WO2020151230A1 - 变轨距转向架构架及变轨距转向架 - Google Patents

变轨距转向架构架及变轨距转向架 Download PDF

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Publication number
WO2020151230A1
WO2020151230A1 PCT/CN2019/104847 CN2019104847W WO2020151230A1 WO 2020151230 A1 WO2020151230 A1 WO 2020151230A1 CN 2019104847 W CN2019104847 W CN 2019104847W WO 2020151230 A1 WO2020151230 A1 WO 2020151230A1
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WIPO (PCT)
Prior art keywords
gauge
pair
beams
brake caliper
mounting seat
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PCT/CN2019/104847
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English (en)
French (fr)
Inventor
陈硕
周君锋
王旭
乔青峰
郑静
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中车青岛四方机车车辆股份有限公司
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Publication of WO2020151230A1 publication Critical patent/WO2020151230A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F7/00—Rail vehicles equipped for use on tracks of different width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes

Definitions

  • the present disclosure relates to the technical field of rail vehicle gauge changing, in particular to a gauge changing bogie frame and a gauge changing bogie.
  • the existing bogie frame can no longer meet the requirements of the variable gauge.
  • the present disclosure aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • the purpose of the present disclosure is to provide a variable gauge bogie frame and a variable gauge bogie to meet the installation requirements of the variable gauge wheelset.
  • the embodiments of the present disclosure provide a variable gauge bogie frame, which includes a pair of side beams arranged in parallel and a pair of parallel beams connected between the pair of side beams, each The inner side of the side beam and the outer side of the pair of cross beams are respectively provided with a brake caliper hanger, the brake caliper hanger is a box-shaped structure, and the upper top plate of the side beam extends inward to form a The upper cover plate of the brake caliper hanger, the side plate and the bottom plate of the brake caliper hanger are welded to the upper cover plate to form the box structure; one of the two ends of the beam is Mounting seats for active anti-snaking shock absorbers are respectively provided on the outer sides of the side beams.
  • two-by-two symmetrical four-point hanging structures for installing the brake calipers are provided on both sides of the brake caliper hanger.
  • one end of the pair of side beams on the same side is respectively connected with a sand spreading device mounting seat, the other ends of the pair of side beams are respectively set as a closed box-shaped seat, and the sand spreading device is installed Both the seat and the box-shaped seat are inclined inward from the end of the side beam.
  • both the sand spreading device mounting seat and the box-shaped seat are inclined downward from the end of the side beam.
  • the two ends of the side beams are respectively connected to the sand spreading device mounting seat and the box-shaped seat through spring barrels, and a pair of the side beams upwards from the connection point with the pair of cross beams.
  • the spring barrel Inclined and extending horizontally, the spring barrel is connected to the horizontal extension end of the side beam, and the lower part of the spring barrel forms an escape space for the variable gauge axle box; the mounting seat of the sand spreading device and the box-shaped seat A series of vertical shock absorber installation interfaces are left at the ends.
  • the active anti-snaking damper mounting seat adopts an integrated forging structure and is welded to both ends of the cross beam.
  • the span between the pair of side beams is increased, and the increased distance is equal to the variable gauge pitch.
  • a motor mounting seat and a gear box mounting seat are respectively installed on the beam, and the extension length of the brake caliper hanger is close to the motor mounting seat and the gear box mounting seat.
  • a common anti-snaking shock absorber mounting seat is provided at the middle part between the pair of cross beams outside the side beam; a pair of auxiliary longitudinal beams are connected between the pair of cross beams.
  • the embodiments of the present disclosure also provide a gauge-changeable bogie, which includes a pair of gauge-changeable wheels and the gauge-changeable bogie frame as described in the above technical solution, and the pair of gauge-changeable wheel pairs are respectively arranged at The outer side of a pair of cross beams is located between a pair of side beams, and a brake caliper is installed on the brake caliper hanger, and the brake caliper is used to follow the The wheels of the gauge-changing wheel set move together and hold the wheels tightly when the vehicle is braking.
  • the present disclosure has the following advantages:
  • An embodiment of the present disclosure provides a variable gauge bogie frame, which includes a pair of side beams arranged in parallel and a pair of parallel beams connected between the pair of side beams.
  • Brake caliper hangers are provided on the inner side and on the outer side of the pair of cross beams.
  • the brake caliper hangers are arranged on the inner side of the side beams, which can avoid the parts on the gauge-changing wheel set reasonably and avoid interference.
  • the brake caliper hanger is a box-shaped structure, and the upper top plate of the side beam is used to install the brake caliper hanger and extends inward to form the brake caliper hanger.
  • the upper cover plate, the upper cover plate of the brake caliper hanger and the upper top plate of the side beam are an integral structure, which can increase the strength of the brake caliper hanger and save the time for installing the upper cover.
  • the side plate and the bottom plate of the clamp hanger are welded to the upper cover plate to form the box-shaped structure, which has high overall strength and is easy to install; one of the two ends of the cross beam and located on the outside of the side beam are respectively provided
  • the mounting seat of the active anti-snaking shock absorber has a reasonable and reliable setting position, which is convenient to install the active anti-snaking shock absorber.
  • the present disclosure newly designs an active anti-snake damper mounting seat, a brake caliper hanger seat, and a sand spreading device mounting seat at the end of the side beam to realize the reasonable arrangement of various components and meet the space installation requirements of the variable gauge wheelset.
  • Figure 1 is a top view of a gage-changing bogie frame according to an embodiment of the disclosure
  • Figure 2 is a side view of a variable gauge bogie frame according to an embodiment of the disclosure
  • 1 side beam
  • 2 cross beam
  • 3 brake caliper hanger
  • 4 active anti-snaking shock absorber mounting seat
  • 5 ordinary anti-snaking shock absorber mounting seat
  • 6 sanding device mounting seat
  • 7 Box seat
  • 8 Spring barrel
  • 9 Motor mounting seat
  • 10 Gear box mounting seat.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • installed e.g., it may be a fixed connection or a detachable connection.
  • Connected or integrally connected it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • the specific meanings of the above-mentioned terms in the present disclosure can be understood according to specific circumstances.
  • a variable gauge bogie frame provided by an embodiment of the present disclosure includes a pair of side beams 1 arranged in parallel and a pair connected between the pair of side beams 1
  • the beams 2 arranged in parallel form an H-shaped welded frame.
  • the beam 2 can be a straight steel pipe structure, and the side beam 1 can be a box-shaped structure formed by welding steel plates.
  • a pair of auxiliary beams 2 can be connected between The longitudinal beams are used to enhance the overall strength of the frame.
  • each side beam 1 and the outer side of the pair of cross beams 2 are respectively provided with brake caliper hangers 3 for Install the brake caliper, set the brake caliper hanger 3 on the inner side of the side beam 1, which can reasonably avoid the parts on the gauge-changing wheel set, avoid interference, and make reasonable use of the inner space of the side beam 1.
  • the movable caliper hanger 3 is a box-shaped structure. The upper top plate of the side beam 1 is used to install the brake caliper hanger 3 and extends inward to form an upper cover plate of the brake caliper hanger 3.
  • the upper cover plate of the caliper hanger 3 and the upper top plate of the side beam 1 are an integral structure, so that the strength of the brake caliper hanger 3 can be enhanced, and the time for installing the upper cover can be saved.
  • the side plate and the bottom plate are welded with the upper cover plate to form the box-shaped structure.
  • the upper cover plate, the side plate and the bottom plate can all be steel plates to form forgings and welded, with high overall strength and easy installation; one of them Both ends of the cross beam 2 and located on the outside of the side beam 1 are respectively provided with an active anti-snaking damper mounting seat 4, the active anti-snaking damper mounting seat 4 adopts a forging integral structure and is welded to the
  • the two ends of the beam 2 have a simple structure, which is convenient for welding operation and processing, and the position is set reasonably, which can facilitate the installation of active anti-snaking shock absorbers for the gauge-changing bogie.
  • the side beam 1 is located outside of a pair of the beams 2 In the middle of the room, there is an ordinary anti-snaking damper mounting seat 5 for installing ordinary anti-snaking damper.
  • the active anti-snaking damper and the ordinary anti-snaking damper are both located on the outside of the side beam 1, between the two Leave a distance to prevent interference.
  • two symmetrical four-point hanging structures for installing the brake caliper are provided on both sides of the brake caliper hanger 3, and the brake caliper may include two clamping arms. The two ends of each clamping arm are respectively connected in pairs with a four-point hanging structure.
  • the brake clamp is a movable follower clamp for the wheels of the gauge-changeable wheel set.
  • the ends of the pair of side beams 1 on the same side are respectively connected to the sand spreading device mounting seat 6 for connecting the sand spreading device, and the other ends of the pair of side beams 1 are respectively set to be closed
  • the box-shaped seat 7 has a simple structure. Both the sand-spreading device mounting seat 6 and the box-shaped seat 7 are inclined inwardly from the end of the side beam 1 to form an inner eight-shaped structure, which is realized on the basis of satisfying strength. Make room for the lower structure of the car body.
  • the sand spreading device mounting seat 6 and the box-shaped seat 7 are both inclined downward from the end of the side beam 1, so as to realize space avoidance according to the specific structure of the variable gauge wheelset, which is reasonable
  • the use of limited space also facilitates sanding the track.
  • the two ends of the side beam 1 are respectively connected to the sand spreading device mounting seat 6 and the box-shaped seat 7 through a spring tube 8, and a pair of the side beams 1 are connected to the pair of The joint of the cross beam 2 is inclined upward and extends horizontally.
  • the spring cylinder 8 is connected to the horizontal extension end of the side beam 1, and the lower part of the spring cylinder 8 forms an escape space for the variable gauge axle box.
  • the axle box body needs to install a locking mechanism for the gauge variable axle box.
  • the volume of the gauge variable axle box body becomes larger.
  • a vertical spring for damping is set between the spring barrel 8 and the gauge-changing axle box; the end of the sand spreading device mounting seat 6 and the box-shaped seat 7 are respectively left with a vertical damper mounting interface,
  • the overall height of the installation interface of the first series of vertical shock absorbers is raised to realize reasonable space avoidance and meet the space requirements of variable gauge wheel sets.
  • the span between a pair of side beams 1 is enlarged, and the enlarged distance is equal to the variable gauge pitch, so as to adapt to the variable gauge requirement of the variable gauge wheelset. It is understandable that one The span between the side beams 1 should be adapted to the large gauge after the gauge is changed from small to large.
  • the motor mounting seat 9 and the gear box mounting seat 10 are respectively installed on the beam 2 and the motor mounting seat 9 and the gear box mounting seat 10 on the two beams 2 are reversed. It is arranged symmetrically, the extension length of the brake caliper hanger 3 is close to the motor mounting base 9 and the gear box mounting base 10, and the overall structure is compact and avoids each other.
  • the embodiment of the present disclosure also provides a gauge-changeable bogie, which includes a pair of gauge-changeable wheels and the gauge-changeable bogie frame as described in the above technical solution, as shown in Figures 1 and 2, a pair of said The gauge-changing wheels are respectively arranged on the outer side of the pair of cross beams 2 and located between the pair of side beams 1.
  • the brake caliper hanger 3 is equipped with brake calipers, and the brake caliper The caliper is used to move with the wheels of the gauge-changing wheel set when the train is changing the gauge, and to hold the wheel tightly when the vehicle is braking to achieve braking or deceleration; it can meet the space requirements for the installation of the gauge-changing wheel set .
  • the newly designed active anti-snake damper mount 4, brake caliper hanger 3, and sand spreading device mount 6 at the end of the side beam 1 the reasonable installation of various components is realized and the structural strength requirements are met.
  • the present disclosure realizes various functions by newly designing the bogie frame and the active anti-snaking damper mount, brake caliper hanger, and side beam end sanding device mount on the bogie frame.
  • the components are reasonably arranged to meet the space installation requirements of the variable gauge wheelset.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

一种变轨距转向架构架及变轨距转向架，其包括平行设置的一对侧梁（1）和连接在一对所述侧梁（1）之间的一对平行设置的横梁（2），每个所述侧梁（1）的内侧且位于一对所述横梁（2）的外侧分别设有制动夹钳吊座（3），所述制动夹钳吊座（3）为箱型结构，所述侧梁（1）的上顶板向内延伸形成所述制动夹钳吊座（3）的上盖板，所述制动夹钳吊座（3）的侧板与底板焊接后与所述上盖板焊接为所述箱型结构；其中一个所述横梁（2）的两端且位于所述侧梁（1）的外侧分别设有主动抗蛇行减振器安装座（4）。该变轨距转向架通过对构架结构重新设计，能够满足变轨距轮对的安装要求。

Description

变轨距转向架构架及变轨距转向架
相关申请的交叉引用
本申请要求于2019年1月24日提交的申请号为201910067130.X，发明名称为“变轨距转向架构架及变轨距转向架”的中国专利申请的优先权，其通过引用方式全部并入本公开。
技术领域
本公开涉及轨道车辆变轨距技术领域，特别是涉及一种变轨距转向架构架及变轨距转向架。
背景技术
为了满足邻近国家不同轨距轨道间的运输要求，现多在交界处更换不同轮对内侧距的转向架，该方案成本高、耗时长。西班牙和日本先后发明了变轨距转向架，轮对能够在不同轨距轨道间连续运行。
为了适应轮对变轨距的要求，现有的转向架构架已经无法满足变轨距的使用要求。
发明内容
(一)要解决的技术问题
本公开旨在至少解决现有技术或相关技术中存在的技术问题之一。
本公开的目的是提供一种变轨距转向架构架及变轨距转向架，以满足变轨距轮对的安装要求。
(二)技术方案
为了解决上述技术问题，本公开实施例提供一种变轨距转向架构架，其包括平行设置的一对侧梁和连接在一对所述侧梁之间的一对平行设置的横梁，每个所述侧梁的内侧且位于一对所述横梁的外侧分别设有制动夹钳吊座，所述制动夹钳吊座为箱型结构，所述侧梁的上顶板向内延伸形成所述制动夹钳吊座的上盖板，所述制动夹钳吊座的侧板与底板焊接后与所述上盖板焊接为所述箱型结构；其中一个所述横梁的两端且位于所述侧梁的外侧分别设有主动抗蛇行减振器安装座。
本公开实施例中，所述制动夹钳吊座的两侧设有两两对称的用于安装制动夹钳的四点吊挂结构。
本公开实施例中，一对所述侧梁位于同一侧的一端分别连接有撒砂装置安装座，一对所述侧梁的另一端分别设置为封闭的箱型座，所述撒砂装置安装座与所述箱型座均从所述侧梁的端部向内倾斜。
本公开实施例中，所述撒砂装置安装座与所述箱型座均从所述侧梁的端部向下倾斜。
本公开实施例中，所述侧梁的两端分别通过弹簧筒与所述撒砂装置安装座以及所述箱型座连接，一对所述侧梁从与所述一对横梁的连接处向上倾斜并向水平延伸，所述弹簧筒与所述侧梁的水平延伸端连接，所述弹簧筒的下方形成变轨距轴箱体的避让空间；所述撒砂装置安装座以及箱型座的端部分别留有一系垂向减振器安装接口。
本公开实施例中，所述主动抗蛇行减振器安装座采用锻件一体结构，并焊接至所述横梁的两端。
本公开实施例中，一对所述侧梁之间的跨距加大，加大的距离等于变轨距间距。
本公开实施例中，所述横梁上分别安装有电机安装座和齿轮箱安装座，所述制动夹钳吊座的延伸长度靠近所述电机安装座和齿轮箱安装座。
本公开实施例中，所述侧梁外位于一对所述横梁之间的中部设有普通抗蛇行减振器安装座；一对所述横梁之间连接有一对辅助纵梁。
本公开实施例还提供一种变轨距转向架，其包括一对变轨距轮对和如上述技术方案所述的变轨距转向架构架，一对所述变轨距轮对分别设于一对所述横梁的外侧且位于一对所述侧梁之间，所述制动夹钳吊座上安装有制动夹钳，所述制动夹钳用于在变轨距时跟随所述变轨距轮对的车轮一起移动，并在车辆制动时抱紧所述车轮。
(三)有益效果
与现有技术相比，本公开具有以下优点：
本公开实施例提供的一种变轨距转向架构架，其包括平行设置的一对侧梁和连接在一对所述侧梁之间的一对平行设置的横梁，每个所述侧梁的内侧且位于一对所述横梁的外侧设有制动夹钳吊座，将制动夹钳吊座设于 侧梁的内侧，能够合理避让变轨距轮对上的部件，避免发生干涉，合理利用侧梁的内侧空间，所述制动夹钳吊座为箱型结构，所述侧梁的上顶板用于安装制动夹钳吊座处向内延伸形成所述制动夹钳吊座的上盖板，制动夹钳吊座的上盖板与侧梁的上顶板为一体结构，从而能够增强制动夹钳吊座的强度，而且节省安装上盖板的时间，所述制动夹钳吊座的侧板与底板焊接后与所述上盖板焊接为所述箱型结构，整体强度高，安装方便；其中一个所述横梁的两端且位于所述侧梁的外侧分别设有主动抗蛇行减振器安装座，设置位置合理、可靠，便于安装主动抗蛇行减振器。本公开全新设计主动抗蛇行减振器安装座、制动夹钳吊座、侧梁端部的撒砂装置安装座，实现各部件合理布置，满足变轨距轮对的空间安装要求。
附图说明
图1为本公开实施例一种变轨距转向架构架的俯视图；
图2为本公开实施例一种变轨距转向架构架的侧视图；
图中：1：侧梁；2：横梁；3：制动夹钳吊座；4：主动抗蛇行减振器安装座；5：普通抗蛇行减振器安装座；6：撒砂装置安装座；7：箱型座；8：弹簧筒；9：电机安装座；10：齿轮箱安装座。
具体实施方式
下面结合附图和实施例，对本公开的具体实施方式作进一步详细描述。以下实施例用于说明本公开，但不用来限制本公开的范围。
在本公开的描述中，需要说明的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，其中，以两个侧梁之间或两个横梁之间为“内”，两个侧梁之外或两个横梁之外为“外”，并不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本公开的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接， 也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以视具体情况理解上述术语在本公开中的具体含义。
此外，在本公开的描述中，除非另有说明，“多个”、“多根”、“多组”的含义是两个或两个以上。
如图1和图2所示，为本公开实施例提供的一种变轨距转向架构架，其包括平行设置的一对侧梁1和连接在一对所述侧梁1之间的一对平行设置的横梁2，组成H型焊接构架，横梁2可以为直钢管结构，侧梁1可以为由钢板焊接形成的箱型结构，此外，一对所述横梁2之间还可以连接有一对辅助纵梁，以增强构架的整体强度，为满足安装接口和强度要求，每个所述侧梁1的内侧且位于一对所述横梁2的外侧分别设有制动夹钳吊座3，用于安装制动夹钳，将制动夹钳吊座3设于侧梁1的内侧，能够合理避让变轨距轮对上的部件，避免发生干涉，合理利用侧梁1的内侧空间，所述制动夹钳吊座3为箱型结构，所述侧梁1的上顶板用于安装制动夹钳吊座3处向内延伸形成所述制动夹钳吊座3的上盖板，制动夹钳吊座3的上盖板与侧梁1的上顶板为一体结构，从而能够增强制动夹钳吊座3的强度，而且节省安装上盖板的时间，所述制动夹钳吊座3的侧板与底板焊接后与所述上盖板焊接为所述箱型结构，上盖板、侧板以及底板均可以为钢板，形成锻件焊接而成，整体强度高，安装方便；其中一个所述横梁2的两端且位于所述侧梁1的外侧分别设有主动抗蛇行减振器安装座4，所述主动抗蛇行减振器安装座4采用锻件一体结构，并焊接至所述横梁2的两端，结构简单，便于焊接操作及加工，位置设置合理，能够方便安装变轨距转向架用的主动抗蛇行减振器，所述侧梁1外位于一对所述横梁2之间的中部设有普通抗蛇行减振器安装座5，用于安装普通抗蛇行减振器，主动抗蛇行减振器与普通抗蛇行减振器均位于侧梁1的外侧，两者之间留有防干涉的距离。
本公开实施例中，所述制动夹钳吊座3的两侧设有两两对称的用于安装制动夹钳的四点吊挂结构，制动夹钳可以包括两个夹臂，两个夹臂的两端分别与四点吊挂结构两两连接，具体地，制动夹钳为随变轨距轮对的车 轮可移动的随动夹钳。
本公开实施例中，一对所述侧梁1位于同一侧的一端分别连接有撒砂装置安装座6，用于连接撒砂装置，一对所述侧梁1的另一端分别设置为封闭的箱型座7，结构简单，所述撒砂装置安装座6与所述箱型座7均从所述侧梁1的端部向内倾斜，形成内八字形结构，实现在满足强度基础上，为车体下部结构避让空间。
本公开实施例中，所述撒砂装置安装座6与所述箱型座7均从所述侧梁1的端部向下倾斜，以根据变轨距轮对的具体结构实现空间避让，合理利用有限空间，也便于向轨道撒砂。
本公开实施例中，所述侧梁1的两端分别通过弹簧筒8与所述撒砂装置安装座6以及所述箱型座7连接，一对所述侧梁1从与所述一对横梁2的连接处向上倾斜并向水平延伸，所述弹簧筒8与所述侧梁1的水平延伸端连接，所述弹簧筒8的下方形成变轨距轴箱体的避让空间，变轨距轴箱体中需要安装变轨距用的锁紧机构，变轨距轴箱体的体积变大，通过将侧梁1的两侧向上抬高，能够合理避让变轨距轴箱体的上端，弹簧筒8与变轨距轴箱体之间用于设置减振的垂向弹簧；所述撒砂装置安装座6以及箱型座7的端部分别留有一系垂向减振器安装接口，一系垂向减振器安装接口整体高度抬高，实现空间合理避让，满足变轨距轮对空间要求。
本公开实施例中，一对所述侧梁1之间的跨距加大，加大的距离等于变轨距间距，从而适应变轨距轮对的变轨距要求，可以理解的是，一对所述侧梁1之间的跨距应该适应轨距由小变大后的大轨距。
本公开实施例中，为了方便安装电机以及齿轮箱，所述横梁2上分别安装有电机安装座9和齿轮箱安装座10，两个横梁2上的电机安装座9和齿轮箱安装座10反向对称设置，所述制动夹钳吊座3的延伸长度靠近所述电机安装座9和齿轮箱安装座10，整体结构紧凑且相互避让。
本公开实施例还提供一种变轨距转向架，其包括一对变轨距轮对和如上述技术方案所述的变轨距转向架构架，如图1和2所示，一对所述变轨距轮对分别设于一对所述横梁2的外侧且位于一对所述侧梁1之间，所述制动夹钳吊座3上安装有制动夹钳，所述制动夹钳用于在列车变轨距时跟随所述变轨距轮对的车轮一起移动，并在车辆制动时抱紧所述车轮，实现 刹车或减速；能够满足变轨距轮对安装的空间要求。通过全新设计主动抗蛇行减振器安装座4、制动夹钳吊座3、侧梁1端部的撒砂装置安装座6，实现各部件合理安装，满足结构强度要求。
由以上实施例可以看出，本公开通过全新设计转向架构架以及转向架构架上的主动抗蛇行减振器安装座、制动夹钳吊座、侧梁端部撒砂装置安装座，实现各部件合理布置，满足变轨距轮对的空间安装要求。
以上所述仅为本公开的较佳实施例而已，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (10)

  1. 一种变轨距转向架构架，其特征在于，包括平行设置的一对侧梁和连接在一对所述侧梁之间的一对平行设置的横梁，每个所述侧梁的内侧且位于一对所述横梁的外侧分别设有制动夹钳吊座，所述制动夹钳吊座为箱型结构，所述侧梁的上顶板向内延伸形成所述制动夹钳吊座的上盖板，所述制动夹钳吊座的侧板与底板焊接后与所述上盖板焊接为所述箱型结构；其中一个所述横梁的两端且位于所述侧梁的外侧分别设有主动抗蛇行减振器安装座。
  2. 根据权利要求1所述的变轨距转向架构架，其特征在于，所述制动夹钳吊座的两侧设有两两对称的用于安装制动夹钳的四点吊挂结构。
  3. 根据权利要求1所述的变轨距转向架构架，其特征在于，一对所述侧梁位于同一侧的一端分别连接有撒砂装置安装座，一对所述侧梁的另一端分别设置为封闭的箱型座，所述撒砂装置安装座与所述箱型座均从所述侧梁的端部向内倾斜。
  4. 根据权利要求3所述的变轨距转向架构架，其特征在于，所述撒砂装置安装座与所述箱型座均从所述侧梁的端部向下倾斜。
  5. 根据权利要求3所述的变轨距转向架构架，其特征在于，所述侧梁的两端分别通过弹簧筒与所述撒砂装置安装座以及所述箱型座连接，一对所述侧梁从与所述一对横梁的连接处向上倾斜并向水平延伸，所述弹簧筒与所述侧梁的水平延伸端连接，所述弹簧筒的下方形成变轨距轴箱体的避让空间；所述撒砂装置安装座以及箱型座的端部分别留有一系垂向减振器安装接口。
  6. 根据权利要求1所述的变轨距转向架构架，其特征在于，所述主动抗蛇行减振器安装座采用锻件一体结构，并焊接至所述横梁的两端。
  7. 根据权利要求1所述的变轨距转向架构架，其特征在于，一对所述侧梁之间的跨距加大，加大的距离等于变轨距间距。
  8. 根据权利要求1所述的变轨距转向架构架，其特征在于，所述横梁上分别安装有电机安装座和齿轮箱安装座，所述制动夹钳吊座的延伸长度靠近所述电机安装座和齿轮箱安装座。
  9. 根据权利要求1所述的变轨距转向架构架，其特征在于，所述侧梁 外位于一对所述横梁之间的中部设有普通抗蛇行减振器安装座；一对所述横梁之间连接有一对辅助纵梁。
  10. 一种变轨距转向架，其特征在于，包括一对变轨距轮对和如权利要求1-9任一项所述的变轨距转向架构架，一对所述变轨距轮对分别设于一对所述横梁的外侧且位于一对所述侧梁之间，所述制动夹钳吊座上安装有制动夹钳，所述制动夹钳用于在变轨距时跟随所述变轨距轮对的车轮一起移动，并在车辆制动时抱紧所述车轮。
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