JP5128192B2 - Rail positioning device, tie plate used therefor, and gauge adjustment piece - Google Patents

Description

  The present invention relates to a rail positioning device used when a rail is fixed to a sleeper, a tie plate used therefor, and a gauge adjusting piece.

Conventionally, as a rail positioning device, Patent Document 1 proposes a type using a screw nail. This apparatus will be described with reference to FIGS. 20 and 21A and 21B. A pair of left and right tie plates 12 (only one is shown) are placed on the sleeper 11 and fixed by a plurality of screw nails 32. In addition, a rail 15 is supported on the tie plate 12. As shown in FIG. 21A, the tie plate 12 is formed with an adjustment hole 28 that penetrates the screw nail 32 loosely, and an accommodation recess 50 is formed above the adjustment hole 28. A gauge adjusting piece 51 is inserted into the housing recess 50, and a body portion 34 of the screw nail 32 is passed through an insertion hole 52 formed in the gauge adjusting piece 51. A plurality of types of gauge adjusting pieces 51 having different eccentric amounts at the center position of the insertion hole 52 are prepared, and the gauge adjusting piece 51 shown in FIG. 21A is eccentric to the insertion hole 52 shown in FIG. It is exchanged for a gauge adjusting piece 51 of a different amount. As a result, the position of the tie plate 12 in the gauge direction is changed, the rail 15 is moved in a direction intersecting the track direction, and the interval between the rails 15, that is, the gauge is adjusted.
JP 2003-328303 A

  In the rail positioning device of Patent Document 1, since it is necessary to prepare a plurality of types of gauge adjusting pieces 51 having different eccentric amounts of the insertion holes 52, the number of gauge adjusting pieces 51 cannot be reduced. There is a problem that manufacture of the adjustment piece 51 and management of inventory are troublesome.

  Further, since the gauge adjusting piece 51 is fitted so as to be entirely immersed in the receiving recess 50 of the tie plate 12 as shown in FIGS. There is also a problem that the removal work of the adjustment piece 51 is troublesome.

  The object of the present invention is to solve the above-mentioned conventional problems, to reduce the number of gauge adjusting pieces, to easily manufacture the gauge adjusting pieces and to manage inventory, and to It is an object of the present invention to provide a rail positioning device capable of easily removing and attaching a gauge adjusting piece, a tie plate used therefor, and a gauge adjusting piece.

In order to solve the above-described problems, the invention according to claim 1 is supported by a pair of left and right fixing members fixed to a predetermined position of the sleeper in a gauge direction, and an upper surface of the sleeper. a tie trunk portion of the fixed member is provided with a pair of left and right adjusting hole for gauge adjustment that will be through a first gauge adjustment ridges or first gauge adjusting groove provided on the upper surface of the tie plate, the fixed A gauge adjusting piece for adjusting the gauge having an insertion hole for inserting the trunk portion of the member, and provided on the lower surface of the gauge adjusting piece, and is engaged with the first gauge adjusting ridge or the first gauge adjusting groove. The second gauge adjusting groove or the second gauge adjusting protrusion, and the third gauge adjusting groove provided on the upper surface of the gauge adjusting piece and engaged with the first gauge adjusting protrusion or the first gauge adjusting groove, or third and gauge adjustment protrusion, the upper end of the body portion of the previous SL fixing member Provided, and a said gauge adjusting piece and the fastening portion for fastening the tie to sleepers, the center of the second gauge adjusting groove or the second gauge adjusting protrusions, third gauge adjusting groove or the The center of the three-gauge adjusting ridge is displaced by a predetermined displacement amount with respect to the gauge direction .

  The invention according to claim 2 is the invention according to claim 1, wherein the first gauge adjusting protrusion on the tie plate side, the second gauge adjusting groove on the gauge adjusting piece side, and the third gauge adjusting groove are parallel to each other. The gist is that it is provided.

  According to a third aspect of the present invention, in the second aspect, a plurality of fourth gauge adjustment grooves are provided in parallel on the lower surface of the gauge adjustment piece so as to be orthogonal to the second gauge adjustment groove, and the gauge adjustment is performed. A plurality of fifth gauge adjustment grooves are provided in parallel on the upper surface of the top so as to be orthogonal to the third gauge adjustment groove, and the center of the fourth gauge adjustment groove and the center of the fifth gauge adjustment groove are The gist is that the direction is displaced by a predetermined displacement amount different from the predetermined displacement amount.

  The invention according to claim 4 is the cross section of the first gauge adjustment ridge on the tie plate side, the second gauge adjustment groove on the gauge adjustment piece side, and the third gauge adjustment groove in the first or second aspect, The gist is that each is formed in a tapered shape.

  According to a fifth aspect of the present invention, in any one of the second to fourth aspects, the plurality of first gauge adjustment protrusions provided on the upper surface of the tie plate are formed at predetermined positions of the tie plate. The gist is that it is formed on an adjustment piece to be engaged with the engaged recess.

The invention of claim 6 includes a pair of fixing members are fixed spaced a predetermined position of the sleepers in the gauge direction, while being supported on the upper surface of the sleeper, the body portion of each fixing member Ru is penetrated A tie plate having a pair of left and right adjustment holes for adjusting the gauge, a first gauge adjusting ridge or first gauge adjusting groove provided on the upper surface of the tie plate, and a body part of the fixing member A gauge adjusting piece for adjusting the gauge having an insertion hole, and a second gauge adjusting groove or a second gauge provided on the lower surface of the gauge adjusting piece and engaged with the first gauge adjusting protrusion or the first gauge adjusting groove. and gauge adjustment protrusion, provided at the upper end of the body portion of the previous SL fixing member, and a fastening portion for fastening the gauge adjusting piece and the tie to sleepers, which is formed on the rail gauge adjusting piece The center of the insertion hole and the second gauge adjustment The center of the groove or the second gauge adjustment ridges are displaced by a predetermined displacement amount with respect to gauge direction.

The invention of claim 7 includes a pair of fixing members are fixed spaced a predetermined position of the sleepers in the gauge direction, while being supported on the upper surface of the sleeper, the body portion of each fixing member Ru is penetrated A tie plate having a pair of left and right adjustment holes for adjusting the gauge, a first gauge adjusting ridge or first gauge adjusting groove provided on the upper surface of the tie plate, and a body part of the fixing member A gauge adjusting piece for adjusting the gauge having an insertion hole, and a second gauge adjusting groove or a second gauge provided on the lower surface of the gauge adjusting piece and engaged with the first gauge adjusting protrusion or the first gauge adjusting groove. and gauge adjustment protrusion, provided at the upper end of the body portion of the previous SL fixing member, and a fastening portion for fastening the gauge adjusting piece and the tie to sleepers, the first gauge adjustment ridges or The first gauge adjusting groove is the tie plate. It is formed on the upper surface of the adjustment piece that is engaged with the engagement recess formed on the upper surface, and the center of the adjustment piece in the gauge direction and the center of the first gauge adjustment groove or the first gauge adjustment protrusion In the gauge direction, it is displaced by a predetermined displacement amount .

  The invention according to claim 8 is the projection or protrusion which prevents the adjustment piece from moving in the gauge direction on the upper surface of the end part in the gauge direction of the tie plate according to any one of claims 1 to 7. The gist is that is provided.

  A ninth aspect of the present invention is the nut according to any one of the first to eighth aspects, wherein the fastening portion is a nut that is removably screwed to a screw portion formed at an upper end portion of the body portion of the fixing member. The gist of the present invention is that the diameter of the thread portion is equal to or less than the diameter of the body portion.

The gist of the invention described in claim 10 is a tie plate used in the rail positioning device according to any one of claims 1 to 9.
The invention of claim 11 is directed to subject matter the gauge adjustment piece used in the rail positioning device according to any one of claims 1-9.

(Function)
The invention according to any one of claims 1 to 5, wherein the tie plate is supported on the upper surface of the sleeper tree, is passed through the tie plate adjusting hole, and the insertion hole of the gauge adjusting piece is fixed to the sleeper tree. The second gauge adjustment groove or the second gauge adjustment ridge provided on the lower surface of the gauge adjustment piece is fitted to the first gauge adjustment protrusion or the first gauge adjustment groove provided in the tie plate and fitted to the body portion of the member. Engage. Further, the gauge adjusting piece is turned upside down, and the third gauge adjusting groove or the third gauge adjustment provided on the upper surface of the adjusting piece is related to the first gauge adjusting ridge or the first gauge adjusting groove provided on the tie plate. Match. At this time, since the center of the second gauge adjusting groove or the second gauge adjusting ridge and the center of the third gauge adjusting groove or the third gauge adjusting ridge are displaced by a predetermined displacement amount in the gauge direction, one gauge The position of the tie plate in the gauge direction is adjusted by the adjustment piece, and the rail gauge is adjusted.

  The invention according to any one of claims 1 to 5 is the second gauge adjustment provided on the lower surface of the gauge adjusting piece with respect to the first gauge adjusting protrusion or the first gauge adjusting groove provided on the upper surface of the tie plate. Since the groove or the second gauge adjusting protrusion is engaged, the gauge adjusting piece is assembled above the tie plate, and the gauge adjusting piece can be easily attached to and detached from the tie plate.

  The invention according to claim 6 is provided on the upper surface of the tie plate by reversing the gauge adjusting piece 180 degrees in the horizontal direction around the body portion of each fixing member in a state where the fastening portion is released. The engagement position relationship between the first gauge adjusting ridge or the first gauge adjusting groove and the second gauge adjusting groove or the second gauge adjusting ridge provided on the lower surface of the gauge adjusting piece is changed by the displacement amount, The position of the tie plate in the gauge direction is adjusted, and the gauge of the rail is adjusted.

  In the seventh aspect of the invention, the gauge adjusting piece is spaced upward from the engaging recess formed in the tie plate in the state in which the fastening portion is released, and the gauge adjusting piece is separated upward. The first gauge adjustment ridge or first gauge adjustment groove provided on the upper surface of the adjustment piece by reversing 180 degrees horizontally, and the second gauge adjustment groove provided on the lower surface of the gauge adjustment piece located in the upper part Alternatively, the engagement positional relationship with the second gauge adjusting ridge is changed by the displacement amount, the position of the tie plate in the gauge direction is adjusted, and the rail gauge is adjusted.

  In this invention, since the rail gauge is adjusted in multiple stages by one gauge adjusting piece, it is possible to reduce the number of gauge adjusting pieces, and to easily manufacture the gauge adjusting piece and manage inventory. It is possible to easily remove and install the gauge adjusting piece with respect to the tie plate.

DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment embodying a rail positioning device of the present invention will be described with reference to FIGS.
As shown in FIG. 1, tie plates 12 are placed at two left and right locations (only one location is shown) on the upper surface 11a of the sleeper 11 laid on the track of the train. The tie plate 12 is formed from a metal material such as iron in the shape of a horizontally long rectangular plate as shown in FIG. 2, and a pair of left and right position restricting ridges 13 and 14 are integrally formed on the upper surface of the rail 15. It is formed parallel to the track direction R. As shown in FIG. 1, the rail 15 is laid on the upper surface of the tie plate 12 in a state in which the position of the lower end flange portion of the rail 15 is regulated between the position regulating protrusions 13 and 14. The rail 15 includes a bolt 16 engaged with the dovetail engaging recesses 13a and 14a of the position restricting ridges 13 and 14, a plate spring 17 pressed against the flange portion of the rail 15 and the upper surface of the tie plate 12, and the It is fixed to the upper surface of the tie plate 12 by a known fastening member such as a nut 18 that is screwed into the upper end of the bolt 16 and presses the leaf spring 17 downward.

  As shown in FIG. 2, first gauge adjusting racks 21 (hereinafter simply referred to as first racks) are integrally formed at the four corners of the tie plate 12 so as to be located on the outer side of the position regulating protrusions 13 and 14. Has been. As shown in FIG. 3, these first racks 21 include a plurality of first rail adjustment ridges 21 a parallel to the track direction R and a plurality of first rails formed between the ridges 21 a. It is comprised by the adjustment groove | channel 21b. The cross sections of the protrusions 21a and the gauge adjusting grooves 21b are each tapered. As shown in FIG. 2, the first rack 21 includes a second gauge adjusting rack 23 or the other surface integrally formed on one side (lower surface) of the gauge adjusting piece 22 formed in a square plate shape in plan view with a metal material. The third gauge adjusting rack 24 formed integrally with the (upper surface) is detachably engaged with each other.

  As shown in FIG. 3, the second rack 23 is constituted by a plurality of parallel second gauge adjusting ridges 23 a and a plurality of second gauge adjusting grooves 23 b formed between the ridges 23 a. . The cross sections of the gauge adjusting ridges 23a and the gauge adjusting grooves 23b are each tapered. The third rack 24 is composed of a plurality of parallel third rail adjusting ridges 24a and a plurality of third rail adjusting grooves 24b formed between the ridges 24a. The cross sections of the gauge adjusting ridges 24a and the gauge adjusting grooves 24b are each tapered.

  The distance between the centers O1 of the gauge adjusting ridges 21a of the first rack 21, that is, the arrangement pitch P1 of the gauge adjusting ridges 21a is set to a predetermined equal pitch (for example, 4 mm). The distance between the centers O2 of the respective gauge adjusting grooves 23b of the second rack 23, that is, the arrangement pitch P2 of the second gauge adjusting grooves 23b and the distance between the centers O3 of the third gauge adjusting grooves 24b of the third rack 24, that is, The arrangement pitch P3 of the third gauge adjusting grooves 24b is also set to a predetermined equal pitch (for example, 4 mm). The position of the center O2 of the second gauge adjusting groove 23b and the position of the center O3 of the third gauge adjusting groove 24b are displaced by a predetermined displacement amount δ (for example, 1 mm) in the gauge K direction as shown in FIG.

As shown in FIGS. 1 and 2, an insertion hole 27 is provided in the center portion of the gauge adjusting piece 22 in the up-down direction.
As shown in FIG. 2, in the four first racks 21, the tie plate 12 is provided with an adjustment hole 28 having a long hole shape in plan view in the vertical direction. As shown in FIG. 1, a screw hole 31 is recessed in the sleeper 11 corresponding to the adjustment hole 28 of the tie plate 12. A screw nail 32 as a fixing member inserted through the circular insertion hole 27 and the long adjustment hole 28 is screwed into the screw hole 31. The tie plate 12 is fixed to the sleeper 11 by pressing a nut 33 as a fastening portion screwed into the upper end portion of the screw nail 32 against the upper surface of the gauge adjusting piece 22.

  As shown in FIG. 2, the width D1 dimension of the short diameter portion of the adjustment hole 28 is set to be approximately the same as the diameter D2 dimension of the insertion hole 27 of the gauge adjusting piece 22, and the length D3 dimension of the long diameter portion of the adjustment hole 28 Is set equal to or larger than the diameter D2 of the insertion hole 27.

  The pair of tie plates 12 are arranged on the surface of the sleeper 11 at a predetermined interval in the length direction of the sleeper 11. The distance between the rails 15 fixed to the tie plate 12, that is, the distance between the tie plates 12, is set by the distance between the two tie plates 12.

Next, the configuration of the screw nail 32 and the nut 33 will be described.
As shown in FIGS. 1 and 4, a biting screw portion 36 having a large thread 35 is formed on the lower end side of the cylindrical portion 34 of the screw nail 32, and the upper end portion thereof is directed upward. The taper part 37 which becomes thick is formed. A connecting portion 38 is formed on the upper end side of the body portion 34. The outer peripheral surface of the connecting portion 38 has a spline portion 39 as shown in FIG. 5 so that a tool (not shown) can be connected and the screw nail 32 can be turned around its axis.

  As shown in FIG. 4, a nut screw portion 40 is integrally formed in series between the upper end portion of the body portion 34 and the connecting portion 38, and the nut 33 is screwed into the screw portion 40. . The diameter D4 dimension of the trunk portion 34 is set slightly smaller than the diameter D2 dimension of the insertion hole 27 of the gauge adjusting piece 22, and the maximum diameter D5 dimension of the crest portion of the screw portion 40 is set to the trunk portion 34. The diameter is set to be the same as the dimension D4. Further, the maximum diameter D6 dimension of the connecting portion 38 is set to be equal to or less than the diameter D7 dimension of the valley portion of the screw portion 40. The inner diameter D8 dimension of the top of the mountain portion of the female thread 41 of the nut 33 is equal to or larger than the maximum diameter D6 dimension of the connecting portion 38.

  The upper end portion of the female screw 41 of the nut 33 shown in FIG. 4 is plastically deformed from three directions (see arrows) on the outer peripheral side of the nut 33 by a caulking device (not shown) as shown in FIG. Overhanging portions 42 are formed at three locations on the inner peripheral surface as slack prevention means that slightly protrudes inward in the radial direction. The minimum radius D9 dimension of the projecting portion 42 from the center O of the female screw 41 is set smaller than the radius r (= D8 / 2) dimension of the female screw 41 where the projecting portion 42 is not formed. When the nut 33 is screwed into the screw portion 40, the nut 33 is smoothly screwed into the screw portion 40 until the protruding portion 42 of the female screw 41 reaches the screw portion 40. When the overhanging portion 42 is actually screwed to the screw portion 40, the screwing resistance is increased, and the nut 33 is not loosened after the tightening is completed.

  As shown in FIG. 4, a boss portion 43 is integrally formed at the lower end portion of the nut 33, and a spring washer 44 is fitted to the outer peripheral portion of the boss portion 43. The spring washer 44 is detached from the boss portion 43 of the nut 33 by plastically deforming the lower end portion of the boss portion 43 on the taper surface S5 formed on the inner peripheral edge of the spring washer 44 using a caulking device (not shown) in the diameter increasing direction. It is supposed not to.

Next, an operation for attaching the rail 15 to the sleeper 11 will be described.
First, the rails 15 are fixed to the upper surfaces of the pair of tie plates 12 by fastening members such as the bolts 16, the leaf springs 17, and the nuts 18, respectively. Next, a pair of tie plates 12 are placed on the top surface of the sleeper 11 at a predetermined interval. Thereafter, the second rack 23 of the gauge adjusting piece 22 is engaged with each first rack 21 of the tie plate 12, and then the screw hole 31 is recessed in the sleeper 11 in accordance with the insertion hole 27.

  Next, the screw nail 32 is inserted into the insertion hole 27 and the adjustment hole 28, and the connecting portion 38 is rotated by a tool so that the biting screw portion 36 of the screw nail 32 is screwed into the screw hole 31. In this state, the body portion 34 of the screw nail 32 is inserted into the insertion hole 27 of the gauge adjustment piece 22, and the screw portion 40 protrudes above the gauge adjustment piece 22. Then, when the nut 33 is screwed into the threaded portion 40 of the screw nail 32 and the gauge adjusting piece 22 is pressed by the nut 33, the gauge adjusting piece 22 is moved to the tie plate 12 as shown in FIG. As a result, the tie plate 12 is fastened and fixed to the sleeper 11 via the gauge adjusting piece 22.

  The gauge adjustment work of the rail 15 is performed by changing the engagement of the second rack 23 or the third rack 24 of the gauge adjustment piece 22 with the first rack 21. The state illustrated in FIG. 7A is an initial state in which the adjustment distance between the gauges by the gauge adjustment piece 22 is set to 0 mm. When the tie plate 12 is moved, for example, 1 mm in the gauge K (left) direction from this initial state, after removing the nut 33 from the screw portion 40 of the screw nail 32 in FIG. The tie plate 12 is once detached from the first rack 21 and the screw nail 32, and the tie plate 12 is moved 1 mm to the left on the sleeper 11 as shown in FIG. Then, with the gauge adjustment piece 22 turned upside down, the insertion hole 27 of the gauge adjustment piece 22 is attached to the body portion 34 of the screw nail 32 and the third rack 24 is engaged with the first rack 21. At this time, the center O2 of the second gauge adjusting groove 23b of the second rack 23 and the center O3 of the third gauge adjusting groove 24b of the third rack 24 are displaced by 1 mm in the gauge K (left) direction. The third gauge adjustment groove 24b of the third rack 24 is engaged with the gauge adjustment protrusion 21a of the displaced first rack 21, and adjustment of 1 mm to the left of the gauge is performed.

  Next, the case where the gap is adjusted 2 mm to the left will be described. In this case, in FIG. 7A, the nut 33 is screwed upward and moved so that the gauge adjusting piece 22 is screwed between the tie plate 12 and the nut 33 as shown in FIG. 7C. The space | interval which can turn in the horizontal direction centering on the nail | claw 32 is opened. In this state, the gauge adjusting piece 22 is moved upward to release the meshed state of the first rack 21 and the second rack 23, and then the tie plate 12 is moved 2 mm to the left. Thereafter, the gauge adjusting piece 22 is turned 180 ° in the horizontal direction around the screw 32 and the inverted second rack 23 is engaged with the first rack 21 as shown in FIG. A 2 mm adjustment is made.

  Furthermore, the case where the gap is adjusted 3 mm to the left will be described. In this case, in FIG. 7C, after removing the nut 33, the tie plate 12 is moved 1 mm to the left. Thereafter, the gauge adjusting piece 22 is turned upside down and the third rack 24 is engaged with the first rack 21 as shown in FIG. 7D, thereby adjusting the gauge to the left by 3 mm.

  In the same manner, the gauge adjusting piece 22 can be turned upside down or turned 180 degrees horizontally to adjust, for example, 4 to 7 mm to the left of the gauge. In addition, when adjusting the gauge to the right, the same method as the left adjustment method described above is used.

Next, the effect of the rail positioning device configured as described above will be described.
(1) In the embodiment, the first rack 21 is formed on the upper surface of the tie plate 12, the second rack 23 and the third rack 24 are formed on the upper and lower surfaces of the gauge adjusting piece 22, and the second rack 23 The center O2 of the gauge adjusting groove 23b and the center O3 of the third gauge adjusting groove 24b of the third rack 24 are displaced by a predetermined displacement amount δ in the gauge direction. For this reason, the number of gauge adjusting pieces 22 required for the gauge adjustment can be reduced to one, and the manufacture and inventory management of the gauge adjusting pieces 22 can be easily performed.

  (2) In the above embodiment, the second rack 23 or the third rack 24 provided on both surfaces of the gauge adjusting piece 22 is meshed with the first rack 21 provided on the upper surface of the tie plate 12. The adjustment piece 22 is assembled above the tie plate 12, so that the gauge adjustment piece 22 can be easily attached to and detached from the tie plate 12.

  (3) In the above embodiment, the screw part 40 is provided on the upper part of the body part 34 of the screw nail 32, the connecting part 38 is formed on the upper end part thereof, and the nut 33 is screwed onto the screw part 40. . Further, the diameter D4 of the body portion 34 is the same as the maximum diameter D5 of the screw portion 40, and the diameter D2 of the insertion hole 27 of the gauge adjusting piece 22 is slightly smaller than the diameter D4 and the maximum diameter D5. The maximum diameter D6 dimension of the connecting portion 38 was made smaller than the diameter D7 dimension of the valley portion of the threaded portion 40. For this reason, it is not necessary to remove the screw 32 from the pillow 11 when changing the posture of the gauge adjusting piece 22 during the gauge adjustment, and the gauge adjustment work can be easily performed, and the screw 32 for the pillow 11 can be easily performed. Can maintain the cohesive strength.

(4) In the embodiment described above, the four adjustment holes 28 formed in the four first racks 21 of the tie plate 12 are each made into a long hole, and the width D1 dimension of the adjustment hole 28 and the adjustment hole 28 are inserted into the adjustment hole 28. The diameter D4 of the body portion 34 of the screw nail 32 to be used is made substantially the same. For this reason, when adjusting the gauge, the tie plate 12 is linearly guided and moved in the adjustment direction of the gauge along the trunk portions 34 of the four screw nails 32 fixed at predetermined positions. The mounting posture can be properly maintained.
(Another embodiment)
Next, another embodiment of the present invention will be sequentially described with reference to FIGS.

  In the embodiment shown in FIG. 8 and FIG. 9, the fourth gauge adjustment rack 25 is formed so as to be orthogonal to the second rack 23 with respect to the lower surface of the gauge adjustment piece 22, and the upper surface of the gauge adjustment piece 22 A fifth gauge adjusting rack 26 is formed so as to be orthogonal to the third rack 24. The second rack 23 and the third rack 24 have the same configuration as described above as shown in FIG. Further, the distance between the center O4 of the fourth gauge adjusting ridge 25a and the fourth gauge adjusting groove 25b of the fourth gauge adjusting rack 25, that is, the pitch P4, the fifth gauge adjusting ridge 26a of the fifth gauge adjusting rack 26, and The distance between the centers O5 of the fifth gauge adjusting groove 26b, that is, the pitch P5 is set to be the same as the arrangement pitches P2 and P3. The center O4 of the fourth gauge adjusting groove 25b and the center O5 of the fifth gauge adjusting groove 26b are displaced by a predetermined displacement amount γ different from the predetermined displacement amount δ in the gauge K direction.

In this embodiment, for example, by adjusting the displacement amount δ to 1 mm and the displacement amount γ to 0.5 mm, the gauge can be adjusted in more stages.
In the embodiment shown in FIG. 10, flat square-shaped gauge adjustment pieces 45 in which planar concave engaging recesses 12 a are formed at the four corners of the tie plate 12 and the first rack 21 is formed in each engaging concave 12 a. I try to fit it. The side surfaces of the four sides of the engaging recess 12a and the first rack 21 are each formed in a tapered shape with a narrower width toward the lower end so that the engaged state of the first rack 21 is stabilized.

In this embodiment, since the first rack 21 is formed on the gauge adjusting piece 45 that is separate from the tie plate 12, the first rack 21 can be easily manufactured.
In the embodiment shown in FIGS. 11 to 13, instead of the first rack 21 of the tie plate 12, one first gauge adjusting ridge 46 that is wide in the gauge K direction corresponding to the adjustment hole 28 is provided in the track direction. It is integrally formed in parallel with R. One second gauge adjusting groove 47 that is wide in the gauge K direction is formed on the lower surface of the gauge adjusting piece 22 so as to be engaged with the gauge adjusting protrusion 46. Further, one third gauge adjusting groove 48 that is wide in the gauge K direction is formed on the upper surface of the gauge adjusting piece 22. The centers O6 and O7 of the second gauge adjusting groove 47 and the third gauge adjusting groove 48 are displaced by a predetermined displacement amount δ (for example, 1 mm). Further, as shown in FIG. 13B, the displacement amount γ (for example, 0.5 mm) in which the displacement amount at the center of the second gauge adjusting groove 47 and the third gauge adjusting groove 48 is different from the predetermined displacement quantity δ. The gauge adjustment piece 22 is prepared.

In the above-described embodiment, a total of four stages of gauge adjustment can be performed by using the two types of gauge adjustment pieces 22 by turning them upside down.
In the embodiment shown in FIG. 14, one first gauge adjusting groove 12 b is provided on the upper surface of the tie plate 12, and one first gauge engaged with the first gauge adjusting groove 12 b with respect to the lower surface of the gauge adjusting piece 22. A two-gauge adjusting ridge 22e is provided, and a third third-gauge adjusting ridge 22f that is also engaged with the first gauge adjusting groove 12b is provided on the upper surface of the gauge adjusting piece 22. Further, the center O8 of the second gauge adjusting ridge 22e and the center O9 of the third gauge adjusting ridge 22f are displaced in the gauge K direction by a predetermined displacement δ (for example, 1 mm). Also in this embodiment, the gauge can be adjusted by turning the gauge adjusting piece 22 upside down.

  15 to 18 has a structure in which the third gauge adjustment rack 24 of the gauge adjustment piece 22 is omitted and the gauge adjustment piece 45 is fitted into the engagement recess 12a of the tie plate 12. Further, as shown in FIGS. 16A and 16B, the center O1 of the first gauge adjusting ridge 21a of the first rack 21 is set in the gauge K direction with respect to the center O10 of the gauge adjusting piece 45 in the gauge K direction. It is displaced by a predetermined displacement amount δ (for example, 1.0 mm). Further, as shown in FIGS. 17A and 17B, the center O2 of the second gauge adjusting groove 23b of the second gauge adjusting rack 23 extends from the center O11 of the insertion hole 27 of the gauge adjusting piece 22 in the gauge K direction. It is displaced by a predetermined displacement amount ε (for example, 0.5 mm). On the upper surfaces of both end portions of the tie plate 12 in the gauge K direction, ridges 12c that restrict the movement of the gauge adjustment piece 45 and the gauge adjustment piece 22 to the outside in the gauge direction are integrally formed. Even if the nut 33 is removed or the barrel portion 34 is broken by the protrusion 12c, the gauge adjusting pieces 22 and 45 move to the left in FIG. I am trying not to.

  In the above embodiment, when the movement amount of the tie plate 12 is 0 mm as shown in FIG. 15, the gauge adjusting piece 22 is reversed left and right as shown in FIG. The tie plate 12 can be moved and adjusted in the gauge direction by a displacement amount ε (0.5 mm) from the center O2 of the second gauge adjustment groove 23b. Similarly, in the state shown in FIG. 15, the tie plate 12 can be moved and adjusted in the gauge direction by 2 mm as shown in FIG. Furthermore, in the state shown in FIG. 18B, the tie plate 12 can be moved and adjusted by 3 mm in the gauge direction as shown in FIG.

  In the embodiment described above, the first rack 21 may be integrally formed with the tie plate 12 instead of the gauge adjusting piece 45. Moreover, you may use the thing without the displacement amount (epsilon) as the gauge adjustment piece 22. FIG.

-As shown to Fig.19 (a), (b), you may make the planar shape of the connection part 38 into polygons, such as a rectangle.
Although not shown, instead of the biting screw portion 36, a through hole is formed in the sleeper 11 and a bolt that is locked to the lower surface of the sleeper 11 is passed through the through hole upward, The body portion 34 and the screw portion 40 may be formed. In this embodiment, the connecting portion 38 can be omitted.

  Only one first gauge adjusting protrusion 21a may be formed on the upper surface of the tie plate 12, and only one second gauge adjusting groove 23b and one third gauge adjusting groove 24b of the gauge adjusting piece 22 may be provided. Further, only one first gauge adjusting groove 21b is formed on the upper surface of the tie plate 12, and only one second gauge adjusting ridge 23a and one third gauge adjusting ridge 24a of the gauge adjusting piece 22 are formed. May be.

The body portion 34 of the screw nail 32 may be formed as a screw portion having the same diameter as the screw portion 40.
The ridges 21a of the first rack 21, the second gauge adjustment ridges 23a of the second rack 23, and the third gauge adjustment ridges 24a of the third rack 24 may be formed in a quadrangular prism shape or a semi-columnar shape, respectively.

  The adjustment hole 28 provided in the tie plate 12 may be a circular or square hole having a diameter larger than the diameter dimension of the body portion 34. In this case, a position restricting portion for restricting the position of the gauge adjusting piece 22 from both sides in the track R direction with respect to the tie plate 12 is provided.

-The nut 33 and the spring washer 44 may be separated.
-You may make it exhibit the loosening prevention function of the nut 33 using a double nut.
The screw nail 32 may have the same structure as the conventional screw nail described in FIG.

  In the above-described embodiment, the tie plate 12 is laid on the sleeper 11, but it may be laid on a sleeper such as a synthetic sleeper or a PC (Pressed Concrete) sleeper. As the synthetic sleeper, a synthetic resin such as a hard foam polyurethane resin reinforced with fibers such as glass fibers is known.

  In the above-described embodiment, the screw nail 32 is used as the fixing member. However, a fixing member such as a dog nail, a corner and nail, and a round and nail may be used. Among these, the screw nail 32 is preferable because of its strong fastening force.

1 is a longitudinal sectional view showing an embodiment of a rail positioning device of the present invention. The separation perspective view of a tie plate and a gauge adjustment piece. The enlarged front view which shows the relationship between the rack of a tie plate and a gauge adjustment top. Sectional drawing which shows a screw nail, a gauge adjustment piece, and a nut. The top view of a screw nail. The top view of a nut. (A)-(d) is a front view for demonstrating the adjustment operation | work between the gauges of a tie plate. The perspective view of the gauge adjustment piece which shows another embodiment of this invention. (A) is a front view of the gauge adjustment piece of FIG. 8, (b) is a left side view of the gauge adjustment piece of FIG. The isolation | separation perspective view of the tie plate and another gauge adjustment piece which show another embodiment of this invention. Sectional drawing of the tie plate and gauge adjustment piece which show another embodiment of this invention. The separation perspective view which shows the tie plate of FIG. 11, and a gauge adjustment top. (A), (b) is sectional drawing of two types of gauge adjustment tops. The tie plate which shows another embodiment of this invention, and the fragmentary sectional view of a gauge adjustment top. The partial front view of the tie plate and another gauge adjustment piece which show another embodiment of this invention. (A) is a top view of the adjustment piece of embodiment shown in FIG. 15, (b) is a front view of an adjustment piece. (A) is a top view of the gauge adjustment piece of embodiment shown in FIG. 15, (b) is a front view of a gauge adjustment piece. (A)-(c) is a front view for demonstrating the gauge adjustment method of embodiment shown in FIG. (A) is a front view which shows another embodiment of a screw nail, (b) is a top view of a screw nail. Sectional drawing which shows the state by which the conventional tie plate is being fixed to the sleeper. (A) is an expanded sectional view near the conventional screw nail, (b) is a sectional view showing a state after adjusting the gauge.

Explanation of symbols

  O1, O2, O3, O4, O5, O6, O7, O8, O9 ... center, 11 ... sleeper, 11a ... upper surface, 12 ... tie plate, 12a ... engaging recess, 12b, 21b ... first gauge adjusting groove, 12c ... Projection, 33 ... Nuts as fastening portions, 21a, 46 ... First gauge adjustment projection, 22 ... Gauge adjustment piece, 22e, 23a ... Second gauge adjustment projection, 22f, 24a ... Third gauge adjustment projection 23b, 47 ... second gauge adjustment groove, 24b, 48 ... third gauge adjustment groove, 26b ... fifth gauge adjustment groove, 25b ... fourth gauge adjustment groove, 27 ... insertion hole, 28 ... adjustment hole, 34 ... trunk Part, 40 ... screw part, 45 ... gauge adjustment piece.

Claims (11)

A pair of left and right fixing members fixed to a predetermined position of the sleeper in the gauge direction;
While being supported on the upper surface of the sleeper, and tie with a pair of left and right adjusting hole for gauge adjustment body portion Ru is penetration of the fixing member,
A first gauge adjusting ridge or a first gauge adjusting groove provided on the upper surface of the tie plate;
Gauge adjustment piece for gauge adjustment having an insertion hole for inserting the trunk portion of the fixing member,
A second gauge adjusting groove or a second gauge adjusting ridge provided on a lower surface of the gauge adjusting piece and engaged with the first gauge adjusting ridge or the first gauge adjusting groove;
A third gauge adjusting groove or a third gauge adjusting ridge provided on the upper surface of the gauge adjusting piece and engaged with the first gauge adjusting ridge or the first gauge adjusting groove;
Provided at the upper end of the body portion of the previous SL fixing member, and the gauge adjustment frame and the tie and a fastening portion for fastening to the sleeper, the second gauge adjusting groove or the second gauge adjusting protrusions The center and the center of the third gauge adjusting groove or the center of the third gauge adjusting ridge are rail positioning devices that are displaced by a predetermined displacement amount in the gauge direction . In Claim 1, the said 1st gauge adjustment protrusion on the said tie plate side, the said 2nd gauge adjustment groove on the said gauge adjustment piece side, and the 3rd gauge adjustment groove are each provided in multiple numbers in parallel. Rail positioning device. 3. The lower surface of the gauge adjusting piece according to claim 2, wherein a plurality of fourth gauge adjusting grooves are provided in parallel to be orthogonal to the second gauge adjusting groove, and the upper surface of the gauge adjusting piece is provided with the third gauge adjusting piece. A plurality of fifth gauge adjustment grooves are provided in parallel so as to be orthogonal to the gauge adjustment grooves, and the center of the fourth gauge adjustment groove and the center of the fifth gauge adjustment groove are different from the predetermined displacement in the gauge direction. A rail positioning device that is displaced by a displacement amount. In Claim 1 or 2, the cross sections of the first gauge adjustment ridge on the tie plate side, the second gauge adjustment groove on the gauge adjustment piece side, and the third gauge adjustment groove on the tie plate side are each formed in a tapered shape. A rail positioning device. 5. The plurality of first gauge adjustment protrusions provided on an upper surface of the tie plate according to claim 2, are engaged with engagement recesses formed at predetermined positions of the tie plate. A rail positioning device formed on the adjusting piece. A pair of left and right fixing members fixed to a predetermined position of the sleeper in the gauge direction;
While being supported on the upper surface of the sleeper, and tie with a pair of left and right adjusting hole for gauge adjustment body portion Ru is penetration of the fixing member,
A first gauge adjusting ridge or a first gauge adjusting groove provided on the upper surface of the tie plate;
Gauge adjustment piece for gauge adjustment having an insertion hole for inserting the trunk portion of the fixing member,
A second gauge adjusting groove or a second gauge adjusting ridge provided on a lower surface of the gauge adjusting piece and engaged with the first gauge adjusting ridge or the first gauge adjusting groove;
And the center of the front SL provided at the upper end of the body portion of the fixing member, and the gauge adjusting piece and the tie with a fastening portion for fastening to the sleepers, the gauge adjusting piece in the formed through hole, The center of the second gauge adjusting groove or the second gauge adjusting ridge is a rail positioning device that is displaced by a predetermined displacement amount with respect to the gauge direction . A pair of left and right fixing members fixed to a predetermined position of the sleeper in the gauge direction;
While being supported on the upper surface of the sleeper, and tie with a pair of left and right adjusting hole for gauge adjustment body portion Ru is penetration of the fixing member,
A first gauge adjusting ridge or a first gauge adjusting groove provided on the upper surface of the tie plate;
Gauge adjustment piece for gauge adjustment having an insertion hole for inserting the trunk portion of the fixing member,
A second gauge adjusting groove or a second gauge adjusting ridge provided on a lower surface of the gauge adjusting piece and engaged with the first gauge adjusting ridge or the first gauge adjusting groove;
Provided at the upper end of the body portion of the previous SL fixing member, and a said gauge adjusting piece and the fastening portion for fastening the tie on sleepers, the first gauge adjustment ridges or first gauge adjustment groove The adjustment piece is formed on the upper surface of the adjustment piece to be engaged with the engagement recess formed on the upper surface of the tie plate, and the center of the adjustment piece in the gauge direction and the first gauge adjustment groove or the first gauge adjustment protrusion. The center of the strip is a rail positioning device that is displaced by a predetermined displacement amount in the gauge direction . In any 1 paragraph of Claims 1-7, the projection or ridge which prevents that the above-mentioned adjustment top moves to the gauge direction is provided in the end part upper surface of the gauge direction of the tie plate, Rail positioning device. In any 1 paragraph of Claims 1-8, the above-mentioned fastening part is a nut removably screwed with the screw part formed in the upper end part of the body part of the above-mentioned fixed member, and the diameter of the above-mentioned screw part is as follows. A rail positioning device having a diameter equal to or less than a diameter of the body portion. The tie plate used for the rail positioning device as described in any one of Claims 1-9. Gauge adjustment piece used in the rail positioning device according to any one of claims 1-9.

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