CN201051708Y - A magnetic stagnant brake - Google Patents
A magnetic stagnant brake Download PDFInfo
- Publication number
- CN201051708Y CN201051708Y CNU2007200492730U CN200720049273U CN201051708Y CN 201051708 Y CN201051708 Y CN 201051708Y CN U2007200492730 U CNU2007200492730 U CN U2007200492730U CN 200720049273 U CN200720049273 U CN 200720049273U CN 201051708 Y CN201051708 Y CN 201051708Y
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- China
- Prior art keywords
- magnetic pole
- stator
- stator magnetic
- air inlet
- air gap
- Prior art date
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- Expired - Fee Related
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses a magnetic retardation brake, which comprises a rotation shaft, a stator magnetic pole, a magnetic rotor, an air gap, and an inlet base. The stator magnetic pole comprises a stator magnetic pole A, a stator magnetic pole B, and a stator magnetic pole C. The stator magnetic pole B and the stator magnetic pole C are tightly equipped on the stator magnetic pole A, an exciting magnetic coil is arranged in the inner portion of the stator magnetic pole A, and the stator magnetic poles A, B are tightly closed to the exciting magnetic coil. The stator magnetic pole B is sleeved on the outer stator magnetic pole C, and air gap notches are arranged on the inner walls of the stator magnetic pole B and the outer walls of the stator magnetic pole C. The magnetic rotor is arranged between the stator magnetic pole B and the stator magnetic pole C and is fixed with the rotation shaft, and a compressed-air inlet is mounted on the inlet base. The utility model has the advantages of simple processing, convenient installation, heat-sink cooling, protection of the magnetic rotor, and the smoothly continuously regulated torque force load is provided, and dust and metallic particles are prevented from entering in the air gap.
Description
Technical field
The utility model relates to a kind of moment of torsion, tension control apparatus, it utilizes the magnetic hysteresis principle, exciting current by the control input produces certain moment of torsion, provide smooth, stepless adjustable, with the irrelevant torque control of rotating speed, be applied to the winding process of the loading of motor and performance test and electric wire, optical fiber cable, fiber, metal pool, rubber, film, film etc., can be used for the retractable cable tensioner of machineries such as bunching machine, coil winding machine, enamelling machine, wire drawing machine, stranding machine, warping machine.
Background technology
In the process of utilizing machineries such as bunching machine, coil winding machine, enamelling machine, wire drawing machine, stranding machine, warping machine that electric wire, optical fiber cable, fiber, metal pool, rubber, film, film etc. are twined, need to use the retractable cable tensioner.Traditional tensioner generally adopts mechanical device to change tension force, this tensioner is owing to be to be used for realizing braking function by frictional force when braking, except the machine abrasion, also have bigger noise simultaneously, prolongation along with service time, braking force can descend thereupon, with rotating speed bigger relation is arranged also, and it is short with useful life to need repairing.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and provide smooth, stepless adjustable, with the irrelevant torque control of rotating speed and have a kind of hysteresis brake dustproof and the air cooling function.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of hysteresis brake, it comprises rotating shaft and brake apparatus, rotating shaft is connected by bearing with brake apparatus, described brake apparatus comprises magnetic pole of the stator, magnet rotor, air gap and air inlet seat, magnetic pole of the stator comprises magnetic pole of the stator A, magnetic pole of the stator B, magnetic pole of the stator C, magnetic pole of the stator A is made up of centered cylinder and peripheral drum, have the power line hole on the peripheral drum bucket wall, the bottom has air admission hole, air admission hole is by the straight-through top of centered cylinder, centered cylinder is higher than peripheral drum, coil holder is equipped with in the centered cylinder bottom, on the coil holder around magnet exciting coil, near on the magnet exciting coil being magnetic pole of the stator B and magnetic pole of the stator C, magnetic pole of the stator B and magnetic pole of the stator C are tight with on the magnetic pole of the stator A, magnetic pole of the stator B inwall and magnetic pole of the stator C outer wall are provided with the air gap groove, the arrangement that misplaces mutually of air gap groove, magnet rotor places between magnetic pole of the stator B and the magnetic pole of the stator C and with rotating shaft fixedlys connected, air inlet seat is provided with the compressed air inlet, air inlet seat places the bottom of magnetic pole of the stator A and closely contacts with the bottom, aligns with peripheral drum bottom inflow hole in the compressed air inlet.
Described magnet rotor end is provided with dust cap, and the dust cap size is corresponding with the peripheral drum of magnetic pole of the stator A, has steam vent on the dust cap.
Tight contact-making surface is provided with sealing ring in the bottom of air inlet seat and magnetic pole of the stator A.
The utility model is owing to adopted said structure, when magnet exciting coil is not switched on, axle can freely rotate on bearing, coil produces magneticaction when magnet exciting coil is switched on, air gap has promptly become magnetic field, magnet rotor will produce a kind of braking force because of the effect in magnetic field, because being the magnetic field by air gap fully, torsion produces, and the effect of non-friction or shearing, therefore, the utility model can provide smooth-going, continuously adjustable torsional load, is not subjected to that rotating speed influences, operating noise is low, no any mechanical friction except bearing.Simultaneously, it is simple, easy to assembly that magnetic pole of the stator A, magnetic pole of the stator B and magnetic pole of the stator C split can make its processing.After adding dust cap, can prevent that dust, metallic particles etc. from entering air gap, the protection magnet rotor.
The utility model compared with prior art has: smooth-going, continuously adjustable torsional load is provided, and it is noiseless not to be subjected to rotating speed to influence, operate peace and quiet, and processing is simple, and is easy to assembly, can prevent that dust, metallic particles etc. from entering air gap; When the brake continuous duty was worked, temperature can rise, and air inlet seat is provided with the compressed air inlet, can connect upper inlet valve, according to circumstances adjusted the cooling of dispelling the heat of air-flow size, had the advantage of protection magnet rotor.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is Figure 1A-A cutaway view;
Fig. 3 is the left view that Fig. 1 does not have dust cap.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing: Fig. 1, Fig. 2, a kind of hysteresis brake of Fig. 3, it comprises rotating shaft 6 and brake apparatus, rotating shaft 6 is connected by bearing 10 with brake apparatus, described brake apparatus comprises magnetic pole of the stator, magnet rotor 4, air gap 5 and air inlet seat 14, magnetic pole of the stator comprises magnetic pole of the stator A1, magnetic pole of the stator B2, magnetic pole of the stator C3, magnetic pole of the stator A1 is made up of centered cylinder and peripheral circle wall 12, have power line hole 13 on the peripheral circle wall 12, the bottom has air admission hole 11, air admission hole is by the straight-through top of centered cylinder, centered cylinder is higher than peripheral circle wall 12, coil holder 9 is equipped with in the centered cylinder bottom, on the coil holder 9 around magnet exciting coil 8, near on the magnet exciting coil 8 being magnetic pole of the stator B2 and magnetic pole of the stator C3, magnetic pole of the stator B and magnetic pole of the stator C are tight with on the magnetic pole of the stator A, magnetic pole of the stator B2 inwall and magnetic pole of the stator C3 outer wall are provided with air gap groove 16, the arrangement that misplaces mutually of air gap groove, magnet rotor places between magnetic pole of the stator B2 and the magnetic pole of the stator C3 and with rotating shaft fixedlys connected, air inlet seat 14 is provided with compressed air inlet 18, air inlet seat places the bottom of magnetic pole of the stator A1 and closely contacts with the bottom, align with peripheral drum bottom inflow hole 11 in compressed air inlet 18, compressed air is by air admission hole 18 straight-through centre porosity 11 tops, discharge by steam vent 17 by the air gap groove of magnetic pole of the stator C outer wall and magnetic pole of the stator B inwall again.At described magnet rotor end dust cap 7 is set among Fig. 1, Fig. 2, dust cap 7 sizes are corresponding with the peripheral drum of magnetic pole of the stator A1, have steam vent 17 on the dust cap.The tight contact-making surface in bottom at air inlet seat 14 and magnetic pole of the stator A1 is provided with sealing ring 19.
Claims (3)
1. hysteresis brake, it comprises rotating shaft and brake apparatus, rotating shaft is connected by bearing with brake apparatus, it is characterized in that described brake apparatus comprises magnetic pole of the stator, magnet rotor, air gap and air inlet seat, magnetic pole of the stator comprises magnetic pole of the stator A, magnetic pole of the stator B, magnetic pole of the stator C, magnetic pole of the stator A is made up of centered cylinder and peripheral drum, have the power line hole on the peripheral drum bucket wall, the bottom has air admission hole, air admission hole is by the straight-through top of centered cylinder, centered cylinder is higher than peripheral drum, coil holder is equipped with in the centered cylinder bottom, on the coil holder around magnet exciting coil, near on the magnet exciting coil being magnetic pole of the stator B and magnetic pole of the stator C, magnetic pole of the stator B and magnetic pole of the stator C are tight with on the magnetic pole of the stator A, magnetic pole of the stator B inwall and magnetic pole of the stator C outer wall are provided with the air gap groove, the arrangement that misplaces mutually of air gap groove, magnet rotor places between magnetic pole of the stator B and the magnetic pole of the stator C and with rotating shaft fixedlys connected, air inlet seat is provided with the compressed air inlet, air inlet seat places the bottom of magnetic pole of the stator A and closely contacts with the bottom, aligns with peripheral drum bottom inflow hole in the compressed air inlet.
2. a kind of hysteresis brake according to claim 1 is characterized in that described magnet rotor end is provided with dust cap, and the dust cap size is corresponding with the peripheral drum of magnetic pole of the stator A, has steam vent on the dust cap.
3. according to claim 1 or 2 described a kind of hysteresis brakes, it is characterized in that sealing ring being set at the tight contact-making surface in the bottom of air inlet seat and magnetic pole of the stator A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200492730U CN201051708Y (en) | 2007-03-15 | 2007-03-15 | A magnetic stagnant brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200492730U CN201051708Y (en) | 2007-03-15 | 2007-03-15 | A magnetic stagnant brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051708Y true CN201051708Y (en) | 2008-04-23 |
Family
ID=39338200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200492730U Expired - Fee Related CN201051708Y (en) | 2007-03-15 | 2007-03-15 | A magnetic stagnant brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051708Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299609A (en) * | 2011-08-15 | 2011-12-28 | 西安巨舟电子设备有限公司 | Eddy current retarder |
| CN110649785A (en) * | 2019-10-11 | 2020-01-03 | 西安旭彤电子科技股份有限公司 | Hysteresis brake with torque amplification function |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
| CN114157118A (en) * | 2021-12-31 | 2022-03-08 | 江西康雅医疗用品有限公司 | Miniature hysteresis brake suitable for children's intelligence rocking chair braking system |
| WO2022183781A1 (en) * | 2021-03-02 | 2022-09-09 | 联亚智能科技（苏州）有限公司 | Spindle tension control apparatus, and payoff tension control system and method |
-
2007
- 2007-03-15 CN CNU2007200492730U patent/CN201051708Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299609A (en) * | 2011-08-15 | 2011-12-28 | 西安巨舟电子设备有限公司 | Eddy current retarder |
| CN110649785A (en) * | 2019-10-11 | 2020-01-03 | 西安旭彤电子科技股份有限公司 | Hysteresis brake with torque amplification function |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
| WO2022183781A1 (en) * | 2021-03-02 | 2022-09-09 | 联亚智能科技（苏州）有限公司 | Spindle tension control apparatus, and payoff tension control system and method |
| CN114157118A (en) * | 2021-12-31 | 2022-03-08 | 江西康雅医疗用品有限公司 | Miniature hysteresis brake suitable for children's intelligence rocking chair braking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20100315 |