WO2015154669A1 - 一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置 - Google Patents

一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置 Download PDF

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WO2015154669A1
WO2015154669A1 PCT/CN2015/076061 CN2015076061W WO2015154669A1 WO 2015154669 A1 WO2015154669 A1 WO 2015154669A1 CN 2015076061 W CN2015076061 W CN 2015076061W WO 2015154669 A1 WO2015154669 A1 WO 2015154669A1
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Prior art keywords
door
sliding
slider
plug
movement
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PCT/CN2015/076061
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English (en)
French (fr)
Inventor
马履中
杨启志
陈修祥
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Jiangsu University
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Jiangsu University
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Priority to US15/127,291 priority Critical patent/US9796397B2/en
Publication of WO2015154669A1 publication Critical patent/WO2015154669A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
    • B61D19/005—Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00—Door arrangements specially adapted for rail vehicles
    • B61D19/003—Door arrangements specially adapted for rail vehicles characterised by the movements of the door
    • B61D19/009—Door arrangements specially adapted for rail vehicles characterised by the movements of the door both sliding and plugging, (e.g. for refrigerator cars)
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0604—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane allowing an additional movement
    • E05D15/0608—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane allowing an additional movement caused by track lay-out
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/10—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane
    • E05D15/1042—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving carriage
    • E05D15/1044—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane movable out of one plane into a second parallel plane with transversely moving carriage specially adapted for use in railway-cars or mass transit vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles

Definitions

  • the invention relates to a sliding mechanism of a sliding door sliding device based on a virtual linear moving guide, belonging to the technical field of the sliding door.
  • the sliding door is widely used in the compartment door of various transportation devices such as train train doors, cabin hatches, aircraft doors, subway doors and automobile doors.
  • the car door can be divided into a variety of door parts such as steam, hydraulic and electric.
  • the movement form of the door can be divided into a sliding door, a split door and a rotating door.
  • the current form is mainly in the form of a sliding door. Due to the small space of the compartment body, the mechanism for arranging the transmission must complete the required movement in a limited space.
  • This type of door mainly needs to complete two movements, one is to move along the direction of the train, that is, the door opening and closing directions,
  • the form of motion is moving, and the distance of movement is slightly larger than the width of the door, about 800-900 mm.
  • the driving mechanism is a long-distance moving mechanism, such as a self-locking screw mechanism, a rack mechanism, and a flexible transmission (toothed belt transmission).
  • the driving force is mainly electric.
  • the transmission form is relatively easy to arrange and easy to implement.
  • the other is a translational movement perpendicular to the direction of travel of the train, ie a horizontal slaling motion.
  • the form of motion should also be mobile, with a small moving distance, generally slightly larger than the thickness of the door, about 75 mm.
  • the mechanism currently used is usually replaced by a short guide rail or by a swinging lever swing approximation. Its movement needs to follow the opening movement of the above door. Moreover, it is a short movement only when it reaches the position of the switch door. This part of the movement is difficult to arrange, and in order to reduce weight, reliability and reduce costs, its motion power does not want to use a separate drive motor. Therefore, it is often the key difficulty of the sliding door.
  • the present invention is a novel mechanism employed to improve the difficulty of conventional Serra movements.
  • the mechanism does not have a traditional short guide rail, and uses a small mechanism to realize the virtual guide rail movement, ensuring that the door plug is always moved horizontally in parallel when moving, and there is no movement up and down.
  • the virtual rail mechanism eliminates the short guide rails, has the disadvantage of having a small amount of up and down motion of the swing lever movement, and has no defects in the complicated device added to compensate for the defects caused by the up and down movement.
  • the whole mechanism is simple in structure, light in weight, accurate in motion, convenient in driving, light in weight, simple in control, low in cost and high in reliability.
  • the invention is the key technology of the sliding door movement and the core technology of the sliding door, and the difficulty of the sliding door movement. In order to solve the above technical problems, the technical solution of the present invention is achieved in this way.
  • the device comprises a cabin door, a carrying rod slider, the carrying rod slider is placed on the carrying rod, and is connected with the carrying rod to form a moving pair, wherein the compartment door and the carrying rod slider pass the Serra
  • the moving body mechanism is connected, and the plug moving body mechanism comprises a swinging rod, a connecting rod and a roller, and the upper end of the connecting rod and the compartment door are connected to the point B through the rotating pair, and the lower end is connected with the carrying rod slider through the moving pair
  • point D the upper end of the swinging rod and the carrying rod slider are connected to point A through the rotating pair, the lower end and the midpoint of the connecting rod are connected to point C through the rotating pair, and B, C, and D are on the same line. .
  • the length AC of the point A of the upper end of the swing lever to the midpoint C of the link is half of the length BD of the point B of the upper end of the link to the point D of the lower end of the link.
  • the car door upper door is fixed with the door upper pulley, and the door upper pulley is installed in the upper pulley track fixed to the vehicle body.
  • the lower end of the compartment door is fixed with a lower rail, and the lower rail is connected with a moving pair of the lower pulley of the door mounted on the vehicle body.
  • the carrying rod is engaged with the connecting nut slider, the carrying rod is fixed with a convex plate, and the nut sliding block is fixed with a concave plate, and the convex plate is engaged with the concave plate.
  • the nut slider is hollow and provided with a thread, and is screwed to the screw rod, and one end of the screw rod is connected to the motor.
  • the invention has the beneficial effects that the invention eliminates the short guide rail and replaces it with a virtual guide rail mechanism, thereby realizing the door without the short guide rail, compared with the existing sliding door short guide rail or swing rod technology.
  • the whole device is simple in structure, low in cost, light in weight, and reliable in motion.
  • the reference numerals are: 1. pendulum rod; 2. connecting rod; 3. roller; 4. car door; 5. carrying rod slider; 6. carrying rod; 7. screw; 8. nut slider; Pulley on the door; 10. Upper pulley guide; 11. Lower door pulley; 12. Letterpress; 13. Gravure.
  • a virtual linear moving guide sliding door sliding mechanism device which is a double with a virtual constraint
  • the linear guide five-bar mechanism was transformed.
  • the institution has zero degrees of freedom and cannot move.
  • the mechanism is movable when the length of each rod has a certain length.
  • the mechanism has a virtual constraint.
  • the degree of freedom of the institution should be calculated by canceling one component and one low pair.
  • the degree of freedom of the five-bar mechanism should be equal to the degree of freedom of the four-bar mechanism, and the mechanism can move.
  • the present invention resides in which a straight rail in which a two-linear guide rail five-bar mechanism is used as a virtual constraint cancels the linear guide (i.e., the low pair) and its associated slider (i.e., member), and retains the remaining four members.
  • a linear guide ie., the low pair
  • its attached slider ie., the member
  • the connection point connected to the slider can still be guaranteed.
  • the trajectory movement of the linear guide Although the linear guide has been eliminated, the original linear guide track can still be removed. We call it a virtual linear moving guide.
  • connection point of the virtual linear moving guide rail and the driving point of the sliding door are connected with the rotating pair, that is, the sliding door can be moved according to the trajectory of the required linear moving guide rail.
  • the sliding door can be moved according to the trajectory of the required linear moving guide rail.
  • the other of the original double rails is replaced by a high secondary form with local freedom in the form of a roller.
  • the force of the mechanism also changes.
  • different members of the mechanism can be used as the driving member, so that the door is lighter when it is used for the Serra movement. More flexible and more reliable.
  • the sliding motion of the door does not require a separate driving source
  • the power source is the movement of the screw mechanism that drives the opening and closing directions of the door (ie, the direction in which the train travels), and then forms a force and a reaction force through the curved guide of the door.
  • the ramp mechanism provided at the door frame is used to drive the original slider rail to the high-side motion pair with the roller form to pull the door back.
  • the present invention consists of a main body mechanism composed of an ACBD based on a virtual linear moving guide sliding door moving mechanism.
  • the ACBD main body is composed of an AC swing lever (1), a BD link (2), a roller (3), and a load-bearing polished rod slider (5).
  • One end of the AC swing rod is connected to the rotating rod slider (5) by the rotating pair A, the other end is connected with the connecting rod (2) by the rotating pair C;
  • the connecting rod (2) has three rotating pairs B, C and D, respectively It is connected with the compartment door (4), the swinging rod (1) and the roller (3); the roller (3) and the carrying rod slider (5) form a moving pair, and the moving direction is along the AD center line direction.
  • the trajectory AB is always perpendicular to the AD, and the rod length AC is required to be equal to BC equal to CD, and the value may be 75 mm.
  • Installation requires an angle of BAD of 90 degrees and BCD three points on a straight line. Due to the special length of the mechanism rod and the installation, if the AC rotates along the ⁇ in the mechanism, the B point can move along the AB perpendicular to the AD trajectory. If point D moves in the AD direction (ie, S direction), point B in AB can also move perpendicular to the AD track along AB. If point B moves in the AB direction, the motion trajectory of point B can always ensure that AB is linearly trajectory perpendicular to the AD direction.
  • the device is supplemented by a car door (4), a light bar slider (5), a light bar (6), and a large stroke screw with a reverse stroke (ie, a large lead).
  • the virtual linear moving guide plug-in sliding mechanism is an ACBD mechanism, and the point B of the mechanism member (2) is connected with the sliding door B (4), and the upper end of the door has a pulley on the door (9).
  • the pulley (9) is mounted in the upper pulley rail (10), and the upper pulley rail (10) is fixedly mounted on the vehicle body.
  • the lower rail of the lower end of the door is mounted on the door and integrated with the door.
  • the lower rail is equipped with a lower pulley (11), and the lower pulley (11) can be moved along the lower rail and can be as shown in the drawing. It is allowed to swing in the U direction when the car door is in the Serra movement.
  • the above-mentioned entire sliding door sliding mechanism is mounted on the carrying rod slider (5) and moves together with the carrying rod slider (5).
  • the compartment door (4) is supported by the B point, the upper door pulley (9) and the lower door pulley (11).
  • the controller controls the motor drive
  • the screw (7) is driven to rotate, and the nut slider (8) is pushed along the direction of the train, that is, the door is opened and closed, and the carrying rod slider (5) is moved, and then the door is removed. It can be moved together with the carrying rod slider (5), and when the door is opened or closed, the component of the reaction force in the V direction of the pulley (9) on the door by the curved rail portion of the upper pulley rail (10)
  • the car door (4) is moved along the virtual straight line along the rotation of the sub-point B to the direction of the forward movement of the train, that is, the plug in the V direction is closed as shown in the drawing. Pull the movement.
  • the connecting rod slider (5) and the nut slider (8) are connected by a connecting pair F, which is shown in the figure P in the drawing, and has no constraint on the upper and lower sides, and can prevent the slider with the carrying rod (5)
  • the entire connected component, including the weight of the door, is transferred to the screw (7).
  • the motor driven screw (7) can be rotated, and the force of the nut slider (8) to move along the forward direction of the train can be transmitted to the carrying rod slider (5), and the compartment door (4) can be completed along the train. Movement in the forward or backward direction.
  • the steering and rotation time of the motor drive is controlled by the controller.
  • any of the three moving members of the plug motion mechanism ACBD ie, the swing lever (1), the connecting rod (2), and the roller (3)
  • the driving member can be used as the driving member to complete the plug. Pull the movement.
  • This sporting feature provides diversity and convenience for the driving of the Serra movement.
  • the V-direction force is applied by the reaction force of the reaction force of the upper rail to bend the rail portion, and the V-to-slave motion is completed, that is, the B point on the link 2 is driven by the reaction force, and the link 2 is used as the driving member. , complete an example of the Serra movement.
  • the drive transmission route is: if the door needs to be closed, the motor is driven by the controller to control the motor steering and the motor running time, and the screw (7) is driven to rotate, and the nut slider (8) is moved along the forward direction of the train to drive the light rod slider. (5) moving along the carrying rod, driving the overall movement of the plug moving mechanism ACBD, driving the pulley (9) on the door to move along the straight section of the upper pulley rail (10), and closing the door in the forward (or reverse) direction of the train (or Open the door) sports.
  • the upper pulley (10) When the compartment door (4) moves to the vicinity of the closed door end position, the upper pulley (10) is applied to the upper pulley (9) because the upper pulley (9) enters the curved section of the upper pulley guide (10) (9)
  • the reaction force V acts on the component force to make the car door (4) point B Complete the door closing movement in the V direction. Due to the characteristics of the mechanism itself, the invention can always ensure that the B point is perpendicular to the AD direction along the BA, and the virtual linear guide moves.
  • the above is the closing process, first along the direction of the train, that is, the pulley (9) on the door moves in a straight section of the upper pulley guide (10).
  • the pulley (9) on the door When the door is closed, the pulley (9) on the door enters the curved section of the upper pulley guide (10) to complete the V-to-door closing movement.
  • the curved section rail is first opened to open the door, and then the straight section rail is opened to move the door.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)

Abstract

一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置，其主体机构为机构ACBD，由一个带虚约束的双直线导轨机构转化而来，其杆长AC等于BC等于CD，连杆BCD为三个转动副，并位于一直线,角BAD为90度，摆杆（1）与承载光杆滑块（5）以转动副A相连，滚子（3）可沿AD方向移动，连杆（2）上B点与车厢厢门（4）以转动副相连并能始终作垂直于AD的塞拉运动，厢门（4）上下有滑轮（9，11）可沿导轨（10）移动，机构ACBD与厢门（4）一起整体与承载光杆滑块（5）以运动副A及D相连，一起移动，承载光杆滑块（5）与螺母滑块（8）相连，通过丝杆（7）的运动，可实现厢门（4）的开门及关门移动，又可避免厢门载荷转移到丝杆（7）上；与现有技术相比，该机构取消了短导轨，但又能沿假想的短导轨作精确直线塞拉移动，结构简单、运动轻巧、控制方便、成本低、可靠性高。

Description

一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置 技术领域
本发明涉及一种基于虚拟直线移动导轨塞拉门塞拉运动机构,属于塞拉门技术领域。
背景技术
塞拉门广泛用于火车列车车门、船舱舱门、飞机舱门、地铁车门及汽车车门等各类运输装置的车厢厢门中。目前车厢厢门以动力性质可分为：汽动、液压、电动等多种厢门。以厢门的运动形式可分为塞拉门、对开门及转动门等形式。在高铁车厢门中,目前以塞拉门形式为主。由于车厢厢体空间小的限制，允许布置传动的机构必须在限定空间内完成所需运动，这类门主要需完成两个运动，一个是沿着列车前进方向即车门开启、关闭方向运动，其运动形式是移动，移动的距离略大于门的宽度，约800—900毫米。为了满足紧急情况下可用人力推开车厢厢门，需采用反行程不自锁机构。驱动机构以长距离运动机构，如不自锁螺旋机构、齿条机构及柔性传动(齿形带传动)等机构。驱动力以电动为主。这方面传动形式比较容易布置，容易实现。另一个是垂直于列车前进方向作平移运动，即水平塞拉运动。其运动形式也应是移动，移动距离较小，一般是略大于门的厚度，约75毫米。为保证门的平移运动，目前所用机构通常用短导轨，或用摆动杆摆动近似代替。其运动需跟着上述门的开启运动一起运动。而且是只在到达开关门的位置时作短暂运动。这部分运动较难布置，而且为减少重量、可靠性及降低成本，其运动动力不希望用单独驱动电机。因此常常成为塞拉门的关键难点所在。本发明就在于改进传统塞拉运动的难点部分而采用的一种新颖机构。该机构没有传统的短导轨，用小型机构起到实现虚拟导轨运动，保证门塞拉运动时始终作水平平行移动，没有上下移动。该虚拟导轨机构取消了短导轨，没有摆动杆运动的近似少量上下运动的缺点，也没有为弥补上下移动而引起的缺陷所附加的复杂装置的缺陷。使整个机构结构简单、重量减轻、运动精确、驱动方便轻巧、控制简单、成本降低及可靠性高。
发明内容
发明目的：针对目前塞拉门塞拉运动机构结构多数以短导轨形式，结构复杂，布置及控制均不方便等缺点，或者是以摆动杆摆动的近似平移运动，加上复杂结构的修正辅助装置等缺点。提出一种虚拟移动导轨的塞拉门塞拉移动机构装置，使机构简单，设计布置方便，又能从机构结构上保证车厢门能做绝对平移塞拉运动。没有短导轨，当然也 看不到短导轨。但实际上与门的连接点所走的轨迹，相当于与有导轨时走的是一样的轨迹，这是由机构的结构及尺寸保证。因此我们称它为新颖虚拟直线移动导轨塞拉门塞拉运动机构。该机构具有结构简单、运动精确、控制方便、成本低和可靠性高等优点。
本发明是塞拉门塞拉运动关键技术，也是塞拉门的核心技术，塞拉门塞拉运动的难点所在。为解决上述技术问题,本发明的技术方案是这样实现的。
该装置包括车厢厢门、承载光杆滑块、所述承载光杆滑块置于承载光杆上，且与承载光杆构成移动副连接，其特征在于，所述车厢厢门与承载光杆滑块通过塞拉运动主体机构连接，所述塞拉运动主体机构包括摆杆、连杆和滚子，所述连杆的上端与车厢厢门通过转动副连接于B点，下端与承载光杆滑块通过移动副连接于D点，所述摆杆的上端与承载光杆滑块通过转动副连接于A点，下端与所述连杆的中点通过转动副连接于C点，且B、C、D位于同一直线上。
上述方案中，所述塞拉运动主体机构中，所述摆杆上端A点到连杆中点C点的长度AC为所述连杆上端B点到连杆下端D点的长度BD的一半。
上述方案中，所述车厢厢门上固定有厢门上滑轮，所述厢门上滑轮安装在与车体固定的上滑轮轨道中。
上述方案中，所述车厢厢门的下端固定有下导轨，下导轨与安装在车体上的厢门下滑轮移动副连接。
上述方案中，所述承载光杆啮合连接螺母滑块，所述承载光杆上固定有凸板，螺母滑块上固定有凹版，所述凸板与所述凹板啮合连接。
上述方案中，所述螺母滑块中空且设有螺纹，与丝杆螺纹连接，所述丝杆的一端连接电动机。
本发明的有益效果是：相较于现有塞拉门短导轨或摆动杆技术，本发明取消了短导轨，改为一个虚拟导轨机构，实现了虽无短导导轨，但仍能实现门的直线平移的精确的塞拉运动效果。使整个装置结构简单、成本降低、重量减轻、运动可靠。
附图说明
附图是本发明的虚拟直线移动导轨塞拉门塞拉运动机构装置的结构简图。
图中标号：1.摆杆；2.连杆；3.滚子；4.车厢厢门；5.承载光杆滑块；6.承载光杆；7.丝杆；8.螺母滑块；9.厢门上滑轮；10.上滑轮导轨；11.厢门下滑轮；12.凸版；13.凹版。
具体实施方式
一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置,它是由一种带有虚约束的双 直线导轨五杆机构转化而来。该机构在一般情况下,其自由度为零,是不能运动的。但在各杆长具有特定长度时机构是能够运动的。这时机构带有虚约束。机构的自由度应按照取消一个构件、一个低副来计算。此时五杆机构的自由度,应等同于四杆机构的自由度,机构能运动。随着工业上应用的不同需要,可以选取其中不同的构件及运动副作为虚约束,再选不同构件作为驱动件后,该机构可以有不同的用途。本发明在于将其中双直线导轨五杆机构中的其中一直线导轨作为虚约束，取消该直线导轨(即低副)及其附属的滑块(即构件)，保留其余四个构件。这时虽然将一个直线导轨(即低副)及其附属的滑块(即构件)被取消,但由于四杆机构中杆长的特殊性，其中与滑块连接的连接点仍能保证按原直线导轨走的轨迹运动。虽然取消了直线导轨，但仍能走出原来的直线导轨轨迹，我们称它为虚拟直线移动导轨。本发明将该点即走虚拟直线移动导轨的连结点与塞拉门的驱动点用转动副相连接，即能保证塞拉门能按所需直线移动导轨所走的轨迹移动。完成车厢门的塞拉运动。原双导轨中的另一导轨改用滚子形式的具有局部自由度的高副形式。随着机构所在运动区间的变化，机构的受力情况也在变化，为保证门的塞拉运动的灵活性，可采用机构中不同构件作为驱动构件，使门在作塞拉运动时更轻巧、更灵活、更可靠。本发明中门的塞拉运动无需单独的驱动源，其动力来源是由驱动门的开启、关闭方向(即列车前进方向)的螺旋机构运动，再通过门的曲线轨导形成作用力与反作用力的分力来推动门，实现门的塞拉运动。或再用扭簧力驱动虚拟直线移动导轨塞拉门塞拉运动机构中的摆杆转动，使门始终处于弹开状态。当门到达需要塞拉时，利用设置在门框处的斜面机构驱动原滑块导轨改为带滚子形式的高副运动副，将门塞拉回来。
如附图所示，本发明由一种基于虚拟直线移动导轨塞拉门运动机构由ACBD组成主体机构。该ACBD主体机构,由AC摆杆(1)、BD连杆(2)、滚子(3)及连接于承载光杆滑块(5)组成。AC摆杆的一端与承载光杆滑块(5)以转动副A相连,另一端与连杆(2)以转动副C相连；连杆(2)有B、C、D三个转动副,分别与车厢厢门(4)、摆杆(1)及滚子(3)相连；滚子(3)与承载光杆滑块(5)组成移动副,移动方向为沿AD中心线方向。为保证AB二点连线中与车厢厢门连接的B点,走的轨迹AB始终垂直于AD,要求杆长AC等于BC等于CD,其值可取75毫米。安装时要求角BAD为90度,BCD三点位于一直线上。由于机构杆长及安装具有上述的特殊性,使得机构中若AC沿ω转动，则B点即可沿AB垂直于AD轨迹运动。若D点沿AD方向(即S方向)移动,则AB中B点也能沿AB垂直于AD轨迹运动。若B点向AB方向运动时,B点的运动轨迹也能始终保证AB垂直于AD方向作直线轨迹运动。
本装置除ACBD组成主体机构外,还辅以车厢厢门(4)、承载光杆滑块(5)、承载光杆(6)、反行程不自锁(即具有大导程)的大行程丝杆(7)、与丝杆(7)相配的螺母滑块(8)、厢门上滑轮(9)、上滑轮导轨(10)及厢门下滑轮(11)等组成。其中作虚拟直线移动导轨塞拉门塞拉运动机构为ACBD机构,该机构构件(2)上B点与厢门(4)是以转动副B相连接,厢门上端有厢门上滑轮(9)，该滑轮(9)安装在上滑轮导轨(10)中，上滑轮导轨(10)固定安装在车体上。厢门下端下导轨安装在门上，与门成一体，下导轨内安装有厢门下滑轮(11),该厢门下滑轮(11)可沿下导轨移动并可作如附图中所示，当车厢厢门作塞拉运动时允许沿U方向摆动。上述整个塞拉门塞拉运动机构安装在承载光杆滑块(5)上，随承载光杆滑块(5)一起移动。其中车厢厢门(4)由B点,厢门上滑轮(9)以及厢门下滑轮(11)三处支撑。当控制器控制电机驱动,带动丝杆(7)转动,推动螺母滑块(8)沿列车前进方向,即车门开启、关闭方向移动,带动承载光杆滑块(5)移动,这时厢门除了可随承载光杆滑块(5)一起移动外,还可在开门、关门时,由上滑轮导轨(10)的弯曲导轨部分给厢门上滑轮(9)的反作用力在V向的分力作用,如附图中K向图所示,使车厢厢门(4)随转动副B点沿虚拟直线移动导轨作垂直于列车前进运动方向,即如附图中图示V向为关门时的塞拉运动。与图示V向反向运动,为开门时的塞拉运动。承载光杆滑块(5)与螺母滑块(8)之间由连接副F相连接,该连接副如附图中P向图所示,其上下无约束,可防止与承载光杆滑块(5)相连的整个部件,包括门的重量等载荷,传递到丝杆(7)上。但同时又可将由电机驱动丝杆(7)转动,推动螺母滑块(8)一起作沿列车前进方向运动的力传递给承载光杆滑块(5),带动车厢厢门(4)完成沿列车前进或后退方向的移动。电机驱动的转向及转动时间由控制器控制实现。请注意：该发明的塞拉运动主体机构ACBD的三运动构件(即摆杆(1)、连杆(2)、滚子(3))中的任一构件,均可作为驱动构件,完成塞拉运动。这一运动特点可给塞拉运动的驱动方式提供了多样性及方便性。如上所述,用上导轨弯曲导轨部分的反作用力在V向的分力作用,完成V向塞拉运动,即是由反作用力驱动连杆2上的B点,以连杆2作为驱动构件时,完成塞拉运动的一例。
其驱动传动路线是:若需关门,由控制器控制电机转向及电机运转时间的电机驱动,带动丝杆(7)转动,带动螺母滑块(8)沿列车前进方向移动,带动承载光杆滑块(5)沿承载光杆移动,带动塞拉运动主体机构ACBD整体移动,带动厢门上滑轮(9)沿上滑轮导轨(10)直线段移动,完成沿列车前进(或反向)方向关门(或开门)运动。当车厢厢门(4)移动至关门端点位置附近时，由于厢门上滑轮(9)进入到上滑轮导轨(10)的弯曲段时，由上滑轮导轨(10)给厢门上滑轮(9)的反作用力V向分力作用,使车厢厢门(4)上B点 沿V方向完成关门塞拉运动。本发明由于机构本身特性,能始终保证B点沿BA垂直于AD方向,作虚拟直线导轨移动。上述是关门过程,先沿列车前进方向,即厢门上滑轮(9)在上滑轮导轨(10)直线段移动。快到关门位置时,厢门上滑轮(9)进入到上滑轮导轨(10)弯曲段时完成V向关门塞拉运动。
若需开门,则是上述过程的相反过程。即先作弯曲段导轨开门塞拉运动,再作直线段导轨开门移动。

Claims (6)

  1. 一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置，包括车厢厢门(4)、承载光杆滑块(5)、所述承载光杆滑块(5)置于承载光杆(6)上，且与承载光杆(6)构成移动副连接，其特征在于，所述车厢厢门(4)与承载光杆滑块(5)通过塞拉运动主体机构连接，所述塞拉运动主体机构包括摆杆(1)、连杆(2)和滚子(3)，所述连杆(2)的上端与车厢厢门通过转动副连接于B点，下端与承载光杆滑块(5)通过移动副连接于D点，所述摆杆(1)的上端与承载光杆滑块(5)通过转动副连接于A点，下端与所述连杆(2)的中点通过转动副连接于C点，且B、C、D位于同一直线上。
  2. 根据权利要求1所述的一种基于虚拟直线移动导轨塞拉门塞拉运动机构装置，其特征在于，所述塞拉运动主体机构中，所述摆杆(1)上端A点到连杆中点C点的长度AC为所述连杆(2)上端B点到连杆下端D点的长度BD的一半。
  3. 根据权利要求1所述的一种基于虚拟直线运动导轨塞拉门塞拉运动机构装置，其特征在于，所述车厢厢门(4)上固定有厢门上滑轮(9)，所述厢门上滑轮(9)安装在与车体固定的上滑轮轨道(10)中。
  4. 根据权利要求1所述的一种基于虚拟直线运动导轨塞拉门塞拉运动机构装置，其特征在于，所述车厢厢门(4)的下端固定有下导轨，下导轨与安装在车体上的厢门下滑轮(11)移动副连接。
  5. 根据权利要求1所述的一种基于虚拟直线运动导轨塞拉门塞拉运动机构装置，其特征在于,所述承载光杆(6)啮合连接螺母滑块(8)，所述承载光杆(6)上固定有凸板(12)，螺母滑块上固定有凹版(13)，所述凸板(12)与所述凹板(13)啮合连接。
  6. 根据权利要求5所述的一种基于虚拟直线运动导轨塞拉门塞拉运动机构装置，其特征在于，所述螺母滑块(8)中空且设有螺纹，通过螺纹连接丝杆(7)，所述丝杆(7)的一端连接电动机。
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