CN210634565U - Pedestrian protection device for low-floor railway vehicle - Google Patents
Pedestrian protection device for low-floor railway vehicle Download PDFInfo
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- CN210634565U CN210634565U CN201921427434.4U CN201921427434U CN210634565U CN 210634565 U CN210634565 U CN 210634565U CN 201921427434 U CN201921427434 U CN 201921427434U CN 210634565 U CN210634565 U CN 210634565U
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Abstract
A low floor rail vehicle pedestrian protection device characterized in that: the safety protection device comprises a protection plate assembly, a travel switch, a limiting mechanism, a transmission rod, a trigger spring, a trigger mechanism and a reset stay rope, wherein one side of the protection plate assembly is articulated with the limiting mechanism, the other side of the protection plate assembly is movably connected to a vehicle body, the reset stay rope is connected to the protection plate, the other end of the reset stay rope is fixed to a cab, one end of the limiting mechanism is fixed to a vehicle chassis, the other end of the limiting mechanism is connected to the trigger mechanism through the transmission rod, the trigger mechanism is movably connected to the vehicle body, one end of the trigger spring is connected with the transmission rod. The utility model discloses set up trigger spring, reduce the trigger power value, and trigger power value is adjustable, satisfies different regions and user's demand, and simple structure, light in weight satisfy the requirement to rail transit vehicle energy saving at present.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle protection safety, especially, relate to an apply to low-floor rail vehicle prevent that pedestrian and great foreign matter are drawn into protection device of vehicle below.
Background
With the rapid development of rail transit equipment technology, rail transit vehicle safety is more and more emphasized. Significant advances have been made in both active control technology and passive vehicle crash energy absorber element configurations. The passive protection of the railway vehicle mainly considers that certain weak links should be arranged on the vehicle structure when the vehicle collides, so that the effect of protecting the overall structure of the vehicle is achieved. However, for low-floor rail vehicles, the vehicles have intersections with highways and pedestrians, and only collision prevention measures for other rail vehicles and collision prevention measures for larger obstacles such as automobiles are taken, but protection for road vulnerable groups such as pedestrians, cyclists or motorcyclists is rarely considered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low floor rail vehicle pedestrian protection device can effectively protect foreign matter and the pedestrian that rolls into low floor vehicle below, reduces the injury as far as to reach the purpose of protecting the pedestrian and realizing the safe operation of vehicle.
In order to realize the above utility model purpose, the utility model provides a low floor rail vehicle pedestrian protection device, its characterized in that: the anti-collision safety protection device comprises a protection plate, a travel switch, a limiting mechanism, a transmission rod, a trigger spring, a trigger mechanism and a reset stay rope, wherein one side of the protection plate is articulated with the limiting mechanism, the other side of the protection plate is movably connected to a vehicle body, the reset stay rope is connected to the protection plate, the other end of the reset stay rope is fixed to a cab, one end of the limiting mechanism is fixed to a vehicle chassis, the other end of the limiting mechanism is connected to the trigger mechanism through the transmission rod, the trigger mechanism is movably connected to the vehicle body, one end of the trigger spring is connected with the transmission rod, the other end of the trigger spring is. When a pedestrian or foreign matter collides the protection device, the trigger mechanism is stressed to move backwards to drive the transmission rod to move backwards, meanwhile, the limiting mechanism is put down to form the protection plate, the protection plate falls down to prevent the pedestrian or the goods from continuously entering the bottom of the vehicle, and the damage and the loss are reduced. The travel switch is used for monitoring the working state of the protection plate composition in real time, and then the original state of the protection plate composition is timely recovered through the reset pull rope.
The protective plate assembly is formed by connecting a plurality of cross beams with the same width as the underframe of the vehicle body, wherein the cross beams connected with the vehicle body are provided with two rotating bearing frames, and the rotating bearing frames are fixedly connected with the vehicle body.
Stop gear include link plate, spacing hook, reset spring, pivot, transmission trigger piece, drive rod connector, transmission shaft intermediate connector, transmission connecting pin, solenoid valve, the link plate is fixed in the vehicle chassis, an installation pivot on the link plate, spacing hook installs and articulates with the guard plate in the pivot, transmission trigger piece one end is installed in the pivot, the transfer line is connected to the other end, reset spring is fixed with the link plate after bypassing the pivot, the solenoid valve is installed on the link plate, transmission trigger piece is connected to through drive rod connector, transmission shaft intermediate connector and transmission connecting pin the transfer line is connected.
The triggering mechanism is characterized in that a fixed shaft is arranged on the vehicle body, a triggering rod is movably connected to the shaft, and the triggering rod is connected with a transmission rod.
In order to adapt to different vehicle types, the trigger rod is movably connected with the fixed shaft through the trigger rod connecting piece and used for adjusting the height of the trigger rod from the track.
The trigger spring is connected with the transmission rod through a threaded sleeve and used for adjusting the impact initial trigger force value.
And two damping pads are arranged on the cross beam articulated with the limiting mechanism in the cross beam and used for buffering the impact between the protection plate and the underframe of the vehicle body when the protection plate is reset.
The utility model discloses advantage and progress that have for prior art:
(1) the utility model discloses swing joint guard plate below the automobile body, the guard plate opposite side is being held by limit hook, when someone or great foreign matter are drawn into the vehicle below, through striking trigger mechanism, trigger mechanism jointly acts on the transfer line, and then makes the stop gear action, makes limit hook loosen the guard plate, and the guard plate is opened through travel switch control, and the vehicle parks automatically to the people receives bigger injury, also can guarantee the safety of traveling of vehicle simultaneously, prevents that the vehicle from derailing or overturning.
(2) The utility model discloses the various condition when fully considering the use makes the utility model discloses an use can trigger passively, also can be by train driver manual triggering.
(3) The utility model discloses set up trigger spring, reduce the trigger power value, and trigger the power value and adjustable, satisfy different regions and user's demand.
(4) The utility model has the advantages of simple structure, light in weight satisfies the requirement of present energy-conserving to rail transit vehicle.
Drawings
Fig. 1 is a schematic structural view of a pedestrian protection apparatus according to the present invention;
fig. 2 is a side view of the pedestrian protection apparatus of the present invention;
FIG. 3 is an enlarged view of the damping pad and mounting plate of the present invention;
FIG. 4 is an enlarged view of a rotating bearing bracket welded together with the protection plate according to the present invention;
FIG. 5 is a partial enlarged view of the pull wire of the present invention;
fig. 6 is a partial enlarged view of the trigger mechanism of the present invention;
fig. 7A is a schematic structural view of the limiting mechanism according to the present invention;
FIG. 7B is a top view of FIG. 7A;
FIG. 7C is a side view of FIG. 7B;
fig. 8 is a schematic view of the utility model.
The numbers in the figures illustrate the following: 1-protective plate, 2-limit mechanism, 3-transmission structure, 4-trigger mechanism, 5-trigger spring, 6-pull wire, 7-travel switch, 8-damping pad, 9-mounting plate, 10-rotating bearing frame, 11-lifting bolt, 12-trigger spring threaded sleeve, 13-trigger rod, 14-trigger rod connecting piece, 15-fixed shaft, 16-pull wire mounting seat, 17-hanging plate, 18-limit hook, 19-reset spring, 20-rotating shaft, 21-transmission trigger piece, 22-transmission rod connector, 23-transmission shaft intermediate connector, 24-transmission connecting pin, 25-electromagnetic valve and vehicle body 26.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
Referring to fig. 1 and 2, the pedestrian protection device for the low-floor railway vehicle comprises a protection plate 1, a limiting mechanism 2, a transmission rod 3, a trigger mechanism 4, a trigger spring 5, a pull wire 6, a travel switch 7, a damping pad 8 and a mounting plate 9. The travel switch 7 is fixed at a corresponding position of a vehicle underframe through a bolt and nut fastener, the travel switch 7 corresponds to the protection plate 1, and the working state of the protection plate 1 is monitored in real time. Trigger spring 5 one end is passed through trigger spring threaded sleeve 12 with transfer line 3 is connected, and the other end is connected with vehicle chassis trompil directly through the couple, trigger spring threaded sleeve with transfer line 3 passes through threaded connection, and accessible screw thread adjusts the utility model discloses an initial trigger power value. The transmission rod 3 is used for connecting the trigger mechanism 4 and the protection plate 1 and transmitting trigger information.
Referring to fig. 1 and 3, the damping pad 8 is installed in the mounting plate 9, the mounting plate 9 is installed in the position of the vehicle chassis through a bolt and nut fastener, and is used for buffering the rigid contact between the protection plate 1 and the vehicle chassis.
Referring to fig. 1 and 4, the protection plate 1 of the present invention is connected to the rotating bearing frame 10 through a bearing, and the rotating bearing frame 10 is fixed to the position of the bottom frame of the vehicle through a bolt and nut fastener.
Referring to fig. 1, 2 and 5, the stay wire 6 of the present invention is used for the reset of the protection plate 1, one end of the stay wire is passed through the lifting bolt 11 and the protection plate 1 are connected, and one end of the stay wire is passed through the stay wire installation seat 16 installed inside the cab.
Referring to fig. 1, fig. 2 and fig. 6, trigger mechanism includes trigger bar 13, trigger bar connecting piece 14, fixed axle 15, is used for the utility model discloses a trigger of whole mechanism, trigger bar connecting piece 14 install in trigger bar 13, trigger bar connecting piece 14 passes through fixed axle 15 is installed in the vehicle chassis.
Referring to fig. 7A, 7B and 7C, the limiting mechanism of the present invention includes a hanging plate 17, a limiting hook 18, a return spring 19, a rotating shaft 20, a transmission contact piece 21, a transmission rod connector 22, a transmission shaft intermediate connector 23, a transmission connecting pin 24 and an electromagnetic valve 25. And the hanging plate 17 is arranged at the position of the vehicle underframe through a fastener bolt and a nut and is used for fixing, supporting and installing the whole limiting mechanism 2. The limiting hook 18, the reset spring 19 and the transmission contact spring 21 all penetrate through the rotating shaft 20 and are connected with the hanging plate 17, and the transmission contact spring 21 is in contact with the limiting hook 18 and is used for directly triggering the limiting hook 18, so that the protection plate 1 hooked by the limiting hook 18 is triggered. 19 one end of reset spring is fixed in pivot 20, and the other end is connected with the link plate by-passing the pivot, is used for reseing limit hook 18, drive rod connector 22 connector 23 reaches in the middle of the transmission shaft drive connecting pin 24 is used for connecting stop gear 2 with transfer line 3, solenoid valve 25 pass through the bolt and the nut install in link plate 17, be used for the utility model discloses an initiative is triggered.
Referring to fig. 7C and 8, during installation, the front-end trigger mechanism of the device is installed on the vehicle underframe through the fixed shaft 15 by the trigger rod connecting piece 14, the trigger rod connecting piece 14 is connected with the trigger rod 13 and is simultaneously connected with the transmission rod 3, the other end of the transmission rod 3 is connected with the limiting mechanism 2, the limiting hook 18 on the limiting mechanism 2 is hooked with the protection plate 1, the other side of the protection plate is movably connected with the vehicle body, the protection plate 1 is also connected with the stay wire 6, one end of the trigger spring 5 is connected with the transmission rod 3, and the other end of the trigger.
When the automobile protection device works, when the trigger rod 13 is triggered, the trigger mechanism drives the transmission rod 3 to move backwards, the transmission trigger piece 21 of the limiting mechanism rotates clockwise to drive the rotating shaft 20 to rotate clockwise, so that the limiting hook 18 on the rotating shaft 20 also rotates clockwise to separate the protection plate 1, the protection plate falls down to timely protect pedestrians and articles under the automobile, the reset spring 19 automatically resets at the moment, and the protection plate is pulled up through the pull wire 6 and is arranged on the limiting hook for recycling.
Claims (7)
1. A low floor rail vehicle pedestrian protection device characterized in that: the protection plate assembly comprises protection plates, a travel switch, a limiting mechanism, a transmission rod, a trigger spring, a trigger mechanism and a reset stay rope, wherein one side of the protection plate assembly is articulated with the limiting mechanism, the other side of the protection plate assembly is movably connected to a vehicle body, the reset stay rope is connected to the protection plate, the other end of the reset stay rope is fixed to a cab, one end of the limiting mechanism is fixed to a vehicle chassis, the other end of the limiting mechanism is connected to the trigger mechanism through the transmission rod, the trigger mechanism is movably connected to the vehicle body, one end of the trigger spring is connected to the transmission rod, the other end of the trigger spring is connected to the vehicle body and used for preventing the transmission rod from shaking and mis-triggering, the travel switch is.
2. A low floor railway vehicle pedestrian protection arrangement according to claim 1, wherein: the protective plate assembly is formed by connecting a plurality of cross beams with the same width as the underframe of the vehicle body, wherein the cross beams connected with the vehicle body are provided with two rotating bearing frames, and the rotating bearing frames are fixedly connected with the vehicle body.
3. A low floor railway vehicle pedestrian protection arrangement according to claim 1, wherein: stop gear include link plate, spacing hook, reset spring, pivot, transmission trigger piece, drive rod connector, transmission shaft intermediate connector, transmission connecting pin, solenoid valve, the link plate is fixed in the vehicle chassis, an installation pivot on the link plate, spacing hook installs and articulates with the guard plate in the pivot, transmission trigger piece one end is installed in the pivot, the transfer line is connected to the other end, reset spring is fixed with the link plate after bypassing the pivot, the solenoid valve is installed on the link plate, transmission trigger piece is connected to through drive rod connector, transmission shaft intermediate connector and transmission connecting pin the transfer line is connected.
4. A low floor railway vehicle pedestrian protection arrangement according to claim 1, wherein: the triggering mechanism is characterized in that a fixed shaft is arranged on the vehicle body, a triggering rod is movably connected to the shaft, and the triggering rod is connected with a transmission rod.
5. A low floor rail vehicle pedestrian protection arrangement according to claim 4, wherein: the trigger bar is movably connected with the fixed shaft through a trigger bar connecting piece, and the trigger bar connecting piece is used for adjusting the height of the trigger bar from the track.
6. A low floor rail vehicle pedestrian protection arrangement according to claim 4, wherein: the trigger spring is connected with the transmission rod through a threaded sleeve, and the trigger spring is used for adjusting an impact initial trigger force value.
7. A low floor railway vehicle pedestrian protection arrangement according to claim 2, wherein: and two damping pads are arranged on the cross beam articulated with the limiting mechanism in the cross beam and used for buffering the impact between the protection plate and the underframe of the vehicle body when the protection plate is reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427434.4U CN210634565U (en) | 2019-08-30 | 2019-08-30 | Pedestrian protection device for low-floor railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427434.4U CN210634565U (en) | 2019-08-30 | 2019-08-30 | Pedestrian protection device for low-floor railway vehicle |
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| Publication Number | Publication Date |
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| CN210634565U true CN210634565U (en) | 2020-05-29 |
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| CN201921427434.4U Active CN210634565U (en) | 2019-08-30 | 2019-08-30 | Pedestrian protection device for low-floor railway vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371155A (en) * | 2019-08-30 | 2019-10-25 | 中车长春轨道客车股份有限公司 | A kind of low-floor rail vehicle pedestrian protection |
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2019
- 2019-08-30 CN CN201921427434.4U patent/CN210634565U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371155A (en) * | 2019-08-30 | 2019-10-25 | 中车长春轨道客车股份有限公司 | A kind of low-floor rail vehicle pedestrian protection |
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