JP5657346B2 - Assembled sleepers - Google Patents

Description

The present invention relates to an assembly sleeper , which is mainly laid at the joint portion of the rail, and can be easily joined to the rail and fixed to the sleeper, and further, by the drop of the joint portion of the rail and the drop of the joint portion. Factors that hinder the operation of the vehicle, such as the generation of noise and vibrations, and even a track error, can be greatly reduced.

  In a very general railway track, a plurality of sleepers are laid side by side under the rails, and the rails are fixed on each sleeper by a rail fastening bracket such as a dog nail.

Also, the rails are joined by sandwiching the end portions from both sides with a joint plate and tightening them with joint fittings such as bolts and nuts, locking nut washers for preventing loosening.
In addition, the rail joints are supported directly above or between the sleepers, the former being commonly known as a "support joint" and the latter as a "joint".

  The former "support joint" is arranged to support the rail joint directly above the sleeper, so that problems such as drop of the rail joint and noise due to this are reduced. Since the rail fastening brackets for fixing to the sleepers overlap on the sleepers, not only special brackets are required as these brackets, but also the joining and fixing of the rails are troublesome.

  In addition, it is necessary to lay a sleeper with a cross section that is considerably larger than the other sleepers at the joints of the rails, so that extra labor and cost are spent on the arrangement and laying, and an additional burden on the sleepers on both sides. There was a problem such as taking.

  On the other hand, in the latter “joint”, since the rail joint is supported at the center between sleepers, the joint fitting that connects the rails and the rail fastening bracket that fixes the rail to the sleepers do not overlap. For this reason, rails can be laid very efficiently using ordinary joint fittings and rail fastening brackets, and the vehicle load acting on the rail joints can be distributed to sleepers on both sides of the rail joints. There are also advantages such as the use of size sleepers.

JP 2005-282269 A JP-A-9-268502

  However, because “joint” is supported with the rail joints floating in the center between sleepers, the rail joints drop, the noise and vibrations associated with them, and track misalignment, etc. There was a big problem that hindered operation.

In particular, the present invention was made to solve the problem of "joint", and can easily join the rails to each other and fasten the rails to sleepers. It is an object of the present invention to provide an assembly type sleeper that can greatly reduce the factors that hinder the operation of the vehicle, such as the generation of noise and vibrations associated with this, as well as track deviation.

The present invention is composed of a plurality of basic sleepers laid side by side under a rail, and the basic sleepers are laid vertically under the rail and a horizontal sleeper laid horizontally under the rail. In an assembly type sleeper, which is integrally formed from a plurality of vertical beams, and is joined by a hinge structure in which adjacent vertical sleepers are connected to each other by a connecting plate and a connecting bolt, the connecting plate is located in the vertical beam. It is characterized by being attached to a reinforcing bar arranged in the frame .

  The present invention is a track sleeper mainly laid on the joint portion of the rail. According to the present invention, when the rail joint portion is directly supported by the vertical beam, the rail joint portion falls and this is caused by the factor. It is possible to greatly reduce the factors that hinder the operation of the vehicle, such as the noise and vibration that are generated, and even the track error.

  Moreover, even if a large vehicle load is applied to the vertical beam via the rail, the adjacent vertical sleepers of the basic sleepers act on the vertical beam caused by the vehicle load even if a large vehicle load is applied to the vertical beam via the rail. Since the bending moment can be greatly reduced, the cross section of the longitudinal beam can be reduced.

  In addition, the rail joints are usually constructed by connecting two basic sleepers and assembled in a cross-girder shape, but there are many basics on the roadbed where the sleepers may move on ballast tracks. It can also be laid as ladder sleepers assembled in a ladder shape by connecting sleepers.

In addition, the horizontal sleeper of the basic sleeper and the plurality of vertical beams can be integrally formed by a PC structure or an RC structure, and the horizontal sleepers are formed by a PC structure or an RC structure, and the vertical beam is made of a steel material such as a shape steel. It can also be formed.
Further, the basic sleeper can be molded in consideration of dimensions, weight, etc. within a range that can be handled by human power such as laying and transporting.

The connecting portion between the longitudinal beams of adjacent base sleepers can easily hinge structure by connecting the joint plate and connecting bolt.

It is desirable to interpose a connecting pad made of synthetic rubber or the like between the joint plates. The joint plate may be attached during the manufacturing process of the basic sleeper (advanced) or after the basic sleeper is manufactured (retrofitted).

  When the joint plate is attached in advance, the joint plate can be attached to a reinforcing bar arranged in the concrete of the vertical beam, and when the joint plate is retrofitted, an insert nut embedded in the concrete of the vertical beam ( It can be attached to the long nut) with mounting bolts.

Further, projecting a guide key on one of the joint plate, that said guide key to the other joint plate has guide holes for engagement is formed, when connecting the vertical beams each other, the alignment of the joint plate Can be easily performed.

Further, the joint plate, by which is attached to reinforcement that is Haisuji vertically within the beam, i.e., as a concrete form of the distal end portion of the longitudinal beams a joint plate by tipping the joint plate (wife partial) Can be used.

In addition, when the joint plate is attached by mounting bolts that are screwed into the insert nuts embedded in the longitudinal beam, that is, by attaching the joint plate later, the joint plate can be used for transportation and storage of basic sleepers. Since they do not interfere with each other, they are not bulky and easy to handle.

  According to the present invention, the present invention is mainly sleepers laid on the joint portion of the rail, and the rail joint portion is directly supported by the vertical beam by the assembly of the sleeper according to the present invention. Factors that hinder the operation of the vehicle, such as the drop of the seam portion and the noise and vibration that are caused by this, as well as the track error, can be greatly reduced.

  Moreover, even if a large vehicle load is applied to the vertical beam via the rail, the adjacent vertical sleepers of the basic sleepers act on the vertical beam caused by the vehicle load even if a large vehicle load is applied to the vertical beam via the rail. The bending moment can be greatly reduced, and thereby the cross section of the longitudinal beam can be reduced.

It is a top view which shows one Embodiment of an assembly-type sleeper. 1 is a side view, FIG. 1B is a cross-sectional view taken along the line II in FIG. 1, and FIG. 1C is an end view of the roll line. The basic sleeper which comprises the assembly-type sleeper shown in FIG. 1 is shown, (a) is a partially broken plan view, (b) is a partially broken side view. FIG. 4 is an enlarged view of the basic sleeper illustrated in FIG. 3. FIG. 2 shows another embodiment of a basic sleeper constituting the assembly-type sleeper shown in FIG. 1, wherein (a) is a partially broken plan view and (b) is a partially broken side view. FIG. 6 is an enlarged view of the basic sleeper illustrated in FIG. 5. The joint board which has a guide hole is shown, (a) is the front view, (b) is the ha-ha sectional drawing in (a). The joint board which has a guide hole is shown, (a) is the front view, (b) is a knee line sectional view in (a).

  1 to 8 show an embodiment of the assembled sleeper of the present invention and a basic sleeper constituting the assembled sleeper. In the drawings, the assembled sleeper 1 is laid side by side under a rail A. FIG. The book consists of a basic sleeper 2 and a plurality of connecting bolts 3 that connect the basic sleepers 2 together.

  The basic sleeper 2 is integrally formed from a horizontal sleeper 2a laid directly under the rail A and a plurality of vertical beams 2b protruding from both sides of the horizontal sleeper 2a.

  The vertical beam 2b extends directly below the rail A in the longitudinal direction of the rail A, and a joint plate 4 is attached to the end of each vertical beam 2b, 2b protruding from one side of the horizontal sleeper 2.

  Further, rail fastening brackets 5 and 5 are symmetrically attached to both sides of the rail A at the position where the rail A of the horizontal sleeper 2a is laid, and the rail A is fixed on the horizontal sleeper 2a by the rail fastening brackets 5 and 5. Yes.

  Further, a damping long pad 6 (indicated by a diagonal line in FIG. 1) is attached on the vertical beam 2b, and protrusions 2c for preventing the damping long pad are formed on both sides thereof. And the joint part B of the rail A is supported on the vertical beam 2b via the damping long pad 6.

  The lateral sleeper 2a is formed by a PC structure, and a plurality of PC steel materials 2d are inserted in the longitudinal direction thereof. Each vertical beam 2b is formed by an RC structure, and a plurality of reinforcing bars 2e are arranged in the longitudinal direction (see FIG. 3). The horizontal sleepers 2a and the vertical beams 2b are integrally formed.

  The joint plate 4 is attached to the tip of the vertical beam 2b, and both sides of the joint plate 4 project symmetrically on both sides of the vertical beam 2b. Further, bolt holes 4a through which the connecting bolts 3 are inserted are formed in the corner portions of the joint plate 4. .

  Further, a guide key 4b is protruded from one of the opposing joint plates 4 and 4, and a guide hole 4c through which the guide key 4b passes is formed in the other joint plate 4. The guide key 4b and the guide hole 4c are formed between the bolt holes 4a and 4a.

  The two basic sleepers 2 formed in this way abut the joint plates 4 of the two vertical beams 2b with each other, pass the guide key 4b through the guide hole 4c, are arranged side by side, and the joint plate 4 , 4, a connecting pad 7 is interposed.

  And the connection bolt 3 which consists of a high strength volt | bolt is fastened by the bolt hole 4a of both the joint plates 4 and 4. FIG. With the above configuration, the two basic sleepers 2 are assembled in a cross beam shape.

  In such a configuration, the joint portion B of the rail A is supported by the longitudinal beam 2b via the damping long pad 6, so that the joint portion B of the rail A can be prevented from dropping.

  Further, even if a large vehicle load acts on the vertical beam 2b via the rail A, the bending moment acting on the vertical beam 2b of the road floor reaction force due to the vehicle load can be reduced by connecting the vertical beam 2b with a hinge structure. This can greatly reduce the cross section of the vertical beam 2b.

  FIG. 4 and FIG. 6 show details of the attachment mode of the joint plate 4 in particular. FIG. 4 shows the concrete in the sleeper forming mold (not shown) in the manufacturing process of the basic sleeper 2. The joint plate 4 that also serves as the end form of the vertical beam 2b is attached to the end of the reinforcing bar 2e that is arranged in the form of the vertical beam 2b. The plate 4 is integrally attached to the tip of the vertical beam 2b.

  A screw hole 4d is formed in the joint plate 4 (see FIG. 7), and the joint plate 4 is pre-attached to the reinforcing bar 2e by screwing the end of the reinforcing bar 2e into the screw hole.

  FIG. 6 shows the manufacturing process of the basic sleeper 2 before the concrete is placed in the sleeper manufacturing formwork, before the insert (long nut) 8 is installed in the formwork of the vertical beam 2b, and the concrete is placed in the formwork. After the basic sleeper 2 is formed and the joint sleeper 2 is formed, the joint plate 4 is retrofitted by a mounting bolt 9 screwed into the insert 8 at the tip of the vertical beam 2b.

  The insert 8 is attached to the reinforcing bar 2e arranged in the vertical beam 2b. In addition, the joint plate 4 is formed with a recess (sink) 4f for housing the bolt head of the mounting bolt 9 together with a bolt hole 4e through which the mounting bolt 9 passes (FIG. 8). Then, after the mounting bolt 9 is tightened, a filler 10 such as mortar or resin is filled in the peripheral recess 4f of the bolt head so that the mounting bolt 9 is not loosened.

  Further, by applying an adhesive resin between the vertical beam 2b and the joint plate 4 or by interposing a cushioning material (not shown), local damage to the concrete portion such as a chipped portion of the vertical beam 2b is caused. Has been prevented.

  A plurality of basic sleepers 2 can be arranged side by side and connected to each other to form a ladder sleeper.

  The present invention makes it possible to easily connect the rails and fix the rails, and also inhibits the operation of the vehicle such as the drop of the joint portion of the rails, the generation of noise and vibration accompanying the rails, and the track error. Factors can be removed.

DESCRIPTION OF SYMBOLS 1 Assembling type sleeper 2 Basic sleeper 2a Horizontal sleeper 2b Longitudinal beam 2c Protrusion 2d for damping long pad prevention PC steel 2e Reinforcing bar 3 Joint bolt for connecting joint plate 4 Joint plate 4a Bolt hole 4b for connecting bolt insertion Key 4c Guide hole 4d Screw hole 4e for reinforcing bar end screwing Bolt hole 4f for mounting bolt penetration Recessed portion (sinking)
5 Rail fastening bracket 6 Damping long pad 7 Connecting pad 8 Insert nut (long nut)
9 Mounting bolt for fitting plate 10 Filling material

Claims (3)

It is composed of a plurality of basic sleepers laid side by side under the rail, the basic sleepers being a horizontal sleeper laid horizontally under the rail and a plurality of vertical beams laid vertically under the rail In the assembly type sleeper, in which the vertical beams of adjacent basic sleepers are joined together by a hinge structure in which the vertical plates of the basic sleepers are connected to each other by a connection bolt , the joint plates are arranged in the vertical beam. A built-up sleeper, which is attached to a reinforcing bar. It is composed of a plurality of basic sleepers laid side by side under the rail, the basic sleepers being a horizontal sleeper laid horizontally under the rail and a plurality of vertical beams laid vertically under the rail In the assembly type sleeper in which the longitudinal beams of the adjacent basic sleepers are joined together by a hinge structure in which the joint plates are connected to each other by a connection bolt, the joint plate is embedded in the longitudinal beam. An assembly type sleeper, which is attached by a mounting bolt screwed into an insert nut . 3. The assembly type sleeper according to claim 1 , wherein a guide key projects from one joint plate and a guide hole is formed in the other joint plate to engage the guide key. Sleepers.

Images