Rail vehicle evacuation device and rail vehicle

Abstract

The application provides a rail vehicle evacuation device and a rail vehicle, which comprise a fixed support, a telescopic driving mechanism and a ramp body, wherein the fixed support comprises a fixed beam and a storage box, the fixed beam is fixed with the floor bottom surface of a carriage, thereby fixing the storage box with the floor bottom surface of the carriage, a storage cavity is arranged in the storage box, and the ramp body and the telescopic driving mechanism are arranged in the storage cavity; the ramp body comprises a sliding bottom plate, a lifting mechanism, a step, a turnover cylinder and a telescopic ramp plate, the telescopic driving mechanism is connected with the sliding bottom plate of the ramp body, thereby being capable of pushing the ramp body out of the storage cavity and retracting the ramp body into the storage cavity, the lifting mechanism lifts the step, and the turnover cylinder turns over the telescopic ramp plate, thereby forming an evacuation channel. The ladder has a small width when unfolded, occupies a small space, has a simple structure and is highly adaptable to different heights. The apron is arranged on one side of the sliding bottom plate close to the outlet of the storage box and can be pushed out and retracted together by the retracting mechanism, and the apron is convenient to operate.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail transit, in particular to a rail vehicle evacuation device and a rail vehicle. BACKGROUND

[0002] In order to ensure passenger safety in the case of sudden accidents of rail vehicles, rail transit vehicles are equipped with manually or automatically extendable and foldable evacuation ladders for safe and efficient evacuation of passengers in emergency situations.

[0003] The existing emergency evacuation ladder is perpendicular to the vehicle along the direction of the vehicle door after the ladder is unfolded, and the width of the unfolded ladder is particularly large, occupying a large space. Moreover, the structure of the ladder is complex, and several cylinders are required for automatic extension and folding, which takes a long time to extend. For example, in the prior art, an evacuation ladder is installed at the escape door of a rail vehicle, and the apron structure of the rail vehicle is located on both sides of the vehicle and is generally installed in a fixed manner. When evacuating from the side, the apron needs to be opened before the evacuation ladder can be unfolded, which is inconvenient to operate and takes a lot of time, delaying evacuation.

[0004] Moreover, the height of the train floor from the ground varies depending on the terrain conditions of the train emergency situation, and the height of the required evacuation ladder is uncertain. For example, some heights require the unfolding of five steps, and some heights require the unfolding of four steps. The existing emergency evacuation ladder has poor adaptability to different heights.

[0005] For example, in the prior art, a side evacuation ladder and control method for a rail transit vehicle are provided. The evacuation ladder can be stored in a storage box on the side of the vehicle, and the evacuation ladder can be opened and extended step by step according to the platform requirements. This patent can adjust the number of steps of the evacuation ladder according to the installation height, but the height of each step is fixed, making it difficult to fine-tune to achieve the most appropriate height. Moreover, the direction of the step extension is perpendicular to the vehicle, which has high requirements for the floor area in the direction of the evacuation ladder extension. In addition, the number of steps to be folded is large, occupying a large space. SUMMARY

[0006] To solve the above technical problems, the present application provides a rail vehicle emergency evacuation device.

[0007] The embodiment of the present application provides a rail vehicle evacuation device, which comprises a fixed support, a telescopic driving mechanism and a ramp body, wherein the fixed support comprises a fixed beam and a storage box, the fixed beam is fixed on the floor bottom surface of a carriage below a door, the storage box is fixed on the fixed beam, a storage cavity is arranged in the storage box, an entrance is arranged on the side of the storage cavity facing the door, the ramp body and the telescopic driving mechanism are arranged in the storage cavity; the ramp body comprises a sliding bottom plate, a lifting mechanism, a step and a telescopic ramp plate, the lifting mechanism is arranged on the sliding bottom plate, the step is arranged on the lifting mechanism, one end of the telescopic ramp plate is movably connected with one end of the step; the telescopic driving mechanism is connected with the sliding bottom plate of the ramp body, so that the ramp body can be pushed out of the storage cavity and withdrawn into the storage cavity, the lifting mechanism is used for lifting the step, the telescopic ramp plate is unfolded from the step and forms an evacuation channel; a skirt plate is fixed on the side of the sliding bottom plate facing the door, the skirt plate moves with the sliding bottom plate and is used for shielding the entrance after the ramp body is withdrawn into the storage cavity.

[0008] In some embodiments, the step is further provided with a turnover air cylinder on both sides, one end of the turnover air cylinder is fixed on an air cylinder seat on the step, the other end is movably connected with a turnover connecting rod, the other end of the turnover connecting rod is movably connected with the side of the telescopic ramp plate; one end of the telescopic ramp plate and one end of the step are pivotally connected through a pivot shaft, the turnover air cylinder is used for driving the telescopic ramp plate to rotate around the pivot shaft, and the telescopic ramp plate is stretched from the stacked state with the step to the state of contacting the ground.

[0009] In some embodiments, the telescopic driving mechanism is fixed in the storage cavity, the telescopic driving mechanism comprises a shell, a driving motor, a first rotating shaft and a second rotating shaft are fixedly arranged in the shell, the output end of the driving motor is connected with the first rotating shaft through a speed reducer, the second rotating shaft is connected with the first rotating shaft through a conveying belt, and transmission rollers are fixed at both ends of the first rotating shaft and the second rotating shaft.

[0010] In some embodiments, the storage box of the fixed support is symmetrically provided with a slide and a guide rail, the guide rail is arranged on the inner side of the slide; two rows of sliding rollers are arranged on both sides of the sliding bottom plate, the sliding rollers are matched with the slide, and the sliding rollers slide on the slide; a sliding limiting portion is arranged on the bottom surface of the sliding bottom plate, the sliding limiting portion is matched with the guide rail, and the sliding limiting portion slides on the guide rail.

[0011] In some embodiments, the sliding bottom plate upper surface is provided with a first lifting mechanism groove, the pedal bottom side is provided with a second lifting mechanism groove, and the lifting mechanism is arranged between the first lifting mechanism groove and the second lifting mechanism groove; the inner side wall of the first lifting mechanism groove is provided with a first sliding groove, and the inner side wall of the second lifting mechanism groove is provided with a second sliding groove; the lifting mechanism comprises a lifting arm, and the lifting arm of the lifting mechanism slides in the first sliding groove and the second sliding groove.

[0012] In some embodiments, the lifting arm comprises a first lifting arm and a second lifting arm which are symmetrically and crossingly hinged at one side, and a third lifting arm and a fourth lifting arm which are symmetrically and crossingly hinged at the other side, and the crossings of the two sides are connected by the same hinge shaft; one end of the first lifting arm and the third lifting arm is fixed in the second lifting mechanism groove, and the other end is fixed with a first pulley which can move in the first sliding groove of the sliding bottom plate; one end of the second lifting arm and the fourth lifting arm is fixed in the first lifting mechanism groove, and the other end is fixedly connected with a second pulley which moves in the second sliding groove.

[0013] In some embodiments, the lifting mechanism is driven by a lifting cylinder or a winch.

[0014] In some embodiments, the ramp body further comprises a folding mechanism, the folding mechanism comprises a rotary motor, a winding shaft, a steel wire rope and an extension support rod, and the rotary motor, the winding shaft and the extension support rod are symmetrically arranged on both sides of the pedal; one end of the steel wire rope is fixed to the winding shaft, and the other end passes through the top end of the extension support rod on the opposite side and is fixed to the side edge of the corresponding extension ramp plate on the opposite side; the rotary motor drives the winding shaft to rotate, thereby tightening the steel wire rope and folding the extension ramp plate back to the pedal.

[0015] In some embodiments, the folding mechanism further comprises a folding connecting rod and a folding cylinder, the output end of the folding cylinder is connected to the folding connecting rod, and the folding connecting rod is connected to the extension support rod; the extension support rod, the folding connecting rod and the folding cylinder are arranged in a first accommodating groove on the side of the pedal top surface away from the extension ramp plate, and the folding cylinder drives the folding connecting rod to drive the extension support rod to fold in the first accommodating groove.

[0016] The embodiments of the present application provide a rail vehicle comprising the rail vehicle evacuation device.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. The vehicle evacuation device in the present application can fold the ramp body to the direction parallel to the vehicle by the overturning cylinder and then unfold it, and the width of the unfolded vehicle evacuation device is the width of the pedal, so that the evacuation channel has a small width and occupies a small space.

[0019] 2. The skirt plate is arranged on the ramp body, and the skirt plate can be pushed out and retracted together with the ramp body, and the skirt plate does not need to be opened in advance when the vehicle evacuation device of the application is used, and the operation is more convenient.

[0020] 3. The vehicle evacuation device in the application adopts a telescopic ramp plate, there is no step grading, any height can make the telescopic ramp plate reach the ground, and the telescopic ramp plate has an extendable sub-plate, and the length of the sub-plate extending out can be adjusted according to the height requirement to adjust the angle of the ramp and the ground.

[0021] 4. The vehicle evacuation device in the application adopts a lifting mechanism to make the stability of the evacuation device higher, the lifting force is large, and the lifting arm is folded and stored in the lifting mechanism groove between the pedal and the sliding bottom plate, which greatly reduces the occupied space of the evacuation device. At the same time, the lifting height of the lifting mechanism can be adjusted according to the ground height, and the terrain adaptability is good. After setting the lifting height of the lifting mechanism, the predetermined height can be directly reached, and the operation efficiency is improved.

[0022] 5. The vehicle evacuation device in the application, the steel wire rope in the contraction mechanism passes through the top end of the telescopic support rod and is fixed with the side edge of the telescopic ramp plate, so that the steel wire rope forms a guardrail, ensuring the safety of pedestrians.

[0023] In order to make the above-mentioned purposes, characteristics and advantages of the application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 A structure schematic diagram of a rail vehicle evacuation device of the application is shown, which is stretched on the side of the vehicle to form an evacuation channel;

[0026] Figure 2 A structure schematic diagram of a rail vehicle evacuation device of the application is shown;

[0027] Figure 3 A structure schematic diagram of a fixed support of a rail vehicle evacuation device of the application is shown;

[0028] Figure 4 A structure schematic diagram of a telescopic drive mechanism of a rail vehicle evacuation device of the application is shown;

[0029] Figure 5A structure diagram of a telescopic drive mechanism and a conveyor belt clamp of a rail vehicle evacuation device is shown in the application;

[0030] Figure 6 A structure diagram of a ramp body of a rail vehicle evacuation device is shown in the application;

[0031] Figure 7 A structure diagram of a pedal of a rail vehicle evacuation device is shown in the application;

[0032] Figure 8 A structure diagram of a sliding bottom plate of a rail vehicle evacuation device is shown in the application;

[0033] Figure 9 A structure diagram of a lifting mechanism of a rail vehicle evacuation device is shown in the application;

[0034] Figure 10 Another structure diagram of a lifting mechanism of a rail vehicle evacuation device is shown in the application;

[0035] Figure 11 A structure diagram of a retracting mechanism of a rail vehicle evacuation device is shown in the application;

[0036] Figure 12 A structure diagram of a retracting mechanism of a rail vehicle evacuation device is shown in the application.

[0037] In order to make the person in the technical field more accurate, clear understanding and implementation of the application, the following description of the drawings of the drawings for further description of the reference signs, in the figure:

[0038] 100 - vehicle evacuation device, 200 - carriage floor, 300 - skirt board, 110 - fixed support, 111 - fixed beam, 112 - storage box, 1120 - storage cavity, 1121 - slide, 1122 - guide rail, 1123 - mounting block, 120 - telescopic driving mechanism, 121 - shell, 122 - driving motor, 123 - speed reducer, 124 - first rotating shaft, 125 - second rotating shaft, 126 - conveyor belt, 127 - transmission roller, 128 - conveyor belt clamp, 130 - ramp body, 131 - sliding bottom plate, 1311 - sliding roller, 1312 - sliding limiting portion, 1313 first lifting machine groove, 1314 - first sliding groove, 132 - lifting mechanism, 1321 - first lifting arm, 1322 - second lifting arm, 1323 - third lifting arm, 1324 - fourth lifting arm, 1325 - hinged shaft, 1326 - first pulley, 1327 - second pulley, 1328 - lifting cylinder, 1329 - connecting rod, 1340 - winch, 1341 - third pulley, 1342 - third steel wire rope, 1343 - fixed column, 133 - step plate, 1331 - second lifting machine groove, 1332 - second sliding groove, 1333 - pivot shaft, 1334 - first accommodating groove, 1335 - second accommodating groove, 1336 - third accommodating groove, 1337 - cylinder seat, 1338 - rope passing column, 1339 - rope passing hole, 134 - overturning cylinder, 135 - overturning connecting rod, 136 - telescopic ramp plate, 1361 - base plate, 1362 - sub-plate, 137 - contraction mechanism, 1371 - first rotary motor, 1372 - second rotary motor, 1373 - first wire winding shaft, 1374 - second wire winding shaft, 1375 - first steel wire rope, 1376 - second steel wire rope, 1377 - first telescopic support rod, 1378 - second telescopic support rod, 1379 - first folding cylinder, 1380 - second folding cylinder, 1381 - first folding connecting rod, 1382 - second folding connecting rod, 1383 - third folding connecting rod, 1384 - fourth folding connecting rod. DETAILED DESCRIPTION

[0039] The terms "comprise", "comprising", "contain", "containing", or "characterized by" in the specification and claims of this application and the said drawings are synonymous with "include", "including", or "characterized by" and are inclusive or open ended and do not exclude additional, unrecited elements or method steps. "Comprising" is a term of art that is used in the patent law to mean that the recited elements are present, but that additional elements can also be present and that the claimed invention is not limited to the elements recited.

[0040] It should be noted that similar reference numbers and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In addition, the terms "first", "second", "third", etc. are used only to distinguish descriptions, and cannot be understood as indicating or implying relative importance. The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular embodiment independently of other embodiments. It will be explicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0042] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0043] Embodiment one

[0044] The embodiment of the present application provides a rail vehicle evacuation device 100, which is deployed on the side of a car body as shown in Figure 1 The rail vehicle evacuation device 100 as shown in Figure 2 includes a fixed support 110, a telescopic driving mechanism 120, and a ramp body 130. The fixed support 110 includes a fixed beam 111 and a storage box 112. The fixed beam is fixed to the bottom surface of the car body floor 200 below the door. The storage box 112 is fixed to the fixed beam 111. A storage cavity 1120 is provided in the storage box 112. An entrance is provided on the side of the storage cavity 1120 facing the door. The side facing the door refers to the direction perpendicular to the vehicle and the direction in which passengers get off the vehicle. The ramp body 130 and the telescopic driving mechanism 120 are provided in the storage cavity 1120. The entrance is used for the ramp body 130 to extend out and retract. The ramp body 130 includes a sliding bottom plate 131, a lifting mechanism 132, a stepping plate 133, a turnover cylinder 134, and a telescopic ramp plate 136. The telescopic driving mechanism 120 is connected to the sliding bottom plate 131 of the ramp body 130, so that the ramp body 130 can be pushed out of the storage cavity 1120 and retracted into the storage cavity 1120. The lifting mechanism 132 lifts the stepping plate 133. The turnover cylinder 134 turns over the telescopic ramp plate 136, so as to form an evacuation passage.

[0045] In this embodiment, the ramp body 130 is turned to the direction parallel to the vehicle and then unfolded, the width of the rail vehicle evacuation device after unfolding is the width of the tread plate 133, the evacuation passage width is small, and the occupied space is small; and the lifting arm is folded and stored in the lifting mechanism groove between the tread plate 133 and the sliding bottom plate 131, so that the occupied space of the evacuation device is greatly reduced. At the same time, the lifting mechanism 132 makes the stability of the evacuation device higher, and the lifting force is large.

[0046] As shown in Figure 3 , it comprises a fixed support 110 fixed on the bottom surface of the vehicle floor; the fixed support 110 comprises a fixed beam 111 and a storage box 112, the fixed beam 111 is fixed in the fixed groove on the bottom surface of the vehicle floor by bolts, and the storage box 112 is firmly fixed with the bottom surface of the vehicle floor. The storage box 112 is provided with a storage cavity 1120, and the ramp body 130 and the telescopic driving mechanism 120 are arranged in the storage cavity 1120. The telescopic driving mechanism 120 can push the ramp body 130 out of the storage cavity 1120 or retract it into the storage cavity 1120.

[0047] As shown in Figures 4-5 , the telescopic driving mechanism 120 comprises a shell 121, a driving motor 122 such as a synchronous motor is fixedly arranged in the shell 121, the output shaft of the driving motor 122 is connected with a speed reducer 123, the speed reducer 123 comprises a first transmission gear arranged at the output end of the motor, and a second transmission gear meshing with the first transmission gear, the second transmission gear is fixed on a first rotating shaft 124 without relative rotation, and transmission rollers 127 are fixedly arranged at both ends of the first rotating shaft 124. The first rotating shaft 124 and the second rotating shaft 125 are fixed on the shell 121. Transmission rollers 127 are fixedly arranged at both ends of the second rotating shaft 125. The transmission rollers 127 of the first rotating shaft 124 and the second rotating shaft 125 are connected with a conveying belt 126. The driving motor 122 drives the first rotating shaft 124 through the speed reducer, the first rotating shaft 124 drives the transmission rollers 127, the transmission rollers 127 drive the conveying belt 126, so that the transmission rollers 127 at both ends of the second rotating shaft 125 are driven, and the conveying belt 126 rotates between the first rotating shaft 124 and the second rotating shaft 125.

[0048] The conveying belt 126 is fixed with a conveying belt clamp 128, the top end of the conveying belt clamp 128 is fixed with the lower surface of the sliding bottom plate 131, and the conveying belt 126 drives the conveying belt clamp 128 to extend and retract after the first rotating shaft 124 and the second rotating shaft 125 rotate, so as to drive the sliding bottom plate 131 to extend and retract relative to the storage box 112, so that the ramp body 130 can extend and retract in the storage box 112. When the driving motor 122 rotates forward, the telescopic driving mechanism 120 drives the ramp body 130 to extend out of the storage box, and when the driving motor 122 reverses, the telescopic driving mechanism 120 drives the ramp body 130 to retract into the storage box.

[0049] In some embodiments, the conveyor belt 126 can also be a belt, a chain or a rack, and when the conveyor belt is a chain or a rack, the outer side of the drive roller 127 can be further provided with a gear ring engaged with the chain or the rack.

[0050] In some embodiments, the fixed support 110 is further provided with a slide 1121 and a guide rail 1122 symmetrically arranged in the storage box 112, and the guide rail 1122 is arranged inside the slide 1121. The inner side of the guide rail 1122 is also provided with a mounting block 1123 for fixing the housing 121 of the telescopic driving mechanism 120, and the fixing mode includes but is not limited to a threaded sleeve and a bolt fixing.

[0051] As shown in Figure 6 The ramp body 130 includes a sliding bottom plate 131, a lifting mechanism 132, a turnover cylinder 134, a stepping plate 133, a telescopic ramp plate 136 and a contraction mechanism 137. The apron is fixed to the front end of the sliding bottom plate 131 of the ramp body 130, and the apron is extended with the ramp body 130 during the extension of the ramp body 130 from the storage box 112 of the fixed support 110.

[0052] In this embodiment, the apron 300 is fixedly connected with the sliding bottom plate 131, and when the rail vehicle evacuation device is used, the apron 300 and the sliding bottom plate 131 can move synchronously without the need to open the apron first and then form an evacuation channel, and there is no need to additionally set an apron storage structure, which improves the operation efficiency and simplifies the device structure.

[0053] Two rows of sliding rollers 1311 are arranged on both sides of the sliding bottom plate 131, the sliding rollers 1311 cooperate with the slide 1121, and the sliding rollers 1311 slide on the slide 1121. The bottom surface of the sliding bottom plate 131 is provided with a sliding limiting part 1312, the sliding limiting part 1312 cooperates with the guide rail 1122, and the sliding limiting part 1312 slides on the guide rail 1122. The upper surface of the sliding bottom plate 131 is provided with a first lifting mechanism groove 1313, the first lifting mechanism groove 1313 is provided with the lifting mechanism 132, and the inner side wall of the first lifting mechanism groove 1313 is provided with a first sliding groove 1314, as shown in Figure 8

[0054] The lifting mechanism 132 is as shown in Figure 9 ​As shown, including a side of the middle cross articulated first lifting arm 1321 and the second lifting arm 1322, and the other side of the middle cross articulated third lifting arm 1323 and the fourth lifting arm 1324, the two sides of the articulated shaft 1325 for the same. The first lifting arm 1321 and the third lifting arm 1323 are also provided with a connecting rod 1329 between the second lifting arm 1322 and the fourth lifting arm 1324, the connecting rod 1329 is parallel to the articulated shaft 1325, for fixing the distance between the two sides of the articulated lifting arm, improve the stability of the lifting mechanism.

[0055] The first lifting arm 1321 and the third lifting arm 1323 are fixed in the second lifting machine groove 1331 of the bottom surface of the pedal 133, and the other end is fixed with the first pulley 1326, the first pulley 1326 can move in the first sliding groove 1314 of the sliding bottom plate 131. The second lifting arm 1322 and the fourth lifting arm 1324 are fixed in the first lifting machine groove 1313, and the other end is fixedly connected with the second pulley 1327, the second pulley 1327 can move in the second sliding groove 1332 which is set on the inner side wall of the second lifting machine groove 1331 of the bottom surface of the pedal 133. The first lifting machine groove 1313 is fixedly provided with two lifting cylinders 1328, which are arranged on one side close to the first pulley 1326, and the other end of the two lifting cylinders 1328 is fixedly connected with the articulated shaft 1325. Two lifting cylinders 1328 can give the articulated shaft 1325 thrust to make the lifting mechanism 132 rise, and can give the articulated shaft 1325 tension to make the lifting mechanism 132 lower.

[0056] When the lifting cylinder 1328 pushes out, the articulated shaft 1325 is pushed to drive each lifting arm, so that the first pulley 1326 slides from the first sliding groove 1314 to the fixed end close to the second lifting arm 1322 and the fourth lifting arm 1324, and the second pulley 1327 slides from the second sliding groove 1332 to the fixed end close to the first lifting arm 1321 and the third lifting arm 1323, so that the lifting mechanism 132 rises. When the lifting cylinder 1328 is pulled back, the articulated shaft 1325 is driven, so that the first pulley 1326 slides from the first sliding groove 1314 to the fixed end away from the second lifting arm 1322 and the fourth lifting arm 1324, and the second pulley 1327 slides from the second sliding groove 1332 to the fixed end away from the first lifting arm 1321 and the third lifting arm 1323, so that the lifting mechanism 132 rises.

[0057] The lifting height of the lifting mechanism 132 can also be adjusted according to the ground height, and the terrain adaptability is good. After setting the lifting height of the lifting mechanism, the predetermined height can be directly reached, and the operation efficiency is improved.

[0058] In some embodiments, the driving mechanism of the lifting mechanism 132 may also be driven by a winch 1340, a third pulley 1341, and a third wire rope 1342, such as Figure 10 As shown, the winch 1340 and the third pulley 1341 are located opposite each other at both ends of the second lifting machine groove 1331 on the bottom surface of the pedal 133. One end of the third steel wire rope 1342 is led out from the winch 1340, and the other end passes through the third pulley 1341 and is fixed to the fixing post 1343 in the first lifting machine groove 1313. The third pulley 1341 is fixed on the side of the second lifting machine groove 1331 near the second slide groove 1332, and the fixing post 1343 is located on the side of the first lifting machine groove 1313 near the first slide groove 1314. The winch 1340 drives the lifting mechanism to rise and fall by driving the third steel wire rope 1342.

[0059] The pedal 133 and the telescopic ramp 136 are connected by a pivot shaft 1333. The telescopic ramp 136 can be folded over the pedal 133 before unfolding. A second receiving groove 1335 and a third receiving groove 1336 are provided on both sides of the pedal 133. The second receiving groove 1335 is located on the side of the pedal closer to the rail vehicle door, and the third receiving groove 1336 is located on the side of the pedal away from the rail vehicle door. A tilting cylinder 134 is fixedly installed in both the second and third receiving grooves 1335 and 1336. One end of the tilting cylinder 134 is fixed to a cylinder seat 1337 within the second and third receiving grooves 1335 and 1336, and the other end of the tilting cylinder 134 is movably connected to one end of a tilting connecting rod 135. The other end of the tilting connecting rod 135 is movably connected to the side of the telescopic ramp 136. The retractable ramp 136 is rotated around the pivot axis 1333 by the flip cylinder 134, which pushes the retractable ramp 136 from the stacked pedal 133, thereby causing the retractable ramp 136 to contact the ground. Figure 7 As shown.

[0060] The retractable ramp 136 includes a base plate 1361 and a sub-plate 1362. The sub-plate 1362 can retract into the base plate 1361 and can extend out from the base plate 1361 to touch the ground. The length of the sub-plate extending from the base plate can be adjusted according to the required height of the evacuation passage, thereby adjusting the slope of the evacuation passage.

[0061] In some embodiments, multiple sub-plates can be provided, and the slope of the evacuation passage can be adjusted by the number of sub-plates extending out.

[0062] The retraction mechanism 137 is located at the end of the pedal away from the telescopic ramp plate, such as... Figure 11The first rotating motor 1371, the second rotating motor 1372, the first rope winding shaft 1373, the second rope winding shaft 1374, the first steel wire rope 1375, the second steel wire rope 1376, the first telescopic support 1377, the second telescopic support 1378, the first folding cylinder 1379, the second folding cylinder 1380, the first folding connecting rod 1381, and the second folding connecting rod 1382 are arranged on the top surface of the step 133. The first accommodating groove 1334 is arranged on the end of the top surface of the step 133 away from the pivot shaft 1333, and the first telescopic support 1377, the second telescopic support 1378, and the steel wire rope through hole are arranged in the first accommodating groove 1334. The bottom surface of the step 133 is provided with the first rotating motor 1371 and the second rotating motor 1372. The output end of the first rotating motor 1371 is connected with the first rope winding shaft 1373, and the output end of the second rotating motor 1372 is connected with the second rope winding shaft 1374. The first steel wire rope 1375 is slidingly supported on the top end of the second telescopic support 1378, one end of the first steel wire rope 1375 is fixed on the corresponding side of the telescopic ramp plate 136, and the other end of the first steel wire rope 1375 passes through the steel wire rope through hole and is fixed on the first rope winding shaft 1373. The second steel wire rope 1376 is slidingly supported on the top end of the first telescopic support 1377, one end of the second steel wire rope 1376 is fixed on the corresponding side of the telescopic ramp plate 136, and the other end of the second steel wire rope 1376 passes through the steel wire rope through hole and is fixed on the second rope winding shaft 1374. Through the rotation of the rotating motor, the rope winding shaft can be driven to rotate, so that the steel wire rope is tightened, and the telescopic ramp plate 136 is folded back on the step 133. In addition, the steel wire rope on the side of the telescopic ramp plate also plays a certain role of guardrail, so as to avoid the person from falling off the evacuation device in panic.

[0063] In some embodiments, the first telescopic support 1377 is located on the side of the step 133 away from the exit of the door of the rail vehicle, and the second telescopic support 1378 is located on the side of the step 133 close to the exit of the door of the rail vehicle. The rope passing column 1338 is further arranged in the second accommodating groove 1335 of the step 133 on the rear side of the cylinder seat 1337, the rope passing column 1338 is provided with a through hole, and the side plate on the end of the second accommodating groove 1335 close to the pivot shaft 1333 is provided with the rope passing hole 1339. After the first steel wire rope 1375 passes through the top end of the second telescopic support 1378, the rope passing column 1338 and the rope passing hole 1339 in the second accommodating groove 1335 are passed, and the side of the telescopic ramp plate 136 close to the door is fixed. Therefore, the first steel wire rope 1375 forms an inclined guardrail at the end of the step 133 away from the telescopic ramp plate 136, is located in the second accommodating groove 1335 at the exit of the rail vehicle, and does not affect the walking of the pedestrian. When the first steel wire rope 1375 is tightened, the folding of the telescopic ramp plate 136 can be smoothly driven. The state of the rail vehicle evacuation device being folded and stored on the floor of the car is shown in Figure 12

[0064] ​The first telescopic support rod 1377 and the second telescopic support rod 1378 are foldable, the first accommodating groove 1334 is symmetrically provided with a first folding cylinder 1379 and a second folding cylinder 1380, and foldable connecting rods are symmetrically arranged, one side of the foldable connecting rods includes a first foldable connecting rod 1381, a second foldable connecting rod 1382, and the other side of the foldable connecting rods includes a third foldable connecting rod 1383 and a fourth foldable connecting rod 1384. The output end of the first folding cylinder 1379 is movably connected to the first foldable connecting rod 1381, the first foldable connecting rod 1381 is movably connected to the second foldable connecting rod 1382, and the second foldable connecting rod 1382 is fixed on the first telescopic support rod 1377. The output end of the second folding cylinder 1380 is movably connected to the third foldable connecting rod 1383, the third foldable connecting rod 1383 is movably connected to the fourth foldable connecting rod 1384, and the fourth foldable connecting rod 1384 is fixed on the second telescopic support rod 1378. The foldable connecting rods are driven by the folding cylinders, so that the first telescopic support rod 1377 and the second telescopic support rod 1378 can be folded in the first accommodating groove 1334. In some embodiments, the telescopic support rod can be a cylinder or the like.

[0065] In the present application, a rail vehicle can deploy a rail vehicle evacuation device at the bottom of the carriage in an emergency to form an evacuation channel. First, the telescopic drive mechanism 120 can extend the ramp body 130 together with the apron 300 from below the floor of the carriage, then the contraction mechanism 137 is deployed, the lifting mechanism 132 lifts the tread plate 133, the turnover cylinder 134 turns over the telescopic ramp plate 136, and the sub-plate 1362 abuts the ground, so that passengers can walk down the ramp to the installation position. In some embodiments, the ramp face width of the ramp body 130 can be 0.6m, the length of the tread plate 133 and the telescopic ramp plate 136 is 1.4m, the width refers to the length perpendicular to the direction of vehicle advancement, and the length refers to the length parallel to the direction of vehicle advancement. This setting can make the slope of the evacuation channel reach 30 degrees, forming a more comfortable walking slope.

[0066] The above describes the embodiments of the present application in detail, and the principles and implementation modes of the present application are described by applying specific examples. The above embodiment description is only used to help understand the method and core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range can be changed, and the above description should not be understood as limiting the present application.

Claims

1. A rail vehicle evacuation device, comprising: The system comprises a fixed support, a telescopic drive mechanism, and a ramp body. The fixed support includes a fixed beam and a storage box. The fixed beam is fixed to the bottom surface of the vehicle floor below the door. The storage box is fixed to the fixed beam and has a storage cavity. An entrance / exit is located on the side of the storage cavity facing the door. The ramp body and the telescopic drive mechanism are housed within the storage cavity. The ramp body includes a sliding base plate, a lifting mechanism, a pedal, and a telescopic ramp plate. The lifting mechanism is provided on the sliding base plate, and the pedal is provided on the lifting mechanism. One end of the telescopic ramp plate is movably connected to one end of the pedal. The telescopic drive mechanism is connected to the sliding base plate of the ramp body, thereby enabling the ramp body to be pushed out of the storage cavity and retracted into the storage cavity. The lifting mechanism is used to lift the pedal, and the telescopic ramp plate unfolds from the pedal to form an evacuation channel. The telescopic drive mechanism includes a housing, in which a drive motor, a first rotating shaft, and a second rotating shaft are fixedly installed. The output end of the drive motor is connected to the first rotating shaft through a reducer. Both ends of the first and second rotating shafts are fixed with transmission rollers. The second rotating shaft is connected to the first rotating shaft through a conveyor belt. A conveyor belt clamp is provided on the conveyor belt, and the conveyor belt clamp is fixedly connected to the sliding base plate. A skirt is fixed to the side of the sliding base plate facing the door. The skirt moves with the sliding base plate and is used to cover the entrance and exit after the ramp body is retracted into the receiving cavity.

2. The rail vehicle evacuation device according to claim 1, characterized in that, A flipping cylinder is fixedly installed on both sides of the pedal. One end of the flipping cylinder is fixed to the cylinder seat on the pedal, and the other end is movably connected to the flipping linkage. The other end of the flipping linkage is movably connected to the side of the telescopic ramp plate. One end of the telescopic ramp plate and one end of the pedal are pivotally connected through a pivot shaft. The flipping cylinder is used to push the telescopic ramp plate to rotate around the pivot shaft, so that the telescopic ramp plate extends from the stacked state with the pedal to the state of contacting the ground.

3. The rail vehicle evacuation device according to claim 1, characterized in that, The conveyor belt is a chain or rack, and the drive rollers are equipped with toothed rings that mesh with the chain or rack.

4. The rail vehicle evacuation device according to claim 1, characterized in that, The storage box of the fixed bracket is symmetrically equipped with slides and guide rails, and the guide rails are located inside the slides; Two rows of sliding rollers are provided on both sides of the sliding base plate. The sliding rollers cooperate with the slide rail and slide on the slide rail. A sliding limiting part is provided on the bottom surface of the sliding base plate. The sliding limiting part cooperates with the guide rail and slides on the guide rail.

5. The rail vehicle evacuation device according to claim 1, characterized in that, The upper surface of the sliding base plate is provided with a first lifter groove, and the bottom side of the pedal is provided with a second lifter groove. The lifting mechanism is disposed between the first lifter groove and the second lifter groove. The inner side wall of the first lifter groove is provided with a first sliding groove, and the inner side wall of the second lifter groove is provided with a second sliding groove. The lifting mechanism includes a lifting arm, and the lifting arm of the lifting mechanism slides within the first sliding groove and the second sliding groove.

6. The rail vehicle evacuation device according to claim 5, characterized in that, The lifting arms include a first lifting arm and a second lifting arm that are hinged together at the middle of one side, and a third lifting arm and a fourth lifting arm that are symmetrically hinged together at the middle of the other side. The two sides are connected by the same hinge shaft at the hinge points. One end of the first lifting arm and the third lifting arm is fixed in the second lifting machine groove, and the other end is fixed with a first pulley. The first pulley can move in the first sliding groove of the sliding base plate. One end of the second lifting arm and the fourth lifting arm is fixed in the first lifting machine groove, and the other end is fixedly connected to a second pulley. The second pulley can move in the second sliding groove.

7. The rail vehicle evacuation device according to claim 6, characterized in that, The lifting mechanism is driven by a lifting cylinder or a winch.

8. The rail vehicle evacuation device according to any one of claims 1-7, characterized in that, The ramp body also includes a retraction mechanism, which includes a rotary motor, a rope winding shaft, a steel wire rope, and a telescopic support rod. The rotary motor, the rope winding shaft, and the telescopic support rod are symmetrically arranged on both sides of the pedal. One end of the steel wire rope is fixed to the rope winding shaft, and the other end passes through the top of the telescopic support rod on the opposite side and is fixed to the side of the telescopic ramp plate corresponding to the telescopic support rod on the opposite side. The output end of the rotary motor drives the rope winding shaft to rotate, thereby tightening the steel wire rope and causing the telescopic ramp plate to fold back onto the pedal.

9. The rail vehicle evacuation device according to claim 8, characterized in that, The retraction mechanism also includes a folding linkage and a folding cylinder. The output end of the folding cylinder is connected to the folding linkage, and the folding linkage is connected to the telescopic support rod. The telescopic support rod, the folding linkage, and the folding cylinder are arranged in a first receiving groove on the top surface of the pedal away from the telescopic ramp plate. The folding cylinder drives the folding linkage, thereby causing the telescopic support rod to fold in the first receiving groove.

10. A rail vehicle, characterized in that, Includes the rail vehicle evacuation device according to any one of claims 1-9.

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