WO2017000911A1 - 一种轨道交通站台安全踏板 - Google Patents

一种轨道交通站台安全踏板 Download PDF

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Publication number
WO2017000911A1
WO2017000911A1 PCT/CN2016/088110 CN2016088110W WO2017000911A1 WO 2017000911 A1 WO2017000911 A1 WO 2017000911A1 CN 2016088110 W CN2016088110 W CN 2016088110W WO 2017000911 A1 WO2017000911 A1 WO 2017000911A1
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WIPO (PCT)
Prior art keywords
fixed
frame base
sliding frame
fixed frame
rail transit
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PCT/CN2016/088110
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English (en)
French (fr)
Inventor
史和平
尹显鳌
张朝营
朱金樑
Original Assignee
上海嘉成轨道交通安全保障系统股份公司
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Application filed by 上海嘉成轨道交通安全保障系统股份公司 filed Critical 上海嘉成轨道交通安全保障系统股份公司
Priority to US15/741,463 priority Critical patent/US10800435B2/en
Publication of WO2017000911A1 publication Critical patent/WO2017000911A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • B61B12/022—Vehicle receiving and dispatching devices
    • B61B12/024—Docking devices

Definitions

  • This patent application relates to the field of rail transit, and in particular to rail transit security technology.
  • the technical problem that is mainly solved by some embodiments of the present invention is to provide a safety pedal for a rail transit platform, which can effectively solve the safety hazard brought to the passenger by the gap existing between the rail transit platform and the train door, and is not in the process of driving.
  • the train caused obstacles.
  • a rail transit platform safety pedal comprising: a fixed frame base, a sliding frame and a pedal member, wherein the pedal member is fixed to the front end of the sliding frame;
  • the sliding frame is placed in the base of the fixed frame, and is slidably connected to the base of the fixed frame by the guide rail and the guiding device, and the sliding frame is guided by the guiding rail and the guiding device to horizontally extend and retract the base of the fixed frame;
  • a driving motor is fixed on the base of the fixed frame, and a rack is fixed on the sliding frame along the expansion and contraction direction of the sliding frame, and the rack is driven by the driving motor to push the sliding frame to extend or retract to the fixed frame base.
  • the rack is fixed to a gear on the transmission rod of the middle drive motor of the sliding frame, and meshes with the rack on the sliding frame to drive the rack.
  • the rack drive Through the rack drive, the failure rate of the entire transmission system is lower and the transmission is safer.
  • the laterally different positions of the sliding frame may fix at least two transmission racks; the fixed frame base is fixed with a transmission rod, and the transmission rod is provided with at least one main transmission node and at least two slaves a transmission node; the main transmission node is drivingly connected to the driving motor, and each of the slave transmission nodes is respectively drivingly connected to each of the transmission racks on the sliding frame.
  • the left and right sides of the sliding frame and the left and right sides of the fixed frame base are respectively connected by a pair of obliquely inclined helical racks.
  • the guide rail and the guide are rail and roller type slider assemblies, and at least three sets of guide rails and roller type slider assemblies are disposed at different positions in the lateral direction of the fixed frame base and the slide frame.
  • the sliding frame is an integrated frame structure.
  • the sliding frame and the fixed frame base are respectively provided with an extended position limit component and a retracted position limit component, and a limit stop, the limit stop limits the sliding The frame moves between the extended in position limit component and the retracted bit limit component.
  • the guiding device is movably connected with the fixed frame base, and can be vertically moved up and down, and the movable connecting portions of each movable connecting portion respectively correspond to a weighing sensor, and the output ends of the respective weighing sensors A weighing transmitter is connected, and the signals of the weighing sensors are superimposed by the weighing transmitter, and the output end of the weighing transmitter is connected to the driving controller of the platform safety pedal.
  • the guiding device is a roller type slider assembly; the guiding device is movably connected to the fixing frame base in such a manner that one end of the roller type slider assembly is fixed to the fixing frame base On the longitudinal beam, the other end is movably connected to the longitudinal beam, and can be vertically moved up and down within a limited range; the load cell is disposed above or below one end of the roller type slider assembly and the movable beam of the movable beam.
  • the roller type slider assembly is slightly moved by gravity to press the load cell.
  • the fixed frame base is provided with a load-bearing beam
  • the load-bearing beam is covered with a pedal
  • a sealing strip is included between the pedal and the fixed frame base.
  • a safety pedal is provided to protect the fixed frame base, the sliding frame and the pedal member, and the pedal member is fixed to the front end of the sliding frame; wherein the sliding frame is placed
  • the fixed frame base is slidably connected to the fixed frame base through the guide rail and the guiding device, and the sliding frame is guided by the guide rail and the guiding device to horizontally extend and retract the fixed frame base;
  • the driving frame is fixed on the fixed frame base, and the sliding frame upper edge is fixed
  • a rack is fixed in the direction of expansion and contraction of the sliding frame.
  • the rack is driven by the drive motor to push the slide frame out or retract to the fixed frame base.
  • the telescopic safety pedal can effectively solve the safety hazard caused by the gap between the platform and the train door, and does not hinder the train during driving. Moreover, the safety pedal can adjust the telescopic range as needed, and can meet the needs of environments with diverse gap widths of trains and platforms such as curved platforms and multi-vehicle platforms. Moreover, the rack transmission can effectively reduce the failure rate of the transmission system and ensure the stability and safety during its operation.
  • FIG. 1 is a schematic view of a safety pedal installed in a platform in a first embodiment of the present invention
  • Figure 2 is a schematic view of the safety pedal in an extended state in the first embodiment of the present invention
  • Figure 3 is a schematic view of the safety pedal in the retracted state in the first embodiment of the present invention.
  • Figure 4 is a structural diagram of a platform safety pedal in the first embodiment of the present invention.
  • Figure 5 is a structural view of a platform safety pedal in a second embodiment of the present invention.
  • the first embodiment relates to a rail transit platform safety pedal. It is used to fill the gap between the rail transit platform and the train door, to prevent the passenger from tripping over the gap when getting on or off the vehicle, or to get stuck in the gap due to the stepping.
  • the safety pedal is mounted on the edge of the platform as shown in Figure 1.
  • the safety pedal has two states of extension and retraction, as shown in FIG. 2 and FIG. 3 respectively.
  • the safety pedal When the train enters the station and the door is opened, the safety pedal is extended to ensure a seamless connection between the platform and the door; Safety step before the train starts The board is retracted to the platform.
  • the safety pedal is in a retracted state, ensuring a certain gap between the platform and the vehicle body to ensure safe driving of the train.
  • the safety pedal includes a fixed frame base 401, a sliding frame 402 and a pedal member 403.
  • the pedal member 403 is fixed to the front end of the sliding frame 402.
  • the sliding frame 402 is placed in the fixed frame base 401, and is slidably connected to the fixed frame base 401 through the guide rail and the guiding device.
  • the guiding frame and the guiding device guide the sliding frame 402 to horizontally extend and retract the fixed frame base 401 to extend and retract.
  • a driving motor 404 is fixed on the fixed frame base 401.
  • a rack 405 is fixed on the sliding frame 402 along the expansion and contraction direction of the sliding frame.
  • the rack 405 is driven by the driving motor 404 to push the sliding frame 402 to extend or retract the fixed frame base 401.
  • the sliding frame is an integrated frame structure, thereby ensuring the stability of the structure and preventing deformation during long-term use, and the pedal member 403 adopts a tooth-shaped anti-skid pedal to increase friction, in practical applications. Or a normal glossy pedal can also be used.
  • the guide rail and the guiding device are a guide rail and a roller type slider assembly, and in order to ensure that the sliding frame 402 of the safety pedal does not have a depression or deformation during the telescopic process, the frame base 401 and the sliding frame 402 are fixed.
  • Four sets of guide rails and roller type slider assemblies are respectively arranged in different lateral positions.
  • the fixed frame base 403 includes three longitudinal beams 406a, 406b, and 406c respectively located at the left and right sides of the fixed frame base 403 and in the middle.
  • roller type slider groups Two sets of roller type slider groups (two sets of roller type sliders each) are fixed on the three longitudinal beams 406a, 406b and 406c of the fixed frame base 401 to form two symmetrical left and right portions; the sliding frame 402 is divided into two parts. , comprising four longitudinal beams 407, four rails fixed on the four longitudinal beams 407, and four on the fixed frame base 401
  • the group of roller type slider groups corresponds.
  • the sliding frame 402 is slidably coupled to the roller type slider set on the fixed frame base 401 by a guide rail, and the guide frame and the roller type slider guide the sliding frame 402 to horizontally extend and retract the fixed frame base 401.
  • the pedal member 403 is fixed to the front end of the slide frame 402, and extends or retracts to the fixed frame base 401 as the slide frame 402 is telescopically moved.
  • the fixed frame base 401 is covered with a load bearing cover for the passenger to stand.
  • the pedal member 403 is a toothed anti-slip pedal
  • the front end of the fixed frame base 401 may also be fixed with a set of comb plates 408 for engaging with the toothed anti-skid pedals on the sliding frame.
  • the comb plate can be fixed to the front end of the load bearing cover.
  • a drive motor 404 is mounted on the fixed frame base 401, and a gear is fixed to the output shaft of the front end of the drive motor 404.
  • the middle portion of the sliding frame 402 is fixed with a rack 405 in the telescopic direction of the sliding frame, and meshes with the gear of the front end of the driving motor 404.
  • the driving motor 404 rotates, the gear on the output shaft is synchronously rotated to drive the rack 405 on the sliding frame. Movement occurs, pushing the slide frame 402 to extend or retract the fixed frame base 401.
  • the teeth of the rack 405 face downward and mesh with the gears at the front end of the driving motor 404, thereby preventing the rack from accumulating dust and garbage during long-term use, and affecting the normal operation of the rack.
  • the telescopic safety pedal can effectively solve the safety hazard caused by the gap between the platform and the train door, and does not hinder the train during driving. Moreover, the safety pedal can adjust the telescopic range as needed, and can meet the needs of environments with diverse gap widths of trains and platforms such as curved platforms and multi-vehicle platforms. Moreover, the rack transmission can effectively reduce the failure rate of the transmission system and ensure the stability and safety during its operation.
  • the left and right sides of the sliding frame 402 and the left and right sides of the fixed frame base 401 respectively pass through a group.
  • a centripetal helical rack 409 is fixed to the side surfaces of the left and right longitudinal beams 406a and 406c of the fixed frame base 401, and the teeth of the two radial helical racks 409 are inclined toward the center, and two directions are
  • the skew angle of the rhombic of the heart bevel is symmetrical (ie, in the inner eight or outer eight); the left and right sides of the sliding frame 402 are respectively fixed with a radial helical gear, and the teeth of the two radial helical gears are also inclined toward the center.
  • the angle of inclination is symmetrical, matching the centripetal helical rack of the corresponding position.
  • the fixed frame base 401 is provided with an extended position limit component and a retracted position limit component
  • the slide frame 402 is provided with a limit stop block, and the limit stop block is located at the extended position limit component and the retracted position limit component.
  • the limit slide frame 402 is moved between the extended position limit component and the retracted position limit component.
  • a set of proximity switches are respectively fixed on the fixed frame base 401 and the sliding frame 402, respectively, and are respectively disposed on the fixed frame base 401 at a position protruding from the position limiting component, and the upper limit of the sliding frame 402.
  • the position of the position block, the signal output of each proximity switch is connected to the controller.
  • the limit stop When the sliding frame 402 is extended into position, the limit stop is close to the extended position limit component, and the proximity switch disposed at the limit stop position detects that the sliding frame 402 protrudes into the position limit component to enter the range, and the setting is set.
  • the proximity switch at the position of the limit stop detects that the fixed frame base 401 protrudes into the range limit component, and sends an electrical signal to the controller respectively, and the controller determines that the pedal protrudes into position according to the received electrical signal.
  • the drive motor 404 can include a brake, and the drive motor 404 is coupled to the controller.
  • the brake brakes the drive motor in the non-operating state.
  • the drive motor 404 is unlocked. Therefore, the motor can be locked while the pedal has been telescoped in place and the motor is stopped, ensuring that the pedal does not move back and forth.
  • the brake can be locked in time by the brake, and the pedal can be controlled to stop the telescopic behavior, ensuring that the pedal is in a static state in the power-off state, and does not extend back and forth to ensure passenger safety.
  • the safety pedal in the embodiment may further include a weighing structure, as follows: the movable connection between the guiding device and the fixed frame base 401 can be up and down, and each movable connecting portion can be moved up and down. The areas correspond to a load cell, and the output of each load cell is connected to a weighing transmitter, and the signals of each load cell are superimposed by the weighing transmitter, and the output of the weighing transmitter is connected. Platform safety pedal drive controller.
  • the guiding device in this embodiment is a roller type slider assembly fixed to the side of the longitudinal beams 406a, 406b, 406 of the fixed frame base, wherein a row (four) relatively far from the pedal member 402
  • the roller type slider assembly is movably connected with the fixed frame base 401, and can be moved up and down.
  • the specific movable connection method is as follows: one end of the roller type slider assembly is fixed on the fixed frame base
  • the other end of the longitudinal beam is movably connected to the slotted hole of the longitudinal beam, and can be moved up and down within a limited range of the slotted hole.
  • the sliding frame at the end of the pedal member and the guide rail on the sliding frame are pressed down, and the other end of the guide rail (away from the pedal member) is also pressed down synchronously to drive the roller type slider.
  • the component is pressed down, and the force of the roller type slider assembly is much smaller due to the lever principle.
  • Four roller-type slider assemblies can be mounted with four high-precision load cells at the up and down positions, and four sensors are connected to the 4-in-1 out-of-weight transmitter.
  • the four load cells are respectively measured according to the received force and fed back to the weighing transmitter, and the weighing transmitters are used for the respective weighing sensors.
  • the signals are superimposed, and the superimposed current signals are transmitted to the MGF controller, and the weight value is obtained after passing through the analog A/D converter.
  • the load on the pedal member can be prevented from directly impacting the load cell, and the vertical downward force on the pedal member is converted to the lever (ie, the guide rail) at the other end by a lever principle, which is a very
  • the large direct impact force is converted into a small indirect impact force, which can protect the symmetric weight sensor well, and solve the problem of insufficient accuracy of a large number of load cells (cannot sense the gravity within 10kg).
  • the high-precision load cell has a relatively small range, and it is easy to damage if the force is directly stepped on. Therefore, while increasing the weighing accuracy of the weighing structure, the range of the weighing structure can be expanded to ensure the service life of the weighing structure.
  • the second embodiment also relates to a rail transit platform safety pedal, which is substantially the same as the first embodiment, except that in the first embodiment, the drive motor drives only one rack through which the slide frame is pushed out. Or retracting the fixed frame base; in this embodiment, as shown in FIG. 5, three transmission racks 501 are fixed at different lateral positions of the sliding frame 402; a fixed rod 502 is fixed on the fixed frame base 401, and the transmission rod 502 is fixed.
  • a main drive node 503 and three slave drive nodes 504 are provided; the main drive node 503 is drivingly coupled to the drive motor 404 via a set of gears (on the main drive node 503) A transmission gear is fixed, a transmission gear is fixed on the output shaft of the front end of the driving motor 404, the two gears are meshed and driven, and a transmission gear is fixed on each of the transmission nodes 504, and each transmission rack 501 on the sliding frame is fixed. Engaged to make a drive connection.
  • the gears on the main transmission node 503 are synchronously rotated, thereby driving the transmission rod 502 to rotate synchronously, and then driving the three synchronous transmission nodes 504 to rotate synchronously, and finally driving the three slave transmission nodes 504.
  • the gear and the three transmission racks 501 on the sliding frame are driven to push the sliding frame to extend or retract the fixed frame base.
  • Example 1 A rail transit platform safety pedal that includes:
  • a fixed frame base a sliding frame and a pedal member, the pedal member being fixed to the front end of the sliding frame;
  • the sliding frame is placed in the fixed frame base, and is slidably connected to the fixed frame base by a guide rail and a guiding device, and the sliding frame is guided by the guiding rail and the guiding device to horizontally extend and retract the fixed frame base ;
  • a driving motor is fixed on the fixed frame base, and a rack is fixed on the sliding frame in a telescopic direction of the sliding frame, and the rack is driven by the driving motor to push the sliding frame to extend or retract the Fixed frame base.
  • Example 2 The rail transit platform safety pedal according to example 1, wherein the rack is located in a middle portion of the sliding frame; a gear is fixed on a transmission rod of the driving motor, and a rack on the sliding frame Engaging, driving the rack.
  • Example 3 The rail transit platform safety pedal according to the example 1 or 2, wherein at least two transmission racks are fixed at different lateral positions of the sliding frame; a transmission rod is fixed to the fixed frame base, and the transmission The pole is provided with at least one main transmission node and at least two slave transmission nodes; the main transmission node is drivingly connected with the driving motor, and each of the slave transmission nodes is respectively connected with each transmission rack on the sliding frame .
  • Example 4 The rail transit platform safety pedal according to the example 1 or 2, wherein the left and right sides of the sliding frame and the left and right sides of the fixed frame base are respectively driven and connected by a set of rack and pinion.
  • Example 5 The rail transit platform safety pedal according to claim 4, wherein the left and right sides of the sliding frame and the left and right sides of the fixed frame base are respectively connected by a set of obliquely inclined helical racks .
  • Example 6 A rail transit platform safety pedal according to any one of claims 1 to 5, wherein the rail and guide are rail and roller type slider assemblies at the fixed frame base and the sliding frame Set up at least three sets of rails and roller type slider assemblies in different lateral positions.
  • Example 7 The rail transit platform safety pedal according to any one of claims 1 to 6, wherein the sliding frame and the fixed frame base are respectively provided with an extended position limit component and a retracted position limit component. And a limit stop that limits movement of the sliding frame between the extended position limit component and the retracted position limit component.
  • Example 8 The rail transit platform safety pedal according to any one of claims 1 to 7, wherein the guiding device is movably connected with the fixed frame base, and can be moved up and down, and each movable connecting portion can be up and down
  • the moving regions respectively correspond to a weighing sensor, and the output ends of the respective weighing sensors are connected to a weighing transmitter, and the signals of the weighing sensors are superimposed by the weighing transmitter, and the weighing transmission is performed.
  • the output of the device is connected to the drive controller of the platform safety pedal.
  • Example 9 The rail transit platform safety pedal according to claim 8, wherein the guiding device is a roller type slider assembly; the manner of the movable connection between the guiding device and the fixed frame base is: the roller The slider assembly is fixed at one end to the longitudinal beam of the fixed frame base, and the other end is movably connected to the longitudinal beam, and can be up and down slightly within a limited range; the load cell is disposed on the roller type slider assembly Above or below one end of the movable connection with the longitudinal beam, the roller type slider assembly is slightly moved by gravity to press the load cell.
  • the guiding device is a roller type slider assembly
  • the manner of the movable connection between the guiding device and the fixed frame base is: the roller The slider assembly is fixed at one end to the longitudinal beam of the fixed frame base, and the other end is movably connected to the longitudinal beam, and can be up and down slightly within a limited range; the load cell is disposed on the roller type slider assembly Above or below one end of the movable connection with the longitudinal beam, the roller type slider assembly is slightly
  • Example 10 The rail transit platform safety pedal according to any one of claims 1 to 9, wherein the fixed frame base is provided with a load-bearing beam, the load-bearing beam is covered with a pedal, the pedal and the fixed A sealing strip is included between the frame bases.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

公开了一种轨道交通站台安全踏板，包含固定框架底座(401)、滑动框(402)和踏板件(403)，踏板件(403)固定于滑动框的前端；其中，滑动框(402)置于固定框架底座(401)内，与固定框架底座滑动连接，由导轨和导向装置引导滑动框水平伸出和缩回固定框架底座(401)；固定框架底座(401)上固定有驱动电机(404)，滑动框(402)上固定有齿条(405)，齿条(405)受驱动电机的驱动，推动滑动框(402)伸出或缩回固定框架底座(401)。该安全踏板可有效解决站台与列车车门间的间隙给乘客带来的安全隐患，同时不会对行驶过程中的列车造成妨碍。且该安全踏板可以调整伸缩幅度，满足弧形站台以及多车型站台等间隙宽度多样化环境的需求。另外，齿条传动方式可以有效降低传动系统的故障率，保证踏板运行过程中的稳定性和安全性。

Description

一种轨道交通站台安全踏板 技术领域
本专利申请涉及轨道交通领域，尤其涉及轨道交通安全保障技术。
背景技术
轨道交通建设过程中，为了保证列车的安全行驶，站台与列车车体之间往往会留有一定的间隙，由此给乘客带来一定的安全隐患。乘客上下车过程中容易被间隙绊倒、或者因踏空而把脚卡到间隙里。为了解决这一问题，现有部分轨交线路，在站台边缘安装固定的橡皮踏板，以减小站台与列车车体之间的间隙，同时，在列车行驶过程中，即便与踏板产生摩擦，也不容易损坏车体。
然而现有技术有如下不足：
首先，站台与车体之间的间隙虽然减小，但仍然存在，依然存在安全隐患，对于残疾人、婴幼儿、以及穿高跟鞋的女性而言，这个问题尤为突出。
其次，列车行驶过程中，车体与踏板之间容易产生摩擦和撞击，长期累积，容易对列车造成损坏。并且，站台踏板的损坏率相对较高，后期维护成本较高。
发明内容
本发明部分实施例主要解决的技术问题是提供一种轨道交通站台安全踏板，可以有效解决轨交站台与列车车门之间存在的间隙给乘客带来的安全隐患，并且不会对行驶过程中的列车造成妨碍。
为了解决上述技术问题，本发明部分实施例提供了一种轨道交通站台安全踏板，包含：固定框架底座、滑动框和踏板件，踏板件固定于滑动框的前端；
其中，滑动框置于固定框架底座内，通过导轨和导向装置与固定框架底座滑动连接，由导轨和导向装置引导滑动框水平伸出和缩回所述固定框架底座；
固定框架底座上固定有驱动电机，滑动框上沿滑动框伸缩方向固定有齿条，齿条受所述驱动电机的驱动，推动滑动框伸出或缩回固定框架底座。
在一个实施例中，上述齿条位于滑动框的中驱动电机的传动杆上固定一齿轮，与所述滑动框上的齿条相啮合，驱动该齿条。通过齿条传动，使得整个传动系统的故障率更低，传动更安全。
在一个实施例中，上述滑动框的横向不同位置可以固定至少两根传动齿条；所述固定框架底座上固定有一传动杆，所述传动杆上设置有至少一个主传动节点和至少两个从传动节点；所述主传动节点与所述驱动电机传动连接，各所述从传动节点分别与所述滑动框上的各传动齿条传动连接。
在一个实施例中，所述滑动框的左右两侧与所述固定框架底座的左右两侧分别通过一组向中心倾斜的斜齿轮齿条传动连接。
在一个实施例中，所述导轨和导向装置为导轨和滚轮型滑块组件，在所述固定框架底座和所述滑动框的横向不同位置，设置至少三组导轨和滚轮型滑块组件。
在一个实施例中，所述滑动框为一体化框架结构。
在一个实施例中，所述滑动框和所述固定框架底座上，分别设置伸出到位限位组件和缩回到位限位组件，以及限位挡块，所述限位挡块限制所述滑动框在所述伸出到位限位组件和缩回到位限位组件之间移动。
在一个实施例中，所述导向装置与所述固定框架底座之间活动连接，可上下微动，各活动连接部分可上下微动的区域分别对应一称重传感器，各称重传感器的输出端接入一称重变送器，由所述称重变送器对各称重传感器的信号进行叠加，所述称重变送器的输出端连接所述站台安全踏板的驱动控制器。
在一个实施例中，所述导向装置为滚轮型滑块组件；所述导向装置与所述固定框架底座之间活动连接的方式为：所述滚轮型滑块组件一端固定在所述固定框架底座的纵向梁上，另一端与所述纵向梁活动连接，在有限范围内可上下微动；所述称重传感器设置在所述滚轮型滑块组件与纵向梁活动连接的一端的上方或者下方，所述滚轮型滑块组件受重力后产生微动，压迫所述称重传感器。
在一个实施例中，所述固定框架底座上设置有承重梁，所述承重梁上覆盖有踏板，所述踏板与所述固定框架底座之间包含密封条。
本发明部分实施例与现有技术相比，主要区别及其效果在于：设置一安全踏板，保护固定框架底座、滑动框和踏板件，踏板件固定于滑动框的前端；其中，滑动框置于固定框架底座内，通过导轨和导向装置与固定框架底座滑动连接，由导轨和导向装置引导滑动框水平伸出和缩回所述固定框架底座；固定框架底座上固定有驱动电机，滑动框上沿滑动框伸缩方向固定有齿条， 齿条受驱动电机的驱动，推动滑动框伸出或缩回固定框架底座。通过该伸缩式安全踏板，可以有效解决站台与列车车门之间存在的间隙给乘客带来的安全隐患，且不会对行驶过程中的列车造成妨碍。且该安全踏板可根据需要调整伸缩幅度，可以满足弧形站台以及多车型站台等列车与站台间隙宽度多样化的环境的需求。并且，通过齿条传动的方式可以有效降低传动系统的故障率，保证其运营过程中的稳定性和安全性。
附图说明
图1是本发明第一实施例中安装在站台的安全踏板示意图；
图2是本发明第一实施例中伸出状态下的安全踏板示意图；
图3是本发明第一实施例中缩回状态下的安全踏板示意图；
图4是本发明第一实施例中站台安全踏板结构图；
图5是本发明第二实施例中站台安全踏板结构图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明部分实施例作进一步地详细描述。
第一实施例涉及一种轨道交通站台安全踏板。用于填补轨道交通站台与列车车门之间的间隙，防止乘客在上下车时被间隙绊倒、或者因踏空而脚卡到间隙里。该安全踏板安装在站台的边缘，如图1所示。该安全踏板有伸出和缩回两种状态，分别如图2和图3所示，在列车进站，车门打开时，安全踏板处于伸出状态，确保站台与车门之间无缝连接；在列车启动前，安全踏 板缩回站台，在列车运行过程中，安全踏板处于缩回状态，确保站台与车体之间保持一定的间隙，保障列车的安全行驶。
下面对安全踏板的具体结构进行介绍，如图4所示，该安全踏板包括固定框架底座401、滑动框402和踏板件403。其中，踏板件403固定于滑动框402的前端。滑动框402置于固定框架底座401内，通过导轨和导向装置与固定框架底座401滑动连接，由导轨和导向装置引导滑动框402水平伸出和缩回固定框架底座401伸出和缩回状态如图2和图3所示。
固定框架底座401上固定有驱动电机404，滑动框402上沿滑动框伸缩方向固定有齿条405，齿条405受驱动电机404的驱动，推动滑动框402伸出或缩回固定框架底座401。本实施方式中，滑动框为一体化框架结构，从而保证其结构的稳固、防止在长时间使用过程中发生形变，踏板件403采用的是齿形防滑踏板，以增加摩擦力，在实际应用中，也可以采用普通的光面踏板。
在本实施例中，上述的导轨和导向装置为导轨和滚轮型滑块组件，为了确保安全踏板的滑动框402在伸缩过程中不会产生凹陷、形变，在固定框架底座401和滑动框402的横向不同位置，分别设置了四组导轨和滚轮型滑块组件。具体地说，所述固定框架底座403上包含三根纵向梁406a、406b和406c，分别位于固定框架底座403的左右两侧、以及中间。在固定框架底座401的三根纵向梁406a、406b和406c上固定了四组滚轮型滑块组(每组两个滚轮型滑块)，形成对称的左右两部分；滑动框402分为左右两部分，包含四根纵向梁407，四根纵向梁407上固定四根导轨，与固定框架底座401上的四 组滚轮型滑块组相对应。滑动框402通过导轨与固定框架底座401上的滚轮型滑块组插入式滑动连接，由导轨和滚轮型滑块引导滑动框402水平伸出和缩回固定框架底座401。踏板件403固定在滑动框402的前端，随着滑动框402的伸缩运动，伸出或缩回固定框架底座401。
固定框架底座401上方覆有承重盖板，供乘客站立。在踏板件403为齿形防滑踏板的情况下，固定框架底座401前端还可以固定有一组梳齿板408，与滑动框上的齿形防滑踏板相啮合。在齿形防滑踏板缩回固定框架底座401的过程中，通过梳齿板自动扫除齿形防滑踏板上的垃圾。在具体实施时，梳齿板可以固定在承重盖板的前端。
在固定框架底座401上，安装有驱动电机404，驱动电机404前端的输出轴上固定一齿轮。滑动框402中间部位沿滑动框伸缩方向固定有齿条405，与驱动电机404前端的齿轮相啮合，驱动电机404转动时，带动输出轴上的齿轮同步转动，进而驱动滑动框上的齿条405发生移动，推动滑动框402伸出或缩回固定框架底座401。其中，齿条405的齿面向下，与驱动电机404前端的齿轮相啮合，从而可以防止齿条在长时间使用过程中堆积灰尘、垃圾，影响齿条的正常工作。
通过该伸缩式安全踏板，可以有效解决站台与列车车门之间存在的间隙给乘客带来的安全隐患，且不会对行驶过程中的列车造成妨碍。且该安全踏板可根据需要调整伸缩幅度，可以满足弧形站台以及多车型站台等列车与站台间隙宽度多样化的环境的需求。并且，通过齿条传动的方式可以有效降低传动系统的故障率，保证其运营过程中的稳定性和安全性。
在另一个实施例中，为了防止滑动框在伸出和缩回固定框架底座的过程中发生横向位移或产生形变，滑动框402的左右两侧与固定框架底座401的左右两侧分别通过一组向中心倾斜的斜齿轮齿条传动连接。具体地说，在固定框架底座401的左右两条纵向梁406a、406c的侧面，分别固定一向心斜齿条409，两条向心斜齿条409的齿纹均向中心倾斜，且两条向心斜齿条的齿纹倾斜角度相对称(即呈内八或外八形态)；在滑动框402的左右两侧分别固定一向心斜齿轮，两个向心斜齿轮的齿纹同样向中心倾斜，且倾斜角度相对称，与相应位置的向心斜齿条相匹配。通过这两组向中心倾斜的斜齿轮齿条，在滑动框402伸出或缩回固定框架底座401的过程中，均能够受到一组方向相反、大小相同的横向拉力，从而可以有效防止滑动框在伸出和缩回固定框架底座的过程中发生横向位移，从而防止其产生形变。需要说明的是，将普通的正齿轮齿条代替上述向心斜齿轮齿条同样能够起到一定的防止横向位移的效果。
固定框架底座401上设置有伸出到位限位组件和缩回到位限位组件，滑动框402上设置有限位挡块，该限位挡块位于伸出到位限位组件和缩回到位限位组件的中间，限制滑动框402在伸出到位限位组件和缩回到位限位组件之间移动。从而从物理上限制踏板的伸缩位置，确保踏板在规定范围内伸缩。通过调整伸出到位限位组件的前后位置，以及驱动电机转动的设置，可以改变踏板件伸出的长度，从而可以满足弧形站台以及多车型站台等列车与站台间隙宽度多样化的环境的需求。
在固定框架底座401和滑动框402上还分别固定有一组接近开关，分别设置在固定框架底座401上伸出到位限位组件的位置，以及滑动框402上限 位挡块的位置，各接近开关的信号输出端与控制器相连。在滑动框402伸出到位时，其限位挡块与伸出到位限位组件接近，设置于限位挡块位置的接近开关检测到滑动框402上伸出到位限位组件进入量程范围，设置于限位挡块位置的接近开关检测到固定框架底座401上伸出到位限位组件进入量程范围，分别向控制器发出电信号，控制器根据所收到的电信号，确定踏板伸出到位。
在另一个实施例中，驱动电机404可以包含一制动器，驱动电机404与控制器连接，制动器对非运转状态下的驱动电机进行制动控制，在从控制器收到电机启动的命令时，对驱动电机404解锁。从而在踏板已经伸缩到位，电机停止运转的状态下，能够锁定电机，确保踏板不会前后移动。或者，在突发停电状态下，能够通过制动器及时锁定电机，控制踏板停止伸缩行为，保证踏板在停电状态下处于静止状态，不会前后伸缩，以保障乘客安全。
在另一个实施例中，本实施方式中上述安全踏板还可以包含称重结构，具体如下：将导向装置与固定框架底座401之间活动连接，可上下微动，各活动连接部分可上下微动的区域分别对应一称重传感器，各称重传感器的输出端接入一称重变送器，由称重变送器对各称重传感器的信号进行叠加，称重变送器的输出端连接站台安全踏板驱动控制器。
具体地说，本实施例中的导向装置为滚轮型滑块组件，固定于固定框架底座的纵向梁406a、406b、406的侧面，其中，距离踏板件402相对较远的一排(四个)滚轮型滑块组件与固定框架底座401之间活动连接，可上下微动。具体的活动连接的方式为：滚轮型滑块组件一端固定在固定框架底座的 纵向梁上，另一端与该纵向梁的槽型孔活动连接，在槽型孔的有限范围内可上下微动。在踏板件402上存在重物或者有人站立时，将踏板件所在一端的滑动框以及滑动框上的导轨下压，导轨(远离踏板件的)另一端也会同步下压，带动滚轮型滑块组件下压，由于杠杆原理，滚轮型滑块组件所受到的力会小很多。4个滚轮型滑块组件可上下微动的位置分别安装4个高精度的称重传感器，4个传感器分别接入4入1出的称重变送器。在4个滚轮型滑块组件受到向下的压力时，4个称重传感器分别根据所受到的力进行测重，并反馈到称重变送器，由称重变送器对各称重传感器的信号进行叠加，将叠加后的电流信号传输到MGF控制器，经过模拟量A/D转换器后得到重量值。
通过该称重结构，可以避免踏板件上的负荷直接冲击称重传感器，通过杠杆原理，将踏板件上垂直向下的力以一定的比例关系折算到杠杆(即导轨)另外一端，将一个很大的直接冲击力量转换成了一个较小的间接冲击力量，从而可以对称重传感器起到很好的保护作用，并且解决了大量程称重传感器的精度不够(无法感应到10kg以内的重力)，而精度高的称重传感器的量程相对较小，直接踩踏受力过大容易损坏的问题。从而可以在提高称重结构称重精度的同时，扩大称重结构的量程范围，保障称重结构的使用寿命。
第二实施例同样涉及一种轨道交通站台安全踏板，与第一实施例大致相同，其区别在于，第一实施例中，驱动电机仅驱动一根齿条，通过该齿条推动滑动框伸出或缩回固定框架底座；而本实施例中，如图5所示，在滑动框402的横向不同位置固定有三根传动齿条501；固定框架底座401上固定有一传动杆502，传动杆502上设置有一个主传动节点503和三个从传动节点504；主传动节点503通过一组齿轮与驱动电机404传动连接(主传动节点503上 固定一传动齿轮，在驱动电机404前端的输出轴上固定一传动齿轮，两齿轮相啮合，进行传动)，各从传动节点504上分别固定一传动齿轮，与滑动框上的各传动齿条501相啮合，进行传动连接。
通过上述结构，驱动电机404转动时，带动主传动节点503上的齿轮同步转动，进而带动传动杆502同步转动，继而带动三个从传动节点504同步转动，最终驱动三个从传动节点504上的齿轮与滑动框上三根传动齿条501进行传动，推动滑动框伸出或缩回固定框架底座。
通过同轴三点(也可以更多)同步控制安全踏板的伸缩，可以确保安全踏板的滑动框在伸缩过程中能够多点受力，从而保证滑动框在横向不同位置上受力均匀，进而在长时间的运行过程中不容易发生形变，延长其使用寿命，保证其运营过程中的稳定性和安全性。
本发明部分实施例提供了如下例子。
例子1.一种轨道交通站台安全踏板，包含：
固定框架底座、滑动框和踏板件，踏板件固定于滑动框的前端；
所述滑动框置于所述固定框架底座内，通过导轨和导向装置与所述固定框架底座滑动连接，由所述导轨和导向装置引导所述滑动框水平伸出和缩回所述固定框架底座；
所述固定框架底座上固定有驱动电机，所述滑动框上沿滑动框伸缩方向固定有齿条，所述齿条受所述驱动电机的驱动，推动所述滑动框伸出或缩回所述固定框架底座。
例子2.根据例子1所述的轨道交通站台安全踏板，其中，所述齿条位于所述滑动框的中部；所述驱动电机的传动杆上固定一齿轮，与所述滑动框上的齿条相啮合，驱动所述齿条。
例子3.根据例子1或2所述的轨道交通站台安全踏板，其中，所述滑动框的横向不同位置固定有至少两根传动齿条；所述固定框架底座上固定有一传动杆，所述传动杆上设置有至少一个主传动节点和至少两个从传动节点；所述主传动节点与所述驱动电机传动连接，各所述从传动节点分别与所述滑动框上的各传动齿条传动连接。
例子4.根据例子1或2所述的轨道交通站台安全踏板，其中，所述滑动框的左右两侧与所述固定框架底座的左右两侧分别通过一组齿轮齿条传动连接。
例子5.根据权利要求4所述的轨道交通站台安全踏板，其中，所述滑动框的左右两侧与所述固定框架底座的左右两侧分别通过一组向中心倾斜的斜齿轮齿条传动连接。
例子6.根据权利要求1到5任一项所述的轨道交通站台安全踏板，其中，所述导轨和导向装置为导轨和滚轮型滑块组件，在所述固定框架底座和所述滑动框的横向不同位置，设置至少三组导轨和滚轮型滑块组件。
例子7.根据权利要求1到6任一项所述的轨道交通站台安全踏板，其中，所述滑动框和所述固定框架底座上，分别设置伸出到位限位组件和缩回到位限位组件，以及限位挡块，所述限位挡块限制所述滑动框在所述伸出到位限位组件和缩回到位限位组件之间移动。
例子8.根据权利要求1到7任一项所述的轨道交通站台安全踏板，其中，所述导向装置与所述固定框架底座之间活动连接，可上下微动，各活动连接部分可上下微动的区域分别对应一称重传感器，各称重传感器的输出端接入一称重变送器，由所述称重变送器对各称重传感器的信号进行叠加，所述称重变送器的输出端连接所述站台安全踏板的驱动控制器。
例子9.根据权利要求8所述的轨道交通站台安全踏板，其中，所述导向装置为滚轮型滑块组件；所述导向装置与所述固定框架底座之间活动连接的方式为：所述滚轮型滑块组件一端固定在所述固定框架底座的纵向梁上，另一端与所述纵向梁活动连接，在有限范围内可上下微动；所述称重传感器设置在所述滚轮型滑块组件与纵向梁活动连接的一端的上方或者下方，所述滚轮型滑块组件受重力后产生微动，压迫所述称重传感器。
例子10.根据权利要求1到9任一项所述的轨道交通站台安全踏板，其中，所述固定框架底座上设置有承重梁，所述承重梁上覆盖有踏板，所述踏板与所述固定框架底座之间包含密封条。
虽然通过参照本发明的某些优选实施例，已经对本发明的部分实施例进行了图示和描述，但本领域的普通技术人员应该明白，可以在形式上和细节上对其作各种改变，而不偏离本发明的精神和范围。

Claims (10)

  1. 一种轨道交通站台安全踏板，包含：
    固定框架底座、滑动框和踏板件，踏板件固定于滑动框的前端；
    所述滑动框置于所述固定框架底座内，通过导轨和导向装置与所述固定框架底座滑动连接，由所述导轨和导向装置引导所述滑动框水平伸出和缩回所述固定框架底座；
    所述固定框架底座上固定有驱动电机，所述滑动框上沿滑动框伸缩方向固定有齿条，所述齿条受所述驱动电机的驱动，推动所述滑动框伸出或缩回所述固定框架底座。
  2. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述齿条位于所述滑动框的中部；所述驱动电机的传动杆上固定一齿轮，与所述滑动框上的齿条相啮合，驱动所述齿条。
  3. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述滑动框的横向不同位置固定有至少两根传动齿条；所述固定框架底座上固定有一传动杆，所述传动杆上设置有至少一个主传动节点和至少两个从传动节点；所述主传动节点与所述驱动电机传动连接，各所述从传动节点分别与所述滑动框上的各传动齿条传动连接。
  4. 根据权利要求1或2所述的轨道交通站台安全踏板，其中，所述滑动框的左右两侧与所述固定框架底座的左右两侧分别通过一组齿轮齿条传动连接。
  5. 根据权利要求4所述的轨道交通站台安全踏板，其中，所述滑动框的 左右两侧与所述固定框架底座的左右两侧分别通过一组向中心倾斜的斜齿轮齿条传动连接。
  6. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述导轨和导向装置为导轨和滚轮型滑块组件，在所述固定框架底座和所述滑动框的横向不同位置，设置至少三组导轨和滚轮型滑块组件。
  7. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述滑动框和所述固定框架底座上，分别设置伸出到位限位组件和缩回到位限位组件，以及限位挡块，所述限位挡块限制所述滑动框在所述伸出到位限位组件和缩回到位限位组件之间移动。
  8. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述导向装置与所述固定框架底座之间活动连接，可上下微动，各活动连接部分可上下微动的区域分别对应一称重传感器，各称重传感器的输出端接入一称重变送器，由所述称重变送器对各称重传感器的信号进行叠加，所述称重变送器的输出端连接所述站台安全踏板的驱动控制器。
  9. 根据权利要求8所述的轨道交通站台安全踏板，其中，所述导向装置为滚轮型滑块组件；所述导向装置与所述固定框架底座之间活动连接的方式为：所述滚轮型滑块组件一端固定在所述固定框架底座的纵向梁上，另一端与所述纵向梁活动连接，在有限范围内可上下微动；所述称重传感器设置在所述滚轮型滑块组件与纵向梁活动连接的一端的上方或者下方，所述滚轮型滑块组件受重力后产生微动，压迫所述称重传感器。
  10. 根据权利要求1所述的轨道交通站台安全踏板，其中，所述固定框 架底座上设置有承重梁，所述承重梁上覆盖有踏板，所述踏板与所述固定框架底座之间包含密封条。
PCT/CN2016/088110 2015-07-01 2016-07-01 一种轨道交通站台安全踏板 WO2017000911A1 (zh)

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