CN111884478B - Compact electromagnetic eddy current brake device - Google Patents
Compact electromagnetic eddy current brake device Download PDFInfo
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- CN111884478B CN111884478B CN202010741170.0A CN202010741170A CN111884478B CN 111884478 B CN111884478 B CN 111884478B CN 202010741170 A CN202010741170 A CN 202010741170A CN 111884478 B CN111884478 B CN 111884478B
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- plate
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- mounting plate
- eddy current
- driven
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial airgap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/28—Eddy-current braking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A compact electromagnetic eddy current brake device belongs to the technical field of high-speed train braking, and comprises a support mechanism, a driving mechanism, a guide mechanism and an electromagnetic module, wherein the device is novel in structure and supports the driving mechanism and the guide mechanism by utilizing the support mechanism; the driving mechanism is used for transmitting driving force horizontal to the mounting plate to the inclined cutting plate, and the inclined cutting plate and the driven plate are matched with each other to convert horizontal force into driving force vertical to the mounting plate, so that the electromagnetic module is driven to complete the up-and-down lifting function under the action of the guide device; the electromagnetic module is connected with the rail through the adjusting locking nut and the adjusting cap in a threaded manner, so that the gap between the electromagnetic module and the rail is adjusted; the electromagnetic module is used for providing stable and reliable braking force. The invention has clear working principle, flexible and convenient device and compact structure, solves the problems of loose structure, low efficiency and the like of the traditional electromagnetic eddy current brake, and improves the reliability of the brake.
Description
Technical Field
The invention belongs to the technical field of high-speed train braking, relates to an electromagnetic eddy current braking device, and particularly relates to a compact electromagnetic eddy current braking device for high-speed train braking.
Background
At present, railway transportation in China is rapidly developed, the speed of trains is gradually increased, the transportation volume of the trains is increasing day by day, and the stability, safety and high efficiency of train operation become the main research direction. The traditional electromagnetic eddy current braking device suitable for the high-speed rail train at present has a loose structure and low efficiency, and cannot meet the current market demand. Therefore, there is a need to design a compact electromagnetic eddy current brake device to meet the braking requirements of high-speed trains.
Disclosure of Invention
The invention aims to overcome the defects that the conventional electromagnetic eddy current brake device is loose in structure, low in efficiency, incapable of meeting market requirements and the like, and provides a compact electromagnetic eddy current brake device.
The technical scheme of the invention is as follows: a compact electromagnetic eddy current braking device, characterized by: the electromagnetic eddy current braking device consists of a supporting mechanism, a driving mechanism, a guiding mechanism and an electromagnetic module;
the supporting mechanism consists of an upper fixed seat, a lower fixed seat and a mounting plate; the upper fixing seat and the lower fixing seat are mounted on the vehicle beam through bolts, and the mounting plate is fixedly arranged at the bottom end of the lower fixing seat;
the driving mechanism consists of a cylinder seat, a cylinder, a fastening nut, a piston rod connecting piece, a push plate, an inclined cutting plate, a sliding seat, a driven wheel shaft, a driven plate and a connecting plate; the cylinder seat and the sliding seat are fixedly arranged on the mounting plate, the cylinder is arranged on the cylinder seat, the piston rod connecting piece is connected with the cylinder through the fastening nut, the push plate is arranged on the piston rod connecting piece, the inclined cutting plates are connected to two sides of the push plate, the inclined cutting plates are connected and arranged in the sliding seat, the connecting plate is fixedly connected to the bottom of the driven plate and forms a support structure, the driven wheel shaft is arranged at the top of the support, sliding grooves are formed in the inclined cutting plates, and the sliding grooves in the inclined cutting plates are in sliding connection with the support through the driven wheel shaft;
the guide mechanism consists of a circular flange linear bearing, an adjusting cap, a guide pillar and a locking nut; the round flange linear bearing is installed on the installation plate through a bolt, the adjusting cap is arranged on the round flange linear bearing, the guide pillar penetrates through the round flange linear bearing and is in threaded connection with the adjusting cap, and the locking nut is in threaded connection with the guide pillar and then is in contact with the adjusting cap;
the electromagnetic module consists of a coil mounting plate, an iron core, an electromagnetic coil, a first ventilating plate, a second ventilating plate, a first sealing plate and a second sealing plate; the coil mounting plate is fixedly connected with the connecting plate through bolts, the iron core is fixedly connected with the coil mounting plate through bolts, the electromagnetic coil is wound on the iron core, the first ventilation plate and the second ventilation plate are fixedly connected with the left side and the right side of the coil mounting plate through bolts, and the first sealing plate and the second sealing plate are fixedly connected with the front side and the rear side of the coil mounting plate through bolts;
the driving mechanism transmits driving force horizontal to the mounting plate through the air cylinder, and the driving force vertical to the mounting plate is converted by the mutual matching of the inclined cutting plate, the driven wheel shaft and the driven plate, so that the electromagnetic module is driven to complete the up-and-down lifting function under the action of the guide mechanism.
Both ends all form horizontal sliding connection with the slide around the bevel board.
The spout on the oblique cutting plate comprises long oblique through groove and short horizontal through groove, and long oblique through groove's top is arranged in to short horizontal through groove, and both form the contained angle.
The top end of the iron core is flush with the top ends of the first ventilation plate, the second ventilation plate, the first sealing plate and the second sealing plate.
The first ventilation plate, the second ventilation plate, the first sealing plate and the second sealing plate surround the electromagnetic coil in the middle, the first ventilation plate, the second ventilation plate, the first sealing plate and the second sealing plate are connected through bolts, and ventilation openings are formed in the plates.
The electromagnetic coils are arranged on the iron core with N poles and S poles alternately.
The beneficial effects of the invention are as follows: the compact electromagnetic eddy current braking device is novel in structure and clear in working principle, the supporting mechanism is used for supporting the driving mechanism and the guiding mechanism, and the whole device is safe and reliable; the driving mechanism is used for transmitting driving force horizontal to the mounting plate to the inclined cutting plate, the inclined cutting plate and the driven plate are matched with each other to convert horizontal force into driving force vertical to the mounting plate, so that the electromagnetic module is driven to complete the up-and-down lifting function under the action of the guide device, and the electromagnetic module and the rail gap can be adjusted by adjusting the threaded connection of the locking nut and the adjusting cap; the electromagnetic module is used for providing stable and reliable braking force, when a train brakes, the electromagnetic module is electrified to generate braking force, and the braking force is transmitted to the train body through the guide mechanism and the support mechanism. The invention has clear working principle, flexible and convenient device and compact structure, solves the problems of loose structure, low efficiency and the like of the traditional electromagnetic eddy current brake, and improves the reliability of the brake.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the supporting mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the driving mechanism of the present invention.
Fig. 4 is a schematic structural view of the guide mechanism of the present invention.
Fig. 5 is a schematic structural diagram of an electromagnetic module according to the present invention.
In the figure: the device comprises a supporting mechanism 100, an upper fixed seat 101, a lower fixed seat 102, a mounting plate 103, a driving mechanism 200, a cylinder seat 201, a cylinder 202, a fastening nut 203, a piston rod connecting piece 204, a push plate 205, a bevel plate 206, a sliding seat 207, a driven wheel shaft 208, a driven plate 209, a connecting plate 210, a guide mechanism 300, a circular flange linear bearing 301, an adjusting cap 302, a guide pillar 303, a locking nut 304, an electromagnetic module 400, a coil mounting plate 401, an iron core 402, an electromagnetic coil 403, a first ventilation plate 404, a second ventilation plate 405, a first sealing plate 406 and a second sealing plate 407.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, a compact electromagnetic eddy current braking apparatus is composed of a supporting mechanism 100, a driving mechanism 200, a guiding mechanism 300 and an electromagnetic module 400.
As shown in fig. 2, in a compact electromagnetic eddy current braking apparatus, a supporting mechanism 100 is composed of an upper fixing base 101, a lower fixing base 102 and a mounting plate 103; the upper fixing seat 101 and the lower fixing seat 102 are mounted on a vehicle beam through bolts, and the mounting plate 103 is fixedly arranged on the lower fixing seat 102.
As shown in fig. 3, a compact electromagnetic eddy current brake device, a driving mechanism 200 is composed of a cylinder base 201, a cylinder 202, a fastening nut 203, a piston rod connecting piece 204, a push plate 205, a bevel cutting plate 206, a sliding base 207, a driven wheel shaft 208, a driven plate 209 and a connecting plate 210; the cylinder base 201 is installed on the installation plate 103, the cylinder 202 is installed on the cylinder base 201, the piston rod connecting piece 204 is connected with the cylinder 202 through a fastening nut 203, the push plate 205 is installed on the piston rod connecting piece 204, the inclined cutting plate 206 is installed on the push plate 205, the inclined cutting plate 206 is installed on the sliding base 207 and moves horizontally under the pushing action of the cylinder 202, the sliding base 207 is installed on the installation plate 103, the driven plate 209 is connected with the inclined cutting plate 206 through a driven wheel shaft 208, and the connecting plate 210 is installed on the driven plate 209. The driven plate 209 is connected with the bevel plate 206 through the driven wheel shaft 208, and is driven by the horizontal movement of the bevel plate 206 to realize vertical movement, thereby completing the up-and-down lifting function of the electromagnetic module 400. The bevel cutting plate 206 is provided with a long bevel through groove and a short horizontal through groove, and when the bevel cutting plate 206 moves horizontally, the driven wheel shaft 208 can slide on the long bevel through groove to drive the driven plate 209 to move vertically up and down. When the brake does not work, the driven wheel shaft 208 is parked on the short horizontal through groove, the brake is prevented from moving downwards due to air leakage of the air cylinder, and the locking effect is achieved.
As shown in fig. 4, in a compact electromagnetic eddy current braking device, a guide mechanism 300 is composed of a circular flange linear bearing 301, an adjusting cap 302, a guide post 303 and a lock nut 304; the circular flange linear bearing 301 is arranged on the mounting plate 103 through bolts, so that the vibration of a train during movement can be relieved, and the rigid damage of a force transmission piece is avoided; the adjusting cap 302 is placed on the circular flange linear bearing 301, the guide post 303 penetrates through the circular flange linear bearing 301 to be connected with the adjusting cap 302 through threads, and the locking nut 304 is connected with the guide post 303 through threads and is in contact with the adjusting cap 302; by adjusting the screw connection between the locking nut 304 and the adjusting cap 302, the electromagnetic module 400 can move up and down, thereby adjusting the gap between the electromagnetic module 400 and the rail.
As shown in fig. 5, in a compact electromagnetic eddy current braking apparatus, an electromagnetic module 400 is composed of a coil mounting plate 401, an iron core 402, an electromagnetic coil 403, a first ventilating plate 404, a second ventilating plate 405, a first closing plate 406 and a second closing plate 407; the coil mounting plate 401 is fixedly connected with the connecting plate 210 through bolts, the iron core 402 is connected with the coil mounting plate 401 through bolts, the electromagnetic coil 403 is wound on the iron core 402, the first ventilating plate 404 and the second ventilating plate 405 are mounted on two sides of the coil mounting plate 401 through bolt connection, the first sealing plate 406 and the second sealing plate 407 are connected to the front and the back of the coil mounting plate 401 through bolts, and the top end of the iron core 402 is flush with the top ends of the first ventilating plate 404, the second ventilating plate 405, the first sealing plate 406 and the second sealing plate 407; the first ventilation plate 404, the second ventilation plate 405, the first sealing plate 406 and the second sealing plate 407 surround the electromagnetic coil 403 in the middle, and are provided with ventilation openings, so that the electromagnetic coil is prevented from generating heat during operation and is used for cooling, and the plates are connected through bolts.
As shown in fig. 1 to 5, a compact electromagnetic eddy current brake device operates as follows: the supporting module is used for supporting the driving device and the guiding device, so that the whole device is safe and reliable; the driving device is used for transmitting driving force which is horizontal to the mounting plate to the inclined cutting plate, the inclined cutting plate and the driven plate are matched with each other to convert horizontal force into driving force which is vertical to the mounting plate, so that the electromagnetic module is driven to complete the up-and-down lifting function under the action of the guide device, and the electromagnetic module and a rail gap can be adjusted by adjusting the threaded connection of the locking nut and the adjusting cap; the electromagnetic module is used for providing stable and reliable braking force, when a train brakes, the electromagnetic module is electrified to generate the braking force, when the train brakes, the electromagnetic module is electrified to generate the braking force, the braking force is transmitted to the train body through the guide device and the support module, and the whole device is safe and reliable.
Claims (4)
1. A compact electromagnetic eddy current braking device, characterized by: the electromagnetic eddy current braking device consists of a supporting mechanism (100), a driving mechanism (200), a guiding mechanism (300) and an electromagnetic module (400);
the supporting mechanism (100) consists of an upper fixed seat (101), a lower fixed seat (102) and a mounting plate (103); the upper fixing seat (101) and the lower fixing seat (102) are mounted on a vehicle beam through bolts, and the mounting plate (103) is fixedly arranged at the bottom end of the lower fixing seat (102);
the driving mechanism (200) consists of a cylinder seat (201), a cylinder (202), a fastening nut (203), a piston rod connecting piece (204), a push plate (205), a beveling plate (206), a sliding seat (207), a driven wheel shaft (208), a driven plate (209) and a connecting plate (210); the cylinder seat (201) and the sliding seat (207) are fixedly arranged on the mounting plate (103), the cylinder (202) is arranged on the cylinder seat (201), the piston rod connecting piece (204) is connected with the cylinder (202) through the fastening nut (203), the push plate (205) is arranged on the piston rod connecting piece (204), the inclined cutting plates (206) are connected to two sides of the push plate (205), the inclined cutting plates (206) are connected and arranged in the sliding seat (207), the connecting plate (210) is fixedly connected to the bottom of the driven plate (209) to form a support structure, the driven wheel shaft (208) is arranged at the top of the support, sliding grooves are arranged on the inclined cutting plates (206), and the sliding grooves on the inclined cutting plates (206) are in sliding connection with the support through the driven wheel shaft (208);
the guide mechanism (300) consists of a circular flange linear bearing (301), an adjusting cap (302), a guide post (303) and a locking nut (304); the round flange linear bearing (301) is mounted on the mounting plate (103) through a bolt, the adjusting cap (302) is arranged on the round flange linear bearing (301), the guide post (303) penetrates through the round flange linear bearing (301) to be connected with the adjusting cap (302) through threads, and the locking nut (304) is in contact with the adjusting cap (302) after being connected with the guide post (303) through threads;
the electromagnetic module (400) is composed of a coil mounting plate (401), an iron core (402), an electromagnetic coil (403), a first ventilating plate (404), a second ventilating plate (405), a first sealing plate (406) and a second sealing plate (407); the coil mounting plate (401) is fixedly connected with the connecting plate (210) through bolts, the iron core (402) is fixedly connected with the coil mounting plate (401) through bolts, the electromagnetic coil (403) is wound on the iron core (402), the first ventilating plate (404) and the second ventilating plate (405) are fixedly connected with the left side and the right side of the coil mounting plate (401) through bolts, and the first sealing plate (406) and the second sealing plate (407) are fixedly connected with the front side and the rear side of the coil mounting plate (401) through bolts;
the driving mechanism (200) transmits a driving force horizontal to the mounting plate (103) through the air cylinder (202), and the driving force vertical to the mounting plate (103) is converted by the mutual matching of the inclined cutting plate (206), the driven wheel shaft (208) and the driven plate (209), so that the electromagnetic module (400) is driven to complete the up-and-down lifting function under the action of the guide mechanism (300);
the front end and the rear end of the inclined cutting plate (206) are in horizontal sliding connection with the sliding seat (207);
the chute on the inclined cutting plate (206) consists of a long inclined through groove and a short horizontal through groove, the short horizontal through groove is arranged above the long inclined through groove, and an included angle is formed between the long inclined through groove and the short horizontal through groove.
2. A compact electromagnetic eddy current brake as claimed in claim 1, wherein: the top end of the iron core (402) is flush with the top ends of the first ventilating plate (404), the second ventilating plate (405), the first sealing plate (406) and the second sealing plate (407).
3. A compact eddy current electromagnetic brake, as claimed in claim 1, wherein: the first ventilation plate (404), the second ventilation plate (405), the first sealing plate (406) and the second sealing plate (407) surround the electromagnetic coil in the middle, the plates are connected through bolts, and ventilation openings are formed in the plates.
4. A compact electromagnetic eddy current brake as claimed in claim 1, wherein: the electromagnetic coils (403) are arranged on the iron core with N poles and S poles alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741170.0A CN111884478B (en) | 2020-07-29 | 2020-07-29 | Compact electromagnetic eddy current brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741170.0A CN111884478B (en) | 2020-07-29 | 2020-07-29 | Compact electromagnetic eddy current brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111884478A CN111884478A (en) | 2020-11-03 |
| CN111884478B true CN111884478B (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010741170.0A Active CN111884478B (en) | 2020-07-29 | 2020-07-29 | Compact electromagnetic eddy current brake device |
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| Country | Link |
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| CN (1) | CN111884478B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19963491A1 (en) * | 1999-12-28 | 2001-07-05 | Alstom Power Schweiz Ag Baden | Process for producing high-quality insulation of electrical conductors or conductor bundles of rotating electrical machines by means of spray sintering |
| CN107707089B (en) * | 2017-11-02 | 2019-06-11 | 中车株洲电机有限公司 | The glue spraying method of stator winding glue spraying positioning support turntable and stator winding |
| CN208143054U (en) * | 2018-04-25 | 2018-11-23 | 常州市奥华机电制造有限公司 | A kind of postwelding armature insulation layer coating unit |
| CN109649179B (en) * | 2019-02-20 | 2021-11-02 | 扬州大学 | Combined electromagnetic eddy current brake device |
| CN110271426B (en) * | 2019-07-26 | 2024-04-26 | 扬州大学 | Electromagnetic vortex brake device |
| CN212649351U (en) * | 2020-07-29 | 2021-03-02 | 扬州大学 | Compact electromagnetic eddy current brake device |
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2020
- 2020-07-29 CN CN202010741170.0A patent/CN111884478B/en active Active
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| CN111884478A (en) | 2020-11-03 |
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