A track level correction fastener device for high-speed railway curve segments

Abstract

The application discloses a high-speed railway curve segment track horizontal deviation rectification fastener device, which comprises a pre-buried steel sleeve, the pre-buried steel sleeve is in a strip shape, an inverted spiral spike is arranged in the pre-buried steel sleeve, a spike bolt gasket is attached to the spiral spike, an A-type spike bolt gasket and a B-type spike bolt gasket are combined and inserted into the pre-buried steel sleeve, the A-type spike bolt gasket and the B-type spike bolt gasket are in a semicircular strip shape, the spike bolt gasket is attached to the spiral spike, and a gauge block is fixed with a spring strip. The high-speed railway curve segment track horizontal deviation rectification fastener device is characterized in that the A-type spike bolt gasket and the B-type spike bolt gasket are combined in position, the horizontal position of the steel rail is rectified, the A-type spike bolt gasket and the B-type spike bolt gasket are detachable, the track deviation rectification device can be used for a long time, the spiral spike is closely attached through the setting of a gasket groove, a gasket convex groove and a pre-buried steel sleeve convex groove, fatigue damage is reduced, and the device has good popularization value.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of high-speed railway ballastless track horizontal deviation correction technology, in particular to a high-speed railway curve segment track horizontal deviation correction fastener device. BACKGROUND

[0002] In track structure components, the types of track fasteners are the most to adapt to different requirements. The fasteners must have sufficient clamping pressure to ensure reliable connection of the rail and the track bed, have certain elasticity to buffer the impact of train load, and have certain adjustment amount to adjust the height, horizontal direction and track gauge, etc.

[0003] With the continuous increase of high-speed railway operation time, the deviation of the ballastless track from the design centerline position and the impact on the smoothness of the ballastless track line have become a common disease. The lateral deviation of the high-speed railway ballastless track line has affected the comfort and safety of train operation, and rapid and safe ballastless track lateral deviation correction technology is urgently needed. Especially at the curve of the high-speed railway line, part of the ballastless track deviates from the design centerline position, and when the overall deviation of the track structure exceeds ±5mm, the commonly used track fasteners cannot be corrected.

[0004] The existing deviation correction methods such as track slab pushing correction technology, lifting beam correction technology have large amount of construction engineering, long time consumption, and damage to the original track subgrade structure, which brings uncertainty to the safe operation of trains. At present, most of the high-speed railway subgrade structures at the curve have a small amount of deviation after a long time of train load, but the track structure itself still has stability. Therefore, without changing the track slab and subgrade at the curve, we propose a new type of fastener device that changes the existing ballastless track slab bolt slot and adjusts the position of the spiral spike to meet the track structure horizontal deviation correction function. SUMMARY

[0005] The purpose of the present application is to provide a high-speed railway curve segment track horizontal deviation correction fastener device to solve the problem of limited track fastener correction amount mentioned in the above background, and the existing solutions such as track slab pushing correction technology, lifting beam correction technology, track slab grouting lifting technology have large amount of engineering and long construction time, etc. Poor effect problem.

[0006] To achieve the above object, the application provides the following technical scheme: a track horizontal deviation correction fastener device for a high-speed railway curve section track, comprising a track plate with an adjusting bolt slot, a concrete block, a gauge block, a spike nut, a flat washer, a spring strip, a spiral spike, insulating rubber, a rubber pad, an iron pad, a steel rail, a first bolt washer, a spike bolt washer, a pre-buried steel sleeve, a washer hole, a pre-buried steel sleeve protrusion, a washer recess, a washer protrusion, a pre-buried steel sleeve sliding groove, a spiral spike bottom cap, a gauge block protrusion, a gauge block slope, and a gauge block slot; the track horizontal deviation correction fastener is fixedly installed on the track plate with an adjusting bolt slot, the concrete block horizontally fixes the gauge block, the spring strip fixes the gauge block, the flat washer is arranged on the middle of the spring strip, the spike nut is installed to tighten the spring strip, the inverted spiral spike is clamped into the middle of the spring strip, two spike bolt washers are connected beside the spiral spike, the inverted spiral spike is clamped into the pre-buried steel sleeve, the insulating rubber connects the steel rail and the spring strip, the iron pad connects the rubber pad and the steel rail, the rubber pad connects the track plate with an adjusting bolt slot and the iron pad, the steel rail is fixed on the track plate with an adjusting bolt slot by the horizontal deviation correction fastener, the bolt washer is provided with a washer recess and a washer protrusion, the washer recess and the washer protrusion can be tightly fitted and fixed, the first bolt washer, the spike bolt washer, and the inverted spiral spike are put into the pre-buried steel sleeve, and the pre-buried steel sleeve protrusion connects the washer recess.

[0007] The first bolt washer is divided into an A-type bolt washer and a B-type bolt washer, the A-type bolt washer and the B-type bolt washer are two bolt washers with the same shape and size but different thicknesses, the A-type bolt washer and the B-type bolt washer are provided with a washer recess and a washer protrusion, and the washer recess and the washer protrusion can be tightly connected.

[0008] The A-type bolt washer, the B-type bolt washer, and the spike bolt washer can be combined and adjusted in the pre-buried steel sleeve, the spiral spike is combined and adjusted according to the positions of the A-type bolt washer and the B-type bolt washer, and the horizontal deviation correction of the steel rail is realized.

[0009] The A-type bolt washer, the B-type bolt washer, and the spike bolt washer have a washer hole in the middle and upper part, the washer hole is a circular hole, and the front and back are penetrated, so that the A-type bolt washer, the B-type bolt washer, and the spike bolt washer can be pulled out and installed.

[0010] The spike bolt washer is provided with a washer recess, the outer wall tightly clamps the washer protrusion of the bolt washer, and the spike bolt washer moves with the movement of the spiral spike.

[0011] The pre-buried steel sleeve has a pre-buried steel sleeve protrusion, which tightly connects the washer recess of the first bolt washer.

[0012] The bottom of the embedded steel sleeve is a long slot space, the spiral spike moves forward and backward in the embedded steel sleeve, the embedded steel sleeve clamps the bottom cap of the spiral spike, and the spiral spike cannot move up and down.

[0013] The rail gauge block is a prefabricated thickness rail gauge block, and the thickness adjustment of the rail gauge block is changed synchronously according to the change of the horizontal correction amount, when the thickness of the rail gauge block on one side increases, the thickness of the rail gauge block on the other side decreases correspondingly.

[0014] The track structure deviation at the curve is mainly due to the centripetal force when the rapid train passes through the curve, and the overall track structure deviates to the outside. Therefore, when the embedded steel sleeve is arranged in the ballastless track slab, enough space is left for the track to deviate to the outside.

[0015] When the track fastener with the steel rail is corrected as a whole, the original rail gauge block is not enough to fix the track fastener, at this time, a rail gauge block with a prefabricated thickness is used. When the prefabricated rail gauge block on one side is thickened, a rail gauge block with a reduced thickness is used on the other side to support the entire track fastener structure after correction to remain stable.

[0016] The spike bolt gasket is composed of two 5mm thick gaskets with the same shape, and the feature is that there is no gasket groove, and the purpose is to tightly fit the spiral spike. When correcting, the first spike bolt gasket in the embedded steel sleeve is pulled out and inserted into the other side, and the spiral spike and the two spike bolt gaskets on both sides move horizontally as a whole, and after the track fastener is installed, the spike nut fixed elastic strip completes the correction of the track structure.

[0017] When the first spike bolt gasket is pulled out, a prefabricated clip is used to pull out the gasket groove by about 30mm, and then a 5mm radius hook device is used to hook the gasket hole at a depth of 30mm from the mouth of the embedded steel sleeve. Each spike bolt gasket has a gasket hole with a radius of 5mm at a distance of 30mm from the top, which facilitates the removal and placement of the first spike bolt gasket and saves time.

[0018] When adjusting, the horizontal adjustment distance is calculated, and the rail gauge block with a prefabricated thickness is prepared in advance. The lower part of the rail gauge block has two recessed cuboid spaces, which can clamp the iron pad and the rubber pad. The side close to the rail gauge block should be tightly attached to the concrete block, and the main function of the rail gauge block is to fix the elastic strip, the iron pad and the rubber pad, and to prevent the horizontal movement of the steel rail. Advantages

[0019] The present application can adjust the horizontal position of the spiral spike through the position combination of the type A and type B bolt gasket, realizes the deviation correction adjustment of the rail horizontal position, the detachable type A and type B bolt gaskets are arranged, when the two types of bolt gaskets are damaged or cannot work normally in the use process, the bolt gaskets can be replaced in time, the long-term operation of the track deviation correction device is realized, under the long-term operation of the train, the gasket groove, the gasket convex groove and the embedded steel sleeve convex groove are arranged, the spiral spike can be tightly attached, the fatigue damage is reduced, and the service life is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structural diagram of the present application;

[0021] Figure 2 It is the first form of the structure schematic diagram of the embedded sleeve, bolt gasket and spiral spike of the present application;

[0022] Figure 3 It is the second form of the structure schematic diagram of the embedded sleeve, bolt gasket and spiral spike of the present application;

[0023] Figure 4 It is the overall A-A sectional view of the first bolt gasket and the spike bolt gasket of the present application;

[0024] Figure 5 It is the overall structure top view of the first bolt gasket and the spike bolt gasket of the present application;

[0025] Figure 6 It is the overall structure diagram of the first bolt gasket of the present application;

[0026] Figure 7 It is the overall structure diagram of the spike bolt gasket of the present application;

[0027] Figure 8 It is the A-A sectional view of the embedded steel sleeve and spiral spike in the track plate of the present application;

[0028] Figure 9 It is the top sectional view of the embedded steel sleeve and spiral spike in the track plate of the present application;

[0029] Figure 10 It is the structure stereogram and left view of the track gauge stop block of the present application;

[0030] Figure 11 It is the overall bulk structure schematic diagram of the present application;

[0031] Figure 12 It is the spatial stereographic structure diagram of the track fastener of the present application;

[0032] In the figure: 1, the track plate of adjusting bolt clamping groove; 2, concrete block; 3, gauge block; 4, spike nut; 5, flat washer; 6, elastic strip; 7, spiral spike; 8, insulating rubber; 9, rubber pad; 10, iron pad; 11, rail; 12, A type bolt washer; 13, B type bolt washer; 14, spike bolt washer; 15, embedded steel sleeve; 16, washer hole; 17, washer groove; 18, washer convex slot; 19, embedded steel sleeve convex slot; 20, embedded steel sleeve sliding slot; 21, spiral spike bottom cap; 22, gauge block protrusion; 23, gauge block slope; 24, gauge block clamping groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0034] Please refer to Figures 1-12The application provides a technical scheme, which comprises a rail plate 1 of bolt clamping groove, a concrete block 2, a gauge block 3, a spike nut 4, a flat washer 5, a spring strip 6, a spiral spike 7, an insulating rubber 8, a rubber pad 9, an iron pad 10, a steel rail 11, an A-type bolt washer 12, a B-type bolt washer 13, a spike bolt washer 14, a pre-buried steel sleeve 15, a washer hole 16, a washer groove 17, a washer convex groove 18, a pre-buried steel sleeve convex groove 19, a pre-buried steel sleeve sliding groove 20, a spiral spike bottom cap 21, a gauge block convex 22, a gauge block slope 23 and a gauge block clamping groove 24, the application is fixedly installed on the rail plate 1 of bolt clamping groove, the concrete block 2 horizontally fixes the gauge block 3, the spring strip 6 is fixed on the gauge block 3, the flat washer 5 is arranged on the middle of the spring strip 6, the spike nut 4 is installed to tighten the spring strip 6, the inverted spiral spike 7 is clamped into the middle of the spring strip 6, two spike bolt washers 14 are connected beside the spiral spike 7, the inverted spiral spike 7 is clamped into the pre-buried steel sleeve 15, the insulating rubber 8 connects the steel rail 11 and the spring strip 6, the iron pad 10 connects the rubber pad 9 and the steel rail 11, the rubber pad 9 connects the rail plate 1 of bolt clamping groove and the iron pad 10, the steel rail 11 is horizontally fixed on the iron pad 10 by a horizontal deviation fixing part, the first bolt washer is provided with the washer groove 17 and the washer convex groove 18, the washer groove 17 and the washer convex groove 18 can be tightly fitted and fixed, the first bolt washer, the spike bolt washer 14 and the inverted spiral spike 7 are put into the pre-buried steel sleeve 15, the pre-buried steel sleeve convex groove 19 is connected with the washer groove 17, the spiral spike bottom cap 21 moves horizontally in the pre-buried steel sleeve sliding groove 20, and the gauge block clamping groove 24 is fixedly connected with the iron pad 10 and the rubber pad 9.

[0035] The first bolt washer is divided into the A-type bolt washer 12 and the B-type bolt washer 13, the A-type bolt washer 12 and the B-type bolt washer 13 are two bolt washers with the same shape and size but different thicknesses, the A-type bolt washer 12 and the B-type bolt washer 13 are provided with the washer groove 17 and the washer convex groove 18, and the washer groove 17 and the washer convex groove 18 can be tightly connected.

[0036] In the curve section, the track structure will be horizontally deviated to the outside to different degrees due to the centripetal force acting on the rail plate for a long time. Therefore, the pre-buried steel sleeve 15 is designed to be deviated to the inside, so as to reserve a large enough space for the subsequent track structure deviation, and the space is 40 mm at most. When the rail plate 1 of bolt clamping groove is initially built, the spiral spike 7 is fixed in the pre-buried steel sleeve and cannot be pulled out at will. Figure 2shown. After a long time of operation, the track structure subgrade is horizontally offset to the outside, the maintenance construction calculates the offset distance, the invented device loosens the work, the first pin pad on the inside is pulled out, the helical spike 7 and the spike pin pad 14 are horizontally moved, and then the pulled-out first pin pad is inserted into the other side of the pre-buried steel sleeve 15 until the horizontal correction of the steel rail 11 is completed. At this time, the integrated diagram of the helical spike 7, the A-type pin pad 12, the B-type pin pad 13 and the spike pin pad 14 is as shown in Figure 3 As shown in Figure 3 It can be seen from

[0037] The A-type pin pad 12, the B-type pin pad 13 and the spike pin pad 14 can be combined and adjusted in the pre-buried steel sleeve 15, the helical spike 7 is combined and adjusted according to the positions of the A-type pin pad 12 and the B-type pin pad 13, and the horizontal correction of the steel rail 11 is realized. The A-type pin pad 12, the B-type pin pad 13 and the spike pin pad 14 have pad holes 16 in the middle and upper parts, the pad holes 16 are circular holes and penetrate front and back, so as to facilitate the pulling out and installation of the A-type pin pad 12, the B-type pin pad 13 and the spike pin pad 14.

[0038] The spike pin pad 14 is provided with a pad groove 17, the outer wall tightly buckles the pad convex groove 18 of the first pin pad, and the inner wall tightly abuts against the helical spike 7. The spike pin pad 14 moves with the movement of the helical spike 7.

[0039] The pre-buried steel sleeve 15 has a pre-buried steel sleeve convex groove 19, which tightly connects the pad groove 17 of the first pin pad.

[0040] The pre-buried steel sleeve sliding groove 20 is a long strip-shaped clamping groove space. The helical spike 7 moves horizontally in the pre-buried steel sleeve 15. The pre-buried steel sleeve 15 clamps the helical spike bottom cap 21, and the helical spike 7 cannot move up and down. The gauge block 3 is a precast gauge block 3 with a thickness. The thickness adjustment of the gauge block 3 is changed synchronously according to the change of the horizontal correction amount. When the thickness of the gauge block on one side increases, the thickness of the gauge block on the other side decreases correspondingly.

[0041] The integrated diagram of the pin pad combination is as shown in Figure 4 、 Figure 5 There are three types of pin pads, Figure 6 The first pin pad is the first pin pad, and there are two types of A-type pin pad (10mm thickness) 12 and B-type pin pad (5mm thickness) 13. Figure 7is the spike bolt washer 14 which is fixed beside the spiral spike 7, having two 5mm thicknesses with the same shape and size. The first bolt washer has a washer groove 17 on the outermost side, which can be tightly fitted with the embedded steel sleeve groove 19, fixing the first bolt washer and the embedded steel sleeve 15. The washer groove 17 and the washer groove 18 between the A-type bolt washer 12 and the B-type bolt washer 13 are fixed by the fitting of the concave-convex groove, fixing the spike bolt washer 14 and the spiral spike 7.

[0042] The rail 11 acts on the iron pad 10 and the rubber pad 9, and the first bolt washer and the spike bolt washer 14 are at the bottom, so they can be fixed and prevented from moving up and down. The embedded steel sleeve 15 is clamped to a height of about 30mm by clamping the bolt washer groove 17 with a tool, and then pulled out by hooking the washer hole 16 with an iron hook. The width of the first bolt washer is 5mm or 10mm, because too large is not easy to adjust, and too small is unstable in structure. The invention itself can be adjusted within 5mm.

[0043] The spiral spike bottom cap 21 can move horizontally in the embedded steel sleeve chute 20, and the diameter of the spiral spike bottom cap 21 is larger than the diameter of the embedded steel sleeve 15, which can block the spiral spike 7 from moving up and down. The spiral spike bottom cap 21 and the spring 6 prevent the rail 11 from moving and fix the rail 11.

[0044] The gauge block clamping groove 24 is clamped into the iron pad 10 and the rubber pad 9, with a clamping size of 20mm, as shown in Figure 10 According to the size of the correction to be made, the corresponding thickness of the gauge block 3 is prepared in advance. When one side of the gauge block 3 is thickened, the other side of the gauge block 3 is reduced in width by the corresponding size, and the thickness of the gauge block 3 changes by a multiple of 5mm.

[0045] The device can be used for track horizontal correction of the curve section of high-speed railway. First, the correction amount of the rail 11 is measured, and the gauge block 3 of the corresponding thickness is prepared in advance. The device fastener is loosened, the position of the rail 11 is adjusted, the first bolt washer on the inside of the offset is pulled out, the spiral spike 7 is moved, then the first bolt washer is inserted on the other side, the gauge block 3 of the prepared thickness is replaced, and the spike nut 4 of the invention is installed. The device can realize the horizontal correction of the curve section of high-speed railway.

[0046] Finally, it should be said that the above content is only used to illustrate the scheme of the invention, and is not a limitation on the protection scope of the invention. A person of ordinary skill in the art can make simple modifications or equivalent replacements to the technical scheme of the invention without departing from the essence and content of the technical scheme of the invention.

Claims

1. A fastener device for horizontal track correction on curved sections of high-speed railways, characterized in that: The rail plate (1) with bolt clamping groove, concrete block (2), gauge block (3), spike nut (4), flat washer (5), elastic strip (6), spiral spike (7), insulating rubber (8), rubber pad (9), iron pad (10), steel rail (11), first bolt pad, spike bolt pad (14), embedded steel sleeve (15), washer hole (16), embedded steel sleeve groove (19), embedded steel sleeve sliding groove (20), spiral spike bottom cap (21), gauge block protrusion (22), gauge block slope (23) and gauge block clamping groove (24); The rail plate (1) with bolt clamping groove is fixedly provided with a rail horizontal deviation correction fastener, the concrete block (2) is horizontally fixed with the gauge block (3), the elastic strip (6) is fixed on the gauge block (3), the flat washer (5) is arranged on the middle of the elastic strip (6), the spike nut (4) is installed to tighten the elastic strip (6), the inverted spiral spike (7) is clamped into the middle of the elastic strip (6), two spike bolt pads (14) are connected beside the spiral spike (7), the inverted spiral spike (7) is clamped into the embedded steel sleeve (15), the insulating rubber (8) connects the steel rail (11) and the elastic strip (6), the iron pad (10) connects the rubber pad (9) and the steel rail (11), the rubber pad (9) connects the rail plate (1) with bolt clamping groove and the iron pad (10), the steel rail (11) is fixed on the rail plate (1) with bolt clamping groove through the rail horizontal deviation correction fastener, the first bolt pad is provided with a washer groove (17) and a washer groove (18), the washer groove (17) and the washer groove (18) are tightly fixed, the first bolt pad, the spike bolt pad (14) and the inverted spiral spike (7) are put into the embedded steel sleeve (15), the embedded steel sleeve groove (19) is connected with the washer groove (18); The spiral spike bottom cap (21) moves horizontally in the embedded steel sleeve sliding groove (20), the gauge block clamping groove (24) is tightly fixed with the iron pad (10) and the rubber pad (9); The first bolt pad is divided into A-type bolt pad (12) and B-type bolt pad (13), the A-type bolt pad (12) and the B-type bolt pad (13) are two bolt pads with the same shape and size but different thicknesses; The A-type bolt pad (12) and the B-type bolt pad (13) are provided with a washer groove (17) and a washer groove (18), and the washer groove (17) and the washer groove (18) are tightly connected; The A-type bolt pad (12), the B-type bolt pad (13) and the spike bolt pad (14) are combined and adjusted in the embedded steel sleeve (15), the spiral spike (7) is adjusted in displacement according to the combination of the A-type bolt pad (12) and the B-type bolt pad (13), and the horizontal position adjustment of the device drives the steel rail (11) to be horizontally corrected. The A type bolt gasket (12), the B type bolt gasket (13) and the stud bolt gasket (14) have a gasket hole (16) in the middle and upper part, the gasket hole (16) is a circular hole, penetrating from front to back, facilitating the pulling out and installation of the A type bolt gasket (12), the B type bolt gasket (13) and the stud bolt gasket (14); The stud bolt gasket (14) is provided with a gasket groove (17), the outer wall tightly buckles the gasket convex groove (18) of the first bolt gasket, and the stud bolt gasket (14) moves with the movement of the spiral stud (7); The embedded steel sleeve (15) has an embedded steel sleeve convex groove (19) therein, which is tightly connected with the gasket groove (17) of the first bolt gasket; The embedded steel sleeve sliding groove (20) is a long strip-shaped clamping groove space, the spiral stud (7) moves horizontally in the embedded steel sleeve (15), the embedded steel sleeve sliding groove (20) clamps the spiral stud bottom cap (21), and the spiral stud (7) cannot move up and down; The track gauge stop block (3) is a prefabricated track gauge stop block (3) with a thickness, and the thickness of the track gauge stop block (3) is adjusted according to the change of the horizontal deviation correction amount and is changed synchronously, when the thickness of the track gauge stop block on one side increases, the thickness of the track gauge stop block on the other side decreases correspondingly.

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