JPH0624402Y2 - A rail bearing straightening and fixing device used when laying a track directly connected to a concrete trackbed. - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention, when laying a track that is directly connected to a concrete roadbed, is designed so that the rails and the barbs of the rails can be reduced in advance by connecting the rails in parallel with each other by connecting members (such as sleepers). Related to a rail bearing straightening and fixing device that is used in a roughly calibrated state and is capable of accurately and efficiently calibrating railroad tracks, and that also contributes to a reduction in construction costs for concrete track directly connected tracks and a reduction in construction period. Is. The above-mentioned "railway"
Means a structure in which a rail is fastened to a connecting member such as a sleeper and assembled in a ladder shape, and the term "railway" is used in this meaning in this specification.

(Prior Art) When laying a track directly connected to a concrete track, as a rail support device used independently for parallel rails,
The ones shown in Figures 7-8 have been proposed. The rail bearing device a is provided with vertically extending screw holes f, f at both inner and outer sides of a rectangular plate-shaped bearing plate e having a bearing surface portion d for supporting a bottom portion c of a rail b. f, f, a support bolt h (standing on the roadbed concrete surface q) having an upper threaded part g on the upper part and a lower part formed in a taper shaft shape tapering downward The height of the support plate e can be adjusted by screwing the upper screw part g and changing the screwing state of the support bolt h, and the presser nut i screwed to the upper screw part g is used to hold the presser plate. By tightening the washer j, the inner side portion and the outer side portion of the upper surface m of the rail bottom portion c are pressed by the tip pressing portion k of the press washer j, and the rail bearing device a and the rail b are integrated by the pressing. As done It had.

As shown in FIG. 9, the rail supporting device a having such a structure is parallel to each other in a state where the rails b and b are connected to each other by the sleepers n and the rails and the barbs of the rails are roughly adjusted in advance. Attached to the opposite parts of the rails b, b,
The height of the track, the cant, and the like are adjusted by the cooperation of the two rail support devices a and a.

(Problems to be solved by the invention) However, when using the rail bearing device described above,
Since it is not possible to stably support and fix the track o, it is very difficult to accurately perform the work of adjusting the height of the track and the cant, and the work efficiency of the work is poor and the track is directly connected to the concrete track. There was a problem of increasing the track construction cost and lengthening the construction period.

Hereinafter, such a problem will be described in detail together with the cause of the problem.

The rail bearing device having the above configuration includes the following destabilizing factors (a) to (c).

(A) It is difficult to manufacture the lower surface p of the rail bottom portion c so that the entire surface thereof is in the same plane from the manufacturing process of the rail, and the bearing surface portion d of the bearing plate is also
It is virtually impossible to finish it as a completely coplanar surface. Therefore, when the rail bottom c is supported on the bearing surface d, the bearing surface d and the lower surface p of the rail bottom c are in perfect surface contact. Not obtained, the following unstable contact state occurs. That is, the contact state between the bearing surface portion d and the lower surface p cannot be the contact state in a portion that is most suitable for completely fixing the rail, and the contact portion is affected by the pressing state by the press washer and external pressure. Is an unstable contact state in which the temperature fluctuates easily.

(B) Further, since the upper surface m of the rail bottom portion c is also in a finished state similar to the case of the rail bottom portion lower surface p described above,
When the presser washer j is pressed by tightening the presser nut i, the pressing portion k has a planar shape, a linear shape, or a dot shape depending on the tightened state of the presser nut i. Even in such a case, it is difficult to determine the pressed part. In particular, when the press washer has a thin wall, the press washer is likely to be deformed, so that an unstable point-like pressing state is likely to occur.

(C) In addition, since the support bolts h, h are screwed on both sides of the support plate e, the four support bolts h, h, h, h of the two rail support devices in the opposed state are It is virtually impossible to adjust the threaded state so that a uniform load is applied to all of them. Therefore, when looking at each rail bearing device, one of the bearing bolts (two bearing bolts in total) Was to be the main force to receive the track load.

Since the conventional rail bearing device includes the above destabilizing factors, the rail bottom portion c is placed on the bearing surface portion d of the bearing plate e, and the holding washer j is tightened by the holding nut i so that the rail supporting device is attached to the rail supporting device. When it is installed today, the rail bottom c is in a state of being supported on the bearing surface d, but this support point is
It is likely to fluctuate irregularly under the influence of the adjustment work of the adjacent bearing device and the influence of external pressure such as vibration during concrete placing. As a result, since the above-mentioned devices attached to the rail continue to be in an unstable state at all times, if they are left as they are, correct adjustment work such as height adjustment, cant, etc. will be performed correctly and the rail will be completely fixed at the specified position. It was impossible to do.

Therefore, when laying the required track using such a conventional device, prior to the placement of the roadbed concrete,
It was necessary to supplementarily fix the rail supported by the device with a large number of auxiliary materials.

As described above, in the conventional method of fixing the track using a large number of auxiliary materials, there is a problem that it is difficult to lay a highly accurate track due to an increase in unstable elements. There is also a problem that it takes a lot of time and labor, which leads to a decrease in construction efficiency, a longer construction period, and an increase in construction cost.

(Means for Solving the Problems) In order to solve the above-mentioned problems, a rail bearing straightening and fixing device (hereinafter, referred to as a device) 1 of the present invention is provided with parallel rails 2 when laying a track directly connected to a concrete trackbed. 2 A rail support plate 8 for supporting the lower surface 6 of the rail bottom portion 5 in a point-like support state, which is a device used in a state where the rail and the barb of the rail are roughly adjusted in advance by the connection of the mutual connecting members 3.
Inner and outer point pressing portions 10, 10 for pressing the inner portion of the upper surface 9 and the outer portion of the upper surface 9 of the rail bottom portion 5 in a point-like pressed state are provided on the inner portion and the outer portion of the upper surface. The point-shaped pressing portion 10 is made rigid so as not to be deformed when being pressed, and vertically in the screw forming portion 15 which is continuously provided inside the rail support plate 8 or outside the rail support plate 8. In the screw hole 16 provided as it extends,
The upper screw portion 17 of the bearing bolt 11 having an upper screw portion 17 on the upper portion and a lower portion formed in a taper shaft shape that becomes gradually smaller toward the lower side is screwed into the upper screw portion 17, and the screw of the bearing bolt 11 is screwed. The height of the rail support plate 8 can be adjusted by changing the state. The rail support plate 8 supports the lower surface 6 of the rail bottom portion 5 in a three-point supporting state at its inner portion and its outer portion, and three point-shaped supporting portions 7, 7, 7 form each vertex of a triangle. In particular, the rail bearing plate 8 is provided with two protrusions on either the inner surface upper portion or the outer surface upper portion, and one on the other side. In addition, the inner and outer point-shaped pressing portions include three point-shaped supporting portions 7 in the middle portion of the two point-shaped supporting portions and both side portions of the one point-shaped supporting portion.
The bottom surface 21 of the rail bottom 5 has an upper surface 9 so that all of the rails 7 and 7 are in contact with the bottom surface 6 of the rail bottom 5.
The inner side portion and the outer side portion of the upper surface 9 of the rail bottom portion 5 are pressed in a point-like pressing state.

The most ideal embodiment of the device 1 of the present invention is that when laying a track directly connected to a concrete trackbed, parallel rails 2 and 2 are connected to each other by a connecting member 3 so that the rail and the barb of the rail are roughly adjusted in advance. The apparatus used in the above-mentioned state, the upper surface inside portion and the upper surface outside portion of the rail support plate 8 supporting the bottom surface 6 of the rail bottom portion 5 in a point-like support state,
Inner and outer point pressing portions 10, 10 for pressing the inner portion of the upper surface 9 and the outer portion of the upper surface 9 of the rail bottom portion 5 in a point-shaped pressing state.
Is provided. The point-shaped pressing portion 10 is made rigid so as not to be deformed when being pressed, and vertically in the screw forming portion 15 which is continuously provided inside the rail support plate 8 or outside the rail support plate 8. The upper threaded portion 17 of the bearing bolt 11 is provided with an upper threaded portion 17 in the upper portion and is formed in a taper shaft shape in which the lower portion is gradually tapered downward. The height of the rail support plate 8 can be adjusted by changing the screwing state of the support bolts 11. The rail support plate 8 supports the lower surface 6 of the rail bottom portion 5 in a three-point supporting state at its inner portion and its outer portion, and three point-shaped supporting portions 7, 7, 7 form each vertex of a triangle. In particular, the rail bearing plate 8 is provided with two protrusions on either the inner surface upper portion or the outer surface upper portion, and one on the other side. In addition, in the inner and outer point-shaped pressing portions, all of the three point-shaped supporting portions 7, 7, 7 are provided in the intermediate portion of the two point-shaped supporting portions and both side portions of the one point-shaped supporting portion. The inner portion of the upper surface 9 of the rail bottom portion 5 and the outer portion of the upper surface 9 of the rail bottom portion 5 are pressed in a point-like pressed state so as to come into contact with the lower surface 6 of the rail bottom portion 5. Further, the above-mentioned point pressing portion for pressing the upper surface 9 of the rail bottom portion 5 at the intermediate portion between the adjacent point support portions is provided integrally with the rail support plate 8, and the rail bottom portion 5 is provided at both side portions of the point support portion. The dot-shaped pressing portion that presses the upper surface 9 is formed as a movable pressing portion,
The movable pressing portion has an arcuate base end portion 20 that engages with a locking step portion 22 provided on an upper inner surface portion or an upper outer surface portion of the rail support plate 8 in a point contact state, and
A pressing member formed such that the tip lower surface portion 21 is in point contact with the upper surface 9 of the rail bottom portion 5, and elongated bolt holes 23 that are long inward and outward of the rail 2 are provided so as to penetrate vertically. 25 is a holding bolt 27 that can be inserted into the elongated bolt hole 23 and screwed into the screw hole 26 of the rail support plate 8.
Therefore, it can be attached to the rail support plate 8. Then, by tightening the presser bolt 27, the tip lower surface portion 21 of the pressing member 25 presses the upper surface 9 of the rail bottom portion 5 in a point-like pressed state.

On the inside of the inside of the rail bearing plate 8, a gauge tie 3
Taper hole 3 for fitting the tapered shaft-shaped portion 31 at the 0 end
In some cases, the gauge tie hooking portion 29 provided with two pieces may be continuously provided.

(Operation) However, in order to correct the height of the track, the cant, etc. using the device 1 of the present invention, first, the parallel rails 2, 2 are connected to each other by the connecting member 3 such as sleepers, and the rails, The barbs of form a track that has been roughly adjusted in advance. Then, the rail bottom 5 is placed on the rail bearing plate 8 of the device 1 in which the bearing bolts 11 (standing on the concrete surface 45 of the roadbed) are screwed together at, for example, opposing portions of the rails 2, 2. In addition, the inside and outside of the rail bottom upper surface 9 is pressed by the point pressing portion 10.

Taking the case where the lower surface 6 is supported at three points and the upper surface 9 is pressed at three points in the mode shown in FIG.
Is the upper surface portion 1 of the three fixed point-shaped supporting portions 7, 7, 7.
It is stably supported by a wide support part (3, 13 and 13) including a wide support part (the support part inclines in conformity with a small return of the rail), and it is as if the lower surface 7 of the bottom part 5 of the rail is a rail support plate. 8 is in close contact with the upper surface 12 of 8 and is in a state of being supported. As a result, the upper surface portion 1 of the three point-like support portions 7, 7, 7
A fixed triangle formed by 3, 13, 13 in the same plane in a substantially horizontal direction, and the upper surface 13 of the point-like support portion 7.
The relative position of the device 1 and the rail 2 is completely determined by the fixed triangle formed in the same plane in the substantially vertical direction formed by the lower surface part 21 of the point-like pressing part 10, and each device 1
And the rail 2 are completely fixed. Therefore, the devices 10 mounted on the opposite rails stably adjust the height of the bearing bolts 11 to stably support and fix the aligned rail 44 in the aligned state. An accurate track is laid by placing the roadbed concrete 42.

The point-shaped pressing portion formed by the movable pressing member 25 firmly and reasonably and firmly presses the upper surface of the rail bottom portion into a dot shape by tightening the holding bolt 27.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 to 4, the apparatus 1 according to the present invention has a rail and rails 2 and 2 which are parallel to each other and are connected to each other by connecting members (sleepers or the like) 3 which are parallel to each other when the rail is directly connected to the concrete roadbed. It is used in a rectified state, and the bottom 5 of the rail is provided on the inside and outside of a rail support plate 8 having a raised point support 7 that supports the lower surface 6 of the bottom 5 in a point support state. A point-like pressing portion 10 having a high rigidity for pressing the inside and outside of the upper surface 9 of the rail in a point-like pressing state is provided, and a bearing bolt 11 is screwed into a screw forming portion provided on either the inside or outside of the rail support plate 8. And support bolt 1
The height of the rail support plate 8 can be adjusted by changing the screwing state of 1.

As shown in FIG. 2, the rail support plate 8 is formed in a horizontally long rectangular plate shape that tapers toward the tip, and an upper surface 12 thereof is an inclined surface that conforms to the barb of the rail 2. , Two point-like support parts 7a, 7a on both sides of the outer part of the inclined upper surface 12 and one point-like support part 7b on the substantially central part of the inner part of the upper surface 12 are provided at the vertices of the triangle. The upper surface portion 13 of each of the outer two point-like support portions 7a, 7a is
Reference numeral 13 is in contact with the lower surface outer portion 6a of the rail bottom portion 5, and upper surface portion 13 of the inner point support portion 7b is in contact with the lower surface inner portion 6b of the rail bottom portion 5. In addition, in the present embodiment, the three point-like support portions 7a, 7a, 7b are formed as trapezoidal ridge portions having a relatively small area in the upper surface portion 13 in consideration of durability thereof, In addition, the three point-like support portions 7a, 7a,
7b are arranged as forming the vertices of an isosceles triangle. On the outside of the rail bearing plate 8, a screw forming portion 15 having a columnar boss portion extending in the vertical direction is continuously provided, and a screw hole provided in the screw forming portion 15 as if extending vertically. The upper end portion 16 has an upper threaded portion 17, and a lower portion of the upper threaded portion 17 has a tapered shaft shape 18 that gradually becomes thinner downward and a lower end 19 is formed as an arc surface. Bearing bolt 1
The upper screw portion 17 of No. 1 can be screwed. In addition, the vertical length of the upper screw portion 17 is determined by the screw hole 16
It is set so that the height of the track and the cant can be adjusted without a bearing by changing the screwing state of the upper threaded portion 17 with respect to.

Further, the dot-shaped pressing portion 10 includes two outer dot-shaped supporting portions 7a, 7a.
It is formed as a fixed pressing part 10a arranged in the middle part of a and as a movable pressing part 10b arranged on both sides of the inner point support part 7b, and when the upper surface 9 of the rail bottom part 5 is pressed. It has a rigidity that does not deform. The fixed pressing portion 10a is the screw forming portion 15
It is provided integrally with the screw forming portion 15 so as to project inward at the upper end portion thereof, and the lower surface portion 21 presses the outer portion 9a of the upper surface 9 of the rail bottom portion 5 in a point-like pressing state. In the movable pressing portion 10b, the arcuate base end portion 20 engages with the locking step portion 22 provided on the inner surface of the upper surface of the rail support plate 8 in a point-like contact state, and the tip lower surface portion 21 is An elongated bolt hole which is formed as a triangular block whose tip is bent in a beak shape and which is in point contact with the inner portion 9b of the upper surface 9 of the rail bottom 5, and which is long in the inner and outer directions of the rail 2. A pressing member 25, which is provided as if the vertical shaft 23 extends vertically, is inserted into the elongated bolt hole 23 and is held by a holding bolt 27 which can be screwed into a screw hole 26 of the rail supporting plate 8. The tip lower surface portion 21 of the pressing member 25 presses the upper surface inner portion 9b of the rail bottom portion 5 in a point-like pressing state by tightening the holding bolt 27.

In the present embodiment, a gauge tie used to finely adjust and fix the gauge lane, which is adjusted by the connecting member 3, to the gauge tie engaging portion 29 that is continuously provided inside the inner portion of the rail support plate 8. 30 end taper shaft 3
A tapered hole portion 32 having a diameter that gradually decreases toward the bottom is provided for inserting 1. The gauge tie 30 is, for example, as shown in FIG. 1 and FIG. 3, attached to the left side portion 33 and the right side portion 35 of a hollow pipe in which female threads in opposite directions are formed on the left side portion 33 and the right side portion 35, respectively. A male screw portion 37 of an L-shaped screw shaft 36 having a tapered shaft portion 31 at the tip is screwed together, and an intermediate portion of the hollow pipe is formed so as to penetrate the hollow portion and project to both sides. The stop shaft 39 is fixed, and the gauge tie 30 can be expanded and contracted by inserting the locking shaft 39 into the tubular end portion 41 of the handle bar 40 and operating the handle bar 40 to rotate forward and backward. Is configured.

Next, with the device 1 according to the present embodiment,
The procedure for adjusting the cant will be described with reference to FIGS. First, the parallel rails 2 and 2 are connected to each other by a connecting member 3 such as a sleeper to form a rail 44 in which the rails and the barbs of the rails are roughly adjusted in advance. After that, the bearing bolts 11 (standing on the concrete surface 45 of the roadbed) are screwed into the opposing portions of the parallel rails 2 and 2, and the two pressing members 25, 25 are removed. The rail bottom portion 5 is placed on the rail support plate 8 of
At that time, the outer portion of the rail bottom portion 5 is inserted into the gap G formed between the rail support plate 8 and the fixed pressing portion 10a. When the rail bottom portion 5 is placed in this manner, the top surface portions 13, 1 of the three fixed point support portions 7a, 7a, 7b are placed.
It is stably supported by a wide support portion (including the support portion 3 and 13) that is wide in the same plane (the support portion is inclined in conformity with the barb of the rail), and it is as if the lower surface 6 of the rail bottom portion 5 is the rail support plate. 8 is in close contact with the upper surface 12 of 8 and is in a state of being supported. After that, the pressing members 25, 25 are inserted into the elongated bolt holes 23 so that the lower end portions 21 of the tips thereof come into contact with the inner portion 9b of the upper surface 9 of the rail bottom portion 5, and the screw holes of the rail bearing plate 8 are inserted. 26
When the presser bolts 27, 27 that are screwed together are attached to both sides of the inner side portion of the rail support plate 8 and the presser bolts 27 are tightened as required, as described above, they are engaged with the arcuate base end portion 20 of the pressing member 25. Since the stop portion 22 is engaged with the stop portion 22 in a point-like contact state, the tip lower surface portion 21 of the pressing member 25 presses the upper surface inner portion 9b of the rail bottom portion 5 without difficulty in a point contact state. The fixed pressing portion 10
The lower surface portion 21 of a presses the outer portion 9a of the upper surface 9 in a point-like pressing state. As a result, the upper surface 9 of the rail bottom portion has three point-shaped pressing portions 10 so that the stable support state by the three point-shaped bearing portions 7a, 7a, 7b is maintained.
It is pressed by a, 10b and 10b. As a result, as described in the above-mentioned “action”, the three dot-shaped support portions 7
a, 7a, 7b fixed triangles formed in the same horizontal plane formed by the upper surface portions 13, 13, 13 and the upper surface portion 13 of the point-shaped support portion 7b and the point-shaped pressing portions 10b, 1
0b with the lower surface portion 21 or the point-like support portion 7a,
7a and the lower surface portion 2 of the point-shaped pressing portion 10a
The fixed triangles lying in the substantially vertical plane formed by 1 and 1 make the individual devices 1 and rails 2 completely fixed. Therefore, the devices 1 attached to the opposite rails stably support and fix the rail 44 in the aligned state by the cooperation thereof.
An accurate track is laid by placing the roadbed concrete 42. If necessary, the opposing device 1,
By arranging the gauge tie 30 by fitting the taper shaft portion 31 into the taper hole portion 32 and fixing it between the two, by engaging the handle bar 40 with the locking shaft 39 and rotating the handle bar. , The gauge tie 30 is appropriately expanded and contracted, and the gauge is fixed in a finely adjusted state until the roadbed concrete 42 is hardened.

After the roadbed concrete 42 hardens, the point-shaped pressing members 10b, 10b are removed and the bearing bolt 1
1 is rotated in the direction in which it rises, and is withdrawn (since the lower portion 18 of the bearing bolt 11 is formed into a tapered shaft shape, the withdrawal can be easily performed), and the rail bearing plate 8 is removed. Pull towards you and remove. When the gauge tie 30 is installed, the tapered shaft-shaped portion 31 is removed from the tapered hole portion 32 prior to the removal of the rail support plate 8.

In the device of the present invention, when the point supports are arranged so as to form the vertices of a triangle, the arrangement is supported by the three fixed point supports for stable support of the rail bottom. Unless otherwise specified, it is not necessary to arrange them so as to form the vertices of an isosceles triangle.

In the device of the present invention, as the connecting member 3 for connecting the parallel rails 2 and 2 to each other, in addition to the sleeper 3a, the parallel rails proposed by the present inventor in Japanese Utility Model Publication No. 59-38486 are connected. An example of such a device is a fixed adjustment device for a railroad track that has a main girder. 5 to 6 illustrate the case where the device 1 of the present invention is used together with the fixed leveling device (indicated by reference numeral 3b). The game tie 30 shown in FIGS. 5 to 6 is used as necessary. By the way, the above-mentioned railroad fixed and straightening device 3b of Japanese Utility Model Publication No. 59-38486 is a device that can accurately straighten and fix the railroad track mainly using short sleepers. Can improve the track alignment accuracy as much as possible.

(Effect of the Invention) Since the device of the present invention is configured as described above, when laying a track directly connected to a concrete roadbed,
The track can be adjusted accurately and efficiently, and the adjusted track can be stably supported and fixed in that state, and it also contributes to the reduction of construction cost and the construction period of the concrete track directly connected track. . This is specifically described as follows.

In the device of the present invention, the bottom surface of the rail bottom is supported by the point support in the state of the point support by the three fixed point supports provided on the rail support plate, and the top surface of the rail bottom is pressed by the point pressing portion. The upper surface of each of the three dot-shaped supporting portions is a fixed triangle formed by the lower surface of each of the three dot-shaped pressing portions in a substantially horizontal plane, and the upper surface of the dot-shaped supporting portion. By means of fixed triangles in the substantially vertical coplanar plane formed by and the lower surface of the point-like pressing part, the individual devices and the rails are arranged in a completely fixed state. Therefore, according to the device of the present invention. Occasionally, it is possible to accurately perform the leveling work of the track, the cant, etc. by a simple operation, without requiring the assistance of an auxiliary material as in the conventional device described at the beginning, and In a rectified state In this state, the rail can be stably supported and fixed, and therefore, it is possible to lay a track with high accuracy by placing concrete on the track.

Moreover, since it requires almost no auxiliary material, it is possible to reduce the construction cost and the construction period.

In the device of the present invention, when the point-shaped pressing portion for pressing the upper surface of the rail bottom is formed by the movable pressing member that can be operated by the pressing bolt, the tightening force is effectively applied by tightening the pressing bolt. As a result, the upper surface of the rail bottom can be pressed firmly and reasonably.

In the device of the present invention, since the point-shaped pressing portion has high rigidity, there is no problem of causing damage to the pressing portion, unlike the case of the above-described conventional device that uses a deformable press washer, and therefore, The device of the present invention can be repeatedly used as it is many times, and has excellent durability.

[Brief description of drawings]

1 is a perspective view showing an embodiment of the device according to the present invention together with a part of a gauge tie, FIG. 2 is an exploded perspective view thereof, and FIG.
FIG. 4 is a front view showing the usage state, FIG. 4 is a plan view showing the usage state, FIGS. 5 to 6 are plan views showing another usage state of the device according to the present invention, and FIG. 7 is a conventional device. FIG. 8 is a front view showing the state of use of the conventional apparatus, FIG. 8 is an exploded perspective view of the conventional apparatus, and FIG. 9 is a plan view of the state of use of the conventional apparatus. 1 ... Device, 2 ... Rail, 3 ... Connecting member, 5 ... Rail bottom, 6 ... Lower surface of rail bottom, 7 ... Point support, 8 ...
--- Rail support plate, 9 --- Top surface of the rail bottom, 10 --- Point pressing portion, 11 --- Bearing bolt, 13 --- Top surface of point supporting portion, 15 --- Screw forming portion, 16 --- Screw hole , 17 ... upper screw part, 20 ... base end part, 22 ... locking step part, 23
...... Long hole bolt hole, 25 ...... Pressing member, 26 ...... Screw hole, 27 ...... Press bolt, 29 ...... Gauge tie engaging part,
30 …… Gauge tie, 31 …… Tapered shaft, 32 ……
Tapered hole.

Claims (3)

[Scope of utility model registration request] 1. A device used for laying a track directly connected to a concrete trackbed in a state in which the rails and the barbs of the rails have been roughly adjusted in advance by connecting the rails 2 and 2 which are parallel to each other by a connecting member 3. Then, the inner side of the upper surface 9 of the rail bottom 5 and the outer side of the upper surface 9 of the rail bottom 5 are point-pressed against the upper inner side and upper outer side of the rail support plate 8 that supports the lower surface 6 of the rail bottom 5 in a point-like support state. Inner and outer point pressing portions 10 and 10 for pressing in a state are provided, and the point pressing portion 10 is made of a rigid material that is not deformed during pressing, and is located inside or outside the inner portion of the rail support plate 8. In the screw forming portion 15 that is continuously provided on the outside of the screw forming portion, the screw hole 16 is formed so as to extend in the vertical direction, and the upper screw portion 1 is formed on the upper portion.
By screwing the upper threaded portion 17 of the bearing bolt 11 having a tapered shaft shape in which the lower portion is tapered toward the lower side, and changing the screwing state of the bearing bolt 11. The height of the rail support plate 8 can be adjusted; the rail support plate 8 has three point-like shapes for supporting the lower surface 6 of the rail bottom portion 5 in the inner portion and the outer portion in a three-point supporting state. Two supporting portions 7, 7, 7 are formed on each of the upper surface inner side portion and the upper surface outer side portion of the rail support plate 8 so as to form each vertex of the triangle, and one is formed on the other side. In addition, the inner and outer point-shaped pressing portions are provided with three point-shaped supporting portions 7, 7 at an intermediate portion of the two point-shaped supporting portions and both side portions of the one point-shaped supporting portion. , 7 all come into contact with the lower surface 6 of the rail bottom portion 5. In the lower surface portion 21, the inner portion of the upper surface 9 of the rail bottom portion 5 and the outer portion of the upper surface 9 of the rail bottom portion 5 are pressed in a point-like pressing state. Rail support straightening and fixing device used when laying a directly connected track. 2. A device which is used when a track directly connected to a concrete trackbed is laid in a state where the tracks and the barbs of the tracks are roughly adjusted in advance by the connection by the connecting members 3 of the parallel tracks 2 and 2. Then, the inner side of the upper surface 9 of the rail bottom 5 and the outer side of the upper surface 9 of the rail bottom 5 are point-pressed against the upper inner side and the upper outer side of the rail support plate 8 that supports the lower surface 6 of the rail bottom 5 in a point-like support state. Inner and outer point pressing portions 10 and 10 for pressing in a state are provided, and the point pressing portion 10 is made of a rigid material that is not deformed during pressing, and is located inside or outside the inner portion of the rail support plate 8. In the screw forming portion 15 that is continuously provided on the outside of the screw forming portion, the screw hole 16 is formed so as to extend in the vertical direction, and the upper screw portion 1 is formed on the upper portion.
By screwing the upper threaded portion 17 of the bearing bolt 11 having a tapered shaft shape in which the lower portion is tapered toward the lower side, and changing the screwing state of the bearing bolt 11. The height of the rail support plate 8 can be adjusted; the rail support plate 8 has three point-like shapes for supporting the lower surface 6 of the rail bottom portion 5 in the inner portion and the outer portion in a three-point supporting state. Two supporting portions 7, 7, 7 are formed on each of the upper surface inner side portion and the upper surface outer side portion of the rail support plate 8 so as to form each vertex of the triangle, and one is formed on the other side. In addition, the inner and outer point-shaped pressing portions are provided with three point-shaped supporting portions 7, 7 at an intermediate portion of the two point-shaped supporting portions and both side portions of the one point-shaped supporting portion. , 7 all come into contact with the lower surface 6 of the rail bottom portion 5. On purpose so as, the upper surface of the rail bottom 5 9
The inner portion of the rail and the outer portion of the upper surface 9 of the rail bottom portion 5 are pressed in a point-like pressed state; the point-shaped pressing for pressing the upper surface 9 of the rail bottom portion 5 at the intermediate portion between adjacent point-shaped support portions. The portion is provided integrally with the rail support plate 8, and the point-shaped pressing portions that press the upper surface 9 of the rail bottom portion 5 on both sides of the point-shaped support portion are formed as movable pressing portions. Is a base end portion 20 having an arc shape.
Engages with the locking step portion 22 provided on the inner surface of the rail support plate 8 or on the outer surface of the rail support plate 8 in a point-like contact state, and the tip lower surface section 21 makes a point contact with the upper surface 9 of the rail bottom section 5. And a long hole bolt hole 23 elongated in the inner and outer directions of the rail 2 is provided so as to penetrate in the vertical direction.
It can be attached to the rail bearing plate 8 by means of a holding bolt 27 which can be screwed into the screw hole 26 of the rail bearing plate 8 by inserting it into the rail bearing plate 8; Is adapted to press the upper surface 9 of the rail bottom 5 in a point-like pressing state, and is used for laying a track directly connected to a concrete trackbed. 3. An end of a gauge tie 30 used for finely adjusting and fixing a gage which is roughly adjusted in advance by a connecting member 3 to a gage tie hooking portion 29 which is continuously provided inward of an inner portion of the rail bearing plate 8. Laying a track directly connected to a concrete bed according to any one of claims (1) to (2), wherein a tapered hole portion 32 having a diameter gradually decreasing downward is provided for fitting the tapered shaft portion 31 of the portion. Rail support straightening and fixing device used when doing.