CN109515423A - Electromechanical checking cylinder and braking method - Google Patents
Electromechanical checking cylinder and braking method Download PDFInfo
- Publication number
- CN109515423A CN109515423A CN201811477829.5A CN201811477829A CN109515423A CN 109515423 A CN109515423 A CN 109515423A CN 201811477829 A CN201811477829 A CN 201811477829A CN 109515423 A CN109515423 A CN 109515423A
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- China
- Prior art keywords
- splined shaft
- screw
- ball
- electromechanical
- checking cylinder
- Prior art date
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to rail vehicle braking technical fields, specifically a kind of electromechanical checking cylinder and braking method, connector is fixedly linked with nut, it is threadedly engaged on the inside of nut with the ball screw, the one end of ball-screw far from nut is fixedly linked with splined shaft, rotor is also arranged on the outside of ball-screw, splined shaft outer sheath is equipped with rotary transformer rotor, the rotary transformer stator for being correspondingly fixed with the rotor matched with motor stator on shell and being matched with rotary transformer rotor, splined shaft outer sheath is equipped with force transmitting board, force transmitting board rear end is connected with electricity loss brake, and the inner ring of electricity loss brake is set in the outside of splined shaft.The present invention is compared with the existing technology, the advantage is that: structure of the invention is compact, can directly replace the air brake cylinder in former Pneumatic brake systems, and fast response time, control precision height, noiseless, it is light-weight, without gas leakage oil leak the problem of, and structure adapts to the electromagnetic environment of complexity.
Description
Technical field
The present invention relates to rail vehicle braking technical field, specifically a kind of electromechanical checking cylinder and braking method.
Background technique
Rail traffic brake field, friction catch are essential systems in vehicle as a kind of safe mode of braking
Flowing mode, traditional friction catch mode have air damping and hydraulic braking, but the complicated composition of both braking systems, system
Low-response, control precision is low, volume is big, weight weight, can generate noise pollution, there are problems that gas leakage and oil leak.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, a kind of electromechanical checking cylinder and braking method, control are provided
Precision processed is high, and without gas leakage Leakage.
To achieve the goals above, a kind of electromechanical checking cylinder is designed, the electromechanical checking cylinder includes connector, spiral shell
Mother, ball-screw, splined shaft and shell, the connector are fixedly linked with nut, the nut inside and the rolling
Ballscrew is threadedly engaged, and the one end of ball-screw far from nut is fixedly linked with splined shaft, is also covered on the outside of the ball-screw
Equipped with rotor, the splined shaft outer sheath is equipped with rotary transformer rotor, is correspondingly fixed on the shell
The rotor matched with motor stator and the rotary transformer stator matched with rotary transformer rotor, the spline
Axis outer sheath is equipped with force transmitting board for accepting axial force, and force transmitting board rear end is connected with electricity loss brake, and electricity loss brake
Inner ring is set in the outside of splined shaft.
The present invention also has following preferred technical solution:
The nut is equipped with guiding shell far from the outer sheath of connector one end, and the shell front and rear sides are equipped with opening,
The opening of side is removably connected with guiding shell, and the opening of the other side is removably connected with cover board.
Dirt-proof boot is installed, one end of dirt-proof boot is sheathed on the outside of guiding shell, and the other end is sheathed in the guiding shell
On the outside of connector.
One end of the splined shaft is equipped with groove, for being cooperatively connected with the end of ball-screw.
Outer sheath of the splined shaft close to ball-screw one end is equipped with spline housing, the rotor and spline housing
Outside is correspondingly provided with the first notch and the second notch, and first notch and the second notch, which match, constitutes the first groove, institute
The shell stated is equipped with extended segment inwardly, and extended segment one end is removably connected with bearing plate, on bearing plate and extended segment
It is correspondingly provided with third notch and the 4th notch, the third notch and the 4th notch match composition and correspond to described first
Second groove of the position of groove is connected with roller bearing between first groove and the second groove.
The outer wall of the splined shaft is equipped with first step structure, for limiting to spline housing.
The outer wall of the splined shaft is equipped with second step structure, is clamped with two between second step structure and thrust plate
Block self-lubricating plate is clamped with a flat thrust bearing between two blocks of self-lubricating plates.
Mounting hole is respectively equipped on the shell and connector for connecting with external device (ED).
Wear-resistant sleeve is installed in the mounting hole of the connector and shell.
The present invention also designs a kind of braking method, and the method is specific as follows: motor stator obtain it is electric so that rotor
Rotation, and then drive spline housing, splined shaft and ball screw turns, ball guide screw nat that rotation is switched to be translatable, thus real
Existing checking cylinder it is flexible, when checking cylinder stretches out the reaction force of launch force by connector, nut, ball-screw, splined shaft and
Plain thrust bearing passes to force transmitting board, and in the process, the angle-data of rotary transformer measurement motor simultaneously feeds back signal
To the controller of motor, so that controlling motor makes the size of ball-screw distance of stretch out and draw back.
Compared with the existing technology, composite structure simple possible is easily installed and dismantles, the advantage is that: this hair the present invention
It is bright compact-sized, the air brake cylinder in former Pneumatic brake systems can be directly replaced, and fast response time, control precision are high, nothing
Noise, it is light-weight, without gas leakage oil leak the problem of, and structure adapts to complicated electromagnetic environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electromechanical checking cylinder of the present invention in an embodiment.
Fig. 2 is the cross-sectional view of electromechanical checking cylinder of the present invention in an embodiment.
In figure: 1. connector, 2. dirt-proof boot, 3. guiding shell, 4. motor stator, 5. rotor, 6. drive end bearing bracket
7. 12. rotary transformer stator of the second groove 8. thrust plate, 9. shell, 10. driving hole, 11. cover board, 13. shell
Flat 16. crossed roller bearing 17. of thrust bearing of 14. rotary transformer rotor of extended segment 15. that body is equipped with inwardly
18. electricity loss brake of splined shaft, 19. 20. first groove of self-lubricating plate, 21. spline housing, 22. ball-screw 23.
26. hose clamp of nut 24. screw, 25. socket, 27. cable jacket.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings, and the structure and principle of this device are for the people of this profession
It is very clearly.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this
Invention.
Referring to Fig. 1 and Fig. 2, the connector includes the ipsilateral crosspiece being equipped with of a straight section and straight section both ends to straight section,
Mounting hole is offered on crosspiece for connecting with external device (ED).Straight section is convex equipped with circumferential direction to the side direction for being equipped with crosspiece at middle part
Limit section out, limit section inside is used for one end of attaching nut, and is also equipped with threaded hole in the circumferential on the inside of limit section.Institute
The nut stated is in hollow cylindrical section, and the both ends of cylindrical section are equipped with circumferentially extending section, the circumferentially extending close to connector one end
Threaded hole is equipped at section, for being connected by screw with connector.And it is additionally provided in the connection section part of connector and nut recessed
Slot, groove is interior to be equipped with O-ring.The nut interior is matched with ball-screw, constitutes ball nut lead screw pair.The spiral shell
Female outer sheath be equipped with both ends open guiding shell, opening of the guiding shell close to connector one end be connected by screw to drive end bearing bracket with
Realize closing.In the circumferential to extended segment is externally provided in the middle part of guiding shell, the outer end of extended segment is equipped with screw thread, for passing through with shell
It is threadedly engaged the simultaneously clamping sleeve that is connected and is set to the motor stator on the outside of ball-screw.In the circumferential to being externally provided in the middle part of guiding shell
Extended segment one end of dirt-proof boot is connected with close to connector side, the other end of dirt-proof boot is connected to the limit section of connector
Outside, and the both ends of dirt-proof boot are fixed by hose clamp.
The outer end of the ball-screw is connected with splined shaft, and one end of the splined shaft is equipped with groove, the rolling
The outer end of ballscrew can be cooperatively connected in groove by key, and the outside end of the ball-screw is equipped with threaded hole, institute
The other end for the splined shaft stated also is provided with groove, in order to further reinforce the connection between ball-screw by screw.
Outer sheath of the splined shaft close to ball-screw one end is equipped with spline housing, and the outer wall of the ball-screw
It is equipped with first step structure, for limiting to spline housing.It is also arranged with rotor on the outside of the ball-screw, electricity
Machine rotor is adjacent with the spline housing, the rotor include to be set in the linkage section on the outside of ball-screw, and by
The cooperation section that linkage section matches after outside extends with motor stator in the axial direction, the linkage section outside of the rotor and flower
Key set outside is correspondingly provided with the first notch and the second notch, and it is recessed that first notch and the second notch match composition first
Slot, the shell are equipped with extended segment inwardly, and extended segment one end is removably connected with bearing plate, bearing plate and extension
Third notch and the 4th notch are correspondingly provided in section, the third notch and the 4th notch match composition corresponding to described
Second groove of the position of the first groove is connected with crossed roller bearing between first groove and the second groove.
The splined shaft outer sheath is equipped with force transmitting board, and bearing, and the spline are equipped between force transmitting board and splined shaft
The outer wall of axis is equipped with second step structure, two blocks of self-lubricating plates is clamped between second step structure and thrust plate, two pieces certainly
A flat thrust bearing is clamped between lube plate.The thrust plate is connected by screw to and is set in splined shaft outside end
Electricity loss brake is fixedly linked, i.e. electricity loss brake outer ring is fixed by screws on force transmitting board, and inner ring is mounted on flower by key
On key axis, and retaining ring is installed in splined shaft end.
It is additionally provided with rotary transformer rotor on the outside of the splined shaft, is correspondingly fixed on the shell and motor
The rotor that stator matches and the rotary transformer stator matched with rotary transformer rotor.The shell and force transmitting board
It is slidably non-rotatable connection.The housing rear end is removably connected with cover board by screw thread, and lid surface is drilled with
Driving hole is plugged with rubber screw plug in driving hole.And socket is also equipped on the shell for for rotary transformer, motor
Electricity loss brake power supply.Mounting hole is additionally provided on the shell for connecting with external device (ED).
In one preferred embodiment, the motor is direct current torque motor.
In one preferred embodiment, wear-resistant sleeve is installed in the mounting hole of the connector and shell.
In one preferred embodiment, the dirt-proof boot uses rubber or synthetic material.
In one preferred embodiment, it is equipped with threading hole on the force transmitting board and in the shell, is set in threading hole
There is cable jacket.
When work, motor stator obtains electric, so that rotor rotates, and then drives spline housing, splined shaft and ball-screw
Rotation, ball guide screw nat switch to rotation to be translatable, to realize the flexible of checking cylinder, in the process, rotary transformer
It measures the angle-data of motor and signal is fed back to the controller of motor, so that controlling motor makes ball-screw distance of stretch out and draw back
Size.
Checking cylinder stretches out, and the reaction force of launch force is pushed away by connector, nut, ball-screw, splined shaft and plane
Power bearing passes to force transmitting board.
When electronics powers off, electricity loss brake also powers off simultaneously, and transmission shaft is forced quickly to stall.
The checking cylinder of present embodiment is compact-sized, it is light-weight, protect, braking efficiency it is high, built-in structure can fit
Answer complicated electromagnetic environment.
Claims (10)
1. a kind of electromechanical checking cylinder, it is characterised in that the electromechanical checking cylinder include connector, nut, ball-screw,
Splined shaft and shell, the connector are fixedly linked with nut, match on the inside of the nut with the ball screw screw thread
It closes, the one end of ball-screw far from nut is fixedly linked with splined shaft, it is also arranged with rotor on the outside of the ball-screw,
The splined shaft outer sheath is equipped with rotary transformer rotor, is correspondingly fixed on the shell and matches with motor stator
The rotor of conjunction and the rotary transformer stator matched with rotary transformer rotor, the splined shaft outer sheath, which is equipped with, to be used
In the force transmitting board for accepting axial force, force transmitting board rear end is connected with electricity loss brake, and the inner ring of electricity loss brake is set in spline
The outside of axis.
2. electromechanical checking cylinder as described in claim 1, it is characterised in that outside of the nut far from connector one end
It is arranged with guiding shell, the shell front and rear sides are equipped with opening, and the opening of side is removably connected with guiding shell, separately
The opening of side is removably connected with cover board.
3. electromechanical checking cylinder as claimed in claim 2, it is characterised in that dirt-proof boot is installed in the guiding shell, it is dust-proof
One end of set is sheathed on the outside of guiding shell, and the other end is sheathed on the outside of connector.
4. electromechanical checking cylinder as described in claim 1, it is characterised in that one end of the splined shaft is equipped with groove, is used for
It is cooperatively connected with the end of ball-screw.
5. electromechanical checking cylinder as described in claim 1, it is characterised in that the splined shaft is close to ball-screw one end
Outer sheath is equipped with spline housing, is correspondingly provided with the first notch and the second notch on the outside of the rotor and spline housing, described
First notch and the second notch, which match, constitutes the first groove, and the shell is equipped with extended segment inwardly, and extended segment one end can
Disassembly is connected with bearing plate, and third notch and the 4th notch, the third are correspondingly provided on bearing plate and extended segment
Notch and the 4th notch match constitute correspond to first groove position the second groove, first groove and
Roller bearing is connected between second groove.
6. electromechanical checking cylinder as described in claim 1, it is characterised in that the outer wall of the splined shaft is equipped with First
Stage structure, for being limited to spline housing.
7. electromechanical checking cylinder as described in claim 1, it is characterised in that the outer wall of the splined shaft is equipped with second
Stage structure, is clamped with two blocks of self-lubricating plates between second step structure and thrust plate, it is flat to be clamped with one between two blocks of self-lubricating plates
Thrust bearing.
8. electromechanical checking cylinder as described in claim 1, it is characterised in that be respectively equipped with peace on the shell and connector
Dress hole with external device (ED) for connecting.
9. electromechanical checking cylinder as claimed in claim 8, it is characterised in that installation in the mounting hole of the connector and shell
There is wear-resistant sleeve.
10. a kind of braking method using electromechanical checking cylinder as described in claim 1, it is characterised in that the method tool
Body is as follows: motor stator obtains electric, so that rotor rotates, and then drives spline housing, splined shaft and ball screw turns, ball
Screw pair switchs to rotation to be translatable, to realize the flexible of checking cylinder, the reaction force of launch force is logical when checking cylinder stretches out
It crosses connector, nut, ball-screw, splined shaft and plain thrust bearing and passes to force transmitting board, in the process, rotary transformer
It measures the angle-data of motor and signal is fed back to the controller of motor, so that controlling motor makes ball-screw distance of stretch out and draw back
Size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477829.5A CN109515423B (en) | 2018-12-05 | 2018-12-05 | Electromechanical brake cylinder and braking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477829.5A CN109515423B (en) | 2018-12-05 | 2018-12-05 | Electromechanical brake cylinder and braking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109515423A true CN109515423A (en) | 2019-03-26 |
| CN109515423B CN109515423B (en) | 2024-02-02 |
Family
ID=65794444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811477829.5A Active CN109515423B (en) | 2018-12-05 | 2018-12-05 | Electromechanical brake cylinder and braking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109515423B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911091A (en) * | 2021-10-15 | 2022-01-11 | 眉山中车制动科技股份有限公司 | Intelligent brake execution unit suitable for railway wagon |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210170A (en) * | 1996-02-02 | 1997-08-12 | Tac Giken Kogyo:Kk | Electric cylinder |
| US20010023798A1 (en) * | 2000-03-15 | 2001-09-27 | Takuya Usui | Electric disc brake |
| CN201262205Y (en) * | 2008-08-19 | 2009-06-24 | 浙江亚太机电股份有限公司 | Actuating mechanism of electronic-mechanical braking system |
| US20110031074A1 (en) * | 2009-07-31 | 2011-02-10 | Hideaki Ishii | Electric motor-driven brake apparatus |
| CN103192722A (en) * | 2013-04-01 | 2013-07-10 | 重庆大学 | Electronic mechanical brake |
| CN207080529U (en) * | 2017-08-08 | 2018-03-09 | 吉林大学 | A kind of self-locking electro-mechanical brake apparatus |
| CN209852286U (en) * | 2018-12-05 | 2019-12-27 | 上海六辔机电科技有限公司 | Electromechanical brake cylinder |
-
2018
- 2018-12-05 CN CN201811477829.5A patent/CN109515423B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210170A (en) * | 1996-02-02 | 1997-08-12 | Tac Giken Kogyo:Kk | Electric cylinder |
| US20010023798A1 (en) * | 2000-03-15 | 2001-09-27 | Takuya Usui | Electric disc brake |
| CN201262205Y (en) * | 2008-08-19 | 2009-06-24 | 浙江亚太机电股份有限公司 | Actuating mechanism of electronic-mechanical braking system |
| US20110031074A1 (en) * | 2009-07-31 | 2011-02-10 | Hideaki Ishii | Electric motor-driven brake apparatus |
| CN103192722A (en) * | 2013-04-01 | 2013-07-10 | 重庆大学 | Electronic mechanical brake |
| CN207080529U (en) * | 2017-08-08 | 2018-03-09 | 吉林大学 | A kind of self-locking electro-mechanical brake apparatus |
| CN209852286U (en) * | 2018-12-05 | 2019-12-27 | 上海六辔机电科技有限公司 | Electromechanical brake cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911091A (en) * | 2021-10-15 | 2022-01-11 | 眉山中车制动科技股份有限公司 | Intelligent brake execution unit suitable for railway wagon |
| CN113911091B (en) * | 2021-10-15 | 2022-10-04 | 眉山中车制动科技股份有限公司 | Intelligent brake execution unit suitable for railway wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109515423B (en) | 2024-02-02 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200107 Address after: 200331 No. 3527, 34 South Road, Putuo District, Shanghai Applicant after: Wu Mengling Address before: 200092 Shanghai city Yangpu District Guokang Road No. 100 room 1302F Applicant before: SHANGHAI LIUPEI MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200520 Address after: Room 318, floor 3, building 2, yard 85, Hong'an Road, Fangshan District, Beijing 102400 Applicant after: Beijing Tianyou Xinlan High Tech Co.,Ltd. Address before: 200331 No. 3527, 34 South Road, Putuo District, Shanghai Applicant before: Wu Mengling |
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