EP3753799A1 - Schutzvorrichtung für schienenfahrzeug - Google Patents

Schutzvorrichtung für schienenfahrzeug Download PDF

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Publication number
EP3753799A1
EP3753799A1 EP20180617.1A EP20180617A EP3753799A1 EP 3753799 A1 EP3753799 A1 EP 3753799A1 EP 20180617 A EP20180617 A EP 20180617A EP 3753799 A1 EP3753799 A1 EP 3753799A1
Authority
EP
European Patent Office
Prior art keywords
shutter
configuration
front part
vehicle
bar
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.)
Pending
Application number
EP20180617.1A
Other languages
English (en)
French (fr)
Inventor
Didier Félix Eugène GERGAUD
Guillaume BRION
Nicolas COLLOT
Nicolas VOLPS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Holdings SA
Original Assignee
Alstom Transport Technologies SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3753799A1 publication Critical patent/EP3753799A1/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
    • B61F19/06—Nets, catchers, or the like for catching obstacles or removing them from the track
    • B61F19/08—Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type
    • B61F19/10—Nets, catchers, or the like for catching obstacles or removing them from the track of the drop-down type automatically operated by engagement with obstacle

Definitions

  • the present invention relates to a protection device for a railway vehicle, suitable for being fixed under a front part of a body of said railway vehicle, the protection device comprising: a flap suitable for being fixed under the body of the vehicle and, when is fixed to said body, to be movable in rotation with respect to the front part of the body along a first axis substantially perpendicular to the direction of movement of the vehicle, between a retracted configuration and a deployed configuration; and a device for detecting an obstacle.
  • the known protection devices have drawbacks.
  • the component of the device described in the document EP3018023 is spaced from the ground, so that a member of a pedestrian, such as an arm or a leg, can pass under said flap and be in contact with the components of the bogie such as the wheels, the electric power supply system by the ground, the chassis.
  • the object of the invention is a protection device for a railway vehicle of the aforementioned type, further comprising a locking member, capable of maintaining the flap in the retracted configuration relative to the front part of the body, said locking member being configured so that activation of said detection member causes the locking member to release the flap, said flap being configured to pivot towards the deployed configuration with respect to the front part of the body after release by the locking member.
  • the invention further relates to a railway vehicle comprising a body and at least one bogie arranged under said body, the body comprising a front part protruding from the bogie in a direction of movement of said vehicle, the railway vehicle further comprising a protection device as described above, said protection device comprising: a movable flap in rotation with respect to the front part of the body along a first axis substantially perpendicular to the direction of movement of the vehicle, between a retracted configuration and a configuration deployed; a device for detecting an obstacle; and a locking member, able to keep the shutter in a retracted configuration relative to the front part of the body, said locking member being configured so that activation of said detection member causes the locking member to release the shutter , said flap being configured to pivot towards the deployed configuration relative to the front part of the body after release by the locking member.
  • the flap extends under the front part of the body, between the detection member and the bogie.
  • the figure 1 shows a railway vehicle 10 according to one embodiment of the invention.
  • the rail vehicle 10 for example of the tramway type, comprises at least one front car 12 also called motor car 12 and preferably at least one passenger car 14, connected to said front car.
  • the driving car 12 comprises a body 16 and at least one bogie 18 disposed under said body.
  • the rail vehicle 10 is intended to move on rails 20, in a direction of travel parallel to the direction X.
  • the body 16 comprises a front part 22, forming a projection relative to the bogie 18 in a direction of movement of the driving car 12.
  • the terms “front” and “rear” are understood to be relative to the direction X.
  • the front part 22 of the body 16 comprises a lower surface 24, forming a lower end of said front part in the direction Z.
  • a lower space 26 is provided between said lower surface 24 and a lower end of the bogie 18, along the vertical Z .
  • the driving car 12 further comprises a protection device 30, arranged in the lower space 26. Said device 30 is intended to prevent the bogie 18 from hitting and / or rolling over an obstacle located on the rails 20.
  • the protection device 30 is shown alone in figures 2 and 3 .
  • the protection device 30 comprises a detection member 32, a body catch 34 and a device 36 for locking / unlocking the body catch.
  • the detection member 32 is arranged close to a front end 38 of the front part 22 of the body 16, that is to say as close as possible to the front of the motor car 12.
  • the detection member 32 comprises a bar 40 and at least one articulated arm 42, 44. In the embodiment visible on the figure. figure 2 , the detection member 32 comprises a first 42 and a second 44 articulated arms.
  • the bar 40 extends in the lower space 26 under the front part 22 and has a substantially rectilinear shape, arranged along Y.
  • Each of the first 42 and second 44 arms is able to pivot relative to the body 16 along the same first axis 46 of rotation, substantially parallel to Y.
  • the detection member 32 comprises a first 48 and a second 50 bases, fixed to the lower surface 24 of the front part 22. A first end of each of the first 42 and second 44 arms is articulated, respectively to the first 48 and to the second 50 bases, materializing the first axis of rotation 46.
  • a second end of each of the first 42 and second 44 arms is integral with the bar 40.
  • the bar 40 and the arms 42, 44 are angularly movable between an inactive position, shown in figure 1 , and an active position shown on the figure 2 .
  • the bar 40 In the inactive position, the bar 40 is arranged substantially in the same vertical plane as the first axis 46.
  • In the active position, the bar 40 In the active position, the bar 40 is behind the first axis 46 in the X direction.
  • the bar 40 and the arms 42, 44 of the detection member 32 are configured so that, in the inactive position, a distance along Z between the bar 40 and the rails 20 is small enough for said bar to come into contact with it. a human body stretched out on the rails.
  • the detection member 32 comprises an elastic return element 52, such as a spring, tending to return the arms 42, 44 to the inactive position.
  • the body catch 34 comprises a flap 60, a first 62 and a second 64 supports and a first 66 and a second 68 actuators.
  • the body collector 34 further comprises one or more rollers 69 ( figure 3 ).
  • the flap 60 has a substantially planar and rectangular shape. More precisely, the flap 60 has a front edge 70 and a rear edge 72, substantially parallel to Y, and two side edges 74 substantially perpendicular to Y.
  • the flap 60 further comprises a first 76 and a second 78 intermediate bars, connecting the front 70 and rear 72 edges. Said intermediate bars 76, 78 extend perpendicular to Y and are arranged between the edges. lateral 74.
  • the flap 60 thus comprises a central zone 80, arranged between the intermediate bars 76, 78, and a first 82 and a second 84 lateral zones situated on either side of said central zone in the direction Y.
  • the flap 60 further comprises a locking notch 85 formed at the level of the first lateral zone 82.
  • the body catch 34 comprises two rollers 69, respectively located at the level of the first 82 and of the second 84 lateral zones of the shutter 60. Each roller 69 is mounted in rotation on the shutter 60.
  • the first 62 and the second 64 supports are respectively arranged along Y at the level of the first 76 and of the second 78 intermediate bars. Furthermore, in the direction X, the first 62 and the second 64 supports are arranged opposite, respectively, the first 42 and the second 44 arm of the detection member 32.
  • the first 62 and second 64 supports are substantially identical and will be described simultaneously below.
  • the support 62, 64 comprises a fixing portion 86, an articulation portion 88 and a sliding portion 90, integral with each other.
  • the fixing portion 86 is fixed to the lower surface 24 of the front part 22 of the body 16 of the power car 12.
  • the rear edge 72 of the shutter 60 is rotatably mounted on the articulation portion 88, along a second axis 92 of rotation of the shutter 60 relative to the body 16.
  • Said second axis 92 is substantially parallel to the first axis 46 and disposed below the lower surface 24 of the body.
  • the sliding portion 90 located forward with respect to the second axis 92, has a through opening 94.
  • the flap 60 is able to pivot relative to the front part 22 of the body 16 along the second axis 92, between a first retracted configuration, visible to the figures 1 and 3 , and a second deployed configuration, visible at figure 2 .
  • the front edge 70 of the shutter 60 is close along Z to the lower surface 24 of the front part 22, and away from the rails 20.
  • the front edge 70 of the shutter 60 is located lower than in the retracted configuration.
  • the flap 60 thus extends into the lower space 26, so as to prevent an obstacle situated on the rails 20 from coming into contact with the bogie 18.
  • the first 66 and the second 68 actuators are respectively assembled to the first 62 and to the second 64 supports.
  • the first 66 and second 68 actuators are substantially identical and will be described simultaneously below.
  • the actuating member 66, 68 comprises an actuating element, such as a return element, in particular elastic, capable of applying a force to the flap to cause the flap 60 to pass from the retracted configuration to the deployed configuration.
  • an actuating element such as a return element, in particular elastic
  • the actuator 66, 68 comprises a rod 96 and a spring 98.
  • the rod 96 is substantially rectilinear and extends substantially in a plane (X, Z). A first end of said rod is articulated to the shutter 60, along a third axis 102 of rotation parallel to the second axis 92.
  • first end of the rod 96 of the first 66 and of the second 68 actuating members is articulated respectively on the first 76 and on the second 78 intermediate bar of the shutter 60.
  • the first ends of the two rods 96 are arranged on the same third axis 102 of rotation.
  • the rod 96 of the actuator 66, 68 is inserted into the through opening 94 of the sliding portion 90 of the corresponding support 62, 64. Said rod is able to slide in said through opening, that is to say that it is able to slide through the opening, in a substantially rectilinear movement parallel to a central axis passing through said opening. A second end 104 of the rod 96 is located opposite the first end with respect to the through opening 94.
  • the spring 98 is a tension coil spring. A first end of said spring is attached to the second end 104 of the rod 96. A second end of said spring is attached to the sliding portion 90 of the corresponding support 62, 64.
  • a tension in the spring 98 is greater than a tension in said spring in the deployed position of the shutter.
  • the locking / unlocking device 36 comprises a transmission bar 110 and a latch 112.
  • the transmission bar 110 is rectilinear and extends perpendicularly to Y. A first end 114 of said bar is articulated on the first arm 42 of the detection member 32.
  • the latch 112 is articulated on the first support 62 along an axis of rotation parallel to Y.
  • the latch 112 comprises a tab 116 and a hook 118, integral with one another and arranged on either side of said axis of rotation.
  • a second end of the transmission bar 110 is articulated to the tab 116.
  • the hook 118 is able to be engaged in the notch 85 of the shutter 60, as visible on the figure 3 , so as to block said shutter in the retracted configuration.
  • the driving car 12 further comprises an electronic device (not shown) for obstacle detection and triggering of emergency braking, as described for example in the document EP3018023 .
  • the driving car 12 of the vehicle 10 runs on the rails 20 in its usual direction of travel.
  • the shutter 60 of the protection device 30 is arranged in the lower space 26 under the front part 22 of the body 16.
  • the hook 118 of the latch 112 of the locking / unlocking device 36 is engaged in the notch 85 of the shutter 60. Said flap is thus maintained in the retracted configuration of the figures 1 and 3 .
  • the bar 40 and the arms 42, 44 of the detection member 32 are in the inactive position.
  • the transmission bar 110 of the device 36 is thus driven rearwardly by the first arm 42, which leads to the pivoting of the latch 112 relative to the first support 62.
  • the hook 118 of the device 36 then disengages from the notch 85, releasing the flap 60.
  • the springs 98 of the first 66 and second 68 actuators retract, which causes the second end 104 of each corresponding rod 96 to move towards the through opening 94 of the sliding portion 90 of the corresponding support 62, 64.
  • Such movement of the rods 96 causes the shutter 60 to pivot about the second axis 92 towards the deployed configuration of the figure 2 .
  • the front edge 70 of the shutter 60 is close to the rails 20 and to the ground, which blocks the obstacle and prevents it from coming into contact with the bogie and in particular from passing under the bogie 18.
  • the obstacle is a pedestrian lying on the rails 20, the risks of injury to said pedestrian are reduced.
  • the shutter 60 is configured such that, in the deployed configuration, a distance between the front edge 70 and the rails 20 is small enough to prevent a member of a pedestrian located on the rails from passing under the shutter.
  • the rollers 69 of the body collector 34 come into contact with the ground, which prevents the shutter 60 from rubbing against said ground.
  • the body-catch 34 does not include actuators 66, 68.
  • the locking / unlocking device 36 releases the shutter, gravity causes the front edge 70 to pivot towards the configuration. deployed.
  • actuators 66, 68 provided with an elastic return element 98 makes it possible to accelerate the deployment of the shutter 60, thus improving the safety of pedestrians. In particular, said safety can be ensured with a higher speed of movement of the vehicle 10.
  • the resilient return element of the actuators 66, 68 is replaced by a pneumatic or hydraulic actuator of the cylinder type.
  • the vehicle 10 further comprises a device for unlocking the latch 112, able to be controlled by an operator located in the driving car 12 in the event that a pedestrian is spotted on the rails 20 in front of said vehicle.
  • the body catch 34 further comprises a device for detecting the deployed configuration, informing the operator located in the driving car 12 and / or preventing the movement of the rail vehicle 10.
  • Said detection device comprises for example a cam (not shown) articulated to a support 62, 64 and hooked to the shutter 60, as well as an electrical detector (not shown) connected to said cam.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP20180617.1A 2019-06-18 2020-06-17 Schutzvorrichtung für schienenfahrzeug Pending EP3753799A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1906526A FR3097517B1 (fr) 2019-06-18 2019-06-18 Dispositif de protection pour véhicule ferroviaire

Publications (1)

Publication Number Publication Date
EP3753799A1 true EP3753799A1 (de) 2020-12-23

Family

ID=67742827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20180617.1A Pending EP3753799A1 (de) 2019-06-18 2020-06-17 Schutzvorrichtung für schienenfahrzeug

Country Status (2)

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EP (1) EP3753799A1 (de)
FR (1) FR3097517B1 (de)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US496146A (en) * 1893-04-25 Henry b
US559091A (en) * 1896-04-28 Car-fender
DE146521C (de) * 1902-03-18 1903-11-11
US909730A (en) * 1907-11-30 1909-01-12 James D Wright Car-fender.
US931326A (en) * 1908-08-21 1909-08-17 George W Mahan Car-fender.
DE219995C (de) * 1909-08-18 1910-03-12
DE273225C (de) * 1913-05-24 1915-04-22
US1425062A (en) * 1921-08-05 1922-08-08 Donald O Shively Safety appliance for street cars
EP3018023A1 (de) 2014-11-06 2016-05-11 ALSTOM Transport Technologies Schienenfahrzeug mit integrierter hinderungsvorrichtung, und entsprechendes verfahren

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US496146A (en) * 1893-04-25 Henry b
US559091A (en) * 1896-04-28 Car-fender
DE146521C (de) * 1902-03-18 1903-11-11
US909730A (en) * 1907-11-30 1909-01-12 James D Wright Car-fender.
US931326A (en) * 1908-08-21 1909-08-17 George W Mahan Car-fender.
DE219995C (de) * 1909-08-18 1910-03-12
DE273225C (de) * 1913-05-24 1915-04-22
US1425062A (en) * 1921-08-05 1922-08-08 Donald O Shively Safety appliance for street cars
EP3018023A1 (de) 2014-11-06 2016-05-11 ALSTOM Transport Technologies Schienenfahrzeug mit integrierter hinderungsvorrichtung, und entsprechendes verfahren

Also Published As

Publication number Publication date
FR3097517B1 (fr) 2021-07-30
FR3097517A1 (fr) 2020-12-25

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Inventor name: GERGAUD, DIDIER FELIX EUGENE