阅读说明：本技术 一种铰接轻轨车用的非动力转向架及列车 (Non-power bogie for hinged light rail vehicle and train ) 是由 刘洋 莘海萍 王家鑫 王宏图 郭继祥 于 2020-03-25 设计创作，主要内容包括：本发明提供了一种铰接轻轨车用的非动力转向架及列车,属于轨道车辆技术领域,包括主梁、边梁、枕梁和回转支撑体。主梁的两端均连接有边梁,两个边梁两端的下方安装有用于连接非动力轮对的第一减振组件,主梁的两侧安装有基础制动组件,基础制动组件位于两个边梁的内侧,边梁的下方设有磁轨制动组件；枕梁设于主梁的上方,枕梁与主梁之间设有第二减振组件,枕梁与边梁之间设有第三减振组件；回转支撑体设于枕梁的上方,用于连接相邻车厢。本发明提供的一种铰接轻轨车用的非动力转向架,提高了车辆的制动效果,确保列车可高速行驶的安全性。提高了车辆的减振效果,进一步地提高转向架总体的稳定性能。(The invention provides a non-power bogie for an articulated light rail vehicle and a train, belonging to the technical field of rail vehicles. The two ends of the main beam are both connected with edge beams, first vibration reduction assemblies for connecting non-power wheel pairs are mounted below the two ends of the two edge beams, foundation brake assemblies are mounted on the two sides of the main beam and located on the inner sides of the two edge beams, and magnetic track brake assemblies are mounted below the edge beams; the sleeper beam is arranged above the main beam, a second vibration damping assembly is arranged between the sleeper beam and the main beam, and a third vibration damping assembly is arranged between the sleeper beam and the boundary beam; the rotary supporting body is arranged above the sleeper beam and used for connecting adjacent carriages. The non-power bogie for the hinged light rail vehicle improves the braking effect of the vehicle and ensures the safety of high-speed running of a train. The vibration damping effect of the vehicle is improved, and the overall stability of the bogie is further improved.)

1. A non-powered truck for an articulated light rail vehicle, comprising:

the damping device comprises a main beam, two ends of the main beam are both connected with edge beams, first damping assemblies for connecting non-power wheel pairs are mounted below the two ends of the two edge beams, foundation braking assemblies are mounted on the two sides of the main beam and located on the inner sides of the two edge beams, and magnetic track braking assemblies are mounted below the edge beams;

the sleeper beam is arranged above the main beam, a second vibration damping assembly is arranged between the sleeper beam and the main beam, and a third vibration damping assembly is arranged between the sleeper beam and the side beam;

and the rotary supporting body is arranged above the sleeper beam and is used for connecting adjacent carriages.

2. A non-powered truck for an articulated light rail vehicle according to claim 1, further comprising a drag link, said drag link having ends pivotally connecting said side rails and said bolster.

3. A non-powered truck for an articulated light rail vehicle according to claim 1 wherein the side rails are provided at each end with a wheel housing assembly, said wheel housing assemblies being mounted above said wheels.

4. The non-power bogie of claim 1, further comprising an axle box for being mounted on an outer side of a wheel, wherein the first damping member is mounted on the axle box, a suspension ring is disposed on an outer side of the axle box, and an anti-slip portion is disposed on the side beam and penetrates through the suspension ring.

5. The non-powered bogie of claim 1, wherein the main beam is fixedly provided with brake hanging seats on both sides, and the foundation brake assembly is mounted on the brake hanging seats.

6. A non-powered bogie as claimed in any one of claims 1 to 5 in which the upper end of the side beam is provided with a pipe socket for mounting the foundation brake assembly pipe.

7. The non-power bogie of claim 6, wherein the tube nest comprises a base plate, the lower part of the two ends of the base plate is provided with a connecting part extending downwards, the upper part of the base plate is provided with a plurality of mounting seats at intervals along the length direction of the base plate, the mounting seats are matched with cover plates in an inserted mode, and a channel for mounting the basic brake assembly pipeline is formed between the mounting seats and the cover plates.

8. The non-power bogie for articulated light rail vehicle according to claim 7, wherein threaded holes are provided on both sides of the mounting seat, connecting holes are provided on the cover plate corresponding to the threaded holes, and the cover plate is screwed into the threaded holes through the connecting holes by bolts for connecting to the mounting seat.

9. A train comprising a non-powered bogie for an articulated light rail vehicle according to any one of claims 1 to 8.

Technical Field

The invention belongs to the technical field of railway vehicles, and particularly relates to a non-power bogie for an articulated light rail vehicle and a train.

Background

With the acceleration of urbanization pace in China, social connection and economic connection between cities are tighter, people in cities travel more frequently, and a fast and convenient light rail becomes the most convenient vehicle. The requirement of meeting the requirements of low platform, multi-point stop, large starting acceleration and rapid taking-off and landing is a necessary trend of light rail railway development.

The light rail vehicle adopts the articulated bogie, so that two adjacent vehicles share one bogie at the vehicle joint, the front vehicle and the rear vehicle are connected by the bogie through the articulated device, and the adjacent carriages are connected by the bogie, so that the use of a coupler can be reduced, and the possibility of generating noise is also reduced.

The existing articulated bogie is generally a frame structure formed by enclosing side beams and end beams, a basic braking clamp is arranged on the end beams, the braking effect is limited, and potential safety hazards exist when a train runs at high speed. In addition, the end beam is lack of a damping device, so that the joint of the side beam and the end beam of the bogie is prone to vibration fatigue, the nodding and sinking-floating self frequency of the bogie is increased, the stability of the bogie is poor, the length of the side beam is increased due to the arrangement of the end beam, and the capability of the bogie passing through a small curve of a line is reduced.

Disclosure of Invention

The invention aims to provide a non-power bogie for an articulated light rail vehicle, and aims to solve the problems that the braking effect of a basic braking clamp is limited, the running speed of a train is limited, the stability of the bogie is poor, and the capability of the bogie passing a small curve of a line is low.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a non-powered truck for an articulated light rail vehicle, comprising:

the damping device comprises a main beam, two ends of the main beam are both connected with edge beams, first damping assemblies for connecting non-power wheel pairs are mounted below the two ends of the two edge beams, foundation braking assemblies are mounted on the two sides of the main beam and located on the inner sides of the two edge beams, and magnetic track braking assemblies are mounted below the edge beams;

the sleeper beam is arranged above the main beam, a second vibration damping assembly is arranged between the sleeper beam and the main beam, and a third vibration damping assembly is arranged between the sleeper beam and the side beam;

and the rotary supporting body is arranged above the sleeper beam and is used for connecting adjacent carriages.

As another embodiment of the application, the side beam sleeper beam further comprises a traction pull rod, and two ends of the traction pull rod are rotatably connected with the side beam and the sleeper beam.

As another embodiment of the application, two ends of the side beam are provided with wheel cover assemblies, and the wheel cover assemblies are covered above the wheels.

As another embodiment of this application, still include the axle box, the axle box is used for installing in the outside of wheel, first damping subassembly install in on the axle box, the axle box outside is equipped with rings, be equipped with on the boundary beam and wear to locate anti-disengaging portion in the rings.

As another embodiment of this application, the both sides of girder all set firmly the braking and hang the seat, basic brake subassembly install in on the braking hangs the seat.

As another embodiment of the application, the upper end of the boundary beam is provided with a pipe stacking seat for installing the pipeline of the foundation brake assembly.

As another embodiment of this application, pipe sign indicating number seat includes the base plate, the lower part at base plate both ends is equipped with the connecting portion of downwardly extending, the upper portion of base plate is equipped with a plurality of mount pads along its length direction interval, the cooperation of pegging graft on the mount pad has the apron, the mount pad with form between the apron and be used for the installation the passageway of basic brake subassembly pipeline.

As another embodiment of this application, the both sides of mount pad are equipped with the screw hole, the apron corresponds the position of screw hole is equipped with the connecting hole, the apron runs through the bolt connecting hole spiro union in be used for in the screw hole connecting on the mount pad.

The non-power bogie for the articulated light rail vehicle has the advantages that: compared with the prior art, the non-power bogie for the articulated light rail vehicle comprises the main beam and the boundary beams at two ends, the end beam structure is omitted, the basic brake assembly is arranged on the inner side of the bogie, and the magnetic track brake assembly is additionally arranged below the boundary beams, so that the brake effect of the vehicle is improved, and the safety of high-speed running of a train is ensured. The first vibration reduction assemblies are respectively arranged on the non-power wheel pairs, the second vibration reduction assemblies are arranged between the sleeper beam and the main beam, and the third vibration reduction assemblies are arranged between the sleeper beam and the side beams, so that the vibration reduction effect of the vehicle is improved, and the overall stability of the bogie is further improved.

The invention also provides a train which comprises the non-power bogie for the hinged light rail vehicle.

Compared with the prior art, the train provided by the invention has the beneficial effects that the non-power bogie for the hinged light rail vehicle is used, the braking effect of the train is ensured, the damping effect of the train is improved, the overall stability of the bogie is further improved, and the details are not repeated herein.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a non-powered truck for an articulated light rail vehicle according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic structural view of a main beam and an edge beam of a non-powered bogie for an articulated light rail vehicle according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a mounting base according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the mounting base and the cover plate provided by the embodiment of the invention after being mounted.

In the figure: 1. a main beam; 2. a boundary beam; 3. a first vibration reduction assembly; 4. a foundation brake assembly; 5. a magnetic track brake assembly; 6. a bolster; 7. a second vibration reduction assembly; 8. a third vibration reduction assembly; 9. a rotary support body; 10. a traction pull rod; 11. a wheel cover assembly; 12. an axle box; 13. a hoisting ring; 14. an anti-drop part; 15. a brake hanging seat; 16. a pipe stacking base; 17. a substrate; 18. a connecting portion; 19. a mounting seat; 20. a cover plate; 21. a channel; 22. a threaded hole; 23. and connecting the holes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a non-powered bogie for an articulated light rail vehicle according to the present invention will now be described. A non-power bogie for an articulated light rail vehicle comprises a main beam 1, an edge beam 2, a sleeper beam 6 and a rotary support body 9.

The two ends of the main beam 1 are both connected with edge beams 2, first vibration reduction assemblies 3 used for connecting non-power wheel pairs are installed below the two ends of the two edge beams 2, basic brake assemblies 4 are installed on the two sides of the main beam 1, the basic brake assemblies 4 are located on the inner sides of the two edge beams 2, and magnetic track brake assemblies 5 are arranged below the edge beams 2; the sleeper beam 6 is arranged above the main beam 1, a second vibration damping assembly 7 is arranged between the sleeper beam 6 and the main beam 1, and a third vibration damping assembly 8 is arranged between the sleeper beam 6 and the boundary beam 2; the rotary support body 9 is arranged above the sleeper beam 6 and used for connecting adjacent carriages.

The girder 1 and the boundary beam 2 are integrally formed, and the middle part of the boundary beam 2 is connected to the end part of the girder 1 and is vertical to the girder 1. The boundary beam 2 comprises an inclined section extending upwards from the main beam 1 in an inclined manner and a horizontal section connected with the tail end of the inclined section, and the horizontal section of the boundary beam 2 is higher than the main beam 1. The non-power wheel pairs of two adjacent carriages are positioned at two sides of the main beam 1 and are respectively connected below the horizontal section of the boundary beam 2.

The first vibration reduction component 3 is a primary rubber spring, the second vibration reduction component 7 is a secondary rubber spring, and the third vibration reduction component 8 is a vertical spring for vibration reduction.

Two brake discs are arranged on the wheel shaft of the non-power wheel pair, and the basic brake assembly 4 is correspondingly connected with the brake discs; the magnetic track brake assembly 5 is arranged below the boundary beam 2 through bolts, is positioned between two wheels on a rail surface, and rubs on a steel rail after being triggered by electric energy.

The slewing support body 9 comprises a first connecting portion 18 and a second connecting portion 18, the first connecting portion 18 and the second connecting portion 18 are rotatably connected through a rotating shaft, and the first connecting portion 18 and the second connecting portion 18 are respectively connected with adjacent carriages through bolts. When the vehicle moves in a linear line, the rotary supporting body is only used as a bearing structure and plays a role in transferring vertical load to adjacent carriages, so that the vertical load of the vehicle can be well transferred to the track. When the vehicle moves in a curved line, the slewing bearing structure serves as a bearing structure, circular motion of the slewing bearing structure is generated through the rotating shaft, and vertical load of the vehicle is transmitted, so that the vertical load of the vehicle can be well transmitted to the rail.

Compared with the prior art, the non-power bogie for the hinged light rail vehicle comprises a main beam 1 and edge beams 2 at two ends, an end beam structure is omitted, a basic brake assembly 4 is arranged on the inner side of the bogie, and a magnetic track brake assembly 5 is additionally arranged below the edge beams 2, so that the braking effect of the vehicle is improved, and the safety of high-speed running of a train is ensured. The first vibration reduction assembly 3 is respectively arranged on the non-power wheel pair, the second vibration reduction assembly 7 is arranged between the sleeper beam 6 and the main beam 1, and the third vibration reduction assembly 8 is arranged between the sleeper beam 6 and the side beam 2, so that the vibration reduction effect of the vehicle is improved, and the overall stability of the bogie is further improved.

Referring to fig. 1 to 2, the non-powered bogie for the articulated light rail vehicle according to an embodiment of the present invention further includes a towing pull rod 10, and two ends of the towing pull rod 10 are rotatably connected to the side beam 2 and the bolster 6. In this embodiment, two ends of one side of the sleeper beam 6 are respectively and fixedly provided with a first mounting seat 19, and the two first mounting seats 19 are symmetrically arranged; the outside symmetry of two boundary beam 2 with the one end is provided with second mount pad 19, all rotates in first mount pad 19 and the second mount pad 19 and installs the axis of rotation, the axial mutually perpendicular of two axis of rotation. Two ends of the traction pull rod 10 are respectively and fixedly provided with a connecting ring, and the two connecting rings are axially and vertically arranged. The two connecting rings are respectively sleeved on the two rotating shafts, and a gap exists between the connecting rings and the rotating shafts. When the sleeper beam 6 or the boundary beam 2 vibrates, the traction pull rod 10 can buffer the vibration, and the sleeper beam 6 and the boundary beam 2 are drawn to ensure the stability of the relative positions of the sleeper beam 6 and the boundary beam 2.

Referring to fig. 1 to 2, as an embodiment of a non-power bogie for an articulated light rail vehicle according to the present invention, a wheel housing assembly 11 is disposed at two ends of an edge beam 2, and the wheel housing assembly 11 is covered above a wheel. In this embodiment, the wheel house assembly 11 is an arc-shaped cover, is mounted on the inner side of the side beam 2 through bolts, and covers the upper part of the wheel, so that muddy water can be prevented from splashing on a base and equipment at the lower part of the vehicle.

Referring to fig. 1 and 3, the non-powered bogie for the articulated light rail vehicle further includes an axle box 12, the axle box 12 is configured to be mounted on an outer side of a wheel, the first damping assembly 3 is mounted on the axle box 12, a suspension ring 13 is disposed on an outer side of the axle box 12, and an anti-dropping portion 14 disposed in the suspension ring 13 is disposed on the side beam 2. In this embodiment, the axle box 12 is installed in the outside of wheel, and the both sides of axle box 12 are equipped with the horizontally arranged bearing board that outwards extends, have seted up the mounting hole on the bearing board, and the lower extreme of one series of rubber spring is equipped with the protruding structure with the mounting hole adaptation, and this protruding structure inserts in the mounting hole, and two upper ends of one series of rubber spring are equipped with protruding structure equally for connect boundary beam 2. The axle housing 12 achieves a damping effect by means of a bearing plate and a series of rubber springs. The outer side of the middle part of the axle box 12 is fixedly provided with a lifting ring 13 protruding upwards, the anti-falling part 14 is a convex block welded on the outer side of the boundary beam 2, and the convex block penetrates through an inner hole of the lifting ring 13. When the side beam 2 and the axle box 12 do not vibrate, the lug is not in contact with the inner hole of the hanging ring 13 and is positioned in the middle of the inner hole of the hanging ring 13. When the boundary beam 2 vibrates, the hanging ring 13 passes through the position of the limiting lug moving in the inner hole of the hanging ring 13, so that the vibration amplitude of the boundary beam 2 is limited.

Referring to fig. 2 and 4, as a specific embodiment of the non-power bogie for the articulated light rail vehicle according to the present invention, brake hanging seats 15 are fixedly disposed on both sides of a main beam 1, and a foundation brake assembly 4 is mounted on the brake hanging seats 15. In this embodiment, the number of the braking hanging seats 15 is four, two pairs of the braking hanging seats are arranged on two sides of the main beam 1 and located between the two side beams 2, and the braking hanging seats 15 are symmetrical to each other. The end of the brake hanging seat 15 is connected with a foundation brake through a bolt, the brake hanging seat 15 is of a bending structure, the foundation brake at the end corresponds to an axle of the bogie wheel set, a brake disc is installed at a position corresponding to the foundation brake on the axle, and the foundation brake corresponds to act on the brake disc and is used for braking the bogie wheel set.

Referring to fig. 2, as an embodiment of the non-power bogie for the articulated light rail vehicle according to the present invention, a pipe stacking seat 16 for installing a pipeline of the foundation brake assembly 4 is provided at an upper end of the side beam 2. In this embodiment, the pipe stacking base 16 is fixed at the upper end of the side beam 2, and is used for constraining the pipeline of the foundation brake assembly 4, and avoiding the mixed and disorderly pipeline from interfering with other components and even being carelessly involved in the wheel.

Referring to fig. 5 to 7, a tube nest 16 includes a base plate 17, a connecting portion 18 extending downward is disposed at a lower portion of each of two ends of the base plate 17, a plurality of mounting seats 19 are disposed at intervals along a length direction of the upper portion of the base plate 17, a cover plate 20 is inserted into the mounting seats 19, and a channel 21 for installing a pipeline of the foundation brake assembly 4 is formed between the mounting seats 19 and the cover plate 20. In this embodiment, the base plate 17 is a long strip-shaped plate, and is arranged along the length direction of the edge beam 2, the installation seats 19 are sequentially arranged along the length direction of the base plate 17 at intervals, the installation seats 19 are provided with the cover plates 20, the installation seats and the cover plates form a channel 21 for installing the pipeline of the basic brake assembly 4, and a plurality of groups of installation seats 19 and the cover plates 20 form a plurality of channels 21. The connecting portion 18 is a leg, and is integrally formed with the base plate 17. The support legs are positioned at the lower parts of the two ends of the base plate 17 in the length direction, and the lower ends of the support legs are fixed on the upper end surface of the side beam 2 in a welding mode, so that the combination of the multiple groups of mounting seats 19 and the cover plate 20 is mounted on the upper end surface of the side beam 2. The mode of welding through two landing legs and boundary beam 2 only needs two fillet welds of root welding at the landing leg, and the solder joint is few, for the welding mode of a plurality of 19 lug welds of mount pad at the up end of boundary beam 2, has obviously reduced the weld zone, can reduce the quantity and the form of welding seam by a wide margin, the deflection that the control welding that can be fine produced, except having practiced thrift the artifical work load of welding, still reduced the bogie hidden danger of operation appear.

The mounting base 19 comprises two fixing plates fixed on the upper end face of the boundary beam 2 at intervals, the opposite faces of the two fixing plates and the upper end face of the boundary beam 2 form a groove structure, and the upper end face of each fixing plate is provided with a strip-shaped convex edge. Two strip-shaped grooves are formed in the lower end face of the cover plate 20, the strip-shaped grooves are matched with the strip-shaped protruding edges, and the cover plate 20 is installed on the installation seat 19 through the insertion fit of the strip-shaped protruding edges and the strip-shaped grooves. At this time, the upper side of the groove structure is closed by the lower end surface of the cover plate 20, thereby forming a passage 21 for installing the piping of the foundation brake assembly 4.

Referring to fig. 5 to 7, as a specific embodiment of the non-power bogie for the articulated light rail vehicle, referring to fig. 5 to 7, threaded holes 22 are formed in two sides of the mounting seat 19, a connecting hole 23 is formed in a position of the cover plate 20 corresponding to the threaded hole 22, and the cover plate 20 is screwed into the threaded hole 22 through the connecting hole 23 by a bolt for being connected to the mounting seat 19. In this embodiment, the two sides of the mounting seat 19 are provided with side plates, the side plates are semi-circular arc plates, and the threaded holes 22 are opened on the side plates and extend downwards to the inside of the mounting seat 19 or penetrate through the mounting seat 19. Two sides of the cover plate 20 are also provided with side plates which are semi-circular arc plates, the connecting holes 23 are arranged on the side plates, and when the threaded holes 22 do not penetrate through the mounting seat 19, bolts penetrate through the connecting holes 23 from top to bottom and are screwed on the mounting seat 19; when the threaded hole 22 runs through the mounting seat 19, the bolt can be threaded from top to bottom or from bottom to top as required, the space is convenient to install, and the condition that whether the bolt is loosened in the running process of the bogie can be noticed through the length of the leaked bolt at any time. The mounting base 19 and the cover plate 20 are fixed by inserting and fitting and double positioning of bolts, and the areas for mounting pipelines are reserved by the characteristics of the structures of the mounting base and the cover plate after the mounting base and the cover plate are fixed. Due to the double positioning mode, the stability of a pipeline in the installation process is greatly guaranteed, and the problem that the installation pipe stacking seat 16 is not loose due to vibration caused by sinking and floating of the bogie in the operation process of the bogie is solved. The strip-shaped grooves and the strip-shaped convex edges can be matched in an inserted mode, the strip-shaped convex edges can slide into the strip-shaped grooves laterally, disassembly and assembly are facilitated, the strip-shaped grooves and the strip-shaped convex edges are well guaranteed to be matched with each other, the small intermittently matched sliding grooves guarantee that the mutual pipe stacking seats 16 cannot transversely move, and precise matching and use of the pipe stacking seats 16 are guaranteed.

The invention also provides a train which uses the non-power bogie for the hinged light rail vehicle.

Compared with the prior art, the train provided by the invention has the beneficial effects that the non-power bogie for the hinged light rail vehicle is used, the braking effect of the train is ensured, the damping effect of the train is improved, the overall stability of the bogie is further improved, and the details are not repeated herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.