CN219604049U - Railway sleeper of multilayer structure - Google Patents

Abstract

The utility model relates to a railway sleeper with a multilayer structure, which comprises a sleeper and a steel rail, wherein a connecting structure is arranged on the sleeper, the sleeper comprises a bottom layer, a connecting layer is fixedly arranged in the bottom layer, a cushion layer is fixedly arranged at the top of the connecting layer, and a surface layer is fixedly arranged at the top of the cushion layer. This multilayer structure's railway sleeper through the multilayer structure who sets up the sleeper, the surface course, the bed course, the tie for the sleeper can have slight deformation buffer capacity, sets up spliced pole, rubber granule simultaneously, makes the sleeper after the deformation can accomplish and resumes fast, has improved the cushioning effect of sleeper, accomplishes the connection rail through setting up by iron backing plate, insulating buffer backing plate cooperation heavy spring washer and plain washer etc. for the rail has certain cushioning effect for the sleeper, has improved the loading effect and the life of sleeper, has also improved the practicality of sleeper.

Description

Railway sleeper of multilayer structure

Technical Field

The utility model relates to the technical field of railways, in particular to a railway sleeper with a multilayer structure.

Background

The sleeper is also called sleeper, is also a railway accessory, and is made of wood, so that the sleeper is required to support the steel rail and maintain the position of the steel rail, and huge pressure transmitted by the steel rail is transmitted to the track bed.

In the prior art, the reinforced concrete sleeper is paved for reducing the use of timber, compared with timber serving as the sleeper, the reinforced concrete sleeper has long service life and good track stability, but the reinforced concrete has certain limitation, and the reinforced concrete has high rigidity and poor elasticity, so that the pressure and vibration acceleration born by a ballast bed are increased, the pulverization of ballast is increased, the sinking of the track is increased, and the running part of a locomotive is adversely affected.

Most of the rails are paved with fine stones as cushion layers to be matched with reinforced concrete for use, so that the fine stones are consumed in a large amount, and therefore, aiming at the fact that the existing railway sleeper lacks an elastic buffer structure, the railway sleeper with a multilayer structure is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the railway sleeper with the multilayer structure, which has the advantages of reducing the consumption of fine stone bedding layers by virtue of the multilayer structure, improving the cushioning performance of the sleeper and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multilayer structure's railway sleeper, includes sleeper and rail, be provided with connection structure on the sleeper, the sleeper includes the bottom, the inside fixed mounting of bottom has the articulamentum, the top fixed mounting of articulamentum has the bed course, the top fixed mounting of bed course has the surface course, surface course swing joint in the bottom, the bottom fixed mounting of surface course has the spliced pole, the recess that a plurality of is offered on the articulamentum, the spliced pole peg graft in the recess, the inside packing of recess has the rubber granule.

Further, one end of the connecting column extending to the inside of the groove is in a truncated cone shape.

Further, the connection structure is including running through in the pre-buried sleeve of sleeper, pre-buried sleeve's top extends to the outside of sleeper, the top fixed mounting of sleeper has insulating buffer backing plate, it has the through-hole to run through on the insulating buffer backing plate, the through-hole with pre-buried sleeve is corresponding, just insulating buffer backing plate with fixed mounting has flat cushion between the pre-buried sleeve, the top fixed mounting of insulating buffer backing plate has the iron backing plate, the iron backing plate with fixed mounting has heavy spring washer between the insulating buffer backing plate.

Further, the top fixed mounting of iron backing plate has the rail backing plate down, the rail butt in the rail backing plate down, run through on the iron backing plate install threaded connection in pre-buried sheathed tube anchor bolt, fixed mounting on the anchor bolt butt in the plain washer of iron backing plate, fixed mounting has the joint post on the iron backing plate.

Further, an insulating block is fixedly installed on the iron base plate and is abutted to the steel rail.

Further, a spring strip is sleeved between the steel rail and the anchor bolt.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this multilayer structure's railway sleeper through the multilayer structure who sets up the sleeper, surface course, bed course, tie layer for the sleeper can have slight deformation buffer capacity, sets up spliced pole, rubber granule simultaneously, makes the sleeper after the deformation can accomplish and resumes fast, has improved the cushioning effect of sleeper, accomplishes the connection rail through setting up by iron backing plate, insulating buffer backing plate cooperation heavy spring washer and plain washer etc. for the rail has certain cushioning effect for the sleeper, has improved the loading effect and the life of sleeper.

Drawings

FIG. 1 is an exploded view of the overall structure of the present utility model;

fig. 2 is an enlarged view of fig. 1 at a in accordance with the present utility model.

In the figure: 1. sleeper; 111. a surface layer; 112. a bottom layer; 113. a connection layer; 114. a cushion layer; 115. a connecting column; 116. a groove; 117. rubber particles; 2. a steel rail; 3. embedding a sleeve; 4. an insulating buffer backing plate; 5. a flat cushion block; 6. an iron backing plate; 7. heavy spring washers; 8. a clamping column; 9. an anchor bolt; 10. a flat gasket; 11. an insulating block; 12. a rail pad; 13. and (5) spring strips.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a railway sleeper of a multilayer structure in the present embodiment includes a sleeper 1 and a rail 2, wherein a connection structure is provided on the sleeper 1, and the rail 2 is connected to the sleeper 1 through the connection structure.

In this embodiment, the sleeper 1 includes a bottom layer 112, the bottom layer 112 is in a concave structure, a connecting layer 113 is fixedly installed in the bottom layer 112, a cushion layer 114 is fixedly installed at the top of the connecting layer 113, a surface layer 111 is fixedly installed at the top of the cushion layer 114, and the surface layer 111 is movably connected to the bottom layer 112.

It should be noted that, the surface layer 111 directly receives the acting force of the steel rail 2, and the steel plate is selected to reduce pulverization of ballast caused by abrasion, the bottom layer 112 is placed on the ground and can be a concrete block, the connecting layer 113 is a reinforcing steel layer for absorbing the conducting acting force, and the cushion layer 114 is a sand stone layer, so that the overall structure of the cushion layer 114 has proper softness and certain elasticity.

In order to enable the sleeper 1 to be deformed appropriately to buffer pressure, the connecting columns 115 are fixedly mounted at the bottom of the surface layer 111 in the embodiment, a plurality of grooves 116 are formed in the connecting layer 113, the connecting columns 115 are inserted into the grooves 116, rubber particles 117 are filled in the grooves 116, the rubber particles 117 are EPDM particles, and the connecting columns 115 can be quickly restored to positions after moving.

In this embodiment, the end of the connecting post 115 extending to the inside of the groove 116 is in a truncated cone shape, and the rubber particles 117 can be extruded through the inclined plane of the connecting post 115, so that the buffering stress of the surface layer 111 is increased, and the buffering effect of the sleeper 1 is improved.

It should be noted that, connection structure is including running through in the pre-buried sleeve 3 of sleeper 1, the top of pre-buried sleeve 3 extends to the outside of sleeper 1, the top fixed mounting of sleeper 1 has insulating buffer backing plate 4, it is corresponding with pre-buried sleeve 3 to run through on the insulating buffer backing plate 4, and fixed mounting has flat cushion 5 between insulating buffer backing plate 4 and the pre-buried sleeve 3, the top fixed mounting of insulating buffer backing plate 4 has iron backing plate 6, fixed mounting has heavy spring washer 7 between iron backing plate 6 and the insulating buffer backing plate 4 for iron backing plate 6 has good insulation and buffering connection effect for sleeper 1.

The top fixed mounting of iron backing plate 6 in this embodiment has rail lower bolster 12, rail 2 butt in rail lower bolster 12, runs through on the iron backing plate 6 and installs threaded connection in embedded casing 3's anchor bolt 9, and fixed mounting has the flat washer 10 of butt in iron backing plate 6 on the anchor bolt 9, and fixed mounting has joint post 8 on the iron backing plate 6, and joint post 8 is used for carrying out the location to rail lower bolster 12.

In this embodiment, fixed mounting has insulating piece 11 on the iron backing plate 6, and insulating piece 11 butt is in rail 2 for accomplish the insulation to rail 2, the cover is equipped with bullet strip 13 between rail 2 and the anchor bolt 9, can realize fastening rail 2 through bullet strip 13.

The working principle of the embodiment is as follows:

when the steel rail 2 conducts acting force to the sleeper 1, the surface layer 111 on the sleeper 1 is stressed and conducted at first, so that the surface layer 111 drives the connecting column 115 to move towards the inside of the groove 116, the connecting column 115 at the moment extrudes the rubber particles 117 filled in the groove 116, the surface layer 111 extrudes the cushion layer 114, thereby finishing buffering and absorbing impact force, and then the surface layer 111 is restored under the resetting acting force of the rubber particles 117 in the sleeper 1, and meanwhile, when the steel rail 2 is stressed, the steel rail 2 can conduct acting force through the iron cushion plate 6 and the insulating buffer cushion plate 4 which are directly connected, so that the good buffering effect of the steel rail 2 is ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Railway sleeper of multilayer structure, including sleeper (1) and rail (2), its characterized in that: be provided with connection structure on sleeper (1), sleeper (1) include bottom (112), the inside fixed mounting of bottom (112) has tie-layer (113), the top fixed mounting of tie-layer (113) has bed course (114), the top fixed mounting of bed course (114) has surface course (111), surface course (111) swing joint in bottom (112), the bottom fixed mounting of surface course (111) has spliced pole (115), offered recess (116) that are a plurality of on tie-layer (113), spliced pole (115) in recess (116), the inside packing of recess (116) has rubber granule (117).

2. The railway sleeper of a multilayer structure according to claim 1, wherein: one end of the connecting column (115) extending to the inside of the groove (116) is in a truncated cone shape.

3. The railway sleeper of a multilayer structure according to claim 1, wherein: the connecting structure comprises an embedded sleeve (3) penetrating through a sleeper (1), the top end of the embedded sleeve (3) extends to the outside of the sleeper (1), an insulating buffer base plate (4) is fixedly arranged at the top of the sleeper (1), a through hole is penetrated through the insulating buffer base plate (4), the through hole corresponds to the embedded sleeve (3), a flat cushion block (5) is fixedly arranged between the insulating buffer base plate (4) and the embedded sleeve (3), an iron base plate (6) is fixedly arranged at the top of the insulating buffer base plate (4), and a heavy spring washer (7) is fixedly arranged between the iron base plate (6) and the insulating buffer base plate (4).

4. A railway sleeper of a multilayer structure according to claim 3, wherein: the top fixed mounting of iron backing plate (6) have under rail backing plate (12), rail (2) butt in under rail backing plate (12), run through on iron backing plate (6) install threaded connection in anchor bolt (9) of pre-buried sleeve (3), fixed mounting on anchor bolt (9) butt in plain washer (10) of iron backing plate (6), fixed mounting has joint post (8) on iron backing plate (6).

5. A railway sleeper of a multilayer structure according to claim 3, wherein: an insulating block (11) is fixedly installed on the iron base plate (6), and the insulating block (11) is abutted to the steel rail (2).

6. The railway sleeper of a multilayer structure according to claim 4, wherein: elastic strips (13) are sleeved between the steel rails (2) and the anchor bolts (9).