CN117341741A - Railway beam transporting equipment with three-level balanced structure - Google Patents

Abstract

The embodiment of the application provides railway beam transporting equipment with a three-level balanced structure, wherein a middle underframe is arranged at the bottom of a frame, and a core disc device and a side bearing device are arranged between the middle underframe and the frame; the small underframe is arranged at the bottom of the middle underframe, and a core disc device and a side bearing device are arranged between the small underframe and the middle underframe; the track running device is arranged at the bottom of the small underframe, and a core disc device and a side bearing device are arranged between the track running device and the small underframe; the trolley is detachably connected to a small underframe at the end part of the frame, the trolley is used for installing a railway transportation frame device, and the trolley is provided with a track running mechanism. The utility model provides a tertiary balanced structure railway fortune roof beam equipment compares in one-level and secondary balanced structure fortune roof beam car, and well chassis below has more track running gear, and more track running gear makes the fortune roof beam car of this application can bear and transport heavy load roof beam body of large-section, goods and equipment, realizes that the frame is integrative to trade, has reduced and has traded roof beam time and trade roof beam expense.

Description

Railway beam transporting equipment with three-level balanced structure

Technical Field

The application relates to the technical field of railway construction equipment, in particular to railway beam transporting equipment with a three-level balanced structure.

Background

In places with early construction time of railway bridges in China, particularly mountain bridges, the ageing of the bridges is serious, and along with the expansion of the speed acceleration and the running energy of railways, the aged bridges cannot meet the requirements of strength and rigidity and must be replaced. In the existing railway bridge replacement or new construction process, a girder transporting vehicle is an indispensable construction device.

The beam transporting vehicle in the prior art is generally used for transporting beams in a road surface form outside the existing railway line, and is difficult to adapt to the beam transporting with a large curve radius on the existing railway line. In addition, the railway beam changing equipment and the simply supported beams are heavy-load cargoes, and the primary and secondary balance structure beam transporting vehicles hardly meet the load requirement, so that the three-level balance structure beam transporting vehicles have great demand space.

Disclosure of Invention

The invention aims to solve the technical problems of overcoming the defects of the prior art, providing the railway beam transporting equipment with the three-level balanced structure, and solving the problem that the existing beam transporting vehicle with the one-level and two-level balanced structures is difficult to meet the load requirement.

In order to achieve the above object, the present invention adopts the following technical scheme:

a three-level equalization structured railway beam handling apparatus comprising:

a frame;

the middle underframe is arranged at the bottom of the frame, and a core disc device and a side bearing device are arranged between the middle underframe and the frame;

the small underframe is arranged at the bottom of the middle underframe, and a core disc device and a side bearing device are arranged between the small underframe and the middle underframe;

the track running device is arranged at the bottom of the small underframe, and a core disc device and a side bearing device are arranged between the track running device and the small underframe;

the trolley is detachably connected to a small underframe at the end part of the frame and used for installing a railway transportation frame device, and is provided with a track running mechanism.

Optionally, the trolley is provided with a trolley underframe, and the track running mechanism is arranged at the bottom of the trolley underframe; a core disc device and a side bearing device are arranged between the trolley underframe and the track running mechanism; the railway transfer frame device is supported on the trolley underframe, and a core disc device and a side bearing device are arranged between the railway transfer frame device and the trolley underframe; the trolley underframe is connected with the small underframe positioned at the end part of the trolley frame through a coupler buffer device.

Optionally, the railway beam transporting device with the three-level balanced structure comprises a tail supporting device, wherein the tail supporting device is connected with the frame and is supported on a rail or the railway transfer frame device.

Optionally, the tail support device is provided with two beam bodies arranged at intervals; the small underframe at the end part of the frame is connected with a traction beam; the tail end of the end part of the traction beam is provided with an end plate, the end plate is used for being connected with a coupler buffer device, and the coupler buffer device is connected with the trolley; the two sides of the end plate are respectively provided with an avoidance part, and the avoidance parts are used for avoiding the beam body.

Optionally, the middle chassis includes a first middle beam, a first end bolster, and a first middle bolster; the first end sleeper beams are arranged on two sides of the end of the first middle beam; the first middle sleeper beams are arranged on two sides of the middle of the first middle sleeper beams; a side bearing device is arranged between the first end sleeper beam and the small underframe, and a core disc device is arranged between the end of the first middle beam and the small underframe; the first middle beams are arranged between the positions between the two first middle sleeper beams and the frame, a core disc device is arranged between the positions on the first middle sleeper beams, on which the first middle sleeper beams are arranged, and a side bearing device is arranged between the frame.

Optionally, the thickness of the first intermediate beam gradually decreases in a direction from the middle to both ends of the first intermediate beam.

Optionally, the first middle beam has a first web, a first lower cover plate, and a first upper cover plate; the first web is arranged between the first upper cover plate and the first lower cover plate, and the first web is respectively connected with the first upper cover plate and the first lower cover plate; the middle part of the first upper cover plate is integrally formed with a first extension plate which extends vertically to two sides; the first middle sleeper beam is fixed on the lower side of the first extension plate.

Optionally, the first lower cover plate includes a first middle lower cover plate and a first end lower cover plate; the first end lower cover plate is arranged on two sides of the first middle lower cover plate; in the direction from the first middle lower cover plate to the two ends of the first middle beam, the first end lower cover plate is gradually close to the first upper cover plate, and the first end lower cover plate is arc-shaped.

Optionally, the small chassis includes a second middle beam, a second end bolster, and a second middle bolster; the second end sleeper beams are arranged on two sides of the end of the second middle beam; the second middle sleeper beams are arranged on two sides of the middle of the second middle sleeper beams; a side bearing device is arranged between the second end sleeper beam and the small underframe, and a core disc device is arranged between the end of the second middle beam and the small underframe; the core disc device is arranged between the middle underframe and the part of the second middle beam, which is positioned between the two second middle sleeper beams, and the side bearing device is arranged between the part of the second middle sleeper beam, which is arranged on the second middle beam, and the middle underframe.

Optionally, the second middle beam has a second web, a second lower cover plate, and a second upper cover plate; the second web is arranged between the second upper cover plate and the second lower cover plate, and the second web is respectively connected with the second upper cover plate and the second lower cover plate; the middle part of the second upper cover plate is integrally formed with a second extending plate which extends vertically to two sides; the second middle sleeper beam is fixed on the lower side of the second extension plate.

Optionally, two track running devices are arranged at the bottom of each small underframe; the track running device comprises at least three rotating shafts, and track matching wheels are arranged at two ends of each rotating shaft.

By adopting the technical scheme, the embodiment of the application has the following technical effects:

the railway transportation frame construction of the railway bridge universality can be realized by the railway transportation beam equipment with the three-level balanced structure, and the railway transportation frame construction method is suitable for high-clearance, heavy load, under-bridge, tunnel and other terrain complex and extreme environments. Compared with the beam transporting vehicle with the primary and secondary balance structures, the rail transporting vehicle with the tertiary balance structure has more rail running devices below the middle underframe of the railway beam transporting device, has the characteristics of low clearance and heavy load structure transportation, can bear and transport large-section heavy load beam bodies, cargoes and equipment, carries the beam bodies with the length of more than sixteen meters, the beam changing and transporting frame working device and the power control device on the beam transporting vehicle, realizes the integration of the beam changing and transporting frame, improves the working efficiency, reduces the beam changing time and the beam changing cost, and realizes great breakthrough in the beam changing technology. Meanwhile, the railway transfer frame device can be installed on the trolley, and is an important device for taking part in moving away the old simple beam and changing the new simple beam after the new simple beam is transported in place. Further, the arrangement of the track running device and the track running mechanism also enables the application to be carried out on a railway track, and can meet the requirement of a running beam with a large curve radius on a railway line.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic structural diagram of a railway beam transporting device with a three-level balanced structure according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a trolley and a tail support device of a railway beam transporting device with a three-level balanced structure according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a middle chassis, a small chassis and a track running device of a three-level balanced structure railway beam transporting device provided by an embodiment of the present application assembled together;

fig. 4 is a schematic structural diagram of a middle chassis of a railway beam transporting device with a three-level balanced structure according to an embodiment of the present application;

fig. 5 is a schematic structural view of a first intermediate beam of an intermediate chassis of a railway beam transporting apparatus with a three-level equalizing structure according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a small chassis and a traction beam of a railway beam transporting device with a three-level balanced structure according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a second intermediate beam of a small chassis of a railway beam transporting device with a three-level equilibrium structure according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a traction beam of a railway beam transporting device with a three-level balanced structure according to an embodiment of the present application;

FIG. 9 is a schematic structural view of a frame, a middle chassis, a small chassis and a track running device of a three-level balanced structure railway beam-transporting apparatus provided in an embodiment of the present application assembled together;

fig. 10 is a schematic structural diagram of a frame of a railway beam transporting device with a three-level equilibrium structure according to an embodiment of the present application;

fig. 11 is a schematic structural view of a side rail of a frame of a railway beam transporting apparatus with a three-level equilibrium structure according to an embodiment of the present application

Fig. 12 is a schematic structural diagram of a track running device of a railway beam transporting apparatus with a three-level equilibrium structure according to an embodiment of the present application.

Reference numerals: 1. a frame; 11. a cross beam; 12. a sleeper beam; 13. edge beams; 131. a roof side rail; 132. a lower edge beam; 2. a middle chassis; 21. a first intermediate beam; 211. a first web; 212. a first lower cover plate; 213. a first upper cover plate; 214. a first separator; 22. a first end bolster; 23. a first middle bolster; 3. a small chassis; 31. a second intermediate beam; 311. a second web; 312. a second lower cover plate; 313. a second upper cover plate; 32. a second end bolster; 33. a second middle bolster; 4. a track running device; 5. a core plate device; 6. side bearing means; 7. a rotating shaft; 8. a rail mating wheel; 9. a transport platform; 10. a guide rail; 14. a power operation chamber; 15. a coupler buffer device; 16. a braking device; 17. an end beam; 18. avoiding the notch; 19. a trolley; 191. a track running mechanism; 192. a trolley chassis; 20. tail support means; 24. a beam body; 25. a traction beam; 26. an end plate; 27. a center sill; 28. a stiffening beam; 29. a front slave plate seat; 30. a rear slave plate seat; 34. and a reinforcing plate.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

Referring to fig. 1 to 12, the present embodiment provides a railway beam transporting apparatus of three-stage equalizing structure, comprising: the device comprises a frame 1, a middle underframe 2, a small underframe 3, a track running device 4 and a trolley 19, wherein the middle underframe 2 is arranged at the bottom of the frame 1, and a core disc device 5 and a side bearing device 6 are arranged between the middle underframe 2 and the frame 1; the small underframe 3 is arranged at the bottom of the middle underframe 2, and a core disc device 5 and a side bearing device 6 are arranged between the small underframe 3 and the middle underframe 2; the track running device 4 is arranged at the bottom of the small underframe 3, and a core disc device 5 and a side bearing device 6 are arranged between the track running device 4 and the small underframe 3; the trolley 19 is detachably connected to the small chassis 3 at the end of the frame 1, the trolley 19 is used for installing railway carriage changing devices, and the trolley 19 is provided with a track running mechanism 191. The railway beam transporting equipment with the three-level balanced structure provided by the embodiment of the application is characterized in that a track running device 4, a small underframe 3, a middle underframe 2 and a frame 1 are sequentially arranged from bottom to top, a first level is arranged between the track running device 4 and the small underframe 3, a first level is arranged between the small underframe 3 and the middle underframe 2, a first level is arranged between the middle underframe 2 and the frame 1, and the total is three levels. The girder transporting equipment can realize the construction of the transporting frame of the railway bridge universality, and is suitable for the complex terrain and extreme environments such as high clearance, heavy load, under-bridge, tunnel and the like. Compared with a primary and secondary balance structure beam transporting vehicle, the three-level balance structure railway beam transporting device has the advantages that more rail running devices 4 are arranged below the middle underframe 2 of the railway beam transporting device, the rail running devices 4 enable the beam transporting device to have the characteristics of low clearance and heavy load structure transportation, can bear and transport large-section heavy load beam bodies, cargoes and devices, and is provided with a beam body with the length of more than sixteen meters, a beam changing frame working device and a power control device, so that the beam changing frame is integrated, the working efficiency is improved, the beam changing time and beam changing cost are reduced, and a great breakthrough is realized in the beam changing technology. Meanwhile, a railway transfer rack device can be installed on the trolley 19, and is an important device for transferring old simply supported beams to replace new simply supported beams after the new simply supported beams are transported in place. The trolley is detachably connected with the small underframe at the end part of the frame, so that the trolley is conveniently separated from the frame, the trolley is conveniently loaded and transported by the railway transportation frame device, the flexibility is better, and the engineering difficulty is reduced. Further, the arrangement of the track running gear 4 and the track running mechanism 191 also enables the present application to be performed on a railway track, and can satisfy a large curve radius of a girder on a railway line. Wherein, core device 5 includes core and lower core, goes up the core setting on being in the part of top in upper and lower two adjacent parts, and lower core setting is on the part that is in the below, goes up the connected mode between core and the lower core for prior art, and this application is not repeated here. The side bearing means 6 comprises a plurality of balls which support the component located thereon and which also reduce friction when the component moves relative to the component below it, the side bearing means 6 also being of prior art and the specific structure of the side bearing means 6 other than the balls being omitted from this application.

Referring to fig. 2, the trolley 19 has a trolley chassis 192, and the rail running mechanism 191 is provided at the bottom of the trolley chassis 192; a core plate device 5 and a side bearing device 6 are arranged between the trolley underframe 192 and the track running mechanism 191; a railway carriage assembly (not shown) is supported on the trolley chassis 192, and a core plate assembly 5 and a side bearing assembly 6 are arranged between the railway carriage assembly and the trolley chassis 192; the trolley chassis 192 and the small chassis 3 at the end of the frame 1 are connected by a coupler buffer 15.

In this embodiment, the rail running mechanism 191 has rollers capable of running on the rail, so that it is ensured that the carriage 19 can run on the rail. The carriage chassis 192 of the carriage 19 is used for loading, and a railway carriage assembly may be mounted on the carriage chassis 192.

In one possible embodiment, the railway beam transporting device with the three-stage equilibrium structure comprises a tail support device 20, wherein the tail support device 20 is connected to the frame 1, and the tail support device 20 is supported on a rail or the railway transfer frame device to play a role of stable support and avoid unstable support of the tail end of the frame when the simple beam moves to one side of the tail end of the frame.

Specifically, the tail support device 20 has two beams 24 spaced apart; the small underframe 3 positioned at the end part of the frame 1 is connected with a traction beam 25; an end plate 26 is arranged at the tail end of the end part of the traction beam 25, the end plate 26 is used for being connected with a coupler buffer device 15, and the coupler buffer device 15 is connected with the trolley 19; the two sides of the end plate 26 are respectively provided with an avoidance portion, and the avoidance portions are used for avoiding the beam body 24.

In this embodiment, the traction beam 25 extends out of the track running device 4, and the traction beam 25 is more convenient to connect with the trolley 19, and the end plate 26 of the traction beam 25 has a larger area of side surface, which is also convenient for installing the coupler buffer device 15. After the tail support device 20 is connected with the frame 1, the two beam bodies 24 of the tail support device 20 are provided with parts at the avoiding parts of the end plates 26, so that the tail support device 20 and the traction beams 25 can be mutually nested, the tail support device 20 and the traction beams are conveniently assembled, interference between the tail support device 20 and the frame 1 is avoided, and the tail support device 20 and the frame 1 are more firmly connected.

Referring to fig. 8, the draft sill 25 is of an inverted T-shaped design and includes a center sill 27, end plates 26, reinforcement beams 28, front and rear slave plate holders 29, 30 and reinforcement plates 34. The middle beam 27 is of a handle type structure, and the cutter head is welded and fixed with the end plate 26; the reinforcing beams 28 are respectively welded and fixed with the middle beams 27 and the end plates 26; two front slave plate seats 29, two rear slave plate seats 30 and four reinforcing plates 34 are symmetrically arranged on two sides of the middle beam 27, the front slave plate seats 29 and the rear slave plate seats 30 are fixed by standard components, and the reinforcing plates 34 are welded and fixed.

Referring to fig. 4, the middle chassis 2 includes a first middle beam 21, a first end bolster 22, and a first middle bolster 23; the first end bolster 22 is provided on both sides of the end of the first intermediate beam 21; the first middle sleeper beams 23 are arranged at both sides of the middle of the first middle sleeper beam 21; a side bearing device 6 is arranged between the first end sleeper beam 22 and the small underframe 3, and a core disc device 5 is arranged between the end of the first middle beam 21 and the small underframe 3; the core plate device 5 is arranged between the part of the first middle beam 21 between the two first middle sleeper beams 23 and the frame 1, and the side bearing device 6 is arranged between the part of the first middle sleeper beams 23 mounted on the first middle beam 21 and the frame 1.

Specifically, the thickness of the first intermediate beam 21 gradually decreases in the direction from the middle to both ends of the first intermediate beam 21. The first intermediate beam 21 is a concave box beam structure, and since the middle portion of the first intermediate beam 21 is a main bearing area, when the thickness of the first intermediate beam 21 gradually decreases from the middle portion to both ends, it is possible to ensure that the middle portion thereof has a sufficient bearing capacity.

Referring to fig. 5, the first middle beam 21 has a first web 211, a first lower cover plate 212, and a first upper cover plate 213; the first web 211 is disposed between the first upper cover plate 213 and the first lower cover plate 212, and the first web 211 connects the first upper cover plate 213 and the first lower cover plate 212, respectively; a first extending plate extending vertically to two sides is integrally formed in the middle of the first upper cover plate 213; the first middle bolster 23 is fixed to the lower side of the first extension plate.

In this technical scheme, first intermediate beam 21 is by first web 211, first lower apron 212 and first upper cover plate 213 welding shaping, and first intermediate beam 21 is hollow structure promptly, and while guaranteeing structural strength, self weight is lighter. In the prior art, the first extension plate is welded to the main body of the first upper cover plate 213, and the present application adopts an integral molding, which makes the structural strength of the first intermediate beam 21 higher. The first middle beam 21 further includes a first partition 214, where the first partition 214 is a transverse penetrating rib plate, and is connected between the left and right first webs 211, and the arrangement of the first partition 214 further enhances the structural strength of the first middle beam 21.

Specifically, the first lower cover plate 212 includes a first middle lower cover plate and a first end lower cover plate; the first end lower cover plate is arranged on two sides of the first middle lower cover plate; the first end lower cover plate gradually approaches the first upper cover plate 213 in a direction from the first middle lower cover plate to both ends of the first middle beam 21, and the first end lower cover plate is arc-shaped.

In this embodiment, the first middle lower cover plate is a square plate, and the area where the first middle lower cover plate is located is a main bearing surface. The arc-shaped first end lower cover plates positioned on two sides of the first middle lower cover plate are mainly used for avoiding the small underframe 3 positioned below the first end lower cover plates.

Referring to fig. 6, the small chassis 3 includes a second middle beam 31, a second end bolster 32, and a second middle bolster 33; the second end bolster 32 is disposed on both sides of the end of the second intermediate beam 31; the second middle sleeper beams 33 are disposed at both sides of the middle of the second middle sleeper beam 31; a side bearing device 6 is arranged between the second end sleeper beam 32 and the small underframe 3, and a core disc device 5 is arranged between the end of the second middle beam 31 and the small underframe 3; the core disc device 5 is arranged between the middle underframe 2 and the part of the second middle beam 31 between the two second middle sleeper beams 33, and the side bearing device 6 is arranged between the part of the second middle sleeper beams 33 on the second middle beam 31 and the middle underframe 2.

In this technical scheme, the small underframe 3 is formed by welding and welding a second middle beam 31, a second end sleeper beam 32 and a second middle sleeper beam 33.

Referring to fig. 7, the second intermediate beam 31 has a second web 311, a second lower cover plate 312, and a second upper cover plate 313; the second web 311 is disposed between the second upper cover 313 and the second lower cover 312, and the second web 311 connects the second upper cover 313 and the second lower cover 312, respectively; a second extending plate extending vertically to both sides is integrally formed at the middle part of the second upper cover plate 313; the second middle bolster 33 is fixed to the lower side of the second extension plate.

In this embodiment, the second intermediate beam 31 is formed by welding the second web 311, the second lower cover plate 312, and the second upper cover plate 313, that is, the second intermediate beam 31 has a hollow structure, so that the self weight is light while the structural strength is ensured. The second extension plate is integrally formed with the main body of the second upper cover plate 313 so that the structural strength of the second intermediate beam 31 is higher. The second intermediate beam 31 further includes a second partition plate, which is a transverse penetrating rib plate, and is connected between the left and right second webs 311, and the arrangement of the second partition plate further enhances the structural strength of the second intermediate beam 31.

Referring to fig. 3 and 12, two track running devices 4 are arranged at the bottom of each small underframe 3; the track running device 4 comprises at least three rotating shafts 7, and two ends of each rotating shaft 7 are provided with track matching wheels 8.

In this solution, there are two small chassis 3 below the middle chassis 2, and because there are two track running devices 4 below each small chassis 3, each track running device 4 has at least six track mating wheels 8, so there are at least twenty-four track mating wheels 8 below the middle chassis 2. The primary and secondary balance structure girder transporting vehicles are not provided with the middle underframe 2, at most, only one small underframe 3 is provided, and only two running devices are arranged below one small underframe 3, so that the primary and secondary balance structure girder transporting vehicles are provided with sixteen transporting wheels at most, and compared with the primary and secondary balance structure railway girder transporting devices, the primary and secondary balance structure railway girder transporting devices are provided with more rail matching wheels 8, and therefore the carrying capacity of the primary and secondary balance structure railway girder transporting devices is higher. The track running device 4 is further provided with a braking device 16, and the braking device 16 is more disclosed in the prior art, and the structure of the braking device is not repeated.

In one possible embodiment, the three-level equalization structured railway girder transporting equipment comprises a transporting platform 9; a guide rail 10 is arranged on the frame 1, and the guide rail 10 extends along the length direction of the frame 1; the transport platform 9 is slidably connected to the guide rail 10, the transport platform 9 being movable along the guide rail 10.

In this embodiment, two compartment rails 10 are provided on the frame 1, the rails 10 are fixedly connected to the frame 1 by welding, and the number of the transport platforms 9 is also two. The transportation platform 9 is used for placing the simply supported beams to be transported, and the transportation platform 9 is slidably connected to the guide rail 10 so that the transportation platform 9 can slide along the frame 1 with the simply supported beams, so that the simply supported beams are transported to beam changing equipment for subsequent beam changing work.

In one possible embodiment, the three-level equalization structure rail beam transport apparatus includes a power handling chamber 14, the power handling chamber 14 being disposed at one end of the frame 1. The power-operated chamber 14 is fixed to the frame 1 by means of welding.

Referring to fig. 10, the frame 1 includes a cross member 11, a bolster 12, and two side rails 13 disposed at intervals; each of the cross beams 11 and the sleeper beams 12 is arranged between two side beams 13, two ends of each of the cross beams 11 are respectively connected with two side beams 13, and two ends of each of the sleeper beams 12 are respectively connected with two side beams 13; a core plate device 5 is arranged between the sleeper beam 12 and the middle underframe 2.

In the technical scheme, the cross beam 11, the sleeper beam 12 and the side beams 13 can be fixed together in a welding mode to form the frame 1, and the frame 1 is formed by the cross beam 11, the sleeper beam 12 and the side beams 13, so that the bearing capacity of the frame 1 is good while the simple structure of the frame 1 is ensured. The cross members 11 at both ends of the side members 13 may also be end members 17. The sleeper beam 12 is connected with the middle underframe 2 through the core disc device 5, the core disc device 5 comprises an upper core disc and a lower core disc, the upper core disc is arranged on the sleeper beam 12, the lower core disc is arranged on the middle underframe 2, and the upper core disc is connected with the lower core disc to realize the connection between the frame 1 and the middle underframe 2. The connection between the upper core plate and the lower core plate is related to the prior art, and will not be described in detail herein.

Referring to fig. 11, a plurality of avoidance notches 18 are provided at the lower edge of the side beam 13, and the avoidance notches 18 are used for avoiding the second end sleeper beam 32 of the small chassis 3. Because the lower edge of the side beam 13 extends downwards longer and is lower than the second end sleeper beam 32 of the small underframe 3, if the avoidance notch 18 is not arranged, the side beam 13 and the second end sleeper beam 32 of the small underframe 3 are overlapped during assembly, so that the height of the girder transporting vehicle is higher. When the avoidance notch 18 is arranged, and the second end sleeper beam 32 of the small underframe 3 is positioned in the avoidance notch 18, the height of the beam transporting device is reduced, the gravity center moves downwards, and the beam transporting device is more stable in advancing.

In some possible embodiments, referring to fig. 1 and 11, the side sill 13 includes a top side sill 131 and a bottom side sill 132; the upper edge beam 131 is provided with a guide rail 10 for moving the transport platform 9, and the lower edge beam 132 is fixed on the upper edge beam 131. The rail 10 is welded to the upper surface of the roof rail 131, and the rail 10 is used for guiding and supporting the transported goods. The roof side rail 131 can be the box beam structure that the cross-sectional area is unchangeable, and the roof side rail 132 can be the box beam structure that the cross-sectional area changes, and roof side rail 131 and roof side rail 132 are hollow structure promptly, and the weight of frame 1 can be alleviateed in this kind of design when guaranteeing bearing capacity.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (11)

1. A three-level equalization structured railway beam transporting apparatus, comprising:

a frame;

the middle underframe is arranged at the bottom of the frame, and a core disc device and a side bearing device are arranged between the middle underframe and the frame;

the small underframe is arranged at the bottom of the middle underframe, and a core disc device and a side bearing device are arranged between the small underframe and the middle underframe;

the track running device is arranged at the bottom of the small underframe, and a core disc device and a side bearing device are arranged between the track running device and the small underframe;

the trolley is detachably connected to a small underframe at the end part of the frame and used for installing a railway transportation frame device, and is provided with a track running mechanism.

2. The three-level equalizer structure railway beam transport apparatus of claim 1, wherein the trolley has a trolley chassis, the track running mechanism being provided at a bottom of the trolley chassis;

a core disc device and a side bearing device are arranged between the trolley underframe and the track running mechanism;

the railway transfer frame device is supported on the trolley underframe, and a core disc device and a side bearing device are arranged between the railway transfer frame device and the trolley underframe;

the trolley underframe is connected with the small underframe positioned at the end part of the trolley frame through a coupler buffer device.

3. The three-level equalizer structure railway beam handling apparatus of claim 1, comprising a tail support device connected to the carriage, the tail support device being supported on a rail or the railway carriage assembly.

4. A three-level equalizer structure railway beam handling apparatus as claimed in claim 3 wherein the tail support means has two beams spaced apart;

the small underframe at the end part of the frame is connected with a traction beam;

the tail end of the end part of the traction beam is provided with an end plate, the end plate is used for being connected with a coupler buffer device, and the coupler buffer device is connected with the trolley;

the two sides of the end plate are respectively provided with an avoidance part, and the avoidance parts are used for avoiding the beam body.

5. The three-level equalizer structure rail girder transporting apparatus of claim 1, wherein the middle chassis comprises a first middle girder, a first end bolster, and a first middle bolster;

the first end sleeper beams are arranged on two sides of the end of the first middle beam;

the first middle sleeper beams are arranged on two sides of the middle of the first middle sleeper beams;

a side bearing device is arranged between the first end sleeper beam and the small underframe, and a core disc device is arranged between the end of the first middle beam and the small underframe;

the first middle beams are arranged between the positions between the two first middle sleeper beams and the frame, a core disc device is arranged between the positions on the first middle sleeper beams, on which the first middle sleeper beams are arranged, and a side bearing device is arranged between the frame.

6. The three-level equalizer structure railway girder transporting apparatus of claim 5, wherein the thickness of the first intermediate girder is gradually reduced in a direction from the middle portion to both ends of the first intermediate girder.

7. The three level equalizer structure railway beam handling apparatus of claim 5, wherein the first intermediate beam has a first web, a first lower deck, and a first upper deck;

the first web is arranged between the first upper cover plate and the first lower cover plate, and the first web is respectively connected with the first upper cover plate and the first lower cover plate;

the middle part of the first upper cover plate is integrally formed with a first extension plate which extends vertically to two sides;

the first middle sleeper beam is fixed on the lower side of the first extension plate.

8. The three-level equalizer structure railway beam delivery apparatus of claim 7, wherein the first lower deck comprises a first intermediate lower deck and a first end lower deck;

the first end lower cover plate is arranged on two sides of the first middle lower cover plate;

in the direction from the first middle lower cover plate to the two ends of the first middle beam, the first end lower cover plate is gradually close to the first upper cover plate, and the first end lower cover plate is arc-shaped.

9. The three level equalizer structure rail girder transporting apparatus of any one of claims 1 to 8, wherein the small undercarriage comprises a second intermediate girder, a second end bolster and a second middle bolster;

the second end sleeper beams are arranged on two sides of the end of the second middle beam;

the second middle sleeper beams are arranged on two sides of the middle of the second middle sleeper beams;

a side bearing device is arranged between the second end sleeper beam and the small underframe, and a core disc device is arranged between the end of the second middle beam and the small underframe;

the core disc device is arranged between the middle underframe and the part of the second middle beam, which is positioned between the two second middle sleeper beams, and the side bearing device is arranged between the part of the second middle sleeper beam, which is arranged on the second middle beam, and the middle underframe.

10. The tertiary balance railway girder apparatus of claim 9 wherein the second intermediate girder has a second web, a second lower deck and a second upper deck;

the second web is arranged between the second upper cover plate and the second lower cover plate, and the second web is respectively connected with the second upper cover plate and the second lower cover plate;

the middle part of the second upper cover plate is integrally formed with a second extending plate which extends vertically to two sides;

the second middle sleeper beam is fixed on the lower side of the second extension plate.

11. The three-level equalizer structure railway beam transport apparatus of any one of claims 1 to 8, wherein two track running means are provided at the bottom of each small chassis;

the track running device comprises at least three rotating shafts, and track matching wheels are arranged at two ends of each rotating shaft.