CN216237901U - Built-in limiting split mounting type track - Google Patents

Abstract

The utility model discloses a built-in limiting assembled track, which comprises: the base assembly extends along the running direction of the train, a track unit is paved on the base assembly and comprises track plate modules which are sequentially distributed along the length direction, and a limiting stop table for elastically limiting the track plate modules along the longitudinal direction and the transverse direction is arranged between the adjacent track plate modules; the limiting blocking platform comprises a supporting framework part and an elastic connecting part, the supporting framework part is located between the adjacent track slab modules, the lower end of the supporting framework part is fixed with the base assembly, and the elastic connecting part is coated outside the supporting framework part and is connected between the adjacent track slab modules in a filling mode so as to be used for connecting the adjacent track slab modules and the base assembly into a detachable integral structure. The built-in limiting assembled track has the advantages of multi-module combination, strong applicability, miniaturization and light weight of prefabricated modules, convenience in production, transportation and installation, simple structure, simple and convenient assembly method, high assembly efficiency and easiness in replacement.

Description

Built-in limiting split mounting type track

Technical Field

The utility model relates to the technical field of rail transit, in particular to a built-in limiting assembled rail.

Background

The development of the high-speed rail technology in China is from endless to strong, and through four stages and more than 20 years of continuous efforts, the high-speed rail technology in China becomes the country with the most comprehensive technology, the strongest innovation capability, the longest operation mileage, the fastest operation speed and the largest building scale in the world. By the end of 2020, the operating mileage of high-speed railways in China breaks through 3.5 kilometers, and according to 2016 (year).) in medium-long term railway network planning and fifteen (year twelve) in comprehensive transportation system planning), high-speed railway construction of a certain scale is continued in future in China, the scale of the high-speed railways reaches 3.8 kilometers by 2025, and the scale of the high-speed railways reaches about 4.5 kilometers in a long term. In the compendium for construction of the strong traffic nation published by the State Council and Central administration in 2019, higher requirements are put forward for future rail traffic development in China, namely, traffic which is safer, more reliable, more economical, more efficient, more comfortable, more convenient, more energy-saving and more environment-friendly is provided for people. High-speed rail has been developed unprecedentedly in other countries around the world, and at present, in addition to the countries such as japan, france, germany, italy, spain, belgium and the like which have opened high-speed rail, more than 10 countries are building high-speed rail, more than 20 countries are planning high-speed rail, and high-speed rail transit system has become a plurality of priority development plans in the world. With the implementation of the advices of 'Panasia railway' and 'one-way-by-one' and the like, the strategy of 'going out' of high-speed rail in China is further accelerated, and valuable opportunities are created for developing the international market of the high-speed rail in China. Therefore, the development of the high-speed railway construction technology research is the urgent need of 'independent innovation', 'going away', 'continuous lead to the development of the world high-speed railway' in China.

The ballastless track structure has become a main track structure type of a high-speed railway due to the advantages of high smoothness, high stability, less maintenance and the like, and the common structure comprises a track plate, a filling layer, a concrete base or a supporting layer. At present, except that the track plate is prefabricated in a factory, other parts of the slab ballastless track structure of the high-speed railway, such as a bed plate and a filling layer, are manufactured in a cast-in-place mode, and the track structure is constructed in a reverse method, namely, a concrete base or a supporting layer is poured firstly, then the filling layer is formed between the prefabricated track plate and the concrete base or the supporting layer through pouring and filling so as to connect the track plate and the concrete base or the supporting layer, then the track plate is finely adjusted firstly, and then the slab lower adjusting layer is poured. The vertical multilayer and longitudinal heterogeneous belt-shaped structure system has the characteristics of large difference of building material properties, multiple structural layers, complex service environment and the like, so that the following problems exist in the actual operation process easily:

firstly, the traditional construction method of the high-speed railway track structure has large workload of field wet operation, causes the problems of high precision control difficulty, poor quality stability, high construction cost and the like of the track structure, and easily causes hidden danger of construction quality;

secondly, the concrete base and the cement emulsified asphalt mortar layer/self-compacting concrete in the prefabricated plate type ballastless track are constructed on site, the construction efficiency is influenced by more working procedures, and the durability of the cement emulsified asphalt mortar layer is poor;

and thirdly, due to the structure and construction mode of the existing track structure, the track slab is difficult to maintain and repair, difficult to replace and high in maintenance cost.

In conclusion, China makes an important breakthrough in the aspect of ballastless track structures and provides guarantees for the strategy of rapid development and 'going away' of high-speed railways in China, but because the research and development and operation time of ballastless track structure systems in China are short, the traditional track form and construction method cannot meet the requirements of track structure construction with high precision, few diseases, energy conservation, environmental protection and intelligence, and the selection range of completely independently innovative track structure forms is limited. Therefore, a full-life design concept, intelligent construction, operation and maintenance technology and the like based on safety service are urgently needed, and research on a novel track structure and a construction technology thereof is deeply developed to form a novel assembly type track structure with independent intellectual property rights and an intelligent construction complete technology thereof.

SUMMERY OF THE UTILITY MODEL

The utility model provides a built-in limiting assembled track, which is formed by assembling a plurality of modules into a track board by a rapid dry method and aims to solve the technical problems of large workload of field wet operation, poor quality stability, complex process, difficult maintenance and repair of a track structure, difficult replacement and the like of the conventional ballastless track structure.

The technical scheme adopted by the utility model is as follows:

a built-in limiting assembled track comprises: the base assembly extends along the running direction of the train, track units which are sequentially distributed along the length direction of the base assembly are paved on the base assembly, each track unit comprises track plate modules which are sequentially distributed along the length direction, and a limiting stop table for elastically limiting the track plate modules along the longitudinal direction and the transverse direction is arranged between every two adjacent track plate modules; the limiting blocking platform comprises a supporting framework part and an elastic connecting part, the supporting framework part is located between the adjacent track slab modules, the lower end of the supporting framework part is fixed with the base assembly, and the elastic connecting part is coated outside the supporting framework part and is connected between the adjacent track slab modules in a filling mode so as to be used for connecting the adjacent track slab modules and the base assembly into a detachable integral structure.

Furthermore, the track plate module comprises track plates which are sequentially laid on the base assembly at intervals along the length direction of the base assembly, steel rails which extend along the length direction of the base assembly and are parallelly laid above the track plates at intervals, and track bearing platforms which are sequentially laid on the upper surface of the track plates at intervals along the length direction of the track plates so as to support the correspondingly arranged steel rails; the rail bearing platform is connected with a fastener group used for locking and fixing the corresponding steel rail and the rail bearing platform.

Furthermore, the connecting ends of two adjacent track plates are respectively provided with an inwards concave containing groove, and the containing grooves at the connecting ends of the two adjacent track plates are spliced to form a containing cavity for containing the limiting blocking table; the supporting framework part is positioned in the accommodating cavity, and the lower end of the supporting framework part is fixed with the base assembly; the elastic connecting part is wrapped outside the support framework part and is filled and connected in the accommodating cavity so as to connect the adjacent track slab modules and the base assembly into a detachable integral structure.

Furthermore, the supporting framework part comprises a connecting rod piece which plays a role in supporting the framework and limiting, a damping connecting column with vibration damping and damping performance and a limiting compression ring which is used for compressing and limiting two adjacent track plates downwards; the lower end of the connecting rod piece is fixed with the base assembly, and the upper end of the connecting rod piece extends into the accommodating cavity; the limiting compression ring is positioned in the accommodating cavity and sleeved on the outer circle of the connecting rod piece; the damping connecting column is cast in place and filled between the limiting compression ring and the connecting rod piece so as to connect the connecting rod piece and the limiting compression ring into a whole.

Furthermore, the inner peripheral wall of the accommodating cavity is provided with a limiting bayonet; the peripheral wall of the limiting pressure ring is provided with a limiting step which is matched with the limiting bayonet to limit the limiting pressure ring.

Further, the elastic connection portion includes an elastic connection ring for elastic connection; the elastic connecting ring is poured and filled between the limiting compression ring and the containing cavity in site, so that the adjacent track plates are connected with the base assembly to form a detachable integral structure after being elastically connected.

Furthermore, the containing cavity is located at the center of the width direction of the track plate, and the two containing grooves which are spliced to form the containing cavity have the same structure and are arranged oppositely.

Furthermore, the limiting stop table is one of a cylinder, an elliptic cylinder, a polygonal column and a kidney-shaped column; the shape of the accommodating cavity is matched with that of the limiting blocking platform.

Further, the base assembly comprises a base plate which plays a supporting role and is used for leveling the steel rail, and an intermediate layer which is laid on the base plate along the length direction of the base plate; the base plate is constructed on the supporting foundation and extends along the running direction of the train; the track plates are sequentially laid on the middle layer at intervals along the length direction of the middle layer.

Further, the supporting foundation is a railway roadbed, or a box girder on a support on a pier, or a tunnel foundation; the base plate is also used for accurately controlling the height and the smoothness of the built-in limiting assembled track in the pouring forming process.

The utility model has the following beneficial effects:

compared with the prior art, when the base plate is poured, the fixed baffle table and the base plate are poured integrally, so that the pouring efficiency of the base plate is low, and the fixed baffle table is required to be poured at the same time, so that the mechanical operation rate is low, and the labor intensity of pouring personnel is high; according to the utility model, the main structure of the limiting baffle table is intelligently built by adopting prefabricated assembly, after the base assembly is built, the connecting part of the limiting baffle table is fixedly connected with the base assembly by embedding the connecting piece in the base assembly in advance, so that the cast-in-place forming of the fixing baffle table in the traditional construction technology is changed, the requirement of quick assembly provided by the utility model is met, meanwhile, the later maintenance and disassembly and assembly of the track structure are facilitated, the base plate in the base assembly can be formed by adopting mechanized pouring, the pouring efficiency of the base plate is high, the forming quality is good, and the labor intensity of constructors can be effectively reduced.

In the built-in limiting assembled track, the track unit is combined by multiple modules through the track plate modules, so that the applicability is strong, the track plate modules are designed in a standardized way, produced in a factory and installed in an intelligent way, the prefabricated modules are miniaturized and lightened, the production, stacking, transportation and installation are convenient, the track forming efficiency and quality are improved, a modularized and assembled forming mode is realized, the assembling method is simple and convenient, the assembling efficiency is high, and the development requirements of modern tracks are met; on the other hand, compared with the prior art, when the track slab is damaged in the operation process, the whole track slab is replaced or maintained, the damaged track module is only needed to be replaced or maintained, the rapid repair can be realized, the replacement is simple, the maintenance cost is low, the maintenance required period is short, and the labor intensity of workers is low.

In the built-in limiting assembled track, the limiting baffle table can limit the adjacent track slab modules in the longitudinal direction and the transverse direction, the limiting function of the fixed baffle table is reserved, the limiting baffle table can elastically limit the adjacent track slab modules in the longitudinal direction and the transverse direction, and the limiting baffle table is elastically connected with the adjacent track slab modules, so that the track slab modules can be subjected to adaptive fine adjustment of pavement positions according to the temperature and load conditions through the limiting baffle table, and the dynamic impact between the track slab modules and the baffle table can be buffered.

Compared with the prior art that the smoothness of the top surface of the track structure is controlled by pouring the filling layer between the track plate and the base plate through site construction, in the built-in limiting assembled track structure, the height and the smoothness of the base plate can be accurately controlled in the process of pouring the base plate, and further the integral height and the smoothness of the built-in limiting module assembled track structure are controlled; or the base plate is prefabricated and molded in a factory, and a leveling adjustment layer is formed on the supporting base by casting in situ so as to form millimeter-level precision of the top surface of the base plate; or the base plate is replaced by asphalt, high-performance concrete or the existing novel material, and is pressed down and molded by the track plate during cast-in-place so as to form millimeter-level precision of the top surface; therefore, the built-in limiting assembled track has the advantages of simple fine adjustment and installation, high installation precision, various forms and simple construction process.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic three-dimensional structure of a built-in limit assembly track according to a preferred embodiment of the present invention;

FIG. 2 is a three-dimensional exploded schematic view of FIG. 1;

FIG. 3 is a partially exploded view of the circular limit stop of FIG. 2;

FIG. 4 is a schematic three-dimensional structure of the built-in limiting assembled track of FIG. 1 built on a roadbed;

FIG. 5 is a schematic three-dimensional structure of the built-in limiting assembly type track in FIG. 1 built on a bridge;

fig. 6 is a schematic three-dimensional structure diagram of the built-in limiting assembly type track in fig. 1 built on a tunnel.

Description of the figures

1. A steel rail; 2. a fastener group; 3. a track slab module; 301. a rail bearing platform; 302. a track plate; 5. an intermediate layer; 6. a base plate; 7. a limiting stop table; 701. an elastic connecting ring; 702. limiting a compression ring; 703. a damping connecting column; 704. connecting rod pieces; 9. A roadbed; 10. a box girder; 11. a support; 12. a bridge pier; 13. and (4) tunneling.

Detailed Description

The embodiments of the utility model will be described in detail below with reference to the accompanying drawings, but the utility model can be embodied in many different forms, which are defined and covered by the following description.

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a built-in limit-built-up type track, including: the base assembly that extends along the train traffic direction, the base assembly upper berth is equipped with the track unit of laying in proper order along its length direction, and the track unit includes the track board module 3 of laying in proper order along length direction, is equipped with between adjacent track board module 3 to be used for carrying out the spacing fender platform 7 that elasticity is spacing along vertically and transversely to track board module 3. The limiting blocking platform 7 comprises a supporting framework part and an elastic connecting part, the supporting framework part is located between the adjacent track slab modules 3, the lower end of the supporting framework part is fixed with the base assembly, and the elastic connecting part is coated outside the supporting framework part and is connected between the adjacent track slab modules 3 in a filling mode so as to be used for connecting the adjacent track slab modules 3 and the base assembly into a detachable integral structure.

In the built-in limiting assembled track, the track unit is combined by multiple modules through the track plate modules 3, so that the applicability is strong, the track plate modules 3 are designed in a standardized way, produced in a factory and installed intelligently, the prefabricated modules are miniaturized and lightened, the production, stacking, transportation and installation are convenient, the track forming efficiency and quality are improved, a modularized and assembled forming mode is realized, the assembling method is simple and convenient, the assembling efficiency is high, and the development requirements of modern tracks are met; on the other hand, compared with the prior art that when the track slab 302 is damaged in the operation process, the whole track slab 302 is replaced or maintained, the damaged track module is only needed to be replaced or maintained, so that the rapid repair can be realized, the replacement is simple, the maintenance cost is low, the maintenance required period is short, and the labor intensity of workers is low.

In the built-in limiting assembled track, the limiting baffle table 7 can limit the adjacent track slab modules 3 in the longitudinal direction and the transverse direction, the limiting function of the fixed baffle table is reserved, the limiting baffle table 7 can elastically limit the adjacent track slab modules 3 in the longitudinal direction and the transverse direction, and the limiting baffle table 7 is elastically connected with the adjacent track slab modules 3, so that the track slab modules 3 can be subjected to adaptive fine adjustment of the paving position according to the temperature and the load condition through the limiting baffle table 7, and the dynamic impact between the track slab modules 3 and the baffle tables can be buffered.

Alternatively, as shown in fig. 2, the track plate module 3 includes track plates 302 sequentially laid on the base assembly at intervals along the length direction of the base assembly, rails 1 extending along the length direction of the base assembly and arranged above the track plates 302 at intervals in parallel, and rail support platforms 301 sequentially laid on the upper surface of the track plates 302 at intervals along the length direction of the track plates 302 to support the correspondingly arranged rails 1; the rail support platform 301 is connected with a fastener group 2 for locking and fixing the corresponding steel rail 1 and the rail support platform 301. In the alternative, the track plate 302 and the track bearing platform 301 are prefabricated and molded by a factory, so that the processing is simple and the manufacturing precision is high. In the alternative, the number of the fastener groups 2 is two, and the two fastener groups 2 are respectively arranged on two sides of the steel rail 1; every group fastener 2 is including the spiral railway nail and the plain washer that are used for the straining rail, be used for preventing the spiral railway nail installation back pivoted bullet strip, an insulating block that is used for straining rail lower extreme edge, a gauge apron that is used for supporting rail 1 and support rail platform 301 inner groovy, the rail lower bolster, the iron base plate, iron base plate lower elastic backing plate, increase backing plate and pre-buried sleeve under the iron base plate, spiral railway nail wears to establish the rail lower bolster, the iron base plate, iron base plate lower elastic backing plate, screw into in the pre-buried sleeve of corresponding support rail platform 301 behind the increase backing plate under the iron base plate, through insulating block and bullet strip straining rail.

Optionally, as shown in fig. 2, the connecting ends of two adjacent track plates 302 are respectively provided with an inward concave accommodating groove, and the accommodating grooves at the connecting ends of two adjacent track plates 302 are spliced to form an accommodating cavity for accommodating the limit stop table 7; the supporting framework part is positioned in the accommodating cavity, and the lower end of the supporting framework part is fixed with the base assembly; the elastic connecting part is wrapped outside the support framework part and is filled and connected in the accommodating cavity so as to connect the adjacent track slab modules 3 and the base assembly into a detachable integral structure.

In this alternative, as shown in fig. 3, the supporting frame part includes a connecting rod 704 for supporting the frame and limiting, a damping connecting column 703 with vibration damping and damping properties, and a limiting ring 702 for pressing and limiting two adjacent track plates 302 downwards. The lower end of the connecting rod 704 is fixed to the base assembly, for example, a pre-embedded connector is embedded in the base assembly, the lower end of the connecting rod 704 is fixedly connected to the pre-embedded connector, and the upper end of the connecting rod 704 extends into the accommodating cavity. The limiting press ring 702 is located in the accommodating cavity and sleeved on the outer circle of the connecting rod 704. Damping connecting column 703 is cast in place and filled between limiting compression ring 702 and connecting rods 704 for connecting rods 704 and limiting compression ring 702 into a whole.

In the embodiment of this alternative embodiment, the connecting rod 704 is made of rigid material, such as i-steel, which is easy to obtain, easy to manufacture, and reliable in connection strength. The damping connecting column 703 is formed by pouring and filling self-leveling high-damping concrete in situ, the concrete plays a role in supporting the upper structure of the limit stop table 7 and damping, the self-leveling performance ensures the construction performance and quality of the concrete, and the high-damping performance ensures the damping effect of the concrete. The limiting compression ring 702 is prefabricated and molded by a factory, is made into a prefabricated part by adopting ultra-high performance concrete UHPC, has the compressive strength of more than 150MPa and excellent anti-cracking performance and durability, and is used for pressing down the track slab so as to limit the displacement of the track slab.

In the embodiment of this alternative, as shown in fig. 3, the inner peripheral wall of the accommodating cavity is provided with a limiting bayonet. The peripheral wall of the limiting pressure ring 702 is provided with a limiting step which is matched with the limiting bayonet to limit the limiting pressure ring 702, the limiting step on the peripheral wall of the limiting pressure ring 702 is matched with the limiting bayonet in the accommodating cavity to limit the installation of the limiting pressure ring 702, and two adjacent track plates 302 are downwards pressed and positioned through the limiting pressure ring 702.

In this alternative, as shown in fig. 3, the elastic connection portion includes an elastic connection ring 701 functioning as an elastic connection; the elastic connecting ring 701 is poured and filled between the limiting compression ring 702 and the accommodating cavity in situ, so that the adjacent track plates 302 are connected with the base assembly to form a detachable integral structure after being elastically connected.

In the specific embodiment of this alternative, the elastic connection ring 701 is formed by casting and filling one of polyurethane, epoxy-modified polyurethane, and polyurethane-modified epoxy materials in situ, and plays a role in elastic connection between structural components, so that the track slab module 3 can perform adaptive fine adjustment of the paving position according to the temperature and load conditions. During actual construction, the limiting compression ring 702 is firstly pressed in the accommodating cavity, then self-leveling high-damping concrete is adopted to pour a gap between the limiting compression ring 702 and the connecting rod piece 704 to form a damping connecting column 703, and one of polyurethane, epoxy modified polyurethane and polyurethane modified epoxy materials is adopted to pour and fill the gap between the limiting compression ring 702 and the inner ring wall of the accommodating cavity to form the elastic connecting ring 701.

The limiting baffle table 7 is simple in structure and easy to assemble and construct; the limiting blocking platform 7 can limit the adjacent track slab modules 3 longitudinally and transversely, and the limiting function of the existing fixed blocking platform is reserved; the limit stop table 7 elastically limits the adjacent track slab modules 3 in the longitudinal direction and the transverse direction, and the limit stop table 7 is elastically connected with the adjacent track slab modules 3, so that the track slab modules 3 can be subjected to adaptive fine adjustment of paving positions according to the temperature and load conditions through the limit stop table 7, and the built-in limit assembled track structure is high in precision and good in smoothness.

Optionally, as shown in fig. 3, the receiving cavity is located in the center of the width direction of the track slab 302, and two receiving cavities that are spliced to form the receiving cavity have the same structure and are arranged oppositely, and the structural arrangement manner of the receiving cavity makes the acting force of the limiting blocking platform 7 on two adjacent track slabs 302 tend to be balanced, so that the track slab has good load bearing performance, high working precision during service, and good structural stability.

In the alternative, the limit stop table 7 is one of a cylinder, an elliptic cylinder, a polygonal column and a kidney-shaped column. The shape of the accommodating cavity is matched with that of the limiting blocking platform 7, and the structural shape of the limiting blocking platform 7 can be specifically set according to the specific installation environment of the track, the load bearing condition, the stress condition and the like.

Alternatively, as shown in fig. 1 to 3, the base assembly comprises a base plate 6 for supporting and leveling the steel rail 1, and an intermediate layer 5 laid on the base plate 6 along the length direction of the base plate 6; the base plate 6 is constructed on the supporting foundation and extends along the running direction of the train; the track plates 302 are sequentially laid on the intermediate layer 5 at intervals along the longitudinal direction of the intermediate layer 5.

In the alternative, the top surface of the base plate 6 can be formed to millimeter-scale precision by in-situ pouring, namely the precision of the top surface of the base plate 6 can reach millimeter level; or the base plate 6 is prefabricated and molded in a factory, and a leveling adjustment layer positioned below the base plate 6 is formed by casting in situ so as to form millimeter-scale precision of the top surface of the base plate 6; or the base plate 6 is replaced by asphalt, high-performance concrete or the existing novel material, and is pressed down by the track plate to form millimeter-level precision of the top surface during cast-in-place.

Before constructing the built-in limiting assembled type track, firstly, prefabricating and forming all composition structures of a track slab module 3 in a factory, assembling and connecting all the composition structures to form the track slab module 3, and then selecting a suitable middle layer 5 according to a specific application scene, an isolation supporting condition and the like of the built-in limiting assembled type track; when the built-in limiting assembled track is constructed, the limiting baffle tables 7 are sequentially arranged at intervals along the length direction of the supporting foundation, the connecting parts of the limiting baffle tables 7 are fixedly connected with the corresponding supporting foundation, then, in-situ pouring the base plate 6 laid on the supporting foundation, and in the process of pouring the base plate 6, according to the height and smoothness requirements of the built-in limiting assembled track, the height and smoothness of the base plate 6 are accurately adjusted in real time, then the middle layer 5 is arranged on the base plate 6 after penetrating the limit stop table 7, the track plate modules 3 are sequentially arranged on the middle layer 5 at intervals, and finally the limit stop table 7 and the adjacent track plate modules 3 are connected, so that the limiting baffle table 7 connects the track slab module 3, the middle layer 5 and the base plate 6 into an elastic and detachable integral structure.

Compared with the prior art, when the base plate 6 is poured, the fixed baffle table and the base plate 6 are poured integrally, so that the pouring efficiency of the base plate 6 is low, and the fixed baffle table is required to be poured at the same time, so that the mechanical operation rate is low, and the labor intensity of pouring personnel is high; in the utility model, the main structure of the limit baffle table 7 is intelligently built by adopting prefabricated assembly, after the base assembly is constructed, the connecting part of the limit baffle table 7 is fixedly connected with the base assembly by embedding a connecting piece in the base assembly in advance and the like, the cast-in-place forming of the fixed baffle table in the traditional construction technology is changed, the requirement of quick assembly provided by the utility model is met, meanwhile, the later maintenance and disassembly and assembly of the track structure are facilitated, the base plate 6 in the base assembly can be mechanically cast, the casting efficiency of the base plate 6 is high, the forming quality is good, and the labor intensity of constructors can be effectively reduced.

Compared with the prior art that the smoothness of the top surface of the track structure is controlled by pouring the filling layer between the track plate 302 and the base plate 6 through site construction, in the built-in limiting assembled track structure, the height and the smoothness of the base plate 6 can be accurately controlled in the process of pouring the base plate 6, and further the integral height and the smoothness of the built-in limiting module assembled track structure are controlled; or the base plate 6 is prefabricated and molded in a factory, and a leveling adjustment layer is formed on the supporting base by casting in situ so as to form millimeter-level precision on the top surface of the base plate 6; or the base plate 6 is replaced by asphalt, high-performance concrete or the existing novel material, and is pressed and molded by the track plate 302 during cast-in-place so as to form millimeter-level precision of the top surface; therefore, the built-in limiting assembled track has the advantages of simple fine adjustment and installation, high installation precision, various forms and simple construction process.

In this alternative, as shown in fig. 4 to 6, the foundation plate 6 is formed by casting in place on the supporting foundation, for example, the foundation plate 6 is formed by casting in place on the roadbed 9 of the railway, as shown in fig. 4, or the foundation plate 6 is formed by casting in place on the box girder 10 of the abutment 11 on the pier 12, as shown in fig. 5, or the foundation plate 6 is formed by casting in place on the tunnel 13, as shown in fig. 6, the foundation plate 6 can be widely installed, and has high adaptability. The base plate 6 is used for supporting the middle layer 5 and the track slab module 3, and is used for accurately controlling the height and the smoothness of the built-in limiting assembled track in the pouring forming process, and the lower end of the connecting rod piece 704 is fixed with the base plate 6. During actual construction, if an imported paver is adopted for construction, the elevation of a base layer is controlled by using machine vision measurement, meanwhile, settlement observation is enhanced, the stability of the roadbed is analyzed and predicted according to data obtained by observation, in order to reduce errors of elevation and thickness control, a section of every 8-10 m can be adopted, and a plurality of point measurements are sequentially arranged on each section at intervals; when the number of elevation measuring points is large in construction, the workload of elevation comparison and thickness calculation is large, an electronic computer can be used for conducting elevation comparison and thickness calculation, the set elevation of the base plate and the measured elevation of each measuring point are made into a data file, the difference value between the elevation of each measuring point and the designed elevation, the thickness of each measuring point, the thickness average value, the mean square deviation and the representative value of each paragraph are calculated through a compiled data processing program, and therefore the next adjustment and control can be guided.

Or, according to the requirement of high-precision construction of the position and shape of the assembly type track base plate, the construction effect, the implementation performance and the accessibility of the base plate precision are comprehensively considered, and the intelligent construction equipment technology of the assembly type track base plate is researched, and the intelligent construction equipment technology can comprise the following technical modules: 1) base plate concrete placement technique: through the comparative research on the technical advantages and feasibility of fixed and movable concrete mixing stations, the construction modes of a concrete raw material supply system and a raw material mixing and pouring system are provided, and the implementation technology and equipment of the base plate concrete pouring process flow are provided; 2) the intelligent space configuration precise control technology comprises the following steps: the method comprises the steps of providing a precise measurement and intelligent control technology suitable for the position shape of a base plate of an assembled track structure by integrating an inertial navigation system, a global positioning navigation system (GPS, Beidou), a vision measurement system, a three-dimensional laser scanning system and the like through comparison and selection; 3) shaping and shaping technology: corresponding construction technology and equipment are provided through the feasibility of a base plate shaping forming technology, a space profile extrusion adjusting technology and a top surface planing, grinding and leveling technology, so that an intelligent base plate shaping and shaping technology with self-adaptability is formed; 4) the intelligent control system comprises: a central control system of the assembly type track bed plate intelligent construction equipment technology is provided by integrating a bed plate concrete pouring technology, an intelligent space configuration precise control technology and a shaping and shaping technology, so that perception identification, precise measurement, intelligent decision and feedback adjustment of the whole process of bed plate construction are realized, and the requirement of precise shaping of the space configuration of the bed plate is met.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a built-in spacing pin-connected panel track which characterized in that includes:

the base assembly extends along the running direction of a train, track units which are sequentially distributed along the length direction of the base assembly are paved on the base assembly, each track unit comprises track plate modules (3) which are sequentially distributed along the length direction, and a limiting stop table (7) used for elastically limiting the track plate modules (3) along the longitudinal direction and the transverse direction is arranged between every two adjacent track plate modules (3);

the limiting blocking platform (7) comprises a supporting framework part and an elastic connecting part, the supporting framework part is located between the adjacent track slab modules (3), the lower end of the supporting framework part is fixed with the base assembly, and the elastic connecting part covers the supporting framework part and is connected between the adjacent track slab modules (3) in a filling mode so as to be used for connecting the adjacent track slab modules (3) and the base assembly into a detachable integral structure.

2. The built-in limit assembled track according to claim 1,

the track plate module (3) comprises track plates (302) sequentially laid on the base assembly at intervals along the length direction of the base assembly, steel rails (1) extending along the length direction of the base assembly and parallelly arranged above the track plates (302) at intervals, and track bearing platforms (301) sequentially arranged on the upper surface of the track plates (302) at intervals along the length direction of the track plates (302) to support the correspondingly arranged steel rails (1);

the rail bearing platform (301) is connected with a fastener group (2) used for locking and fixing the corresponding steel rail (1) and the rail bearing platform (301).

3. The built-in limit assembled track according to claim 2,

the connecting ends of two adjacent track plates (302) are respectively provided with an inwards concave containing groove, and the containing grooves at the connecting ends of two adjacent track plates (302) are spliced to form a containing cavity for containing the limiting baffle table (7);

the supporting framework part is positioned in the accommodating cavity, and the lower end of the supporting framework part is fixed with the base assembly;

the elastic connecting part is wrapped outside the support framework part and is connected in the accommodating cavity in a filling mode, so that the adjacent track plate modules (3) and the base assembly are connected into a detachable integral structure.

4. The built-in limit assembled track according to claim 3,

the supporting framework part comprises a connecting rod piece (704) which plays a role in supporting the framework and limiting, a damping connecting column (703) with vibration damping and damping performances, and a limiting pressing ring (702) which is used for pressing and limiting two adjacent track plates (302) downwards;

the lower end of the connecting rod piece (704) is fixed with the base assembly, and the upper end of the connecting rod piece (704) extends into the accommodating cavity;

the limiting compression ring (702) is positioned in the accommodating cavity and sleeved on the outer circle of the connecting rod piece (704);

the damping connecting column (703) is filled between the limiting compression ring (702) and the connecting rod piece (704) in a cast-in-place mode, so that the connecting rod piece (704) and the limiting compression ring (702) are connected into a whole.

5. The built-in limit assembled track according to claim 4,

the inner peripheral wall of the accommodating cavity is provided with a limiting bayonet;

the outer peripheral wall of the limiting compression ring is provided with a limiting step matched with the limiting bayonet to limit the limiting compression ring in a limiting mode.

6. The built-in limit assembled track according to claim 4,

the elastic connection part comprises an elastic connection ring (701) which plays a role of elastic connection;

the elastic connecting ring (701) is filled between the limiting compression ring (702) and the accommodating cavity in a cast-in-place mode, so that the adjacent track plates (302) are connected into a detachable integral structure after being elastically connected.

7. The built-in limit assembled track according to claim 3,

the containing cavity is positioned at the center of the track plate (302) in the width direction, and the two containing grooves spliced to form the containing cavity are identical in structure and are oppositely arranged.

8. The built-in limit assembled track according to claim 3,

the limiting blocking platform (7) is one of a cylinder, an elliptic cylinder, a polygonal column and a kidney-shaped column;

the shape of the accommodating cavity is matched with that of the limiting blocking table (7).

9. The built-in limit assembled track according to claim 2,

the base assembly comprises a base plate (6) which plays a supporting role and is used for leveling the steel rail (1), and an intermediate layer (5) which is laid on the base plate (6) along the length direction of the base plate (6);

the base plate (6) is constructed on a supporting foundation and extends along the running direction of the train;

the track plates (302) are sequentially laid on the middle layer (5) at intervals along the length direction of the middle layer (5).

10. The built-in limit assembled track according to claim 9,

the supporting foundation is a railway roadbed (9), or a box girder (10) on a support (11) on a pier (12), or a foundation of a tunnel (13);

the base plate (6) is also used for accurately controlling the height and the smoothness of the built-in limiting assembled track in the pouring forming process.

Images