CN214328316U - Concrete track beam - Google Patents

Abstract

The utility model relates to a concrete track beam, which comprises a track base body made of reinforced concrete and supporting bodies respectively fixed on two sides of the track base body, wherein the supporting bodies are steel structures and used for supporting the travelling wheels of a vehicle; the two supporting bodies have a set distance, and the track base body and the supporting bodies jointly enclose a cavity for the running of a vehicle; the utility model provides a concrete track roof beam, compact structure, reasonable in design compare in current track roof beam, and the shaping, assembly and the installation of being more convenient for are favorable to reduce cost, and in the in-service use process, still have stable in structure, the noise is low, be convenient for characteristics such as later maintenance.

Description

Concrete track beam

Technical Field

The utility model relates to a track traffic technical field, concretely relates to concrete track roof beam.

Background

The suspension type rail transit system is a new urban rail transit system different from subway, light rail and magnetic suspension, and aims to provide uninterrupted transportation service according to requirements.

The existing suspension type track traffic system generally comprises a track and a vehicle (such as a locomotive, a vehicle and the like) which is arranged in the track and is used for running along the track, wherein the track is generally formed by butt-joint installation of a plurality of sections of track beams, the existing track beams are generally in a closed section form with a broken bottom, as shown in the figure, in order to realize the track beams with the structure, the existing track beams are generally made of pure steel structure track beams or are prefabricated by pure reinforced concrete, wherein the pure steel structure track beams generally have the problems of high cost, large vibration and large noise, the track beams made of pure reinforced concrete generally have the problems of complex manufacturing process and large volume due to the cross section structure of the track beams, and the track beams made of steel plates and reinforced concrete in a mixed mode in the prior art, for example, a tooth type steel-concrete combined structure suspension type single track traffic track beam disclosed in the chinese patent CN 208563004U, the track beam is constructed by coating a layer of steel plate on the inner side and the outer side of reinforced concrete, and has the advantages of a steel structure track beam and a reinforced concrete track beam, but the track beam still has the problems of complex structure, inconvenient construction, complex manufacturing, assembling and mounting processes and the like, and needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a compact structure's concrete track, the shaping of being more convenient for, assembly and installation not only make the structure compacter, are favorable to reduce cost, the later maintenance of being convenient for moreover.

The utility model adopts the technical proposal that:

in order to solve the problems of convenient forming, assembly, installation and the like of the track beam, the concrete track beam comprises a track base body made of reinforced concrete and supporting bodies respectively fixed on two sides of the track base body, wherein the supporting bodies are steel structures and used for supporting travelling wheels of a vehicle;

the two supporting bodies have a set distance, and the track base body and the supporting bodies jointly enclose a cavity for the running of the vehicle. In the scheme, the track beam is formed by assembling the track base body and the two supporting bodies, so that the track base body and the supporting bodies can be manufactured and formed respectively and independently, and after the track beam is split into three parts, the structure of each part is simpler, the independent forming of each part is very convenient, and the assembly and the installation of the whole track beam are convenient; in the scheme, the track base body is made of reinforced concrete so as to meet the design requirements of strength and rigidity, is used for bearing to keep the stability of the whole track beam, and can effectively absorb noise by utilizing the reinforced concrete so as to achieve the aim of reducing the noise; and utilize the steel construction to make the supporter, the shaping of the supporter of not only being convenient for is favorable to the surface of supporter moreover more level and smooth for when the vehicle was moved along the supporter, the operation of vehicle is more steady.

Preferably, the rail base body comprises a top beam and rib beams respectively arranged on two sides of the top beam, the top beam and the rib beams respectively have set thicknesses, the top beam and the rib beams jointly form a U-shaped structure, and the support bodies are respectively fixed at one ends of the rib beams far away from the top beam. That is, in this scheme, the track base member is U type structure, and not only the structure is regular, simple, the shaping of being convenient for makes the lower extreme of track base member have the opening moreover, and the supporter can be fixed in the lower extreme of rib respectively, can install in the opening part makes track base member and two supporters can enclose into the die cavity that supplies the vehicle operation jointly to match each other with the vehicle.

In order to enhance the rigidity of the track base body, it is preferable that a reinforcing mesh is prefabricated in the top beam and/or the rib beam. Because the top beam and the rib beam are respectively made of reinforced concrete, the reinforcing mesh is respectively prefabricated in the top beam and the rib beam in the forming process, so that the rigidity and the bearing capacity of the track matrix can be effectively increased.

In order to further enhance the bearing capacity of the track base body, a plurality of steel strands are further arranged in the rib beam and are respectively arranged along the length direction of the track base body. In this scheme, through set up steel strand wires in the rib roof beam, can increase the prestressing force in the track roof beam for when the track roof beam bears, can effectively increase the bearing capacity of track roof beam, be particularly useful for the track roof beam of large-span.

Preferably, the steel strands are respectively arranged on two sides of the reinforcing mesh and are respectively positioned at one end far away from the top beam. So as to effectively increase the strength and rigidity of the lower end of the rib beam and be beneficial to the stable installation and bearing of the supporting body.

Preferably, the diameter of the steel strand is larger than the diameter of the steel bar in the steel bar mesh.

In order to facilitate the forming of the support body, it is preferable that the support body is made of a steel plate and/or a steel beam.

In order to facilitate the installation and fixation of the support body, preferably, the support body comprises a support part for contacting the traveling wheel and a connecting part for connecting the track base body, the connecting part is vertically connected to the support part, the connecting part is fixed on the rib beam, or the connecting part and the support part are both fixed on the rib beam. In this scheme, through at the supporting part structure mutually perpendicular's supporting part and connecting portion to utilize the walking wheel of supporting part support vehicle, also can utilize the convenient connection track base member of connecting portion simultaneously.

In order to enhance the connection strength of the support body and the track base body and improve the bearing capacity, it is firstly conceived that at least part of the connecting part is pre-buried in the rib beam. In this scheme promptly, can be when making the track base member, can be earlier with at least part connecting portion pre-buried in the rib for after the shaping of track base member, pre-buried in the rib connecting portion in can be firm be as an organic whole with the track base member is connected, thereby reach firm connection support body and track base member's purpose.

In order to enhance the connection strength between the connecting part and the rib beam, a plurality of steel nails are constructed on the surface of the connecting part pre-embedded in the rib beam. In this scheme, through the structure steel nail for after connecting portion are pre-buried in the rib, can effectively increase the area of contact of connecting portion and concrete, not only can further strengthen the rigidity of rib, can effectively increase the joint strength of connecting portion and rib moreover, make connection moreover more firm.

And secondly, a plurality of claw nails are pre-embedded in the rib beam and are respectively fixed on the connecting part, or the claw nails are respectively fixed on the connecting part and the supporting part. In this scheme promptly, can be when making the track base member, can be in advance in the rib pre-buried a plurality of nails for each nail can be firm be fixed in the track base member, and the nail can be all fixed in connecting portion, or connecting portion and supporting part, thereby makes the supporter can be through firm being fixed in the track base member of nail.

Further, the claw nail is of an L-shaped structure. The contact area between the claw nails and the concrete can be increased, the connection strength is improved, the claw nails can be effectively restrained, and the claw nails are prevented from falling off along the length direction of the claw nails.

And thirdly, a plurality of connecting pieces are pre-embedded in the rib beam, the connecting pieces are respectively provided with a threaded column reserved outside the rib beam, and the connecting part and/or the supporting part are/is provided with a through hole for penetrating through the threaded column. In this scheme, through pre-buried connecting piece in advance in the rib beam, both can increase the rigidity of rib beam, can be with the one end of connecting piece stay outside the rib beam in advance again, and construct the screw thread post with this one end of reserving outside the rib beam, can utilize the cooperation fixed connection portion and/or the supporting part of screw thread post and nut, on the one hand, can be firm be connected connecting portion and track base member as an organic whole, on the other hand, can realize the supporter and be connected with dismantling of track base member, the installation and the dismantlement of the supporter of both being convenient for, the later stage change that can effectively solve the track beam again, the maintenance problem, especially can change supporter or track base member alone, so that effective reduce cost.

And fourthly, a plurality of connecting pieces are pre-embedded in the rib beam, the connecting pieces are respectively provided with threaded holes, and the connecting part and/or the supporting part are fixed on the rib beam through screws or bolts inserted into the threaded holes. In this scheme, through pre-buried connecting piece in advance in the rib beam, both can increase the rigidity of rib beam, can reserve the position department at the rib beam lateral wall with the one end of connecting piece again, and construct for the screw hole at this end, thereby can utilize the cooperation fixed connection portion and/or the supporting part of screw hole and screw or bolt, on the one hand, can be firm be connected connecting portion and track base member as an organic whole, on the other hand, can realize the supporter and be connected with dismantling of track base member, the installation and the dismantlement of the supporter of both being convenient for, the later stage change of track beam can effectively be solved again, the maintenance problem, especially can change supporter or track base member alone, in order to keep track base member or the supporter that can also use, thereby can effectively reduce cost.

In order to form a threaded bore, the connecting element is preferably formed with a connecting stud, the threaded bore being formed at one end of the connecting stud. Through setting up the spliced pole, the structure screw hole that can be convenient.

In order to further enhance the rigidity of the support body and improve the bearing capacity, the support body further comprises a plurality of first rib plates, each first rib plate is respectively and vertically connected to the connecting part and the support part, and the first rib plates are respectively and uniformly distributed along the length direction of the track base body. Through set up first floor between connecting portion and supporting part, can effectively strengthen the rigidity of supporter, be favorable to improving bearing capacity and stability.

For the stable theory of cooperation setting in the vehicle, further, still include two lower rails, two lower rails are vertically fixed in respectively the inboard of supporting part, just the lower rail is parallel to each other. Through setting up the lower guideway for set up in the stable theory of vehicle can move between two lower guideways, thereby reach and stabilize the cooperation of saying, improve the purpose of vehicle stability.

In order to enhance the rigidity and stability of the supporting part and the lower guide rail, the track further comprises a plurality of second rib plates, wherein each second rib plate is respectively and vertically connected with the supporting part and the lower guide rail, and the second rib plates are respectively and uniformly distributed along the length direction of the track base body. Through set up the second floor between supporting part and lower rail, can effectively strengthen the rigidity of supporting part and lower rail, be favorable to improving bearing capacity and stability.

Preferably, the first rib plate is a rectangular plate, a triangular plate or a trapezoidal plate; and/or the second rib plate is a rectangular plate, a triangular plate or a trapezoidal plate.

Compared with the prior art, use the utility model provides a pair of concrete track roof beam, compact structure, reasonable in design compare in current track roof beam, and the shaping, assembly and the installation of being more convenient for are favorable to reduce cost, in the in-service use process, still have stable in structure, noise low, be convenient for characteristics such as later maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic cross-sectional view of a track base body in a concrete track beam provided in embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a first concrete track beam provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a second concrete track beam provided in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a third concrete track beam provided in embodiment 1 of the present invention.

Fig. 5 is a schematic three-dimensional structure of the concrete track beam provided in fig. 4.

Fig. 6 is a schematic cross-sectional view of a track base body in a concrete track beam provided in embodiment 2 of the present invention.

Fig. 7 is a schematic structural view of a first concrete track beam provided in embodiment 2 of the present invention.

Fig. 8 is a partial cross-sectional view of fig. 7.

Fig. 9 is a schematic bottom view of the concrete track beam provided in fig. 7.

Fig. 10 is a schematic structural view of a second concrete track beam provided in embodiment 2 of the present invention.

Fig. 11 is a front view of fig. 10.

Description of the drawings

Track base body 100, rib beam 101, top beam 102, reinforcing mesh 103, steel strand 104 and concrete 105

Support 200, support 201, connecting part 202, steel nail 203, claw nail 204, connecting piece 205, threaded column 206, threaded hole 207, lower guide rail 208

Screw or bolt 301

A first rib 401, a second rib 402.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The embodiment provides a concrete track beam, which comprises a track base body 100 made of reinforced concrete and support bodies 200 respectively fixed on two sides of the track base body 100, wherein the support bodies 200 are steel structures and used for supporting travelling wheels of a vehicle; as shown in fig. 1 to 5, the two supporting bodies 200 have a set distance therebetween, such that the rail base 100 and the supporting bodies 200 can together enclose a cavity for a vehicle to run, where the vehicle may be a vehicle commonly used in the prior art, and the two sides of the vehicle are respectively configured with a road wheel, such that the road wheels of the vehicle can run along the corresponding supporting bodies 200; in the embodiment, the track beam is formed by assembling the track base body 100 and the two supporting bodies 200, so that the track base body 100 and the supporting bodies 200 can be manufactured and formed separately, and after the track beam is divided into three parts, the structure of each part is simpler, the separate forming of each part is very convenient, and the assembly and installation of the whole track beam are also convenient;

in addition, in this embodiment, the track base 100 is made of reinforced concrete, which can meet the design requirements of strength and rigidity, and not only is used for bearing to keep the stability of the whole track beam, but also can effectively absorb noise by using reinforced concrete to achieve the purpose of reducing noise; and utilize the steel construction to make the supporter 200, not only be convenient for the shaping of supporter 200, be favorable to the surface of supporter 200 more level and more smooth moreover for when the vehicle moves along supporter 200, the operation of vehicle is more steady.

Preferably, in the present embodiment, the track base 100 includes a top beam 102 and ribs 101 respectively disposed on two sides of the top beam 102, the top beam 102 and the ribs 101 respectively have a set thickness, and the thicknesses of the top beam 102 and the ribs 101 can be calculated according to a required load-bearing capacity, for example, the thickness of the top beam 102 can be 100mm, the thickness of the ribs 101 can be 120mm, and the like, which are not illustrated herein;

as shown in fig. 1, in the present embodiment, the top beam 102 and the rib beam 101 may jointly form a U-shaped structure, which is not only regular and simple in structure and convenient for forming, but also enables the lower end of the rail base 100 to have an opening, and the support bodies 200 may be respectively fixed to the lower ends of the rib beams 101 (i.e., the support bodies 200 may be respectively fixed to the ends of the rib beams 101 far away from the top beam 102), as shown in any one of fig. 2 to 5, that is, may be installed at the opening, so that the rail base 100 and the two support bodies 200 may jointly form a cavity for a vehicle to run, so as to be matched with the vehicle.

As shown in fig. 1 and 4, it is preferable that the top beam 102 and/or the rib beam 101 are pre-formed with a steel mesh 103 respectively so as to be mixed in the concrete 105, which can effectively increase the rigidity and the load-bearing capacity of the track base 100; as an example, as shown in the figure, the reinforcing mesh 103 may be woven by a plurality of reinforcing bars which are staggered in the longitudinal and transverse directions, and in the reinforcing mesh 103 constructed in the top beam 102, the reinforcing bars which are staggered in the longitudinal and transverse directions are respectively arranged along the length direction and the width direction of the track beam, as shown in fig. 1 and 4; and in the reinforcing mesh 103 constructed in the ribbed beam 101, the reinforcing bars staggered in the longitudinal and transverse directions are respectively arranged in the length direction and the height direction of the track beam.

In order to further enhance the bearing capacity of the track substrate 100, in a further scheme, a plurality of steel strands 104 are further arranged in the rib beam 101, as shown in fig. 1 and 4, the steel strands 104 are respectively arranged along the length direction of the track substrate 100; preferably, the steel strands 104 may be respectively disposed on both sides of the steel mesh 103 and at one end far from the top beam 102, and the steel strands 104 may be disposed in the rib beam 101 to increase the prestress in the track beam, so that when the track beam is loaded, the load bearing capacity of the track beam may be effectively increased, and the steel strand is particularly suitable for a large-span track beam.

Preferably, the diameter of the steel strand 104 may be larger than the diameter of the steel bar in the steel mesh 103, as shown in fig. 1 and 4, which is more beneficial to improving the rigidity and the load-bearing capacity of the track beam.

To facilitate the formation of the supporting body 200, in the present embodiment, the supporting body 200 may be preferably made of a steel plate and/or a steel beam.

In order to facilitate the installation and fixation of the support 200, preferably, the support 200 includes a support portion 201 for contacting the traveling wheel and a connection portion 202 for connecting the rail base 100, and the connection portion 202 is vertically connected to the support portion 201, and when manufacturing and assembling are performed, the connection portion 202 may be separately fixed to the rib 101, and the connection portion 202 and the support portion 201 may also be simultaneously fixed to the rib 101.

In this embodiment, the supporting portion 201 and the connecting portion 202 may be made of steel plates, as shown in fig. 2 to 5, respectively, and the supporting portion 201 and the connecting portion 202 may be formed as an integral member.

The support body 200 and the track base body 100 are connected in various ways, so that the connection strength of the support body 200 and the track base body 100 is enhanced, and the bearing capacity is improved; in a preferred embodiment, at least a part of the connecting portion 202 is embedded in the rib 101, that is, the whole connecting portion 202 may be embedded in the rib 101, or a part of the connecting portion 202 may be embedded in the rib 101, for example, as shown in fig. 2, an upper end of the connecting portion 202 may be embedded and prefabricated in the rib 101, and a lower end of the connecting portion 202 may be reserved below the rib 101 and connected to the supporting portion 201; specifically, in this embodiment, when manufacturing the rail base 100, at least a part of the connecting portion 202 may be pre-embedded in the rib 101, so that after the rail base 100 is molded, the connecting portion 202 pre-embedded in the rib 101 may be firmly connected with the rail base 100 into a whole, thereby achieving the purpose of firmly connecting the supporting body 200 and the rail base 100.

In order to enhance the connection strength between the connection portion 202 and the rib 101, in a further embodiment, a plurality of steel nails 203 are configured on the surface of the connection portion 202 embedded in the rib 101, as shown in fig. 2, by configuring the steel nails 203, after the connection portion 202 is embedded in the rib 101, the contact area between the connection portion 202 and the concrete can be effectively increased, and not only can the rigidity of the rib 101 be further enhanced, but also the connection strength between the connection portion 202 and the rib 101 can be effectively increased, so that the connection is more secure.

In another preferred embodiment, a plurality of nails 204 may be pre-embedded in the rib 101, as shown in fig. 3 and 4, and the nails 204 may be all fixed to the connecting portion 202, or may be fixed to the connecting portion 202 and the supporting portion 201 respectively; preferably, the claw nails 204 may be fixed to the connecting portion 202 and/or the supporting portion 201 by welding; specifically, in this embodiment, when manufacturing the rail base 100, a plurality of nails 204 may be pre-embedded in the rib 101 in advance, so that each nail 204 may be firmly fixed to the rail base 100, and all the nails 204 may be fixed to the connection portion 202, or the connection portion 202 and the support portion 201, so that the support 200 may be firmly fixed to the rail base 100 by the nails 204.

As shown in fig. 3 and 4, in a further aspect, the claw pin 204 may have an L-shaped structure, which not only increases the contact area between the claw pin 204 and the concrete to improve the connection strength, but also effectively restrains the claw pin 204 to prevent the claw pin 204 from falling off in a direction perpendicular to the surface of the rib beam 101.

It is understood that the connecting portion 202 can be fixed to the inner side of the rib 101, as shown in fig. 3 to 5, or fixed to the outer side of the rib 101; and when the support 201 is connected by the claw pin 204, the support 201 may be fixed to the lower end of the rib 101 by the claw pin 204.

As shown in fig. 2 to fig. 5, in a further scheme, the track further includes a plurality of first ribs 401, each first rib 401 is vertically connected to the connecting portion 202 and the supporting portion 201, and each first rib 401 is uniformly distributed along the length direction of the track base 100; the rigidity of the support body 200 can be effectively enhanced, and the bearing capacity and the stability can be improved.

Preferably, as shown in fig. 2 to 5, the first ribs 401 may be rectangular plates, triangular plates, or trapezoidal plates.

In order to cooperate with the theory of stability of the vehicle, in a further aspect, the concrete track beam further includes two lower rails 208, as shown in fig. 2 to 5, the two lower rails 208 are respectively vertically fixed on the inner sides of the supporting portions 201, and the lower rails 208 are parallel to each other, so that the theory of stability of the vehicle can run between the two lower rails 208, thereby achieving the purpose of cooperating with the theory of stability and improving the stability of the vehicle.

For example, in the present embodiment, the lower rail 208 may be made of a steel plate, and the supporting portion 201, the connecting portion 202, and the lower rail 208 may also be an integrally formed member; in addition, in the present embodiment, the connection portion 202 may be fixedly connected to the support portion 201, for example, the connection portion 202 is welded or riveted to the support portion 201, or may be detachably connected to the support portion 201, for example, the connection portion 202 may be fixedly connected to the support portion 201 by a screw or a bolt 301.

Example 2

The main difference between the present embodiment 2 and the above embodiment 1 is that in the concrete track beam provided in the present embodiment, the supporting body 200 and the track base body 100 are detachably connected to each other, so as to achieve the detachable installation and fixation of the supporting body 200.

As a preferred embodiment, a plurality of connecting members 205 are pre-embedded in the rib beam 101, and the connecting members 205 are respectively configured with threaded columns 206 reserved outside the rib beam 101, as shown in fig. 6, the connecting portion 202 and/or the supporting portion 201 are configured with through holes for passing through the threaded columns 206, by pre-embedding the connecting members 205 in the rib beam 101, the rigidity of the rib beam 101 can be increased, one end of the connecting member 205 can be pre-retained outside the rib beam 101, and the end reserved outside the rib beam 101 is configured as the threaded column 206, the connecting portion 202 and/or the supporting portion 201 can be fixed by the matching of the threaded column 206 and a nut, on one hand, the connecting portion 202 and the rail base 100 can be firmly connected into a whole, on the other hand, the detachable connection of the supporting body 200 and the rail base 100 can be realized, which not only facilitates the installation and detachment of the supporting body 200, but also effectively solves the problem of the later replacement of the rail beam, Maintenance problems, in particular the support body 200 or the rail base body 100 can be individually replaced, in order to effectively reduce costs.

It is understood that when the connecting portion 202 is fixed to the inner side of the rib 101, the threaded column 206 may be reserved on the inner side of the rib 101, as shown in fig. 6, and of course, the threaded column 206 may also be fixed to the outer side of the rib 101; similarly, the threaded post 206 may be fixed to the lower end of the rib 101 so as to be connected to the support portion 201.

For example, in the present embodiment, the connecting member 205 may have a straight rod-shaped structure or a bent rod-shaped structure, as shown in fig. 6, so that a portion reserved outside the rib 101 may have a column-shaped structure, so as to form an external thread.

As another preferred embodiment, a plurality of connecting pieces 205 are embedded in the rib beam 101, and the connecting pieces 205 are respectively configured with threaded holes 207, as shown in fig. 7-11, the connecting portion 202 and/or the supporting portion 201 are fixed to the rib beam 101 by screws or bolts 301 inserted into the threaded holes 207; the rigidity of the rib beam 101 can be increased, one end of the connecting piece 205 can be reserved at the position of the side wall of the rib beam 101 and is constructed as the threaded hole 207, so that the threaded hole 207 and the matched fixing connecting part 202 and/or the supporting part 201 of the screw or the bolt 301 can be utilized, on one hand, the connecting part 202 and the track base body 100 can be firmly connected into a whole, on the other hand, the detachable connection of the support body 200 and the track base body 100 can be realized, the installation and the detachment of the support body 200 are convenient, the problems of later replacement and maintenance of the track beam can be effectively solved, particularly, the support body 200 or the track base body 100 can be independently replaced, the track base body 100 or the support body 200 which can be used is reserved, and the cost can be effectively reduced.

It is understood that when the connecting portion 202 is fixed to the inner side of the rib 101, the threaded hole 207 may be reserved on the inner side of the rib 101, as shown in fig. 7 and 8, and of course, the threaded hole 207 may also be fixed to the outer side of the rib 101; similarly, the threaded hole 207 may be reserved at the lower end of the rib 101, as shown in fig. 7, 9 and 10, so as to connect the support portion 201.

Further, as another example, the connection portion 202 may have a triangular prism structure as shown in fig. 10 and 11, and the support portion 201 may be fixed to the lower ends of the rib 101 and the connection portion 202 as shown in fig. 7, 9 to 11.

For example, in the present embodiment, the connecting member 205 may also have a straight rod-shaped structure, and for example, the connecting member 205 may be a connecting column or be configured with a connecting column, and the threaded hole 207 is configured at one end of the connecting column; similarly, the connecting member 205 may also be a bent rod-shaped structure, as shown in fig. 8, and may be an L-shaped connecting column, so that the portion near the side wall of the rib 101 may be a column-shaped structure, so as to construct an internal thread, so that a threaded hole 207 for connecting a screw or bolt 301 may be formed.

In a further scheme, the concrete track beam further comprises a plurality of second rib plates 402, each second rib plate 402 is vertically connected to the support portion 201 and the lower guide rail 208, and each second rib plate 402 is uniformly distributed along the length direction of the track base 100, as shown in fig. 10, the rigidity of the support portion 201 and the lower guide rail 208 can be effectively enhanced, and the bearing capacity and the stability are improved.

Preferably, the second ribs 402 may be rectangular, triangular or trapezoidal.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. A concrete track beam is characterized by comprising a track base body made of reinforced concrete and supporting bodies respectively fixed on two sides of the track base body, wherein the supporting bodies are of steel structures and used for supporting travelling wheels of vehicles;

the two supporting bodies have a set distance, and the track base body and the supporting bodies jointly enclose a cavity for the running of the vehicle.

2. The concrete track beam of claim 1, wherein the track base comprises a top beam and rib beams respectively arranged at two sides of the top beam, the top beam and the rib beams respectively have a set thickness, the top beam and the rib beams jointly form a U-shaped structure, and the support bodies are respectively fixed at one ends of the rib beams far away from the top beam.

3. The concrete track beam of claim 2, wherein the top beam and/or the rib beam is pre-fabricated with a steel mesh;

and/or a plurality of steel strands are further arranged in the rib beam and are respectively arranged along the length direction of the track base body.

4. The concrete track beam according to any one of claims 2-3, wherein the support body is made of steel plates and/or steel beams.

5. The concrete track beam of claim 4, wherein the support includes a support portion for contacting the road wheel and a connection portion for connecting the track base, and the connection portion is vertically connected to the support portion, the connection portion is fixed to the rib beam, or both the connection portion and the support portion are fixed to the rib beam.

6. The concrete track beam of claim 5, wherein at least some of the connectors are pre-embedded in the ribs;

or a plurality of claw nails are pre-embedded in the rib beam and are respectively fixed on the connecting part, or the claw nails are respectively fixed on the connecting part and the supporting part;

or a plurality of connecting pieces are pre-embedded in the rib beam, the connecting pieces are respectively provided with a threaded column reserved outside the rib beam, and the connecting part and/or the supporting part are/is provided with a through hole for penetrating through the threaded column;

or a plurality of connecting pieces are pre-embedded in the rib beam, the connecting pieces are respectively provided with a threaded hole, and the connecting part and/or the supporting part are fixed on the rib beam through screws or bolts inserted into the threaded holes.

7. The concrete track beam of claim 6, wherein the surface of the connecting part pre-embedded in the rib beam is provided with a plurality of steel nails;

or the claw nail is of an L-shaped structure;

or, the connecting piece is configured with a connecting column, and the threaded hole is configured at one end of the connecting column.

8. The concrete track beam of claim 5, further comprising a plurality of first ribs, wherein each first rib is vertically connected to the connecting portion and the supporting portion, and each first rib is uniformly distributed along the length direction of the track base.

9. The concrete track beam of claim 6, further comprising two lower rails, each of which is vertically fixed to the inside of the support portion, and the lower rails are parallel to each other.

10. The concrete track beam of claim 6, further comprising a plurality of second ribs, each of the second ribs being vertically connected to the support portion and the lower rail, respectively, and each of the second ribs being uniformly distributed along the length of the track base.

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