CN2684445Y - A braking motor - Google Patents
A braking motor Download PDFInfo
- Publication number
- CN2684445Y CN2684445Y CN 200320107716 CN200320107716U CN2684445Y CN 2684445 Y CN2684445 Y CN 2684445Y CN 200320107716 CN200320107716 CN 200320107716 CN 200320107716 U CN200320107716 U CN 200320107716U CN 2684445 Y CN2684445 Y CN 2684445Y
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- Prior art keywords
- brake
- magnetic
- rotor
- armature spindle
- brake disc
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- Expired - Fee Related
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Abstract
The utility model discloses a brake motor, comprising stators, rotors and a brake mechanism. The stator is mainly provided with a stator iron core, a stator winding, a machine base, and a front and a back end caps. The rotor is mainly provided with a rotor iron core, a rotor winding, and a rotor shaft which is provided with a front bearing and a back bearing. The brake mechanism is mainly provided with a magnetic body, a brake disk, a brake chip, and a columnar spiral compression spring. The magnetic body generates magnetic force to attract the brake disk to slip forwards along the rotor shaft to separate from the brake chip, and losses magnetic force to impel the brake disk to slip reversely along the rotor shaft to abut against the brake chip. The utility model mainly uses the mechanical brake mode and is characterized in that the brake motor has easy operation and high stability.
Description
Technical field
The utility model relates to asynchronous motor, and is special relevant with the asynchronous motor that can brake.
Background technology
Because the rotating part of motor has inertia, so behind dump, motor also can be rotated further certain hour then to be stopped, in order to shorten unproductive time, improve the productivity ratio of machinery, and for the purpose of the safety, often require motor to stop rapidly or to reverse, this just need be to motor brake, and is all the more so for the motor that needs Fraquent start in the manufacturing machine.The following two kinds of modes of the normal employing of the braking of asynchronous motor in the prior art, the one, when cutting off three phase mains, connect DC power supply, make direct current feed stator winding generation brake torque and make the motor stall, though it is less that this dynamic braking mode has energy consumption, brake comparatively steadily, but need the configuring direct current power supply; The 2nd, plug braking, this mode of braking is fairly simple, and effect is also better, but energy consumption is bigger.
Summary of the invention
Task of the present utility model is to provide a kind of brake motor, and the main mechanical system that adopts of its braking is carried out.
Its technical solution is:
A kind of brake motor comprises stator, rotor and brake mechanism; Said stator mainly contains stator core, stator winding, support and front and rear cover; Above-mentioned rotor mainly contains rotor core, rotor winding, armature spindle, armature spindle configuration fore bearing and rear bearing; Above-mentioned brake mechanism mainly contains,
(a) magnetic, it is located at the rear portion of rotor core, and with rotor run-in synchronism, magnetic produces magnetic force during the energising of said stator winding, and magnetic loses magnetic force during the stator winding outage;
(b) brake disc, it is located at the back segment of armature spindle, with rotor run-in synchronism, and can be along the armature spindle axial slip;
(c) elastomer, it is located at the brake disc front side, pushes brake disc backward;
(d) brake(-holder) block, it is located at the corresponding site of rear end cap inboard; Above-mentioned magnetic produces magnetic force and can attract brake disc to leave brake(-holder) block along the slippage of armature spindle forward; Above-mentioned magnetic loss of excitation elastomer can promote brake disc along the pressing of armature spindle reverse shuffle on brake(-holder) block.
Above-mentioned elastomer can be cylindroid helical-coil compression spring, and it is nested with on the armature spindle correspondent section; Above-mentioned brake disc can connect with pin with armature spindle, and axial long hole shape chute is offered at the position of the corresponding pin of brake disc.
Above-mentioned magnetic, brake disc and brake(-holder) block can be coadapted discoid; The length of said stator iron core can equal or be slightly larger than the length and the magnetic thickness sum of rotor core.
Above-mentioned brake disc can be along the slippage of armature spindle forward until being attached at fully on the magnetic corresponding surface under magnetic attracts.
The utility model motor when starting, energized, stator winding electrifying, because the excitation effect of stator winding, magnetic produces magnetic field (power), attracts brake disc to forward position armature spindle forward slippage, elastomer obtains corresponding compression, and brake disc leaves brake(-holder) block, and rotor is run well; When needing the motor stall, cut off the electricity supply the stator winding outage, magnetic loses magnetic field (power), discharges brake disc, and elastomer promotes brake disc backward along the armature spindle reverse shuffle, last pressing is on brake(-holder) block, and the frictional force that relies on brake disc and brake(-holder) block to produce makes the rotor stall.Characteristics such as above-mentioned mode of braking can be when cutting off the motor main circuit power supply, and mechanism finishes voluntarily by the machine inside brake, and this mode of braking need not separately parts such as configuration operation switch, and operation is greatly simplified, and also can have good stability, and it is low to consume energy.Adopt cylindroid helical-coil compression spring as elastomer, be nested with on corresponding section of armature spindle, make simply, brake disc is promoted firmly equilibrium, slippage is steady; Brake disc can connect with pin with armature spindle, and axial long hole is offered at the position of the corresponding pin of brake disc, both can make brake disc and armature spindle run-in synchronism, realizes that by this long hole shape chute it is along the axial corresponding slippage of armature spindle in the time of can making brake disc be subjected to axial force again.Brake disc can be along the slippage of rotating shaft forward until being attached at fully on the magnetic corresponding surface under magnetic attracts, by magnetic brake disc is adsorbed on it, do as a whole and rotor synchronous operation, make motor in the normal operation process, structure is compact more, and operational efficiency is higher.Magnetic, brake disc and brake(-holder) block can be coadapted discoid, are adapted to the revolution operation in the machine more, also can have braking effect preferably simultaneously.
Above-mentioned rotor winding can be cast aluminium cage winding, and magnetic and rotor core are cast as an integral body.It is good to have overall performance, intensity height, characteristics such as life-span length.
The front side of above-mentioned rear bearing is provided with the hole back-up ring that bearing outer ring axially fastens, and this hole is arranged on corresponding site in the rear end cap with back-up ring; On the armature spindle of corresponding rear bearing rear side the shaft block ring that bearing inner race axially fastens is set.Have in motor Fraquent start and braking hocket process, rotor is difficult for play, guarantees the stability of its running and braking ability.
The main circuit of the utility model motor can be provided with electromagnetic switch, this electromagnetic switch configuration thermal protector.When the coil of motor in that overload is overheated when reaching design temperature, thermal protector makes the automatic disconnection of electromagnetic switch loss of excitation cut off supply line, can effectively guarantee motor when the overload coil is overheated automatically outage stop, prevent coil burnout; After temperature reduced, thermal protector restored electricity the automatic adhesive of electromagnetic switch, continued operation.This mode is optional with the less thermal protector of currents match, can effectively prolong the useful life of thermal protector.
Above-mentioned electromagnetic switch can be KOA7 type electromagnetic switch, and thermal protector can be TP116005 type thermal protector.
Description of drawings
Fig. 1 is a kind of execution mode structural principle of the utility model schematic diagram.
Fig. 2 is a kind of execution mode decomposing schematic representation of brake mechanism of the present utility model.
Below in conjunction with accompanying drawing the utility model is described:
Embodiment
Referring to Fig. 1, the utility model motor stator mainly contains stator core 1 and support 2, stator core 1 is provided with stator winding, the front portion of support 2 is provided with front end housing 21, the rear portion of support 2 is provided with rear end cap 22, rotor mainly contains rotor core 3 and armature spindle 4, rotor core 3 is provided with the rotor winding, the rotor winding is the squirrel-cage winding that cast aluminum liquid forms in rotor core 3 grooves, the brake mechanism of the manner mainly contains disc type magnetic 5, disc type brake disc 6, disc type brake(-holder) block 7, cylindroid helical-coil compression spring 8, its decomposing state as shown in Figure 2, magnetic 5 is cast into one with rotor core 3 rear portions, with rotor run-in synchronism, brake(-holder) block 7 is arranged on rear end cap 22 inboards can be for the suitable position of brake disc 6 pressings, brake disc 6 is arranged on the back segment of armature spindle 4, brake disc 6 connects with armature spindle 4 usefulness pins 61, axial long hole chute 62 is offered at the position of brake disc 6 corresponding pins 61, brake disc 6 and armature spindle 4 run-in synchronisms both can have been made, in the time of can making brake disc 6 be subjected to axial force again along armature spindle 4 axial slips, spring 8 is nested with on armature spindle 4, it is between rotor core 3 and brake disc 6, in 6 pressings of the 8 pushing brake discs of spring often on brake(-holder) block 7, the frictional force of the two generation is enough to make the rotor stall, generally speaking, the length L of said stator iron core 1 equals or is slightly larger than the length L 1 and the magnetic 5 thickness L2 sums of rotor core 3, so that excitation effect is preferably arranged, other suitable group modes can be arranged also certainly.When the need motor start-up, energized, stator winding electrifying, its excitation makes magnetic 5 produce magnetic field (magnetic force), magnetic 5 utilizes magnetic attraction brake disc 6 along axle 4 (forward) slippages forward, brake disc 6 breaks away from brake(-holder) block 7, rotor is released, and this process is pressuring spring 8 corresponding retraction energy storage simultaneously, and brake disc 6 can be attracted to slide onto and be attached on magnetic 5 corresponding surfaces, as one and rotor run-in synchronism, when the stall of need motor, cut off the electricity supply the stator winding outage, magnetic 5 loses magnetic field (power) because of this externally-applied magnetic field, discharge brake disc 6, brake disc 6 is in the promotion lower edge of spring 8 axle 4 (oppositely) slippage backward, until pressing on brake(-holder) block 7, produce frictional force and obstruct the continuous commentaries on classics of rotor, realize braking.The rear bearing 41 of above-mentioned armature spindle 4 is provided with the hole back-up ring 42 that bearing outer ring axially fastens, and the hole is arranged on the rear end cap 22 inboard corresponding sites with back-up ring 42, and the fastening shaft block ring of bearing inner race 43 is set on the armature spindle of corresponding rear bearing 41 rear sides.
Elastomer in the aforesaid way also can be selected other multiple conspicuous elasticity components and parts bodies for use except that adopting cylindroid helical-coil compression spring; Also can there be other suitable variations at the elastomeric position that is provided with.
Magnetic in the aforesaid way, brake disc, brake(-holder) block also can be made into other suitable shapes.
Brake disc in the aforesaid way does not slide onto to be attracted that to be attached at fully on the magnetic be necessity, and it is under the magneticaction of magnetic, as long as keep breaking away from the state of brake(-holder) block.
The main circuit of the motor in the aforesaid way also can be provided with KOA7 type electromagnetic switch, the configurable TP116005 type of this electromagnetic switch thermal protector.
Claims (10)
1, a kind of brake motor comprises stator, rotor and brake mechanism; Said stator mainly contains stator core, stator winding, support and front and rear cover; Above-mentioned rotor mainly contains rotor core, rotor winding, armature spindle, armature spindle configuration fore bearing and rear bearing; It is characterized in that: described brake mechanism mainly contains,
(a) magnetic, it is located at the rear portion of rotor core, and with rotor run-in synchronism, magnetic produces magnetic force during the energising of said stator winding, and magnetic loses magnetic force during the stator winding outage;
(b) brake disc, it is located at the back segment of armature spindle, with rotor run-in synchronism, and can be along the armature spindle axial slip;
(c) elastomer, it is located at the brake disc front side, pushes brake disc backward;
(d) brake(-holder) block, it is located at the corresponding site of rear end cap inboard; Above-mentioned magnetic produces magnetic force and can attract brake disc to leave brake(-holder) block along the slippage of armature spindle forward; Above-mentioned magnetic loss of excitation elastomer can promote brake disc along the pressing of armature spindle reverse shuffle on brake(-holder) block.
2, motor according to claim 1 is characterized in that: described elastomer is a cylindroid helical-coil compression spring, and it is nested with on the armature spindle correspondent section; Described brake disc connects with pin with armature spindle, and axial long hole shape chute is offered at the position of the corresponding pin of brake disc.
3, motor according to claim 1 and 2 is characterized in that: described magnetic, brake disc and brake(-holder) block are coadapted discoid; The length of described stator core can equal or be slightly larger than the length and the magnetic thickness sum of rotor core.
4, motor according to claim 3 is characterized in that: described brake disc can be along the slippage of armature spindle forward until being attached at fully on the magnetic corresponding surface under magnetic attracts.
5, motor according to claim 1 and 2 is characterized in that: described rotor winding is a cast aluminium cage winding, and magnetic and rotor core are cast as an integral body.
6, motor according to claim 3 is characterized in that: described rotor winding is a cast aluminium cage winding, and magnetic and rotor core are cast as an integral body.
7, motor according to claim 1 and 2 is characterized in that: the front side of described rear bearing is provided with the hole back-up ring that bearing outer ring axially fastens, and this hole is arranged on corresponding site in the rear end cap with back-up ring; On the armature spindle of corresponding rear bearing rear side the shaft block ring that bearing inner race axially fastens is set.
8, motor according to claim 6 is characterized in that: the front side of described rear bearing is provided with the hole back-up ring that bearing outer ring axially fastens, and this hole is arranged on corresponding site in the rear end cap with back-up ring; On the armature spindle of corresponding rear bearing rear side the shaft block ring that bearing inner race axially fastens is set.
9, motor according to claim 8 is characterized in that: the main circuit of described motor is provided with electromagnetic switch, this electromagnetic switch configuration thermal protector.
10, motor according to claim 9 is characterized in that: described electromagnetic switch is a KOA7 type electromagnetic switch, and thermal protector is a TP116005 type thermal protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107716 CN2684445Y (en) | 2003-12-17 | 2003-12-17 | A braking motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107716 CN2684445Y (en) | 2003-12-17 | 2003-12-17 | A braking motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684445Y true CN2684445Y (en) | 2005-03-09 |
Family
ID=34599282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320107716 Expired - Fee Related CN2684445Y (en) | 2003-12-17 | 2003-12-17 | A braking motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684445Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361366A (en) * | 2011-10-26 | 2012-02-22 | 曹洧種 | Three-end-ring rectangular braking motor |
| CN102938595A (en) * | 2012-10-19 | 2013-02-20 | 咸宁三宁机电有限公司 | Brake motor for soft start of composite cage bar solid rotor |
| CN104393692A (en) * | 2014-12-16 | 2015-03-04 | 安徽威能电机有限公司 | Electric motor |
| CN105703532A (en) * | 2014-12-16 | 2016-06-22 | 西门子公司 | Dynamo-electric machine with a brake |
| CN110212695A (en) * | 2019-06-09 | 2019-09-06 | 横店集团英洛华电气有限公司 | The rotor assembly of quick shutdown can be achieved |
-
2003
- 2003-12-17 CN CN 200320107716 patent/CN2684445Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361366A (en) * | 2011-10-26 | 2012-02-22 | 曹洧種 | Three-end-ring rectangular braking motor |
| CN102938595A (en) * | 2012-10-19 | 2013-02-20 | 咸宁三宁机电有限公司 | Brake motor for soft start of composite cage bar solid rotor |
| CN104393692A (en) * | 2014-12-16 | 2015-03-04 | 安徽威能电机有限公司 | Electric motor |
| CN105703532A (en) * | 2014-12-16 | 2016-06-22 | 西门子公司 | Dynamo-electric machine with a brake |
| US10298092B2 (en) | 2014-12-16 | 2019-05-21 | Siemens Aktiengesellschaft | Dynamo-electric machine with a brake |
| CN110212695A (en) * | 2019-06-09 | 2019-09-06 | 横店集团英洛华电气有限公司 | The rotor assembly of quick shutdown can be achieved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |