Composite-rail formed by pushdown the P-main-rail with pushdown-device against the P-auxiliary-rail

Abstract

A composite-rail formed by pushdown the P-main-rail with pushdown-device against the P-auxiliary-rail, hereinafter referred to as composite-rail, it consists of pushdown type main-rail (referred to as P-main-rail), pushdown type auxiliary-rail (referred to as P-auxiliary-rail) and pushdown-device, The P-main-rail is the steel rail that runs the wheel, it have a number of position-pits (31) on the rail-bottom (13); The P-auxiliary-rail. it is a special shape channel steel made of the whole material, the rail-body (10) is enveloped and fastened in it, its position-plates (22) have a number of pushdown-screw-holes (32), rotate pushdown-screw (33) through the pushdown-screw-hole (32) and push into the position-pit (31), push the P-main-rail against the the P-auxiliary-rail, The adjacent p-main-rail is connected into one to eliminate the joint disease.

Claims

1. A composite-rail formed by pushdown the P-main-rail with pushdown-device against the P-auxiliary-rail, hereinafter referred to as composite-rail, and the characteristic of the composite-rail is that it consists of pushdown type main-rail, pushdown type auxiliary-rail and pushdown-device, among which, pushdown type main-rail hereinafter referred to as P-main-rail, pushdown type auxiliary-rail hereinafter referred to as P-auxiliary-rail, The P-main-rail is the steel rail that runs the wheel, it's characterized is that it have a number of downforce receiver, From the cross-section, the P-main-rail is composed of a rail-head(11) and a rail-body(10). The P-auxiliary-rail. it is a special shape channel steel made of the whole material, the rail-body(10) is enveloped and fastened in it, its characteristic is that its position-plates(22) have a number of downforce generator, The P-auxiliary-rail. is composed of a bottom-plate(23) and two symmetrical upward position-plates(22). The position-plates(22) is actually a pair of special joint bar. The bottom-plate(23) and two position-plates(22) form a position-groove(20) which upward opening, and the rail-body(10) is enveloped and fastened in it; Fasten the P-auxiliary-rail(2) on the sleeper so that the P-main-rail is positioned on the sleeper; The pushdown-device comprises a pushdown-rod, a downforce generator on the P-auxiliary-rail and a downforce receiver on the P-main-rail. The downforce generator makes the pushdown-rod produce downforce and presses the downforce receiver, and pushdown the downforce receiver, to pushdown the P-main-rail against the P-auxiliary-rail and form composite-rail

2. A composite-rail according to claim 1, among which, P-main-rail is the steel rail that runs the wheel. It's characterized is that it have a number of position-pits(31) on the rail-bottom(13) as the downforce receiver, The position-pits(31) corresponds to pushdown-rod, and the position-pits(31) has a keyway shape, It is convenient to allow slight creep of P main rail and P auxiliary rail during thermal expansion and cold contraction. The P-main-rail is made of high strength material as a whole, and the upper surface of the rail-head(11) is wear-resistant.

3. A composite-rail according to claim 1, among which, The P-auxiliary-rail, it is a special shape channel steel made of the whole material, its characteristic is that its position-plates(22) have a number of pushdown-screw-hole(32), The pushdown-screw-hole (32) is a vertical downward or inclined downward threaded through-hole on the position-plates(22). pushdown-screw(33) generates downforce on the position-pit(31) of the P-main-rail under the support of these pushdown-screw-holes(32); the position-pit(31) is a position pit arranged at the bottom of the P-main-rail rail-bottom(13) corresponding to the pushdown-screw-hole(32), The structure of the P-auxiliary-rail From the shape and size of the section, the position-groove(20) is just complementary to the rail-body(10), and just encloses the rail-body(10) in it; An elastic cushion plate is arranged between the bottom-plate(23) and each sleeper to reduce the collision force, and the wide bottom plate increases the contact surface with the elastic cushion plate, which can further improve the cushioning. realize the ideal track property(5), and the outside-bottom-plate(233) and the elastic cushion plate are fastened on each sleeper by screws. To ensure the composite-rail position stability; P-auxiliary-rail(2) ends are supported and fastened to the sleeper. Both the seam and auxiliary-rail-gap are supported above the sleeper, and the seam of the P-main-rail and the auxiliary-rail-gap are staggered by at least one sleeper spacing; The seam of the P-main-rail is located in the middle part of the corresponding P-auxiliary-rail(2), and the auxiliary-rail-gap is located in the middle part of the corresponding P-main-rail. The P-auxiliary-rail(2) are fastened on the sleeper, and are connected one by one to form the full track length P-auxiliary-rail; P-main-rail seam and auxiliary-rail-gap stagger each other by at least one sleeper spacing, that is, P-main-rail seam is located in the middle of the corresponding P-auxiliary-rail, and the P-auxiliary-rail-gap is located in the middle of the corresponding P-main-rail; P-main-rail seam and auxiliary-rail gap are both supported above the sleeper; After the rail-body(10) is inserted into the position-groove(20) of the P-auxiliary-rail, Press the position-plates(22) to the direction of rail-body(10) by a screw-nut-assembly(520) arranged on the position-plates(22) and rail-body(10). and eliminate the lateral displacement of the P-main-rail; The P-main-rail is fixed on the P-auxiliary-rail, and the P-auxiliary-rail is fixed on the sleeper, so that the P-main-rail is fixed on the sleeper, so that the P-main-rail can realize the anti-climbing function;

4. A composite-rail according to claim 1, among which, A pushdown-device comprises a pushdown-screw(33), a pushdown-screw-hole(32) on the P-auxiliary-rail and a position-pit(31) on the P-main-rail. The pushdown-screw-hole(32) is a vertical downward or inclined downward threaded through-hole on the position-plates(22). The position-pit(31) is a position pit arranged at the bottom of the P-main-rail rail-bottom(13) corresponding to the pushdown-screw-hole(32), which is the anchor point when the screw pushes down the P-main-rail; rotate pushdown-screw(33) through the pushdown-screw-hole(32) and push into the position-pit(31), push the P-main-rail onto the inner-bottom-plate(235) of the P-auxiliary-rail.

5. A composite-rail according to claim 1, among which, When P-main-rail is I-rail, some of P-auxiliary-rail adopts a split structure, the split structure is split into two halves at the middle line of the inner-bottom-plate(235), and a lap structure is arranged at the joint of the split to quickly splice into one; and the P-auxiliary-rail of the joint position shall adopt integral P-auxiliary-rail. When the P-main-rail is I-rail, P-auxiliary-rail is a channel steel is made of a dovetail groove(20) made of a whole piece of material, the channel steel comprises a bottom-plate(23) and two position-plates(22) symmetrical arranged on the bottom-plate(23), and each position-plates(22) is successively connected into a bending shape by a waist plate(221), a push-plate(222) and a folding-strip(223). The rail-body(10) is enclosed in two position-plates(22) and a dovetail groove(20) which is opened upward and formed with the bottom-plate(23); A vertical pushdown-screw-hole(32) is arranged on the push-plate(222), and the position-pit(31) is arranged at the upper surface of the rail-bottom(13) and the corresponding position of the pushdown-screw-hole(32); When assembling, first, press the position-plates(22) to the direction of rail-body(10) by a screw-nut-assembly(520) arranged on the position-plates(22) and rail-body(10). and the position-plates(22) and the rail-body(10) are pressed together into one body, and then, rotate pushdown-screw(33) through pushdown-screw-hole(32) and press into the position-pit(31), forcing the rail-bottom-undersides(135) to press down on the inner-bottom-plate(235).

6. A composite-rail according to claim 1, among which, When the P-main-rail is T-RAIL, the upper part of the rail-body(10) is defined as rail-waist(12), the lower part is defined as rail-bottom(13), and the P-auxiliary-rail matching with T-RAIL is T-auxiliary-rail. The channel steel is a rectangular channel steel made of a whole piece of material. The channel steel comprises a bottom-plate(23) and two position-plates(22) arranged symmetrically upward on the bottom-plate(23). The rail-body(10) is enclosed in the upward opening position-groove(20) formed with two position-plates(22) and an the bottom-plate(23); The position-plates(22) on both sides of the auxiliary-rail is provided with a pushdown-screw-hole(32) from the outer upper position to the inner lower position; the rail-bottom(13) of the P-main-rail is provided with a position-pit(31) corresponding to the bottom of the pushdown-screw-hole(32); When assembling, first, press the position-plates(22) to the direction of rail-body(10) by a screw-nut-assembly(520) arranged on the position-plates(22) and rail-body(10). and the position-plates(22) and the rail-body(10) are pressed together into one body, and then, rotate pushdown-screw(33) through pushdown-screw-hole(32) and press into the position-pit(31, forcing the rail-bottom-undersides(135) to press down on the inner-bottom-plate(235). Eliminate joint bar defect 2 in Problems group and Realize the ideal track property(1); In addition, T-RAIL composite-rail makes assembly easy, and P-main-rail replacement is convenient.

7. A composite-rail according to claim 6, among which, If the T-rail-body(10) is designed as a trapezoid with narrow upper and wide lower, The width of the notch in T auxiliary-rail's position trough can make the rail-bottom(13) of T-RAIL just inserted downward. The joint part of position-plates(22) and bottom-plate(23) is the root. A root-slit(238) is cut in the root. The root-slit(238) depth is 30% to 70% of the wall thickness of the position-plates(22), When assembling, after the rail-body(10) insert into the position-groove(20) of the T auxiliary-rail, Press the position-plates(22) to the direction of rail-body(10) by a screw-nut-assembly(520) arranged on the position-plates(22) and rail-body(10Because the root is relatively thin, the position-plates(22) will rotate at a small angle with the root as the axis, so that the position-plates(22) will compress the rail-body(10) of T-RAIL tightly, and because the rail-body(10) of T-RAIL is wide at the bottom and narrow at the top, Therefore, downward pressure is formed on the T-RAIL rail-body(10), so that the rail-bottom(13) of the T-RAIL presses down on the bottom-plate(23). of the P-auxiliary-rail Then, rotate pushdown-screw(33) through pushdown-screw-hole(32) and press into the position-pit(31), forcing the rail-bottom-undersides(135) to press down on the inner-bottom-plate (235); When the root-slit(238) is cut on the outside, the root-slit(238) is welded after assembly.

8. A composite-rail according to claim 1, among which, Joint composite rail, which has better performance than composite rail in other positions, includes a P-main-rail, a enhanced P-auxiliary-rail, a enhanced sleeper, a enhanced pushdown-device and a reference plane; The enhanced-P-auxiliary-rail is to replace the traditional joint bar and connect the twin-joints as one, the seam of the P-main-rail is placed in the middle part of the P-auxiliary-rail of the joint position. The sleeper laid directly under the P-auxiliary-rail of the main-rail seam-position is called supported sleeper; By fastening the two by screws, the supported sleeper is synthesized as a part of the P-auxiliary-rail of the joint position to strengthen the flexural rigidity of the P-auxiliary-rail on the seam-position of the P-main-rail; Enhanced sleeper is used to improve the flexural strength of seam-position, and the middle part of the P-auxiliary-rail is set at the corresponding position of seam, and the enhanced sleeper is used to improve the bending strength of the P-auxiliary-rail at this position. The enhanced sleeper is defined as a sleeper laid directly below the P-auxiliary-rail corresponding to seam, and a plurality of screws are used to fasten the P-auxiliary-rail and the sleeper, so that the flexural rigidity of the P-auxiliary-rail corresponding to seam is enhanced; The flexural rigidity of the P-auxiliary-rail corresponding to seam is further enhanced by thickening and broadening the bottom-plate(23) and adopting high flexural rigidity material. The reference plane is the upper surface of the inner-bottom-plate(235) after smoothing processing in the joint-position P-auxiliary-rail, which acts as the reference plane of the twin-joints rail surface. When the twin-joints are pushed aganst the reference plane, The twin-joints can avoid step formation. The base plate in the groove forms the reference plane of the twin-joints rail surface, laying the foundation for eliminating step. The undersides of the twin-joints is smoothed to act as the matching plane of the reference plane. When the twin-joints are pressed in the reference plane, the twin-joints rail surface can avoid step formation. The enhanced pushdown-device includes multiple pairs of high-strength pushdown-device, which reliably pushes the twin-joints on the reference plane to avoid step formation of the twin-joints. in joint composite-rail, step is eliminated and the outside-bottom-plate(233) of P-auxiliary-rail trough is screwed to each sleeper, and elastic cushion plate is laid between P-auxiliary-rail and each sleeper; the position-pit(31) is made into a keyway shape in the direction of the rail.

9. A composite-rail according to claim 1, among which, A short rail type composite-rail, referred to as short-composite-rail,is used to eliminate seam-disease; Each short P-main-rail is only 1/n of the length of the current rail.

10. A composite-rail according to claim 1, among which, The P-main-rail adopts trapezoid joint splicingto eliminate seam-disease;

11. A composite-rail according to claim 1, among which, The P-main-rail is made of high strength material as a whole, and the upper surface of the rail-head(11) is wear-resistant. P-auxiliary-rail adopts high flexural rigidity, cost-effective steel and iron materials and extra heavy duty models to improve the ride of the rail, and becomes a composite structure of composite-rail with high wear resistance and high flexural rigidity property; A composite-rail formed by pushdown the P-main-rail with pushdown-device against the P-auxiliary-rail

Description

DRAWINGS DESCRIPTION

[0105] FIG. 1.1 Cross-section diagram of the I-rail before assembly of the invention;

[0106] FIG. 1.2 Cross-section diagram of the I-rail P-auxiliary-rail before assembly of the invention;

[0107] FIG. 1.3 Cross-section diagram of the I-rail and P-auxiliary-rail after assembly of the invention;

[0108] FIG. 1.4 Cross-section diagram of the V-notch I-rail P-auxiliary-rail before assembly;

[0109] FIG. 2.1 Cross-section diagram of the T word P-main-rail before assembly;

[0110] FIG. 2.2 Cross-section diagram of the P-auxiliary-rail of the T-RAIL of the invention before assembly;

[0111] FIG. 2.3 Cross-section diagram of the T word P-main-rail and P-auxiliary-rail after assembly of the invention;

[0112] FIG. 2.4 Cross-section diagram of the screw assembly pressed rail-waist (12) after assembly of the T word P-main-rail and P-auxiliary-rail;

[0113] FIG. 2.5 Cross-section diagram of the T word P-main-rail and P-auxiliary-rail after assembly of the trapezoidal rail-body (10) of the invention;

[0114] FIG. 3 Schematic diagram of composite-rail 2Jshort-composite-rail of the invention

[0115] FIG. 4 Schematic diagram of the seam converted into a step;

DRAWING NUMBER

[0116] 1P-main-rail (1), [0117] 11rail-head (11); 10rail-body (10),; 12rail-waist (12); 13rail-bottom (13); 135rail-bottom-undersides (135); 136rail-bottom-threaded-hole (136); 18seam (18); [0118] among: P-main-rail(1)=rail-head(11)+rail-body(10), rail-body(10)=rail-waist(12)+rail-bottom(13), [0119] 2P-auxiliary-rail (2), [0120] 20position-groove (20); 22position-plates (22), The P-auxiliary-rail is a special shape channel steel made of a whole material, which is cast into a whole channel steel by the bottom-plate(23) and two symmetrical upward position-plates(22), and the rail-body(10) is enveloped in it. The position-plates(22) is actually a pair of special joint-bar. 221waist plate(221); 222push-plate (222); 223folding-strip(223); 23bottom-plate(23); 233position-groove outside-bottom-plate (referred to as the outside-bottom-plate(233)); 235position-groove inner-bottom-plate (referred to as the inner-bottom-plate(235)); 237connection-hook(237); 238root-slit(238); 28auxiliary-rail-gap(28); 29sleeper(29); [0121] among: P-auxiliary-rail(2)=position-plates(22)+bottom-plate(23)); bottom-plate(23)=outside-bottom-plate(233)+inner-bottom-plate (235), [0122] 3pushdown-device,it is not independently marked in the drawings; [0123] pushdown-device(3)=(31)+pushdown-screw-hole(32)+pushdown-screw (33) [0124] 31Screw-position-pit(31) on P-main-rail, (referred to as position-pit(31)); [0125] 32pushdown-screw-hole(32); on P-auxiliary-rail, (referred to as pushdown-screw-hole(32)); [0126] 33pushdown-screw (33);

[0127] Objects with the first digit of 5 are screws and nuts, including: [0128] 520screw-nut-assembly(520); 530through-hole(530); 33pushdown-screw(33); 534sleeper-screw(534), fastening bottom-plate(23) to sleeper(29), 536pulldown screw(536), to pull bottom-plate(23) down;

[0129] Some well-known symbols are shown in FIG. 4, including: Rwheel radius; dseam width; hthe height at which the wheel falls into the seam(18); vspeed of vehicle;

Embodiment of the Invention

Embodiment 1

[0130] Example 1. Short-rail type I-composite-rail, Used to refurbish existing tracks.

[0131] Used to refurbish existing tracks using the existing I-rail as the main rail, in order to save the cost of reconstruction; The I auxiliary rail that matches the main rail is produced, and pushdown the main rail against the auxiliary rail with a pushdown-device to form a composite rail.

[0132] Example 2. Short-rail T-shaped composite rail for build of new track.

[0133] Build a new track, produce a new T main rail and a T auxiliary rail that matches the main rail, and pushdown the main rail against the auxiliary rail with a pushdown-device to form a composite rail. See Technical Feature 6 for details. A short rail is used to eliminate rail joint diseases, see Technical feature 9 for details.