JP2710684B2 - Rail and girder joint gap dividing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a track of a magnetically levitated linear motor car of a suction type, which is connected between adjacent buildings, or between a long bridge and the ground, and which is connected to a track girder. When arranging, the thermal expansion and contraction due to temperature change, the occurrence of excessive rail gap due to relative displacement due to earthquake motion can not be avoided, but rails provided to handle such harmful problems, The present invention relates to a device for dividing a track girder joint gap.

[Prior art] Conventionally, as a treatment of a place where a relative displacement occurs due to thermal expansion and contraction, earthquake motion, etc., a comb-shaped engagement joint is used for a joint of a rail expansion joint of a railroad vehicle and a joint of a bridge support portion. Have been.

[Problems to be Solved by the Invention] It is difficult to apply the above-described conventional joints to rails of a suction type magnetic levitation type transport vehicle. In this type of system, the rail has a complicated shape,
Each part has a special function. Among these functions, if the gap between the rail joints becomes too wide, there is a problem in the following places.

1. When the brake passes through the seam, if there is a wide gap, there is a risk of falling and damaging.

2. A landing shoe (sledge) is also provided for emergency use.

3. If there is a step at the rail joint, there is a danger that the brake or skid will collide with the step, and it must be avoided most. A connecting metal fitting or the like is used as a method for suppressing the step. However, if the gap is widened, the function of preventing the step becomes poor, and it is unavoidable that a step is generated.

[Means for Solving the Problems] In order to solve such a problem, the present invention disperses the relative gap between the increase and decrease of the relative gap which occurs at one location.
In addition to distributing to more than two places, providing rails at the rail joints at those places and dispersing them at two more places, at least the gap length is dispersed to 1/4 or 1/6, 1/8 at a time The purpose is to eliminate the trouble at the time of passing.

Further, the crossing rail has an effect of eliminating a step of the rail and changing the rail into a minute corner break, and further aims to largely eliminate a danger of a collision at the step.

[Operation] In the present invention, the bridging beam 17 is transferred and supported by the movable bearing between the two-point bearings in the specific section where excessive relative displacement occurs.
Divides the gap created by the balance arm 19 acting so as to be located in the middle of the relative displacement between the two points, and also crosses the joints at both ends of the rails 2, 2a attached to this girder. Each of the crossing rails 3 is provided, and the crossing rail 3 is also divided into two by the balance arms 5,5 which always act in the middle of the crossing gap. As a result, the relative displacement between the two points is divided into four. An object of the present invention is to solve the problem caused by the excessive gap by replacing the excessive gap with the small gap.

[Embodiment] Next, an embodiment of a gap dividing device for a rail and a track girder joint according to the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 show a rail joint gap dividing device. A pair of rails 2, 2 and 2a, 2a are attached to the left and right of the adjacent spar 1, 1a, respectively, and both rails 2, 2a are notched at their relative portions, and are straddled over the notched rails 2, 2a. The crossing rail 3 of a small section dimension is passed so as to be completely.

It has an integral structure in which a connecting member 4 is passed between the pair of right and left crossing rails 3,3.

To the left and right rails 3, 3 of the connecting member 4, balance arms 5, 5 pivotally supported at the center are attached, and the other ends of the rods 6, 6a having both ends of the balance arms 5, 5 as fulcrums are rails 2 respectively. The girder attached with 2a
It is supported on 1,1a.

FIG. 2 shows another embodiment, in which a pair of right and left crossing rails 3,3 is provided.
, The two connecting pieces 14, 14a are passed and connected, and
On the side closer to the crossing rails 3,3, on the sides 14,14a, link pieces 7,7 attached to the center part by pivotally supporting the balance arms 5,5 are connected to form a parallelogram. It is.

The other ends of the balance arms 5, 5 pivotally support the lots 6, 6a, and the other ends are pivotally supported by the girders 1, 1a to which the rails 2, 2a are attached.

3 to 6 are drawings of a dividing device of a track girder joint gap, and FIG. 3 is a diagram showing a supporting member at a specific position in a track girder A having continuous ends passing between adjacent buildings 15 and 15a and having fixed ends. A bridging girder 17 is provided between two points of a building 15 and a supporting column 16, and both ends of the bridging girder 17 are supported by movable bearings.

Therefore, relative displacement is allowed due to thermal expansion or contraction or seismic motion.

In addition, a balance arm 19 having its center pivoted at 18 is attached to the bridge girder 17, and one end of a rod 20, 20a is pivotally supported at the end of the balance arm 19, and the other end of each of the rods 20, 20a is relatively displaced. Are symmetrically supported by buildings 15, 15a where

4 and 5 show the case of a bridge, in which a bridge 21 has a fixed bearing 22 at one end and a movable bearing 23 at the other end, on which a track girder A is laid. 17 is provided by a movable bearing.

The bridge girder 17 has a balance arm with a central support shaft 18 as described above.
At the end of the balance arm 19, there are rods 20, 20a that pivotally support one end at the terminal, and the other ends of the rods 20, 20a are symmetrically mounted on a support plate 24 and a bridge 21 that support the bridge 21. It is provided pivotally.

FIG. 6 shows a case of dispersion at three places, in which two of the above-mentioned bridging girders 17 are arranged continuously, and both ends of the bridging girders 17 and 17a are both movable bearings. The balance arms 19 and 19a having the pivots 18 and 18a at the center are attached, and one end of each of the rods 20, 20a, 25 and 25a is pivotally supported at each end of each of the balance arms 19 and 19a, and the rods 20, 20a and 25, The other end of 25a is rod 2
In the case of 0,20a, it is pivotally supported on the support plate 24 and the bridge 21, and the rod 25,
25a is supported by a bridge girder 17 and a bridge 21, respectively.

Although the above-mentioned division is performed at two places and three places, it is needless to say that the division can be made at plural places.

Further, the balance arm 19 is pivotally supported by the bridge 17 at the center, but it can be divided into an arbitrary amount of displacement by changing the ratio of the left and right arm lengths.

[Effects] As described above, in the present invention, at rail joints whose relative positions fluctuate relatively due to thermal expansion and contraction or seismic motion, a crossover rail in which both rails are cut and mounted is passed to each of a pair of right and left rails, The connecting rail is integrally formed between the two connecting rails by a connecting member, and a balance arm for pivotally supporting the center is attached to each rail of the connecting member, and the other end of the rod having both ends of the balance arm as a fulcrum is connected to the connecting rail. The splitting device of the rail joint gap supported by the rail mounting girder on each side.The gap is divided evenly by the balance arm acting so that the rail is always positioned in the middle of the rail gap. It can be a small gap. Also, a bridging girder is passed between two points that fluctuate, and both ends of the bridging girder are supported by a movable bearing, and a balance arm whose center is pivotally mounted is attached. The other end is a splitting device for the girder gap that is pivotally supported on both ends of the girder that causes relative displacement or on a structure that behaves integrally with the support. The crossing girder is supported by a movable bearing, and there are always two crossing girder. The balance arm acts so that it is positioned in the middle of the relative displacement between the two, and the gap is divided equally to make it a small distribution gap, thereby preventing damage and danger caused by dropping due to an excessive clearance and simplifying the complicated configuration. There is an effect that it can be made.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of a rail and girder joint dividing device according to the present invention, and FIGS. 1 and 2 show rail joint gap dividing devices. FIG. 1 is a plan view and FIG. Fig. 3 is a plan view of another embodiment, Figs. 3 to 6 are track girder joint gap dividing devices, Fig. 3 is a plan view of a continuous track girder train passing between adjacent buildings, Figs. FIG. 5 is a case of a bridge, FIG. 4 is a side view, FIG. 5 is a plan view, and FIG. 6 is a plan view dispersed in three places. 1,1a… Girder, 2,2a… Rail, 3… Transition rail, 4…
… Connecting material, 5,19,19a …… Balance arm, 6,6a, 20,20a, 25,25a…
... Rod, 7 ... Link piece, 14,14a ... Connecting piece, 15,15a
…… building, 16 …… post, 17,17a …… crossing girder, 18,18a ……
Axial support, 21 ... Bridge, 22 ... Fixed support, 23 ... Movable support,
24 ...... Support plate

Claims (4)

(57) [Claims] 1. At a seam of a rail whose relative position fluctuates relatively due to thermal expansion and contraction or earthquake motion, a crossover rail in which both rails are cut and mounted is passed to each of a pair of right and left rails, and between the left and right crossover rails. The connecting material has an integral structure, a balance arm that supports the center near the left and right rails of the connection material is attached, and the other end of the rod that supports both ends of the balance arm as a fulcrum crosses the crossing rail. Rail and girder joint separation device characterized by being pivotally supported by the rail mounting girder on the side. 2. A pair of right and left crossover rails are pivotally supported by two connecting members to form a parallelogram, and one connecting member is further disposed on each of the connecting members near the left and right rails. 2. The rail and girder joint gap dividing device according to claim 1, wherein a balance arm is mounted on the connecting member near the rail. 3. A bridging girder is provided between two points where the relative position fluctuates greatly due to thermal expansion or contraction or seismic motion at a specific place of a continuous track girder such as between adjacent buildings or at a bridge terminal. Both ends of the bridging girder are supported by movable bearings, and a balance arm whose center is pivotally mounted is attached. The other end of the rod having the two ends of the balance arm as a fulcrum causes a relative displacement of the girder at both ends. A rail and girder seam gap dividing device characterized in that it is rotatably supported by a structural part that behaves integrally with a part or a support part. 4. The displacement of relative relative positions is divided into arbitrary ratios by changing the ratio of the left and right arm lengths of the balance arm to 1: 2 or 1: 3, and the movements are further adjacent to each other. 4. The rail and girder joint gap dividing device according to claim 3, wherein the displacement amount is divided into two or more places by dividing between the girder and the girder.