JP2007255034A - Bridge sleeper rail fastening device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bridge sleeper rail fastening device capable of easily making longitudinal level and line adjustment on a bridge. <P>SOLUTION: The bridge sleeper rail fastening device for fastening both sides of a rail arranged above a bridge sleeper, through plate springs, comprises a stud bolt 1 implanted in the bridge sleeper A, a tie plate 8 laid on the bridge sleeper A and having a stud bolt hole penetrated by the stud bolt 1, and an adjusting washer 6 having a stud bolt hole penetrated by the stud bolt 1 mounted into the stud bolt hole, and fastens the adjusting washer 6 by screwing a nut to the stud bolt 1 through a spring washer 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a bridge sleeper rail fastening device capable of adjusting the position of a rail in the left-right direction.

  The rail fastening device used in the bridge sleeper section of the conventional line needs to replace the screw nails when correcting the track error, so many unnecessary screw holes remain in the bridge sleeper, This is a cause of deterioration of bridge sleepers.

Therefore, as shown in FIGS. 21 and 22, conventionally, as a sleeper fastening device in such a field, a tie plate 101, an underlay pad 102, a screw nail 103, a stud bolt 104, an oblique side 105b, and a long length are used. It has a hole 105a and the like, and the position of the bridge sleeper T in the longitudinal direction can be appropriately adjusted according to the position of the tie plate 101, and the lateral pressure transmitted from the rail R through the tie plate 101 is transmitted to the stud bolt 104. A lateral pressure receiving member 106 to be supported is provided.
Japanese Patent Laid-Open No. 2003-74002

  However, in the conventional sleeper fastening device shown in FIG. 21 and FIG. 22 described above, it is necessary to dispose the lateral pressure receiving member 106 that transmits and supports the lateral pressure to the stud bolt 104 separately from the tie plate 101. As the number of members increases, the construction thereof becomes complicated, and there is a problem that it is difficult to adjust the right and left of the rail due to the influence of the bridge guard and the hook bolt.

  An object of the present invention is to provide a bridge sleeper rail fastening device that can be easily adjusted in height and on a bridge in light of the actual positional relationship between a conventional bridge girder and a bridge sleeper.

In order to achieve the above object, the present invention provides
[1] In a bridge sleeper rail fastening device in which a rail is disposed above a bridge sleeper and both sides of the rail are fastened via leaf springs, stud bolts implanted in the bridge sleeper, and the bridge sleeper And a tie plate having a stud bolt hole penetrating the stud bolt, an adjustment washer having a stud bolt hole penetrating the stud bolt attached to the stud bolt hole, and a spring washer. The nut is screwed onto the stud bolt to fasten the adjustment washer.

  [2] In the bridge sleeper rail fastening device according to the above [1], the adjustment washer has a major axis in the left-right direction and a minor axis in the front-rear direction.

  [3] The bridge sleeper rail fastening device according to the above [2], wherein the adjustment washer has a substantially elliptical shape.

  [4] In the bridge sleeper rail fastening device according to the above [2], when the rail is adjusted, a stud bolt hole that penetrates the stud bolt having an eccentric amount in the direction of the long axis according to the adjustment amount It is characterized in that it can be replaced with one formed.

  [5] In the bridge sleeper rail fastening device according to any one of [1] to [4], when the height of the rail is adjusted, the amount of adjustment in the height direction corresponding to the amount of adjustment is increased below the tie plate. It is characterized by laying packing for use.

  [6] The bridge sleeper rail fastening device according to the above [5], wherein the tie plate lower packing is a steel plate or a highly rigid member.

  [7] The bridge sleeper rail fastening device according to any one of [1] to [6], wherein a track pad lower adjustment packing is laid under the track pad.

  [8] The bridge sleeper rail fastening device according to [7], wherein the tie plate lower packing upper packing and the track pad lower adjustment packing are laid.

  [9] In a bridge sleeper rail fastening device in which a rail is arranged above a bridge sleeper and fastens both sides of the rail via leaf springs, stud bolts that are planted in the bridge sleeper, and the bridge sleeper A tie plate having a stud bolt hole that is laid on the stud bolt and having a part that passes through the stud bolt, a grooved seating surface around the stud bolt hole, the stud bolt hole, and the type A grooved washer corresponding to the grooved seating surface of the rate and a nut is screwed onto the stud bolt via a spring washer to fasten the grooved washer.

  [10] In the bridge sleeper fastening device according to [9], when adjusting the rail, the grooved washer moves corresponding to the grooved seating surface in the left-right direction of the rail corresponding to the adjustment amount. It is characterized by enabling.

  [11] The bridge sleeper rail fastening device according to the above [9] or [10], wherein a tie plate lowering packing disposed under the tie plate and a lifting washer are used in combination.

  [12] The bridge sleeper rail fastening device according to [11], wherein the tie plate lower packing is a steel plate or a highly rigid member.

  [13] In the bridge sleeper rail fastening device according to any one of [9] to [12], a track pad lower adjustment packing is laid under the track pad.

  [14] The bridge sleeper rail fastening device according to [13], wherein the tie plate lower packing upper packing and the track pad lower adjustment packing are laid.

  According to the present invention, when adjusting the track displacement, since it is not necessary to replace the stud bolt, unnecessary bolt holes are not left in the bridge sleeper, and deterioration of the bridge sleeper can be suppressed. In addition, workability and safety are greatly improved during track displacement maintenance, and maintenance costs can be greatly reduced.

  The bridge sleeper rail fastening device of the present invention is a bridge sleeper rail fastening device in which a rail is disposed above a bridge sleeper and the rails are fastened to both sides of the rail via leaf springs. A stud bolt, a tie plate laid on the bridge sleeper and having a stud bolt hole penetrating the stud bolt, and a stud bolt penetrating the stud bolt fitted in the stud bolt hole An adjustment washer having a hole and a nut is screwed onto the stud bolt via a spring washer to fasten the adjustment washer.

  Hereinafter, embodiments of the present invention will be described in detail.

  First, the bridge sleeper rail fastening device before the rail adjustment or the rail height adjustment will be described.

  1 is a cross-sectional view of a bridge sleeper rail fastening device showing a first embodiment of the present invention, FIG. 2 is a plan view of the bridge sleeper rail fastening device, and FIG. 3 is a stud bolt of the bridge sleeper rail fastening device. 3 (a) is a top view thereof, FIG. 3 (b) is a side view thereof, FIG. 4 is a view showing a nut of the stud bolt, and FIG. 4 (a) is a top view thereof, FIG. 4 (b) is a side view thereof, FIG. 5 is a view showing an adjustment washer of the bridge sleeper rail fastening device, FIG. 5 (a) is a top view thereof, FIG. 5 (b) is a side view thereof, and FIG. FIG. 6 is a view showing a tie plate of the bridge sleeper rail fastening device, FIG. 6A is a top view thereof, FIG. 6B is a front view thereof, and FIG. 7 is a tie plate of the bridge sleeper rail fastening device. FIG. 7A is a top view thereof, FIG. 7B is a side view thereof, and FIG. It is a diagram showing the trajectory pad sleepers rail fastening apparatus, FIG. 8 (a) a top view thereof, FIG. 8 (b) is a side view thereof.

  Next, the bridge sleeper rail fastening device for adjusting the rail or adjusting the height of the rail will be described.

  9 is a cross-sectional view of a bridge sleeper rail fastening device after adjusting the rail according to the first embodiment of the present invention and adjusting the rail height, FIG. 10 is a plan view of the bridge sleeper rail fastening device, and FIG. FIG. 12 is a view showing an upper tie plate packing of the bridge sleeper rail fastening device, FIG. 12 (a) is a top view thereof, FIG. (B) is a side view thereof, FIG. 13 is a view showing a track pad lower adjustment packing of the bridge sleeper rail fastening device, FIG. 13 (a) is a top view thereof, and FIG. 13 (b) is a side view thereof. is there.

  In these drawings, A is a bridge sleeper, 1 is a stud bolt, and this stud bolt 1 is formed with a screw-type spiral portion 1a, a flange portion 1b, and a male screw portion 1c into which a nut 2 described later is screwed. Has been. 2 is a stud bolt nut, 3 is a spring washer, 4 is a plain washer, 5 is a fastening bolt / nut, 6 is an adjustment washer, and this adjustment washer 6 is long in the left-right direction of the rail as shown in FIG. The shaft a has a substantially elliptical shape with a minor axis b in the rail direction, and a stud bolt hole 6a is formed. As shown in FIG. 11, the adjustment washer 6 is prepared with a stud bolt hole 6a formed at a position eccentric from the center position. That is, the adjustment washers 6 having different eccentric amounts of the stud bolt holes 6a of 1, 3, 5, 7, 9, and 11 mm are prepared. 7 is a leaf spring, and 8 is a tie plate. The tie plate 8 has a stud bolt 1 inserted therethrough, and a hole 8a having a substantially elliptical shape in which an adjustment washer 6 is mounted and a fastening bolt are positioned, and the rail 13 is fixed. It has a stud 8b for retaining, a locking projection 8c for the leaf spring 7, and the like. Reference numeral 9 denotes a tie plate pad. The tie plate pad 9 has a substantially elliptical hole 9a (the same shape as the hole 8a) through which the stud bolt 1 passes. 10 is a track pad, 11 is a tie plate lower upper packing, and the tie plate lower upper packing 11 has a stud bolt hole 11a into which a stud bolt 1 partially opened can be attached. . Reference numeral 12 denotes a track pad lower adjustment packing, and 13 a rail.

  Thus, the tie plate 8 is disposed on the tie plate 8 on the bridge sleeper A, and the rail 13 is disposed on the tie plate 8 via the track pad 10 on the track. Further, on the bridge sleeper A, a tie plate 9 through which the stud bolt 1 penetrates, a tie plate 8 and an adjusting washer 6 are arranged, and the nut 2 is screwed onto the stud bolt 1 via the spring washer 3. The tie plate 8 to which the rail 13 is fixed is fastened.

  Therefore, when adjusting the rail 13 (in the left-right direction), as shown in FIG. 11, an adjustment washer 6 in which the stud bolt hole 6a is eccentric according to the adjustment amount of the street is used. By adjusting the adjustment washer 6 according to the movement amount of the rate 8 by reversing or replacing it with an adjustment washer having a different eccentric position, it is possible to easily adjust up to ± 11 mm in the left-right direction.

  Next, when adjusting the height of the rail 13, as shown in FIG. 9, by using the track pad lower adjustment packing 12 (up to 10 mm) and the tie plate lower packing up packing 11 (up to 10 mm), Allows adjustment of 0-20 mm in the vertical direction.

  In the above-described embodiment, the adjustment washer 6 is shown as a substantially oval shape having the major axis a in the left-right direction of the rail and the minor axis b in the rail direction. As long as it has a short axis b, it may be a rectangle or the like. Further, the tie plate lower packing 11 may be a steel plate or a highly rigid member. Further, the thickness difference of the track pad may be adjusted by sandwiching the track pad lower adjustment packing 12 in the track pad initially arranged.

  As described above, according to the present invention, the structure is such that the fastening force between the bridge sleeper A and the tie plate 8 does not depend on the pull-out strength of the stud bolt 1.

  In addition, when adjusting the track deviation, it is not necessary to replace the stud bolt 1, so that unnecessary bolt holes do not remain in the bridge sleeper A, and deterioration of the bridge sleeper A can be suppressed.

  Moreover, since the stud bolt 1 can be driven in after installing the tie plate 8, construction is easy.

  In this way, workability and safety are greatly improved during track displacement maintenance, and maintenance costs can be greatly reduced.

  14 is a cross-sectional view of a bridge sleeper rail fastening device (before adjustment) showing a second embodiment of the present invention, FIG. 15 is a plan view of the bridge sleeper rail fastening device, and FIG. 16 is the bridge sleeper rail fastening device. FIG. 17 is a cross-sectional view (after adjustment) showing a state where the steel plate is lifted by 20 mm, FIG. 17 is a view showing a washer for the bridge of the bridge sleeper rail fastening device, FIG. 17 (a) is a top view, and FIG. 17 (b). Is a sectional view, FIG. 18 is a view showing a grooved washer of the bridge sleeper rail fastening device, FIG. 18 (a) is a top view thereof, FIG. 18 (b) is a front view thereof, and FIG. The side view, FIG. 19 is a view showing the tie plate of the bridge sleeper rail fastening device, FIG. 19 (a) is its top view, FIG. 19 (b) is its front view, and FIG. 20 is its bridge sleeper. It is a figure which shows the packing for a tie plate lower arm upper of a rail fastening apparatus, Fig.20 (a) is FIG. Top view of FIG. 20 (b) is a side view thereof. The stud bolt, its nut, and the track pad are the same as those shown in the first embodiment.

  In these drawings, A is a bridge sleeper, 21 is a stud bolt, 22 is a stud bolt nut, 23 is a spring washer, 24 is a top washer, 25 is a plain washer, 26 is a fastening bolt / nut, 27 is As shown in FIG. 18, the grooved washer 27 has a stud bolt hole 27a and a groove 27b formed on the back surface thereof. Reference numeral 28 denotes a leaf spring, and 29 denotes a tie plate. As shown in FIG. 19, the tie plate 29 has a stud bolt hole 29a in which a part is opened and a stud bolt can be attached, and a groove around the hole 29a. A seating surface 29b is formed. 30 is a track pad laid under the rail 33, 31 is a tie plate lower packing, and a stud bolt hole 31a into which a stud bolt 21 can be attached is formed. Reference numeral 32 denotes a track pad lower adjustment packing, and 33 denotes a rail.

  Thus, the rail 33 is arranged on the track on the tie plate 29 on the bridge sleeper A via the track pad 30. A tie plate 29 through which the stud bolt 21 penetrates and a grooved washer 27 are arranged on the bridge sleeper A, and the rail 33 is fixed by screwing the nut 22 to the stud bolt 21 via the spring washer 23. The tie plate 29 is fastened.

In this example,
(1) The structure is such that the fastening force between the bridge sleeper A and the tie plate 29 does not depend on the pull-out strength of the stud bolt 21.

  (2) Using the stud bolt 21 and the grooved washer 27, the structure can be easily adjusted to the left and right and the height.

  (3) The tie plate 29 has a shape and dimensions that do not hinder the bridge guard and hook bolt positions.

  Thus, the bridge sleeper rail fastening device of this embodiment has the following advantages.

  (1) Since it is not necessary to replace the stud bolt 21 when adjusting the track displacement, unnecessary bolt holes are not left in the bridge sleeper A, and deterioration of the bridge sleeper can be suppressed.

  (2) By using the grooved washer 27 against the grooved seating surface 29b of the tie plate 29 and accurately moving the tie plate 29 according to the amount of movement, it is possible to adjust up to ± 15mm in the left-right direction. It is. Further, the grooved washer 27 can prevent the tie plate 29 from slipping due to the lateral pressure acting on the rail 33.

  (3) Adjustment of 0 to 20 mm in the vertical direction is possible by using the track pad lower adjustment pad 32 (maximum 10 mm) and the tie plate lower upper packing 31 (maximum 10 mm).

  (4) When maintaining track displacement, workability and safety are greatly improved, and maintenance costs can be greatly reduced.

  In addition, this invention is not limited to the said Example, Based on the meaning of this invention, a various deformation | transformation is possible and these are not excluded from the scope of the present invention.

  The bridge sleeper rail fastening device of the present invention can be used as a bridge sleeper adjustment type rail fastening device that can greatly improve workability and safety and can greatly reduce maintenance costs.

It is sectional drawing of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is a top view of the bridge sleeper rail fastening device which shows the 1st example of the present invention. It is a figure which shows the stud bolt of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is a figure which shows the nut of the stud bolt which shows 1st Example of this invention. It is a figure which shows the adjustment washer of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is a figure which shows the tie plate of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is a figure which shows the tie plate of the bridge sleeper rail fastening device which shows 1st Example of this invention. It is a figure which shows the track pad of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is sectional drawing of the bridge sleeper rail fastening apparatus after the rail adjustment and the height adjustment of a rail which show 1st Example of this invention. It is a top view (after adjustment) of the bridge sleeper rail fastening device which shows the 1st example of the present invention. It is explanatory drawing (after adjustment) of the adjustment washer of the bridge sleeper rail fastening device which shows 1st Example of this invention. It is a figure which shows the packing for the tie plate lower heel of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is a figure which shows the track pad lower adjustment packing of the bridge sleeper rail fastening apparatus which shows 1st Example of this invention. It is sectional drawing of the bridge sleeper rail fastening apparatus (before adjustment) which shows 2nd Example of this invention. It is a top view of the bridge sleeper rail fastening device which shows 2nd Example of this invention. It is sectional drawing (after adjustment) which shows the state which raised the bridge sleeper rail fastening apparatus which shows 2nd Example of this invention by 20 mm. It is a figure which shows the top washer of the bridge sleeper rail fastening apparatus which shows 2nd Example of this invention. It is a figure which shows the grooved washer of the bridge sleeper rail fastening apparatus which shows 2nd Example of this invention. It is a figure which shows the tie plate of the bridge sleeper rail fastening apparatus which shows 2nd Example of this invention. It is a figure which shows the packing for a tie plate lower heel of the bridge sleeper rail fastening apparatus which shows 2nd Example of this invention. It is a top view which shows the conventional bridge sleeper rail fastening apparatus. It is sectional drawing which shows the conventional bridge sleeper rail fastening apparatus.

Explanation of symbols

A Bridge sleeper 1,21 Stud bolt 1a Screw-type spiral 1b Spear 1c Male screw 2,22 Stud bolt nut 3,23 Spring washer 4,25 Plain washer 5,26 Fastening bolt / nut 6 Adjustment washer a Adjusting washer long shaft b Adjusting washer short shaft 6a, 27a Stud bolt hole 7, 28 Plate spring 8, 29 Tie plate 8a, 9a Roughly elliptical hole 8b Stud 8c for holding rail 9 Tie plate pad 10 Track pad 11, 31 Packing for lower heel of tie plate 11a Stud bolt hole partly opened 12, 32 Packing for adjusting pad under track pad 13, 33 Rail 24 Washer for upper arm 27 Grooved washer 27b Groove 29a , 31a Stud bolt hole partially opened 29b Grooved seating surface 30 Rail laid under the rail Pad

Claims (14)

In the bridge sleeper rail fastening device in which a rail is disposed above the bridge sleeper and both sides of the rail are fastened via leaf springs,
(A) a stud bolt to be planted in a bridge sleeper;
(B) a tie plate laid on the bridge sleeper and having a stud bolt hole penetrating the stud bolt;
(C) an adjustment washer having a stud bolt hole penetrating the stud bolt mounted in the stud bolt hole;
(D) A bridge sleeper rail fastening device, wherein a nut is screwed onto the stud bolt via a spring washer to fasten the adjustment washer.   2. The bridge sleeper rail fastening device according to claim 1, wherein the adjustment washer has a major axis in the left-right direction of the rail and a minor axis in the front-rear direction.   3. The bridge sleeper rail fastening device according to claim 2, wherein the adjustment washer has a substantially elliptical shape.   3. The bridge sleeper rail fastening device according to claim 2, wherein a stud bolt hole penetrating the stud bolt having an eccentric amount in the direction of the long axis according to the adjustment amount is formed during rail adjustment. A bridge sleeper rail fastening device characterized in that it can be exchanged for existing ones.   The bridge sleeper rail fastening device according to any one of claims 1 to 4, wherein when the rail is adjusted in height, the tie plate lower packing on the tie plate having an adjustment amount in the height direction corresponding to the adjustment amount is laid. Bridge sleeper rail fastening device.   6. The bridge sleeper rail fastening device according to claim 5, wherein the tie plate lower packing is a steel plate or a highly rigid member.   The bridge sleeper rail fastening device according to any one of claims 1 to 6, wherein a track pad lower adjustment packing is laid at a lower portion of the track pad.   The bridge sleeper rail fastening device according to claim 7, wherein the tie plate lower packing upper packing and the track pad lower adjustment packing are laid. In the bridge sleeper rail fastening device in which a rail is arranged above the bridge sleeper and fastens both sides of the rail via leaf springs,
(A) a stud bolt to be planted in a bridge sleeper;
(B) a stud bolt hole laid on the bridge sleeper and partially opened through the stud bolt, and a tie plate having a grooved seating surface around the stud bolt hole;
(C) having a stud bolt hole and a grooved washer corresponding to the grooved seating surface of the tie plate;
(D) A bridge sleeper rail fastening device, wherein a nut is screwed onto the stud bolt via a spring washer to fasten the grooved washer.   The bridge sleeper rail fastening device according to claim 9, wherein the grooved washer is movable in correspondence with the grooved seating surface in the left-right direction of the rail in accordance with the adjustment amount when the rail is adjusted. Bridge sleeper rail fastening device.   11. The bridge sleeper rail fastening device according to claim 9 or 10, wherein a tie plate lowering packing disposed under the tie plate and a roof washer are used in combination.   The bridge sleeper rail fastening device according to claim 11, wherein the tie plate lower packing is a steel plate or a highly rigid member.   The bridge sleeper rail fastening device according to any one of claims 9 to 12, wherein a track pad lower adjustment packing is laid at a lower portion of the track pad.   14. The bridge sleeper rail fastening device according to claim 13, wherein the tie plate lower packing upper packing and the track pad lower adjustment packing are laid.

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