阅读说明：本技术 自适应管片弧度的盾构电机车编组轨道系统及其施工方法 (Shield electric locomotive marshalling track system self-adapting to duct piece radian and construction method thereof ) 是由 李兆国 鱼志鸿 魏子青 葛晓波 何伟 于 2020-12-04 设计创作，主要内容包括：本发明涉及一种自适应管片弧度的盾构电机车编组轨道系统及其施工方法,其中,轨道系统包括供安装至少二轨道的轨枕,轨枕的底部两侧铰接有至少一对可调节支腿；链板组件,链板组件包括固定于轨枕下方的管片上的链板以及用于一一连接轨枕上的轨道的可调节拉结组件,可调节拉结组件长度可调地连接于链板上。本发明的轨道系统通用性强,周转性好,可灵活调节,受力性能好,同时,结构施工调节操作简单、方便。(The invention relates to a shield electric locomotive marshalling track system adaptive to the radian of a duct piece and a construction method thereof, wherein the track system comprises a sleeper for mounting at least two tracks, and two sides of the bottom of the sleeper are hinged with at least one pair of adjustable supporting legs; the chain plate assembly comprises chain plates fixed on the pipe pieces below the sleepers and adjustable tie assemblies used for connecting the rails on the sleepers one by one, and the adjustable tie assemblies are connected to the chain plates in a length-adjustable mode. The track system has strong universality, good turnover, flexible adjustment and good stress performance, and meanwhile, the structure construction adjustment is simple and convenient to operate.)

1. The utility model provides a shield electric locomotive marshalling track system of self-adaptation section of jurisdiction radian which characterized in that includes:

the sleeper is used for mounting at least two rails, and two sides of the bottom of the sleeper are hinged with at least one pair of adjustable supporting legs;

the chain plate assembly comprises chain plates fixed on the duct pieces below the sleepers and adjustable tie assemblies used for connecting the rails on the sleepers one by one, and the adjustable tie assemblies are connected to the chain plates in a length-adjustable mode.

2. The track structure for a shield mechanical and electrical locomotive consist according to claim 1, wherein the adjustable leg comprises two legs connected in a V-shape, and the joint of the two legs is hinged to the bottom of the sleeper.

3. The shield electric locomotive marshalling track system capable of adapting to the arc degree of the duct piece as claimed in claim 1, wherein said adjustable tie assembly comprises a turn-buckle, a screw at one end of said turn-buckle is connected with said link plate through a connecting piece, and a screw at the other end of said turn-buckle is connected with a bottom flange of said track.

4. The adaptive segment arc shield electric locomotive marshalling track system of claim 3, wherein the connectors comprise iron chains or tension springs.

5. The shield electric locomotive marshalling track system capable of adapting to the arc degree of the duct piece of claim 3, wherein the chain plates are provided with a first through hole and a second through hole, the bolts on the duct piece penetrate through the first through hole to be bolted with the chain plates, and one end of the connecting piece penetrates through the second through hole to be fastened with the chain plates.

6. The shield electric locomotive grouping rail system capable of adapting to the radian of the segments as claimed in claim 1, wherein at least one pair of clamps is further arranged on the sleepers, and each rail is clamped on the sleepers through each clamp.

7. The shield electric locomotive grouping rail system capable of adapting to the radian of the segments as claimed in claim 5, wherein the clamp comprises a pair of slide rails oppositely arranged on sleepers at two sides of the rail, each slide rail is slidably connected with a slide block, one end of each slide block far away from the rail is abutted with a screw rod, the screw rod is in threaded connection with a nut fixedly connected to the sleeper, and when the screw rods at two sides are screwed to abut against one ends of the pair of slide blocks to slide towards the direction close to the rail in the opposite direction, the other ends of the pair of slide blocks are clamped on the rail bottom together.

8. A construction method of a shield electric locomotive marshalling track system capable of self-adapting to the radian of segments is characterized by comprising the following steps:

providing at least two rails and a sleeper, attaching a bottom flange of each rail to the upper surface of the sleeper, and arranging the rails on the top of the sleeper;

providing at least one pair of adjustable supporting legs, hinging the adjustable supporting legs to two sides of the bottom of the sleeper, placing the sleeper on a pipe piece through the adjustable supporting legs, and rotating the adjustable supporting legs relative to the sleeper to the bottom to be attached to the pipe piece according to the intrados of the pipe piece under the action of gravity;

and providing a chain plate assembly which comprises a chain plate and at least two adjustable tie assemblies connected to the chain plate in a length-adjustable manner, fixing the chain plate on the duct piece below the sleeper, connecting the adjustable tie assemblies to the bottom flange of the track one by one, and adjusting the adjustable tie assemblies to tighten and fix the track on the duct piece.

9. The construction method of the shield electric locomotive marshalling track system with the adaptive duct piece radian as claimed in claim 8, wherein each adjustable leg comprises two legs connected in a V shape, and the joint of the two legs is hinged with the bottom of the sleeper;

in the step of placing the tie on the segment of tubing via the adjustable legs, comprising:

hoisting the sleeper to a position to be installed on a duct piece and gradually lowering the sleeper, wherein the lower end of the adjustable supporting leg rotates relative to the sleeper along the intrados after contacting the intrados of the duct piece;

and continuously lowering the sleeper until the bottoms of all the support legs are attached to the intrados.

10. The construction method of the shield electric locomotive grouping track system with the adaptive duct piece radian as recited in claim 8, wherein when the track system sets the rail surface superelevation on the curved section of the track, the length of the adjustable tie assembly is adjusted to make the track system move to fit the intrados of the duct piece, the horizontal distance between the central line of the track and the central line of the tunnel is adjusted, and then the vertical distance between the rail surface of the curved section of the track and the rail surface of the straight section of the track is adjusted to meet the preset superelevation.

Technical Field

The invention relates to the field of shield construction, in particular to a shield electric locomotive marshalling track system adaptive to the radian of segments and a construction method thereof.

Background

At present, shield construction in urban rail transit and municipal engineering in China is widely applied, electric locomotive marshalling is the most applied equipment for shield construction slag tapping and feeding, and the electric locomotive marshalling is operated by depending on a special rail system. The track system mainly comprises: steel ties made of profile steel or other types, rails, tie rods, clamps or clamps for fixing the rails to the ties, support and connection members for fixing the rails to the bottom of the tunnel, etc.

Along with technical development, shield tunnel radius is bigger and bigger, and the section of jurisdiction is corresponding change also, and the unsuitable condition has been exposed gradually to current motor car track system, and its major defect that exists has:

(1) the design steel member of sleeper for making according to specific section of jurisdiction radian is difficult to better adaptation to the section of jurisdiction of different radiuses and radian, and turnover nature, commonality are relatively poor between the different engineering of section of jurisdiction size.

(2) The spacing between the steel rails is not adjustable due to the form of the rail pressing plates and the clamps, and the electric locomotive marshalling compartments with different gauges are not universal and can not be circulated.

(3) The method for fixing the track and the duct piece by means of the drawknot is not reasonable enough, the two ends of the steel bars are generally welded on the sleeper and the duct piece bolts on the two sides at present to be reinforced in a mode, the drawknot steel bars cannot effectively tension the track on the duct piece under the influence of the positions of the bolt holes, and the track is prone to horizontal displacement and longitudinal warping.

Therefore, a more adaptable track structure is required to cope with problems in actual construction.

Disclosure of Invention

The invention aims to overcome the technical defects and provides a shield electric locomotive marshalling track system adaptive to the radian of pipe pieces and a construction method thereof, which can be used for shield tunnel pipe pieces with different inner diameters and radians, have strong universality and good turnover, and meanwhile, the adjustable tie assembly can be matched with a sleeper for flexible adjustment while ensuring the tensioning and fixing performance, so that the stress system is more reasonable, the deformation and the stress performance are better, and the whole track system is simple and convenient in construction and adjustment operation.

The technical scheme for realizing the purpose is as follows:

the invention provides a shield electric locomotive marshalling track system capable of self-adapting to the radian of segments, which comprises:

the sleeper is used for mounting at least two rails, and two sides of the bottom of the sleeper are hinged with at least one pair of adjustable supporting legs;

the chain plate assembly comprises chain plates fixed on the duct pieces below the sleepers and adjustable tie assemblies used for connecting the rails on the sleepers one by one, and the adjustable tie assemblies are connected to the chain plates in a length-adjustable mode.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that the adjustable supporting legs comprise two supporting legs which are connected in a V shape, and the joint of the two supporting legs is hinged with the bottom of the sleeper.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that the adjustable tie component comprises a turn buckle, a screw at one end of the turn buckle is connected with the chain plate through a connecting piece, and a screw at the other end of the turn buckle is connected with a bottom flange of the track.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that the connecting piece comprises an iron chain or a tension spring.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that the chain plate is provided with a first through hole and a second through hole, a bolt on the duct piece penetrates through the first through hole to be bolted with the chain plate, and one end of the connecting piece penetrates through the second through hole to be fastened with the chain plate.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that at least one pair of clamps is arranged on the sleeper, and each track is clamped on the sleeper through each clamp.

The shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that the clamp comprises a pair of slide rails which are oppositely arranged on sleepers on two sides of the track, a slide block is connected in each slide rail in a sliding mode, one end, far away from the track, of each slide block is provided with a screw rod in a supporting mode, the screw rods are in threaded connection with nuts fixedly connected to the sleepers, and when the screws on two sides are screwed to support one ends of the pair of slide blocks to slide towards the direction close to the track in the opposite mode, the other ends of the pair of slide blocks are clamped on the track bottoms together.

The invention also provides a construction method of the shield electric locomotive marshalling track system self-adapting to the radian of the duct piece, which is characterized by comprising the following steps of:

providing at least two rails and a sleeper, attaching a bottom flange of each rail to the upper surface of the sleeper, and arranging the rails on the top of the sleeper;

providing at least one pair of adjustable supporting legs, hinging the adjustable supporting legs to two sides of the bottom of the sleeper, placing the sleeper on a pipe piece through the adjustable supporting legs, and rotating the adjustable supporting legs relative to the sleeper to the bottom to be attached to the pipe piece according to the intrados of the pipe piece under the action of gravity;

and providing a chain plate assembly which comprises a chain plate and at least two adjustable tie assemblies connected to the chain plate in a length-adjustable manner, fixing the chain plate on the duct piece below the sleeper, connecting the adjustable tie assemblies to the bottom flange of the track one by one, and adjusting the adjustable tie assemblies to tighten and fix the track on the duct piece.

The construction method of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that each adjustable supporting leg comprises two supporting legs which are connected in a V shape, and the joint of the two supporting legs is hinged with the bottom of the sleeper;

in the step of placing the tie on the segment of tubing via the adjustable legs, comprising:

hoisting the sleeper to a position to be installed on a duct piece and gradually lowering the sleeper, wherein the lower end of the adjustable supporting leg rotates relative to the sleeper along the intrados after contacting the intrados of the duct piece;

and continuously lowering the sleeper until the bottoms of all the support legs are attached to the intrados.

The construction method of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian is further improved in that when the track system is provided with a track surface superelevation in a track curve section, the length of the adjustable tie component is adjusted to enable the track system to be attached to the inner arc surface of the duct piece to move, the transverse distance of the central line of the track to deviate from the central line of the tunnel is adjusted, and then the vertical distance between the track surface of the track curve section and the track surface of the track straight section is adjusted to meet the preset superelevation.

The shield electric locomotive marshalling track system adaptive to the radian of the duct piece and the construction method thereof have the beneficial effects that:

the adjustable support legs hinged to the sleepers enable the track structure to be used for shield tunnel segments with different radians, the universality is strong, the turnover is good, meanwhile, the adjustable tie assembly can be matched with the sleepers to be flexibly adjusted while the tie fixing tracks are guaranteed to be fastened, the stress system is more reasonable, the deformation and the stress performance are better, and the whole track system is simple and convenient to construct and adjust.

Furthermore, the track space can be adjusted through the clamp, so that the track space is suitable for being universal among electric locomotive marshalling groups with different track gauges, and the turnover performance of a track system is improved.

Drawings

Fig. 1 is a schematic structural diagram of a shield electric locomotive marshalling track system adaptive to the radian of segments.

Fig. 2 is a flow chart of steps of the construction method of the shield electric locomotive marshalling track system adaptive to the radian of the duct piece.

Fig. 3 is a schematic structural diagram of a track arranged on a sleeper in the construction method of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian.

Fig. 4 is a schematic structural diagram of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian, wherein adjustable supporting legs are hinged to sleepers and then are placed on duct pieces in the construction method.

Fig. 5 is a schematic structural diagram of a clamp for clamping a track in the construction method of the shield electric locomotive marshalling track system adaptive to the radian of the duct piece.

Fig. 6 is a schematic structural diagram of a shield electric locomotive marshalling track system using a tension spring as a connecting piece in the construction method of the shield electric locomotive marshalling track system adaptive to the radian of the duct piece.

Fig. 7 is a schematic structural diagram of a shield electric locomotive marshalling track system with adaptive duct piece radian, in which a track curve segment is set with a track surface superelevation.

Reference numerals:

1-rail, 2-sleeper, 3-link plate assembly, 31-link plate, 32-adjustable tie assembly, 32-connecting piece, 322-turnbuckle, 4-clamp, 41-sliding rail, 42-sliding block, 43-screw, 44-nut, 5-first through hole, 6-second through hole, 7-segment, 8-adjustable supporting leg, A1-tunnel center line, A2-rail center line, B1-rail straight-line section rail surface, B2-rail curved-line section rail surface, x-transverse spacing and h-vertical spacing.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Example one

Referring to fig. 1, the present invention provides a shield electric locomotive marshalling track system adaptive to a segment radian, comprising:

the sleeper 2 is used for mounting at least two rails 1, and two sides of the bottom of the sleeper 2 are hinged with at least one pair of adjustable supporting legs 8;

as a preferred embodiment of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian, the sleeper 2 is composed of steel components, the upper surface of the sleeper 2 is horizontal, two sides of the lower surface of the sleeper 2 comprise two convex parts, each convex part is provided with a through hole, correspondingly, the shield electric locomotive marshalling track system also comprises a pair of adjustable supporting legs 8, each adjustable supporting leg 8 comprises two supporting legs which are connected in a V shape, the joint of the two supporting legs is also provided with a through hole, the through holes correspondingly penetrate through the through holes at the joint of the sleeper 2 and the two supporting legs through pin shafts and are fixed, so that the adjustable supporting legs 8 are hinged at two sides of the bottom of the sleeper 2, of course, the adjustable supporting legs 8 can be hinged at the bottom of the sleeper 2 in other modes, it needs to be explained that the structural strength of the adjustable supporting legs 8 and the structural strength at the hinged parts of, in other embodiments, the number of adjustable legs 8 may be more than two to better support the tie 2.

The chain plate assembly 3 comprises chain plates 31 fixedly connected to the pipe pieces 7 below the sleepers 2 and adjustable tie assemblies 32 used for connecting the rails 1 on the sleepers 2 one by one, and the adjustable tie assemblies 32 are connected to the chain plates 3 in a length-adjustable mode.

As a preferred embodiment of the shield electric locomotive marshalling track system with adaptive segment radian according to the present invention, the adjustable tie assembly 32 comprises a turn-buckle 322, the screw at one end of the turn-buckle 322 is connected to the link plate 31 through a connecting member 32, and the screw at the other end of the turn-buckle 322 is connected to the bottom flange of the track 1, specifically, the turn-buckle 322 is a structure commonly used in engineering, i.e. the end of the screw at one end is ring-shaped, the end of the screw at the other end is hook-shaped, the connecting member 32 can be an iron chain, of course, when considering the tensioning device has better flexibility to adapt to a small amount of deformation of the track 1, the iron chain can be replaced by a tension spring, the track 1 is a commonly used i-shaped structure including the head flange, the rail waist and the bottom flange of the track, when the connecting member 32 is an iron chain, the ring portion at one end of the iron chain is fastened to the, when the connecting member 32 is a tension spring, the hook of one end of the tension spring is hooked to the ring of the screw at one end of the turn buckle 322, so that the connecting member 32 is connected to the turn buckle 322, and the hook of the screw at the other end of the turn buckle 322 is hooked to the bottom flange of the rail 1.

In this embodiment, the chain plate 31 is provided with a first through hole 5 and a second through hole 6, the bolt of the tube piece 7 passes through the first through hole 5 and is bolted with the chain plate 31, one end of the connecting member 32 passes through the second through hole 6 and is fastened with the chain plate 31, specifically, the chain plate 31 is a triangular steel plate, preferably, an isosceles triangle, the vertex angle of the chain plate is provided with the first through hole 5, the diameter of the first through hole 5 is equivalent to the diameter of the bolt of the tube piece 7, the bolt of the tube piece 7 passes through the first through hole, the nut is screwed on the bolt of the tube piece 7 and is screwed, so that the chain plate 31 is bolted with the tube piece, it should be noted that, when the tube piece bolt is screwed, the vertex angle part of the chain plate 31 is clamped in the groove for arranging the bolt of the tube piece 7, preferably, the chain plate 31 is in a shape of a reverse triangle, the base angles at two sides are symmetrical to both sides, when connecting piece 32 chose for use the iron chain, with the ring portion lock of the iron chain other end in second through-hole 6, perhaps, when connecting piece 32 chose for use the extension spring, collude the hook portion of the extension spring other end and connect in second through-hole 6, through bolting link joint 31 in section of jurisdiction 7, thereby turn buckle bolt 322 colludes in the bottom edge of a wing of track 1 and connects track 1, connect through connecting piece 32 between link joint 31 and turn buckle bolt 322 and form holistic link joint subassembly 3, adjust the elasticity of screw between the turn buckle bolt 322 and can adjust the length of whole link joint subassembly 3, realized can draw the purpose of fastening fixed track 1 also can cooperate sleeper 2 to adjust in a flexible way. As a preferred embodiment of the shield electric locomotive marshalling track system with the self-adaptive duct piece radian, at least one pair of clamps 4 is further arranged on the sleeper 2, and each track 1 is clamped on the sleeper 2 through each clamp 4. Specifically, the clamp 4 includes a pair of slide rails 42 oppositely disposed on the sleepers 2 on both sides of the track 1, a slide block 41 is slidably connected in each slide rail 42, a screw 43 is disposed on one end of the slide block 41 away from the track 1, the screw 43 is screwed with a nut 44 fixedly connected to the sleepers 2, in this embodiment, the slide rail 42 is a rectangular block, in which a sliding slot for accommodating the slide block 41 is formed, flanges are protruded on both sides of the lower portion of the slide block 41, the slide block 41 is clamped in the sliding slot through the flanges on both sides and can slide toward the direction close to the track 1 or away from the track 1, one side of the slide block 41 close to the track 1 is a conical block, the head of the conical block is protruded and extended to the outer side of the slide block 41 to a certain height from the bottom of the sleepers 2, one side of the slide block 41 away from the track 1 is a planar wall, the end of one end of the screw 43 is abutted to the planar, it should be noted that, when the sliding block 41 slides in the sliding rail 42, the sliding block 41 is always connected with the sliding rail 42, the height of the head of the conical block of the sliding block 41 from the sleeper 2 is between the maximum thickness and the minimum thickness of the bottom flange of the rail 1, when the two side screws 43 are screwed to abut against the planar walls of the pair of sliding blocks 41 and slide towards the direction close to the rail 1, the heads of the conical blocks of the pair of sliding blocks 41 are clamped on the sleeper 2 together, it can be understood that the bottom flange of the rail 1 is equivalent to the gap of the wedge pin structure pin tightly between the heads of the conical blocks of the sliding block 41 and the sleeper 2, and the head of the conical block of the sliding block 41 is equivalent to the pressing plate of the fastener and can be clamped on the bottom flange of the fastening rail 1, so as to meet. Of course, when the screws 43 on both sides are screwed to move away from the track 1, the slider 41 can slide in the direction away from the track 1 to loosen the clamping of the track 1 for corresponding adjustment, or the displacement of the slider 41 can be adjusted directly by rotating the adjusting screw 43 in the clamping state without loosening the slider 41, so as to further control the track gauge between a pair of tracks 1, and when a plurality of pairs of tracks 1 exist, a plurality of pairs of clamps 4 can be correspondingly arranged to adapt to the universality among electric locomotive marshalling groups with different track gauges, thereby increasing the turnover performance of the track system.

Example two

Referring to fig. 2, a flow chart showing steps of the construction method of the shield electric locomotive marshalling track system adaptive to the arc of the duct piece according to the present invention is shown, and referring to fig. 3 to 7, the present invention further provides a construction method of the shield electric locomotive marshalling track system adaptive to the arc of the duct piece, including:

providing at least two rails 1 and sleepers 2, attaching the bottom flanges of the rails 1 to the upper surfaces of the sleepers 2, and arranging the rails 1 on the tops of the sleepers 2.

Referring to fig. 3, as a preferred embodiment of the construction method of the shield electric locomotive grouping track system with adaptive segment radian according to the present invention, the number of the tracks 1 is two, and preferably, the two tracks 1 are symmetrically arranged on the top of the sleeper 2, and the tracks 1 can be fastened to the sleeper 2 by a common intermediate coupling part (not shown) to stabilize the tracks 1.

Referring to fig. 4, in this embodiment, preferably, when the rail 1 is disposed on the top of the sleeper 2, at least one pair of clamps 4 as in the first embodiment may be provided, a pair of slide rails 41 are oppositely disposed on both sides of the rail 1 and welded on the sleeper 2, preferably, the slide rails 41 are symmetrically disposed, a pair of nuts 44 are oppositely welded on the sleepers on both sides of the rail 1, it should be noted that the nuts 44 are disposed at a position farther from the rail 1 than the slide rails 41, so as to leave a space for the screw 43 to abut against the slider 42, the screw 43 is correspondingly screwed into each nut 44, and the screw 43 is tightened to abut against one end of the screw and push the slider 42 to relatively slide in a direction close to the rail 1 until one end of the slider 42 clamps the bottom of the rail 1 and stops on the sleeper 2.

Of course, when the screws 43 on both sides are screwed to move away from the track 1, the slider 41 can slide in the direction away from the track 1 to loosen the clamping of the track 1 for corresponding adjustment, or the displacement of the slider 41 can be adjusted directly by adjusting the screwing length of the screw 43 in the clamping state without loosening the slider 41, so as to further control the track gauge between a pair of tracks 1, and when a plurality of pairs of tracks 1 exist, a plurality of pairs of clamps 4 can be correspondingly arranged to adapt to the common use between the electric locomotive marshalls with different track gauges.

At least one pair of adjustable supporting legs 8 are provided, the adjustable supporting legs 8 are hinged to two sides of the bottom of the sleeper 2, the sleeper 2 is placed on the duct piece 7 through the adjustable supporting legs 8, and under the action of gravity, the adjustable supporting legs 8 rotate to the bottom and are attached to the duct piece 7 according to the relative sleeper 2 with the intrados of the duct piece 7.

Referring to fig. 5, as a preferred embodiment of the construction method of the shield electric locomotive marshalling track system with the adaptive duct piece radian according to the present invention, the number of the adjustable legs 8 is two, preferably, the adjustable legs 8 are symmetrically hinged to the bottom of the sleeper 2 to increase the stability of the sleeper 2, the adjustable legs 8 comprise two legs connected in a V shape, and the lower surface of the sleeper 2 is symmetrically provided with two protrusions, in this embodiment, after the sleepers 2 having the above structure are provided, a through hole is respectively formed on the protrusion below each sleeper 2, a through hole is formed at the connection of the two legs of the adjustable legs 8, a pair of pins (not shown) are provided, the pins penetrate through the through holes at the connection of the sleeper 2 and the two legs and are fixed, so that the adjustable legs 8 are hinged to both sides of the bottom of the sleeper 2,

in the step of placing the tie 2 on the segment 9 by means of the adjustable legs 8, it comprises: hoisting sleeper 2 to treating the mounted position on the section of jurisdiction 9 and transferring sleeper 2 gradually, the lower extreme of adjustable landing leg 8 is rotatory for sleeper 2 along the intrados behind the contact section of jurisdiction 9 intrados, continues to transfer sleeper 2, and the bottom until all stabilizer blades all laminates with the intrados mutually. And then, the subsequent steps are continuously executed, the adjustable supporting legs 8 are hinged to the bottom of the sleeper 2 and are adjusted according to the radian adaptability of the pipe piece 7 so as to support the sleeper 2, the use requirements of the track system on the shield tunnel pipe pieces 7 with different radians are met, and the device is high in universality and good in turnover.

Providing a chain plate assembly 3 which comprises a chain plate 31 and at least two adjustable tie assemblies 32 connected to the chain plate in a length-adjustable manner, fixing the chain plate 31 on the segment 7 below the sleeper 2, connecting the adjustable tie assemblies 32 to the bottom flanges of the rails 1 one by one, and adjusting the adjustable tie assemblies 32 to tighten and fix the rails 1 on the segment 7.

Referring to fig. 1 or fig. 6, as a preferred embodiment of the construction method of the shield electric locomotive marshalling track system with adaptive segment curvature according to the present invention, in step S3, a chain plate assembly 3 as in the first embodiment may be provided, a bolt on the segment 7 is bolted to the chain plate 31 through the first through hole 5, one end of the connecting member 32 is fastened to the chain plate 31 through the second through hole 6, a screw at one end of the spline 322 is connected to the other end of the connecting member 32, a screw at the other end of the spline 322 is connected to the bottom flange of the track 1, screws at both ends of the spline 322 are tightened, and the track 1 is fastened to the segment 7. It should be noted that the connecting member 32 may be an iron chain, of course, when considering that the tensioning device has better flexibility to adapt to a small amount of deformation of the track 1, the iron chain may be replaced by a tension spring, and with reference to fig. 1, when the connecting member 32 selects an iron chain, the ring portion at one end of the iron chain is fastened to the ring portion of the screw at one end of the turn buckle 322, or, with reference to fig. 6, when the connecting member 32 selects an tension spring, the hook portion at one end of the tension spring is fastened to the ring portion of the screw at one end of the turn buckle 322, so as to connect the connecting member 32 and the turn buckle 322.

Referring to fig. 7, as a preferred embodiment of the construction method of the shield electric locomotive grouping track system with adaptive duct piece radian of the present invention, when the track system sets a rail surface superelevation on the curved section of the track 1, the length of the adjustable tie assembly 32 is adjusted to make the track system move to fit the inner arc surface of the duct piece 7, the transverse distance x of the track center line a2 offset from the tunnel center line a1 is adjusted, and further the vertical distance h between the rail surface B2 of the curved section of the track and the rail surface B1 of the straight section of the track is adjusted to meet the preset superelevation. Specifically, with reference to fig. 7, when the adjustable tie assembly 32 is selected as the first embodiment, the length of the adjustable tie assembly can be increased by adjusting the screw of the turn buckle 322 on one side, the position of the adjustable support leg 8 on the other side is controlled to be unchanged, the sleeper 2 is rotated by a certain angle around the adjustable support leg 8 on the other side, the adjustable support leg 8 on the same side as the turn buckle 322 on one side moves along the inner arc surface, so that the center line of the track is adjusted to deviate from the transverse distance x of the center line of the tunnel, and then the vertical distance h between the track surface of the curved section of the track and the track surface of the straight section of the track is adjusted, until h is consistent with a preset ultrahigh value, the turn buckle 322 is fastened again to fix the track system, of course, the adjustable support legs 8 on both sides can be adjusted to move in the same direction along the inner arc.

In conclusion, the adjustable support legs 8 hinged to the sleepers 2 enable the track 1 structure to be used for shield tunnel segments 7 with different inner diameters and radians, the universality is strong, the turnover is good, meanwhile, the adjustable tie assemblies 32 can be matched with the sleepers 2 to be flexibly adjusted while the track 1 is fixedly fastened through tensioning, so that the stress system is more reasonable, the deformation and the stress performance are better, and the whole track system is simple and convenient to construct and adjust.

Furthermore, the distance between the tracks 1 can be adjusted through the clamp 4, so that the universal rail system is suitable for being used between electric locomotive marshalling groups with different track gauges, and the turnover performance of the rail system is improved.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.