CN112268085A - Automatic gap adjusting device for eddy current brake - Google Patents
Automatic gap adjusting device for eddy current brake Download PDFInfo
- Publication number
- CN112268085A CN112268085A CN202011153464.8A CN202011153464A CN112268085A CN 112268085 A CN112268085 A CN 112268085A CN 202011153464 A CN202011153464 A CN 202011153464A CN 112268085 A CN112268085 A CN 112268085A
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- China
- Prior art keywords
- mounting plate
- gap
- worm
- eddy current
- air cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/002—Brakes with direct electrical or electro-magnetic actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
- F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
An automatic gap adjusting device for an eddy current brake belongs to the technical field of eddy current brake equipment, and the device integrally comprises a supporting mechanism, a driving device, a guide mechanism, a gap adjusting mechanism and an electromagnetic module; the supporting mechanism is utilized to provide support for the driving mechanism, the gap adjusting mechanism and the guiding mechanism, and the whole device is safe and reliable; a driving mechanism is used for transmitting a 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 gap adjusting device adjusts the gap between the electromagnetic module and the rail through the matching of a worm and a worm wheel or a rack and a gear; 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, overcomes the defect that the traditional electromagnetic eddy current brake can not automatically adjust the gap, and improves the reliability and the high efficiency of the brake.
Description
Technical Field
The invention belongs to the technical field of eddy current brake equipment, relates to an automatic gap adjusting device, and particularly relates to an automatic gap adjusting device for an eddy current brake.
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 cannot realize automatic gap adjustment, is low in efficiency and cannot meet the current market demand. Therefore, it is necessary to design an automatic backlash adjustment device for an eddy current brake to meet the braking demand of a high-speed train.
Disclosure of Invention
The invention aims to provide an automatic gap adjusting device for an eddy current brake, aiming at the problems that the conventional electromagnetic eddy current brake cannot realize automatic gap adjustment, has low efficiency and cannot meet the current market demand.
The technical scheme of the invention is as follows: an automatic backlash adjustment device for an eddy current brake, characterized in that: the automatic gap adjusting device consists of a supporting mechanism, a driving mechanism, a guiding mechanism, a gap adjusting mechanism and an electromagnetic module;
the supporting mechanism consists of a mounting plate, and the mounting plate is provided with three through holes in parallel;
the driving mechanism consists of a first air cylinder, a first air cylinder mounting frame, a first air cylinder piston rod, a floating joint and a push rod; the first air cylinder mounting frame is connected to the mounting plate, the first air cylinder is connected to the first air cylinder mounting frame, and the push rod is connected and arranged below a piston rod of the first air cylinder through a floating joint;
the guide mechanism consists of a circular flange linear bearing, a guide pillar and a worm gear adjusting cap; the circular flange linear bearing is installed on the installation plate, the worm wheel adjusting cap is arranged on the circular flange linear bearing, and the guide pillar penetrates through the circular flange linear bearing and is in threaded connection with the worm wheel adjusting cap;
the gap adjusting mechanism consists of a second cylinder, a second cylinder piston rod, a sliding groove, a push plate, a motor, a worm, a motor supporting frame and a cylinder mounting plate; the sliding groove is fixedly connected with the mounting plate, the air cylinder mounting plate is arranged on the side surface of the mounting plate in a connecting manner, the second air cylinder is arranged on the air cylinder mounting plate in a connecting manner, the push plate is arranged in the sliding groove, the piston rod of the second air cylinder is connected with the push plate, the motor is connected onto the push plate, the worm is arranged on the motor, and two ends of the motor support frame are fixedly connected with the push plate;
the electromagnetic module consists of a coil mounting plate and an excitation coil unit; the magnet exciting coil unit is connected to the coil mounting plate through a bolt, when a gap exists between the electromagnetic module and a rail, the second cylinder drives a piston rod of the second cylinder to pull the push plate, so that the worm is meshed with the worm wheel of the worm wheel adjusting cap, and the motor drives the worm to move; when the gap is larger, the worm drives the worm wheel adjusting cap to move downwards, so that the gap between the electromagnetic module and the rail is reduced; when the clearance is smaller, the worm drives the worm wheel adjusting cap to move upwards, so that the clearance between the electromagnetic module and the rail is enlarged, and the purpose of automatically adjusting the clearance is achieved.
The driving mechanism transmits driving force perpendicular to the mounting plate through the first air cylinder, and drives the electromagnetic module to complete up-down lifting under the action of the guide mechanism.
The guide mechanism and the gap adjusting mechanism are arranged in pairs and are respectively arranged on two sides of the driving mechanism.
The lower ends of the guide post and the push rod are fixedly connected with the coil mounting plate.
The mounting plate, the coil mounting plate and the excitation coil unit are equal in length and width.
The spout sets up in the side of mounting panel, and the spout is L template structure, and the spout forms the clearance with the mounting panel side, and the push pedal forms sliding clearance fit with this clearance.
The invention has the beneficial effects that: the invention provides an automatic gap adjusting device for an eddy current brake, which integrally comprises a supporting mechanism, a driving device, a guide mechanism, a gap adjusting mechanism and an electromagnetic module, and is novel in structure; the supporting mechanism is utilized to provide support for the driving mechanism, the gap adjusting mechanism and the guiding mechanism, and the whole device is safe and reliable; a driving mechanism is used for transmitting a 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 gap adjusting device adjusts the gap between the electromagnetic module and the rail through the matching of a worm and a worm wheel or a rack and a gear; 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, overcomes the defect that the traditional electromagnetic eddy current brake can not automatically adjust the gap, and improves the reliability and the high efficiency 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 the gap adjusting mechanism of the present invention.
Fig. 6 is a schematic structural diagram of an electromagnetic module according to the present invention.
Fig. 7 is a schematic structural view of a second embodiment of the gap adjusting mechanism of the present invention.
In the figure: the device comprises a supporting mechanism 100, a mounting plate 101, a driving device 200, a first air cylinder 201, a first air cylinder mounting frame 202, a first air cylinder piston rod 203, a floating joint 204, a push rod 205, a guide mechanism 300, a circular flange linear bearing 301, a guide pillar 302, a worm wheel adjusting cap 303, a gap adjusting mechanism 400, a second air cylinder 401, a second air cylinder piston rod 402, a sliding chute 403, a push plate 404, a motor 405, a worm 406, a motor supporting frame 407, an air cylinder mounting plate 408, an electromagnetic module 500, a coil mounting plate 501, a field coil unit 502, a rack type gap adjusting mechanism 600, a third air cylinder 601, a third air cylinder mounting frame 602, a third air cylinder piston rod 603, a rack 604, a gear adjusting cap 605 and a rack sliding chute 606.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, an automatic backlash adjustment device for an eddy current brake is composed of a support mechanism 100, a driving mechanism 200, a guide mechanism 300, a backlash adjustment mechanism 400, and an electromagnetic module 500.
As shown in fig. 2, in an automatic backlash adjustment device for an eddy current brake, a support mechanism 100 is composed of a mounting plate 101.
As shown in fig. 3, in an automatic gap adjusting device for an eddy current brake, a driving mechanism 200 is composed of a first cylinder 201, a cylinder mounting bracket 202, a first cylinder piston rod 203, a floating joint 204 and a push rod 205; the cylinder mounting 202 is connected to the mounting plate 101 through bolts, the first cylinder 201 is connected to the cylinder mounting 202 through bolts, and the push rod 205 and the first cylinder piston rod 203 are connected through a floating joint 204.
As shown in fig. 4, an automatic gap adjusting device for an eddy current brake, a guide mechanism 300 is composed of a circular flange linear bearing 301, a guide post 302, a worm gear adjusting cap 303; the circular flange linear bearing 301 is installed on the installation plate 101 through bolts, the worm wheel adjusting cap 303 is arranged on the circular flange linear bearing 301, and the guide pillar 302 penetrates through the circular flange linear bearing 301 and is connected with the worm wheel adjusting cap 303 through threads.
As shown in fig. 5, an automatic gap adjusting device for an eddy current brake, a gap adjusting mechanism 400 is composed of a second cylinder 401, a second cylinder piston rod 402, a sliding chute 403, a push plate 404, a motor 405, a worm 406, a motor support frame 407 and a cylinder mounting plate 408; the second cylinder 401 is connected to the cylinder mounting plate 408 through a bolt, the cylinder mounting plate 408 is connected to the side face of the mounting plate 101 through a bolt, a piston rod 402 of the second cylinder is connected to the push plate 404, the motor 405 is connected to the push plate 404 through a bolt, the worm 406 is mounted on the motor 405, and the motor support frame 407 is connected to the two ends of the push plate 404 through bolts. The detector is installed at the bottom end of the electromagnetic module 500, if the gap between the electromagnetic module 500 and the rail is larger or smaller, the second cylinder 401 works, the second cylinder piston rod 402 pulls the push plate 404, the worm 406 is meshed with the worm wheel of the worm wheel adjusting cap 303, the motor drives the worm 406 to move, and when the gap is larger, the worm 406 drives the worm wheel adjusting cap 303 to move downwards, so that the gap between the electromagnetic module 500 and the rail is smaller; when the gap is small, the worm 406 drives the worm wheel adjusting cap 303 to move upwards, so that the gap between the electromagnetic module 500 and the rail is enlarged, and the purpose of automatically adjusting the gap is achieved.
As shown in fig. 6, an automatic gap adjusting apparatus for an eddy current brake, an electromagnetic module 500 is composed of a coil mounting plate 501 and an exciting coil unit 502; the exciting coil unit 502 is bolted to the coil mounting plate 501.
As shown in fig. 7, a second embodiment of a clearance adjusting mechanism in an automatic clearance adjusting device for an eddy current brake is shown, the clearance adjusting mechanism is a rack type clearance adjusting mechanism, and the rack type clearance adjusting mechanism 600 is composed of a third cylinder 601, a third cylinder mounting frame 602, a third cylinder piston rod 603, a rack 604, a gear adjusting cap 605 and a rack sliding groove 606; third cylinder mounting bracket 602 passes through bolted connection on push pedal 404, and third cylinder 601 is installed on third cylinder mounting bracket 602, and third cylinder piston rod 603 links to each other with rack 604, and rack 604 is placed in rack spout 606, and rack 604 and gear adjustment cap 605 mutually support and transfer the clearance. When the gap is adjusted, a detector is installed at the bottom end of the electromagnetic module 500, if the gap between the electromagnetic module 500 and a rail is larger or smaller, the second cylinder 401 drives the second cylinder piston rod 402, the second cylinder piston rod 402 pulls the push plate 404 to enable the rack 604 to be meshed with the gear of the gear adjusting cap 605, the third cylinder 601 works, the third cylinder piston rod 603 pulls the rack 604, the rack 604 and the gear adjusting cap 605 are matched with each other, and when the gap is larger, the rack 604 drives the gear adjusting cap 605 to move downwards, so that the gap between the electromagnetic module 500 and the rail is smaller; when the gap is small, the rack 604 drives the gear adjusting cap 605 to move upwards, so that the gap between the electromagnetic module and the rail is enlarged, and the purpose of automatically adjusting the gap is achieved.
As shown in fig. 1 to 7, an automatic backlash adjustment device for an eddy current brake operates on the following principle: a driving mechanism is used for transmitting a 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 gap adjusting device adjusts the gap between the electromagnetic module and the rail through the matching of a worm and a worm wheel or a rack and a gear; the electromagnetic module is used for providing stable and reliable braking force. The whole device is flexible and convenient, has compact structure and improves the working efficiency.
Claims (6)
1. An automatic backlash adjustment device for an eddy current brake, characterized in that: the automatic gap adjusting device consists of a supporting mechanism (100), a driving mechanism (200), a guiding mechanism (300), a gap adjusting mechanism (400) and an electromagnetic module (500);
the supporting mechanism (100) is composed of a mounting plate (101), and the mounting plate (101) is provided with three through holes in parallel;
the driving mechanism (200) is composed of a first air cylinder (201), a first air cylinder mounting frame (202), a first air cylinder piston rod (203), a floating joint (204) and a push rod (205); the first air cylinder mounting frame (202) is connected to the mounting plate (101), the first air cylinder (201) is connected to the first air cylinder mounting frame (202), and the push rod (205) is connected and arranged below a piston rod (203) of the first air cylinder through a floating joint (204);
the guide mechanism (300) consists of a circular flange linear bearing (301), a guide post (302) and a worm gear adjusting cap (303); the circular flange linear bearing (301) is mounted on the mounting plate (101), the worm wheel adjusting cap (303) is arranged on the circular flange linear bearing (301), and the guide post (302) penetrates through the circular flange linear bearing (301) to be in threaded connection with the worm wheel adjusting cap (303);
the clearance adjusting mechanism (400) consists of a second air cylinder (401), a second air cylinder piston rod (402), a sliding groove (403), a push plate (404), a motor (405), a worm (406), a motor support frame (407) and an air cylinder mounting plate (408); the sliding groove (403) is fixedly connected with the mounting plate (101), the cylinder mounting plate (408) is arranged on the side surface of the mounting plate (101), the second cylinder (401) is arranged on the cylinder mounting plate (408) in a connecting manner, the push plate (404) is arranged in the sliding groove (403), the piston rod (402) of the second cylinder is connected with the push plate (404), the motor (405) is connected with the push plate (404), the worm (406) is arranged on the motor (405), and two ends of the motor supporting frame (407) are fixedly connected with the push plate (404);
the electromagnetic module (500) is composed of a coil mounting plate (501) and a magnet exciting coil unit (502); the magnet exciting coil unit (502) is connected to the coil mounting plate (501) through a bolt, when a gap exists between the electromagnetic module (500) and a rail, the second cylinder (401) drives the second cylinder piston rod (402) to pull the push plate (404), so that the worm (406) is meshed with the worm wheel of the worm wheel adjusting cap (303), and the motor drives the worm (406) to move; when the gap is large, the worm (406) drives the worm wheel adjusting cap (303) to move downwards, so that the gap between the electromagnetic module (500) and the rail is reduced; when the gap is small, the worm (406) drives the worm wheel adjusting cap (303) to move upwards, so that the gap between the electromagnetic module (500) and the rail is enlarged, and the purpose of automatically adjusting the gap is achieved.
2. An automatic backlash adjustment device for an eddy current brake as claimed in claim 1, wherein: the driving mechanism (200) transmits driving force vertical to the mounting plate (101) through the first air cylinder (201), and drives the electromagnetic module (500) to complete up-and-down lifting under the action of the guide mechanism (300).
3. An automatic backlash adjustment device for an eddy current brake as claimed in claim 1, wherein: the guide mechanism (300) and the gap adjusting mechanism (400) are arranged in pairs and are respectively arranged on two sides of the driving mechanism (200).
4. An automatic backlash adjustment device for an eddy current brake as claimed in claim 1, wherein: the lower ends of the guide post (302) and the push rod (205) are fixedly connected with the coil mounting plate (501).
5. An automatic backlash adjustment device for an eddy current brake as claimed in claim 1, wherein: the mounting plate (101), the coil mounting plate (501) and the excitation coil unit (502) are equal in length and width.
6. An automatic backlash adjustment device for an eddy current brake as claimed in claim 1, wherein: the sliding groove (403) is arranged on the side face of the mounting plate (101), the sliding groove (403) is of an L-shaped plate structure, a gap is formed between the sliding groove (403) and the side face of the mounting plate (101), and the push plate (404) is in sliding clearance fit with the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011153464.8A CN112268085B (en) | 2020-10-26 | 2020-10-26 | Automatic gap adjusting device for eddy current brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011153464.8A CN112268085B (en) | 2020-10-26 | 2020-10-26 | Automatic gap adjusting device for eddy current brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112268085A true CN112268085A (en) | 2021-01-26 |
| CN112268085B CN112268085B (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011153464.8A Active CN112268085B (en) | 2020-10-26 | 2020-10-26 | Automatic gap adjusting device for eddy current brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112268085B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0995923A2 (en) * | 1998-10-24 | 2000-04-26 | Meritor Automotive, Inc. | Vehicle brake having electric motor control of brake running clearance |
| US6659237B1 (en) * | 1999-11-22 | 2003-12-09 | Magnetar Technologies, Ltd. | Eddy current brake |
| US20040055836A1 (en) * | 1999-11-22 | 2004-03-25 | Pribonic Edward M. | Eddy current braking apparatus with adjustable braking force |
| CN101086284A (en) * | 2006-06-07 | 2007-12-12 | 韩兆瑞 | Automatic regulating arm for automobile braking |
| AU2007254643A1 (en) * | 2001-07-02 | 2008-01-24 | Magna Force, Inc. | Apparatus, systems and methods for levitating and moving objects |
| CN101162031A (en) * | 2006-10-10 | 2008-04-16 | 崔晓光 | Automobile brake reducer |
| CN102518711A (en) * | 2011-12-09 | 2012-06-27 | 浙江大学台州研究院 | Vehicle electronic mechanical brake with gap regulating function |
| CN102853000A (en) * | 2012-09-15 | 2013-01-02 | 浙江大学台州研究院 | Automobile brake controlled by wire |
| CN110271426A (en) * | 2019-07-26 | 2019-09-24 | 扬州大学 | A kind of electromagnetic eddy current braking device |
| CN111645531A (en) * | 2020-06-16 | 2020-09-11 | 中车青岛四方车辆研究所有限公司 | Electromagnetic interference suppression method based on eddy current brake |
| CN213870858U (en) * | 2020-10-26 | 2021-08-03 | 扬州大学 | Automatic gap adjusting device for eddy current brake |
-
2020
- 2020-10-26 CN CN202011153464.8A patent/CN112268085B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0995923A2 (en) * | 1998-10-24 | 2000-04-26 | Meritor Automotive, Inc. | Vehicle brake having electric motor control of brake running clearance |
| US6659237B1 (en) * | 1999-11-22 | 2003-12-09 | Magnetar Technologies, Ltd. | Eddy current brake |
| US20040055836A1 (en) * | 1999-11-22 | 2004-03-25 | Pribonic Edward M. | Eddy current braking apparatus with adjustable braking force |
| AU2007254643A1 (en) * | 2001-07-02 | 2008-01-24 | Magna Force, Inc. | Apparatus, systems and methods for levitating and moving objects |
| CN101086284A (en) * | 2006-06-07 | 2007-12-12 | 韩兆瑞 | Automatic regulating arm for automobile braking |
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| CN102518711A (en) * | 2011-12-09 | 2012-06-27 | 浙江大学台州研究院 | Vehicle electronic mechanical brake with gap regulating function |
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| CN110271426A (en) * | 2019-07-26 | 2019-09-24 | 扬州大学 | A kind of electromagnetic eddy current braking device |
| CN111645531A (en) * | 2020-06-16 | 2020-09-11 | 中车青岛四方车辆研究所有限公司 | Electromagnetic interference suppression method based on eddy current brake |
| CN213870858U (en) * | 2020-10-26 | 2021-08-03 | 扬州大学 | Automatic gap adjusting device for eddy current brake |
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| 裴玉春: "现代有轨电车电磁轨道制动方式初探", 《铁道机车车辆》 * |
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| CN112268085B (en) | 2022-03-18 |
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