CN109404506B - Automatic electric jigger - Google Patents
Automatic electric jigger Download PDFInfo
- Publication number
- CN109404506B CN109404506B CN201811493513.5A CN201811493513A CN109404506B CN 109404506 B CN109404506 B CN 109404506B CN 201811493513 A CN201811493513 A CN 201811493513A CN 109404506 B CN109404506 B CN 109404506B
- Authority
- CN
- China
- Prior art keywords
- clutch
- shaft
- jigger
- clutch shaft
- thread section
- 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.)
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Links
- 241001584775 Tunga penetrans Species 0.000 title claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- F16H35/00—Gearings or mechanisms with other special functional features
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
Abstract
The invention relates to a full-automatic electric jigger device, which comprises a motor, a speed reducer, a clutch, an axial displacement output device and a travel switch, wherein the clutch comprises a pair of bevel gears, a spline shaft, a transmission shaft, a clutch shaft, an electromagnet, a first coil opposite to the magnetic pole of the electromagnet and a second coil identical to the magnetic pole of the electromagnet; a small bevel gear of the pair of bevel gears is sleeved on an output shaft of the speed reducer, and a large bevel gear and a transmission shaft are arranged on the same spline shaft through splines; the excircle of the transmission shaft is provided with an external thread section which is matched and connected with an internal thread section of the inner hole of the clutch shaft; a disc turning gear is arranged on the outer circle of the clutch shaft, and an electromagnet is embedded in the end face of the clutch shaft; the clutch box body is provided with a first coil, a second coil, an axial displacement output device and a travel switch. The invention adopts the electromagnet and the two coils to form the rotation speed difference of the clutch shaft and the internal and external threads engaged with each other when the transmission shaft synchronously rotates, so that the clutch shaft axially moves along the thread section, and the automatic engagement and the automatic disengagement of the jigger are realized.
Description
Technical Field
The invention relates to an electric jigger device, in particular to an electric jigger device which realizes automatic clutch by utilizing the rotation speed difference of mutual engagement of internal and external threads by utilizing electromagnetic force.
Background
The rotating machinery needs to jigger the rotor before starting or after stopping to check whether friction exists between static and dynamic parts of the equipment, and whether the rotor camber is normal or not, so as to prevent faults and improve the service life of the rotor. Chinese patent 200620104665.8 describes an electric jigger device comprising an electric motor, a speed reducer and a clutch. The clutch realizes the speed difference of the mutual engagement of the internal thread and the external thread through the mode that the ratchet wheel at the rear part of the outer wall of the transmission sleeve is matched with the pawl at the rear part of the inner part of the output sleeve, so that the clutch shaft moves axially along the thread section, and further the engagement of the turning gear and the driven gear is realized, and turning is performed. When the rotating speed of the rotor where the driven gear is positioned exceeds the rotating speed of the jigger gear shaft or the jigger gear shaft is reversed, the separation of the jigger gear and the driven gear is realized by utilizing the rotating speed difference of the two shafts. According to the jigger device, the driven gear is directly sleeved on the rotor of the rotary machine or directly connected with the rotor through the flange, the pawl of the jigger device is required to be arranged on the driven gear, the dynamic balance performance of the rotor is influenced, and the phase difference of the unbalance amount of the rotor under different dynamic balance rotating speeds is caused on the dynamic balancing machine. Particularly, after the ratchet wheel or the torsion spring for restraining the ratchet wheel is maintained and replaced on site, the influence factors are larger, and the vibration level of the rotary machine is influenced. In addition, when the torsion spring continuously works for a long time under the environment condition of continuous vibration, the torsion spring can fail, so that the pawl is thrown out and collides with the ratchet wheel, and the failure is caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a full-automatic jigger device which utilizes electromagnetic force to form the rotation speed difference of the mutual engagement of internal and external threads of a clutch and realizes full-automatic clutch.
The technical scheme of the invention is as follows: the full-automatic electric jigger comprises a motor, a speed reducer, a clutch, an axial displacement output device and a travel switch, wherein the clutch comprises a pair of bevel gears, a spline shaft, a transmission shaft, a clutch shaft, an electromagnet, a first coil opposite to the magnetic pole of the electromagnet and a second coil identical to the magnetic pole of the electromagnet; a small bevel gear of the pair of bevel gears is sleeved on an output shaft of the speed reducer, and a large bevel gear and a transmission shaft are arranged on the same spline shaft through splines; the excircle of the transmission shaft is provided with an external thread section which is matched and connected with an internal thread section of the inner hole of the clutch shaft; a disc turning gear is arranged on the outer circle of the clutch shaft, and an electromagnet is embedded in the end face of the clutch shaft; the clutch box body is provided with a first coil, a second coil, an axial displacement output device and a travel switch; the clutch shaft is attracted or repelled between the electromagnet and the two coils to form a rotation speed difference which is meshed with the external threads of the transmission shaft, so that the clutch shaft moves axially along the thread section, and automatic meshing and automatic disconnection of jiggering are realized.
Further, when the coil I is electrified, the motor is electrified with forward current, after the motor rotates forward, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form a friction force meshed with each other under the action of attraction force between the electromagnet and the coil I, so that the clutch shaft and the transmission shaft cannot keep coaxial rotation to form a rotating speed difference, the clutch shaft realizes forward axial movement through the meshing of the thread sections, and when the clutch shaft advances to a meshing position, the jigger gear is meshed with a jigger gear arranged on a rotary mechanical rotor to jigger.
Further, when the coil II is electrified, the motor is electrified with reverse current, after the motor is reversed, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form mutually meshed reverse friction force under the action of repulsive force between the electromagnet and the coil II and tangential force between the turning gear and the driven gear, so that the clutch shaft realizes reverse axial movement through reverse meshing of the thread section, the turning gear is separated from the driven gear arranged on the rotary mechanical rotor, and turning is stopped.
Further, when the jigger device works, the rotary machine starts until the rotating speed of the rotor is greater than the rotating speed of the clutch shaft, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form mutually meshed reverse friction force under the action of reverse tangential force between the jigger gear and the jigger gear, so that the clutch shaft realizes reverse axial movement through the reverse meshing of the thread sections, and the jigger gear is separated from the jigger gear arranged on the rotor of the rotary machine to stop jigger.
Further, the axial displacement output device comprises a rod piece and a spring, wherein the rod piece is propped against the end face of the clutch shaft through the spring, the other end of the rod piece is provided with an inclined plane and penetrates through the clutch box body to be in contact connection with the travel switch, and two ends of the spring are respectively connected with the rod piece and the protrusions on the clutch box body.
Further, a limit sleeve is arranged between the rod piece and the clutch box body so as to prevent the rod piece from deflecting.
Further, the rod piece is propped against one end of the end face of the clutch shaft and is also embedded with a ball, and the ball can freely roll in the rod piece.
The beneficial effects of the invention are as follows:
the invention adopts the electromagnet to form the rotation speed difference of the internal and external threads engaged with each other when the clutch shaft and the transmission shaft synchronously rotate, so that the clutch shaft axially moves along the thread section to realize the automatic engagement and automatic disengagement of the jigger
The invention avoids arranging the movable component on the rotor of the rotary machine, can not influence the dynamic balance performance of the rotor, avoids misoperation and the occurrence of faults of the movable component, and ensures the safe reliability of equipment operation.
The compact structural arrangement form of the invention is beneficial to the miniaturization design of the rotary machine.
Drawings
FIG. 1 is one of the cross-sectional views of the fully automatic electric jigger apparatus of the present invention;
FIG. 2 is a second cross-sectional view of the fully automatic electric jigger of the present invention;
FIG. 3 is a schematic diagram of the arrangement of the first coil, second coil and axial displacement output of the present invention;
fig. 4 is a cross-sectional view of the axial displacement output of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following examples.
As shown in fig. 1 and 2, a full-automatic electric jigger device comprises a motor 9, a speed reducer 8, a clutch 10, an axial displacement output 12 and a travel switch 5. The clutch 10 includes a pair of bevel gears 7, a spline shaft 1, a transmission shaft 11, a clutch shaft 6, an electromagnet 4, a first coil 3 opposite to the electromagnet pole, and a second coil 2 identical to the electromagnet pole. The small bevel gears of the pair of bevel gears 7 are sleeved on the output shaft of the speed reducer 8, and the large bevel gears and the transmission shaft 11 are arranged on the same spline shaft 1 through splines. The outer circle of the transmission shaft 11 is provided with an external thread section c which is matched with an internal thread section b of the inner hole of the clutch shaft 6. The excircle of the clutch shaft 6 is provided with a turning gear alpha, and the end face of the clutch shaft 6 is embedded with an electromagnet 4. As shown in fig. 1, 3 and 4, the first coil 3, the second coil 2, the axial displacement output device 12 and the travel switch 5 are fixedly mounted on the clutch housing. The rod of the axial displacement output 12 is pressed against the end face of the clutch shaft 6 by a spring 13. The other end of the lever is provided with an inclined plane, and the lever is in contact connection with the travel switch 5 and interacts with the travel switch when the output clutch is axially displaced. As shown in fig. 4, the two ends of the spring 13 are respectively connected with the rod and the protrusion on the clutch box, and the movement of the rod is matched with the outer circle/inner hole on the limit sleeve 14 through the inner hole/outer circle of the rod to prevent deflection. The axial displacement output device is used for realizing the output of the axial displacement of the clutch and controlling the opening and closing of the travel switch.
The working process of the full-automatic electric jigger device is as follows: as shown in fig. 2, the first coil 3 is energized, meanwhile, the motor 9 is energized with a forward current, and the internal thread section of the clutch shaft 6 and the external thread section of the transmission shaft 11 form a frictional force engaged with each other under the action of attraction force between the electromagnet 4 and the first coil 3, so that the clutch shaft 6 and the transmission shaft 11 cannot keep coaxial rotation, and a rotational speed difference is formed, so that the clutch shaft 6 realizes forward axial movement through engagement of the thread sections, and when the clutch shaft advances to an engagement position, the jigger gear alpha is engaged with a driven gear 16 arranged on a rotor of the rotary machine to perform jigger. Simultaneously, the inclined plane at the other end of the rod piece of the axial displacement output device 12 enables the travel switch 5 to be attracted, and the electromagnet 4 is powered off. The second coil 2 is electrified, meanwhile, the motor 9 is electrified with reverse current, when the motor 9 is reversed, the internal thread section b of the clutch shaft 6 and the external thread section c of the transmission shaft 11 form mutually meshed reverse friction force under the action of repulsive force between the electromagnet 4 and the second coil 2 and tangential force between the jigger gear alpha and the jigger gear 16, so that the clutch shaft 6 realizes reverse axial movement through the reverse meshing of the thread sections, the jigger gear alpha is separated from the jigger gear 16 arranged on the rotor of the rotary machine, and jigger is stopped. Simultaneously, the inclined plane at the other end of the rod piece of the axial displacement output device 12 enables the travel switch 5 to be disconnected, and the electromagnet 4 is powered off. When the jigger works, the rotary machine starts until the rotating speed of the rotor is greater than that of the clutch shaft 6, the internal thread section b of the clutch shaft 6 and the external thread section c of the transmission shaft form mutually meshed reverse friction force under the action of reverse tangential force between the jigger gear alpha and the driven gear 16, so that the clutch shaft 6 realizes reverse axial movement through the reverse meshing of the thread sections, the jigger gear alpha is separated from the driven gear 16 arranged on the rotor of the rotary machine, and jigger is stopped. Simultaneously, the inclined plane at the other end of the axial displacement output rod piece enables the travel switch 5 to be disconnected, and the electromagnet 4 and the motor 9 are powered off.
Claims (7)
1. The utility model provides a full-automatic electronic jigger device, includes motor, speed reducer, clutch, axial displacement follower and travel switch, its characterized in that: the clutch comprises a pair of bevel gears, a spline shaft, a transmission shaft, a clutch shaft, an electromagnet, a first coil opposite to the magnetic pole of the electromagnet and a second coil identical to the magnetic pole of the electromagnet; a small bevel gear of the pair of bevel gears is sleeved on an output shaft of the speed reducer, and a large bevel gear and a transmission shaft are arranged on the same spline shaft through a spline; the excircle of the transmission shaft is provided with an external thread section which is matched and connected with an internal thread section of the inner hole of the clutch shaft; a disc turning gear is arranged on the outer circle of the clutch shaft, and an electromagnet is embedded in the end face of the clutch shaft; the clutch box body is provided with a first coil, a second coil, an axial displacement output device and a travel switch; the clutch shaft is attracted or repelled between the electromagnet and the two coils to form a rotation speed difference which is meshed with the external threads of the transmission shaft, so that the clutch shaft moves axially along the thread section, and automatic meshing and automatic disconnection of jiggering are realized.
2. The fully automatic electric jigger device according to claim 1, characterized in that: when the coil I is electrified and the motor is electrified with forward current, after the motor rotates forward, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form a friction force meshed with each other under the action of attraction force between the electromagnet and the coil I, so that the clutch shaft and the transmission shaft cannot keep coaxial rotation to form a rotating speed difference, the clutch shaft realizes forward axial movement through the meshing of the thread sections, and when the clutch shaft advances to a meshing position, a jigger gear is meshed with a jigger gear arranged on a rotary mechanical rotor to jigger.
3. The fully automatic electric jigger device according to claim 2, characterized in that: when the coil II is electrified, the motor is electrified with reverse current, after the motor is reversed, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form mutually meshed reverse friction force under the action of repulsive force between the electromagnet and the coil II and tangential force between the turning gear and the driven gear, so that the clutch shaft realizes reverse axial movement through reverse meshing of the thread section, and the turning gear is separated from the driven gear arranged on the rotary mechanical rotor to stop turning.
4. The fully automatic electric jigger device according to claim 2, characterized in that: when the jigger works, the rotary machine starts until the rotating speed of the rotor is greater than the rotating speed of the clutch shaft, the internal thread section of the clutch shaft and the external thread section of the transmission shaft form mutually meshed reverse friction force under the action of reverse tangential force between the jigger gear and the jigger gear, so that the clutch shaft realizes reverse axial movement through the reverse meshing of the thread section, the jigger gear is separated from the jigger gear arranged on the rotor of the rotary machine, and jigger is stopped.
5. The fully automatic electric jigger device according to claim 1, characterized in that: the axial displacement output device comprises a rod piece and a spring, wherein the rod piece is propped against the end face of the clutch shaft through the spring, the other end of the rod piece is provided with an inclined plane and penetrates through the clutch box body to be in contact connection with the travel switch, and two ends of the spring are respectively connected with the rod piece and the protrusions on the clutch box body.
6. The fully automatic electric jigger device according to claim 5, characterized in that: and a limit sleeve is arranged between the rod piece and the clutch box body so as to prevent the rod piece from deflecting.
7. The fully automatic electric jigger device according to claim 5, characterized in that: the rod piece is propped against one end of the clutch shaft end face and is also embedded with a ball, and the ball can freely roll in the rod piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493513.5A CN109404506B (en) | 2018-12-07 | 2018-12-07 | Automatic electric jigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493513.5A CN109404506B (en) | 2018-12-07 | 2018-12-07 | Automatic electric jigger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404506A CN109404506A (en) | 2019-03-01 |
| CN109404506B true CN109404506B (en) | 2024-03-01 |
Family
ID=65457714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811493513.5A Active CN109404506B (en) | 2018-12-07 | 2018-12-07 | Automatic electric jigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404506B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116545169A (en) * | 2023-05-24 | 2023-08-04 | 青岛石化检修安装工程有限责任公司 | Large-sized rotor jigger device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB990410A (en) * | 1961-02-27 | 1965-04-28 | Hirano Bunzo | Automatic clutch |
| JP2002317606A (en) * | 2001-04-24 | 2002-10-31 | Mitsubishi Heavy Ind Ltd | Turning device of rotating machine |
| CN2926675Y (en) * | 2006-06-14 | 2007-07-25 | 嘉兴爱克斯机械技术有限公司 | Electric coil apparatus |
| CN101787905A (en) * | 2010-04-12 | 2010-07-28 | 杭州汽轮机股份有限公司 | Safe extracting device for electric barring gear |
| CN206987900U (en) * | 2017-05-15 | 2018-02-09 | 郑州机械研究所有限公司 | A kind of jiggering clutch and a kind of automatic barring gear |
| CN207660789U (en) * | 2017-12-01 | 2018-07-27 | 南京风电科技有限公司 | Novel wind generator group barring gear |
| CN209511047U (en) * | 2018-12-07 | 2019-10-18 | 中国船舶重工集团公司第七0四研究所 | Automatic electric barring gear |
-
2018
- 2018-12-07 CN CN201811493513.5A patent/CN109404506B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB990410A (en) * | 1961-02-27 | 1965-04-28 | Hirano Bunzo | Automatic clutch |
| JP2002317606A (en) * | 2001-04-24 | 2002-10-31 | Mitsubishi Heavy Ind Ltd | Turning device of rotating machine |
| CN2926675Y (en) * | 2006-06-14 | 2007-07-25 | 嘉兴爱克斯机械技术有限公司 | Electric coil apparatus |
| CN101787905A (en) * | 2010-04-12 | 2010-07-28 | 杭州汽轮机股份有限公司 | Safe extracting device for electric barring gear |
| CN206987900U (en) * | 2017-05-15 | 2018-02-09 | 郑州机械研究所有限公司 | A kind of jiggering clutch and a kind of automatic barring gear |
| CN207660789U (en) * | 2017-12-01 | 2018-07-27 | 南京风电科技有限公司 | Novel wind generator group barring gear |
| CN209511047U (en) * | 2018-12-07 | 2019-10-18 | 中国船舶重工集团公司第七0四研究所 | Automatic electric barring gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404506A (en) | 2019-03-01 |
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