JP2020122345A - Rail fixing device - Google Patents

Abstract

To provide a rail fixing device that does not require many members to fill a space between a rail and a bearer.SOLUTION: A rail fixing device for fixing a rail W, comprises: a left bearer 11 and a right bearer 12, which are respectively fixed to the left and right of a rail installation planned area R; a left pressing member 13 attached to the left bearer 11 and pressing the left end of the bottom of the rail W; a right pressing member 14 attached to the right bearer 12 and pressing the right end of the bottom of the rail W; a left wedge 53 arranged between the left bearer 11 and the rail W; and a right wedge 33 arranged between the right bearer 12 and the rail W. The left wedge 53 is positionally adjusted in the longer direction of the rail W, and an uneven surface J inclined with respect to the rail W is joined to an uneven surface K of the left bearer 11 which is arranged inclined with respect to the rail W. The right wedge 33 is positionally adjusted in the longer direction of the rail W, and an uneven surface P inclined with respect to the rail W is joined to an uneven surface Q of the right bearer 12 which is arranged inclined with respect to the rail W.SELECTED DRAWING: Figure 1

Description

The present invention relates to a rail fixing device that fixes a rail.

Rails used for trains, trucks and cranes need to be replaced when they become worn or damaged. Therefore, the rail fixing device adopts a design in which the fixed rail can be easily removed. For example, in Patent Document 1, a rail presser, which comes into contact with a rail placed on a ball receiving floor plate and restricts movement in the width direction of the rail and upward movement, is provided with a ball receiving member by a fastening member including a nut and a bolt. A rail fixing device fixed to a floorboard is described. The rail can be replaced by loosening the nut and removing the rail presser foot.

Depending on the site, as shown in FIG. 5, a pair of pedestals 103 and 103a are welded to the installation surface 102 of the rail 101 with a gap, and the pedestals 103 are attached to the pedestal 103 by nuts 104 and bolts 105. Rail fixing including a pressing member 106 that presses the left end of the bottom of the rail 101 from above, and a pressing member 106a that is attached to the pedestal 103a by a nut 104a and a bolt 105a and presses the right end of the bottom of the rail 101 from above. The device 100 is used. Since the distance between the pedestals 103 and 103a is longer than the width of the bottom portion of the rail 101, the position of the rail 101 between the pedestals 103 and 103a can be adjusted. The gap between the rail 101 and the pedestal 103 whose position has been adjusted and the gap between the rail 101 and the pedestal 103a are filled by inserting the adjusting plates 107, 108 and 109.

JP, 9-111701, A

However, if an adjustment plate is used to fill the gap between the pedestal and the rail, there is a problem that the rail position adjustment width is limited unless a large number of adjustment plates having different thicknesses are prepared in advance.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a rail fixing device that does not require many members to fill the space between the rail and the pedestal.

A rail fixing device according to the present invention that meets the above-mentioned object is a left pedestal and a right pedestal, which are fixed at left and right positions of a rail installation scheduled area with a gap from the rail installation scheduled area, respectively. To the right pedestal by means of a second fastening member attached to the right pedestal by means of a first fastening member to push the left end of the bottom of the rail from above. A rail fixing device for fixing the rail, wherein the right wedge member holds the right wedge member and the left wedge arranged between the left cradle and the rail, and the right wedge and the rail. A right wedge, and an uneven surface J is formed on the left wedge so as to be inclined with respect to the rail, and the left wedge is positionally adjusted in the longitudinal direction of the rail to form the uneven surface J. Is joined to an uneven surface K formed on the left pedestal and inclined with respect to the rail, and an uneven surface P inclined with respect to the rail is formed on the right wedge. The right wedge is positionally adjusted in the longitudinal direction of the rail, and the concavo-convex surface P is joined to the concavo-convex surface Q formed on the right pedestal and inclined with respect to the rail.

The rail fixing device according to the present invention includes a left wedge arranged between the left pedestal and the rail, and a right wedge arranged between the right pedestal and the rail, and the left wedge is inclined with respect to the rail. And the uneven surface J is formed, and the left wedge is positionally adjusted in the longitudinal direction of the rail, so that the uneven surface J is formed on the left pedestal and is arranged on the uneven surface K inclined with respect to the rail. An uneven surface P that is inclined and arranged with respect to the rail is formed on the right wedge, and the right wedge is aligned in the longitudinal direction of the rail so that the uneven surface P is formed on the right pedestal. Since it is joined to the uneven surface Q that is arranged to be inclined with respect to, the left wedge and the right wedge should be used only to fill the gap between the position-adjusted rail and the left pedestal and between the rail and the right pedestal, respectively. You can Therefore, many members are not required to fill between the rail and the left pedestal and between the rail and the right pedestal.

It is a top view of the rail fixing device concerning an embodiment of the invention. FIG. 2 is a cross-sectional view taken along the line A-A′ in FIG. 1. (A) and (B) are respectively the top view and side view of a right pedestal. (A) and (B) are respectively the top view and side view of a right presser member. It is explanatory drawing of the conventional rail fixing device.

Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention.
As shown in FIGS. 1 and 2, a rail fixing device 10 according to an embodiment of the present invention is fixed at left and right positions of a rail installation scheduled region R with a gap from the rail installation scheduled region R, respectively. The left pedestal 11 and the right pedestal 12, the left pressing member 13 attached to the left pedestal 11 and pressing the left end portion of the bottom portion W′ of the rail W from above, and the bottom portion of the rail W attached to the right pedestal 12. The rail W is fixed by having the right pressing member 14 that presses the right end portion of W′ from above. The details will be described below.

As shown in FIGS. 1 and 2, the rail W has an I-shaped cross section, and a plurality of rails fixed at intervals along the rail W with the bottom W′ in surface contact with the foundation G. It is fixed by the device 10. In the present embodiment, the foundation G is H-section steel, but the present invention is not limited to this.
The planned installation area of the rail W on the basic body G is defined as a planned installation area R of the rail, and the planned installation area R of the rail is long in the front-rear direction and has a width (length in the left-right direction) wider than the width of the rail W. The position of the rail W in the width direction can be adjusted within the rail installation scheduled region R, and after the installation position is determined, the rail W is fixed by the rail fixing device 10.

In the rail fixing device 10, the left pedestal 11 and the right pedestal 12 are fixed to the base body G at intervals in the left-right direction (welding in the present embodiment), and the left holding member 13 is the first fastening member 15. Is attached to the left pedestal 11 by contacting the left end of the bottom W′ of the rail W, and the right holding member 14 is attached to the right pedestal 12 by the second fastening member 16 and is attached to the bottom W′ of the rail W. The rail W is fixed by contacting the right end.

The left pedestal 11 and the right pedestal 12 have the same size and shape, and the left pedestal 11 is rotated by 180 degrees with respect to the right pedestal 12 about an imaginary vertical axis that is the axis of symmetry of the cross section of the rail W. It is fixed to the foundation body G by the arrangement. The left presser member 13 and the right presser member 14 have the same size and shape, and the left presser member 13 rotates 180 degrees with respect to the right presser member 14 attached to the right pedestal 12 about the above-described virtual vertical axis. It is attached to the left pedestal 11 in an arrangement.
Hereinafter, unless otherwise specified, the left pedestal 11 and the right pedestal 12 are assumed to be fixed to the foundation body G, and the left and right pressing members 13 and 14 are attached to the left and right pedestals 11 and 12, respectively. It is supposed to be.

As shown in FIGS. 3(A) and 3(B), the right pedestal 12 is provided with an uneven surface Q on the left side, and a notch 17 formed by notching the center in the front-rear direction from the right end to the left side is the uneven surface Q. Protruding portions 18 and 19 formed on the right side of the notch 17 are provided in front of and behind the notch 17 and extend upward in the front-back direction. As shown in FIG. 3(A), the notch 17 has a narrower width in the front-rear direction in the left half than in the right half, and the right pedestal 12 is provided in the front and rear parts of the left half of the notch 17 respectively in the base body G. It is provided with cover portions 20 and 21 for securing a space continuous with the notch 17 between the cover 20 and.

The uneven surface Q is arranged so as to be inclined with respect to the rail W installed in the rail installation scheduled region R as a whole. A large number of convex portions 22 are provided on the uneven surface Q at equal pitches along the longitudinal direction of the uneven surface Q. As shown in FIG. 3B, the convex portions 22 extend from the upper end to the lower end of the uneven surface Q, and the convex portions 22 are arranged in parallel.

As shown in FIGS. 1, 2, 4A, and 4B, the right pressing member 14 includes a central body piece 23 that is long in the left-right direction, and a flat plate portion 24 that projects to the right front of the central body piece 23. And a flat plate portion 25 projecting to the right rear of the central body piece 23. A through hole 26 that is long in the left-right direction is formed in the center of the center body piece 23 in the front-rear direction, and a protrusion T that is long in the front-rear direction and protrudes downward is provided on the left side of the center body piece 23. A hanging portion 27 is provided on the right side.

As shown in FIGS. 1 and 2, in the right pressing member 14, the flat plate portions 24 and 25 are placed on the projecting portions 18 and 19, respectively, and the hanging portion 27 is accommodated in the notch 17 in a plan view (the book). In the embodiment, the right pedestal 12 welded to the foundation G is placed on the upper side with the projection T being in contact with the right end portion of the bottom portion W′ of the rail W from above. Cover from.
A vertically arranged T-shaped bolt 28 is inserted through the through hole 26 of the right pressing member 14, and a flat washer is placed in order from the bottom in the area of the male screw portion located above the through hole 26 of the T-shaped bolt 28. 30, a spring washer 31 and a nut 32 are attached. The head of the T-shaped bolt 28 disposed on the lower side is inserted into the spaces on the lower sides of the covers 20 and 21, and is hooked on the right pedestal 12.

The right holding member 14 is fixed to the right pedestal 12 by a second fastening member 16 mainly composed of a T-shaped bolt 28, a flat washer 30, a spring washer 31 and a nut 32.
A trapezoidal right wedge 33 in plan view is inserted between the bottom W′ of the rail W and the right pedestal 12. In the right wedge 33, the uneven surface P joined to the uneven surface Q is arranged on the right side (the side far from the rail W), and the linear portion 34 is arranged on the left side (the side close to the rail W).

The uneven surface P is arranged so as to be inclined as a whole with respect to the rail W installed in the rail installation scheduled region R, and the linear portion 34 is arranged parallel to the rail W.
The uneven surface P is provided with a large number of convex portions 35 along the longitudinal direction of the uneven surface P at equal pitches (the same pitch as the arrangement pitch of the convex portions 22). The convex portions 35 extend from the upper end to the lower end of the uneven surface P, and the convex portions 35 are arranged in parallel.

In plan view, the uneven surface P is longer than the uneven surface Q, and the right wedge 33 is adjusted in position in the longitudinal direction of the rail W so that part of the uneven surface P bites the convex portions 22 and 35 over the entire uneven surface Q. Join together. The right wedge 33 in which the uneven surface P is joined to the uneven surface Q is fixed in a state of being hooked (locked) on the protrusion T of the right pressing member 14.
In the present embodiment, as the right wedge 33 is located on the rear side, the distance from the concavo-convex surface Q to the linear portion 34 becomes longer with the concavo-convex surface P joined to the concavo-convex surface Q. Therefore, by adjusting the position of the right wedge 33 in the longitudinal direction of the rail W, the linear portion 34 can be brought into the state in which it is closest to the rail W.

As shown in FIGS. 1 and 2, the left pedestal 11 is provided with an uneven surface K on the right side, and a notch 37 is formed by notching the center in the front-rear direction from the left end to the right side. Front and rear sides of 37 are respectively provided with projecting portions 38 and 39 that are long in the front-rear direction and project upward. The left pedestal 11 is provided with a cover portion 40 on the front side of the notch 37 that secures a space continuous with the notch 37 between the base body G, and a similar cover portion on the rear side of the notch 37. ing.
The uneven surface K is arranged so as to be inclined with respect to the rail W installed in the rail installation scheduled region R. A large number of convex portions 42 are provided on the uneven surface K at equal pitches along the longitudinal direction of the uneven surface K.

The left pressing member 13 has a central body piece 43, a flat plate portion 44 that projects to the left front of the central body piece 43, and a flat plate portion 45 that projects to the left rear of the central body piece 43. A through hole 46 that is long in the left-right direction is formed in the center of the center body piece 43 in the front-rear direction, and a protrusion S that is long in the front-rear direction and protrudes downward is provided on the right side of the center body piece 43. A hanging portion 47 is provided in the.

In the left pressing member 13, the flat plate portions 44 and 45 are placed on the projecting portions 38 and 39, the hanging portion 47 is accommodated in the notch 37 in plan view, and the protrusion S is on the left side of the bottom portion W′ of the rail W. The left pedestal 11 welded to the foundation G is covered from above with the end portion being in contact with it from above.
A vertically arranged T-shaped bolt 48 is inserted through the through hole 46 of the left pressing member 13, and a plain washer is placed in order from the bottom in the area of the male screw portion located above the through hole 46 of the T-shaped bolt 48. 50, a spring washer 51 and a nut 52 are attached. The T-shaped bolt 48 is inserted into the space below the cover portion 40 and the space below the cover portion provided on the rear side of the cover portion 40 so that the lower head portion is hung on the left pedestal 11. Can be stopped.

The left pressing member 13 is fixed to the left pedestal 11 by a first fastening member 15 mainly composed of a T-shaped bolt 48, a flat washer 50, a spring washer 51 and a nut 52.
A trapezoidal left wedge 53 in plan view is inserted between the bottom W′ of the rail W and the left pedestal 11. In the left wedge 53, the uneven surface J joined to the uneven surface K is arranged on the left side (the side far from the rail W), and the linear portion 54 is arranged on the right side (the side close to the rail W).

The uneven surface J is arranged so as to be inclined as a whole with respect to the rail W installed in the rail installation scheduled region R, and the linear portion 54 is arranged parallel to the rail W. The uneven surface J is provided with a large number of convex portions 55 at equal pitches (the same pitch as the arrangement pitch of the convex portions 42) along the longitudinal direction of the uneven surface J.
In plan view, the uneven surface J is longer than the uneven surface K, and the left wedge 53 is positionally adjusted in the longitudinal direction of the rail W so that a part of the uneven surface J bites the convex portions 42 and 55 over the entire uneven surface K. Join together.

The left wedge 53 in which the uneven surface J is joined to the uneven surface K is fixed in a state of being hooked (locked) on the protrusion S of the left pressing member 13.
In the present embodiment, as the left wedge 53 is located on the rear side, the distance from the concavo-convex surface K to the linear portion 54 becomes shorter with the concavo-convex surface J joined to the concavo-convex surface K. Therefore, by adjusting the position of the left wedge 53 in the longitudinal direction of the rail W, it is possible to bring the linear portion 54 into the state closest to the rail W.

Hereinafter, a procedure for fixing the rail W by the rail fixing device 10 will be described.
(1) The horizontal position of the rail W is adjusted within the rail installation scheduled region R, and the rail W is placed on the foundation G to which the right pedestal 12 and the left pedestal 11 are fixed.
(2) The right wedge 33 is inserted between the rail W and the right pedestal 12, the right wedge 33 is moved in the longitudinal direction of the rail W, and the straight portion 34 comes closest to or contacts the right side of the bottom W′ of the rail W. In this state, the concavo-convex surface P is joined to the concavo-convex surface Q, the left wedge 53 is inserted between the rail W and the left pedestal 11, and the left wedge 53 is moved in the longitudinal direction of the rail W to form a linear portion. The concavo-convex surface J is joined to the concavo-convex surface K in a state where 54 is closest to or in contact with the left side of the bottom W′ of the rail W.

(3) After the lower part of the T-shaped bolt 28 is locked to the right pedestal 12, the T-shaped bolt 28 is inserted into the through hole 26 of the right pressing member 14 and the right pressing member 14 is attached to the right pedestal 12. Put. After the lower portion of the T-shaped bolt 48 is locked to the left pedestal 11, the T-shaped bolt 48 is inserted into the through hole 46 of the left pressing member 13 and the left pressing member 13 is placed on the left pedestal 11. ..

(4) Adjust the left-right position of the right pressing member 14 so that the protrusion T is in contact with the right end of the bottom W′ of the rail W from above and is locked by the right wedge 33. The flat washer 30, the spring washer 31, and the nut 32 are attached, and the right pressing member 14 is fixed to the right pedestal 12. Then, the left and right positions of the left pressing member 13 are adjusted so that the protrusion S is in contact with the left end of the bottom W′ of the rail W from above and is locked by the left wedge 53, and is flat on the T-shaped bolt 48. The washer 50, the spring washer 51, and the nut 52 are attached, and the left pressing member 13 is fixed to the left pedestal 11. This completes the fixing of the rail W by the rail fixing device 10.

Further, the inclination angle of the uneven surface Q of the right pedestal 12 with respect to the planned rail installation area R and the inclination angle of the uneven surface K of the left pedestal 11 with respect to the planned rail installation area R are equal, and the inclination of the uneven surface P of the right wedge 33 is equal. Since the angle (the inclination angle with respect to the straight line portion 34) and the inclination angle of the uneven surface J of the left wedge 53 (the inclination angle with respect to the straight line portion 54) are the same, the right wedge 33 and the left wedge 53 are replaced, and the right wedge 33 is replaced by the left pedestal 11. And the rail W, and the left wedge 53 may be arranged between the right pedestal 12 and the rail W to fix the rail W.
In the present embodiment, the width of the right wedge 33 (distance between the straight line portion 34 and the uneven surface P) and the width of the left wedge 53 (distance between the straight line portion 54 and the uneven surface J) are different, and specifically, the right wedge 33 Is wider than the width of the left wedge 53. Therefore, by exchanging the left wedge 53 and the right wedge 33, the rail W can be fixed at the right side position.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all modifications and the like of the conditions without departing from the gist are within the scope of application of the present invention.
For example, the right holding member may be designed so that a portion different from the protrusion that comes into contact with the lower right side of the rail from above is locked by the right wedge, and this point is the same for the left holding member.
Further, a right wedge in which the convex portions are not provided on the uneven surface P at equal pitches may be adopted, or a right pedestal in which the convex portions are not provided on the uneven surface Q at equal pitches may be adopted. A left wedge in which the convex portions are not provided on the uneven surface J at equal pitches may be adopted, or a left pedestal in which the convex portions are not provided on the uneven surface K at equal pitches may be adopted.

The width of the left wedge and the width of the right wedge may be equal.
The first and second fastening members do not have to have T-shaped bolts respectively, and for example, hexagonal bolts may be used instead of T-shaped bolts.
The left cradle and the right cradle may have different shapes and sizes, and the left and right pressing members may have different shapes and sizes.

10: rail fixing device, 11: left pedestal, 12: right pedestal, 13: left pressing member, 14: right pressing member, 15: first fastening member, 16: second fastening member, 17: notch , 18, 19: protruding part, 20, 21: cover part, 22: convex part, 23: central body piece, 24, 25: flat plate part, 26: through hole, 27: hanging part, 28: T-shaped bolt, 30 : Plain washer, 31: Spring washer, 32: Nut, 33: Right wedge, 34: Straight part, 35: Convex part, 37: Notch, 38, 39: Protruding part, 40: Cover part, 42: Convex part, 43: central body piece, 44, 45: flat plate portion, 46: through hole, 47: hanging portion, 48: T type bolt, 50: flat washer, 51: spring washer, 52: nut, 53: left wedge, 54: Straight part, 55: convex part, G: basic body, J, K, P, Q: uneven surface, R: planned rail installation area, S, T: protrusion, W: rail, W'bottom part

Claims (4)

A left pedestal and a right pedestal, which are respectively fixed to the left and right positions of the rail installation planned area with a gap from the rail installation planned area, and a bottom portion of the rail attached to the left pedestal by a first fastening member. A left pressing member that presses the left end of the rail from above and a right pressing member that is attached to the right pedestal by a second fastening member and presses the right end of the bottom of the rail from above. In the rail fixing device for fixing
A left wedge arranged between the left pedestal and the rail, and a right wedge arranged between the right pedestal and the rail,
An uneven surface J is formed on the left wedge so as to be inclined with respect to the rail, and the left wedge is positionally adjusted in the longitudinal direction of the rail so that the uneven surface J is formed on the left pedestal. Joined to the uneven surface K formed and inclined with respect to the rail,
The right wedge is formed with an uneven surface P inclined with respect to the rail, and the right wedge is positionally adjusted in the longitudinal direction of the rail so that the uneven surface P is formed on the right pedestal. A rail fixing device, characterized in that the rail fixing device is joined to an uneven surface Q that is formed and is inclined with respect to the rail. The rail fixing device according to claim 1, wherein the left pressing member is provided so as to project downward and is locked to the left wedge while being in contact with the left end of the bottom of the rail from above. The right pressing member is provided so as to project downward, and has a protrusion T that is locked to the right wedge while being in contact with the right end of the bottom of the rail from above. Rail fixing device. The rail fixing device according to claim 1 or 2, wherein the uneven surfaces J, K, P, and Q are provided with convex portions at equal pitches. The rail fixing device according to any one of claims 1 to 3, wherein the left cradle and the right cradle have the same size and shape, and the left holding member and the right holding member have the same size and shape. A rail fixing device having the same shape.

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