CN213740351U

CN213740351U - Track beam

Info

Publication number: CN213740351U
Application number: CN202022223603.1U
Authority: CN
Inventors: 周盼; 杜平; 肖辉
Original assignee: BYD Co Ltd; Huaian BYD Industrial Co Ltd
Current assignee: BYD Co Ltd; Huaian BYD Industrial Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-20
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a track beam, which comprises a steel beam section and a concrete beam section, wherein the concrete beam section and the steel beam section are arranged at intervals along the bridge direction, the steel beam section is provided with a first plate body, and the concrete beam section is provided with a second plate body matched with the first plate body; the upper surface of the first plate body and the upper surface of the second plate body are flush with the walking surface of the track beam, a first gap is formed between the first plate body and the second plate body, and the first gap is matched with the steel beam section and the expansion joint between the concrete beam sections. The utility model discloses a track roof beam can satisfy the flexible demand of warping of girder steel section and concrete beam section when satisfying that rail vehicle steadily passes through.

Description

Track beam

Technical Field

The utility model belongs to the technical field of the track traffic technique and specifically relates to a track roof beam is related to.

Background

Along with the continuous development and the expansion of track traffic networks, urban track traffic inevitably can appear the track roof beam form that girder steel and concrete beam combine, at girder steel section and concrete beam section butt joint part, in the correlation technique, adopt rigid connection between girder steel section and the concrete beam section, however, this kind of scheme is unfavorable for the flexible deformation of track roof beam, probably great potential safety hazard appears.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a track roof beam, it can satisfy the flexible demand of warping of steel beam section and concrete beam section when satisfying that rail vehicle steadily passes through.

According to the utility model discloses a track beam, include: the steel beam section is provided with a first plate body; the concrete beam section and the steel beam section are arranged at intervals along the bridge direction, and the concrete beam section is provided with a second plate body matched with the first plate body; the upper surface of the first plate body and the upper surface of the second plate body are flush with the walking surface of the track beam, a first gap is formed between the first plate body and the second plate body, and the first gap is matched with the steel beam section and the expansion joint between the concrete beam sections.

According to the utility model discloses a track roof beam, set up along following the bridge to the interval through concrete beam section and girder steel section, and concrete beam section and girder steel section are provided with the first plate body and the second plate body of mutual adaptation respectively to through the first clearance between first plate body and the second plate body and the expansion joint looks adaptation between girder steel section and the concrete beam section, make the track roof beam when satisfying the steady passing through of rail vehicle, satisfy the flexible demand of warping of girder steel section and concrete beam section.

In some examples, the width of the first gap along the bridge direction is not less than the width of the expansion joint along the bridge direction.

In some examples of the present invention, the first plate and the second plate are finger plates that mate with each other.

In some examples of the present invention, the end face of the first plate body close to the second plate body is formed as a first inclined plane, the end face of the second plate body close to the first plate body is formed as a second inclined plane, the first inclined plane and the second inclined plane are oppositely arranged and have the same inclination direction.

In some examples of the invention, the second plate body is detachably connected to the concrete beam section.

The utility model discloses in some examples, the second plate body is fixed in through first fastener the concrete beam section, the concrete beam section is provided with first pre-buried sleeve, the second plate body with be provided with first pre-buried steel sheet between the concrete beam section, first fastener passes in proper order the second plate body with behind the first pre-buried steel sheet with first pre-buried sleeve cooperation.

In some examples of the invention, the steel beam section has a running plate for the rail vehicle to run, the first plate body with the running plate integrated into one piece.

In some examples of the invention, the first plate body is detachably connected with the steel beam section.

In some examples of the present invention, the first plate body and the second plate body are protruded from the guide surface of the track beam along the transverse bridge direction to restrict the guide wheel of the rail vehicle from being separated upward.

In some examples, the steel beam section is provided with the third plate body, the concrete beam section be provided with the fourth plate body of third plate body adaptation, the side surface of third plate body with the side surface of fourth plate body all flushes with the spigot surface of track roof beam, the third plate body with the second clearance has between the fourth plate body, the second clearance with the steel beam section with expansion joint looks adaptation between the concrete beam section.

In some examples, the width of the second gap along the bridge direction is not less than the width of the expansion joint along the bridge direction.

In some examples of the present invention, the third plate and the fourth plate are finger plates that fit into each other.

In some examples of the present invention, the third plate is close to the end surface of the fourth plate is formed as a third inclined surface, the fourth plate is close to the end surface of the third plate is formed as a fourth inclined surface, the third inclined surface is opposite to the fourth inclined surface, and the inclined direction is the same.

In some examples of the invention, the third plate body is detachably connected to the steel beam section, and the fourth plate body is detachably connected to the concrete beam section.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a track beam according to an embodiment of the present invention.

Fig. 2 is an exploded view of the partial structure of fig. 1.

Fig. 3 is a schematic diagram of a partial structural explosion of a concrete beam section of a track beam according to an embodiment of the present invention.

Fig. 4 is a schematic illustration of a partial structural explosion of a steel beam section of a track beam according to an embodiment of the present invention.

Fig. 5 is a schematic view of a partial structural explosion of a steel beam section of a track beam according to another embodiment of the present invention.

Fig. 6 is a schematic structural view of a track beam according to another embodiment of the present invention.

Fig. 7 is a partial structural exploded view of a concrete beam section of a track beam according to another embodiment of the present invention.

Fig. 8 is a schematic view of a partial structural explosion of a steel beam section of a track beam according to another embodiment of the present invention.

Fig. 9 is an exploded view of another partial structure of a concrete beam section of a track beam according to another embodiment of the present invention.

Fig. 10 is an exploded view of another partial structure of a steel beam section of a track beam according to another embodiment of the present invention.

Reference numerals:

100. a track beam; 101. a running surface; 102. a guide surface;

10. a steel beam section; 11. a first plate body; 111. a first inclined plane; 12. a third plate body; 121. a third inclined plane; 13. a walking board; 131. a first mounting plate; 14. a guide plate; 141. a second mounting plate;

20. a concrete beam section; 21. a second plate body; 211. a second inclined plane; 22. a fourth plate body; 221. a fourth slope; 23. a first fastener; 24. a first pre-buried sleeve; 25. a first pre-buried steel plate; 26. a second fastener; 27. a second pre-buried sleeve; 28. a second pre-buried steel plate; 29. a flange plate;

a. a first gap; b. a second gap; d. an expansion joint.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

A track beam 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 10.

In the figureyThe direction is a front-rear direction, i.e. a bridge-wise direction of the track beam 100, i.e. a direction in which the track vehicle travels,xthe direction is a left-right direction, i.e. a transverse direction of the track beam 100, i.e. a rail vehicleIn the width direction of the first sheet member,zthe direction is the up-down direction, i.e. the height direction of the rail vehicle.

It will be appreciated that the track beam 100 has a running surface 101, the rail vehicle is adapted to run on the running surface 101 of the track beam 100, and the track beam 100 may be an internally guided track as shown in the figures, an externally guided track, a straddle monorail or the like.

As shown in fig. 1, a track beam 100 provided by an embodiment of the present invention includes a steel beam section 10 and a concrete beam section 20, the concrete beam section 20 and the steel beam section 10 are arranged at intervals along a bridge direction, the steel beam section 10 is provided with a first plate body 11, and the concrete beam section 20 is provided with a second plate body 21 adapted to the first plate body 11; the upper surface of the first plate body 11 and the upper surface of the second plate body 21 are flush with the running surface 101 of the track beam 100, a first gap a is formed between the first plate body 11 and the second plate body 21, and the first gap a is matched with an expansion joint d between the steel beam section 10 and the concrete beam section 20.

It can be understood that the steel beam has advantages of light self weight, short construction period, etc., and the concrete beam has advantages of maintenance-free, low construction cost, etc., and the steel beam and the concrete beam are used in combination, so that the track beam 100 can flexibly adapt to various situations.

At girder steel section 10 and the butt joint position of concrete beam section 20, set up girder steel section 10 and concrete beam section 20 along following the bridge to the interval to do benefit to the flexible deformation for girder steel section 10 and concrete beam section 20 and provide the condition. The upper surface of the first plate body 11 and the upper surface of the second plate body 21 are flush with the running surface 101 of the track beam 100, so that the rail vehicle can stably pass through the track beam, and the running comfort of the rail vehicle is ensured.

First plate body 11 and second plate body 21 mutual adaptation, specifically speaking, indicate that the material of first plate body 11 and second plate body 21 is the same and the structure is mutually supported, for example can be a pair of structure metal sheet of mutually supporting etc., so then can overcome steel material and concrete material heat conductivility difference, the big scheduling problem of temperature stress difference, thereby make the tip of concrete beam section 20 can the straight processing, the manufacturing of concrete beam section 20 of being convenient for, it is complicated to avoid concrete beam section 20 structure, lead to because of the construction precision is not enough to cause economic loss. It is understood that the first plate 11 and the second plate 21 may be various types of plates, such as a finger plate, a slit plate, or the like, without limitation.

First clearance an between first plate 11 and the second plate 21 and the expansion joint d looks adaptation between girder steel section 10 and the concrete beam section 20, specifically, the expansion joint d between girder steel section 10 and the concrete beam section 20 is through calculating the flexible deformation demand that satisfies girder steel section 10 and concrete beam section 20 completely, and first clearance an and expansion joint d looks adaptation mean that first clearance an can satisfy the flexible deformation demand of girder steel section 10 and concrete beam section 20 completely to make load deformation conditions such as track roof beam 100 release temperature good.

So, through setting up first plate body 11 and second plate body 21 respectively at girder steel section 10 and concrete beam section 20 and dock, then rail vehicle is steady on track roof beam 100, and the travelling comfort is high, and track roof beam 100 releases the temperature deformation and adjusts well, and the structure of having avoided girder steel section 10 and concrete beam section 20 simultaneously is complicated, whole track roof beam 100 simple structure, construction convenience.

In some embodiments of the present invention, as shown in fig. 1, the width of the first gap a along the bridge direction is not less than the width of the expansion joint d along the bridge direction. So, then can guarantee when girder steel section 10 and concrete beam section 20 all take place the biggest flexible deformation, also can not produce the interaction force between girder steel section 10 and the concrete beam section 20, avoid track roof beam 100's damage. In some embodiments, the width of the first gap a along the bridge direction is equal to the width of the expansion joint d between the steel beam section 10 and the concrete beam section 20 along the bridge direction, so as to reduce the width of the gap between the first plate 11 and the second plate 21 as much as possible on the basis of satisfying the expansion and contraction deformation of the track beam 100, thereby improving the running stability of the track vehicle.

In some embodiments of the present invention, as shown in fig. 6, the first plate 11 and the second plate 21 are finger plates that fit into each other.

It should be noted that the finger-shaped plate is formed with a plurality of arc-shaped protrusions with similar shapes on one side of the substantially rectangular base plate, and the plurality of arc-shaped protrusions are arranged at intervals to form teeth, so that the two finger-shaped plates can be inserted and matched. The first plate body 11 and the second plate body 21 are arranged to be finger-shaped plates which are matched with each other in an inserted mode, so that when the railway vehicle runs between the steel beam section 10 and the concrete beam section 20, part of running wheels of the railway vehicle is supported on the first plate body 11 or the second plate body 21, vibration sensation can be effectively reduced, and riding comfort is improved.

In some embodiments of the present invention, as shown in fig. 1, 3 and 4, the end surface of the first plate 11 close to the second plate 21 is formed as a first inclined surface 111, the end surface of the second plate 21 close to the first plate 11 is formed as a second inclined surface 211, and the first inclined surface 111 and the second inclined surface 211 are disposed opposite to each other and have the same inclination direction.

That is, the first plate body 11 and the second plate body 21 are a pair of plate bodies matched with each other in an inclined seam manner, the first inclined surface 111 of the first plate body 11 and the second inclined surface 211 of the second plate body 21 are oppositely arranged and have the same inclined direction, so as to form an inclined seam with the same interval distance, when the railway vehicle runs between the steel beam section 10 and the concrete beam section 20, a part of the running wheels of the railway vehicle is necessarily supported on the first plate body 11 or the second plate body 21, so that the vibration feeling is effectively reduced, and the riding comfort is improved.

In some embodiments of the present invention, as shown in fig. 2 and 7, the second plate body 21 is detachably connected to the concrete beam section 20. Thereby, the fixation of the second plate body 21 on the concrete beam section 20 is facilitated, and the maintenance and the replacement when the second plate body 21 is damaged are facilitated.

In some embodiments of the utility model, as shown in fig. 2 and 7, the second plate body 21 is fixed in the concrete beam section 20 through the first fastener 23, and the concrete beam section 20 is provided with the first embedded sleeve 24, is provided with the first pre-buried steel sheet 25 between the second plate body 21 and the concrete beam section 20, and the first fastener 23 cooperates with the first pre-buried sleeve 24 after passing the second plate body 21 and the first pre-buried steel sheet 25 in proper order.

The second plate body 21 is fixed on the concrete beam section 20 through the cooperation of the first fastener 23 and the first embedded sleeve 24, the first embedded sleeve 24 is embedded in the concrete beam section 20, the second plate body 21 is convenient to firmly fix, the first fastener 23 can be a bolt, a screw rod and the like, and the assembly and disassembly are convenient and the firmness is good. Through the arrangement of the first embedded steel plate 25, the fixing position of the second plate body 21 can be adjusted, so that the second plate body 21 is flush with the running surface 101 of the track beam 100. It is understood that the first fastening member 23 is a countersunk bolt or a countersunk screw, etc., so that the first fastening member 23 does not protrude from the upper surface of the second plate body 21.

It should be noted that, when the concrete beam segment 20 is manufactured, the first embedded sleeve 24 and the first embedded steel plate 25 may be welded to form a whole, and at the stage of binding the steel bars of the concrete beam segment 20, the whole is positioned and placed, and concrete is poured to form the whole, the concrete beam segment 20 is formed with a concave portion at the first embedded steel plate 25, and after the second plate 21 is fixed at the concave portion of the concrete beam segment 20, the upper surface of the second plate 21 is flush with the running surface 101 of the track beam 100.

In some embodiments of the present invention, as shown in fig. 4, the steel beam section 10 has a running plate 13 for the rail vehicle to run, and the first plate body 11 is integrally formed with the running plate 13.

Specifically, the running plate 13 of the steel beam section 10 is formed at one end close to the second plate body 21 in a structure matched with the second plate body 21, for example, when the second plate body 21 is a finger plate, the running plate 13 is formed at one end close to the second plate body 21 in a finger plate structure; when the end surface of the second plate body 21 close to the steel beam section 10 is formed as the second inclined surface 211, the end surface of the running plate 13 close to the second plate body 21 is formed as the first inclined surface 111, so that the structure of the track beam 100 is simpler and the assembly is more convenient.

In some embodiments of the present invention, as shown in fig. 5 and 8, the first plate 11 is detachably connected to the steel beam section 10. Thereby, maintenance and replacement when the first plate body 11 is damaged are facilitated.

Specifically, as shown in fig. 5 and 8, a concave portion is formed at a position where the first plate body 11 is disposed on the steel beam section 10, the steel beam section 10 is provided with a first mounting plate 131, the first mounting plate 131 can be fixed on a side of the walking plate 13 away from the walking surface 101, that is, a lower side of the walking plate 13 by welding or the like, and after the first plate body 11 is connected to the first mounting plate 131, the concave portion is just filled so that the first plate body 11 is flush with the walking surface 101 after being mounted. It will be appreciated that the first plate 11 may be removably attached to the first mounting plate 131 by fasteners, which may also be countersunk bolts, countersunk screws, or the like, such that the fasteners do not protrude above the upper surface of the first plate 11.

In some embodiments of the present invention, as shown in fig. 6, the first plate 11 and the second plate 21 both protrude from the guiding surface 102 of the track beam 100 along the transverse bridge direction to limit the guide wheels of the rail vehicle to be pulled out upward.

Specifically, a flange plate 29 is disposed on one side of the concrete beam section 20, the steel beam section 10 has a running plate 13 for the rail vehicle to run, the running plate 13, the first plate 11 and the second plate 21 all protrude from a guide surface 102 of the rail beam 100 along a transverse bridge direction, and the protruding portions and the flange plate 29 together form an anti-rollover barrier of the rail beam 100, which can be stopped by guide wheels of the rail vehicle when the rail vehicle running on the rail beam 100 has a rollover tendency, thereby limiting the guide wheels of the rail vehicle from coming out upward. Therefore, even at the butt joint position of the steel beam section 10 and the concrete beam section 20, the rail vehicle does not turn over, and the safety performance of the whole section of the rail beam 100 is improved.

In some embodiments of the present invention, as shown in fig. 2 and fig. 6, the steel beam section 10 is provided with the third plate body 12, the concrete beam section 20 is provided with the fourth plate body 22 adapted to the third plate body 12, the side surface of the third plate body 12 and the side surface of the fourth plate body 22 are flush with the guide surface 102 of the track beam 100, the third plate body 12 and the fourth plate body 22 have the second gap b therebetween, and the second gap b is adapted to the expansion joint d between the steel beam section 10 and the concrete beam section 20.

Similar with first plate 11 and second plate 21, third plate 12 and fourth plate 22 looks adaptation mean that the material of third plate 12 and fourth plate 22 is the same and the structure is mutually supported, third plate 12 and fourth plate 22 all flush with the spigot surface 102 of track roof beam 100, then when rail vehicle's leading wheel passes through track roof beam 100, can smoothly lead rail vehicle, second clearance b and expansion joint d looks adaptation mean that second clearance b can satisfy the flexible deformation demand of steel beam section 10 and concrete beam section 20 completely, so that load deformation such as track roof beam 100 release temperature adjusts well.

In some embodiments of the present invention, as shown in fig. 2 and 6, the width of the second gap b along the bridge direction is not less than the width of the expansion joint d along the bridge direction. Thus, the steel beam section 10 and the concrete beam section 20 can be further ensured not to be damaged when the maximum expansion deformation occurs. Optionally, the width of the second gap b along the bridge-following direction is equal to the width of the expansion joint d along the bridge-following direction, so as to further improve the running stability of the rail vehicle.

In some embodiments of the present invention, as shown in fig. 6, the third plate 12 and the fourth plate 22 are finger plates that mate with each other in a plug-in manner.

In some embodiments of the present invention, as shown in fig. 2, 3 and 4, the end surface of the third plate 12 close to the fourth plate 22 is formed as a third inclined surface 121, the end surface of the fourth plate 22 close to the third plate 12 is formed as a fourth inclined surface 221, and the third inclined surface 121 and the fourth inclined surface 221 are disposed opposite to each other and have the same inclination direction.

By arranging the third plate body 12 and the fourth plate body 22 as finger-shaped plates or oblique-seam-matched plate bodies which are in butt-inserting fit, when the railway vehicle runs between the steel beam section 10 and the concrete beam section 20, parts of guide wheels of the railway vehicle are matched with the third plate body 12 or the fourth plate body 22 for guiding, so that the guiding stability and accuracy can be improved, and the driving safety can be improved.

In some embodiments of the present invention, as shown in fig. 4 and 10, the third panel 12 is removably secured to the steel beam section 10, and as shown in fig. 3 and 9, the fourth panel 22 is removably secured to the concrete beam section 20. Thus, the third plate body 12 and the fourth plate body 22 are conveniently fixed, the track beam 100 is conveniently transported, and the third plate body 12 and the fourth plate body 22 are conveniently maintained and replaced when damaged.

Specifically, as shown in fig. 4 and 10, the steel beam section 10 has a guide plate 14 for guiding the rail vehicle, the guide plate 14 has a guide surface 102, the steel beam section 10 is formed with a concave portion at a position where the third plate body 12 is disposed, the steel beam section 10 is further provided with a second mounting plate 141, the second mounting plate 141 can be fixed at a side of the guide plate 14 away from the guide surface 102 by welding or the like, and if the steel beam section 10 is a box beam, the second mounting plate 141 can be fixed inside the box beam, so that the third plate body 12 is just filled in the concave portion after being connected to the second mounting plate 141, so that the third plate body 12 is flush with the guide surface 102 after being installed.

Specifically, as shown in fig. 3 and 9, the fourth plate 22 is fixed to the concrete beam section 20 by a second fastening member 26, the concrete beam section 20 is provided with a second embedded sleeve 27, a second embedded steel plate 28 is arranged between the fourth plate 22 and the concrete beam section 20, and the second fastening member 26 sequentially passes through the fourth plate 22 and the second embedded steel plate 28 and then is matched with the second embedded sleeve 27.

The fourth plate body 22 is fixed on the concrete beam section 20 through the cooperation of the second fastening piece 26 and the second embedded sleeve 27, the fixation is firm, the assembly and disassembly are convenient, the fixing position of the fourth plate body 22 can be adjusted through the arrangement of the second embedded steel plate 28, and therefore the fourth plate body 22 is flush with the guide surface 102 of the track beam 100.

It can be understood that, for the convenience of transportation, to avoid the damage of the first plate 11 caused by the collision of sharp corners, the two ends of the first inclined plane 111 may be cut along the transverse bridge direction, so that the first inclined plane 111 is in the horizontal plane, i.e. the horizontal planex0yThe projection on the surface is of a broken line type, as shown in fig. 5, and likewise, the second plate 21, the third plate 12 and the fourth plate 22 can be processed in this way. Additionally, the chamfer may extend inwardly to both sides of the body of the track beam 100 for aesthetic reasons.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A track beam, comprising:

the steel beam section is provided with a first plate body;

the concrete beam section and the steel beam section are arranged at intervals along the bridge direction, and the concrete beam section is provided with a second plate body matched with the first plate body;

the upper surface of the first plate body and the upper surface of the second plate body are flush with the walking surface of the track beam, a first gap is formed between the first plate body and the second plate body, and the first gap is matched with the steel beam section and the expansion joint between the concrete beam sections.

2. The track beam defined in claim 1, wherein the width of the first gap in the bridge-following direction is not less than the width of the expansion joint in the bridge-following direction.

3. The track beam defined in claim 1, wherein the first and second panels are interfitting finger panels.

4. The track beam according to claim 1, wherein the end surface of the first plate body adjacent to the second plate body is formed as a first slope, the end surface of the second plate body adjacent to the first plate body is formed as a second slope, and the first slope and the second slope are oppositely arranged and have the same slope direction.

5. The track beam of claim 1, wherein the second panel is removably coupled to the concrete beam section.

6. The track beam of claim 5, wherein the second plate body is fixed to the concrete beam section through a first fastener, the concrete beam section is provided with a first pre-embedded sleeve, a first pre-embedded steel plate is arranged between the second plate body and the concrete beam section, and the first fastener sequentially penetrates through the second plate body and the first pre-embedded steel plate and then is matched with the first pre-embedded sleeve.

7. The rail beam of claim 1, wherein the steel beam section has running plates for a rail vehicle to travel, the first plate body being integrally formed with the running plates.

8. The track beam of claim 1, wherein the first plate is removably connected to the steel beam section.

9. The track beam of claim 1,

the first plate body and the second plate body are protruded out of the guide surface of the track beam along the transverse bridge direction so as to limit the guide wheels of the track vehicle to be separated upwards.

10. The track beam according to any one of claims 1 to 9, wherein the steel beam section is provided with a third plate body, the concrete beam section is provided with a fourth plate body matched with the third plate body, a side surface of the third plate body and a side surface of the fourth plate body are both flush with a guide surface of the track beam, a second gap is formed between the third plate body and the fourth plate body, and the second gap is matched with an expansion joint between the steel beam section and the concrete beam section.

11. The track beam defined in claim 10, wherein the width of the second gap in the along-the-bridge direction is not less than the width of the expansion joint in the along-the-bridge direction.

12. The track beam defined in claim 10, wherein the third and fourth panels are interfitting finger panels.

13. The track beam according to claim 10, wherein an end surface of the third plate body adjacent to the fourth plate body is formed as a third inclined surface, an end surface of the fourth plate body adjacent to the third plate body is formed as a fourth inclined surface, and the third inclined surface and the fourth inclined surface are oppositely arranged and inclined in the same direction.

14. The track beam of claim 10, wherein the third plate is removably connected to the steel beam section and the fourth plate is removably connected to the concrete beam section.