CN203416148U - Hysteresis brake - Google Patents
Hysteresis brake Download PDFInfo
- Publication number
- CN203416148U CN203416148U CN201320458069.XU CN201320458069U CN203416148U CN 203416148 U CN203416148 U CN 203416148U CN 201320458069 U CN201320458069 U CN 201320458069U CN 203416148 U CN203416148 U CN 203416148U
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- magnetic pole
- stator
- hysteresis brake
- air gap
- rotation axis
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Abstract
The utility model relates to the technical field of a tension control device and especially relates to a hysteresis brake. The hysteresis brake comprises a brake device and a rotation shaft. The brake device comprises a stator magnetic pole, a magnetic rotor and an excitation coil. The stator magnetic pole comprises a first stator magnetic pole and a second stator magnetic pole. The rotation shaft passes through the first stator magnetic pole. The excitation coil is surrounded on the side of the first stator magnetic pole. The second stator magnetic pole is sleeved outside the first stator magnetic pole and forms an air gap with the first stator magnetic pole. The magnetic rotor is arranged in the air gap and is in fixation connection with the rotation shaft. Torque is completed through the magnetic field of the air gap, so that, during working, the hysteresis brake can provide a smooth, electrodelessly-adjustable torsion load; the hysteresis brake is not influenced by the rotation speed, and high in precision and low in working noise; and meanwhile, the overall structure is simple and the hysteresis brake is convenient to assemble.
Description
Technical field
The utility model relates to tension control apparatus technical field, relates in particular to a kind of hysteresis brake.
Background technology
In the process of utilizing the machineries such as bunching machine, coil winding machine, enamelling machine, wire drawing machine, stranding machine, warping machine to be wound around electric wire, optical fiber cable, fiber, metal platinum, rubber, film, film etc., need to use retractable cable tensioner, tensioner mainly produces moment of torsion by hysteresis brake and carries out work, hysteresis brake is a kind of Torque Control parts, it utilizes magnetic hysteresis principle, by the exciting current of control inputs, produce certain moment of torsion, thereby realize, electric wire, optical fiber cable, fiber, metal platinum, rubber, film, film etc. are wound around; And traditional hysteresis brake is due to its limitation in structural design, when a plurality of hysteresis brakes are used in a set of control system, the torque deviation producing during each hysteresis brake work is larger, and precision is not high, thereby causes retractable cable deleterious.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, hysteresis brake that precision is high, easy to assembly for the deficiencies in the prior art, can realize the multiaxis tension force of balanced torsion and control when it is used in a set of control system.
For achieving the above object, a kind of hysteresis brake of the present utility model, comprise brake apparatus and rotation axis, described brake apparatus comprises magnetic pole of the stator, magnet rotor and magnet exciting coil, described magnetic pole of the stator comprises the first magnetic pole of the stator and the second magnetic pole of the stator, described rotation axis is arranged in described the first magnetic pole of the stator, described magnet exciting coil is surrounded on the side of the first magnetic pole of the stator, described the second magnetic pole of the stator be sheathed on the peripheral of the first magnetic pole of the stator and and the first magnetic pole of the stator between form air gap, described magnet rotor is arranged in described air gap and is fixedly connected with rotation axis.
Wherein, the side of described the first magnetic pole of the stator is provided with annular groove, and described magnet exciting coil is surrounded on described annular groove.
Wherein, in described annular groove, be provided with coil holder, described magnet exciting coil is surrounded on described coil holder.
Wherein, the side opening of described the second magnetic pole of the stator is provided with power line hole, and described power line hole is communicated with described annular groove.
Wherein, between described rotation axis and the first magnetic pole of the stator, be provided with rolling bearing, described rolling bearing and rotation axis interference fit.
Wherein, one end of described rotation axis is provided with for compressing the close-fitting aluminium ring of magnet rotor.
Wherein, one end that described the first magnetic pole of the stator is adjacent with magnet rotor is provided with air gap groove, and the side opening of the first magnetic pole of the stator is provided with cold air hole, and described cold air hole runs through the first magnetic pole of the stator and is communicated with described air gap groove.
Wherein, described cold air hole is connected with gas-tpe fitting.
Wherein, also comprise dust cap, described dust cap is fixedly connected with and seals described air gap with a side of the second magnetic pole of the stator.
The beneficial effects of the utility model: a kind of hysteresis brake of the present utility model, during work, be surrounded on the magnet exciting coil energising of the first magnetic pole of the stator side, magnet exciting coil produces magnetic force, the air gap forming between the second magnetic pole of the stator and the first magnetic pole of the stator has become magnetic field, thereby make magnet rotor produce hysteresis effect, when magnet rotor overcomes the magnetic rotation in magnetic field under external force, produce specified moment of torsion.The utility model, because completing of moment of torsion is the magnetic field generation by air gap, can provide smooth-going, electrodeless adjustable torsional load during work, be not subject to influence of rotation speed, and precision is high, operating noise is low; Its overall structure is simple, easy to assembly simultaneously.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
Reference numeral comprises:
1-rotation axis, 2-magnet rotor, 3-magnet exciting coil the 4-the first magnetic pole of the stator
5-the second magnetic pole of the stator 6-air gap 7-coil holder 8-rolling bearing
9-close-fitting aluminium ring, 10-dust cap, 41-air gap groove, 42-cold air hole
43-gas-tpe fitting, 51-power line hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, a kind of hysteresis brake of the present utility model, comprise brake apparatus and rotation axis 1, described brake apparatus comprises magnetic pole of the stator, magnet rotor 2 and magnet exciting coil 3, described magnetic pole of the stator comprises the first magnetic pole of the stator 4 and the second magnetic pole of the stator 5, described rotation axis 1 is arranged in described the first magnetic pole of the stator 4, described magnet exciting coil 3 is surrounded on the side of the first magnetic pole of the stator 4, described the second magnetic pole of the stator 5 be sheathed on the peripheral of the first magnetic pole of the stator 4 and and the first magnetic pole of the stator 4 between form air gap 6, described magnet rotor 2 is arranged in described air gap 6 and is fixedly connected with rotation axis 1.
During work, be surrounded on magnet exciting coil 3 energisings of the first magnetic pole of the stator 4 sides, magnet exciting coil 3 produces magnetic force, the air gap 6 forming between the second magnetic pole of the stator 5 and the first magnetic pole of the stator 4 has become magnetic field, thereby make magnet rotor 2 produce hysteresis effect, when magnet rotor 2 overcomes the magnetic rotation in magnetic field under external force, produce specified moment of torsion, the utility model forms air gap 6 between the first magnetic pole of the stator 4 and the second magnetic pole of the stator 5, and magnet rotor 2 is arranged in air gap 6, guarantee that magnet rotor 2 is in the interior work of air gap 6, and do not touch the inwall of the first magnetic pole of the stator 4 and the outer wall of the second magnetic pole of the stator 5, guarantee that operating accuracy is high.The utility model, because completing of moment of torsion is the magnetic field generation by air gap 6, can provide smooth-going, electrodeless adjustable torsional load during work, be not subject to influence of rotation speed, and precision is high, operating noise is low; Its overall structure is simple, easy to assembly simultaneously.
In the present embodiment, the side of described the first magnetic pole of the stator 4 is provided with annular groove, and described magnet exciting coil 3 is surrounded on described annular groove.Magnet exciting coil 3 is surrounded on to annular groove, can prevents magnet exciting coil 3 and the inwall touching that is sheathed on the first magnetic pole of the stator 4, affect normal operation of the present utility model.
Further, be provided with coil holder 7 in described annular groove, described magnet exciting coil 3 is surrounded on described coil holder 7.Coil holder 7, for fixed excitation coil 3, plays concentrated protection effect to magnet exciting coil 3 simultaneously.
Concrete, the side opening of described the second magnetic pole of the stator 5 is provided with power line hole 51, and described power line hole 51 is communicated with described annular groove.Power line is connected with the magnet exciting coil 3 that is surrounded on annular groove through power line hole 51, guarantees that magnet exciting coil 3 and extraneous coil connection also can work.
In the present embodiment, between described rotation axis 1 and the first magnetic pole of the stator 4, be provided with rolling bearing 8, described rolling bearing 8 and rotation axis 1 interference fit.Rotation axis 1 is connected with the first magnetic pole of the stator 4 by the interference fit of rolling bearing 8, guarantees the normal rotation of rotation axis 1.
In the present embodiment; one end of described rotation axis 1 is provided with for compressing the close-fitting aluminium ring 9 of magnet rotor 2; close-fitting aluminium ring 9 can play the effect that compresses magnet rotor 2 on the one hand; can control on the other hand the degree of depth that magnet rotor 2 inserts air gap 6; prevent that magnet rotor 2 from touching the first magnetic pole of the stator 4, plays a protective role to magnet rotor 2.
In the present embodiment, the side opening that described first magnetic pole of the stator 4 one end adjacent with magnet rotor 2 is provided with air gap groove 41, the first magnetic pole of the stator 4 is provided with cold air hole 42, and described cold air hole 42 runs through the first magnetic pole of the stator 4 and is communicated with described air gap groove 41; Wherein, described cold air hole 42 is connected with gas-tpe fitting 43; when the utility model continuous duty is worked, all parts temperature of whole hysteresis brake can correspondingly raise, now; by gas-tpe fitting 43, connect extraneous heat sink; heat sink is delivered to cold air hole 42 by cold air from gas-tpe fitting 43, and cold air is in the interior circulation of cold air hole 42, thereby hysteresis brake is played to cooling effect; thereby play the effect of protection magnet rotor 2, and then improved the stream time of hysteresis brake.
Concrete, also comprise dust cap 10, described dust cap 10 is fixedly connected with and seals described air gap 6 with a side of the second magnetic pole of the stator 5, dust cap 10 can prevent that metallic particles and other dust from carrying out air gap 6, thereby can prevent that foreign matter from affecting the rotation work of magnet rotor 2, guarantee that work of the present utility model is more smooth and easy, working effect is better.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a hysteresis brake, comprise brake apparatus and rotation axis (1), it is characterized in that: described brake apparatus comprises magnetic pole of the stator, magnet rotor (2) and magnet exciting coil (3), described magnetic pole of the stator comprises the first magnetic pole of the stator (4) and the second magnetic pole of the stator (5), described rotation axis (1) is arranged in described the first magnetic pole of the stator (4), described magnet exciting coil (3) is surrounded on the side of the first magnetic pole of the stator (4), described the second magnetic pole of the stator (5) be sheathed on the peripheral of the first magnetic pole of the stator (4) and and the first magnetic pole of the stator (4) between form air gap (6), described magnet rotor (2) is arranged in described air gap (6) and is fixedly connected with rotation axis (1).
2. a kind of hysteresis brake according to claim 1, is characterized in that: the side of described the first magnetic pole of the stator (4) is provided with annular groove, and described magnet exciting coil (3) is surrounded on described annular groove.
3. a kind of hysteresis brake according to claim 2, is characterized in that: in described annular groove, be provided with coil holder (7), described magnet exciting coil (3) is surrounded on described coil holder (7).
4. a kind of hysteresis brake according to claim 2, is characterized in that: the side opening of described the second magnetic pole of the stator (5) is provided with power line hole (51), and described power line hole (51) is communicated with described annular groove.
5. a kind of hysteresis brake according to claim 1, is characterized in that: between described rotation axis (1) and the first magnetic pole of the stator (4), be provided with rolling bearing (8), described rolling bearing (8) and rotation axis (1) interference fit.
6. a kind of hysteresis brake according to claim 1, is characterized in that: one end of described rotation axis (1) is provided with for compressing the close-fitting aluminium ring (9) of magnet rotor (2).
7. a kind of hysteresis brake according to claim 1, it is characterized in that: one end that described the first magnetic pole of the stator (4) is adjacent with magnet rotor (2) is provided with air gap groove (41), the side opening of the first magnetic pole of the stator (4) is provided with cold air hole (42), and described cold air hole (42) runs through the first magnetic pole of the stator (4) and is communicated with described air gap groove (41).
8. a kind of hysteresis brake according to claim 7, is characterized in that: described cold air hole (42) is connected with gas-tpe fitting (43).
9. a kind of hysteresis brake according to claim 1, is characterized in that: also comprise dust cap (10), described dust cap (10) is fixedly connected with and seals described air gap (6) with a side of the second magnetic pole of the stator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458069.XU CN203416148U (en) | 2013-07-30 | 2013-07-30 | Hysteresis brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458069.XU CN203416148U (en) | 2013-07-30 | 2013-07-30 | Hysteresis brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416148U true CN203416148U (en) | 2014-01-29 |
Family
ID=49979006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320458069.XU Expired - Fee Related CN203416148U (en) | 2013-07-30 | 2013-07-30 | Hysteresis brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203416148U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571706A (en) * | 2015-10-09 | 2017-04-19 | Avl里斯脱有限公司 | Electric vehicle |
| CN109775416A (en) * | 2017-11-14 | 2019-05-21 | 财团法人工业技术研究院 | Board transport unit and filming equipment |
| CN110132582A (en) * | 2019-05-21 | 2019-08-16 | 北京空间飞行器总体设计部 | The load of friction free torque and measuring device under vacuum environment |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
-
2013
- 2013-07-30 CN CN201320458069.XU patent/CN203416148U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571706A (en) * | 2015-10-09 | 2017-04-19 | Avl里斯脱有限公司 | Electric vehicle |
| CN106571706B (en) * | 2015-10-09 | 2020-10-16 | Avl里斯脱有限公司 | Electric vehicle |
| CN109775416A (en) * | 2017-11-14 | 2019-05-21 | 财团法人工业技术研究院 | Board transport unit and filming equipment |
| CN110132582A (en) * | 2019-05-21 | 2019-08-16 | 北京空间飞行器总体设计部 | The load of friction free torque and measuring device under vacuum environment |
| CN110132582B (en) * | 2019-05-21 | 2021-11-09 | 北京空间飞行器总体设计部 | Friction-free torque loading and measuring device in vacuum environment |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |