JP2002212901A - Sleeper coupling device and railway branching device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sleeper coupling device and a railway branching device making use thereof capable of preventing the movement of a sleeper by vibration or impact resulting from a car traveling on rails. SOLUTION: The sleeper coupling device includes a contact section coming into contact with the center of one way by intersecting the surface of the sleeper and a pair of guide sections projecting by inclining to the direction widening the front ends each other from both ends of one way, and it is constituted by including a sleeper protector having a serrated groove section constituted by arranging a large number of ups and downs in both ends of the other way, clamping pieces fitted along the guide sections in a slidable manner and detachable to the side of the sleeper when they slide, an joining plate capable of overlapping the end of the other way and having a position adjusting groove section engaging with the serrated groove section on the overlapping surface, an end protection plate capable of overlapping a position with which the joining plate does not overlap in both ends of the other way for the sleeper protector and a bolt for clamping the joining plate or the end protection plate and the clamping pieces by holding the sleeper protector.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sleeper connecting device for fixing installed sleepers so as not to displace each other, and further relates to a railway branching device in which sleepers are connected and fixed using such a sleeper connecting device. It is about.

[0002]

2. Description of the Related Art In constructing a railway track, a solid roadbed is built on the ground, gravel and crushed stones are laid on the railroad tracks, and sleepers are arranged. It is common to use the sleepers and rails together. In this way, gravel and crushed stones laid on the roadbed are used to support the weight of the rail and the train running on it via the sleepers, and to reduce the vibration and impact load received during the running of the train. However, there is a problem that if vibrations or the like due to running of the train are repeatedly applied, loosening gradually occurs under the sleepers, and the positions of the sleepers and the rails are easily shifted.

[0003] If the rails are displaced or settled due to the looseness of the trackbed, there is a high possibility that an accident such as derailment of the train may occur in a portion where the curve radius of the track is small. In order to compact the rails and return the rails to their normal positions, wire keeping work is indispensable. However, the acceleration and braking of passing vehicles are frequently repeated near the junction of railways,
The sleepers are likely to move, which is one of the causes of the malfunction of the switch device. In addition, parts for rail movement and signal switching in the switching device,
Since various kinds of parts such as a lubrication device for rail abrasion and a snow melting device are installed, the arrangement of sleepers is complicated, and maintenance work such as driving in crushed stones is not easy.

[0004]

As described above, it is unavoidable that the crossties are caused by the movement of the vehicle on the railway in the railway, but it is possible to prevent the decrease in the safety during the operation of the vehicle and increase the maintenance work. Had been a problem. Accordingly, the present invention provides a means for fixing a sleeper, which can limit the occurrence of irregular movement of a sleeper laid for a railway due to vibration or impact by a vehicle traveling on a rail, or a repeated load. The present invention aims to provide a new sleeper connecting device, and to provide a railway branching device that uses the sleeper connecting device and is easy to perform maintenance work.

[0005]

A sleeper connector according to the present invention, which can achieve the above object, has a contact portion which crosses and contacts a surface of a sleeper at a central portion of one surface, and A sleeper backing plate A having a pair of guide portions projecting inclining in a direction in which the tips spread from both end portions in a mutually expanding direction, and having a serrated ridge groove portion in which a number of peaks and valleys are arranged at both end portions of the other surface; ,
A fastening piece B that is slidably fitted along the guide portion and that comes into contact with and separates from the side of the sleeper when sliding, and can be superimposed on an end of the other surface of the sleeper backing plate that is in contact with the sleeper; A connecting plate C provided with a position adjusting ridge groove portion that meshes with the sawtooth ridge groove portion on the surface to be formed, and a position where the connecting plate does not overlap among the two end portions of the other surface of the sleeper backing plate,
An end protection plate D provided with a protection ridge groove engaging with the serrated ridge groove on the surface to be overlapped, and the connecting plate or the end protection plate and the fastening piece are fastened with the sleeper backing plate therebetween. And a bolt E.

[0006] The sleeper connecting device constructed as described above comprises a plurality of sleepers arranged on a track bed, a basic rail and a floor plate fixed on the sleepers, and a tong rail provided on the floor plate. And a railroad switching device including at least a switching device for moving the tongue rail to and away from the basic rail, the railroad switching device being used as a sleeper coupling tool for integrally coupling at least a part of the plurality of sleepers.

In the sleeper connecting device of the present invention, the bolt is inserted into a through hole provided in the connecting plate or the end protection plate and the sleeper backing plate, and a tip of the bolt is inserted into a screw hole provided in the tightening piece. When it is configured to be screwable, the sleeper is clamped to the sleeper by simply clamping the bolt so that the sleeper is sandwiched by the pair of tightening pieces, and each sleeper rest is connected via the connecting plate. The plates can be integrally connected.

In the sleeper connecting device of the present invention, if the through holes in the sleeper backing plate, the connecting plate, and the end protection plate are long holes, the connecting plate and the end protection can be formed with respect to the sleeper backing plate. Even if the position where the boards are overlapped or the position of the tightening piece that presses against the crossties having different widths are appropriately adjusted, there is no possibility that the through hole and the bolt interfere with each other.

Further, the sleeper connecting device of the present invention is characterized in that a falling-off prevention side wall surrounding the overlapped connecting plate or the end protection plate is provided upright on both side edges of the sleeper backing plate. Since the end protection plate can be moved along the side wall for preventing falling off of the sleeper backing plate, the work of adjusting the position of the connecting plate or the like becomes easy. There is no danger of falling off from the overlapping position of the board,
High safety.

[0010] In addition, in the sleeper connecting device of the present invention,
A stopper pin is detachably provided on the guide portion of the sleeper backing plate to prevent the tightening piece fitted slidably from falling off, and after the tightening piece is slidably fitted to the guide portion, If the stopper pin is fixed, even if the bolt is removed, the tightening piece does not fall off from the guide portion, and the screwing operation of the bolt becomes easy.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a cross section of a state in which the sleeper connecting device of the present invention is attached to a sleeper and connected thereto, and FIG. 2 is a diagram illustrating members constituting the sleeper connecting device of the present invention and a state in which the respective members are assembled. 3A and 3B show an example of a connection posture of the sleeper connecting device of the present invention with respect to a sleeper, wherein FIG. 3A shows a state in which a sleeper abutment plate is brought into contact with an upper surface of an end of the sleeper and is combined, and FIG. [FIG. 6] is a perspective view showing a state in which a sleeper backing plate is brought into contact with an end side surface of the sleeper to be joined. FIG. 4 is an external view showing a configuration of a railway branching device in which sleepers are connected using the sleeper connecting tool of the present invention.
As can be seen from these figures, a set of sleeper couplings of the present invention includes a sleeper backing plate A, a pair of tightening pieces B, and a connecting plate C.
And an end protection plate D used in a place where there is no connecting plate C;
It is constituted by bolts E for fastening these.

As shown in FIG. 1 and FIG.
A contact portion A1 is formed at a central portion of one surface (the lower surface in FIG. 1) so as to intersect in a direction substantially perpendicular to the length direction of the sleeper P and is in contact with the upper surface of the sleeper P. A pair of guide portions A2 is provided on both sides of the sandwiched portion so as to project downward from the one surface. These guide portions A2 are formed in a plate shape, and their tips are inclined in a direction in which they mutually spread,
A reinforcing rib A3 is provided on an outer side surface of the guide portion A2. Further, on both ends of the other surface (the upper surface in FIG. 1) of the sleeper backing plate A, that is, on the side opposite to the guide portion A2, a plurality of sawtooth-shaped ridges and grooves A4 formed by arranging a number of sawtooth-shaped valleys in the longitudinal direction. Is provided.

Such a serrated ridge groove A4 adjusts the relative position with respect to components, such as the connecting plate C and the end protection plate D, which are superposed thereon, and reliably prevents displacement after further tightening. If the pitch between the peaks and valleys forming the ridges is reduced, relatively fine adjustment becomes possible. If the included angle between the peaks and valleys of the peaks is, for example, about 60 degrees, the adjustment can be performed. Later displacement can be reliably prevented. In addition, it is desirable to provide projections A5 for preventing the connection plate C or the end protection plate D that are overlaid on the sleeper backing plate A from falling off on both side edges of the serrated ridge groove portion A4. .

Further, at both ends of the sleeper backing plate A, elongated through holes A6 for inserting the bolt E are provided from the side of the serrated ridge groove A4 toward the side of the guide portion A2. A recess A7 (see FIG. 1) for avoiding interference with the bolt E is formed on the inner side surface of the guide portion A2.

As shown in the figure, the tightening piece B fitted to the guide portion A2 of the sleeper backing plate A has a sliding groove B1 slidable along the guide portion A2. The groove B1 is provided with an opening B2 for avoiding interference with the reinforcing rib A3 of the guide portion A2. Further, on the upper surface of the tightening piece B, a screw hole B3 to be screwed with the tip of the bolt E is provided. Then, after the fastening piece B is slidably fitted to the guide portion A2, a stopper pin A8 is attached to the lower end of the guide portion A2 in order to prevent the fastening piece B from dropping off. It is convenient because it can be handled in an assembled state with the fastening piece B.

The bolt E is connected to a through-hole C having a long hole shape to be described later through a spring seat E1 and a round seat E2.
2, or the end protection plate D is inserted through the long hole-shaped through hole D2 and the through hole A6 of the sleeper backing plate A in order, and then screwed into the screw hole B3. Therefore, when the bolt E is tightened to the tightening piece B, the connecting plate C or the end protection plate D is pressed against the sleeper backing plate A, and the tightening piece B is pressed against the side surface of the sleeper P, so that a pair of tightening pieces B, By B, the sleeper P can be reliably held.

The connecting plate C integrally connects the two sleeper backing plates A, A contacting the two adjacent sleepers P, P, respectively. At both ends of the connecting plate C that overlaps with each other, ridge grooves C1 and C1 for position adjustment that engage with the serrated ridge groove A4 of the sleeper backing plate A are provided, respectively. Through holes C2 and C2 are provided. (See FIG. 2).

At the part of the end of the sleeper backing plate A to which the connecting plate C is not connected, the serrated ridge groove A4 of the sleeper backing plate A is prevented from being damaged by the tightening of the bolt E which is screwed with the tightening piece B. In order to protect the end portion, an end protection plate D is used by being superposed. This end protection plate D is also provided with a protection ridge groove D1 that engages with the saw-tooth ridge groove A4, and also provided with a long hole-shaped through hole D2 for inserting the bolt E. The same as the connecting plate C.

Next, a method of integrally connecting the sleepers installed at the branch point of the railway by using the sleeper connecting tool constructed as described above will be described with reference to FIGS. 1 and 3. FIG.
As shown in FIG. 3A, in order to connect two sleepers P, P arranged at a relatively wide interval, first, a guide portion A
2, a tightening piece B is slidably fitted, and a stopper pin A8 is attached to prepare a sleeper backing plate A which is prevented from falling off. Then, on the upper surfaces of the end portions of the two sleepers P, for example, the sleeper backing plates A, A are respectively placed. However, when it cannot be placed on the upper surface of the sleepers P, 1, FIG.
As shown in (B), it can be installed sideways so as to contact the end face. At this time, the sleeper backing plate A is preferably arranged so as to be along a straight line that intersects at right angles to the length direction of the sleepers P, P.

Next, the ridge grooves C1 for adjusting the positions of both ends of the connecting plate C are respectively superimposed on the serrated ridge grooves A4 of the respective sleepers P, P which are adjacent to each other and on the respective sleepers P, P. In this state, the ends of the two sleeper backing plates A are bridged by the connecting plate C. Then, the protection ridge groove D1 of the end protection plate D is overlapped with the serrated ridge groove A4 where the position adjustment ridge groove C1 of the connection plate C does not overlap, and the through hole D2 of the end protection plate D and the sleeper pad are applied. The bolt E inserted into the spring seat E1 and the round seat spring E2 is inserted into the through hole A5 of the plate A,
The tip of the bolt E is screwed into the screw hole B3 of the tightening piece B and tightened. Then, the fastening piece B and the end protection plate D are firmly connected to the sleeper backing plate A, and at the same time, the inner side surface of the fastening piece B comes into contact with the side surface of the first sleeper P.

Next, the through hole C2 at the end of the connecting plate C which is overlapped with the other end of the sleeper backing plate A to which the end protection plate D is attached, and the through hole A5 of the sleeper backing plate A Then, a bolt E is inserted in the same manner as described above, the tip of which is screwed into the screw hole B3 of the tightening piece B, and the inner side surface of the tightening piece B is brought into contact with the side surface of the first sleeper P, Tighten the bolt E to the tightening piece B. Then, the fastening piece B and the connecting plate C are firmly connected to the sleeper backing plate A, and at the same time, the inner side surface of the fastening piece B is strongly pressed against the side face of the sleeper P, and the sleeper P is firmly held by the two fastening pieces B. As a result, the sleeper backing plate A and the connecting plate C are integrally connected to the first sleeper P.

In this manner, the connecting plate C having one end connected to the first sleeper P is in a state where the other end is overlapped with the end of the sleeper backing plate A on the second sleeper P. . Therefore, the through-hole C2 at the other end of the connecting plate C and the through-hole A5 thereunder.
Then, the bolt E is inserted in the same manner as described above, and the tip is screwed into the screw hole B3 of the tightening piece B and tightened. When the other end of the connecting plate C, the sleeper backing plate A on the second sleeper P is attached. At the same time, the fastening pieces B are brought into contact with the side surfaces of the second sleeper P. Thereafter, by sequentially repeating the above procedure, two or more sleepers P can be sequentially connected, and these can be integrally connected.

The sleeper connecting device of the present invention can be suitably used to sequentially connect one end of a sleeper. However, by connecting the left and right ends of the sleeper sequentially, a stronger and more secure connection is achieved. It can also be used to form a sleeper joint structure, and is not limited to straight or curved railway tracks, but is also contrary to the idea of the present invention, even when irregular sleepers are used at railway junctions and intersections. It can be used with changes and improvements as far as it does not occur.

The sleeper connecting device of the present invention having the above-described structure can be assembled and coupled with the sleeper by a simple operation of fastening a small number of parts with bolts, and furthermore, the size and installation of the sleeper. Even if the intervals are uneven, it is possible to respond widely by selecting appropriate parts from different dimensions and adjusting the combination position of the parts, and once assembled, disassembled and reconfigured It is easy to do. And the crossties connected by the crossties connecting tool of the present invention are very firmly connected as a whole, and there is no possibility of partial displacement, so that an extremely stable railway line can be constructed.

[0025]

Since the sleeper connecting device of the present invention is configured as described above, the sleeper backing plate with the tightening pieces mounted thereon is placed on each sleeper, and the connecting plate is hanged over the sleeper backing plate. In addition to the simple operation of just tightening, each sleeper can be connected integrally, and the integrated sleeper structure does not deform or displace even in environments subject to vibration or impact, and The labor and cost of the work can be greatly reduced, and the economic advantage is great.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a sleeper portion connected by a sleeper connector according to the present invention.

FIG. 2 is a perspective view showing a state where each member of the sleeper coupling device of the present invention is assembled.

FIG. 3 is a perspective view showing a state in which the end of the sleeper coupling device of the present invention is connected to a sleeper, where (A) shows a state of being fixed to the upper surface of the end of the sleeper, and (B) shows an end of the sleeper. The state fixed to the side surface of.

FIG. 4 is an external view showing a railway branching device in which sleepers are connected by the sleeper connecting tool of the present invention.

[Explanation of symbols]

 Reference Signs List A Sleeper backing plate A1 Contact portion A2 Guide portion A3 Reinforcement rib A4 Serrated ridge groove A5 Fall prevention projection A6 Through hole A7 Depression A8 Stopper pin B Tightening piece B1 Sliding groove B2 Opening B3 Screw hole C Connecting plate C1 Position adjustment Ridge groove C2 through hole D end protection plate D1 protective ridge groove D2 through hole E bolt E1 spring seat E2 round seat P sleeper

Claims (7)

[Claims] An abutting portion that intersects the center of one surface with the surface of the sleeper intersecting with the surface of the sleeper; and a pair of guide portions that protrude from both ends of the one surface in a direction in which the tips spread mutually. A sleeper backing plate provided with serrated ridges formed by arranging a number of peaks and valleys at both ends of the other surface; and a side surface of the sleeper which is slidably fitted along the guide portion and slides. And a connecting plate which can be overlapped with the end of the other surface of the sleeper abutment plate in contact with the sleeper, and provided with a position adjusting ridge groove which engages with the serrated ridge groove on the overlapped surface. An end protection plate provided with a protection ridge groove portion which can be polymerized at a place where the connection plate does not overlap among the two end portions of the other surface of the sleeper backing plate, and which engages with the sawtooth ridge groove portion on the overlap surface. The connecting plate or the end protection plate and the tightening piece are sandwiched by the sleeper backing plate. Sleepers coupling, characterized in that it is configured to include a bolt fastening, the in. 2. The method according to claim 1, wherein the bolt is inserted through a through hole provided in the connecting plate or the end protection plate and the sleeper backing plate, and a tip of the bolt is screwed into a screw hole provided in the tightening piece. The sleeper fixing bracket according to claim 1. 3. The sleeper fixing bracket according to claim 1, wherein the through hole is a long hole. 4. A falling-off prevention side wall surrounding the overlapped connection plate or the end protection plate is provided upright on both side edges of the sleeper backing plate. The sleeper fixing bracket according to any of the above. 5. The guide part of the sleeper backing plate is provided with a stopper pin for preventing a falling off of the tightening piece fitted slidably, in a detachable manner. The sleeper fixing bracket described in the crab. 6. A plurality of sleepers disposed on a roadbed, a basic rail and a floor plate fixed on the crossties, a tongue rail provided on the floor plate, and separating and connecting the tong rails to the basic rail. A railroad branching device, comprising at least a switching device for moving, wherein at least some of the plurality of sleepers are integrally connected via a sleeper coupling. 7. The sleeper coupling device has a contact portion that intersects a center portion of one surface and crosses the surface of the sleeper, and protrudes from both end portions of the one surface in such a manner that tips thereof extend in a direction in which the ends spread mutually. A pair of guide portions, and a sleeper backing plate provided with a sawtooth-shaped ridge groove portion in which a number of peaks and valleys are arranged at both ends of the other surface,
A fastening piece that is slidably fitted along the guide portion and that comes into contact with and separates from the side surface of the sleeper when sliding, and can be overlapped on the end of the other surface of the sleeper backing plate that is in contact with the sleeper, and the polymerization is performed. A connecting plate provided with a position adjusting ridge groove that engages with the saw-toothed ridge groove portion on a surface, and a position where the connecting plate does not overlap among the two end portions of the other surface of the sleeper backing plate can be superimposed on the surface to be superimposed. An end protection plate provided with a protection ridge groove engaging with the sawtooth ridge groove, and a bolt for fastening the connection plate or the end protection plate and the tightening piece with the sleeper backing plate therebetween. The railway branching device according to claim 6, which is configured.