Long rail transport train automatic rail collecting system and method

Abstract

The application discloses a long steel rail transport vehicle group automatic rail collecting system, which comprises foldable imitation rail connecting rods arranged from back to front in a working tail car, a lifting rail collecting trolley, foldable pulling connecting rods, a receiving rail trolley and a control mechanism, the foldable imitation rail connecting rods and the foldable pulling connecting rods are symmetrically arranged left and right, the foldable pulling connecting rods are connected with the lifting rail collecting trolley and the receiving rail trolley, and the application further provides a long steel rail transport vehicle group automatic rail collecting method, which comprises the following steps: step S1, the foldable imitation rail connecting rods are placed on rails through the control mechanism; step S2, the lifting rail collecting trolley is pushed to move to the unfolded foldable imitation rail connecting rods; step S3, the lifting rail collecting trolley synchronously drives the receiving rail trolley to move to the rails; step S4, the heart steel rail is collected; and step S5, the ballast shoulder steel rails on both sides are collected, and the application has the advantages of high flexibility, wide application range, simple operation, convenience, safe operation guarantee and design steps being closely linked.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of long rail collecting, and particularly relates to a long rail transport vehicle group automatic rail collecting system and method. BACKGROUND

[0002] At present, the long rail collecting method is that the train is opened to the specified section, the whole process adopts the manual construction of the trolley to lower the track and manually carries the connecting rod, then the connecting rod is manually connected, the rail collecting shuttle head and the track clamping iron are clamped on the to-be-collected rail, the ground rail is lifted by the rail lifting device, the rail head is manually aligned with the rail collecting guide groove on the rail collecting trolley, and the whole process is manually operated, so that the following defects exist: 1) the rail collecting trolley can only collect the old rail parked in the track center, and if the old rail is parked outside the track, that is, the ballast shoulder, the rail collecting operation cannot be performed; 2) the connecting rod needs to be manually carried, which is time-consuming and laborious, the degree of automation is low, and the efficiency of the rail collecting trolley in and out of the track is low; 3) the rail lifting device needs to be manually carried to lift the rail, and the rail lifting device needs to be timely removed at the beginning of the shovel collecting rail, and the operation has a safety risk. SUMMARY

[0003] The present application aims to provide a long rail transport vehicle group automatic rail collecting system and method, which has a high degree of automation, can shovel and collect the track center rail and the ballast shoulder rail, and solves the problems that the manual construction of the trolley to lower the track, the manual carrying of the connecting rod, the manual alignment of the rail head with the rail collecting guide groove on the rail collecting trolley, the time-consuming and laborious operation, the low degree of automation, the low efficiency of the rail collecting trolley in and out of the track, and the problem that only the track center rail can be collected.

[0004] To achieve the above object, the present application provides a long steel rail transport vehicle group automatic rail collecting system, which comprises foldable rail-imitating connecting rods arranged from back to front in a work tail car, a lifting rail collecting trolley, foldable pulling connecting rods, a receiving rail trolley and a control mechanism, the foldable rail-imitating connecting rods and the foldable pulling connecting rods are symmetrically arranged and are in a folded state when stored in the work tail car, the foldable pulling connecting rods are connected with the lifting rail collecting trolley and the receiving rail trolley, the foldable rail-imitating connecting rods and the foldable pulling connecting rods each comprise two sections of front and rear hinged main rods, arc-shaped connecting blocks respectively hinged to corresponding sides of the two sections of main rods at top ends and folding driving mechanisms for driving the main rods to fold or unfold, a width adjusting oil cylinder is hinged between the two foldable rail-imitating connecting rods, so that the two unfolded foldable rail-imitating connecting rods are converted between the two states of being parallel to the rail or being converged at the rear end, the lifting rail collecting trolley comprises a movable lifting base, a suspension mechanism arranged in the middle of the movable lifting base, a lifting rail collecting guide groove installed on the movable lifting base and extending obliquely downward toward the rear and a trolley anti-overturning mechanism symmetrically installed on the front side of the movable lifting base, the lifting rail collecting guide groove comprises outwardly expanding outer lifting rail guide grooves and a centrally arranged middle lifting rail guide groove, the receiving rail trolley comprises a movable receiving base, receiving rail guide grooves installed side by side on the rear part of the movable receiving base and extending obliquely downward toward the rear, a battery box arranged on the front part of the movable receiving base and an electric control box arranged on the right side of the movable receiving base, the receiving rail guide grooves comprise a middle receiving guide groove and outwardly expanding outer receiving guide grooves arranged on the left and right sides of the middle receiving guide groove.

[0005] As a preferred embodiment of the above-mentioned scheme, the arc-shaped connecting blocks are formed by hinging half-elliptical arc block bottom ends symmetrically, the folding driving mechanisms are respectively hinged to the front section of main rod and the bottom end of arc-shaped connecting block at the front and rear ends, so that when the folding driving mechanisms are extended or retracted, the two sections of main rods are folded or unfolded through the arc-shaped connecting blocks, the front end of the foldable rail-imitating connecting rod is provided with a bent connecting lug for lapping with an end beam in the work tail car, the front part of the foldable rail-imitating connecting rod is hinged to the lifting driving oil cylinder with the bottom plate of the work tail car, and the rear part is provided with a supporting foot, the lifting driving oil cylinder can make the folded foldable rail-imitating connecting rod stand up or make the unfolded foldable rail-imitating connecting rod fall down through extension and retraction, and the design structure is delicate, ingenious and stable.

[0006] Further preferably, the front end of the movable receiving base is provided with an elongated connecting seat, the rear end is provided with movable connecting seats at the left and right corners, and the movable receiving base is symmetrically installed with rollers at the bottom, vertical rollers are arranged at the left and right of the narrow mouth of the front end of the middle receiving guide groove and the outer receiving guide grooves, slide groove plates are installed above and below the vertical rollers at the outermost side, and the vertical rollers are moved along the horizontal moving slide through bolt pushing and pulling, and the front end of the receiving rail guide groove is adjacent to a receiving double roller matched in width, so that the steel rails are conveniently collected from the receiving rail guide groove to the long steel rail transport vehicle group, and the design structure is closely connected.

[0007] Further preferably, the movable receiving chassis and the rear end of the movable lifting chassis are symmetrically installed with the anti-derailing guide wheel assembly of the pressure rail, the anti-derailing guide wheel assembly comprises a guide wheel installation box, a spring installation column, a spring and a guide wheel, the bottom of the guide wheel installation box is open, the inner cavity of the guide wheel installation box is provided with two layers of partitions, the spring installation column passes through the center of the partition, the bottom of the spring installation column is installed with the guide wheel, the middle part between the upper and lower layers of partitions is sleeved with the spring, and the top of the spring installation column is installed with a spring limiting strip after passing through the upper layer of partitions, the bottom of the spring is abutted against the top installation end of the guide wheel, the guide wheel installation box is provided with an installation branch plate close to the side wall of the movable receiving chassis, and the guide wheel is pressed against the track through the spring effect, so that the anti-derailing effect is achieved, and the design is reasonable.

[0008] Further preferably, the front end narrow opening of the outer side lifting rail guide groove and the intermediate lifting rail guide groove is provided with vertically symmetrical vertical limiting anti-tumbling wheels, and the rear end of the outer side lifting rail guide groove and the intermediate lifting rail guide groove is adjacent to the lifting rail double roller assembly matched with the width thereof, so that the track transportation deviation from the original path in the track collecting process is effectively avoided, and the design is reasonable.

[0009] Further preferably, the movable lifting chassis is provided with a center installation connecting seat at the front end, and is symmetrically installed with a moving roller at the bottom, the suspension mechanism comprises a suspension installation seat installed in the middle of the movable lifting chassis, a rotatable suspension boom installed at the top of the suspension installation seat and a liftable rail clamp sliding along the bottom of the rotatable suspension boom, the rotatable suspension boom is provided with a rotating drive motor, so that the rotating to the corresponding angle is realized to grab the heart rail or the ballast shoulder rail, and the design structure is reasonable.

[0010] Further preferably, the trolley anti-tumbling mechanism comprises an anti-tumbling installation plate, a rail locking hook arm and an anti-tumbling drive electric cylinder, the anti-tumbling installation plate is fixed on the movable lifting chassis, the rail locking hook arm is outwardly expanded in a semicircular arc shape from top to bottom as a whole, then straight downward, and the bottom is inwardly provided with a contact roller, the anti-tumbling drive electric cylinder is hingedly installed with an arc-shaped connecting rod at the telescopic end, the bottom end of the arc-shaped connecting rod is fixedly connected with the top of the hinged rail locking hook arm, and the bottom end fixed connection point of the arc-shaped connecting rod is rotatably installed on the anti-tumbling installation plate, when the telescopic end of the anti-tumbling drive electric cylinder is telescoped, the rail locking hook arm is synchronously driven to rotate to abut against or away from the track through the arc-shaped connecting rod, the structure is ring by ring, and the anti-tumbling function is realized.

[0011] The application also provides a long rail transportation vehicle group automatic track collecting method, comprising the following steps:

[0012] Step S1, adopting the long rail transportation vehicle group automatic track collecting system, the foldable rail-imitating connecting rod is placed on the track through the control mechanism;

[0013] Step S2, through the control mechanism, the two ends are connected to lift the track collecting trolley, the foldable pulling link is unfolded to a height lower than the height of the work trailer compartment outlet, and the lifting track collecting trolley is pushed to move to the unfolded foldable track simulating link;

[0014] Step S3, start the winch and control the lifting speed of the track collecting trolley through the winch, the track collecting trolley is driven by the foldable pulling link to move the receiving track trolley to the track on the foldable track simulating link from the work trailer, and the foldable track simulating link is adjusted to the rear end after being lifted from the track surface and is connected to the front end of the receiving track trolley through the control mechanism;

[0015] Step S4, collect the heart rail, grab the heart rail through the suspension mechanism, then completely unfold the foldable pulling link through the control mechanism, so as to push the lifting track collecting trolley to move along the track to the middle lifting track guide groove below the heart rail, then lower the heart rail to place on the middle lifting track guide groove, and the long rail transport vehicle group retreats to start collecting the rails;

[0016] Step S5, collect the ballast shoulder rails on both sides, completely unfold the foldable pulling link through the control mechanism, grab one side of the ballast shoulder rail through the suspension mechanism, then rotate and place the ballast shoulder rail on the corresponding outside lifting track guide groove, then the long rail transport vehicle group retreats to start collecting the rails, and the operation of collecting the rails on the other side is the same.

[0017] As a preferred embodiment of the above scheme, it further includes step S6, after the collection of the rails is completed, the foldable pulling link is half-folded, the rear end of the foldable track simulating link is placed on the track in parallel through the control mechanism, then the winch is started to pull the receiving track trolley and the lifting track collecting trolley back to the work trailer, the foldable pulling link is completely folded, the folded track simulating link is controlled to be folded into the work trailer through the control mechanism, and the equipment recovery is completed.

[0018] Further preferably, in step S1, the foldable track simulating link should be unfolded by 45°-60° before being lowered, and the center of gravity is adjusted to be stable; in step S2, the foldable pulling link is unfolded to a height lower than the height of the work trailer compartment outlet, and the unfolding angle is set to 100°-120°, which is reasonable.

[0019] The beneficial effects of the present application are as follows:

[0020] (1) Compared with the current manual construction of the trolley, manual handling of the link, and manual alignment of the rail head and the rail collecting guide groove on the track collecting trolley, the long rail transport vehicle group automatic rail collecting system is used for full-automatic control, which effectively saves manpower and resources, shortens the rail collecting period, reduces the task amount of the workers, and collects the rails efficiently and accurately. The heart rail and the ballast shoulder rail can be collected by the long rail transport vehicle group automatic rail collecting system, which is flexible, has a wide application range, and is easy to operate.

[0021] (2)The new rail collecting operation mode is adopted, which comprises foldable imitative rail link, foldable pulling link, lifting rail collecting trolley and receiving rail collecting trolley. The foldable imitative rail link and the foldable pulling link are remotely controlled and do not need manual disassembling and assembling. The foldable pulling link is used to connect the lifting rail collecting trolley and the receiving rail collecting trolley, so that the distance between the two trolleys can be adjusted. The suspension mechanism is arranged on the lifting rail collecting trolley to replace the existing rail lifting device, which is convenient, safe and easy to operate.

[0022] (3)The foldable imitative rail link is first unfolded, and the rear end of the foldable imitative rail link is rested on the rail to provide the falling rail for the receiving rail collecting trolley. The initial driving force for the movement of the lifting rail collecting trolley is provided by the extension of the foldable pulling link. Then, the lifting rail collecting trolley falls on the rail by its own gravity. The design steps are connected with each other, and the design is ingenious. The outer lifting rail guide groove and the middle lifting rail guide groove are arranged to collect the rail and the ballast shoulder rail, respectively, and the steps are reasonable.

[0023] In summary, the present application has the advantages of high flexibility, wide application range, simple operation, convenience, safety, and reasonable design steps. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 FIG. 1 is a structural schematic diagram of the automatic rail collecting system for the long rail transport vehicle group.

[0025] Figure 2 FIG. 5 is a structural schematic diagram of the lifting rail collecting trolley receiving the receiving rail collecting trolley falling on the rail.

[0026] Figure 3 FIG. 6 is a structural schematic diagram of the foldable imitative rail link.

[0027] Figure 4 FIG. 7 is a structural schematic diagram of the foldable pulling link (left diagram is an unfolded schematic diagram, and right diagram is a folded schematic diagram).

[0028] Figure 5 FIG. 8 is a front view of the receiving rail collecting trolley.

[0029] Figure 6 FIG. 9 is a top view of Figure 5 .

[0030] Figure 7 FIG. 10 is a structural schematic diagram of the outermost vertical roller.

[0031] Figure 8 FIG. 11 is a front view of the lifting rail collecting trolley (the suspension mechanism is not shown).

[0032] Figure 9 FIG. 12 is a top view of Figure 8 .

[0033] Figure 10 FIG. 13 is a schematic diagram of the suspension mechanism.

[0034] Figure 11 It is a structure diagram of the trolley anti-overturning mechanism.

[0035] Figure 12 It is a structure diagram of the anti-derailing guide wheel assembly.

[0036] Figure 13 It is a schematic diagram of step S3 in the long rail transport vehicle group automatic rail collecting method (the upper drawing is a front view, and the lower drawing is a top view).

[0037] Figure 14 It is a schematic diagram of step S4 in the long rail transport vehicle group automatic rail collecting method (the upper drawing is a front view, and the lower drawing is a top view).

[0038] Figure 15 It is a schematic diagram of step S5 in the long rail transport vehicle group automatic rail collecting method (the upper drawing is a front view, and the lower drawing is a top view). DETAILED DESCRIPTION

[0039] The application will be further described below by examples and in conjunction with the drawings:

[0040] As shown in conjunction with Figure 1 — Figure 15 A long rail transport vehicle group automatic rail collecting system, which is composed of a foldable rail-imitating connecting rod 1 arranged from back to front in a work tail car A, a lifting rail collecting trolley 4, a foldable pulling connecting rod 3, a receiving rail collecting trolley 2 and a control mechanism.

[0041] The foldable rail-imitating connecting rod 1 and the foldable pulling connecting rod 3 are symmetrically arranged left and right and are in a folded state when stored in the work tail car A.

[0042] The foldable pulling connecting rod 3 connects the lifting rail collecting trolley 4 and the receiving rail collecting trolley 2.

[0043] The foldable rail-imitating connecting rod 1 and the foldable pulling connecting rod 3 are both composed of two sections of front and rear hinged main rods 11, arc-shaped connecting blocks 12 respectively hinged to the corresponding sides of the two sections of main rods 11 at the top ends, and folding driving mechanisms 13 for driving the main rods 11 to fold or unfold.

[0044] The arc-shaped connecting blocks 12 are hinged at the bottom ends of the front and rear symmetric half-elliptical arc blocks.

[0045] The folding driving mechanisms 13 are respectively hinged to the front section of main rod 11 and the bottom end of the arc-shaped connecting block 12 at the front and rear ends, so that when the folding driving mechanisms 13 are extended or retracted, the two sections of main rods 11 are driven to fold or unfold through the arc-shaped connecting block 12.

[0046] The front end of the foldable rail-imitating connecting rod 1 is provided with a bent connecting lug 14 for lapping with an end beam in the work tail car A.

[0047] The front part of the foldable imitative rail link 1 is hinged with a lifting drive oil cylinder 15 on the bottom plate of the operation trailer A, and the rear part is provided with a supporting foot 16.

[0048] The lifting drive oil cylinder 15 can make the folded foldable imitative rail link 1 stand up or make the unfolded foldable imitative rail link 1 fall down through extension and retraction.

[0049] The width adjusting oil cylinder 16 is hingedly installed between the two foldable imitative rail links 1, so as to convert the two unfolded foldable imitative rail links 1 between the parallel state and the rear end converging state.

[0050] The receiving rail trolley 2 is composed of a movable receiving chassis 21, a receiving rail guide groove 22 installed side by side on the rear part of the movable receiving chassis 21 and extending obliquely downward, a battery box 23 located on the front part of the movable receiving chassis 21, and an electric control box 24 located on the right side of the movable receiving chassis 21.

[0051] The receiving rail guide groove 22 is composed of a middle receiving guide groove 221 and outer receiving guide grooves 222 located on the left and right sides of the middle receiving guide groove 221 and expanding outward.

[0052] The movable receiving chassis 21 is provided with an elongated connecting seat 211 at the front end and movable connecting seats 212 at the left and right corners of the rear end.

[0053] The movable receiving chassis 21 is installed with rollers 213 symmetrically on the left and right sides of the bottom part.

[0054] The middle receiving guide groove 221 and the outer receiving guide grooves 222 are provided with vertical rollers 223 on the left and right sides of the narrow opening at the front end, and the vertical rollers 223 located at the outermost side are installed with sliding groove plates 224 up and down, and the vertical rollers 223 are pushed and pulled to move along the horizontal sliding way through bolts 225.

[0055] The front end of the receiving rail guide groove 22 is adjacent to a receiving double roller assembly 226 matching the width thereof.

[0056] The movable receiving chassis 21 and the movable lifting chassis 41 are both installed with anti-derailing guide wheel assemblies 5 symmetrically on the left and right sides of the rear end.

[0057] The anti-derailing guide wheel assembly 5 is composed of a guide wheel mounting box 51, a spring mounting column 52, a spring 53 and a guide wheel 54.

[0058] The guide wheel mounting box 51 is open at the bottom, and the inner cavity of the guide wheel mounting box 51 is provided with two layers of partition plates 55.

[0059] The spring mounting column 52 passes through the center of the partition plate 55, and the guide wheel 54 is installed at the bottom, the spring 53 is sleeved at the middle part between the upper and lower partition plates 55, and the spring limiting strip is installed at the top through the upper partition plate 55.

[0060] The bottom of the spring 53 abuts against the top mounting end of the guide wheel 54.

[0061] The guide wheel mounting box 51 is provided with a mounting support plate 56 close to the side wall of the movable receiving chassis 21.

[0062] The hoisting and rail collecting trolley 4 is composed of a movable hoisting chassis 41, a suspension mechanism 42 located at the middle part of the movable hoisting chassis 41, a hoisting and rail collecting guide groove 43 mounted on the movable hoisting chassis 41 and extending obliquely downward rearward, and a trolley anti-rollover mechanism 44 symmetrically mounted on the front side of the movable hoisting chassis 41.

[0063] The front end of the movable hoisting chassis 41 is centrally provided with a mounting connecting seat 411, and the bottom is symmetrically provided with movable rollers 412.

[0064] The hoisting and rail collecting guide groove 43 is composed of left and right symmetrically outwardly expanding outer side hoisting rail guide grooves 431 and a centrally arranged middle hoisting rail guide groove 432.

[0065] The front end narrow opening of the outer side hoisting rail guide groove 431 and the middle hoisting rail guide groove 432 are both provided with left and right symmetric vertical limiting anti-rollover rollers 433.

[0066] The rear end of the outer side hoisting rail guide groove 431 and the middle hoisting rail guide groove 432 are both adjacent to the hoisting rail double roller group 45 matching the width thereof.

[0067] The suspension mechanism 42 is composed of a suspension mounting seat 421 mounted at the middle part of the movable hoisting chassis 41, a rotatable suspension boom 422 mounted at the top of the suspension mounting seat 421, and a liftable steel rail clamp 423 sliding along the bottom of the rotatable suspension boom 422.

[0068] The rotatable suspension boom 422 is equipped with a rotation driving motor 424.

[0069] The trolley anti-rollover mechanism 44 is composed of an anti-rollover mounting plate 441, a rail locking hook arm 442, and an anti-rollover driving electric cylinder 443.

[0070] The anti-rollover mounting plate 441 is fixed on the movable hoisting chassis 41.

[0071] The rail locking hook arm 442 has an overall structure of an outwardly expanding semicircular arc shape from top to bottom, a rear straight downward, and a contact roller 444 arranged inward at the bottom.

[0072] The anti-rollover driving electric cylinder 443 is hingedly connected with an arc-shaped connecting rod 445 at the extension end, and the bottom end of the arc-shaped connecting rod 445 is fixedly connected with the top of the hingedly connected rail locking hook arm 442.

[0073] The bottom end fixed connection point of the arc-shaped connecting rod 445 is rotatably mounted on the anti-rollover mounting plate 441.

[0074] When the anti-tipping drive electric cylinder 443 extends and retracts, the arc-shaped connecting rod 445 synchronously drives the locking rail hook arm 442 to rotate to abut against or move away from the rail.

[0075] A long rail transport vehicle group automatic rail collecting method, the specific implementation steps are as follows:

[0076] Step S1, using the above-mentioned long rail transport vehicle group automatic rail collecting system, the foldable rail-imitating connecting rod 1 is placed on the rail through the control mechanism.

[0077] In step S1, the foldable rail-imitating connecting rod 1 should be unfolded 45°-60° before being placed down, so as to adjust the center of gravity for stable placement.

[0078] Step S2, the foldable pulling connecting rod 3 connected with the lifting rail collecting trolley 4 and the receiving rail collecting trolley 2 is unfolded to a height lower than the height of the car exit of the working tail car A through the control mechanism, and at the same time, the lifting rail collecting trolley 4 is pushed to move to the unfolded foldable rail-imitating connecting rod 1.

[0079] In step S2, the foldable pulling connecting rod 3 is unfolded to a height lower than the height of the car exit of the working tail car A, and the unfolding angle is set to 100°-120°.

[0080] Step S3, the hoist B is started, and the speed of the lifting rail collecting trolley 4 is controlled through the hoist B, the lifting rail collecting trolley 4 synchronously drives the receiving rail collecting trolley 2 through the foldable pulling connecting rod 3 to move from the working tail car A to the rail with the aid of the foldable rail-imitating connecting rod 1, and the foldable rail-imitating connecting rod 1 is adjusted to the rear end after being lifted from the rail surface and connected with the front end of the receiving rail collecting trolley 2 through the control mechanism.

[0081] Step S4, collecting the heart rail, the heart rail is lifted by the suspension mechanism 42, then the foldable pulling connecting rod 3 is fully unfolded through the control mechanism, so as to push the lifting rail collecting trolley 4 to move along the rail to the position where the intermediate rail lifting guide groove 432 is below the heart rail, then the heart rail is placed on the intermediate rail lifting guide groove 432, and the long rail transport vehicle group retreats to start collecting the rails.

[0082] Step S5, collecting the ballast shoulder rails on both sides, the foldable pulling connecting rod 3 is fully unfolded through the control mechanism, one side of the ballast shoulder rail is lifted by the suspension mechanism 42, then the ballast shoulder rail is placed on the corresponding outside rail lifting guide groove 431 through rotation, then the long rail transport vehicle group retreats to start collecting the rails, and the operation of collecting the ballast shoulder rail on the other side is the same.

[0083] Step S6, after the track is collected, the foldable pulling link 3 is half folded, the rear end of the foldable track-imitating link 1 is placed on the track in parallel through the control mechanism, then the winch is started, the pulling receiving track trolley 2 and the hoisting track trolley 4 are pulled back to the operation tail car A, the foldable pulling link 3 is completely folded, the folding track-imitating link 1 is controlled to be folded into the operation tail car A through the control mechanism, and the equipment collection is completed.

[0084] After the track is collected, the angle of the half-folded foldable pulling link 3 is 100°-110°, and the folding track-imitating link 1 should be folded by 45°-55° before being folded into the operation tail car A, and then be completely folded when being close to the operation tail car A.

Claims

1. A method for automatically picking up long rail in a long rail transport train consist, characterized by, Comprising the following steps: Step S1, adopt a long rail transport car group automatic rail collection system, through the control mechanism to put down the foldable rail simulation connecting rod (1) on the track; A long rail transport car group automatic rail collection system comprises foldable rail simulation connecting rods (1) arranged from back to front in the work tail car (A), a lifting and collecting rail trolley (4), a foldable pulling connecting rod (3), a receiving rail trolley (2) and a control mechanism, the foldable rail simulation connecting rods (1) and the foldable pulling connecting rod (3) are symmetrically arranged and are in a folded state when stored in the work tail car (A), the foldable pulling connecting rod (3) connects the lifting and collecting rail trolley (4) and the receiving rail trolley (2), the foldable rail simulation connecting rod (1) and the foldable pulling connecting rod (3) each comprise two sections of front and rear hinged main rods (11), an arc-shaped connecting block (12) hinged to the corresponding side of the two sections of main rods (11) at the top end, and a folding drive mechanism (13) for driving the main rods (11) to fold or unfold, a width adjusting oil cylinder is hingedly installed between the two foldable rail simulation connecting rods (1), so that the two unfolded foldable rail simulation connecting rods (1) are converted between the parallel state with the track or the rear end closing state, the lifting and collecting rail trolley (4) comprises a movable lifting underframe (41), a suspension mechanism (42) located in the middle of the movable lifting underframe (41), a lifting and collecting rail guide groove (43) installed on the movable lifting underframe (41) and extending obliquely downward toward the rear, and a trolley anti-rollover mechanism (44) symmetrically installed on the front side of the movable lifting underframe (41), the lifting and collecting rail guide groove (43) comprises outwardly expanding outer lifting rail guide grooves (431) and a centrally arranged middle lifting rail guide groove (432); the receiving rail trolley (2) comprises a movable receiving underframe (21), a receiving rail guide groove (22) installed side by side on the rear part of the movable receiving underframe (21) and extending obliquely downward toward the rear, a battery box (23) located on the front part of the movable receiving underframe (21), and an electric control box (24) located on the right side of the movable receiving underframe (21), the receiving rail guide groove (22) comprises a middle receiving guide groove (221) and outwardly expanding outer receiving guide grooves (222) located on the left and right sides of the middle receiving guide groove (221); Step S2, through the control mechanism, the foldable pulling connecting rod (3) connecting the lifting and collecting rail trolley (4) and the receiving rail trolley (2) is unfolded to a height lower than the car compartment outlet height of the work tail car (A), and at the same time the lifting and collecting rail trolley (4) is pushed to move onto the unfolded foldable rail simulation connecting rod (1); Step S3, start the winch (B) and control the speed of the lifting and collecting rail trolley (4) through the winch (B), the lifting and collecting rail trolley (4) is driven by the foldable pulling connecting rod (3) to drive the receiving rail trolley (2) to move from the work tail car (A) to the track through the foldable rail simulation connecting rod (1) by gravity, and the foldable rail simulation connecting rod (1) is lifted from the rail surface and adjusted to the rear end closing state and connected with the front end of the receiving rail trolley (2) through the control mechanism. Step S4, collect the heart rail, through the suspension mechanism (42) to grab the heart rail, and then through the control mechanism to fully unfold the foldable pulling link (3), so as to push the lifting rail collecting trolley (4) to move along the track to the middle lifting rail guide groove (432) below the heart rail, and then lower the heart rail to place on the middle lifting rail guide groove (432), and the long rail transport vehicle group retreats to start collecting the rail; Step S5, collect the ballast shoulder rail on both sides, fully unfold the foldable pulling link (3) through the control mechanism, grab one side of the ballast shoulder rail through the suspension mechanism (42), then rotate and place the ballast shoulder rail on the corresponding side of the outer lifting rail guide groove (431), then the long rail transport vehicle group retreats to start collecting the rail, and the other side of the ballast shoulder rail is collected in the same way.

2. The method of claim 1, wherein: The arc-shaped connecting block (12) is hinged by the bottom ends of the front and rear symmetrical half-elliptical arc blocks, and the folding driving mechanism (13) is hinged at the front and rear ends of the front and rear main rods (11) and the bottom ends of the arc-shaped connecting blocks (12), so that when the folding driving mechanism (13) is stretched or retracted, the two main rods (11) are folded or unfolded through the arc-shaped connecting blocks (12), the front end of the foldable imitation rail link (1) is provided with a bent connecting lug (14) for lapping with an end beam in a working tail car (A), the front part of the foldable imitation rail link (1) is hinged with a lifting driving oil cylinder (15) at the bottom plate of the working tail car (A), and the rear part is provided with a supporting foot (16), the lifting driving oil cylinder (15) can make the folded foldable imitation rail link (1) stand or make the unfolded foldable imitation rail link (1) fall down through stretching or retraction.

3. The method of claim 1, wherein: The movable receiving chassis (21) is provided with an elongated connecting seat (211) at the front end and an active connecting seat (212) at the left and right corners at the rear end, and the movable receiving chassis (21) is symmetrically installed with rollers (213) at the bottom, the middle receiving guide groove (221) and the outer receiving guide groove (222) are provided with vertical rollers (223) at the left and right of the narrow mouth at the front end, and the vertical rollers (223) at the outermost are installed with slide plates (224) up and down, and the vertical rollers (223) are pushed and pulled to move along the horizontal direction of the slide through the bolts (225), and the receiving rail guide groove (22) is adjacent to a receiving double roller group (226) matching its width at the front end.

4. The method of claim 1, wherein: The movable receiving chassis (21) and the rear end of the movable lifting chassis (41) are symmetrically provided with the anti-derailing guide wheel assembly (5) of the pressure rail, the anti-derailing guide wheel assembly (5) comprises a guide wheel mounting box (51), a spring mounting column (52), a spring (53) and a guide wheel (54), the bottom of the guide wheel mounting box (51) is open, the inner cavity of the guide wheel mounting box (51) is provided with two layers of partitions, the spring mounting column (52) penetrates the center of the partition, the bottom of the spring mounting column (52) is provided with the guide wheel (54), the middle part between the upper and lower layers of the partition is sleeved with the spring (53), the top of the spring mounting column (52) penetrates the upper layer of the partition and is provided with a spring limiting strip, the bottom of the spring (53) abuts against the top mounting end of the guide wheel (54), and the side wall of the guide wheel mounting box (51) close to the movable receiving chassis (21) is provided with a mounting branch plate.

5. The method of claim 1, wherein: The front end narrow opening of the outer side lifting rail guide groove (431) and the intermediate lifting rail guide groove (432) is provided with vertically symmetrical vertical limiting anti-tumbling wheels (433), and the rear end of the outer side lifting rail guide groove (431) and the intermediate lifting rail guide groove (432) is adjacent to the lifting rail double roller group (45) matched with the width thereof.

6. The method of claim 1, wherein: The movable lifting chassis (41) is provided with a mounting connecting seat (411) at the front end, and is symmetrically provided with a moving roller (412) at the bottom, the suspension mechanism (42) comprises a suspension mounting seat (421) mounted at the middle part of the movable lifting chassis (41), a rotatable suspension crane (422) mounted at the top of the suspension mounting seat (421) and a liftable steel rail clamp (423) sliding along the bottom of the rotatable suspension crane (422), and the rotatable suspension crane (422) is provided with a rotating drive motor (424).

7. The method of claim 1, wherein: The trolley anti-turning mechanism (44) comprises an anti-turning mounting plate (441), a rail locking hook arm (442) and an anti-turning drive electric cylinder (443), the anti-turning mounting plate (441) is fixed on the movable lifting chassis (41), the rail locking hook arm (442) is in the form of an outwardly expanding semicircular arc from top to bottom, and the bottom is provided with a contact roller (444) inwardly, the anti-turning drive electric cylinder (443) is hingedly connected with an arc-shaped connecting rod at the telescopic end, the bottom end of the arc-shaped connecting rod is fixedly connected with the top of the hingedly connected rail locking hook arm (442), and the bottom end of the arc-shaped connecting rod is rotatably mounted on the anti-turning mounting plate (441), when the telescopic end of the anti-turning drive electric cylinder (443) is telescoped, the rail locking hook arm (442) is synchronously rotated to abut against or move away from the rail through the arc-shaped connecting rod.

8. The method of claim 1, wherein: The steps S6 and S6 are further included, after the rail collecting is completed, the foldable pulling connecting rod (3) is half-folded, the rear end of the foldable rail-like connecting rod (1) is placed on the rail in parallel through the control mechanism, then the winch is started, the pulling receiving rail trolley (2) and the lifting rail trolley (4) are pulled back to the operation tail car (A), the foldable pulling connecting rod (3) is completely folded, the folding rail-like connecting rod (1) is controlled to be folded into the operation tail car (A) through the control mechanism, and the equipment recovery is completed.

9. The method of claim 1, wherein: In the step S1, the foldable imitation rail link (1) should be unfolded 45°-60° before being put down, and the gravity center is adjusted to be stable; in the step S2, the foldable pulling link (3) is unfolded to a height lower than the height of the carriage outlet of the operation trailer (A), and the unfolding angle is set to 100°-120°.

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