A movable turnout assembly platform for ballasted track and corresponding working method

Abstract

A movable turnout assembling platform and a turnout assembling method for ballast track, the assembling platform comprises a four-track platform arranged on a flat plate or a flat car (4), the four-track platform comprises two basic tracks (6) and two auxiliary tracks (5) arranged side by side; the basic tracks (6) are connected with the working surface of the flat plate or the flat car (4) through lifting devices, the auxiliary tracks (5) are fixedly connected on the working surface of the flat plate or the flat car (4), the working surfaces of the two basic tracks (6) are adjusted to be in the same horizontal plane through the action of the lifting devices (7); an adjusting sleeper supporting table (8) is connected above the auxiliary tracks (5), the turnout sleeper (9) is arranged on the adjusting sleeper supporting table (8), and the lateral and longitudinal directions of the adjusting sleeper supporting table (8) can be adjusted to achieve the purpose of adjusting the lateral and longitudinal directions of the turnout sleeper (9). The adjusting sleeper supporting table is adjusted at will in the position of the auxiliary tracks, and the adjusting devices of the lateral and longitudinal directions of the adjusting sleeper supporting table can also be adjusted freely according to different turnout sleepers; the assembling platform has simple structure, convenient operation and wide application range, and can be used for assembling, fine adjustment and welding of currently common different types of turnouts.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of ballast track turnout assembly device, in particular to a kind of ballast track movable turnout assembly platform. BACKGROUND

[0002] Turnout is the assembly of line and the connecting and crossing equipment between lines, which is an important part of railway passage, and also the weakest part on line. Railway turnout has the characteristics of large quantity, complex structure, short service life, speed limit, large maintenance workload, low driving safety, heavy rail and sleeper, etc. on line, so turnout replacement on railway line is a huge task. The largest turnout used on ballast track of passenger dedicated line is No. 42 turnout, with a total length of 157.2 meters, which puts forward more stringent requirements for turnout assembly platform.

[0003] According to the analysis of existing technologies at home and abroad, the current turnout assembly platform device mainly has the following types:

[0004] One is the turnout assembly platform described in the Chinese invention patent application with the publication number CN 101575832A, "Ballast Track High-speed Turnout Assembly Platform". At the location of arrival-departure line of the station where turnout needs to be laid, a method of pulling out a sleeper every other sleeper is adopted, the sleepers of arrival-departure line are pulled out to one side, the original outside bearing groove is located under the inside rail, and the sleepers and rails are connected by fasteners. A rail of the same type is laid in the bearing groove at the other end of the pulled-out sleeper, arranged side by side with the two rails of arrival-departure line, at the same horizontal plane, to form a "three-rail platform" as the basis of turnout assembly platform. This method needs temporary modification of arrival-departure line, and the arrival-departure line needs to be restored after completion, which is time-consuming and consumes a large amount of labor and financial resources, with high cost, and the platform is temporarily set up and cannot be reused.

[0005] Another is the turnout assembly platform set in the Chinese invention patent application with the publication number CN 101173492A, "Ballast Track Turnout In-situ Laying Method for Passenger Dedicated Line". A block of cushion wood is placed at the position of each sleeper, and a square steel is placed on the cushion wood, keeping the overall levelness of the square steel within 10 mm. The square steel is placed along the straight upper rail and curved lower rail of the turnout. This kind of assembly platform is simple, but has high requirements for the flatness and compactness of the track bed and cannot be reused. The platform has no adjusting function and is fixed on the track bed by gravity, and the assembly platform components may be displaced during the actual use of assembling turnout. In addition, after the turnout is assembled, the new turnout is lifted, and the assembly platform under the turnout is removed, which has safety hazards.

[0006] The third is the patent application with the authorization announcement number CN 201671029 U, a turnout assembling platform for ballastless track bed. The turnout assembling platform comprises three longitudinal beams, turnout support, middle turnout support, transverse positioning pull rod, and each longitudinal beam is composed of several longitudinal beam sections. The turnout assembling platform also has requirements for the laying site and cannot be reused. The platform levelness adjustment is time-consuming and laborious, and requires high operating personnel. SUMMARY

[0007] In the present application, the direction parallel to the steel rail is the longitudinal direction, and the direction parallel to the sleeper is the transverse direction.

[0008] The present application aims to provide a movable turnout assembling platform for ballasted track to solve the problems of site bottleneck, additional site leveling, and laborious and time-consuming site operation of the current turnout on-site assembly. The assembling platform can transport turnout spare parts to the site, use the broken line or idle line near the station, and only need to expand the platform to directly assemble, weld and debug the turnout. After the turnout is assembled, the expanded part is removed and transported to the area near the turnout to be replaced by a flat car.

[0009] The movable turnout assembling platform for ballasted track provided in the first aspect of the present application comprises a four-rail platform arranged on a flat plate or flat car, the four-rail platform comprises two basic rails and two auxiliary rails arranged side by side; the basic rails are connected with the working surface of the flat plate or flat car by lifting devices, the auxiliary rails are fixedly connected to the working surface of the flat plate or flat car, the working surface of the two basic rails is adjusted by the lifting devices so that the working surfaces of the two basic rails are in the same horizontal plane; an adjustment sleeper supporting table is connected above the auxiliary rails, the turnout sleeper is arranged on the adjustment sleeper supporting table, and the lateral and longitudinal directions of the adjustment sleeper supporting table can be adjusted to adjust the lateral and longitudinal directions of the turnout sleeper.

[0010] Preferably, the lifting device can be realized by manual mode in addition to the up-down adjustment oil cylinder mode.

[0011] Preferably, when the turnout is assembled on the four-rail platform, the expansion platform, temporary railings, supporting devices and temporary protective plates are installed on the working surface of the flat plate or flat car to expand the working surface.

[0012] Preferably, the safety chain and handrail are used to connect the temporary railings and the expansion platform into one body to play a safety protection role. When the assembled turnout is long, multiple assembling platforms can be connected into one body through the coupler of the flat plate or flat car, and the basic rails and the auxiliary rails are connected into one body through the temporary rails and the quick couplings, so as to adapt to the needs of on-site assembly of different types of turnouts.

[0013] Preferably, the adjusting support platform comprises a U-shaped slide plate fixedly connected to the auxiliary rail; a second slide is arranged on one longitudinal side of the U-shaped slide plate; at least one slide block is arranged on the two transverse ends of the U-shaped slide plate, and the slide block is connected to the first slide; the slide block is provided with a top inclined block.

[0014] Preferably, the bolt rod of the adjusting handle of the longitudinal adjusting device is threadedly connected to the slide block, and is fixed to the first slide by a bolt.

[0015] More preferably, the longitudinal adjusting device is connected to the top inclined block through a universal joint bearing, and the inclined contact surface of the top inclined block can always be kept parallel to the tangent surface of the tangent rail when the longitudinal adjusting device is adjusted.

[0016] Preferably, a second slide block is arranged on the second slide, the bolt rod of the adjusting handle of the transverse adjusting device is threadedly connected to the second slide block, and the end of the second slide comprises a long bolt.

[0017] The pair of longitudinal adjusting devices and the transverse adjusting device of the adjusting support platform are used to adjust the longitudinal and transverse positions of the tangent rail.

[0018] The second slide block can be transversely moved to adjust the position and is fixed to the slide by a bolt; the bolt rod of the adjusting handle of the transverse adjusting device is directly applied to the end surface of the tangent rail to adjust the transverse position of the tangent rail; when the second slide needs to be longer according to the length of the tangent rail, the strength of the second slide in the horizontal direction is strengthened by the adjustment of the lengthening of the long bolt at the end of the second slide and the support of the working surface of the flat plate or the flat car.

[0019] The support device comprises a bottom support, a sleeve, a protective angle steel, a fixing pin, a coarse adjustment rod, a coarse adjustment handle and a hook; the outer thread on the upper rod of the bottom support is matched with the inner thread on the lower part of the sleeve to realize the fine adjustment of the height of the support device in the vertical direction; the center of the round hole on the sleeve and the vertical direction of the round holes on the coarse adjustment rod are aligned and inserted and locked by the insertion pin on the coarse adjustment handle; the protective angle steel welded on the sleeve is used to prevent the coarse adjustment handle from falling out after being inserted and locked; the fixing pin welded on the coarse adjustment rod is used to fixedly connect the support device and the mounting hole at the bottom of the expansion platform to prevent the displacement of the expansion platform.

[0020] The expansion platform comprises a telescopic frame, a temporary anti-skid plate, a fixed plate and a fixing device. The telescopic frame can be horizontally telescopic, the fixed plate is connected to one end of the telescopic frame, and the temporary anti-skid plate is mounted in the groove between the upper and lower fixed plates. The expansion platform is fixedly connected to the handrail through the fixing device connected to the fixed plate.

[0021] Preferably, the extension platform can be retrofitted with the inherent side plates of the flatbed truck work surface. When used as an assembly platform, the side plates are used as the extension platform, and when the flatbed truck is used to transport the turnout parts, the side plates are used as the guardrails for the transported parts.

[0022] The handrail includes a handrail rod and a handrail tube, and the handrail is fixed on the extension platform through the cooperation of the pin hole in the lower part of the handrail tube and the fixing device on the extension platform.

[0023] The second aspect of the present application provides a turnout assembly process, which comprises the following steps:

[0024] Step A: Park the turnout assembly platform on the arrival-departure line or the nearby broken line at the turnout replacement site, set up and assemble the extension platform and its handrail and other related auxiliary equipment according to the site conditions and conditions, adjust the two basic rail work surfaces to be in the same horizontal plane, and complete the preparation work of the assembly platform.

[0025] Step B: According to the position and length of the turnout sleeper required to be assembled (the distance between the positions of the turnout sleepers is mostly 600mm), install the adjustment sleeper supporting table on the two auxiliary rails; wherein the adjustment sleeper supporting table is deformed and installed in a corresponding manner according to the turnout front sleeper, the turnout rear sleeper and the setting manner of the platform, so as to ensure the longitudinal and transverse position adjustment of the turnout sleeper.

[0026] Step C: Place the turnout sleepers on the U-shaped slide plate of the adjustment sleeper supporting table according to the turnout replacement design drawing, adjust the position of each turnout sleeper, so that the distance between the turnout sleepers meets the requirements of the drawing and design specification; adjust the rail groove surfaces of the entire turnout sleepers to be in the same horizontal plane, then install the pad and the rail part, and then connect the rail with the turnout sleeper by using the fasteners and bolts.

[0027] Step D: Adjust the geometric position of the entire turnout by adjusting the vertical lifting device of the platform, and adjusting the adjusting device on the adjustment sleeper supporting table in the longitudinal and / or transverse directions, until the requirements of the specification are met.

[0028] The above steps are sequentially performed, and preferably, the movable turnout assembly platform for ballasted track is used.

[0029] Compared with the prior art, the movable turnout assembly platform for ballasted track has the following advantages and effects:

[0030] 1.The present application adopts a flat car as the main body to set up a reusable turnout assembly platform, which does not need personnel to temporarily set up an assembly platform on site, and can realize the free movement of the assembly platform on the line. When the turnout replacement site is limited, the turnout can be assembled at the broken line or the end position of the line. After assembly, the extended platform is folded and transported to the vicinity of the replacement site by the flat car. Compared with the prior art, the present application saves labor cost and workload, and improves the efficiency of on-site construction. Therefore, the turnout assembly platform can effectively solve the problem of turnout on-site assembly site in the current turnout replacement construction;

[0031] 2.The four-track platform is arranged on a stable flat car, two basic rails adjust the levelness of the working surface of the two steel rails through an oil cylinder, and two auxiliary rails adjust the longitudinal and transverse orientation of the turnout and provide auxiliary support. Therefore, the four-track platform has good stability and can meet the assembly requirements of any wide turnout. At the same time, the turnout is easy to assemble, and the alignment of the sleepers and steel rails is convenient and accurate, and the assembly quality is easy to guarantee.

[0032] 3.The assembly platform can use the reserved broken line or blocked line of the line as the assembly platform site, without the need for high requirements and labor-intensive site modification on site, and there is no need to restore the assembly site after the completion of the turnout replacement construction. After the turnout assembly is completed, the turnout can be transported to the turnout replacement site by the flat car, without being limited by the distance between the assembly platform and the construction site.

[0033] 4.Through different installation positions and combinations of the extended platform and the flat car, the turnout assembly platform can still be used on the main line under the condition that the adjacent line is not blocked.

[0034] 5.Through adjusting the different deformations, installation positions, and free deformations and different installation combinations of the sleeper supporting table, the assembly and fine adjustment of left-open, right-open, and different orientation turnouts can be met, and there is enough adjustment amount to adapt to the requirements of different turnout sleepers.

[0035] 6.The longitudinal and transverse orientation adjustment device of the sleeper supporting table at the auxiliary rail position can also be freely adjusted according to different turnout sleepers.

[0036] The assembly platform has simple structure, convenient operation, and wide application range, and can be used for the assembly, fine adjustment, and welding of currently common different types of turnouts. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other embodiments according to these drawings without creating any creative labor.

[0038] Figure 1 Structure diagram of the movable turnout assembly platform of the present application.

[0039] Figure 2 Structure diagram of the turnout front assembly platform in the embodiment shown. Figure 1

[0040] Structure diagram of the turnout rear assembly platform in the embodiment shown. Figure 3 Figure 1 Structure diagram of the turnout rear assembly platform after the expansion platform and the flatcar deformation combination under the adjacent line normal traffic.

[0041] Figure 4 Three-view and front three-axis side view of the adjustment pillow block table in the present application.

[0042] Figure 5 Front view of the main part of the support device.

[0043] Figure 6 Partial enlarged view of the placement and adjustment of the turnout pillow on the assembly platform. Figure 5

[0044] Front three-axis side view of the expansion platform, support device and handrail assembly in the present application. Figure 7

[0045] Front view of the expansion platform and handrail assembly, folding and disassembly in the preferred embodiment of the present application. Figure 8

[0046] Meaning of the numerical markers in the embodiment shown. Figure 9 Figure 11 Figure 8 Structure diagram of the main part of the support device in the embodiment shown.

[0047] Figure 12 Front three-axis side view of the expansion platform, support device and handrail assembly in the present application.

[0048] Figure 13 , Figure 14 , Figure 15 Front view of the expansion platform and handrail assembly, folding and disassembly in the preferred embodiment of the present application.

[0049] Figures 1-15 Meaning of the numerical markers in the embodiment shown.

[0050] 1 support device 2 temporary handrail 3 temporary protective plate

[0051] 4 flatcar 5 auxiliary rail 6 basic rail

[0052] 7 up and down adjustment oil cylinder 8 adjustment pillow block table 9 turnout pillow

[0053] 10 expansion platform 11 safety chain 12 handrail ​​​

[0054] 1.1 Bottom support 1.2 Sleeve 1.3 Protective angle steel

[0055] 1.4 Fixing pin 1.5 Coarse adjustment lever 1.6 Coarse adjustment handle

[0056] 1.7 Hooks 2.1 Handrails 2.2 Handrail tubes

[0057] 8.1 Long bolt 8.2 Slider 8.3 Adjustment device

[0058] 8.4 First slide rail 8.5 Top inclined block 8.6 Universal joint bearing

[0059] 8.7 Slider; 8.8 Bolt; 8.9 U-shaped sliding plate

[0060] 8.10 Bolts 8.11 Adjusting device 8.12 Bolts

[0061] 8.13 Second Slide 10.1 Telescopic Frame 10.2 Temporary Anti-slip Plate

[0062] 10.3 Fixing plate 10.4 Fixing device Detailed Implementation

[0063] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0064] Example 1.1: An assembly platform for movable turnouts on ballasted tracks, as shown in the attached figure. Figure 1 - Appendix Figure 3 As shown, the system includes a four-rail platform mounted on a flatbed cart 4. The platform comprises two main rails 6 and two auxiliary rails 5 arranged side-by-side. The main rails 6 are connected to the working surface of the flatbed cart 4 via hydraulic cylinders 7 that adjust vertically. The auxiliary rails 5 are connected to the working surface of the flatbed cart 4 via square steel. The hydraulic cylinders 7 adjust the working surfaces of the two main rails 6 to be on the same horizontal plane. An adjusting support platform 8 is mounted on the auxiliary rails 5, and a switch sleeper 9 is mounted on the adjusting support platform 8. The switch sleepers 9 are adjusted laterally and longitudinally via the adjusting support platform 8 mounted on the auxiliary rails 5. The hydraulic cylinders 7 at the bottom of the main rails 6 adjust the horizontality of the switch sleepers 9 above them, while the lateral and longitudinal adjustments of the switch sleepers 9 are achieved through the adjusting support platform 8 on the auxiliary rails 5.

[0065] In the four-track platform assembly, the expansion platform 10 is installed at the turnout, the support device 1 is installed at the bottom of the expansion platform 10, the temporary handrail 2 is installed outside the expansion platform 10, and the temporary guard plate 3 is laid on the expansion platform 10, so as to expand the working surface of the flat car 4. Then, the temporary handrail 2 is connected into one body by the safety chain 11 and the handrail 12, and plays a safety protection role. When the turnout to be assembled is long, the expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts. Figure 1 When the turnout to be assembled is long, the expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts.

[0066] The expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts. Figure 2 The expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts. Figure 3 The expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts. The expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts.

[0067] The expansion platform 10 can be connected into one body through the car coupler of the flat car 4, and the basic rail 6 and the auxiliary rail 5 are connected into one body through the temporary rail and the quick connector, so as to adapt to the needs of on-site assembly of different types of turnouts. Figure 4 When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters).

[0068] When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters). Figure 5 When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters). Figure 6 When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters). Figure 7 When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters). When the adjacent line is not blocked and normal train operation is required, the different installation positions and combinations of the expansion platform and the flat car are used to ensure that the turnout assembly platform does not invade the adjacent line during operation. The specific method is that the expansion platform near the adjacent line is not fully expanded to ensure that it does not invade the adjacent line, and the expansion platform away from the adjacent line is expanded to ensure that the assembly platform meets the longest turnout assembly requirement (the longest turnout is 4.73 meters).

[0069] The adjusting handle of the adjusting device 8.11 is threadedly connected to the slider 8.2. The slider 8.2 can be moved laterally along the slide rail 8.13 to adjust its position. The slider 8.2 is fixed to the slide rail 8.13 by bolts 8.12. The slide rail 8.13 is connected to one side of the U-shaped slide plate 8.9.

[0070] The bolt rod of the adjusting handle of the adjusting device 8.11 directly abuts against the end face of the turnout sleeper 9 to adjust the lateral position of the turnout sleeper 9. When the slide rail 8.13 needs to be longer than the length of the turnout sleeper 9, the horizontal strength of the slide rail 8.13 is enhanced by adjusting the elongation of the long bolt 8.1 on the slide rail 8.13 and supporting the working surface of the flatbed car. This embodiment only adjusts one working state scenario of the sleeper support platform 8; other variations and combinations can be found in the appendix. Figure 2 Appendix Figure 3 and attached Figure 4 .

[0071] As attached Figures 8-11 As shown, the support device 1 includes a bottom support 1.1, a sleeve 1.2, a protective angle steel 1.3, a fixing pin 1.4, a coarse adjustment rod 1.5, a coarse adjustment handle 1.6, and a hook 1.7. The upper part of the bottom support 1.1 has external threads that mate with the lower internal threads of the sleeve 1.2, enabling fine adjustment of the vertical height of the support device 1. The sleeve 1.2 includes a circular hole, inside which is installed the coarse adjustment rod 1.5. The coarse adjustment rod 1.5 includes several circular holes. Coarse adjustment of the vertical height of the support device 1 is achieved by aligning the pin on the coarse adjustment handle 1.6 with the centers of the circular holes on the sleeve 1.2 and the several circular holes on the vertical direction of the coarse adjustment rod 1.5. The protective angle steel 1.3, welded to the opposite side of the circular hole on the sleeve 1.2, prevents the coarse adjustment handle 1.6 from falling out after being inserted and locked. A fixing pin 1.4 is welded onto the coarse adjustment rod 1.5 for fixing the support device 1 to the mounting hole at the bottom of the expansion platform 10, preventing the expansion platform 10 from shifting. A hook 1.7 is also installed on the outside of the sleeve 1.2. In this embodiment, the structure and connection points of the bottom support 1.1, sleeve 1.2 and coarse adjustment rod 1.5 are shown separately, but their functions are not limited to this structural method.

[0072] As attached Figure 12 -Appendix Figure 15As shown, the expansion platform 10 includes a telescopic frame 10.1, a temporary non-slip plate 10.2, a fixed plate 10.3 and a fixing device 10.4; the fixed plate 10.3 is welded on the telescopic frame 10.1, one end of the temporary non-slip plate 10.2 is installed in a groove between the upper and lower fixed plates 10.3, and the other end of the temporary non-slip plate 10.2 is installed in the telescopic frame 10.1, so as to realize the telescopic expansion of the telescopic frame 10.1 relative to the temporary non-slip plate 10.2 in the horizontal direction. The expansion platform 10 is fixedly connected with the handrail 2 through the fixing pin 10.4 welded on the fixed plate 10.3. In the embodiment, the handrail 2 includes a handrail rod 2.1 and a handrail tube 2.2, and the handrail 2 realizes the telescopic structure through the cooperation of the rod and the tube, and the locking is realized in the manner of the rod extension locking of an umbrella. The handrail 2 is fixedly connected with the expansion platform 10 through the cooperation of the pin hole in the lower part of the handrail tube 2.2 and the fixing pin 10.4 on the expansion platform 10.

[0073] In the embodiment, the expansion platform 10 can be freely telescoped and locked. In the non-working state, the expansion platform 10 is shrunk into a small-sized platform, and can be integrated on the flat car 4 for further optimization, and automatic expansion and shrinkage can be realized through an oil cylinder and a hinge mechanism, or the inherent side plate on the working surface of a partial model flat car can be used for modification.

[0074] The handrail 2 can also be freely telescoped and locked, and the space size is close to half in the non-working state, and manual disassembly and temporary assembly are convenient.

[0075] The working process of assembling the turnout by using the movable turnout assembly platform of the application is as follows:

[0076] (1) In the arrival-departure line or the nearby broken line at the turnout laying site, a position is found to park the movable turnout assembly platform, the expansion platform and the related auxiliary equipment such as the handrail are erected and assembled according to the site conditions and the conditions, the two basic rails are adjusted to be in the same horizontal plane, and the preparation work of the assembly platform is completed.

[0077] (2) On the four-rail platform, the position and length of the turnout sleeper to be assembled are determined (the distance between the positions of the turnout sleepers is mostly 600 mm), and the adjusting sleeper supporting tables are installed on the two auxiliary rails. The adjusting sleeper supporting tables are deformed and installed in the corresponding manner according to the turnout front sleeper, the turnout rear sleeper and the erection manner of the platform, so as to ensure the longitudinal and lateral position adjustment of the turnout sleepers.

[0078] (3) The turnout sleepers are placed on the U-shaped slide plates of the adjusting sleeper supporting tables according to the turnout laying design drawings, the positions of the turnout sleepers are adjusted one by one, the distance between the turnout sleepers meets the requirements of the drawings and the design specifications, the rail bearing grooves of the whole set of turnout sleepers are located on the same horizontal plane, then the pad plates and rail parts are installed, and finally the fasteners such as fasteners and bolts are used to connect the rails with the turnout sleepers.

[0079] (4) Finally, the geometry of the whole turnout is precisely adjusted by adjusting the vertical platform cylinder, and the adjusting device on the longitudinal and transverse adjusting support pillow.

[0080] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make many possible changes and modifications to the technical solutions of the present application, or modify equivalent embodiments with equivalent changes, without departing from the spirit and technical solutions of the present application, by using the disclosed methods and technical contents. Therefore, any simple modification, equivalent replacement, equivalent change and modification of the above embodiments made according to the technical essence of the present application, without departing from the technical solutions of the present application, still belongs to the protection scope of the technical solutions of the present application.

Claims

1. A movable turnout assembly platform for ballasted railway lines, characterized in that: The system includes a four-rail platform mounted on a flatbed or flatbed cart (4). The four-rail platform includes two basic rails (6) and two auxiliary rails (5) arranged side by side. The two basic rails (6) are positioned between the two auxiliary rails (5). A lifting device is connected between the basic rails (6) and the working surface of the flatbed or flatbed cart (4). The auxiliary rails (5) are fixedly connected to the working surface of the flatbed or flatbed cart (4). The working surfaces of the two basic rails (6) are adjusted by the lifting device (7) so that the working surfaces of the two basic rails are in the same horizontal plane. An adjusting support platform (8) is connected above the auxiliary rails (5). The fork sleeper (9) is placed on the adjusting support platform (8). The lateral and longitudinal orientations of the adjusting support platform (8) can be adjusted to achieve the purpose of adjusting the lateral and longitudinal orientations of the fork sleeper (9). The adjustable pillow support (8) includes a U-shaped sliding plate (8.9), which is fixedly connected to the auxiliary rail (5); a second slide rail (8.13) is installed on one longitudinal side of the U-shaped sliding plate (8.9), and at least one slider (8.7) is respectively provided at both transverse ends of the U-shaped sliding plate (8.9). The at least one slider (8.7) is connected to the first slide rail (8.4), and a top inclined block (8.5) is installed on the slider (8.7); the slider (8.7) moves laterally along the first slide rail (8.4) to freely adjust its position; the bolt rod of the adjusting handle of the longitudinal adjusting device (8.3) is threadedly connected to the slider (8.7) and fixed to the first slide rail (8.4) by bolts; the longitudinal adjusting device (8.3) and the top inclined block (8.5) are connected by a universal joint bearing (8.6). When the longitudinal adjusting device (8.3) is adjusted and tightened, the top inclined block (8.13) is... 5) The inclined contact surface can always remain parallel to the contact surface of the fork sleeper (9); the second slide rail (8.13) is provided with a second slider (8.2), the bolt rod of the adjusting handle of the lateral adjustment device (8.11) is threadedly connected to the second slider (8.2), and the end of the second slide rail (8.13) includes a long bolt (8.1); the second slider (8.2) moves laterally along the second slide rail (8.13) to adjust its position, and is fixed to the second slide rail (8.13) by bolts; the bolt rod of the adjusting handle of the lateral adjustment device (8.11) directly hits the end face of the fork sleeper to adjust the lateral position of the fork sleeper; when the second slide rail (8.13) needs to be longer according to the length of the fork sleeper, the strength of the second slide rail (8.13) in the horizontal direction is strengthened by adjusting the extension of the long bolt (8.1) at the end of the second slide rail (8.13) and supporting the working surface of the flatbed or flatbed car; When the turnout is assembled on the four-rail platform, an extension platform (10), temporary railings (2), support devices (1) and temporary protective plates (3) are installed to extend the working surface of the flatbed or flatbed car (4).

2. The assembly platform for movable turnouts on ballasted tracks as described in claim 1, characterized in that: The lifting device (7) is implemented by using an up-and-down adjusting hydraulic cylinder or by manual operation.

3. The assembly platform for movable turnouts on ballasted tracks as described in claim 2, characterized in that: Safety chains (11) and handrails (12) are used to connect the temporary railing handrails (2) and the extension platform (10) into one unit; when the assembled turnout is long, multiple assembly platforms are connected into one unit by the coupler of a flatbed or flatbed car (4), and the basic rail (6) and auxiliary rail (5) are connected into one unit by temporary rails and quick connectors to meet the needs of on-site assembly of different types of turnouts.

4. A turnout assembly process, characterized in that: This is achieved through the assembly platform for movable turnouts on ballasted tracks as described in any one of claims 1-3, comprising the following steps: Step A: Find a location on the arrival / departure line or a nearby dead-end line at the turnout replacement site to park the turnout assembly platform. Set up and assemble the extension platform and its handrails according to the site conditions and requirements. Adjust the working surfaces of the two main rails to make them on the same horizontal plane. The preparation work for the assembly platform is complete. Step B: On the four-rail platform, install adjustment support platforms on the two auxiliary rails according to the required position and length of the turnout sleepers. The adjustment support platforms are deformed and installed according to the erection method of the front sleeper, rear sleeper, and platform to ensure the longitudinal and lateral positions of the sleepers are adjusted. Step C: Place the turnout sleepers on the U-shaped sliding plate of the sleeper adjustment platform according to the turnout replacement design drawings, and adjust the position of each sleeper one by one so that the spacing between the sleepers meets the requirements of the drawings and design specifications; adjust the rail bearing groove surfaces of the sleepers of the entire turnout to be on the same horizontal plane, then install the pads and rail components, and then use fasteners and bolts to connect the rails to the sleepers. Step D: Precisely adjust the geometric position of the entire turnout by adjusting the lifting device on the vertical platform and the adjusting device on the bolster platform longitudinally and / or laterally until it meets the specifications. The above steps are performed sequentially.

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