CN103560614A - Electromagnetic pin pulling device coaxially arranged with motor and bearing load torque - Google Patents
Electromagnetic pin pulling device coaxially arranged with motor and bearing load torque Download PDFInfo
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- CN103560614A CN103560614A CN201310560915.3A CN201310560915A CN103560614A CN 103560614 A CN103560614 A CN 103560614A CN 201310560915 A CN201310560915 A CN 201310560915A CN 103560614 A CN103560614 A CN 103560614A
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- iron core
- pin
- load torque
- finger device
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Abstract
The invention discloses an electromagnetic pin pulling device coaxially arranged with a motor and bearing the load torque. The electromagnetic pin pulling device is of a single-coil flat structure. A static iron core assembly is of a concentric winding flat-coil structure. A plurality of reset spring holes are evenly distributed in the left end face of the static iron core assembly and reset springs are arranged in the reset spring holes. A movable iron core is provided with a plurality of protruding pin structures. A pin disc is provided with a plurality of pin groove structures corresponding to the movable iron core. The movable iron core slides on a limiting tube and is pressed towards the left end under the action of the reset springs, so that protruding pins on the movable iron core are inserted in pin grooves of the pin disc, and therefore a rotary shaft of the motor is locked. The electromagnetic pin pulling device coaxially arranged with the motor and bearing the load torque has the advantages that the electromagnetic pin pulling device can be coaxially arranged with the driving motor, the size is small, the weight is low, the axial length is small, the electromagnetic attraction is large, the load torque of the driving motor can be borne, the pins can be pulled under the load torque, and the vibration resistant and impact resistant capacity is strong.
Description
Technical field
The present invention relates to a kind ofly have and motor coaxle setting and can finger and the electromagnetism finger device of locking load torque dual-use function.
Background technology
As shown in Figure 1, it comprises that right coil 2, magnetic conductive shell 3, left coil 4, magnetic conduction right end cap 1, magnetic conduction left end cap 7, non-magnetic pipe 5 and magnetic conduction output shaft 6 form to electromagnet in the market.
When needs latch, left coil 4 energisings, the electromagnetic force that left coil 4 produces is attracted magnetic conduction output shaft 6 and is inhaled the end that keeps left by magnetic circuit magnetic conductive shell 3 and magnetic conduction left end cap 7, makes the axle head of magnetic conduction output shaft 6 insert pin-and-hole.
When needs finger, left coil 4 power-off, right coil 2 energisings, the electromagnetic force that right coil 2 produces is attracted magnetic conduction output shaft 6 and is inhaled the end of keeping right by magnetic circuit magnetic conductive shell 3 and magnetic conduction right end cap 1, transfers to magnetic conduction output shaft 6 axle heads from pin-and-hole.
The electromagnet of this structure is only applicable to institute locking mechanism non-coaxially arranged conventionally, to realize lock function.This method for arranging separated with driving control source (drive motors etc.) makes overall setup bulky, and weight is very heavy.And it is long and numerous and diverse to control control circuit used, very easily produces fault.In addition the finger length stroke of this electromagnet length and diameter are relatively little, produce electromagnetic attraction adhesive face little, adhesive distance, thereby the electromagnetic force producing is relatively little.And, the non-side interference power that easily produces when coaxially arranged of the mechanism with locked that conventionally adopts.If while adopting common electromagnet to carry out load-lock in the situation that shock and vibration environment is severe, can there is the drift of continuation in the load situation that brake disc locks under high impact forces and high vibrational state, very easily produce electromagnet magnetic conduction output shaft 6 stuck phenomena.
Summary of the invention
Technical problem to be solved by this invention is will provide a kind of can realize axial finger function and can carry torque at rated load when locking, and coaxially arrange with drive motors, and can effectively eradicate the electromagnetism finger device that drift occurs for load situation that common electromagnetic brake locks under HI high impact, high vibrational state.
In order to solve above technical problem, the invention provides a kind of and motor coaxle setting and can bear the electromagnetism finger device of load torque, comprise static iron core assembly, moving iron core, determine plate, pin dish, position-limiting tube, back-moving spring, trip bolt and finger device case.Described electromagnetism finger device is monocoil flat structure, and wherein, the flatwise coil structure that static iron core assembly is concentric winding, at uniform a plurality of back-moving springs hole, the built-in back-moving spring of arranging in the left side of static iron core assembly; Described moving iron core is provided with a plurality of protruding pin structures, on pin dish, correspond to moving iron core and be also provided with a plurality of cotter way structures, moving iron core slides and presses down to left end in the effect of back-moving spring on position-limiting tube, thereby makes the cotter way lock out motor rotating shaft of the protruding pin insertion pin dish on iron core.
Described position-limiting tube under being fastenedly connected of trip bolt with determine plate and static iron core assembly is solidified as a whole, the static component in formation electromagnetism finger device.
Described position-limiting tube is the position-limiting tube of three circular concentric.
Described moving iron core adopts equal portions to be arranged in " U " type groove of cylindrical or manhole and position-limiting tube to match, and endwisely slips on position-limiting tube.
Described moving iron core and pin dish form the dynamic assembly in electromagnetism finger device.Moving iron core only can move left and right vertically, and pin dish can only rotatablely move after release.
Described pin dish adopt in the central flat keyhole, square key hole or involute spline holes and motor shaft in mating connection.
It is 1～6 protruding special-shaped pin that described moving iron core is provided with a plurality of protruding pin structures, and the special-shaped pin shape that this is protruding and the cotter way shape on pin dish match.These protruding pin numbers are relevant with locked nominal torque size, select the number of protruding pin by the torque lock of its carrying.
A plurality of cotter way structures on described pin dish are 1～6 recessed or penetrating special-shaped cotter way, and the protruding pin shape of this abnormity cotter way and moving iron core matches.The number of these cotter ways is relevant with locked nominal torque size, selects the number of cotter way by the torque lock of its carrying.
The left side of described static iron core assembly is also provided with static iron core assembly installing hole and determines plate and support screw.
Described back-moving spring is cylindrical spring, and is placed in the back-moving spring hole of static iron core assembly end face, or increases spring spool in back-moving spring hole, and back-moving spring is placed in one.
Electromagnetism finger device is in when locking, and moving iron core is positioned on position-limiting tube and presses down to left end in the effect of back-moving spring, and makes the protruding pin on moving iron core insert the cotter way locking on pin dish.And because pin dish and motor shaft are that coaxial flat key is affixed, electric machine rotational axis is now locked.The protruding pin that back-moving spring now pushes left on moving iron core pins pin dish cotter way and can bear torque at rated load.
Electromagnetism finger device when finger, static iron core assembly energising, the electromagnetic attraction that static iron core assembly produces attracts moving iron core compression reseting spring energy storage, is positioned at that protruding pin on the moving iron core on position-limiting tube discharges and away from the cotter way on pin dish simultaneously.And because pin dish and motor shaft are that coaxial flat key is affixed, electric machine rotational axis is now released and can rotates freely.
This electromagnetism finger device belongs to flat structure.It has the working clearance less than electromagnet, larger work adhesive area, and the electromagnetic force of electromagnetism finger device and the working clearance exponential relationship that is inversely proportional to, proportional with adhesive area.Thereby, than electromagnet there is larger electromagnetic attraction, volume is less, weight is lighter.
superior effect of the present invention is:
Electromagnetism finger device of the present invention can coaxially arrange with drive motors, and, weight less than electromagnet volume is lighter, electromagnetic attraction is larger, work operation is more reliable, anti-vibration, impact resistance is stronger and the load torque that can carry motor.
Accompanying drawing explanation
Fig. 1 is existing electromagnet structure schematic diagram;
Fig. 2 is the structural representation of electromagnetism finger device of the present invention;
Fig. 3 is the structural representation of moving iron core in electromagnetism finger device of the present invention;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the structural representation of pin dish in electromagnetism finger device of the present invention;
Fig. 6 is the right view of Fig. 5;
Fig. 7 is the structural representation in each hole of static iron core assembly end face of the present invention;
Fig. 8 is the structural representation that back-moving spring overcoat of the present invention has spring spool;
Number in the figure explanation:
1-magnetic conduction right end cap; 2-right coil;
3-magnetic conduction casing; 4-left coil;
5-non-magnetic pipe; 6-magnetic conduction output shaft;
7-magnetic conduction left end cap;
8-back-moving spring;
9-moving iron core; 901-protruding pin structure;
10-determine plate;
11-pin dish; 1101-cotter way structure;
12-static iron core assembly; 1201-back-moving spring hole;
1202-installing hole; 1203-determine plate to support screw;
13-position-limiting tube;
14-trip bolt; 15-finger device case;
16-back-moving spring sleeve.
Embodiment
Refer to shown in accompanying drawing, the invention will be further described.
As shown in Figure 2, the invention provides a kind of and motor coaxle setting and can bear the electromagnetism finger device of load torque, comprising static iron core assembly 12, moving iron core 9, determine plate 10, pin dish 11, position-limiting tube 13, back-moving spring 8, trip bolt 14 and finger device case 15.
Described electromagnetism finger device is monocoil flat structure.
Wherein, the flatwise coil structure that static iron core assembly 12 is concentric winding, to produce electromagnetic attraction.At the uniform a plurality of back-moving springs hole 1201 that arranges, left side of static iron core assembly 12, built-in back-moving spring 8; Described moving iron core 9 is provided with a plurality of protruding pin structures 901, on pin dish 11, correspond to moving iron core 9 and be also provided with a plurality of cotter way structures 1101, moving iron core 9 slides and presses down to left end in the effect of back-moving spring 8 on position-limiting tube 13, thereby makes the cotter way lock out motor rotating shaft of the protruding pin insertion pin dish 11 on iron core 9.
Described position-limiting tube 13 under being fastenedly connected of trip bolt 14 with determine plate 10 and static iron core assembly 12 is solidified as a whole, the static component in formation electromagnetism finger device.
Described position-limiting tube 13 is the position-limiting tube of three circular concentric.
Described moving iron core 9 adopts equal portions to be arranged in " U " type groove of cylindrical or manhole and position-limiting tube 13 to match, and endwisely slips on position-limiting tube 13.Position-limiting tube 13 is axially movable stake body and the orbit of moving iron core 9.
Described moving iron core 9 forms the dynamic assembly in electromagnetism finger device with pin dish 11.Moving iron core 9 only can move left and right vertically, and pin dish 11 can only rotatablely move after release.
Described pin dish 11 adopt in the central flat keyhole, square key hole or involute spline holes and motor shaft in mating connection.
It is 1～6 protruding special-shaped pin that described moving iron core 9 is provided with a plurality of protruding pin structures 901, and the special-shaped pin shape that this is protruding and the cotter way shape on pin dish 11 match.These protruding pin numbers are relevant with locked nominal torque size, select the number of protruding pin by the torque lock of its carrying.
A plurality of cotter way structures 1101 on described pin dish 11 are 1～6 recessed or penetrating special-shaped cotter way, and the protruding pin shape of this abnormity cotter way and moving iron core 9 matches.The number of these cotter ways is relevant with locked nominal torque size, selects the number of cotter way by the torque lock of its carrying.
Protruding pin quantity on above-mentioned moving iron core 9 should equate with the cotter way quantity on pin dish 11,
The left side of described static iron core assembly 12 is also provided with static iron core assembly installing hole 1202 and determines plate and support screw 1203.
Described back-moving spring 8 is cylindrical spring, and is placed in the back-moving spring hole 1201 of static iron core assembly 12 end faces, or in back-moving spring hole 1201, increases spring spool 16, and back-moving spring 8 is placed in one.
Magnetic conductor in static iron core assembly 12 and moving iron core 9 have formed complete magnetic loop, and wherein the spacing of moving iron core 9 right sides and static iron core assembly 12 left sides is the working clearance.
When the 12 coil energising of static iron core assembly, produce electromagnetic attraction and moving iron core 9 is attracted to the left side of static iron core assembly 12, and compression reseting spring 8, release pin dish 11, makes electric machine rotational axis in free state.
When the 12 coil power-off of static iron core assembly, back-moving spring 8 will move iron core 9 and press to pin dish 11 stop pin dish 11, and electric machine rotational axis is in the lock state.
Before locking, the position sensing element by motor (Hall element) is calculated also and inserted or the first power-off of static iron core assembly 12 after rotational angle, moving iron core 9 presses to pin dish 11 under the pressure of back-moving spring 8, and now slow rotation motor inserts in the cotter way of pin dishes 11 moving iron core 9 protruding pins to lock.
Electromagnetism finger device is in when locking, and moving iron core 9 is positioned on position-limiting tube 13 and presses down to left end in the effect of back-moving spring 8, and makes the protruding pin on moving iron core 9 insert the cotter way locking on pin dish 11.And because pin dish 11 and motor shaft are that coaxial flat key is affixed, electric machine rotational axis is now locked.The protruding pin that back-moving spring 8 now pushes left on moving iron core 9 pins pin dish cotter way and can bear torque at rated load.
Electromagnetism finger device when finger, static iron core assembly 12 energising, the electromagnetic attraction that static iron core assembly 12 produces attracts moving iron core 9 compression reseting spring 8 energy storage, is positioned at that protruding pin on the moving iron core 9 on position-limiting tube 13 discharges and away from the cotter way on pin dish 11 simultaneously.And because pin dish 11 and motor shaft are that coaxial flat key is affixed, electric machine rotational axis is now released and can rotates freely.
Claims (10)
1. one kind with motor coaxle setting and can bear the electromagnetism finger device of load torque, comprise moving iron core, pin dish, static iron core assembly and position-limiting tube, it is characterized in that: described electromagnetism finger device is monocoil flat structure, wherein, static iron core assembly is the flatwise coil structure of concentric winding, at uniform a plurality of back-moving springs hole, the built-in back-moving spring of arranging in the left side of static iron core assembly; Described moving iron core is provided with a plurality of protruding pin structures, on pin dish, correspond to moving iron core and be also provided with a plurality of cotter way structures, moving iron core slides and presses down to left end in the effect of back-moving spring on position-limiting tube, thereby makes the cotter way lock out motor rotating shaft of the protruding pin insertion pin dish on iron core.
2. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, it is characterized in that: described position-limiting tube under being fastenedly connected of trip bolt with determine plate and static iron core assembly is solidified as a whole, the static component in formation electromagnetism finger device.
3. according to claim 2 and motor coaxle setting and can bear the electromagnetism finger device of load torque, is characterized in that: described position-limiting tube is the position-limiting tube of three circular concentric.
4. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, it is characterized in that: described moving iron core adopts equal portions to be arranged in " U " type groove of cylindrical or manhole and position-limiting tube to match, and endwisely slips on position-limiting tube.
5. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, is characterized in that: the dynamic assembly in described moving iron core and pin dish formation electromagnetism finger device.
6. according to claim 5 and motor coaxle setting and can bear the electromagnetism finger device of load torque, is characterized in that: described pin dish adopt in the central flat keyhole, square key hole or involute spline holes and motor shaft in mating connection.
7. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, it is characterized in that: it is 1～6 protruding special-shaped pin that described moving iron core is provided with a plurality of protruding pin structures, the special-shaped pin shape that this is protruding and the cotter way shape on pin dish match.
8. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, it is characterized in that: a plurality of cotter way structures on described pin dish are 1～6 recessed or penetrating special-shaped cotter way, and the protruding pin shape of this abnormity cotter way and moving iron core 9 matches.
9. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, is characterized in that: the left side of described static iron core assembly is also provided with static iron core assembly installing hole and determine plate support screw.
10. according to claim 1 and motor coaxle setting and can bear the electromagnetism finger device of load torque, it is characterized in that: described back-moving spring is cylindrical spring, and be placed in the back-moving spring hole of static iron core assembly end face, or increase spring spool in back-moving spring hole, back-moving spring is placed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560915.3A CN103560614B (en) | 2013-11-13 | 2013-11-13 | Arrange with motor coaxle and the electromagnetism finger device of load torque can be born |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560915.3A CN103560614B (en) | 2013-11-13 | 2013-11-13 | Arrange with motor coaxle and the electromagnetism finger device of load torque can be born |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103560614A true CN103560614A (en) | 2014-02-05 |
| CN103560614B CN103560614B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310560915.3A Active CN103560614B (en) | 2013-11-13 | 2013-11-13 | Arrange with motor coaxle and the electromagnetism finger device of load torque can be born |
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| CN (1) | CN103560614B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026511A (en) * | 2016-06-27 | 2016-10-12 | 泰州市姜堰德力电机有限公司 | Lever brake type motor |
| CN106787416A (en) * | 2017-02-04 | 2017-05-31 | 中国电子科技集团公司第二十研究所 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10257714A (en) * | 1997-03-14 | 1998-09-25 | Jointec:Kk | Reduction geared motor fitted with clutch |
| CN201121673Y (en) * | 2007-12-05 | 2008-09-24 | 吕泽英 | Fork type controllable non-contact wedge shoe brake |
| CN101758097A (en) * | 2009-10-28 | 2010-06-30 | 无锡平盛科技有限公司 | Driving axle part on wire-drawing machine |
-
2013
- 2013-11-13 CN CN201310560915.3A patent/CN103560614B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10257714A (en) * | 1997-03-14 | 1998-09-25 | Jointec:Kk | Reduction geared motor fitted with clutch |
| CN201121673Y (en) * | 2007-12-05 | 2008-09-24 | 吕泽英 | Fork type controllable non-contact wedge shoe brake |
| CN101758097A (en) * | 2009-10-28 | 2010-06-30 | 无锡平盛科技有限公司 | Driving axle part on wire-drawing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026511A (en) * | 2016-06-27 | 2016-10-12 | 泰州市姜堰德力电机有限公司 | Lever brake type motor |
| CN106787416A (en) * | 2017-02-04 | 2017-05-31 | 中国电子科技集团公司第二十研究所 | Double air gaps multipath magnetic circuit electromagnetism finger device with big initial electromagnetic suction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103560614B (en) | 2015-11-18 |
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