the two-stage planetary reduction gear formula switch machine of an external AC servo synchronous machine drives, comprise AC servo synchronous dynamo (1), it is characterized in that: AC servo synchronous dynamo (1) and switch machine casing (2) are connected and fixed, meanwhile, AC servo synchronous dynamo (1) output shaft is taken turns (7) key and is connected with primary center; Uniform four the primary planet gears (6) of primary center wheel (7) exterior annular, primary planet gear (6) utilizes external toothing (5) to lead; External toothing (5) is fixed on retarder side shell (3) by abutment sleeve (4); Primary planet gear (6) is connected on primary planet wheel adapter shaft (10), primary planet wheel adapter shaft (10) is fixed on primary planet frame (9), and primary planet frame (9) is connected with secondary input shaft (11); Secondary input shaft (11) is connected with secondary centre wheel (12), and secondary centre wheel (12) is connected with secondary pinion carrier (15) by secondary planetary wheel (13), secondary satellite gear adapter shaft (14); Secondary pinion carrier (15) is connected with ball-screw (17); Retarder end cap (16) is fixed with switch machine casing (2) and retarder side shell (3); Roller screw (17) is supported in pilot sleeve (20) through tapered roller bearing (18); Feed screw nut (19) is connected with action sleeve (21), and the moving head (26) that action sleeve (21) end connects is for the connection with track; Roller screw (17) front end utilizes bearing (24) to be supported in action sleeve (21); Two indication rods (25) are connected with indication rod front end sleeve (27) by indication rod rear end sleeve (23); The motor driver (22) of AC servo synchronous dynamo (1) is arranged in casing; Switch machine casing (2) and switch machine case lid (30) are processed with locking rod (29) and locking button (28) respectively.
2. the two-stage planetary reduction gear formula switch machine of a kind of external AC servo synchronous machine drives according to claim 1, is characterized in that: described satellite gear adapter shaft (10) and planetary wheel (6) cooperation place are provided with the first circlip (31).
3. the two-stage planetary reduction gear formula switch machine of a kind of external AC servo synchronous machine drives according to claim 1, is characterized in that: described ball-screw (17) front end and bearing (24) cooperation place are provided with the second circlip (32).
4. the two-stage planetary reduction gear formula switch machine of a kind of external AC servo synchronous machine drives according to claim 1, is characterized in that: described AC servo synchronous dynamo (1) spindle nose processes square input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410605315.9A CN104354719B (en) | 2014-10-31 | 2014-10-31 | A kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410605315.9A CN104354719B (en) | 2014-10-31 | 2014-10-31 | A kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354719A true CN104354719A (en) | 2015-02-18 |
| CN104354719B CN104354719B (en) | 2016-02-24 |
Family
ID=52522071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410605315.9A Expired - Fee Related CN104354719B (en) | 2014-10-31 | 2014-10-31 | A kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354719B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575547A (en) * | 2017-07-13 | 2018-01-12 | 重庆大学 | A kind of split type tail pylon latch gear electric transmission machanism and its locking taper method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2721485C1 (en) * | 2019-12-12 | 2020-05-19 | Ассистирующие Хирургические Технологии (Аст), Лтд | Combined manipulator of robotosurgical complex |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1541441A1 (en) * | 2003-12-08 | 2005-06-15 | Alcatel | Method for determining the active power of a three-phase motor and electronic railway switch control |
| CN2868798Y (en) * | 2005-11-11 | 2007-02-14 | 林亚伟 | AC electric switch machine |
| CN201772027U (en) * | 2010-09-10 | 2011-03-23 | 大连交通大学 | Pin-cycloid planetary reduction gear device for a quick-acting switch machine |
| FR2989049A1 (en) * | 2012-04-10 | 2013-10-11 | Pascal Teyssier | Switch operating mechanism for railway infrastructure, has ball screw maintained in translation along directions by bearings interdependent of stages and transmitting energy multiplied in translatory movement along directions with trolley |
-
2014
- 2014-10-31 CN CN201410605315.9A patent/CN104354719B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1541441A1 (en) * | 2003-12-08 | 2005-06-15 | Alcatel | Method for determining the active power of a three-phase motor and electronic railway switch control |
| CN2868798Y (en) * | 2005-11-11 | 2007-02-14 | 林亚伟 | AC electric switch machine |
| CN201772027U (en) * | 2010-09-10 | 2011-03-23 | 大连交通大学 | Pin-cycloid planetary reduction gear device for a quick-acting switch machine |
| FR2989049A1 (en) * | 2012-04-10 | 2013-10-11 | Pascal Teyssier | Switch operating mechanism for railway infrastructure, has ball screw maintained in translation along directions by bearings interdependent of stages and transmitting energy multiplied in translatory movement along directions with trolley |
Non-Patent Citations (1)
| Title |
|---|
| 何卫东等: "ZD6型电动转辙机行星减速器的研究", 《大连铁道学院学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575547A (en) * | 2017-07-13 | 2018-01-12 | 重庆大学 | A kind of split type tail pylon latch gear electric transmission machanism and its locking taper method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104354719B (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202294949U (en) | Electric power steering system of off-highway vehicle | |
| CN201304581Y (en) | Feed structure with motor driving ball screw nut to rotate | |
| CN104354719B (en) | A kind of two-stage planetary reduction gear formula switch machine of external AC servo synchronous machine drives | |
| CN105312467A (en) | Numerical control electric screw press driven by permanent magnet synchronous linear servo motor | |
| TWI313094B (en) | ||
| CN101314168A (en) | Servo turning feeding in continuous material feeding arrangement system of cold pilger mill | |
| CN102528529B (en) | Frequency-conversion speed-regulation feed box | |
| CN201895231U (en) | Main shaft transmission device of milling and boring machine | |
| CN102126151B (en) | Spindle transmission device of milling and boring machine | |
| CN103286134A (en) | Core rod clamping mechanism of double-roller cold reducing mill | |
| CN201339694Y (en) | Improved feeding transmission mechanism for turret digital control punch | |
| CN104325995B (en) | A kind of planetary reduction gear formula switch machine of built-in AC servo synchronous machine drives | |
| CN104401362B (en) | The two-stage planetary reduction gear formula switch machine that a kind of switch magnetic flow permanent magnet synchronous motor drives | |
| CN104907870A (en) | Driving mechanism of electric main shaft lock blade | |
| CN201196253Y (en) | Main transmission mechanism of full electric servo ball screw type numerical control turret punch press | |
| CN203125321U (en) | Feeding mechanism of vertical surface grinding machine with round table | |
| CN202741748U (en) | Spindle box of numerical control floor type boring and milling machine | |
| CN2937166Y (en) | Running control system for driving mechanism of rover | |
| CN204415182U (en) | A kind of railless electric flatcar | |
| CN201646841U (en) | Automobile electric power-assisted steering device directly driven by motor | |
| CN205111401U (en) | Horizontal feed mechanism | |
| CN112374067A (en) | A novel switching equipment for work piece changes line transportation | |
| CN206230911U (en) | Hydraulic press servomotor levelling device | |
| CN202953719U (en) | Reversing device | |
| CN103934478A (en) | Two-axis driving method and mechanism of main shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20160224 Termination date: 20181031 |