CN214737026U

CN214737026U - Detachable ballast bed curing and sealing structure

Info

Publication number: CN214737026U
Application number: CN202120240706.0U
Authority: CN
Inventors: 李建树; 刘义安
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-16
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to a detachable ballast bed solidification sealing structure, which comprises a solidified ballast bed; a sleeper for bearing a steel rail is paved on the solidified stone ballast track bed; modular ballast bed sealing layers are arranged between the sleepers and/or at the two ends of the sleepers; a key block positioned below the steel rail is arranged between the adjacent sleepers; the key blocks isolate the enclosed layers of the track beds at two sides of the steel rail. The top surface of the railway ballast track bed is ensured to form a smooth surface, so that scattered materials in the transportation, loading and unloading processes are ensured not to invade into the track bed, and meanwhile, the railway ballast track bed is convenient to disassemble and restore, and the maintenance and the repair of the railway track bed and related equipment are convenient. Only the most basic structure is presented here. The key block is a detachable elastic piece which can be of common structures such as rubber, elastic plastic and the like and equivalent structures; the utility model relates to a rationally, compact structure and convenient to use.

Description

Detachable ballast bed curing and sealing structure

Technical Field

The utility model relates to a detachable ballast bed curing and sealing structure and a method, in particular to a detachable and restorable ballast bed curing and sealing method and a structure (also called a detachable ballast bed curing and sealing component).

The utility model discloses the technique belongs to trade and the operation place that railway transportation and harbour, mine etc. need adopt the railway ballast to stabilize the rail, and its mainly used rail ballast's of railway ballast bed solidification sealing technique solidification, seal and stabilize, make and make on the ballast of steadily putting the rail and seal the whole face to prevent that particulate material from falling behind and invading the railway roadbed, cause the waste, be convenient for clean simultaneously, guarantee that the railway roadbed environment is clean and tidy, improve for the operation environment and provide the condition. Meanwhile, the detachable and recoverable railway track bed solidification sealing method adopts a design of 'block type, detachable and recoverable' and creates conditions for maintenance, repair and the like of the railway track bed and related equipment.

Background

At present, steel rail bed structures of railway lines of railway tunnels, station yards, goods yards and power plants, material piling and taking machines of ports and material yards and the like are mostly provided with stone ballast paved on a roadbed, and then, steel rail structures are paved. Because there is the clearance between the railway ballast, especially unload places such as coal line, harbour stacker-reclaimer, when the industry loads and unloads particulate material, have many scattered aggregate material to fall into within the railway ballast, can't clear up, not only form very big waste, still cause environmental pollution, even caused the pollution of railway line railway ballast, influenced the line stability. In addition, in a railway tunnel, when a large amount of articles such as coal ash are accumulated, not only the environment is affected, but also the explosion risk is possibly caused. In order to solve the problems of pollution and cleaning of a steel rail track bed caused by scattering of particle materials in the loading and unloading process, the track bed is directly made into concrete in the conventional special line for the coal yard railway, but the stability of vehicle passing is seriously influenced due to the fact that no stone ballast exists in the special line, and the steel rail and the vehicle wheel set are extremely easy to damage. At present, with the progress of high-speed rail technology, the integral ballast bed technology is applied to a coal unloading line, and the integral ballast bed technology of the high-speed rail is adopted in a coal unloading line of a newly-built coal wharf. However, the integral track bed converted by the high-speed rail technology has high construction technical requirements, long construction period and huge investment, is unnecessary for special lines for coal discharge of goods yards, stations, power plants and the like relative to the transportation speed of the special lines, and can be constructed after all lines are cleaned for the railway lines which adopt the common stone ballast track bed, the construction period is longer, and the normal transportation production order is seriously influenced. When the novel railway station line is used for special lines of railway stations, goods yards, power plants and the like, the novel railway station line can be used for newly building lines, and the special lines of the built railway stations, goods yards and power plants are not needed, and sometimes corresponding transformation is very difficult. In addition, after the integral ballast bed is built, the ballast bed and the like need to be completely dismantled when the maintenance is needed, such as ground sinking and the like, so that the construction amount is huge, and the integral ballast bed becomes an unrepairable structure.

The railway ballast bed sealing technology can solve the problem that the granular materials are scattered and invaded into the bed in the loading and unloading process, and meets the requirement of cleaning. However, when a line or a steel rail track bed needs to be maintained, the sealing layer at the top of the track bed needs to be detached and damaged, which causes waste.

"a railway solidification seals railway ballast bed and solidification sealing method" utility model patent number CN201420455142.2, invention patent number CN201410395929.9 of Liuyi' an et al, solved the ballast bed solidification problem betterly, seal railway ballast under the condition of guaranteeing the circuit stability, make railway circuit ballast bed become smooth surface, in order to guarantee the transportation, the material that scatters in the handling, in no longer invading the ballast bed, also be convenient for simultaneously with falling down on the railway circuit article such as cinder, the clean up, the material waste in the handling has been reduced, the environmental sanitation around the railway circuit has also been improved, operation production near provides convenience. However, when the track bed and the related equipment need to be repaired due to the sinking of the ground or other factors, the sealing layer on the top of the track bed is damaged, and the sealing layer cannot be reused after being damaged. Thus, not only is the maintenance speed influenced, but also waste is caused.

Therefore, the utility model discloses the people has carried out the redesign on this basis, and this design is exactly when the railway roadbed seals, through making "sectional type, can disassemble, recoverable formula" structure with the seal coat of its railway ballast, has created the condition for the maintenance of rail railway roadbed and relevant equipment, maintenance etc.. Meanwhile, the original sealing layer is still used for recovery after the maintenance is finished, so that the waste is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a dismantled and assembled railway roadbed solidification enclosed construction and method on the whole. The utility model discloses be exactly when the railway roadbed seals, with the seal coat of its railway ballast through making "sectional type, can disassemble, resume formula" structure, for the maintenance of rail railway roadbed etc. creates the condition. Meanwhile, the original sealing layer is still used for recovery after the maintenance is finished, so that the waste is reduced. The method is a detachable, repairable and reusable top sealing layer method based on the railway track bed sealing and curing technology, and further optimizes the track bed curing and sealing technology. The top surface of the railway ballast bed is ensured to form a smooth surface, so that scattered materials in the transportation and loading and unloading processes are ensured not to invade into the ballast bed, the objects such as coal cinder and the like falling on an operation place and a railway line are cleaned conveniently, the material waste in the loading and unloading process is reduced, the operation environment is improved, meanwhile, a convenient maintenance condition is provided for the maintenance of the railway ballast bed and related equipment, and the maintenance cost of a solidified closed railway track bed is also saved.

In order to solve the above problems, the utility model adopts the following technical proposal:

a detachable ballast bed solidification sealing structure comprises a solidified ballast bed; a sleeper for bearing a steel rail is paved on the solidified stone ballast track bed;

modular ballast bed sealing layers are arranged between the sleepers and/or at the two ends of the sleepers; a key block positioned below the steel rail is arranged between the adjacent sleepers; the key blocks isolate the enclosed layers of the track beds at two sides of the steel rail.

The top surface of the railway ballast track bed is ensured to form a smooth surface, so that scattered materials in the transportation, loading and unloading processes are ensured not to invade into the track bed.

Only the most basic structure is presented here. As a further improvement of the above technical solution:

the key block is a detachable elastic piece which can be of common structures such as rubber, elastic plastic and the like and equivalent structures.

The transverse edge distance of the key block is greater than or equal to the width of the bottom of the steel rail;

the longitudinal edge distance of the key block is less than or equal to the longitudinal edge distance of the gap between the adjacent sleepers;

the thickness of the key block is larger than or equal to the thickness of the adjacent track bed sealing layer.

Sectional type slag blocking walls are arranged at two end parts of the sleeper; a modularized ballast bed sealing layer is arranged between the end part of the sleeper and the corresponding sectional type ballast blocking wall;

a reserved process joint is arranged between the track bed sealing layer at the end part of the sleeper and the track bed sealing layer at the gap part of the adjacent sleeper, and caulking and crack pouring fillers are arranged in the process joint.

At least one layer of flexible isolation layer is laid between the ballast bed sealing layer and the solidified stone ballast bed.

And is convenient for future disassembly and assembly.

The flexible isolation layer is a waterproof and anti-cracking coiled material.

An elastic isolation layer is pre-adhered to the vertical side surface of the sleeper; the elastic isolation layer is generally made of rubber, felt or asphalt plate, foam plate (such as polyethylene closed-cell foam plate) and the like.

The sealing layer is just like floating on the ballast bed and is not easy to damage.

A process joint is reserved between the closed layer of the track bed and the sleeper, and caulking and crack pouring fillers are arranged in the process joint.

The caulking and crack pouring structure ensures that the sealing layer on the top of the ballast bed becomes an integral surface and does not leak.

The closed layer of the ballast bed is poured by anti-crack concrete;

the caulking joint filling filler comprises sealant, asphalt joint filling glue or waterproof glue.

A detachable ballast bed solidification sealing structure comprises a solidified ballast bed; the self-compacting steel rail ballast comprises a steel rail ballast bed, wherein elastic self-compacting concrete is mixed in the steel rail ballast bed, and elastic particles are doped and/or ballast glue is injected. This structure guarantees that the stone tiny fragments of stone, coal, etc. railway roadbed is firm, can bear the weight of the vehicle permanently and pass. Meanwhile, the sealing layer is not easy to age and damage due to the covering of the sealing layer.

Through above-mentioned structure, can seal rail track bed stone ballast top, when can effectively preventing guaranteeing the loading and unloading granular goods of railway train, avoid in the material invasion rail track stone ballast that scatters, the aggregate that scatters simultaneously also is convenient for clear up, provides good environmental condition for handling operation etc.. Meanwhile, the detachable and recoverable ballast bed solidifying and sealing method enables the top of the ballast bed to form a structure of a 'sectional type, detachable and recoverable' structure, and creates conditions for detachment, maintenance, recovery and the like during maintenance of the steel rail ballast bed. The utility model relates to a rationally, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.

Drawings

Fig. 1 is a schematic structural view of a first cross-sectional view of the present invention.

Fig. 2 is a schematic structural view of a second cross-sectional view of the present invention.

Fig. 3 is a schematic plan view of the present invention.

Fig. 4 is a schematic side view of the present invention taken along the direction of fig. 3.

Wherein: 1. A ballast bed seal layer; 2. caulking and pouring filler; 3. a segmented ballast retaining wall; 4. a key block; 5. a sleeper; 6. a steel rail; 7. solidifying the stone ballast track bed; 8. a flexible barrier layer; 9. an elastic barrier layer.

Detailed Description

As shown in fig. 1 to 4, as shown in fig. 1, the removable track bed solidifying and sealing structure of the embodiment includes a solidified ballast track bed 7; a sleeper 5 for bearing a steel rail 6 is paved on the solidified stone ballast track bed 7;

modular ballast bed sealing layers 1 are arranged between the sleepers 5 and/or at the two ends of the sleepers 5; a key block 4 positioned below the steel rail 6 is arranged between the adjacent sleepers 5; the key block 4 isolates the track bed enclosed layers 1 on both sides of the rail 6.

The key block 4 is a removable elastic member.

The transverse edge distance of the key block 4 is greater than or equal to the width of the steel rail 6;

the longitudinal edge distance of the key block 4 is less than or equal to the longitudinal edge distance of the gap between the adjacent sleepers 5;

the thickness of the key block 4 is larger than or equal to the thickness of the adjacent track bed closing layer 1.

Sectional type slag blocking walls 3 are arranged at two end parts of the sleeper 5; a modular ballast bed sealing layer 1 is arranged between the end part of the sleeper 5 and the corresponding sectional type ballast blocking wall 3;

a reserved process joint is arranged between the track bed sealing layer 1 at the end part of the sleeper 5 and the track bed sealing layer 1 at the gap part of the adjacent sleeper 5, and caulking and crack pouring fillers 2 are arranged in the process joint.

At least one layer of flexible isolation layer 8 is laid between the track bed sealing layer 1 and the solidified stone ballast track bed 7.

The flexible isolation layer 8 is a waterproof and anti-cracking coiled material.

An elastic isolation layer 9 is pre-adhered on the vertical side surface of the sleeper 5; the elastic isolation layer 9 can be cut from rubber, felt or asphalt, foam board (such as polyethylene closed-cell foam board), etc.

Reserving a process joint between the ballast bed sealing layer 1 and the sleeper 5, wherein caulking and crack pouring fillers 2 are arranged in the process joint;

the roadbed sealing layer 1 is poured by anti-crack concrete;

the caulking joint filling filler 2 comprises sealant, asphalt joint filling glue or waterproof glue.

The detachable ballast bed solidification sealing structure of the embodiment comprises a solidified ballast bed 7; the self-compacting steel rail ballast comprises a steel rail ballast bed, wherein elastic self-compacting concrete is mixed in the steel rail ballast bed, and elastic particles are doped and/or railway ballast glue is injected.

At least one layer of flexible isolation layer 8 is laid above the solidified stone ballast track bed 7.

For further explanation: referring to fig. 1-4, the removable track bed curing enclosure and method of implementation is as follows:

firstly, two sides of a railway line are provided with sectional type slag blocking walls 3, and the separation length of the sectional type slag blocking walls 3 can be 12.5m and 25.0m according to the standard length of a steel rail, so that the sectional type slag blocking walls can be conveniently moved when being constructed and needing to be dismantled.

And (II) curing the railway ballast bed stone ballast, and mixing elastic particles into the steel rail ballast through multiple tamping and compacting or injecting ballast glue, elastic self-compacting concrete and the like into the steel rail ballast bed stone ballast so as to ensure that the stone ballast bed is stable and can permanently bear vehicles to pass, thereby forming a solidified stone ballast bed 7.

And (III) paving a flexible isolation layer 8 at the top of the solidified stone ballast track bed 7, wherein the flexible isolation layer 8 is used for isolating the solidified stone ballast track bed 7 from the track bed sealing layer 1 at the top, preventing adhesion and facilitating future dismounting. The flexible isolation layer 8 is generally made of tear-resistant waterproof materials, and the head of the original sleeper 5 and the sleeper 5 are paved in a partitioning mode through the flexible isolation layer 8 during construction. Meanwhile, in order to facilitate the later disassembly of the top ballast bed sealing layer and prevent the formation of mutual adhesion of the subsequently poured concrete, the flexible isolation layer 8 can be made into a single-layer or double-layer structure, so that the disassembly and the movement of the ballast bed sealing layer 1 are facilitated.

And (IV) pre-sticking an elastic isolation layer 9 as an elastic interval on the vertical side surface of the sleeper 5, wherein the elastic isolation layer can be made of rubber, felt or asphalt plate, foam plate (such as polyethylene closed-cell foam plate) and the like.

The elastic isolation layer 9 can reduce the influence of the vibration activity of the sleeper 5 on the closed concrete on the top surface of the railway bed closed layer 1 when vehicles pass.

And (V) installing an elastic key block 4 between adjacent sleepers 5, wherein the elastic key block 4 is used for unlocking the lock block when the railway roadbed sealing layer 1 is removed, and the key block 4 is generally formed by cutting elastic rubber materials. The key block 4 is generally arranged right below the bottom of the steel rail 6, the length of the key block is the width of the steel rail 6, the thickness of the key block is equal to or slightly larger than the thickness of the railway track bed sealing layer 1, and the width is based on the distance between two adjacent sleepers 5. In addition, in order to reduce the construction complexity, the key block 4 can also be arranged in the middle of the gap between the adjacent sleepers 5 and is mainly used for disassembling nodes when the railway bed top sealing layer 1 is disassembled. When the related equipment of the railway bed is maintained in the future, the key block 4 can be firstly removed, and then the railway bed sealing layer 1 between the sleepers 5 and the like can be well removed.

And (VI) pouring a railway bed sealing layer 1 between the sleepers 5 and the top of the sleepers 5 (namely, the inner side part close to the sectional type slag blocking wall 3). The closed layer 1 of the ballast bed is generally formed by pouring anti-cracking concrete. When the railway bed sealing layer 1 is constructed, the block pouring is carried out according to the top of the sleeper 5, the position between the adjacent sleepers 5, the position of the key block 4 and the like. During construction, the position and the distance of the sleepers 5 on site and the actual positions and the sizes of the key blocks 4 and the like are reasonably adjusted. Thus, the closed layer 1 of the railway ballast bed is made into a block type structure.

And (seventhly) performing caulking and pouring on reserved joints, working joints and the like generated by blocking operation existing in construction or preset by adopting the elastic caulking and pouring filler 2 to ensure that the top sealing layer of the ballast bed becomes an integral surface and does not leak.

(eighth) demolition and recovery. When railway ballast beds and related equipment need to be maintained in future, the key block 4 for disassembling the node is made of elastic materials, so that the key block 4 can be easily disassembled, and then the ballast bed sealing layer 1 between the sleepers, the top sealing layer 1 of the sleepers and the like can be disassembled. When the roadbed is restored, the original roadbed sealing layer forms a block type structure, the roadbed can be installed again according to the original construction smoothness and position, finally, the elastic caulking and crack pouring filler 2 is still used for caulking and crack pouring, and the roadbed solidification sealing structure can be restored. The detachable roadbed solidification sealing structure becomes a 'blocked, detachable and recoverable' structure, and creates favorable conditions for maintenance of the steel rail roadbed and related equipment and the like.

The present invention has been fully described for a clear disclosure, and is not further described in detail in the prior art. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A detachable ballast bed solidification sealing structure comprises a solidified ballast bed (7); a sleeper (5) for bearing a steel rail (6) is paved on the solidified stone ballast track bed (7); the method is characterized in that:

modular track bed sealing layers (1) are arranged between the sleepers (5) and/or at the two ends of the sleepers (5); a key block (4) positioned below the steel rail (6) is arranged between the adjacent sleepers (5); the key block (4) isolates the track bed sealing layers (1) on two sides of the steel rail (6).

2. The removable ballast bed curing enclosure of claim 1, wherein:

the key block (4) is a detachable elastic piece.

3. The removable ballast bed curing enclosure of claim 1, wherein: the transverse edge distance of the key block (4) is greater than or equal to the width of the bottom of the steel rail (6);

the longitudinal edge distance of the key block (4) is less than or equal to the longitudinal edge distance of the gap between the adjacent sleepers (5);

the thickness of the key block (4) is larger than or equal to that of the adjacent ballast bed sealing layer (1).

4. The removable ballast bed curing enclosure of claim 1, wherein: sectional type slag blocking walls (3) are arranged at two end parts of the sleeper (5); a modularized ballast bed sealing layer (1) is arranged between the end part of the sleeper (5) and the corresponding sectional type ballast blocking wall (3);

a reserved process joint is arranged between the track bed sealing layer (1) at the end part of the sleeper (5) and the track bed sealing layer (1) at the gap part of the adjacent sleeper (5), and caulking crack filling materials (2) are arranged in the process joint.

5. The removable ballast bed curing enclosure of claim 1, wherein: at least one layer of flexible isolation layer (8) is laid between the track bed sealing layer (1) and the solidified stone ballast track bed (7); the flexible isolation layer (8) is a waterproof and anti-cracking coiled material.

6. The removable ballast bed curing enclosure of claim 1, wherein: the solidified stone ballast track bed (7) comprises steel rail track bed stone ballasts, wherein elastic self-compacting concrete is mixed in the steel rail track bed stone ballasts, and elastic particles are doped and/or track ballast glue is injected.

7. The removable ballast bed curing enclosure of claim 1, wherein: an elastic isolation layer (9) is pre-adhered to the vertical side surface of the sleeper (5); the elastic isolation layer (9) is made of rubber, felt, asphalt board or foam board.

8. The removable ballast bed curing enclosure of claim 1, wherein: reserving a process joint between the track bed sealing layer (1) and the sleeper (5), wherein a caulking crack filling filler (2) is arranged in the process joint;

the closed layer (1) of the ballast bed is poured by anti-crack concrete;

the caulking joint filling filler (2) comprises sealant, asphalt joint filling glue or waterproof glue.

9. A dismantled and assembled railway roadbed solidification enclosed construction which characterized in that: the device comprises a solidified stone ballast track bed (7), wherein modular track bed sealing layers (1) are arranged between sleepers (5) and/or at two end parts of the sleepers (5); the self-compacting steel rail ballast comprises a steel rail ballast bed, wherein elastic self-compacting concrete is mixed in the steel rail ballast bed, and elastic particles are doped and/or railway ballast glue is injected.

10. The removable ballast bed curing enclosure of claim 9, wherein: at least one layer of flexible isolation layer (8) is laid above the solidified stone ballast track bed (7).