CN203522496U - Hub-type electromagnetic liquid cooling retarder - Google Patents
Hub-type electromagnetic liquid cooling retarder Download PDFInfo
- Publication number
- CN203522496U CN203522496U CN201320670309.2U CN201320670309U CN203522496U CN 203522496 U CN203522496 U CN 203522496U CN 201320670309 U CN201320670309 U CN 201320670309U CN 203522496 U CN203522496 U CN 203522496U
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- Prior art keywords
- hub
- stator
- type electromagnetism
- rear axle
- rotor
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- 239000007788 liquid Substances 0.000 title claims abstract description 8
- 238000001816 cooling Methods 0.000 title claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- 210000000515 tooth Anatomy 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to a hub-type electromagnetic liquid cooling retarder. The hub-type electromagnetic liquid cooling retarder comprises a wheel hub (4), a speedup device, an oil liquid sealing device, a stator (13) and an excitation coil (14), wherein the wheel hub (4) is connected with a rear axle shaft (1) of an automobile, the speedup device is connected with the wheel hub (4), the oil liquid sealing device is connected with the speedup device, the stator (13) is fixed to the rear axle shaft (1) through a screw, the stator (13) is internally provided with an internal groove, and the excitation coil (14) is wound in the internal groove of the stator (13). According to the utility model, an automobile brake drum is reconstructed to a tooth ring for constituting a speedup mechanism, the structure is simple, and the barking moment and braking power of the retarder can be improved; the stator is light in weight, and the moment of inertia is small; and the stator is directly fixed on the rear axle shaft, and the excitation coil is easily wound.
Description
Technical field
The utility model relates to a kind of hub-type electromagnetism liquid-cooled retarder, by rotation and non-contacting metal cambered surface, do cutting magnetic induction line motion and produce eddy current braking moment, especially relate to and a kind ofly utilize circulating water and be arranged on cardan shaft and with the hub-type electromagnetism liquid-cooled retarder of speed increasing mechanism, belong to automobile brake field.
Background technology
Retarder for vehicles is a kind of auxiliary brake device for automobile.Existing retarder is generally arranged on the power transmission shaft of car transmissions, controls braking and the deceleration of whole vehicle bridge.The braking moment that retarder produces first acts on truck drive shaft, reallocates on arranged on left and right sides driving wheel, thereby makes whole car deceleration.And for the vehicle as unpowered devices in rear end such as full trailor or semitrailers, because inertia after towed vehicle part cargo shipment goods is very large, only at vehicle drawing head, retarder is partly installed, still there is larger traffic safety hidden danger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hub-type electromagnetism liquid-cooled retarder that improves the driving safety of full trailor or semitrailer vehicles, this hub-type electromagnetism liquid-cooled retarder is arranged in towed vehicle wheel hub, is a kind of current vortex noncontact complemental brake system with speed increasing mechanism.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of hub-type electromagnetism liquid-cooled retarder, comprise wheel hub, speeder, fluid sealing device, stator and magnet exciting coil, described wheel hub is connected with the rear axle beam of automobile, described speeder is connected with described wheel hub, described fluid sealing device is connected with described speeder, described stator is fixed by screws on described rear axle beam, in described stator, is provided with inside groove, and described magnet exciting coil is wound in described stator inside groove.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described speeder comprises gear ring, baffle ring, planet carrier, planetary gear and rotor, one end of described gear ring is connected with described wheel hub by bolt, another end mill internal tooth of described gear ring, and be meshed with described planetary gear, described planetary gear is connected with described planet carrier by the second bearing, and carries out axial location by described baffle ring, described planet carrier is fixed on described rear axle beam, and described rotor is connected with described rear axle beam by bearing.
Adopt the beneficial effect of above-mentioned further scheme to be, automobile brake drum is transformed into for forming the gear ring of speeder, simple in structure, be conducive to improve braking moment and the braking power of the utility model hub-type electromagnetism liquid-cooled retarder.
Further, described rotor one end mill external tooth, is provided with projection for rotor with salient pole in the other end, keep the gap of 0.5～1 millimeter between the inner circle of described rotor with salient pole and the cylindrical of described stator.
Further, described fluid sealing device comprises oil scraper ring and oil baffle, and the two ends of described speeder are sealed by described oil scraper ring, and described oil baffle is welded on described gear ring.
Further, in described stator, be provided with for cooling water channel, described water channel is connected with radiator by water pipe, the liquid in described water channel and the cooling water circulation in radiator, or circulate with the independent cooling device of described hub-type electromagnetism liquid-cooled retarder.
Further, in described stator inside groove, be provided with stainless steel frame, described stainless steel frame is nested in described stator inside groove, and described magnet exciting coil is wound on described stainless steel frame.
Adopt the beneficial effect of above-mentioned further scheme to be, magnet exciting coil is wound on stainless steel frame, and stainless steel frame is nested in stator inside groove, and coiling is simple.
Further, described hub-type electromagnetism liquid-cooled retarder also comprises axis head nut and clutch shaft bearing, and described wheel hub is connected with described rear axle beam by described clutch shaft bearing, and described clutch shaft bearing is by described axis head nut axial restraint.
The beneficial effects of the utility model are: the utility model is transformed into automobile brake drum for forming the gear ring of speed increasing mechanism, simple in structure, are conducive to improve braking moment and the braking power of retarder; Rotor quality is light, and moment of inertia is little; Stator is directly fixed on rear axle beam, and magnet exciting coil coiling is simple.
Operation principle of the present utility model and process are as follows:
During running car, wheel hub drives gear ring rotation, transmits, thereby makes rotor high-speed rotation, when automobile need to be braked, to the logical direct current of magnet exciting coil, in order to produce magnetic field through speed increasing mechanism device; The magnetic line of force that rotor with salient pole cutting magnet exciting coil sends produces eddy current on stator inner surface, and produces and hinder the braking moment that retarder rotor rotates, and produces amount of heat simultaneously, and this heat carries out heat exchange and takes away by establishing water channel in stator.This torque by rotor and planetary gear reaction on gear ring, thereby reduce the rotating speed of wheel hub, reach the object that automobile brake slows down.Regulate the size of exciting current, change the magnetic field intensity that magnet exciting coil produces, can realize the adjusting of moment.When not needing to brake, cut off exciting current, magnet exciting coil does not produce magnetic field, and rotor with salient pole is cutting magnetic line not, and at this moment rotor is not subject to braking moment, thereby removes the braking to wheel hub.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hub-type electromagnetism liquid-cooled retarder;
Fig. 2 is the part front view of the utility model hub-type electromagnetism liquid-cooled retarder;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of the rotor of the utility model hub-type electromagnetism liquid-cooled retarder;
In accompanying drawing, the list of parts of each label representative is as follows:
1, rear axle beam, 2, axis head nut, 3, clutch shaft bearing, 4, wheel hub, 5, oil scraper ring, 6, gear ring, 7, baffle ring, 8, planet carrier, the 9, second bearing, 10, planetary gear, 11, oil baffle, 12, rotor, 13, stator, 14, magnet exciting coil, 15, water channel, 16, stainless steel frame.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of hub-type electromagnetism liquid-cooled retarder, as shown in Figures 1 to 4, comprise wheel hub 4, speeder, fluid sealing device, stator 13 and magnet exciting coil 14, described wheel hub 4 is connected with the rear axle beam 1 of automobile, described speeder is connected with described wheel hub 4, and described fluid sealing device is connected with described speeder, and described stator 13 is fixed by screws on described rear axle beam 1, in described stator 13, be provided with inside groove, described magnet exciting coil 14 is wound in described stator 13 inside grooves.
Described speeder comprises gear ring 6, baffle ring 7, planet carrier 8, planetary gear 10 and rotor 12, one end of described gear ring 6 is connected with described wheel hub 4 by bolt, another end mill internal tooth of described gear ring 6, and be meshed with described planetary gear 10, described planetary gear 10 is connected with described planet carrier 8 by the second bearing 9, and by described baffle ring 7, carry out axial location, described planet carrier 8 is fixed on described rear axle beam 1, and described rotor 12 is connected with described rear axle beam 1 by bearing.
Described rotor 12 1 end mill external tooths, are provided with projection for rotor with salient pole in the other end, keep the gap of 0.5～1 millimeter between the inner circle of described rotor with salient pole and the cylindrical of described stator 13.
Described fluid sealing device comprises oil scraper ring 5 and oil baffle 11, and the two ends of described speeder are by described oil scraper ring 5 sealings, and described oil baffle 11 is welded on described gear ring 6.
In described stator 13, be provided with for cooling water channel 15, described water channel 15 is connected with radiator by water pipe, liquid in described water channel 15 and the cooling water circulation in radiator, or circulate with the independent cooling device of described hub-type electromagnetism liquid-cooled retarder.
In described stator 13 inside grooves, be provided with stainless steel frame 16, described stainless steel frame 16 is nested in described stator 13 inside grooves, and described magnet exciting coil 14 is wound on described stainless steel frame 16 (as shown in Figure 2).
Described hub-type electromagnetism liquid-cooled retarder also comprises axis head nut 2 and clutch shaft bearing 3, and described wheel hub 4 is connected with described rear axle beam 1 by described clutch shaft bearing 3, and described clutch shaft bearing 3 is by described axis head nut 2 axial restraints.
During the work of hub-type electromagnetism liquid-cooled retarder, give magnet exciting coil 14 logical direct current, at this moment can form magnetic circuit as shown in Figure 1, hub rotation speed transmits by speed increasing mechanism, and rotor 12 rotating speeds are improved; Now, the magnetic line of force that rotor 12 cutting magnet exciting coils 14 send, can produce eddy current at stator 13 inner surfaces, and produce the moment that hinders retarder rotor 12 rotations, and this braking moment acts on wheel hub 4 by planet circular system, thereby automobile is produced to braking force.
By regulating the electric current in magnet exciting coil 14, can change magnetic field intensity, thus the size of adjustable brake moment, to be used for realizing the stepping adjusting of retarder braking moment.
In accompanying drawing 2, label 17 represents the gap of 0.5～1 millimeter keeping between the inner circle of rotor with salient pole and the cylindrical of stator 13.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a hub-type electromagnetism liquid-cooled retarder, it is characterized in that: comprise wheel hub (4), speeder, fluid sealing device, stator (13) and magnet exciting coil (14), described wheel hub (4) is connected with the rear axle beam (1) of automobile, described speeder is connected with described wheel hub (4), described fluid sealing device is connected with described speeder, described stator (13) is fixed by screws on described rear axle beam (1), described stator is provided with inside groove in (13), and described magnet exciting coil (14) is wound in described stator (13) inside groove.
2. hub-type electromagnetism liquid-cooled retarder according to claim 1, it is characterized in that: described speeder comprises gear ring (6), baffle ring (7), planet carrier (8), planetary gear (10) and rotor (12), one end of described gear ring (6) is connected with described wheel hub (4) by bolt, another end mill internal tooth of described gear ring (6), and be meshed with described planetary gear (10), described planetary gear (10) is connected with described planet carrier (8) by the second bearing (9), and carry out axial location by described baffle ring (7), described planet carrier (8) is fixed on described rear axle beam (1), described rotor (12) is connected with described rear axle beam (1) by bearing.
3. hub-type electromagnetism liquid-cooled retarder according to claim 2, it is characterized in that: described rotor (12) one end mill external tooths, in the other end, be provided with projection for rotor with salient pole, between the inner circle of described rotor with salient pole and the cylindrical of described stator (13), keep the gap of 0.5～1 millimeter.
4. hub-type electromagnetism liquid-cooled retarder according to claim 2, it is characterized in that: described fluid sealing device comprises oil scraper ring (5) and oil baffle (11), the two ends of described speeder are by described oil scraper ring (5) sealing, and described oil baffle (11) is welded on described gear ring (6).
5. according to the hub-type electromagnetism liquid-cooled retarder described in claim 1 to 4 any one, it is characterized in that: in described stator (13), be provided with for cooling water channel (15), described water channel (15) is connected with radiator by water pipe, liquid in described water channel (15) and the cooling water circulation in radiator, or circulate with the independent cooling device of described hub-type electromagnetism liquid-cooled retarder.
6. according to the hub-type electromagnetism liquid-cooled retarder described in claim 1 to 4 any one, it is characterized in that: in described stator (13) inside groove, be provided with stainless steel frame (16), described stainless steel frame (16) is nested in described stator (13) inside groove, and described magnet exciting coil (14) is wound on described stainless steel frame (16).
7. according to the hub-type electromagnetism liquid-cooled retarder described in claim 1 to 4 any one, it is characterized in that: described hub-type electromagnetism liquid-cooled retarder also comprises axis head nut (2) and clutch shaft bearing (3), described wheel hub (4) is connected with described rear axle beam (1) by described clutch shaft bearing (3), and described clutch shaft bearing (3) is by described axis head nut (2) axial restraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670309.2U CN203522496U (en) | 2013-10-28 | 2013-10-28 | Hub-type electromagnetic liquid cooling retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670309.2U CN203522496U (en) | 2013-10-28 | 2013-10-28 | Hub-type electromagnetic liquid cooling retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522496U true CN203522496U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670309.2U Expired - Lifetime CN203522496U (en) | 2013-10-28 | 2013-10-28 | Hub-type electromagnetic liquid cooling retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578685A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Hub-type electromagnetic liquid cooling retarder |
-
2013
- 2013-10-28 CN CN201320670309.2U patent/CN203522496U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578685A (en) * | 2013-10-28 | 2015-04-29 | 扬州安行机电科技有限公司 | Hub-type electromagnetic liquid cooling retarder |
| CN104578685B (en) * | 2013-10-28 | 2017-07-18 | 扬州安行机电科技有限公司 | A kind of hub-type electromagnetism liquid-cooled retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |