CN114248810A - Coupled platform clearance compensator of high-speed EMUs limit door - Google Patents
Coupled platform clearance compensator of high-speed EMUs limit door Download PDFInfo
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- CN114248810A CN114248810A CN202111609996.2A CN202111609996A CN114248810A CN 114248810 A CN114248810 A CN 114248810A CN 202111609996 A CN202111609996 A CN 202111609996A CN 114248810 A CN114248810 A CN 114248810A
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- 238000005096 rolling process Methods 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
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Abstract
The invention discloses a coupled platform clearance compensator for a side door of a high-speed motor train unit, and relates to the technical field of platform clearance compensators. The coupled station gap compensator includes: cam pedal, drive shaft, gyro wheel, cam groove, left side fixed guide side frame, right side fixed guide side frame, preceding fixed frame, after-fixing frame, left side fixed guide side frame, after-fixing frame, right side fixed guide side frame, preceding fixed frame constitute frame structure, frame structure sets up in the below of high-speed EMUs, the cam pedal sets up in frame structure, preceding fixed frame is hollow structure, the middle part of cam pedal is equipped with the cam groove, the one end of drive shaft is run through before fixed frame and is connected with the door of high-speed EMUs, the other end of drive shaft is connected with the axle center of gyro wheel, the gyro wheel is arranged in the cam groove. The coupled platform clearance compensator is simple in structure, stable in operation and high in reliability, and reduces the failure rate of the platform clearance compensator in the using process.
Description
Technical Field
The invention relates to the technical field of platform clearance compensators, in particular to a coupled platform clearance compensator for a side door of a high-speed motor train unit.
Background
Because there is certain clearance between EMUs and the platform, cause the potential safety hazard for the passenger gets on or off the bus. The platform clearance compensator has the main function that after the motor train unit arrives at a station and the side door is opened, the clearance between the train body and the platform is compensated through the movable plate of the platform clearance compensator, so that passengers are prevented from riding empty, and the safety of the passengers is guaranteed while the passengers get on or off the train.
At present, platform clearance compensators used by high-speed motor train units at home and abroad are mainly divided into a turning plate type and a telescopic type. Because the width of the turning plate is fixed, the gap between the vehicle and the platform has uncertain factors, the gap between the vehicle and the platform is difficult to be completely compensated, and passengers still have the possibility of stepping empty. Compared with a turning plate type compensator, the telescopic compensator is attractive in appearance, can be hidden between floors, and is good in clearance compensation effect, so that the motor train unit is mostly provided with the telescopic compensator. A telescopic platform clearance compensator mainly comprises a telescopic pedal, a transmission rack, a transmission gear, a driving motor, a motor brake, an external electric control device and a corrugated steel plate outer cover. According to the structural characteristics and the working mode of the device and by combining with the actual case, typical faults such as rack clamping stagnation, interference clamping stagnation of a turnover plate buckle and a telescopic pedal, motor clamping stagnation and even clamping stagnation are easy to occur in the application process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a coupled platform clearance compensator for a side door of a high-speed motor train unit.
In order to achieve the technical purpose, the invention adopts the following technical scheme: a coupled platform clearance compensator of high-speed EMUs limit door includes: cam pedal, drive shaft, gyro wheel, cam groove, left side fixed guide side frame, right side fixed guide side frame, preceding fixed frame, after-fixing frame, left side fixed guide side frame, after-fixing frame, right side fixed guide side frame, preceding fixed frame constitute frame structure, frame structure sets up in the below of high-speed EMUs, the cam pedal sets up in frame structure, preceding fixed frame is hollow structure, the middle part of cam pedal is equipped with the cam groove, the one end of drive shaft is run through before fixed frame and is connected with the door of high-speed EMUs, the other end of drive shaft is connected with the axle center of gyro wheel, the gyro wheel is arranged in the cam groove.
Furthermore, the left side of the cam pedal is connected with the left fixed guide rail side frame through a left rolling assembly, and the right side of the cam pedal is connected with the right fixed guide rail side frame through a right rolling assembly.
Furthermore, the cam pedal is fixedly connected with a left rolling assembly, and the left rolling assembly is slidably connected with a left fixed guide rail side frame through a guide rail; the cam pedal is fixedly connected with the right rolling assembly, and the right rolling assembly is connected with the right fixed guide rail side frame in a sliding mode through a guide rail.
Further, the cam groove includes: the horizontal groove is connected with one end of the second arc groove section, and the other end of the second arc groove section is connected with the third arc groove section.
Further, the cam groove further includes: the first arc groove section is connected with the other end of the horizontal groove.
Furthermore, a groove is formed in the left front end of the cam pedal, the length of the groove is equal to the sum of horizontal components of the movement of the roller on the second arc groove section and the third arc groove section, and the depth of the groove is equal to the sum of vertical components of the movement of the roller on the second arc groove section and the third arc groove section.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the platform clearance compensator and the motor train unit side door are coupled through the driving shaft of the motor train unit side door, the cam groove and the roller are in matched motion, and the formed telescopic pedal replaces a gear and rack meshing transmission mode, and is not equipped with a power source independently, so that the structure is simple, the work is reliable, the common fault problem of the existing telescopic platform clearance compensator is avoided, and the aim of lightening a vehicle body is fulfilled. Meanwhile, the shape of the cam groove is changed, so that the side door type of high-speed motor trains of different types can be met, and the coupled platform clearance compensator is convenient to manufacture, install, maintain, popularize and apply.
Drawings
FIG. 1 is a schematic structural diagram of a coupled platform clearance compensator for a side door of a high-speed motor train unit according to the invention;
FIG. 2 is a schematic structural diagram of the coupled platform clearance compensator of the high-speed motor train unit side door suitable for the sliding plug door according to the present invention;
FIG. 3 is a schematic structural diagram of the coupled platform clearance compensator of the high-speed motor train unit side door suitable for the side sliding door according to the invention;
the automobile door-opening device comprises a door 1, a cam pedal 2, a driving shaft 3, a roller 4, a cam groove 5, a rolling assembly on the left side 6, a rolling assembly on the right side 7, a fixed guide rail side frame on the left side 8, a fixed guide rail side frame on the right side 9, a fixed frame on the front 10, a fixed frame on the rear 11, a first arc groove section 51, a second arc groove section 52 and a third arc groove section 53.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
Fig. 1 is a schematic structural diagram of a coupled platform clearance compensator for a side door of a high-speed motor train unit according to the present invention, the coupled platform clearance compensator includes: cam pedal 2, drive shaft 3, gyro wheel 4, cam groove 5, left side fixed guide rail side frame 8, right side fixed guide rail side frame 9, preceding fixed frame 10, back fixed frame 11, left side fixed guide rail side frame 8, back fixed frame 11, right side fixed guide rail side frame 9, preceding fixed frame 10 constitutes the frame structure, the frame structure sets up in the below of high-speed EMUs, cam pedal 2 sets up in the frame structure, preceding fixed frame 11 is hollow structure, the middle part of cam pedal 2 is equipped with cam groove 5, fixed frame 11 is connected with high-speed EMUs's door 1 before drive shaft 3's one end runs through, the other end of drive shaft 3 is connected with the axle center of gyro wheel 4, gyro wheel 4 is located in cam groove 5. Through drive shaft 3 and gyro wheel 4 on the high-speed EMUs door 1 be connected for gyro wheel 4 moves on cam groove 5 on cam footboard 2, cam groove 5 and gyro wheel 4's cooperation motion, the telescopic footboard of formation replaces rack and pinion meshing transmission, no longer is equipped with the power supply alone, simple structure, and reliable operation has avoided the common fault problem of current telescopic platform clearance compensator, satisfies the lightweight purpose of automobile body simultaneously.
The left side of the cam pedal 2 is connected with the left fixed guide rail side frame 8 through the left rolling component 6, specifically, the cam pedal 2 is fixedly connected with the left rolling component 6, and the left rolling component 6 is in sliding connection with the left fixed guide rail side frame 8 through a guide rail; the right side of the cam pedal 2 is connected with the right fixed guide rail side frame 9 through the right rolling component 7, specifically, the cam pedal 2 is fixedly connected with the right rolling component 7, and the right rolling component 7 is connected with the right fixed guide rail side frame 9 through a guide rail in a sliding manner. Through left side rolling assembly 6 and left side fixed guide side frame 8 through guide rail sliding connection and right side rolling assembly 7 and right side fixed guide side frame 9 through guide rail sliding connection for recess footboard 2 can carry out concertina movement along the guide rail.
In one aspect of the present invention, the cam groove 5 includes: the first arc groove section 51, the second arc groove section 52, the third arc groove section 53 and the horizontal groove, the one end of horizontal groove is connected with the one end of second arc groove section 52, the other end and the third arc groove section 53 of second arc groove section 52 are connected, first arc groove section 51 is connected with the other end of horizontal groove. Meanwhile, the left front end of the cam pedal 2 is provided with a groove, the length of the groove is equal to the sum of horizontal components of the movement of the roller 4 on the second arc groove section 52 and the third arc groove section 53, and the depth of the groove is equal to the sum of vertical components of the movement of the roller 4 on the second arc groove section 52 and the third arc groove section 53. This coupled type platform clearance compensator is through being equipped with first circular arc groove section 51 on cam groove 5 for during gyro wheel 4 moves on first circular arc groove section 51 on cam groove 5, when moving to the horizontal groove limit end that is close to first circular arc groove section 51 one side, door 1 can accomplish the outward pendulum action, makes this coupled type platform clearance compensator be applicable to the stopper sliding door.
In one aspect of the present invention, the cam groove 5 includes: a second arc groove section 52, a third arc groove section 53 and a horizontal groove, wherein one end of the horizontal groove is connected with one end of the second arc groove section 52, and the other end of the second arc groove section 52 is connected with the third arc groove section 53. Meanwhile, the left front end of the cam pedal 2 is provided with a groove, the length of the groove is equal to the sum of horizontal components of the movement of the roller 4 on the second arc groove section 52 and the third arc groove section 53, and the depth of the groove is equal to the sum of vertical components of the movement of the roller 4 on the second arc groove section 52 and the third arc groove section 53. The coupled platform clearance compensator is suitable for a side sliding door.
Example 1
As shown in fig. 2, the working process of the coupled platform clearance compensator for the side door of the high-speed motor train unit applicable to the sliding plug door of the invention specifically comprises the following steps: when the motor train unit arrives at a station to drive the vehicle door to operate from a closed state to a full-open state, the driving shaft 3 fixedly connected with the vehicle door 1 drives the roller 4 to move on the first arc groove section 51 on the cam groove 5, when the roller 4 moves to the edge end of the horizontal groove close to one side of the first arc groove section 51, the vehicle door 1 completes outward swinging movement, then the roller 4 moves on the horizontal groove to the edge end of the second arc groove section 52 close to one end of the horizontal groove along with the driving shaft 3 connected with the vehicle door, in the process, the cam pedal 2 keeps relatively static relative to the front fixed frame 10 and the rear fixed frame 11, and the vehicle door 1 moves relative to the frame structure from the right fixed guide rail side frame 9 to the left fixed guide rail side frame 9; when the vehicle door 1 continues to move to the fully open state, the driving shaft 3 drives the roller 4 to move from the second arc groove section 52 to the third arc groove section 53 along the cam groove 5, and in the process, the cam pedal 2 moves towards the direction of the front fixed frame 10 relative to the rear fixed frame 11 in the guide rail grooves of the left fixed guide rail side frame 8 and the right fixed guide rail side frame 9 respectively through the left rolling assembly 6 and the right rolling assembly 7, so as to complete the extending action of the pedal, thereby compensating the platform gap. When the vehicle door runs from the fully-opened state to the fully-closed state, the vehicle door 1 drives the driving shaft 3 to move from the third arc groove section 53 to the second arc groove section 52 through the roller 4, and the retraction of the pedal is completed in the process; when the second circular arc groove section 52 moves to the edge end of the first circular arc groove section 51, the vehicle door is completely closed in the process, and the cam pedal 2 retracts into the frame body structure and is relatively static.
Example 2
Fig. 3 is a schematic structural view of the coupled platform clearance compensator applicable to the side door of the high-speed motor train unit with the side sliding door, and the working process of the coupled platform clearance compensator applicable to the side door of the high-speed motor train unit with the side sliding door specifically includes: when the motor train unit arrives at a station to drive the vehicle door to operate from a closed state to a full-open state, the driving shaft 3 fixedly connected with the vehicle door 1 drives the roller 4 to move on the horizontal groove on the cam groove 5 to the edge end of the second arc groove section 52 close to one end of the horizontal groove, in the process, the cam pedal 2 keeps relatively static relative to the front fixed frame 10 and the rear fixed frame 11, and the vehicle door 1 moves relative to the frame structure from the right fixed guide rail side frame 9 to the left fixed guide rail side frame 9; when the vehicle door 1 continues to move to the fully open state, the driving shaft 3 drives the roller 4 to move from the second arc groove section 52 to the third arc groove section 53 along the cam groove 5, and in the process, the cam pedal 2 moves towards the direction of the front fixed frame 10 relative to the rear fixed frame 11 in the guide rail grooves of the left fixed guide rail side frame 8 and the right fixed guide rail side frame 9 respectively through the left rolling assembly 6 and the right rolling assembly 7, so as to complete the extending action of the pedal, thereby compensating the platform gap. When the vehicle door runs from the fully-opened state to the fully-closed state, the vehicle door 1 drives the driving shaft 3 to move from the third arc groove section 53 to the second arc groove section 52 through the roller 4, and the retraction of the pedal is completed in the process; when the second arc groove section 52 moves to the edge end of the horizontal groove, the vehicle door is completely closed, and the cam pedal 2 retracts into the frame structure and is relatively static.
The coupled platform clearance compensator for the side door of the high-speed motor train unit changes the shape of the cam groove 5 by considering the movement tracks of the side doors of different types of high-speed motor train units in the opening and closing processes, and can meet the requirements of the side door types of different types of high-speed motor train units. On the basis of ensuring that the coupled platform clearance compensator has a simple and reasonable structure, the coupled platform clearance compensator has a wide application range and is convenient to manufacture, install and maintain.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (6)
1. The utility model provides a coupled type platform clearance compensator of high-speed EMUs limit door which characterized in that includes: a cam pedal (2), a driving shaft (3), a roller (4), a cam groove (5), a left fixed guide rail side frame (8), a right fixed guide rail side frame (9), a front fixed frame (10) and a rear fixed frame (11), the left fixed guide rail side frame (8), the rear fixed frame (11), the right fixed guide rail side frame (9) and the front fixed frame (10) form a frame body structure, the frame structure is arranged below the high-speed motor train unit, the cam pedal (2) is arranged in the frame structure, the front fixed frame (11) is of a hollow structure, the middle part of the cam pedal (2) is provided with a cam groove (5), one end of the driving shaft (3) penetrates through the front fixed frame (11) and is connected with a vehicle door (1) of the high-speed motor train unit, the other end of the driving shaft (3) is connected with the axle center of the roller (4), and the roller (4) is positioned in the cam groove (5).
2. The coupled platform clearance compensator for the side door of the high-speed motor train unit according to claim 1, wherein the left side of the cam pedal (2) is connected with the left fixed guide rail side frame (8) through a left rolling assembly (6), and the right side of the cam pedal (2) is connected with the right fixed guide rail side frame (9) through a right rolling assembly (7).
3. The coupled platform clearance compensator for the side door of the high-speed motor train unit according to claim 2, wherein the cam pedal (2) is fixedly connected with a left rolling assembly (6), and the left rolling assembly (6) is slidably connected with a left fixed guide rail side frame (8) through a guide rail; the cam pedal (2) is fixedly connected with the right rolling component (7), and the right rolling component (7) is connected with the right fixed guide rail side frame (9) in a sliding mode through a guide rail.
4. The coupled platform clearance compensator of the high speed motor train unit side door according to claim 1, wherein the cam groove (5) comprises: the device comprises a second arc groove section (52), a third arc groove section (53) and a horizontal groove, wherein one end of the horizontal groove is connected with one end of the second arc groove section (52), and the other end of the second arc groove section (52) is connected with the third arc groove section (53).
5. The coupled platform clearance compensator of the high speed motor train unit side door according to claim 4, wherein the cam groove (5) further comprises: and the first arc groove section (51), wherein the first arc groove section (51) is connected with the other end of the horizontal groove.
6. The coupled platform clearance compensator for the side door of the high-speed motor train unit according to claim 4, wherein the left front end of the cam pedal (2) is provided with a groove, the length of the groove is equal to the sum of the horizontal components of the movement of the roller (4) on the second arc groove section (52) and the third arc groove section (53), and the depth of the groove is equal to the sum of the vertical components of the movement of the roller (4) on the second arc groove section (52) and the third arc groove section (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111609996.2A CN114248810A (en) | 2021-12-27 | 2021-12-27 | Coupled platform clearance compensator of high-speed EMUs limit door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111609996.2A CN114248810A (en) | 2021-12-27 | 2021-12-27 | Coupled platform clearance compensator of high-speed EMUs limit door |
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| CN114248810A true CN114248810A (en) | 2022-03-29 |
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| CN202111609996.2A Pending CN114248810A (en) | 2021-12-27 | 2021-12-27 | Coupled platform clearance compensator of high-speed EMUs limit door |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119881A (en) * | 2005-02-17 | 2008-02-06 | 克诺尔-布里姆斯股份有限公司 | Pivotable sliding door |
| JP2008174149A (en) * | 2007-01-19 | 2008-07-31 | Central Japan Railway Co | Vehicle door device |
| EP2266859A1 (en) * | 2009-06-22 | 2010-12-29 | Faiveley Transport | Retractable step plate |
| CN104787065A (en) * | 2015-04-29 | 2015-07-22 | 南京康尼机电股份有限公司 | Automatic pedal device of motor train unit door system |
| CN207360323U (en) * | 2017-08-28 | 2018-05-15 | 今创集团股份有限公司 | Telescopic electric foot pedal |
| CN209366153U (en) * | 2018-11-16 | 2019-09-10 | 大连赛格迪轨道交通装备有限公司 | A kind of railcar monomer closure car door |
| KR102044445B1 (en) * | 2019-08-08 | 2019-11-14 | 주식회사 씨디에이 | Subway safety step apparatus |
| CN111497878A (en) * | 2020-04-27 | 2020-08-07 | 中车青岛四方机车车辆股份有限公司 | Door clearance compensator footboard section bar structure, door clearance compensator and rail vehicle |
| CN111497874A (en) * | 2020-06-08 | 2020-08-07 | 方大智创科技有限公司 | Platform door passive type anti-treading hollow plate |
| CN216833655U (en) * | 2021-12-27 | 2022-06-28 | 南京铁道职业技术学院 | Coupled platform clearance compensator of high-speed EMUs side door |
-
2021
- 2021-12-27 CN CN202111609996.2A patent/CN114248810A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119881A (en) * | 2005-02-17 | 2008-02-06 | 克诺尔-布里姆斯股份有限公司 | Pivotable sliding door |
| JP2008174149A (en) * | 2007-01-19 | 2008-07-31 | Central Japan Railway Co | Vehicle door device |
| EP2266859A1 (en) * | 2009-06-22 | 2010-12-29 | Faiveley Transport | Retractable step plate |
| CN104787065A (en) * | 2015-04-29 | 2015-07-22 | 南京康尼机电股份有限公司 | Automatic pedal device of motor train unit door system |
| CN207360323U (en) * | 2017-08-28 | 2018-05-15 | 今创集团股份有限公司 | Telescopic electric foot pedal |
| CN209366153U (en) * | 2018-11-16 | 2019-09-10 | 大连赛格迪轨道交通装备有限公司 | A kind of railcar monomer closure car door |
| KR102044445B1 (en) * | 2019-08-08 | 2019-11-14 | 주식회사 씨디에이 | Subway safety step apparatus |
| CN111497878A (en) * | 2020-04-27 | 2020-08-07 | 中车青岛四方机车车辆股份有限公司 | Door clearance compensator footboard section bar structure, door clearance compensator and rail vehicle |
| CN111497874A (en) * | 2020-06-08 | 2020-08-07 | 方大智创科技有限公司 | Platform door passive type anti-treading hollow plate |
| CN216833655U (en) * | 2021-12-27 | 2022-06-28 | 南京铁道职业技术学院 | Coupled platform clearance compensator of high-speed EMUs side door |
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