CN108944985B

CN108944985B - Single-axle bogie and highway and railway dual-purpose vehicle

Info

Publication number: CN108944985B
Application number: CN201810847700.2A
Authority: CN
Inventors: 李梓铭; 罗辉; 吴先年; 姜瑞金; 刘凤伟; 易军恩; 芦刚; 刘丹艳; 姚雄; 黄春雨
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2024-05-17
Anticipated expiration: 2038-07-27
Also published as: CN108944985A

Abstract

The utility model provides a unipolar bogie, the framework including the bottom surface is equipped with the axle box, be equipped with the shaft subassembly between two axle boxes, be equipped with a series damping spring subassembly between axle box and the framework, the brake subassembly is equipped with to the framework bottom surface, framework top surface middle part is equipped with the heart dish round pin, framework top surface both ends are equipped with the frame coupling subassembly respectively, the frame coupling subassembly includes the frame connecting plate that the middle part is equipped with the spacing connecting seat of frame, frame spacing connecting seat top surface is equipped with the frame along vertical the connection slot hole, the I-shaped connecting piece is equipped with in the interpolation of frame connecting slot hole, the two rubber spring subassemblies of frame connecting plate vertical both ends card respectively are equipped with, the two rubber spring subassemblies includes two rubber spring mounting panel and two rubber springs of system, two rubber spring lower extreme cards are on the frame connecting plate, two rubber spring upper end vulcanizes on two rubber spring mounting panel of system. The highway and railway dual-purpose vehicle comprises a vehicle frame, a large-stroke suspension and the single-axle bogie, wherein the suspension and the single-axle bogie are respectively and fixedly arranged on the vehicle frame. Is suitable for highway and railway vehicles.

Description

Single-axle bogie and highway and railway dual-purpose vehicle

Technical Field

The invention relates to the field of road transportation, in particular to a single-axle bogie and a highway and railway dual-purpose vehicle.

Background

Along with the development of transportation capability, the requirements of owners on timeliness of goods delivery are higher and higher, railways of various countries are continuously striving to improve the goods delivery speed, strive to form the speed advantage of goods delivery, and gradually form door-to-door transportation represented by container transportation, so that the highway and railway dual-purpose vehicle is one of important equipment for realizing door-to-door transportation.

The highway and railway dual-purpose vehicle is provided with the functional modules related to railway running and highway running, the appearance of the vehicle is limited by the appearance of the railway and the highway, and the internal structure of the vehicle is compact. The single-axle bogie has the advantages of small occupied space and light weight, and is an ideal railway running functional component of the highway and railway dual-purpose vehicle.

The existing single-axle bogie uses a series of damping spring assemblies to connect a wheel set/axle box and a vehicle body, and the single-axle bogie with the structure has the following problems:

1. the first-line vibration reduction spring assembly has limited capability of reducing vibration, so that the vehicle stability index is poor, and the safety of goods and the comfort of personnel cannot be ensured;

2. the vehicle body and the wheel set cannot rotate relatively around the vertical direction (vertical direction), so that the curve passing capability of the vehicle is weak, the vehicle cannot pass through a curve with a small radius, and the vehicle cannot be used in most lines.

Disclosure of Invention

The invention aims to overcome the defects of the background technology and provide a single-axle bogie and a highway and railway dual-purpose vehicle.

In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a unipolar bogie, includes the framework, an axle box is installed respectively at the bottom surface both ends of framework, two install the shaft subassembly between the axle box, the axle box with be equipped with a series damping spring assembly between the framework, a brake subassembly is installed respectively to the bottom surface both ends of framework correspond the position of the wheel of shaft subassembly, the top surface middle part of framework is equipped with the heart dish round pin, the top surface both ends of framework are equipped with a frame coupling assembling respectively, frame coupling assembling includes a frame connecting plate, the middle part of frame connecting plate is equipped with the spacing connecting seat of bellied frame, the spacing connecting seat of frame is square cavity structure, the top surface of the spacing connecting seat of frame is equipped with the frame and connects the slot hole along vertically, spacing cartridge has the I-shaped connecting piece in the frame connection slot hole, the longitudinal both ends of frame connecting plate are blocked respectively and are equipped with a second series rubber spring assembly, second series rubber spring assembly includes second series rubber spring mounting panel and second series rubber spring, second series rubber spring lower extreme cartridge is in on the frame connecting plate, second series rubber spring upper end is in the vulcanization is in on the second series rubber spring mounting panel.

The single-axle bogie can be fixedly arranged on the frame through the frame connecting component, so that the single-axle bogie can be directly lifted away from the rail surface of a rail through large-stroke suspension during railway transportation to public transportation without other equipment for assisting in matching, and the transportation time is greatly prolonged; meanwhile, the bogie is inserted into a center plate seat of the frame through a center plate pin, so that the vehicle horizontal traction function is realized, and the frame can rotate around the center plate pin, so that when the bogie passes through curves, the wheel sets and the single-axle bogie can rotate relatively with the frame around the center plate pin integrally, and the curve passing capacity of the vehicle, especially the small-radius curve passing capacity, is greatly improved; in addition, as the two-system rubber springs at four corners of the framework independently and vertically bear the vehicle body, when the bogie or the vehicle frame is distorted to cause uneven stress of the framework, the whole stress condition of the bogie can be adjusted through different compression vehicles of the two-system rubber springs, so that the asymmetric torsional stress of the bogie is reduced, and the reliability of the bogie structure is improved; in addition, the two-stage vibration damper of rubber vibration damping and friction vibration damping is formed by the two-stage rubber spring and the first-stage vibration damping spring assembly, so that the vertical acting force can be effectively damped, the vibration damping capacity of the bogie is greatly improved, and the stability of the vehicle is improved; and on the one hand, the additionally arranged frame limiting connecting seat facilitates the connection between the bogie and the frame, and on the other hand, a clamping structure can be formed, so that the connection reliability is improved.

In the scheme, the outer sides of the longitudinal beams of the frame are provided with the bearing sleeper beams, the bottom surface of each bearing sleeper beam is provided with the bogie connecting seat with the U-shaped structure, the bottom surface of each bogie connecting seat is longitudinally provided with the bogie connecting slot holes, and two ends of each bogie connecting seat are respectively provided with one bogie limiting clamping plate; the upper connector of the I-shaped connecting piece is inserted into the bogie connecting slot hole in a limiting manner, two ends of the upper connector of the I-shaped connecting piece are fixedly connected with the bogie connecting seat respectively, and the frame limiting connecting seat with the square cavity structure is clamped between the two bogie limiting clamping plates; the bottom surface of the bearing sleeper beam is provided with a secondary rubber spring connecting seat with a U-shaped structure corresponding to the position of the secondary rubber spring mounting plate, and the bottom surface of the secondary rubber spring connecting seat is connected with the secondary rubber spring mounting plate.

The bogie connecting seat with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam, so that the connection of the frame connecting assembly is facilitated; meanwhile, the additionally arranged bogie limiting clamping plates are matched with the frame limiting connecting seats, so that the overlarge rotation quantity of the bogie is prevented, and the connection reliability between the frame and the single-shaft bogie is further ensured; and moreover, the secondary rubber spring connecting seat with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam, so that the secondary rubber spring mounting plate is convenient to mount and fix.

In the scheme, the top surface of the bogie connecting seat and the top surface of the secondary rubber spring connecting seat are respectively provided with reinforcing connecting ribs, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam, and the outer side wall of the bogie limiting clamping plate is also provided with reinforcing ribs. Reinforcing connection ribs are additionally arranged on the top surface of the bogie connecting seat and the top surface of the secondary rubber spring connecting seat respectively, the reinforcing connection ribs are welded with the bottom surface of the bearing sleeper beam, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate, so that the structural strength is ensured, and the reliability of connection between the frame and the single-axle bogie is further improved.

In the above aspect, the brake assembly includes a unit brake mounted on a lower end of the brake vertical mounting plate, and a brake shoe of the unit brake is disposed toward the wheel of the axle assembly, with an upper end of the brake vertical mounting plate being mounted on a bottom surface of the frame at a position corresponding to the wheel of the axle assembly. By adopting the unit brake as braking, the arrangement of the brake pipeline can be effectively simplified, the structure is more compact, and the installation is more convenient.

In the above scheme, the bearing sleeper beam comprises an upper bearing sleeper beam cover plate, a lower bearing sleeper beam cover plate, bearing sleeper beam sealing plates, bearing sleeper beam webs and bearing sleeper beam partition plates, wherein the upper bearing sleeper beam cover plate and the lower bearing sleeper beam cover plate are arranged in an up-down parallel mode, the upper bearing sleeper beam cover plate is connected with the lower bearing sleeper beam cover plate through the bearing sleeper beam webs which are arranged at intervals longitudinally, two adjacent bearing sleeper beam webs are connected through the bearing sleeper beam partition plates, the inner side edges of the upper bearing sleeper beam cover plate and the lower bearing sleeper beam cover plate are connected with the outer side webs of the longitudinal beams, and the outer side edges of the upper bearing sleeper beam cover plate and the outer side edges of the lower bearing sleeper beam cover plate are connected through the bearing sleeper beam sealing plates. The added bearing sleeper beam not only plays a role in connecting the frame and the single-axle bogie, but also plays a role in bearing a container.

The invention also discloses a highway and railway dual-purpose vehicle which comprises a vehicle frame, a large-stroke suspension and the single-axle bogie, wherein the suspension and the single-axle bogie are respectively and fixedly arranged on the vehicle frame.

In the scheme, the outer sides of the longitudinal beams of the frame are provided with the bearing sleeper beams, the bottom surface of the bearing sleeper beams is provided with the bogie connecting seat with the U-shaped structure, the bottom surface of the bogie connecting seat is longitudinally provided with the bogie connecting slot holes, and two ends of the bogie connecting seat are respectively provided with a bogie limiting clamping plate; the upper connector of the I-shaped connecting piece is inserted into the bogie connecting slot hole in a limiting manner, two ends of the upper connector of the I-shaped connecting piece are fixedly connected with the bogie connecting seat respectively, and the frame limiting connecting seat with the square cavity structure is clamped between the two bogie limiting clamping plates; the bottom surface of the bearing sleeper beam is provided with a secondary rubber spring connecting seat with a U-shaped structure corresponding to the position of the secondary rubber spring mounting plate, and the bottom surface of the secondary rubber spring connecting seat is connected with the secondary rubber spring mounting plate.

In the scheme, the top surface of the bogie connecting seat and the top surface of the secondary rubber spring connecting seat are respectively provided with reinforcing connecting ribs, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam, and the outer side wall of the bogie limiting clamping plate is also provided with reinforcing ribs.

In the above aspect, the brake assembly includes a unit brake mounted on a lower end of the brake vertical mounting plate, and a brake shoe of the unit brake is disposed toward the wheel of the axle assembly, with an upper end of the brake vertical mounting plate being mounted on a bottom surface of the frame at a position corresponding to the wheel of the axle assembly.

In the above scheme, the bearing sleeper beam comprises an upper bearing sleeper beam cover plate, a lower bearing sleeper beam cover plate, bearing sleeper beam sealing plates, bearing sleeper beam webs and bearing sleeper beam partition plates, wherein the upper bearing sleeper beam cover plate and the lower bearing sleeper beam cover plate are arranged in an up-down parallel mode, the upper bearing sleeper beam cover plate is connected with the lower bearing sleeper beam cover plate through the bearing sleeper beam webs which are arranged at intervals longitudinally, two adjacent bearing sleeper beam webs are connected through the bearing sleeper beam partition plates, the inner side edges of the upper bearing sleeper beam cover plate and the lower bearing sleeper beam cover plate are connected with the outer side webs of the longitudinal beams, and the outer side edges of the upper bearing sleeper beam cover plate and the outer side edges of the lower bearing sleeper beam cover plate are connected through the bearing sleeper beam sealing plates.

The technical scheme provided by the invention has the beneficial effects that:

1. the single-axle bogie can be fixedly arranged on the frame through the frame connecting component, so that the single-axle bogie can be directly lifted away from the rail surface of a rail through large-stroke suspension during railway transportation to public transportation without other equipment for assisting in matching, and the transportation time is greatly prolonged;

2. The bogie is inserted into a center plate seat of the frame through a center plate pin, so that the vehicle horizontal traction function is realized, and the frame can rotate around the center plate pin, so that when the bogie passes through curves, the wheel set and the single-axle bogie can rotate relatively with the frame around the center plate pin integrally, and the curve passing capacity of the vehicle, especially the small-radius curve passing capacity, is greatly improved;

3. Because the two-system rubber springs at four corners of the framework independently vertically bear the car body, when the bogie or the car frame is distorted to cause uneven stress of the framework, the whole stress condition of the bogie can be adjusted through different compression cars of the two-system rubber springs, so that asymmetric torsional stress of the bogie is reduced, and the reliability of the bogie structure is improved;

4. the two-stage vibration damper with rubber vibration damping and friction vibration damping is formed by the two-stage rubber spring and the first-stage vibration damping spring assembly, so that the vertical acting force can be effectively damped, the vibration damping capacity of the bogie is greatly improved, and the stability of the vehicle is improved;

5. The additionally arranged frame limiting connecting seat is convenient for the connection between the bogie and the frame on one hand, and can form a clamping structure on the other hand so as to improve the reliability of connection;

6. The added secondary rubber spring component can play a role in damping vertical dynamic force on one hand and plays a role in supporting on the other hand;

7. the bogie connecting seat with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam, so that the connection of the frame connecting assembly is facilitated;

8. The added bogie limiting clamping plates are matched with the frame limiting connecting seats, so that the excessive rotation quantity of the bogie is prevented, and the reliability of the connection between the frame and the single-axle bogie is further ensured;

9. The secondary rubber spring connecting seat with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam, so that the installation and the fixation of the secondary rubber spring mounting plate are facilitated;

10. reinforcing connecting ribs are additionally arranged on the top surface of the bogie connecting seat and the top surface of the secondary rubber spring connecting seat respectively, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate, so that the structural strength is ensured, and the reliability of connection between the bogie frame and the single-axle bogie 3 is further improved;

11. by adopting the unit brake as brake, the arrangement of the brake pipeline can be effectively simplified, the structure is more compact, and the installation is more convenient;

12. The added bearing sleeper beam not only plays a role in connecting the frame and the single-axle bogie, but also plays a role in bearing a container.

Drawings

FIG. 1 is a schematic diagram of a general assembly structure of a highway and railway vehicle;

FIG. 2 is another view angle schematic of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 4 is a schematic view of the structure of FIG. 1 from another view;

FIG. 5 is a schematic structural view of a frame with a tight-coupling coupler and a coupler buffer;

FIG. 6 is another view angle schematic of FIG. 5;

FIG. 7 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 8 is a schematic view of the structure of FIG. 5 at another viewing angle;

FIG. 9 is a schematic structural view of a vehicle frame;

FIG. 10 is another view angle schematic of FIG. 9;

FIG. 11 is a schematic view of the structure of FIG. 9 from another perspective;

FIG. 12 is a schematic view of the structure of FIG. 9 at another viewing angle;

FIG. 13 is a schematic longitudinal cross-sectional view of a vehicle frame;

FIG. 14 is a schematic structural view of a load bolster;

FIG. 15 is another view angle schematic of FIG. 14;

FIG. 16 is a schematic view of the positional relationship between the truck mount and the truck restraint panel;

FIG. 17 is a schematic view of a secondary rubber spring connection base;

FIG. 18 is a schematic structural view of a heart disk seat;

FIG. 19 is a schematic cross-sectional view of FIG. 18;

FIG. 20 is a schematic view of the construction of a tight coupling coupler support assembly;

FIG. 21 is a schematic view of the structure of the suspension;

FIG. 22 is another view angle schematic of FIG. 21;

FIG. 23 is a schematic view of the structure with the suspension in the highway load-bearing position;

FIG. 24 is a schematic view of the structure of the suspension in the post-lifting railway suspension position;

FIG. 25 is a schematic structural view of a single axle bogie;

FIG. 26 is another view angle schematic of FIG. 25;

FIG. 27 is a schematic illustration of a brake assembly;

FIG. 28 is a schematic structural view of a tight-coupling coupler;

FIG. 29 is another view angle schematic of FIG. 28;

FIG. 30 is an exploded view of a tight-coupling coupler;

FIG. 31 is a schematic cross-sectional view of a tight-coupling coupler;

FIG. 32 is a schematic diagram of an initial configuration of two tight-junction couplers in a mated configuration;

FIG. 33 is a schematic view of the structure of two closely coupled couplers after mating is completed;

FIG. 34 is an isometric view of FIG. 33;

Fig. 35 is a schematic view of the structure of the knuckle.

In the figure, a frame 1, a longitudinal beam 1a, a longitudinal beam connecting plate 1b, a lifting airbag mounting seat 1c, a lifting airbag mounting plate 1c1, a lifting airbag mounting plate 1c2, a bearing airbag mounting seat 1d, an airbag mounting plate 1d1, an airbag partition plate 1d2, a guide groove 1d3, a bearing sleeper 1e, a bearing sleeper upper cover plate 1e1, a bearing sleeper lower cover plate 1e2, a bearing sleeper sealing plate 1e3, a bearing sleeper web 1e4, a bearing sleeper partition plate 1e5, a bogie connecting seat 1f, a bogie connecting slot 1f1, a bogie limiting clamp plate 1g, a core disc seat 1h, a core disc seat upper cover plate 1h1, a core disc seat lower cover plate 1h2, a core disc seat web 1h3, a core disc seat partition plate 1h4, a core disc seat central tube 1h5, a core disc pin mounting hole 1h6, a secondary rubber spring connecting seat 1i, a coupler seat 1j, a front slave plate seat 1k, a slave plate seat 1m, a back slave plate 1n, an anti-bouncing plate 1n, a bogie end plate 1p, a bearing sleeper 1r, a side beam 1r, a reinforcement beam 1t, a suspension 2, an axle assembly 2a, a lifting airbag 2b, a primary carrying airbag 2c, a supporting seat 2d, a supporting seat guide 2d1, a secondary carrying airbag 2e, a single-axle bogie 3, a frame 3a, an axle box 3b, an axle assembly 3c, a primary damping spring assembly 3d, a brake assembly 3e, a unit brake 3e1, a brake vertical mounting plate 3e2, a frame connection assembly 3f, a frame connection plate 3f1, a frame limit connection seat 3f2, a frame connection slot 3f3, an I-shaped connection piece 3f4, a secondary rubber spring assembly 3g, a secondary rubber spring mounting plate 3g1, a secondary rubber spring 3g2, a tight joint coupler 4, a coupler body 4a, a coupler knuckle 4b, a coupler body cavity 4c, a coupler head connection cavity 4c1, a coupler knuckle rotation cavity 4c2, an operating lever 4d, a return spring 4e, a return spring mounting bolt 4f, a connection pin 4g, a 4h, an operating lever detent 4i, an operating lever detent lever 4j, anti-rotation fixture block 4m, reset spring connecting pin 4n, tight-lock type connecting coupler bearing assembly 5, bearing front end plate 5a, joist 5b, joist mount pad 5c, bearing spring 5d, coupler buffer 6, impact seat assembly 7, impact seat body 7a, coupler buffer joist 7b, container locking device 8.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

As shown in fig. 1 to 35, this embodiment provides a single-axle bogie, which comprises a framework 3a, an axle box 3b is respectively installed at two ends of the bottom surface of the framework 3a, an axle assembly 3c is installed between two axle boxes 3b, a first-line damping spring assembly 3d is arranged between the axle boxes 3b and the framework 3a, a braking assembly 3e is respectively installed at two ends of the bottom surface of the framework 3a corresponding to the positions of wheels of the axle assembly 3c, a center plate pin is arranged in the middle of the top surface of the framework 3a, a frame connecting assembly 3f is respectively arranged at two ends of the top surface of the framework 3a, the frame connecting assembly 3f comprises a frame connecting plate 3f1, a frame limiting connecting seat 3f2 protruding upwards is arranged in the middle of the frame connecting plate 3f1, the frame limiting connecting seat 3f2 is of a square cavity structure, an i-shaped connecting member 3f4 is respectively installed at two ends of the frame connecting slot 3f 3c in a limiting manner along the longitudinal direction, two first-line rubber springs 3g are respectively fastened with two second-line rubber springs 3g and two-side rubber connecting plates 3g are respectively fastened with two-side rubber connecting plates 3g and two-side rubber connecting plates 3g are respectively fastened with two-side rubber connecting plates 3g1 g and two-side rubber connecting plate 3g2 g is respectively fastened with two-side rubber connecting plate 1 g.

The single-axle bogie can be fixedly arranged on the frame 1 through the frame connecting component 3f, so that the single-axle bogie can be directly lifted away from the rail surface through large-stroke suspension during railway transportation to public transportation without other equipment for assisting in matching, and the transportation time is greatly prolonged; meanwhile, the bogie is inserted into the center plate seat 1h of the frame 1 through the center plate pin, so that the vehicle horizontal traction function is realized, and the frame can rotate around the center plate pin, so that when the bogie passes through curves, the wheel sets and the single-axle bogie can rotate relatively with the frame around the center plate pin integrally, and the curve passing capacity of the vehicle, especially the small-radius curve passing capacity, is greatly improved; in addition, as the two-system rubber springs 3g2 at four corners of the framework 3a independently and vertically bear the vehicle body, when the bogie or the vehicle frame is distorted to cause uneven stress of the framework 3a, the whole stress condition of the bogie can be adjusted through different compression vehicles of the two-system rubber springs 3g2, so that asymmetric torsional stress of the bogie is reduced, and the reliability of the bogie structure is improved; in addition, the secondary rubber spring 3g2 and the primary damping spring assembly 3d form a two-stage damping device for rubber damping and friction damping, and can effectively damp vertical acting force, so that the damping capacity of the bogie is greatly improved, and the stability of the vehicle is improved; furthermore, the additionally arranged frame limiting connecting seat 3f2 facilitates connection of the bogie and the frame on one hand, and on the other hand, a clamping structure can be formed, so that connection reliability is improved.

A bearing sleeper beam 1e is arranged on the outer side of a longitudinal beam 1a of the frame 1, a bogie connecting seat 1f with a U-shaped structure is arranged on the bottom surface of the bearing sleeper beam 1e, a bogie connecting long hole 1f1 is longitudinally arranged on the bottom surface of the bogie connecting seat 1f, and two bogie limiting clamping plates 1g are respectively arranged at two ends of the bogie connecting seat 1 f; the upper connector of the I-shaped connecting piece 3f4 is inserted into the bogie connecting slot hole 1f1 in a limiting manner, two ends of the upper connector of the I-shaped connecting piece 3f4 are respectively and fixedly connected with the bogie connecting seat 1f, and the frame limiting connecting seat 3f2 of a square cavity structure is clamped between two bogie limiting clamping plates 1g; the bottom surface of the bearing sleeper beam 1e is provided with a secondary rubber spring connecting seat 1i with a U-shaped structure corresponding to the position of the secondary rubber spring mounting plate 3g1, and the bottom surface of the secondary rubber spring connecting seat 1i is connected with the secondary rubber spring mounting plate 3g 1. The connection of the frame connecting component 3f is facilitated by the bogie connecting seat 1f with the U-shaped structure additionally arranged on the bottom surface of the bearing sleeper beam 1 e; meanwhile, the added bogie limiting clamping plate 1g is matched with the frame limiting connecting seat 3f2, so that the excessive rotation amount of the bogie is prevented, and the reliability of the connection between the frame 1 and the single-shaft bogie 3 is further ensured; in addition, the secondary rubber spring connecting seat 1i with a U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam 1e, so that the secondary rubber spring mounting plate 3g1 is convenient to mount and fix.

The top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i are respectively provided with a reinforcing connecting rib, the reinforcing connecting rib is welded with the bottom surface of the bearing sleeper beam 1e, and the outer side wall of the bogie limiting clamping plate 1g is also provided with a reinforcing rib. Reinforcing connecting ribs are additionally arranged on the top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i respectively, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam 1e, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate 1g, so that the structural strength is ensured, and the reliability of connection between the frame 1 and the single-axle bogie 3 is further improved.

The above-mentioned brake assembly 3e includes a unit brake 3e1 and a brake vertical mounting plate 3e2, the upper end of the brake vertical mounting plate 3e2 is mounted on the bottom surface of the frame 3a at a position corresponding to the wheel of the wheel axle assembly 3c, the unit brake 3e1 is mounted on the lower end of the brake vertical mounting plate 3e2, and the brake shoes of the unit brake 3e1 are disposed toward the wheel of the wheel axle assembly 3 c. By adopting the unit brake 3e1 as braking, the arrangement of the brake pipe can be effectively simplified, and the structure is more compact and the installation is more convenient.

The above-mentioned spandrel girder 1e includes spandrel girder upper cover plate 1e1, spandrel girder lower cover plate 1e2, spandrel girder shrouding 1e3, spandrel girder web 1e4 and spandrel girder baffle 1e5, spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e2 is parallel arrangement from top to bottom, spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e2 is through being along the longitudinal interval between spandrel girder web 1e4 that arranges, adjacent two spandrel girder web 1e4 are through spandrel girder baffle 1e5 links to each other between the spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e 2's interior side all links to each other with the outside web of longeron 1a, spandrel girder upper cover plate 1e 1's outside limit with spandrel girder lower cover plate 1e 2's outside limit between link to each other through spandrel girder 1e 3. The added load bearing sleeper beam 1e not only plays a role in connecting the frame 1 and the single-axle bogie 3, but also plays a role in bearing a container.

In the embodiment, the single-axle bogie can be fixedly arranged on the frame 1 through the frame connecting component 3f, so that the single-axle bogie can be directly lifted away from the rail surface through large-stroke suspension during railway transportation to public transportation without other equipment for assisting in matching, and the transportation time is greatly prolonged; the bogie is inserted into the center plate seat 1h of the frame 1 through the center plate pin, so that the vehicle horizontal traction function is realized, and the frame can rotate around the center plate pin, so that when the bogie passes through a curve, the wheel pair and the single-axle bogie can rotate relatively with the frame around the center plate pin integrally, and the curve passing capacity of the vehicle, especially the small-radius curve passing capacity, is greatly improved; because the two-system rubber springs 3g2 at four corners of the framework 3a independently and vertically bear the vehicle body, when the bogie or the vehicle frame is distorted to cause uneven stress of the framework 3a, the whole stress condition of the bogie can be adjusted through different compression vehicles of the two-system rubber springs 3g2, so that the asymmetric torsional stress of the bogie is reduced, and the reliability of the bogie structure is improved; the two-stage vibration damper with rubber vibration damping and friction vibration damping is formed by the two-stage rubber spring 3g2 and the first-stage vibration damping spring assembly 3d, so that the vertical acting force can be effectively damped, the vibration damping capacity of the bogie is greatly improved, and the stability of the vehicle is improved; the additionally arranged frame limiting connecting seat 3f2 is convenient for connecting the bogie with the frame on one hand, and can form a clamping structure on the other hand so as to improve the reliability of connection; the added secondary rubber spring assembly 3g can play a role in damping vertical dynamic force on one hand and play a role in supporting on the other hand.

Meanwhile, the bogie connecting seat 1f with the U-shaped structure additionally arranged on the bottom surface of the bearing sleeper beam 1e facilitates the connection of the frame connecting component 3 f; the added bogie limiting clamping plate 1g is matched with the frame limiting connecting seat 3f2, so that the excessive rotation quantity of the bogie is prevented, and the reliability of the connection between the frame 1 and the single-axle bogie 3 is further ensured; the secondary rubber spring connecting seat 1i with a U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam 1e, so that the secondary rubber spring mounting plate 3g1 is convenient to mount and fix; reinforcing connecting ribs are additionally arranged on the top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i respectively, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam 1e, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate 1g, so that the structural strength is ensured, and the reliability of connection between the frame 1 and the single-axle bogie 3 is further improved.

Finally, in the embodiment, the unit brake 3e1 is adopted as braking, so that the arrangement of a brake pipeline can be effectively simplified, the structure is more compact, and the installation is more convenient; the added load bearing sleeper beam 1e not only plays a role in connecting the frame 1 and the single-axle bogie 3, but also plays a role in bearing a container.

Example 2:

As shown in fig. 1 to 35, the present embodiment provides a highway and railway dual-purpose vehicle, which comprises a vehicle frame 1, a suspension 2 and a single-axle bogie 3, wherein the vehicle frame 1 comprises two parallel longitudinal beams 1a, the two longitudinal beams 1a are connected through a longitudinal beam connecting plate 1b, a lifting air bag mounting seat 1c is arranged between the two longitudinal beams 1a, a bearing air bag inserting hole is formed in a position, corresponding to the lifting air bag mounting seat 1c, on a lower cover plate of the longitudinal beam 1a, a bearing air bag mounting seat 1d is arranged in the bearing air bag inserting hole, and a bearing sleeper beam 1e is arranged on the outer side of the longitudinal beam 1a;

the suspension 2 comprises an axle assembly 2a, wherein a lifting air bag 2b is arranged in the middle of the front end of the axle assembly 2a, a primary bearing air bag 2c is respectively arranged on two sides of the rear end of the axle assembly 2a, a secondary bearing air bag 2e is respectively arranged on the top surfaces of the two primary bearing air bags 2c through a supporting seat 2d, the top surface of the lifting air bag 2b is arranged on the lifting air bag mounting seat 1c, and the top surface of the secondary bearing air bag 2e is arranged in the bearing air bag mounting seat 1 d;

The single-axle bogie 3 comprises a framework 3a, axle boxes 3b are respectively arranged at two ends of the bottom surface of the framework 3a, an axle assembly 3c is arranged between the two axle boxes 3b, a series of damping spring assemblies 3d are arranged between the axle boxes 3b and the framework 3a, a braking assembly 3e is respectively arranged at two ends of the bottom surface of the framework 3a corresponding to the positions of wheels of the axle assemblies 3c, a frame connecting assembly 3f is respectively arranged at two ends of the top surface of the framework 3a, and the framework 3a is arranged on the bottom surface of the force-bearing sleeper beam 1e through the frame connecting assemblies 3 f.

The single-axle bogie 3 is fixedly arranged on the frame 1 through the frame connecting component 3f, and the suspension 2 is designed into a two-stage bearing air bag with a large stroke, so that the single-axle bogie 3 can be directly lifted away from the rail surface of a rail through the large-stroke suspension 2 during railway transportation to public transportation, and other equipment is not needed to assist in matching, so that the transportation time is greatly prolonged; meanwhile, when the highway and railway dual-purpose vehicle is transported, other equipment is not needed to assist in matching, so that the highway and railway dual-purpose vehicle only needs to carry out highway-railway conversion at a railway station with a hardened ballast bed suitable for the vehicle length, and the ballast bed surface and the rail surface are high and can be gently transited to the ground, thereby greatly reducing the threshold of using highway-railway conversion at the railway station; moreover, the load bearing sleeper beam 1e not only plays a role in bearing a container, but also plays a role in connecting the frame 1 and the single-axle bogie 3; finally, the secondary airbag 2e is mounted in the side member 1a by the airbag mounting seat 1d, which makes it possible to make the structure more compact while increasing the stroke of the suspension 2.

The number of the bearing sleeper beams 1e is four, every two bearing sleeper beams are in a group, each group of bearing sleeper beams 1e is correspondingly provided with one single-axle bogie 3, and in the embodiment, the number of the bearing sleeper beams is two single-axle bogies 3; one lifting air bag mounting seat 1c and two bearing air bag mounting seats 1d are formed into a group, each group is correspondingly provided with one suspension 2, and in the embodiment, three suspensions 2 are arranged in total; a bearing beam 1q is further mounted on the outer side of the longitudinal beam 1a, the bearing beam 1q and the bearing sleeper beam 1e are alternately mounted on the longitudinal beam 1a along the longitudinal direction, a connecting beam 1r is further mounted between the bearing beam 1q and the bearing sleeper beam 1e at the front end of the longitudinal beam 1a, side beams 1s are connected at the outer ends of the bearing beam 1q and the bearing sleeper beam 1e and the outer ends of the connecting beam 1r, a stiffening beam 1t is arranged between the bearing beam 1q and the connecting beam 1r at the front end of the longitudinal beam 1a and between two adjacent connecting beams 1r, and a container locking device 8 is mounted on the top surface of the bearing beam 1 q; other structures of the frame 1 can be referred to a China patent 201610988706.2 highway and railway dual-purpose vehicle, and are not repeated here.

The bearing airbag mounting seat 1d comprises an airbag mounting plate 1d1 and two oppositely arranged airbag partition plates 1d2, the inner surfaces of the upper ends of the two airbag partition plates 1d2 are respectively welded with two opposite side edges of the airbag mounting plate 1d1, the bearing airbag mounting seat 1d is inserted in the bearing airbag insertion hole, the bearing airbag mounting seat 1d and two web plates of the longitudinal beam 1a enclose a bearing airbag mounting cavity for mounting the secondary bearing airbag 2e, the airbag mounting plate 1d1 is arranged in parallel with the upper cover plate of the longitudinal beam 1a, the lower ends of the two airbag partition plates 1d2 are respectively welded with the lower cover plate of the longitudinal beam 1a, the lower ends of the two airbag partition plates 1d2 are respectively welded with two webs of the longitudinal beam 1a, guide grooves 1d3 which are outwards protruded are formed in the middle parts of the two airbag partition plates 1d2 along the vertical direction, guide parts 2d which are matched with the guide grooves 1d3 are respectively formed in two sides of the bearing seat 2d, the bearing seat 2d is correspondingly provided with the guide grooves 1d, and the bearing airbag mounting seat 1d is correspondingly arranged on the upper cover plate 1d of the bearing seat 1d, and the bearing seat 2d is correspondingly arranged on the upper cover plate 1d of the bearing airbag seat 1 d. The bearing seat guide part 2d1 and the guide groove 1d3 are matched with each other, so that the longitudinal and transverse positioning and stable operation of the bearing air bag can be ensured. The lifting airbag mounting seat 1c comprises a lifting airbag mounting plate 1c1 and two lifting airbag mounting reinforcing plates 1c2, the two lifting airbag mounting reinforcing plates 1c2 are arranged between the two longitudinal beams 1a in parallel, the lifting airbag mounting plate 1c1 is arranged on the two lifting airbag mounting reinforcing plates 1c2, and the lifting airbag mounting plate 1c1 is welded with the two longitudinal beams 1a. The added two lifting air bag installation reinforcing plates 1c2 ensure the installation stability of the lifting air bag 2 b.

The bottom surface of the bearing sleeper beam 1e is provided with a bogie connecting seat 1f with a U-shaped structure, the bottom surface of the bogie connecting seat 1f is longitudinally provided with a bogie connecting long hole 1f1, two ends of the bogie connecting seat 1f are respectively provided with a bogie limiting clamping plate 1g, and a center disc seat 1h for installing a center disc pin of the single-shaft bogie 3 is arranged between two longitudinal beams 1a at a position corresponding to the bearing sleeper beam 1 e; the frame connecting assembly 3f comprises a frame connecting plate 3f1, a frame limiting connecting seat 3f2 protruding upwards is arranged in the middle of the frame connecting plate 3f1, the frame limiting connecting seat 3f2 is of a square cavity structure, a frame connecting long hole 3f3 is formed in the top surface of the frame limiting connecting seat 3f2 in the longitudinal direction, an I-shaped connecting piece 3f4 is inserted into the frame connecting long hole 3f3 in a limiting manner, an upper connector of the I-shaped connecting piece 3f4 is inserted into the bogie connecting long hole 1f1, two ends of an upper connector of the I-shaped connecting piece 3f4 are fixedly connected with the bogie connecting seat 1f respectively, the frame limiting connecting seat 3f2 of the square cavity structure is clamped between two bogie limiting clamping plates 1g, and a heart disc pin on the framework 3a is inserted into the heart disc seat 1 h. The connection of the frame connecting component 3f is facilitated by the bogie connecting seat 1f with the U-shaped structure additionally arranged on the bottom surface of the bearing sleeper beam 1 e; meanwhile, the added bogie limiting clamping plate 1g is matched with the frame limiting connecting seat 3f2, so that the excessive rotation amount of the bogie is prevented, and the reliability of the connection between the frame 1 and the single-shaft bogie 3 is further ensured; and, the transmission of train longitudinal traction force and longitudinal braking force can be guaranteed to the heart disk seat 1h that adds, has still further ensured the reliability of connection between frame 1 and the unipolar bogie 3.

Two longitudinal ends of the frame connecting plate 3f1 are respectively clamped with a two-system rubber spring assembly 3g, the two-system rubber spring assembly 3g comprises a two-system rubber spring mounting plate 3g1 and two-system rubber springs 3g2, the lower ends of the two-system rubber springs 3g2 are clamped on the frame connecting plate 3f1, and the upper ends of the two-system rubber springs 3g2 are vulcanized on the two-system rubber spring mounting plate 3g 1. The added secondary rubber spring assembly 3g can play a role in damping vertical dynamic force on one hand and play a role in supporting on the other hand. The bottom surface of the bearing sleeper beam 1e is provided with a secondary rubber spring connecting seat 1i with a U-shaped structure corresponding to the position of the secondary rubber spring mounting plate 3g1, and the bottom surface of the secondary rubber spring connecting seat 1i is connected with the secondary rubber spring mounting plate 3g 1. The secondary rubber spring connecting seat 1i with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam 1e, so that the secondary rubber spring mounting plate 3g1 is convenient to mount and fix. The top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i are respectively provided with a reinforcing connecting rib, the reinforcing connecting rib is welded with the bottom surface of the bearing sleeper beam 1e, and the outer side wall of the bogie limiting clamping plate 1g is also provided with a reinforcing rib. Reinforcing connecting ribs are additionally arranged on the top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i respectively, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam 1e, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate 1g, so that the structural strength is ensured, and the reliability of connection between the frame 1 and the single-axle bogie 3 is further improved.

The I-shaped connecting piece 3f4 is fixedly connected with the bogie connecting seat 1f through bolts, and when the vehicle runs on a road, the bogie is lifted away from the rail surface by the I-shaped connecting piece 3f 4; when the vehicle runs on the railway, the secondary rubber spring is compressed, the distance between the frame and the bogie is shortened, the I-shaped connecting piece 3f4 stretches into the cavity of the frame limiting connecting seat 3f2 and is not contacted with the bogie, the steering function of the bogie is not affected, and abrasion is avoided.

The i-shaped connecting piece 3f4 is inserted into the frame limiting connecting seat 3f2 and the bogie connecting seat 1f along the opening direction of the cavity of the frame limiting connecting seat 3f2, and then is vertically rotated by 90 degrees to be fixed with the bogie connecting seat 1f by bolts. Thus, even if the bolt fails, the I-shaped connecting piece 3f4 cannot be separated from the bogie connecting seat 1f, and the safety of the structure is improved.

The above-mentioned spandrel girder 1e includes spandrel girder upper cover plate 1e1, spandrel girder lower cover plate 1e2, spandrel girder shrouding 1e3, spandrel girder web 1e4 and spandrel girder baffle 1e5, spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e2 is parallel arrangement from top to bottom, spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e2 is through being along the longitudinal interval between spandrel girder web 1e4 that arranges, adjacent two spandrel girder web 1e4 are through spandrel girder baffle 1e5 links to each other between the spandrel girder upper cover plate 1e1 with spandrel girder lower cover plate 1e 2's interior side all links to each other with the outside web of longeron 1a, spandrel girder upper cover plate 1e 1's outside limit with spandrel girder lower cover plate 1e 2's outside limit between link to each other through spandrel girder 1e 3.

Above-mentioned heart dish seat 1h includes heart dish seat upper cover plate 1h1, heart dish seat lower cover plate 1h2, heart dish seat web 1h3, heart dish seat baffle 1h4 and heart dish seat center tube 1h5, heart dish seat upper cover plate 1h1 with heart dish seat lower cover plate 1h2 upper and lower parallel arrangement, heart dish seat upper cover plate 1h1 with heart dish seat lower cover plate 1h2 between pass through along vertical interval arrangement heart dish seat web 1h3 links to each other, heart dish seat center tube 1h 5's upper end with heart dish seat upper cover plate 1h 1's bottom surface middle part links to each other, heart dish seat center tube 1h 5's lower extreme with heart dish seat lower cover plate 1h 2's top surface middle part links to each other, heart dish seat lower cover plate 1h2 is last to correspond heart dish seat center tube 1h5 lower port's position is equipped with heart dish cartridge hole 1h6, heart dish seat upper cover plate 1h 1's two respectively with two longitudinal side stringers and two longitudinal stringers 1a respectively the heart dish seat 1a down the center tube 1a link to each other with heart dish seat 1a 4a center tube 1a down the baffle 1a, the heart dish seat down the center tube 1a links to each other with the center tube 1a 3. Through adding and establishing heart dish seat baffle 1h4 between the outer wall of heart dish seat center tube 1h5 and heart dish seat web 1h3 to also add and establish heart dish seat baffle 1h4 between the inner web of heart dish seat center tube 1h 5's outer wall and two longerons 1a, improved heart dish seat 1 h's intensity like this greatly.

A coupler seat 1j is arranged between the front ends of the two longitudinal beams 1a, and a tight-locking type connecting coupler 4 is arranged in the coupler seat 1j through a coupler bolt. The coupler seat 1j is additionally arranged between the front ends of the two longitudinal beams 1a, and the tight-locking coupler 4 is installed in the coupler seat 1j through the coupler bolt, so that the connection between the two car bodies is facilitated. The tight coupling coupler 4 comprises a coupler body 4a and a coupler knuckle 4b, a coupler body inner cavity 4c is arranged in the coupler body 4a and corresponds to the position of the coupler head of the coupler body 4a, the coupler body inner cavity 4c further comprises a coupler head connecting cavity 4c1 and a coupler knuckle rotating cavity 4c2, the coupler knuckle 4b is rotatably arranged in the coupler knuckle rotating cavity 4c2, the tight coupling coupler 4 further comprises an operating rod 4d, a return spring 4e and a return spring mounting bolt 4f, one end of the operating rod 4d is connected with the coupler knuckle 4b, the middle part of the operating rod 4d is connected with one end of the return spring 4e, the other end of the return spring 4e is connected with a return spring mounting bolt 4f, the return spring mounting bolt 4f is arranged on the coupler body 4a, a coupler connecting pin hole 4g matched with the coupler bolt is arranged at the coupler tail of the coupler body 4a, and the coupler tail is arranged in the coupler seat 1j through the coupler connecting pin hole. The operation rod 4d is operated manually to realize the connection and the disconnection of the tight-lock type connection coupler 4, so that the requirement of the marshalling use of the freight car is met, and the cost is greatly reduced; meanwhile, the coupler yoke is directly arranged in the coupler seat 1j through the coupler connecting pin hole 4g and the coupler bolt, so that the structure is simple and compact, and the safety and the reliability are realized.

The other end of the operation lever 4d is provided with a handle 4h. The added handle 4h facilitates the operation of the operating lever 4 d. The middle part of the operating rod 4d is provided with an operating rod clamping rod 4j with an operating rod clamping groove 4i, and the hook body 4a is provided with an operating rod clamping bolt 4k matched with the operating rod clamping groove 4 i. The operating lever clamping bolt 4k is provided with two inserting positions, namely a clamping position and a avoiding position (two hole positions in fig. 34), when the two closely connected couplers 4 are connected, the operating lever clamping bolt 4k is inserted on the avoiding position so as to prevent the operating lever clamping bolt 4k from interfering with the operating lever clamping rod 4j, when the two closely connected couplers 4 are unhooked, the operating lever 4d is pulled to be in place firstly, and then the operating lever clamping bolt 4k is inserted on the clamping position, so that the operating lever clamping bolt 4k is clamped in the operating lever clamping groove 4 i. Through adding the action bars clamping bars 4j with action bars clamping grooves 4i in the middle of the action bars 4d, and adding action bars clamping pins 4k on the coupler body 4a, when the tight-lock type connecting coupler 4 is unhooked, the action bars clamping pins 4k can limit the reset spring 4e to pull the coupler knuckle 4b to rotate, so that the two couplers can be directly separated, and the unhooking of the tight-lock type connecting coupler 4 is facilitated. The end of the operating rod 4d connected with the coupler knuckle 4b is provided with threads, and the threaded end of the operating rod 4d passes through the coupler knuckle 4b and is connected with the coupler knuckle 4b through a nut. The operating rod 4d is provided with an anti-rotation clamping block 4m at a position corresponding to the thread, and the hook tongue 4b is provided with an anti-rotation clamping groove matched with the anti-rotation clamping block 4m at a position corresponding to the hook tongue. The added anti-rotation clamping block 4m can effectively prevent the operation rod 4d from rotating, thereby further facilitating the operation. The middle part of the operating rod 4d is provided with a return spring connecting pin 4n, and the operating rod 4d is connected with the return spring 4e through the return spring connecting pin 4 n. By adopting the structure of the return spring connecting pin 4n to install the return spring 4e, the assembly and maintenance are facilitated.

The embodiment further comprises a tight junction coupler support assembly 5, wherein two ends of the tight junction coupler support assembly 5 are respectively connected with the front ends of the two longitudinal beams 1a, and the tight junction coupler 4 is supported on the middle part of the tight junction coupler support assembly 5. The added tight coupler support assembly 5 improves the connection reliability and stability of the tight coupler 4. The tight joint coupler bearing assembly 5 comprises a bearing front end plate 5a with a U-shaped structure, a joist 5b with a U-shaped structure, two joist installation seats 5c and two bearing springs 5d, wherein two ends of the bearing front end plate 5a are respectively installed on the front end faces of the two longitudinal beams 1a, the two joist installation seats 5c are respectively correspondingly installed on two ends of the bearing front end plate 5a, the two bearing springs 5d are respectively installed in the two joist installation seats 5c through bearing pins, two ends of the joist 5b are respectively pressed on the upper ends of the two bearing springs 5d, and the tight joint coupler 4 is supported on the joist 5 b. The added supporting spring 5d can effectively play a role in supporting and adjusting the height of the coupler.

The inner web plate at the rear end of the longitudinal beam 1a is respectively provided with a front slave plate seat 1k and a rear slave plate seat 1m, a coupler anti-bouncing plate 1n is arranged between the two longitudinal beams 1a at the positions corresponding to the positions above the front slave plate seat 1k and the rear slave plate seat 1m, and a coupler buffer device 6 is arranged between the front slave plate seat 1k and the rear slave plate seat 1 m. The coupler buffer device 6 is additionally arranged to facilitate the connection between the car bodies. The rear end faces of the two longitudinal beams 1a are provided with rear end plates 1p, and the rear end plates 1p are provided with impact seat assemblies 7 for supporting the coupler buffer devices 6. The added impact seat assembly 7 improves the connection reliability and stability of the coupler buffer device 6.

The above-mentioned impact seat assembly 7 includes the impact seat body 7a of U-shaped structure and coupler buffer carrier 7b, impact seat body 7a install on the back end plate 1p and the opening of impact seat body 7a is arranged down, coupler buffer carrier 7b installs the opening part of impact seat body 7a, coupler buffer 6 shelves on the coupler buffer carrier 7 b. By designing the impact seat body 7a to be of a U-shaped structure and sealing with the coupler buffer carrier beam 7b, the installation and the disassembly of the coupler buffer 6 are facilitated.

In the embodiment, the single-axle bogie 3 is fixedly arranged on the frame 1 through the frame connecting component 3f, and the suspension 2 is designed into a two-stage bearing air bag with a large stroke, so that the single-axle bogie 3 can be directly lifted away from the rail surface through the large-stroke suspension 2 during railway transportation to public transportation, and other equipment is not needed to assist in matching, thereby greatly improving the transportation time; the highway and railway dual-purpose vehicle is transported without the assistance of other equipment, so that the highway and railway dual-purpose vehicle only needs to perform highway-railway conversion at a railway station with a hardened ballast bed suitable for the length of the vehicle, and the ballast bed surface and the rail surface are high and can be gently transited to the ground, thereby greatly reducing the threshold of using highway-railway conversion at the railway station; the bearing sleeper beam 1e not only plays a role in bearing a container, but also plays a role in connecting the frame 1 and the single-axle bogie 3; the secondary carrier airbag 2e is mounted in the side member 1a by the carrier airbag mounting seat 1d, so that the stroke of the suspension 2 can be increased while the structure is made more compact.

Meanwhile, the matched guiding parts 2d1 and the guiding grooves 1d3 of the added supporting seat can ensure the longitudinal and transverse positioning and stable operation of the bearing air bag; the added two lifting air bag mounting reinforcing plates 1c2 ensure the mounting stability of the lifting air bag 2 b; the bogie connecting seat 1f with the U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam 1e, so that the connection of the frame connecting assembly 3f is facilitated; the added bogie limiting clamping plate 1g is matched with the frame limiting connecting seat 3f2, so that the excessive rotation quantity of the bogie is prevented, and the reliability of the connection between the frame 1 and the single-axle bogie 3 is further ensured; the added center plate seat 1h can ensure the transmission of the longitudinal traction force and the longitudinal braking force of the train, and further ensure the reliability of the connection between the frame 1 and the single-axle bogie 3; the added secondary rubber spring assembly 3g can play a role in damping vertical dynamic force on one hand and plays a role in supporting on the other hand; the secondary rubber spring connecting seat 1i with a U-shaped structure is additionally arranged on the bottom surface of the bearing sleeper beam 1e, so that the secondary rubber spring mounting plate 3g1 is convenient to mount and fix; reinforcing connecting ribs are additionally arranged on the top surface of the bogie connecting seat 1f and the top surface of the secondary rubber spring connecting seat 1i respectively, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam 1e, and reinforcing ribs are additionally arranged on the outer side wall of the bogie limiting clamping plate 1g, so that the structural strength is ensured, and the reliability of connection between the frame 1 and the single-axle bogie 3 is further improved; by adopting the unit brake 3e1 as brake, the arrangement of the brake pipeline can be effectively simplified, the structure is more compact, and the installation is more convenient; through adding and establishing heart dish seat baffle 1h4 between the outer wall of heart dish seat center tube 1h5 and heart dish seat web 1h3 to also add and establish heart dish seat baffle 1h4 between the inner web of heart dish seat center tube 1h 5's outer wall and two longerons 1a, improved heart dish seat 1 h's intensity like this greatly.

In addition, a coupler seat 1j is additionally arranged between the front ends of the two longitudinal beams 1a, and a tight-lock type connecting coupler 4 is arranged in the coupler seat 1j through a coupler bolt, so that the connection between two car bodies is facilitated; the operation rod 4d is operated manually to realize the connection and the disconnection of the tight-lock type connection coupler 4, so that the requirement of the marshalling use of the freight car is met, and the cost is greatly reduced; the coupler yoke is directly arranged in the coupler seat 1j through the coupler connecting pin hole 4g and the coupler bolt, so that the structure is simple and compact, and the safety and the reliability are realized; through additionally arranging an operating rod clamping rod 4j with an operating rod clamping groove 4i at the middle part of an operating rod 4d and additionally arranging an operating rod clamping bolt 4k on a coupler body 4a, when the tight-lock type connecting coupler 4 is unhooked, the operating rod clamping bolt 4k can limit a reset spring 4e to pull a coupler knuckle 4b to rotate, so that the two couplers can be directly separated, and the unhooking of the tight-lock type connecting coupler 4 is facilitated; the added anti-rotation clamping block 4m can effectively prevent the operation rod 4d from autorotation, thereby further facilitating the operation; the return spring 4e is installed by adopting the structure of the return spring connecting pin 4n, so that the assembly and maintenance are convenient; the added tight joint coupler bearing assembly 5 improves the connection reliability and stability of the tight joint coupler 4; the added supporting spring 5d can effectively play a role in supporting and adjusting the height of the coupler.

Finally, the coupler buffer device 6 is additionally arranged, so that the connection between the car bodies is convenient; the added impact seat assembly 7 improves the connection reliability and stability of the coupler buffer device 6; by designing the impact seat body 7a to be of a U-shaped structure and sealing with the coupler buffer carrier beam 7b, the installation and the disassembly of the coupler buffer 6 are facilitated.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a single-axle bogie, its characterized in that includes framework (3 a), a axlebox (3 b) is installed respectively at the bottom surface both ends of framework (3 a), two install shaft subassembly (3 c) between axlebox (3 b), axlebox (3 b) with be equipped with one between framework (3 a) and tie damping spring assembly (3 d), a brake subassembly (3 e) is installed respectively in the bottom surface both ends of framework (3 a) corresponding to the position of the wheel of shaft subassembly (3 c), the top surface middle part of framework (3 a) is equipped with the heart disk round pin, the top surface both ends of framework (3 a) are equipped with one frame coupling subassembly (3 f) respectively, frame coupling subassembly (3 f) are including one frame connecting plate (3 f 1), the middle part of frame connecting plate (3 f 1) is equipped with spacing connecting seat (3 f 2) of upwards protruding, frame spacing connecting seat (3 f 2) are square cavity structure, the top surface of frame spacing connecting seat (3 f 2) is equipped with connection slot hole (3 f) respectively along the position of the wheel of wheel subassembly (3 c), two frame connecting plate (3 g) are equipped with two rubber spring assembly (3 g) two in the two rubber tie rubber (3 g) are equipped with two respectively in the frame connecting plate (3 g) 1), the lower end of the secondary rubber spring (3 g 2) is clamped on the frame connecting plate (3 f 1), and the upper end of the secondary rubber spring (3 g 2) is vulcanized on the secondary rubber spring mounting plate (3 g 1);

A bearing sleeper beam (1 e) is arranged on the outer side of a longitudinal beam (1 a) of the frame (1), a bogie connecting seat (1 f) with a U-shaped structure is arranged on the bottom surface of the bearing sleeper beam (1 e), a bogie connecting long hole (1 f 1) is longitudinally formed in the bottom surface of the bogie connecting seat (1 f), and two bogie limiting clamping plates (1 g) are respectively arranged at two ends of the bogie connecting seat (1 f); the upper connector of the I-shaped connecting piece (3 f 4) is inserted into the bogie connecting slot hole (1 f 1) in a limiting manner, two ends of the upper connector of the I-shaped connecting piece (3 f 4) are fixedly connected with the bogie connecting seat (1 f) respectively, and the frame limiting connecting seat (3 f 2) with a square cavity structure is clamped between the two bogie limiting clamping plates (1 g); the bearing sleeper beam is characterized in that a U-shaped structure of a secondary rubber spring connecting seat (1 i) is arranged on the bottom surface of the bearing sleeper beam (1 e) corresponding to the position of the secondary rubber spring mounting plate (3 g 1), the bottom surface of the secondary rubber spring connecting seat (1 i) is connected with the secondary rubber spring mounting plate (3 g 1), the brake assembly (3 e) comprises a unit brake (3 e 1) and a brake vertical mounting plate (3 e 2), the upper end of the brake vertical mounting plate (3 e 2) is mounted on the bottom surface of the framework (3 a) corresponding to the position of a wheel of the wheel axle assembly (3 c), the unit brake (3 e 1) is mounted on the lower end of the brake vertical mounting plate (3 e 2), and the brake shoe of the unit brake (3 e 1) faces the wheel of the wheel axle assembly (3 c).

2. The single-axle bogie according to claim 1, wherein the top surface of the bogie connecting seat (1 f) and the top surface of the secondary rubber spring connecting seat (1 i) are respectively provided with reinforcing connecting ribs, the reinforcing connecting ribs are welded with the bottom surface of the bearing sleeper beam (1 e), and the outer side wall of the bogie limiting clamping plate (1 g) is also provided with reinforcing ribs.

3. The single-axle bogie according to claim 1, wherein the upper and lower tie-beams (1 e1, 1e 2) are arranged in parallel, the upper and lower tie-beams (1 e1, 1e 2) are connected with the lower tie-beams (1 e 2) through the upper tie-beam webs (1 e 4) arranged at intervals in the longitudinal direction, the adjacent two tie-beams (1 e 4) are connected with each other through the tie-beam spacers (1 e 5), the inner sides of the upper and lower tie-beams (1 e1, 1e 2) are connected with the longitudinal beams (1 a) through the upper tie-beams (1 e 2), and the outer sides of the upper and lower tie-beams (1 e 2) are connected with the outer sides of the upper and lower tie-beams (1 e 2) through the tie-beams (1 e 4) through the tie-beams (1 e 5).

4. A road and rail vehicle, characterized by comprising a frame (1), a large-stroke suspension (2) and a single-axle bogie as claimed in claim 1, wherein the suspension (2) and the single-axle bogie are fixedly mounted on the frame (1) respectively.

5. The highway and railway dual-purpose vehicle according to claim 4, wherein a bearing sleeper beam (1 e) is installed on the outer side of a longitudinal beam (1 a) of the vehicle frame (1), a bogie connecting seat (1 f) with a U-shaped structure is arranged on the bottom surface of the bearing sleeper beam (1 e), a bogie connecting long hole (1 f 1) is longitudinally arranged on the bottom surface of the bogie connecting seat (1 f), and two bogie limiting clamping plates (1 g) are respectively arranged at two ends of the bogie connecting seat (1 f); the upper connector of the I-shaped connecting piece (3 f 4) is inserted into the bogie connecting slot hole (1 f 1) in a limiting manner, two ends of the upper connector of the I-shaped connecting piece (3 f 4) are fixedly connected with the bogie connecting seat (1 f) respectively, and the frame limiting connecting seat (3 f 2) with a square cavity structure is clamped between the two bogie limiting clamping plates (1 g); the bottom surface of the bearing sleeper beam (1 e) is provided with a secondary rubber spring connecting seat (1 i) with a U-shaped structure corresponding to the position of the secondary rubber spring mounting plate (3 g 1), and the bottom surface of the secondary rubber spring connecting seat (1 i) is connected with the secondary rubber spring mounting plate (3 g 1).

6. The highway and railway dual-purpose vehicle according to claim 5, wherein the top surface of the bogie connecting seat (1 f) and the top surface of the secondary rubber spring connecting seat (1 i) are respectively provided with a reinforcing connecting rib, the reinforcing connecting rib is welded with the bottom surface of the bearing sleeper beam (1 e), and the outer side wall of the bogie limiting clamping plate (1 g) is also provided with a reinforcing rib.

7. The highway and railway vehicle according to claim 4, characterized in that the brake assembly (3 e) comprises a unit brake (3 e 1) and a brake vertical mounting plate (3 e 2), the upper end of the brake vertical mounting plate (3 e 2) being mounted on the bottom surface of the frame (3 a) in a position corresponding to the wheels of the axle assembly (3 c), the unit brake (3 e 1) being mounted on the lower end of the brake vertical mounting plate (3 e 2), the brake shoes of the unit brake (3 e 1) being arranged towards the wheels of the axle assembly (3 c).

8. The highway and railway dual-purpose vehicle according to claim 5, wherein the bearing sleeper beam (1 e) comprises an upper bearing sleeper beam cover plate (1 e 1), a lower bearing sleeper beam cover plate (1 e 2), a bearing sleeper beam sealing plate (1 e 3), a bearing sleeper beam web plate (1 e 4) and a bearing sleeper beam partition plate (1 e 5), the upper bearing sleeper beam cover plate (1 e 1) and the lower bearing sleeper beam cover plate (1 e 2) are arranged up and down in parallel, the upper bearing sleeper beam cover plate (1 e 1) is connected with the lower bearing sleeper beam cover plate (1 e 2) through the bearing sleeper beam web plates (1 e 4) which are arranged at intervals in the longitudinal direction, two adjacent bearing sleeper beam cover plates (1 e 4) are connected through the bearing sleeper beam partition plate (1 e 5), the inner side edges of the upper bearing sleeper beam cover plate (1 e 1) and the lower bearing sleeper beam cover plate (1 e 2) are connected with the longitudinal beam cover plate (1 a), and the outer side edges of the upper bearing sleeper beam cover plate (1 e 2) are connected with the outer bearing sleeper beam cover plate (1 e 2) through the bearing sleeper beam cover plate (1 e 2).