WO2016015272A1 - 后置驱动铰接客车用底盘铰接系统 - Google Patents

后置驱动铰接客车用底盘铰接系统 Download PDF

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Publication number
WO2016015272A1
WO2016015272A1 PCT/CN2014/083393 CN2014083393W WO2016015272A1 WO 2016015272 A1 WO2016015272 A1 WO 2016015272A1 CN 2014083393 W CN2014083393 W CN 2014083393W WO 2016015272 A1 WO2016015272 A1 WO 2016015272A1
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WIPO (PCT)
Prior art keywords
ball joint
frame
front frame
joint mounting
passenger car
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Application number
PCT/CN2014/083393
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English (en)
French (fr)
Inventor
郝庆军
Original Assignee
伊卡路斯(苏州)车辆系统有限公司
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Publication date
Application filed by 伊卡路斯(苏州)车辆系统有限公司 filed Critical 伊卡路斯(苏州)车辆系统有限公司
Publication of WO2016015272A1 publication Critical patent/WO2016015272A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D5/00—Gangways for coupled vehicles, e.g. of concertina type

Definitions

  • the present invention relates to the field of hinged passenger car chassis articulation systems, and more particularly to a chassis articulated system for a rear drive articulated passenger car that enhances the torsional and torsional strength of the joint between the chassis hinge system and the front compartment.
  • the current articulated bus is generally composed of front and rear compartments and a chassis hinge system connecting the front and rear compartments.
  • the chassis hinge system includes a front frame, a rear frame, a slewing bearing, and a damping system, wherein the slewing bearing includes an outer ring and an inner ring, as disclosed in Chinese patent CN201086609.
  • a large articulated bus chassis hinge system the front frame is fixed by two ball hinges and a front beam assembly, and although a better motion connection is achieved, the pitch and torsion movements of the front and rear cars are ensured, and the front frame and the front are connected.
  • the connecting parts of the beam assembly are uninterrupted and high-load moving joints. The joint strength and load carrying capacity of the two ball joints are limited.
  • An object of the present invention is to overcome the deficiencies of the prior art and to provide a chassis articulated system for a rear-drive articulated passenger car that is compact, practical, and capable of improving the torsional and torsional strength of the joint between the chassis hinge system and the front compartment.
  • a chassis driving system for a rear drive articulated passenger car installed between a front beam assembly and a rear beam assembly, comprising a front frame, a rear frame and a slewing bearing,
  • the front frame and the rear frame are rotatably connected by the slewing bearing, the front frame is fixedly connected to the front beam assembly through a ball joint, and the rear frame is fixedly connected with the rear beam assembly, in the front frame a first ball joint mounting portion, a second ball joint mounting portion, and a third ball joint mounting between the first ball joint mounting portion and the second ball joint mounting portion are respectively disposed at opposite ends of the front beam assembly
  • the first, second and third ball joint mounting portions are respectively provided with a ball joint mounting hole for mounting the ball joint, and the front frame passes through a ball joint installed in the ball joint mounting hole
  • the front beam assembly is fixedly coupled.
  • the third ball joint mounting portion includes a ball joint mounting body and two hinge arms fixed on an outer surface of the ball joint mounting body, and the ball joint mounting hole is disposed in the hinge mounting body .
  • the front beam assembly includes a front beam and a ball joint bracket fixed to the same side of the front beam, the ball joint bracket including the first ball joint mounting portion, the second ball joint mounting portion, and the first The three-ball joint mounting portion corresponds to the left bracket, the right bracket, and the middle bracket.
  • Each of the brackets includes a fixing plate, and first and second fixing seats disposed on the same side of the fixing plate, and each of the ball joints installed in the ball joint mounting holes is fixed to each of the brackets Between the first fixed seat and the second fixed seat.
  • the slewing bearing includes an inner ring and an outer ring, and the inner ring and the outer ring are concentrically arranged and mutually rotated Dynamically connecting, the front frame is fixedly connected with the outer ring of the slewing bearing, the rear frame is fixedly connected with the inner ring of the slewing bearing, and the front frame and the rear frame are respectively connected to the outer and inner sides of the slewing bearing The loops are connected to achieve mutual rotation.
  • a steel ball raceway is disposed between the inner ring and the outer ring of the slewing bearing, and a plurality of steel balls are disposed in the steel ball raceway, and the inner ring and the outer ring of the slewing bearing are mutually rotated by the steel ball.
  • a plurality of lubrication interfaces are disposed on an upper circumferential surface of the inner ring of the slewing bearing, and the lubrication interface is in communication with the steel ball raceway.
  • the chassis driving system for the rear drive articulated passenger car further includes a lubricating device including a lubricator and a lubrication line, the lubrication line communicating with the steel ball raceway through the lubrication interface, the lubricator Mounted to the rear frame.
  • a lubricating device including a lubricator and a lubrication line, the lubrication line communicating with the steel ball raceway through the lubrication interface, the lubricator Mounted to the rear frame.
  • a plurality of front frame fixing holes for fixing the front frame are disposed in a circumferential direction on the outer ring of the slewing bearing, and the front frame is provided with an outer ring fixing hole corresponding to the front frame fixing hole;
  • a plurality of rear frame fixing holes for fixing the rear frame are spaced apart in a circumferential direction on the inner ring of the slewing bearing, and the rear frame is provided with an inner ring fixing hole corresponding to the rear frame fixing hole.
  • the chassis hinge system for the rear drive articulated passenger car further includes an electronically controlled hydraulic damping buffer device disposed symmetrically, the one end of the electronically controlled hydraulic damping buffer device is fixedly connected to the front frame, and the other end is fixed to the rear frame Connected.
  • the invention realizes that the front frame is connected with the front beam assembly through three ball joints, strengthens the tensile and torsional strength of the joint between the front frame and the front car, improves the bearing safety factor of the chassis hinge system and the service life of the ball joint. .
  • the present invention also provides flank on the front frame, so that the bearing capacity of the hinge system is more evenly dispersed; and the invention is compact and practical.
  • the hydraulic and electronic control system of the present invention re-optimizes the demand for new energy vehicles on the basis of standard damping, increases the basic damping coefficient, and optimizes the adjustment torque curve.
  • 1 is a schematic structural view of the chassis hinge system for a rear drive articulated passenger car assembled with the front and rear beam assemblies of the present invention;
  • FIG. 2 is a cross-sectional structural view of the front beam assembly of the present invention
  • Figure 3 is a perspective view showing the structure of the front beam assembly of the present invention.
  • Figure 4 is a schematic structural view of the rear beam assembly of the present invention.
  • FIG. 5 is a schematic structural view of a chassis hinge system for a rear drive articulated passenger car of the present invention
  • FIG. 6 is a schematic structural view of the rear frame and the rear cross member assembly of the present invention
  • Figure 7 is a schematic structural view of a slewing bearing and a lubricating device of the present invention.
  • Figure 8 is a schematic view showing the curve of the turning angle and the damping torque of the present invention.
  • FIG. 9 is a schematic view showing the overall structure of the chassis hinge system for the rear drive articulated passenger car and the front and rear cross member assemblies assembled to the front and rear cars. detailed description
  • the chassis hinge system for the rear drive articulated passenger car disclosed in the invention is used for connecting the front and rear compartments of the articulated bus, and is mainly suitable for the new energy rear drive articulated passenger car, and the invention is specifically for the rear drive of new energy and the like.
  • Design of the development of heavy-duty articulated passenger cars As shown in Figures 1 and 9, it is mounted between the front beam assembly 1 and the rear beam assembly 2, the front beam assembly 1 is fixedly coupled to the front compartment 9 of the articulated bus, the rear beam assembly 2 and the articulated
  • the rear compartment 91 of the passenger car is fixedly connected, and the chassis hinge system 3 realizes the articulation of the front and rear compartments of the articulated passenger car through the front and rear cross member assembly 1.
  • the front beam assembly 1 includes a front beam 11 and a ball joint bracket 12, one end of the front beam 11 is fixed on the front compartment, and the other end is fixed to the ball joint bracket 12, which can be welded.
  • the front beam 11 is a hollow reinforced square tube, that is, the wall thickness of the opposite tube is correspondingly increased, and the overall strength of the front beam assembly 1 is enhanced.
  • the ball joint bracket 12 is disposed on the same side of the front cross member 11, and includes a left bracket 13, a right bracket 14, and a middle bracket 15, each of which can be fixed to the front cross member 11 by welding.
  • each of the brackets 13, 14, 15 includes a fixing plate 16, a first fixing base 17, and a second fixing base 18, and the first fixing base 17 and the second fixing base 18 are disposed on the same of the fixing plate 16.
  • the first fixing seat 17 and the second fixing seat 18 are symmetrically disposed with grooves 19, and each of the grooves 19 is provided with a screw hole 10 penetrating through the first fixing seat 17 or the second fixing seat 18.
  • the rear cross member assembly 2 includes a rear cross member 21 and a reinforcing member 22, and the reinforcing member 22 is sleeved on the rear cross member 21 and fixedly connected to the rear cross member 21, and the rear cross member 21 and the reinforcing member 22 are correspondingly provided with plural numbers.
  • the chassis hinge system 3 for a rear drive articulated passenger car disclosed by the present invention comprises a front frame 4, a rear frame 5, and a slewing bearing 6, a front frame 4 and a rear frame 5 connecting the front frame 4 and the rear frame 5.
  • the front frame 4 is fixedly coupled to the front beam assembly 1 by a ball joint by a rotational connection of the slewing bearing 6.
  • the left, middle, and right sides of the front frame 4 and the opposite end of the front beam assembly 1 are respectively provided with a first ball joint mounting portion 41 and a second ball joint mounting portion 43 both for mounting the ball joint.
  • the first ball joint mounting portion 41 and the second ball joint mounting portion 43 have the same structure as the third ball joint mounting portion 42.
  • the front frame 4 of the chassis hinge system 3 for the rear drive articulated passenger car is generally provided with two ball joint mounting portions, and the present invention adds a third ball joint between the first ball joint mounting portion 41 and the second ball joint mounting portion 43.
  • the mounting portion 42 realizes that the front frame 4 is fixedly connected to the front beam assembly 1 through three ball joints, and the connection strength between the front frame 4 and the front beam assembly 1 is enhanced.
  • the first and second ball joint mounting portions 41, 43 and the third ball joint mounting portion 42 are respectively provided with ball joint mounting holes 44, the ball joints are installed into the ball joint mounting holes 44, and the ball joints are extended by the ball joints. Both ends of the hole 44 are fixed to the first fixing seat 17 of each of the brackets 13, 14, 15 and the recess 19 of the second fixing seat 18 to realize the ball joint of the front frame 4 through the ball joint and the front beam assembly 1.
  • the bracket 12 is fixedly connected.
  • the left and right sides of the front frame 4 are each provided with a side wing 46 fixed to the front frame for more evenly distributing the bearing capacity of the hinge system.
  • a plurality of connecting posts 47 are also disposed on the side wings 46.
  • the connecting posts 47 are provided with screw holes 48 through which the front frame 4 is fixedly connected to other structures.
  • the third ball joint mounting portion 42 includes a ball joint mounting body 421 and an articulated arm 422.
  • the ball joint mounting body 421 is a transverse hollow cylinder, and a ball joint mounting with a ball joint is disposed therein.
  • One end of the hinge arm 422 has a fixing portion 423 connected to the ball joint mounting body 421.
  • the fixing portion 423 is attached to a part of the outer surface of the ball joint mounting body 421, and is fixed or integrally formed with the ball joint mounting body 421.
  • the other end of the hinge arm 422 is integrally formed with the front frame 4.
  • the articulated arms 422 are arranged in two.
  • the rear frame 5 is fixedly connected to the rear cross member assembly 2.
  • the rear frame 5 has a bearing fixing surface 51.
  • the bearing fixing surface 51 is provided with a plurality of inner ring fixing holes 511 in the circumferential direction, and the bearing fixing surface 51
  • a lubricator fixing hole 512 is disposed in the middle, and a lubricator fixing seat 513 is disposed in the lubricator fixing hole 512.
  • a second bolt hole 52 corresponding to the first bolt hole 24 on the rear cross member assembly 2 is disposed at one end of the rear frame 5 away from the bearing fixing surface 51, and the rear frame 5 is engaged by the connecting bolt 53 and the anti-feed washer 54, and
  • the positioning pin 55 is fixedly coupled to the rear cross member assembly 2.
  • the slewing bearing 6 includes an inner ring 61 and an outer ring 62 which are rotatable with each other.
  • the front frame 4 is disposed above the slewing bearing 6 and is fixedly coupled to the outer ring 62 of the slewing bearing 6;
  • the rear frame 5 is disposed at Below the slewing bearing 6, and fixedly connected to the inner ring 61 of the slewing bearing 6, the front frame 4 and the rear frame 5 are mutually rotated by being connected to the inner and outer rings 61, 62 of the slewing bearing 6, respectively.
  • a plurality of front frame fixing holes 63 for fixing the front frame are circumferentially arranged on the outer ring 62 of the slewing bearing 6, and the front frame 4 is provided with an outer ring fixing hole 45 corresponding to the front frame fixing hole 63.
  • the front frame 4 is fixedly coupled to the outer ring 62 of the slewing bearing 6 by fasteners such as screws; a plurality of rear frame fixing holes 64 for fixing the rear frame 5 are circumferentially arranged on the inner ring 61 of the slewing bearing 6 in the circumferential direction.
  • the rear frame 5 is provided with an inner ring fixing hole 511 corresponding to the rear frame fixing hole 64, and the rear frame 5 is also fixedly connected to the inner ring 61 of the slewing bearing 6 by a fastener such as a screw.
  • the number of fixing holes for the front and rear frames is 24, which greatly improves the connection strength between the front and rear frames and the slewing bearing.
  • a steel ball raceway 66 for mounting steel balls is disposed between the inner ring 61 and the outer ring 62.
  • the steel ball raceway 66 is provided with a plurality of steel balls of equal diameter, which are covered with steel ball raceways 66, and the outer ring 62 and the inner ring 61 are realized by steel balls. Rotating with each other, the number of steel balls is set according to the specific volume of the ball race 66.
  • a plurality of lubrication interfaces 67 are also disposed on the circumferential surface of the inner ring 61, and the lubrication interface 67 communicates with the ball raceway 66. In the embodiment of the present invention, four lubrication interfaces 67 are spaced apart on the circumferential surface of the inner ring 61.
  • the chassis hinge system 3 for the rear drive articulated passenger car further includes a lubricating device 7, which includes a lubricator 71 and a lubrication line 72, which is terminated to the lubrication interface 67, and the steel ball
  • the raceway 66 is in communication, the lubricator 71 is fixedly mounted to the lubricator mount 513 on the rear frame 5, and the lubricating oil is supplied to the ball race 66 through the lubrication line 72 to ensure that the turntable bearing 6 is not stuck by the steel ball. Accidents have also increased the service life of the steel balls.
  • the chassis hinge system 3 for the rear drive articulated passenger car of the present invention further includes an electronically controlled hydraulic damping buffer device 8 symmetrically disposed on the left and right sides.
  • One end of the electronically controlled hydraulic damping buffer device 8 is fixedly connected with the front frame 4, and the other end is It is fixedly connected to the rear frame 5.
  • the front and front cross-member assemblies 1 drive the front frame 4 to rotate, and the electronically controlled hydraulic damping buffer device 8 provides greater damping, which can provide a greater damping buffer for preventing the vehicle from turning too large.
  • curve 1 represents the curve of the turning angle and the damping torque when the vehicle speed is lower than 40KM/h
  • curve 2 represents the curve of the turning angle and the damping torque when the vehicle speed is higher than 40KM/h
  • the optimized symmetric electronically controlled hydraulic damping buffer device makes the heavy load by changing the size of the throttle of the base damping and controlling the current value.
  • the turning buffer effect of the new energy articulated bus is better and smoother.
  • chassis articulated system for the rear-drive articulated passenger car of the present invention is ingenious, compact, with strong load bearing capacity, good steering effect, high safety performance, through the front frame three-ball hinge structure and front and rear
  • the design of the reinforced beam enhances the bearing capacity and torsion resistance of the vehicle during driving.
  • the electronically controlled hydraulic damping buffer device protects the smooth transition during the turning of the vehicle and adds a safety lock to the safety of the passenger.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

一种后置驱动铰接客车用底盘铰接系统，适用于新能源后置驱动铰接客车，其包括前架（4）、后架（5）以及转盘轴承（6），前架（4）和后架（5）通过转盘轴承（6）转动连接，在前架（4）与前横梁总成（1）相对一端分别设置有第一球铰安装部（41）、第二球铰安装部（43）及第一、第二球铰安装部之间的第三球铰安装部（42），第一、第二和第三球铰安装部上均设置有用于安装球铰的球铰安装孔（44），前架（4）通过安装在球铰安装孔（44）内的球铰与前横梁总成（1）固定连接。该系统增强了前架与前车厢连接处的抗拉和扭转强度，提高了底盘铰接系统的承载安全系数；提升了基础阻尼系数，优化调整了扭矩曲线。

Description

后置驱动铰接客车用底盘铰接系统 技术领域
本发明涉及铰接客车底盘铰接系统技术领域， 尤其是涉及一种增强了 底盘铰接系统与前车厢连接处的扭拉及扭转强度的后置驱动铰接客车用底 盘铰接系统。 背景技术
随着我们汽车制造业的迅速发展， 各种车辆制造业也在突飞猛进， 铰 接式客车以它载客量大、利用系数高等特点在国内大中城市逐渐得到推广。 特别是随着国家节能减排的政策推广，新能源客车越来越受到大众的青睐， 新能源客车相比于常规燃油动力铰接客车重量有所增加， 这种车需要在后 车厢布置许多电池组， 重量比传统客车重 1-3 吨， 这种车辆在不平路面或 急转弯路况下， 球铰安装部受到的横向剪切力及上、 下的拉力会更大， 在 这些力的作用下， 传统两球铰的产品 （橡胶轴承）极易损坏， 因此对铰接 盘的承载能力、 抗扭转性能提出了更高的要求。
当前铰接客车一般由前后车厢以及连接前后车厢的底盘铰接系统等组 成， 底盘铰接系统包括前架、 后架、 转盘轴承以及阻尼系统等， 其中转盘 轴承包括外圈和内圈，如中国专利 CN201086609公开了一种大型铰接客车 底盘铰接系统， 其前架通过两球铰和前横梁总成固定， 虽然实现了较佳的 运动连接， 保证了前、 后车厢的俯仰和扭转运动， 连接前架与前横梁总成 的连接件属于不间断、 高负荷运动连接件， 两球铰的连接方式强度和承载 能力有限， 结合新能源铰接车实际工作中的情况， 在上、 下班、 节假日高 峰期， 铰接平台上会挤满人， 一定程度上增大了铰接系统的负荷， 承载安 全系数相对一般， 因此解决铰接客车前部连接处安全性的问题成为铰接技 术领域的一大技术难题。 发明内容
本发明的目的在于克服现有技术的缺陷， 提供一种结构紧凑、 实用性 强、 且能提高底盘铰接系统与前车厢连接处的扭拉及扭转强度的后置驱动 铰接客车用底盘铰接系统。
为实现上述目的， 本发明提出如下技术方案： 一种后置驱动铰接客车 用底盘铰接系统， 安装在前横梁总成和后横梁总成之间， 其包括前架， 后 架以及转盘轴承， 所述前架和后架通过所述转盘轴承转动连接， 所述前架 通过球铰与所述前横梁总成固定连接， 所述后架与所述后横梁总成固定连 接， 在所述前架与所述前横梁总成相对一端分别设置有第一球铰安装部、 第二球铰安装部和位于所述第一球铰安装部和第二球铰安装部之间的第三 球铰安装部， 所述第一、 第二和第三球铰安装部上均设置有用于安装所述 球铰的球铰安装孔， 所述前架通过安装在所述球铰安装孔内的球铰与所述 前横梁总成固定连接。
更进一步地， 所述第三球铰安装部包括球铰安装本体和固定在所述球 铰安装本体的外表面上的两个铰接臂， 所述铰接安装本体内设置有所述球 铰安装孔。
所述前架的左右两侧各设置一侧翼， 所述侧翼上设置复数个连接柱。 所述前横梁总成包括前横梁和固定在所述前横梁同一侧的球铰支架， 所述球铰支架包括分别与所述第一球铰安装部、 第二球铰安装部和所述第 三球铰安装部相对应的左支架、 右支架和中支架。
每个所述支架均包括一固定板， 以及设置在所述固定板同一侧的第一 固定座和第二固定座， 每个安装在所述球铰安装孔内的球铰固定到每个支 架的所述第一固定座和第二固定座之间。
所述转盘轴承包括内圈和外圈， 所述内圈和外圈同心设置， 且相互转 动连接， 所述前架与所述转盘轴承的外圈固定连接， 所述后架与所述转盘 轴承的内圈固定连接， 所述前架和后架分别与所述转盘轴承的外、 内圈相 连接而实现相互转动。
所述转盘轴承的内圈和外圈之间设置有钢珠滚道， 所述钢珠滚道内设 置复数个钢珠， 所述转盘轴承的内圈和外圈通过所述钢珠实现相互转动。
所述转盘轴承的内圈的上圆周表面上设置复数个润滑接口， 所述润滑 接口与所述钢珠滚道相通。
所述后置驱动铰接客车用底盘铰接系统还包括润滑装置， 所述润滑装 置包括润滑器和润滑管路， 所述润滑管路通过所述润滑接口与所述钢珠滚 道相通， 所述润滑器安装到所述后架上。
在所述转盘轴承的外圈上的圆周方向上间隔设置有复数个用于固定前 架的前架固定孔，所述前架上设置有与所述前架固定孔相应的外圈固定孔; 在所述转盘轴承的内圈上的圆周方向上间隔设置有复数个用于固定后架的 后架固定孔， 所述后架上设置有与所述后架固定孔相应的内圈固定孔。
所述后置驱动铰接客车用底盘铰接系统还包括左右对称设置的电控液 压阻尼缓冲装置，所述电控液压阻尼缓冲装置的一端与所述前架固定连接, 另一端与所述后架固定相连。
本发明的有益效果是：
1、本发明实现前架通过三个球铰与前横梁总成连接， 增强了前架与前 车厢连接处的抗拉和扭转强度， 提高了底盘铰接系统的承载安全系数及球 铰的使用寿命。
2、本发明还在前架上设置侧翼， 使得铰接系统的承载力更加的均匀分 散； 且本发明结构紧凑、 实用性强。
3、本发明液压及电控系统针对新能源车辆需求在标准型阻尼基础上重 新优化， 提升基础阻尼系数， 优化调整扭矩曲线。 图 1 是本发明后置驱动铰接客车用底盘铰接系统与前、 后横梁总成组 装在一起的结构示意图；
图 2是本发明前横梁总成的剖视结构示意图；
图 3是本发明前横梁总成的立体结构示意图；
图 4是本发明后横梁总成的结构示意图；
图 5是本发明后置驱动铰接客车用底盘铰接系统的结构示意图； 图 6是本发明后架与后横梁总成组装的结构示意图；
图 7是本发明转盘轴承及润滑装置的结构示意图；
图 8是本发明转弯角度和阻尼力矩的变化曲线示意图；
图 9是本发明后置驱动铰接客车用底盘铰接系统与前、 后横梁总成组 装到前后车厢的整体结构示意图。 具体实施方式
下面将结合本发明的附图， 对本发明实施例的技术方案进行清楚、 完 整的描述。
本发明所揭示的后置驱动铰接客车用底盘铰接系统， 用于连接铰接客 车的前、 后车厢， 主要适用于新能源后置驱动铰接客车上， 且本发明是专 门针对新能源等后置驱动重型铰接客车工况研发的设计。 结合图 1和图 9 所示， 其安装在前横梁总成 1和后横梁总成 2之间， 前横梁总成 1与铰接 式客车的前车厢 9固定相连，后横梁总成 2与铰接式客车的后车厢 91固定 相连， 底盘铰接系统 3通过前后横梁总成 1实现铰接式客车前后车厢的铰 接。
如图 2所示， 前横梁总成 1包括前横梁 11和球铰支架 12, 前横梁 11 的一端固定在前车厢上， 另一端固定球铰支架 12, 可通过焊接的方式进行 固定， 本发明实施例中， 前横梁 11为一中空的加强型方管， 即对方管的壁 厚进行了相应增加， 增强了前横梁总成 1的整体强度。球铰支架 12设置在 前横梁 11的同一侧， 包括左支架 13、右支架 14和中支架 15, 每个支架可 通过焊接的方式固定到前横梁 11上。
如图 3所示， 每个支架 13, 14, 15包括一固定板 16、 第一固定座 17 和第二固定座 18, 第一固定座 17和第二固定座 18设置在固定板 16的同 一侧， 且第一固定座 17和第二固定座 18上对称设置有凹槽 19, 每个凹槽 19内设置贯穿第一固定座 17或第二固定座 18的螺孔 10。
如图 4所示， 后横梁总成 2包括后横梁 21和加强件 22, 加强件 22套 在后横梁 21上， 且与后横梁 21固定连接， 后横梁 21和加强件 22上对应 设置有复数个定位销孔 23和第一螺栓孔 24。
如图 5所示， 本发明所揭示的后置驱动铰接客车用底盘铰接系统 3包 括前架 4,后架 5及连接前架 4和后架 5的转盘轴承 6, 前架 4和后架 5通 过转盘轴承 6转动连接， 前架 4通过球铰与前横梁总成 1固定连接。 如图 5所示， 前架 4与前横梁总成 1相对一端的左、 中、 右三侧分别设置有均 用于安装球铰的第一球铰安装部 41、 第二球铰安装部 43和第三球铰安装 部 42, 第一球铰安装部 41及第二球铰安装部 43的结构相同。 后置驱动铰 接客车用底盘铰接系统 3的前架 4一般设置两个球铰安装部， 本发明在第 一球铰安装部及 41和第二球铰安装部 43之间增设一第三球铰安装部 42, 实现前架 4通过三个球铰与前横梁总成 1固定连接， 增强了前架 4与前横 梁总成 1间的连接强度。
第一、 第二球铰安装部 41 , 43和第三球铰安装部 42上均设置有球铰 安装孔 44, 球铰安装到球铰安装孔 44内， 再将球铰伸出球铰安装孔 44的 两端固定到每个支架 13, 14, 15的第一固定座 17和第二固定座 18的凹槽 19内， 以实现前架 4通过球铰与前横梁总成 1的球铰支架 12固定连接。 前架 4的左右两侧各设置一固定在前架上的侧翼 46, 用于使得铰接系 统的承载力更加的均匀分散。 侧翼 46上还设置复数个连接柱 47, 连接柱 47内设置有螺紋孔 48, 通过螺紋孔 48将前架 4与其他结构相固定连接。
如图 5所示,第三球铰安装部 42包括球铰安装本体 421和铰接臂 422, 球铰安装本体 421为一横置的中空的圆柱体， 其内设置有安装球铰的球铰 安装孔 44,铰接臂 422的一端具有与球铰安装本体 421连接的固定部 423, 固定部 423贴合在球铰安装本体 421的部分外表面上， 且与球铰安装本体 421固定或为一体成型的， 铰接臂 422的另一端与前架 4一体成型。 本发 明实施中， 铰接臂 422设置为两个。
后架 5与后横梁总成 2固定连接， 如图 6所示， 后架 5具有一轴承固 定面 51 , 轴承固定面 51的圆周方向上设置有复数个内圈固定孔 511 , 轴承 固定面 51中间设置一润滑器固定孔 512, 润滑器固定孔 512内设置一润滑 器固定座 513。 后架 5远离轴承固定面 51的一端上设置有与后横梁总成 2 上的第一螺栓孔 24相对应的第二螺栓孔 52, 后架 5通过连接螺栓 53和防 送垫圈 54配合， 以及定位销 55与后横梁总成 2固定连接。
如图 7所示， 转盘轴承 6包括可相互转动的内圈 61和外圈 62, 前架 4 设置在转盘轴承 6的上方， 且与转盘轴承 6的外圈 62固定连接； 后架 5设 置在转盘轴承 6的下方， 且与转盘轴承 6的内圈 61固定连接， 前架 4和后 架 5通过分别与转盘轴承 6的内、 外圈 61 , 62相连接而实现相互转动。
在转盘轴承 6的外圈 62上的圆周方向上间隔设置有多个用于固定前架 的前架固定孔 63,前架 4上设置有与前架固定孔 63相应的外圈固定孔 45, 前架 4通过螺钉等紧固件与转盘轴承 6的外圈 62固定连接； 在转盘轴承 6 的内圈 61上的圆周方向上间隔设置有复数个用于固定后架 5的后架固定孔 64, 后架 5上设置有与后架固定孔 64相应的内圈固定孔 511 , 后架 5同样 通过螺钉等紧固件与转盘轴承 6的内圈 61固定连接。 在本发明实施例中， 前、后架固定孔的设置数量为 24个， 大大提高了前后架与转盘轴承间的连 接强度。
内圈 61和外圈 62之间设置有用于安装钢珠的钢珠滚道 66, 钢珠滚道 66内设置复数个直径等同的钢珠， 布满钢珠滚道 66, 外圈 62和内圈 61通 过钢珠实现相互转动连接， 钢珠的数量根据钢珠滚道 66 的具体容积而设 置。 内圈 61上的圆周表面上还设置复数个润滑接口 67, 润滑接口 67与钢 珠滚道 66相通。 本发明实施例在内圈 61的圆周表面上间隔设置了 4个润 滑接口 67。
如图 7所示， 后置驱动铰接客车用底盘铰接系统 3还包括润滑装置 7, 润滑装置 7包括润滑器 71和润滑管路 72, 润滑管路 72—端接到润滑接口 67内， 与钢珠滚道 66相通， 润滑器 71固定安装到后架 5上的润滑器固定 座 513上， 且通过润滑管路 72向钢珠滚道 66内供给润滑油， 保证转盘轴 承 6不会因为钢珠卡死而出现事故， 同时也提高了钢珠的使用寿命。
如图 4所示， 本发明后置驱动铰接客车用底盘铰接系统 3还包括左右 对称设置的电控液压阻尼缓冲装置 8, 电控液压阻尼缓冲装置 8的一端与 前架 4固定连接， 另一端与后架 5固定相连。 车辆行驶过程中转弯时， 前 车厢和前横梁总成 1带动前架 4转动， 电控液压阻尼缓冲装置 8提供更加 大的阻尼， 能够为防止车辆转向角度过大提供更大的阻尼缓冲效果。
如图 8所示， 其中， 曲线 1代表车速低于 40KM/h时， 转弯角度和阻 尼力矩的变化曲线； 曲线 2代表车速高于 40KM/h时， 转弯角度和阻尼力 矩的变化曲线； 曲线 3代表弯曲角度超过 47°或按下高阻尼按钮时，阻尼力 矩的变化曲线； 由此可见， 优化的对称电控液压阻尼缓冲装置通过改变基 础阻尼的节流口大小及控制电流值， 使得重载新能源铰接客车的转弯缓冲 效果更佳平稳。
综上， 本发明后置驱动铰接客车用底盘铰接系统设计巧妙、结构紧凑、 承受载荷能力强、 转向效果好、 安全性能高， 通过前架三球铰结构和前后 加强型横梁的设计增强了车辆行驶过程中的承载力、 抗扭性， 电控液压阻 尼缓冲装置保护车辆转弯过程中的平稳过渡， 为乘客的安全又加了一把安 全保护锁。
本发明的技术内容及技术特征已揭示如上， 然而熟悉本领域的技术人 员仍可能基于本发明的教示及揭示而作种种不背离本发明精神的替换及修 饰， 因此， 本发明保护范围应不限于实施例所揭示的内容， 而应包括各种 不背离本发明的替换及修饰， 并为本专利申请权利要求所涵盖。

Claims

权 利 要 求 书
1、 一种后置驱动铰接客车用底盘铰接系统， 安装在前横梁总成和后横梁 总成之间， 其包括前架， 后架以及转盘轴承， 所述前架和后架通过所述转 盘轴承转动连接， 所述前架通过球铰与所述前横梁总成固定连接， 所述后 架与所述后横梁总成固定连接， 其特征在于： 在所述前架与所述前横梁总 成相对一端分别设置有第一球铰安装部、 第二球铰安装部和位于所述第一 球铰安装部和第二球铰安装部之间的第三球铰安装部， 所述第一、 第二和 第三球铰安装部上均设置有用于安装所述球铰的球铰安装孔， 所述前架通 过安装在所述球铰安装孔内的球铰与所述前横梁总成固定连接。
2、 根据权利要求 1所述的后置驱动铰接客车用底盘铰接系统， 其特征在 于， 所述第三球铰安装部包括球铰安装本体和固定在所述球铰安装本体的 外表面上的两个铰接臂， 所述铰接安装本体内设置有所述球铰安装孔。
3、 根据权利要求 1所述的后置驱动铰接客车用底盘铰接系统， 其特征在 于， 所述前架的左右两侧各设置一侧翼， 所述侧翼上设置复数个连接柱。
4、根据权利要求 1~3任意一项所述的后置驱动铰接客车用底盘铰接系统, 其特征在于， 所述前横梁总成包括前横梁和固定在所述前横梁同一侧的球 铰支架， 所述球铰支架包括分别与所述第一球铰安装部、 第二球铰安装部 和所述第三球铰安装部相对应的左支架、 右支架和中支架。
5、 根据权利要求 4所述的后置驱动铰接客车用底盘铰接系统， 其特征在 于， 每个所述支架均包括一固定板， 以及设置在所述固定板同一侧的第一 固定座和第二固定座， 每个安装在所述球铰安装孔内的球铰固定到每个支 架的所述第一固定座和第二固定座之间。
6、 根据权利要求 1所述的后置驱动铰接客车用底盘铰接系统， 其特征 在于， 所述转盘轴承包括内圈和外圈， 所述内圈和外圈同心设置， 且相互 转动连接， 所述前架与所述转盘轴承的外圈固定连接， 所述后架与所述转 盘轴承的内圈固定连接， 所述前架和后架分别与所述转盘轴承的外、 内圈 相连接而实现相互转动。
7、 根据权利要求 6所述的后置驱动铰接客车用底盘铰接系统， 其特征在 于， 所述转盘轴承的内圈和外圈之间设置有钢珠滚道， 所述钢珠滚道内设 置复数个钢珠， 所述转盘轴承的内圈和外圈通过所述钢珠实现相互转动。
8、 根据权利要求 6所述的后置驱动铰接客车用底盘铰接系统， 所述后置 驱动铰接客车用底盘铰接系统还包括润滑装置， 所述润滑装置包括润滑器 和润滑管路， 所述润滑管路与所述钢珠滚道相通， 所述润滑器安装到所述 后架上。
9、 根据权利要求 6所述的后置驱动铰接客车用底盘铰接系统， 其特征在 于， 在所述转盘轴承的外圈上的圆周方向上间隔设置有复数个用于固定前 架的前架固定孔， 所述前架上设置有与所述前架固定孔相应的外圈固定孔; 在所述转盘轴承的内圈上的圆周方向上间隔设置有复数个用于固定后架的 后架固定孔， 所述后架上设置有与所述后架固定孔相应的内圈固定孔。
10、根据权利要求 1或 2或 8所述的后置驱动铰接客车用底盘铰接系统, 其特征在于， 所述后置驱动铰接客车用底盘铰接系统还包括左右对称设置 的电控液压阻尼缓冲装置， 所述电控液压阻尼缓冲装置的一端与所述前架 固定连接， 另一端与所述后架固定相连。
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CN203995522U (zh) * 2014-07-28 2014-12-10 伊卡路斯(苏州)车辆系统有限公司 后置驱动铰接客车用底盘铰接系统

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WO2019216759A1 (en) * 2018-05-08 2019-11-14 Transport Industry Development Centre B.V. Joint module for an articulated vehicle, articulated vehicle, and method for manufacturing such a joint module
US11999415B2 (en) 2018-05-08 2024-06-04 Jost-Werke Deutschland Gmbh Joint module for an articulated vehicle, articulated vehicle, and method for manufacturing such a joint module

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