CN106926838A - The brake clamp location mode detection means and method of rolling stock - Google Patents
The brake clamp location mode detection means and method of rolling stock Download PDFInfo
- Publication number
- CN106926838A CN106926838A CN201710287309.7A CN201710287309A CN106926838A CN 106926838 A CN106926838 A CN 106926838A CN 201710287309 A CN201710287309 A CN 201710287309A CN 106926838 A CN106926838 A CN 106926838A
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- Prior art keywords
- sensor
- brake clamp
- touch device
- rolling stock
- clamp unit
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Classifications
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- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of the brake clamp location mode detection means and method of rolling stock.The brake clamp location mode detection means of rolling stock includes：Sensor touch device, sensor, fixing device and signal output apparatus；Sensor touch device is fixed on the piston of brake clamp unit of rolling stock, is moved with piston synchronous, for trigger sensor；Sensor is fixed in the fixed component of the checking cylinder of brake clamp unit by fixing device, for basis and the change of the relative position of sensor touch device, the on-position information or relieved state information of brake clamp unit is sent to signal output apparatus；Signal output apparatus are connected with sensor, are fixed in fixed component, the on-position information or relieved state information of the brake clamp unit sent for output transducer.The present invention can directly monitor brake clamp unit mechanical breakdown in itself and the disabler that causes, it is to avoid the safety problem that artificial origin causes.
Description
Technical field
The present invention relates to rolling stock's safety monitoring technology field, in particular it relates to a kind of rolling stock
Brake clamp location mode detection means and method.
Background technology
The function monitoring to rolling stock's air damping is realized in the requirement of railway security monitoring technology, to ensure that railway is transported
Defeated normal safe is carried out.Brake clamp unit as air damping executing agency, realize be to the function monitoring of brake unit
Realize the most direct method of air damping function monitoring.
Brake clamp unit is made up of checking cylinder, clamping mechanism and a series of union pieces.Its effect is air pressure
Power/spring force is converted to the axial thrust of checking cylinder inner carrier, if then being increased by drive disk assemblies such as a series of levers, pull bars
Dry times, piston thrust is fifty-fifty transmitted to brake lining, is allowed to compress brake disc and produce braking action to rolling stock.
There are two types in brake clamp unit：Service braking nipper units (Fig. 1) and band parking brake nipper units (figure
2).Brake clamp unit is mainly made up of two parts：Checking cylinder and clamping mechanism, two kinds of clamping mechanism bases of brake clamp unit
This is identical, and the main distinction is the 26S Proteasome Structure and Function of checking cylinder, is divided into service braking cylinder and band Parking Brake Cylinders.Service braking clamp
Unit refers to, as the pressure change in checking cylinder realizes braking and alleviates, to be braked when pressure increases, and is alleviated when pressure reduces；Band
Parking brake nipper units are the parking structures that spring force driving is increased in service braking unit basis, so the band system of parking
Dynamic nipper units are in addition to the function of service braking cylinder, moreover it is possible to realize the braking in the case of no pressure, alleviate, this brake force is by stopping
The Spring driving put in structure applies.
Prior art is to realize brake clamp location mode using the pressure information of monitoring checking cylinder air inlet to monitor, should
It is " inflation braking, exhaust is alleviated " with principle.This principle belongs to indirect method, and non-immediate monitoring brake clamp unit dynamic in itself
Make, and cannot realize parking function monitoring in the case of no pressure, so not enough in the presence of following both sides：
(1) detection of the braking with parking brake unit, relieved state cannot be realized, because parking brake relies on spring force
Apply, rather than air pressure applies；
(2) disabler caused due to brake clamp unit mechanical breakdown in itself cannot be detected.
The content of the invention
The main purpose of the embodiment of the present invention is to provide a kind of rolling stock's brake clamp location mode detection dress
Put and method, directly to monitor the mechanical structure in brake clamp unit, reflect the status information of brake clamp unit, monitoring system
Dynamic nipper units mechanical breakdown in itself and the disabler that causes, it is to avoid the safety problem that artificial origin causes.
To achieve these goals, the embodiment of the present invention provides a kind of brake clamp location mode inspection of rolling stock
Device is surveyed, including：Sensor touch device, sensor, fixing device and signal output apparatus；
Sensor touch device is fixed on the piston of brake clamp unit of rolling stock, is moved with piston synchronous
It is dynamic, for trigger sensor；
Sensor is fixed in the fixed component of the checking cylinder of brake clamp unit by fixing device, for basis with
The change of the relative position of sensor touch device, to signal output apparatus send brake clamp unit on-position information or
Relieved state information；
Signal output apparatus are connected with sensor, are fixed in fixed component, for the brake clip that output transducer sends
Clamp the on-position information or relieved state information of unit.
Wherein in a kind of embodiment, when sensor touch device moves to the trigger position of sensor, triggering sensing
Device is opened, and sensor sends the on-position information of brake clamp unit；
When sensor touch device is away from sensor trigger positions, trigger sensor is closed, and sensor sends brake clip
Clamp the relieved state information of unit.
Wherein in a kind of embodiment, sensor is inductive proximity sensor, and sensor touch device is metal.
Wherein in a kind of embodiment, sensor is Hall proximity transducer, and sensor touch device is magnet.
Wherein in a kind of embodiment, sensor is microswitch.
Wherein in a kind of embodiment, sensor is photoelectric sensor, and sensor touch device is reflective mirror.
The embodiment of the present invention also provides a kind of brake clamp location mode detection method of rolling stock, including：
When the trigger position of piston driving sensor touch device synchronizing moving to sensor, sensor touch device is touched
Hair sensor is opened；
Sensor sends the on-position information of brake clamp unit to connected signal output apparatus；
The on-position information of the brake clamp unit that signal output apparatus output transducer sends；
When trigger position of the piston driving sensor touch device synchronization away from sensor, the triggering of sensor touch device
Sensor is closed；
Sensor sends the relieved state information of brake clamp unit to signal output apparatus；
The relieved state information of the brake clamp unit that signal output apparatus output transducer sends.
Wherein in a kind of embodiment, sensor is inductive proximity sensor, and sensor touch device is metal.
Wherein in a kind of embodiment, sensor is Hall proximity transducer, and sensor touch device is magnet.
Wherein in a kind of embodiment, sensor is microswitch.
Rolling stock's brake clamp location mode detection means and method of the embodiment of the present invention, sensor touch dress
Put and piston synchronous mobile trigger sensor；Sensor according to the change with the relative position of sensor touch device, to signal
Output device sends the on-position information or relieved state information of brake clamp unit；Signal output apparatus output transducer is sent out
The on-position information or relieved state information of the brake clamp unit for going out, can directly monitor the machinery in brake clamp unit
Structure, reflects the status information of brake clamp unit, monitoring brake clamp unit mechanical breakdown in itself and the function that causes is lost
Effect, it is to avoid the safety problem that artificial origin causes.And the acceptable directly retrofit application of the present invention is in existing rolling stock
In brake clamp unit, simple structure, good manufacturability, in easily incorporating the existing safety monitoring system of rolling stock.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structure chart of service braking nipper units in the prior art；
Fig. 2 is the structure chart in the prior art with parking brake nipper units；
Fig. 3 is the structure chart of the brake clamp location mode detection means of rolling stock in the embodiment of the present invention；
Fig. 4 is that the partial structurtes of the brake clamp location mode detection means of rolling stock in the embodiment of the present invention are put
Big figure；
Fig. 5 is the flow chart of the brake clamp location mode detection method of rolling stock in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In view of current detection means cannot realize the detection of the braking with parking brake unit, relieved state, also cannot
The disabler caused due to brake clamp unit mechanical breakdown in itself is detected, the embodiment of the present invention provides a kind of railway machine
The brake clamp location mode detection means and method of car vehicle, sensor touch device and the piston synchronous movement of the device are touched
Hair sensor；Sensor sends brake clip according to the change with the relative position of sensor touch device to signal output apparatus
Clamp the on-position information or relieved state information of unit；The brake clamp unit that signal output apparatus output transducer sends
On-position information or relieved state information, can directly monitor the mechanical structure in brake clamp unit, monitor brake clamp
Unit mechanical breakdown in itself and the disabler that causes, it is to avoid the safety problem that artificial origin causes.
Fig. 3 is the structure chart of the brake clamp location mode detection means of rolling stock in the embodiment of the present invention, Fig. 4
It is the partial structurtes enlarged drawing of the brake clamp location mode detection means of rolling stock in the embodiment of the present invention.Such as Fig. 3
And shown in Fig. 4, the brake clamp location mode detection means of rolling stock can include：Sensor touch device 1, sensing
Device 2, fixing device 3 and signal output apparatus 4.
Sensor touch device 1 is fixed on the piston 6 of the brake clamp unit of rolling stock, synchronous with piston 6
It is mobile, for trigger sensor 2；Sensor 2 is fixed on the fixed part of the checking cylinder of brake clamp unit by fixing device 3
On part 5, for basis and the change of the relative position of sensor touch device 1, brake clamp list is sent to signal output apparatus 4
The on-position information or relieved state information of unit.Specifically, sensor 2 snaps fit onto fixing device 3, and fixing device 3 passes through again
It is bolted in fixed component 5.Signal output apparatus 4 are connected with sensor 2, and fixed component 5 is fixed on by four corner bolts
On, the on-position information or relieved state information of the brake clamp unit sent for output transducer 2.
There are air pressure and both sources of spring force in the generation that brake clamp unit has two kinds of structures, brake force,
But the either service braking power (service braking cylinder) of air pressure driving, or spring driven parking brake power (park by band
Checking cylinder), all it is that external force promotes the piston inside checking cylinder to move in reflection to brake clamp unit structure in itself, piston
Drive disk assembly is promoted again and the brake lining of brake clamp unit and brake disc friction is applied braking, so the present invention is in brake clamp
Sensor touch device 1 is fixed with the piston 6 of unit, in the fixed part such as checking cylinder cylinder cap or intermediate of brake clamp unit
Sensor 2 is fixed with part 5, makes the sensor 2 can be according to the change with the relative position of sensor touch device 1, i.e. piston 6
With the change of the relative position of fixed component 5, the on-position information or relieved state information of brake clamp unit are sent.
In embodiment, when sensor touch device 1 moves to the trigger position of sensor 2, trigger sensor 2 is opened,
Sensor 2 sends the on-position information of brake clamp unit；When sensor touch device 1 is away from the trigger position of sensor 2
When, trigger sensor 2 is closed, and sensor 2 sends the relieved state information of brake clamp unit.
During specific implementation, when air pressure or spring force promote piston 6 to be moved to sensor 2, piston 6 drives sensor
Touch device 1 is synchronous to be moved to sensor 2.When sensor touch device 1 reaches the trigger position of sensor 2, sensor 2 dozens
Open, the on-position information of brake clamp unit is sent to connected signal output apparatus 4, show at brake clamp unit
In on-position；When air pressure or spring force are alleviated, piston 6 drives sensor to touch dress under the restoring force effect of spring
Put 1 synchronous away from sensor 2.When sensor touch device 1 leaves the trigger position of sensor 2, sensor 2 is closed, to
The signal output apparatus 4 of its connection send the relieved state information of brake clamp unit, show that brake clamp unit is in and alleviate
State.Wherein, the on-position of the brake clamp unit that signal output apparatus 4 can send to external equipment output transducer 2
Information or relieved state information.In order to meet operating condition and the environmental requirement of rolling stock, can choose " aviation insert
Head " is used as signal output apparatus 4.External equipment includes but is not limited to smart mobile phone, palm PC (PDA, Personal
Digital Assistant) etc. intelligent apparatus, the state of brake clamp unit is checked for staff.
In embodiment, when sensor 2 is inductive proximity sensor, sensor touch device 1 can be metal.Work as sensing
When device touch device 1 moves to the trigger position of inductive proximity sensor, vortex can be produced in sensor touch device 1, be vortexed
The oscillator in inductive proximity sensor can be caused to decay to failure of oscillation.The change of oscillator can be first by inductive proximity sensor
Amplifying circuit amplifies, then is converted into switching signal by the on-off circuit in inductive proximity sensor, triggers inductive proximity sensor
Open.
In embodiment, when sensor 2 is Hall proximity transducer, sensor touch device 1 can be magnet.Work as sensing
When device touch device 1 moves to the trigger position of Hall proximity transducer, the Hall element in Hall proximity transducer is generated
Hall effect, so that Hall proximity transducer internal circuit status change, triggering Hall proximity transducer is opened.
In embodiment, sensor 2 can also be microswitch.When sensor touch device 1 moves to touching for microswitch
During hair position, active force can be applied on the spring leaf of microswitch, triggering microswitch is opened.
In embodiment, when sensor 2 is photoelectric sensor, sensor touch device 1 can be reflective mirror.Work as sensor
When touch device 1 moves to the trigger position of photoelectric sensor, photoelectric sensor can receive sensor touch device 1 and reflect
The reflected light come, triggering photoelectric sensor is opened.
Based on same inventive concept, a kind of brake clamp unit of rolling stock is additionally provided in the embodiment of the present invention
Condition detection method, due to the principle and the brake clamp location mode detection means of rolling stock of the method solve problem
It is similar, therefore the implementation of the method may refer to the implementation of device, repeats part and repeats no more.
Fig. 5 is the flow chart of the brake clamp location mode detection method of rolling stock in the embodiment of the present invention.Such as
Shown in Fig. 5, the brake clamp location mode detection method of rolling stock includes：
Step 101：When the trigger position of piston driving sensor touch device synchronizing moving to sensor, sensor is touched
Dynamic device trigger sensor is opened.
Step 102：Sensor sends the on-position information of brake clamp unit to connected signal output apparatus.
Step 103：The on-position information of the brake clamp unit that signal output apparatus output transducer sends.
Step 201：When trigger position of the piston driving sensor touch device synchronization away from sensor, sensor touches
Device trigger sensor is closed.
Step 202：Sensor sends the relieved state information of brake clamp unit to signal output apparatus.
Step 203：The relieved state information of the brake clamp unit that signal output apparatus output transducer sends.
In embodiment, sensor 2 is inductive proximity sensor, and sensor touch device 1 is metal.
In embodiment, sensor 2 is Hall proximity transducer, and sensor touch device 1 is magnet.
In embodiment, sensor 2 is microswitch.
In embodiment, sensor 2 is photoelectric sensor, and sensor touch device 1 is reflective mirror.
To sum up, the brake clamp location mode detection means and method of the rolling stock of the embodiment of the present invention, uses
Sensor and sensor touch device.Sensor is defeated to signal according to the change with the relative position of sensor touch device
Go out on-position information or relieved state information that device sends brake clamp unit, can directly monitor brake clamp unit sheet
The mechanical breakdown of body and the disabler that causes, it is to avoid the safety problem that artificial origin causes.And the present invention can also directly change
Dress is applied in existing rolling stock's brake clamp unit, and simple structure, good manufacturability easily incorporates showing for rolling stock
In having a safety monitoring system.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, the guarantor being not intended to limit the present invention
Shield scope, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in this
Within the protection domain of invention.
Claims (10)
1. the brake clamp location mode detection means of a kind of rolling stock, it is characterised in that including：Sensor touches dress
Put, sensor, fixing device and signal output apparatus；
The sensor touch device is fixed on the piston of brake clamp unit of rolling stock, is moved with piston synchronous
It is dynamic, for triggering the sensor；
The sensor is fixed in the fixed component of the checking cylinder of the brake clamp unit by the fixing device, is used
In basis and the change of the relative position of the sensor touch device, the brake clamp is sent to the signal output apparatus
The on-position information or relieved state information of unit；
The signal output apparatus are connected with the sensor, are fixed in the fixed component, for exporting the sensor
The on-position information or relieved state information of the brake clamp unit for sending.
2. the brake clamp location mode detection means of rolling stock according to claim 1, it is characterised in that
When the sensor touch device moves to the trigger position of the sensor, trigger the sensor and open, it is described
Sensor sends the on-position information of the brake clamp unit；
When the sensor touch device is away from the sensor trigger positions, triggers the sensor and close, the sensing
Device sends the relieved state information of the brake clamp unit.
3. the brake clamp location mode detection means of rolling stock according to claim 1, it is characterised in that
The sensor is inductive proximity sensor, and the sensor touch device is metal.
4. the brake clamp location mode detection means of rolling stock according to claim 1, it is characterised in that
The sensor is Hall proximity transducer, and the sensor touch device is magnet.
5. the brake clamp location mode detection means of rolling stock according to claim 1, it is characterised in that
The sensor is microswitch.
6. the brake clamp location mode detection means of rolling stock according to claim 1, it is characterised in that
The sensor is photoelectric sensor, and the sensor touch device is reflective mirror.
7. the brake clamp location mode detection method of a kind of rolling stock, it is characterised in that including：
When the trigger position of piston driving sensor touch device synchronizing moving to sensor, the sensor touch device is touched
Send out sensor described and open；
The sensor sends the on-position information of the brake clamp unit to connected signal output apparatus；
The signal output apparatus export the on-position information of the brake clamp unit that the sensor sends；
When trigger position of the sensor touch device synchronization described in the piston driving away from the sensor, the sensor
Touch device triggers the sensor and closes；
The sensor sends the relieved state information of the brake clamp unit to the signal output apparatus；
The signal output apparatus export the relieved state information of the brake clamp unit that the sensor sends.
8. the brake clamp location mode detection method of rolling stock according to claim 7, it is characterised in that
The sensor is inductive proximity sensor, and the sensor touch device is metal.
9. the brake clamp location mode detection method of rolling stock according to claim 7, it is characterised in that
The sensor is Hall proximity transducer, and the sensor touch device is magnet.
10. the brake clamp location mode detection method of rolling stock according to claim 7, it is characterised in that
The sensor is microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287309.7A CN106926838A (en) | 2017-04-27 | 2017-04-27 | The brake clamp location mode detection means and method of rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287309.7A CN106926838A (en) | 2017-04-27 | 2017-04-27 | The brake clamp location mode detection means and method of rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106926838A true CN106926838A (en) | 2017-07-07 |
Family
ID=59436700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710287309.7A Pending CN106926838A (en) | 2017-04-27 | 2017-04-27 | The brake clamp location mode detection means and method of rolling stock |
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| Country | Link |
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| CN (1) | CN106926838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020047905A1 (en) * | 2018-09-06 | 2020-03-12 | 中车青岛四方机车车辆股份有限公司 | Device for monitoring state of brake caliper and rail vehicle having same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849060A (en) * | 2012-09-25 | 2013-01-02 | 四川制动科技股份有限公司 | State detection device for brake cylinder of electric control type railway vehicle |
| CN204432650U (en) * | 2015-02-11 | 2015-07-01 | 青岛四方车辆研究所有限公司 | Gyrocar brake clamp fault monitoring system |
| US20160075320A1 (en) * | 2014-09-11 | 2016-03-17 | Westinghouse Air Brake Technologies Corporation | "Piston Stroke Sensor Arrangement for a Brake Unit" |
| CN206664576U (en) * | 2017-04-27 | 2017-11-24 | 中国铁道科学研究院 | The brake clamp location mode detection means of rolling stock |
-
2017
- 2017-04-27 CN CN201710287309.7A patent/CN106926838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849060A (en) * | 2012-09-25 | 2013-01-02 | 四川制动科技股份有限公司 | State detection device for brake cylinder of electric control type railway vehicle |
| US20160075320A1 (en) * | 2014-09-11 | 2016-03-17 | Westinghouse Air Brake Technologies Corporation | "Piston Stroke Sensor Arrangement for a Brake Unit" |
| CN204432650U (en) * | 2015-02-11 | 2015-07-01 | 青岛四方车辆研究所有限公司 | Gyrocar brake clamp fault monitoring system |
| CN206664576U (en) * | 2017-04-27 | 2017-11-24 | 中国铁道科学研究院 | The brake clamp location mode detection means of rolling stock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020047905A1 (en) * | 2018-09-06 | 2020-03-12 | 中车青岛四方机车车辆股份有限公司 | Device for monitoring state of brake caliper and rail vehicle having same |
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Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant after: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Applicant after: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant before: China Academy of Railway Sciences Applicant before: BEIJING ZONGHENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Applicant before: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute |
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Effective date of registration: 20191202 Address after: 100081 No.2, Daliushu Road, Haidian District, Beijing Applicant after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant after: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Applicant after: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant after: TIEKE ASPECT (TIANJIN) TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant before: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant before: BEIJING ZONGHENG ELECTRO-MECHANICAL TECHNOLOGY Co.,Ltd. Applicant before: LOCOMOTIVE & CAR RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. |
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