CN206109884U - Track iron tie plate structure among rail transit project - Google Patents

Abstract

The utility model provides a track iron tie plate structure among rail transit project, the iron tie plate of this structure is fixed in below the rail above the sleeper through screw spike, and this iron tie plate's structure includes that spike fixing district I, supporting rail district II, bullet strip fixed area III, spike fixing distinguishs I two diagonal line departments that are located the iron tie plate face, and the shape is square, and spike fixing distinguishes I iron tie plate thickness and is 20mm, is the thickness in supporting rail district II 20 75mm, the thickness of bullet strip fixed area III and the thickness in supporting rail district II keep the unanimity. The beneficial effects are that this structure makes the thickness in supporting rail district II adjustable to compensate and adjust and sink the sleeper height error problem that arouses because of the railway roadbed is grand because of construction error or later stage. While is unchangeable because of spike fixing distinguishes I thickness to the firmness of bolt can not weaken because of the iron tie plate thickening. Avoid the whole thickening because of iron tie plate, caused bolt railway spike extension, resulted in the problem that iron tie plate is infirm.

Description

Track iron chair structure in railway traffic engineering

Technical field

This utility model is related to the track iron chair structure in a kind of railway traffic engineering.

Background technology

Railway traffic engineering has been widely used in the fields such as state-owned railroads passenger and freight transportation, city passenger's transportation, closely It is rapidly developed over year, especially city track traffic engineering undergoes an unusual development rapidly, including subway, light rail, tramcar etc., It is the effective means for improving Urban Traffic Jam Based.

During the construction and operation of railway traffic engineering, because of the complexity of integrated condition, there are some errors in track It is unavoidable, if error exceeds limit value, it will operation is impacted.Need to track and structure periodic detection, send out Now beyond the error for limiting, elimination error of adopting an effective measure in time is needed, it is ensured that operation security, wherein by adjusting iron chair Thickness come to eliminate or make up the grand heavy error for causing of sleeper be simple and easy to do, cost-effective measure, be widely used.But It is that when error is larger, the thickness of iron chair needs to increase more, using common iron chair in the past, needs to add screw spike Length thickens corresponding numerical value with iron chair, to ensure to match, with the lengthening of screw spike, the stability meeting of fixed iron chair Decrease, it is unfavorable to rail stability, it is so limited, the thickness value added of iron chair is limited.Ran into such case in the past, one As thicken backing plate using common, but be at most only capable of solving the error problem of 20mm, needs lengthen screw spike, to meet thickening The needs of backing plate, after screw spike is lengthened, are exposed at the part outside sleeper and increase, can cause the stability drop of iron chair and sleeper It is low, cause the abrasion of sleeper and car wheel-set to increase, increase maintenance and maintenance cost.It is for the error more than 20mm, common to add Hassock plate cannot be solved, and need to remove railway roadbed and lay again, and its drawback is long in time limit, affects big, invests expensive, and removes When be easily destroyed agent structure, cause secondary bigger impact, for the project runed, need temporarily to stop transport, to social shadow Sound has serious consequences.

The content of the invention

For problem present in above-mentioned technology, the purpose of this utility model is to provide the rail in a kind of railway traffic engineering Road iron chair structure, to solve the grand heavy railway roadbed sleeper error problem for causing of structure during eliminating because of construction error or operation. If necessary, also further can thicken.Can be used to solve because construction error transfinites or because structure is sunk, causes sleeper top surface to be less than The problem of design load.

For achieving the above object, the technical solution adopted in the utility model is to provide the track in a kind of railway traffic engineering Iron chair structure, the iron chair of the structure are fixed on below rail above sleeper by screw spike, the structure bag of the iron chair Railway spike fixed area I, supporting rail area II, spring fixed area III are included, railway spike fixed area I is located at two diagonally opposing corners of iron chair plate face Place, be shaped as it is square, wherein：I iron chair thickness of the railway spike fixed area is 20mm；The thickness in the supporting rail area II is 20-75mm；The thickness of the spring fixed area III is consistent with the thickness in supporting rail area II.

Effect of the present utility model is that this utility model iron chair structure adjustable extent is big, and maximum adjusted value reaches 55mm, should With convenient, flexible, thickness specification on demand, producer can produce corresponding mould, carry out the Foundry Production of iron chair, no There is technical barrier, the cost of investment of increase is limited, it is possible to resolve a most sleeper irregularity difficult problem.If without this structural iron Backing plate, takes dismounting railway roadbed, lays again, needs to increase at least six times of investment, will also affect operation in addition, cause bad society Can affect.Using this structure iron chair, it is to avoid because backing plate thickeies the problem for causing the rail unstable, make to thicken amplitude increasing, So that the scope for solving error is effectively increased, maximum can eliminate the error of nearly 55mm, and special circumstances can also even be increased, most Limits avoid railway roadbed from removing reconstruction.Sleeper error problem is processed using the iron chair affects little, easy to implement, cost to project Low, short time limit, highly versatile can not affect normal operation in stoppage in transit night, construction period.

Description of the drawings

Fig. 1 is iron chair planar structure schematic diagram of the present utility model；

Fig. 2 is iron chair A-A cross-sectional views of the present utility model；

Fig. 3 is iron chair A-A section partial enlarged drawings of the present utility model；

Fig. 4 is iron chair planar structure schematic diagram of the present utility model；

Fig. 5 is iron chair B-B cross-sectional views of the present utility model；

Fig. 6 is that track of the present utility model combines relation schematic diagram；

Fig. 7 is screw spike schematic diagram of the present utility model.

In figure：

1st, spring 2, iron chair 3, screw spike 4, track gauge block 5, spring washer

6th, rubber mat plate 8, nylon sleeve 9, sleeper under rubber tie plate under rail 7, iron chair

10th, rail 11, nut I, railway spike fixed area II, supporting rail area

IIIth, spring fixed area

Specific embodiment

Railway traffic engineering track Novel iron backing structure of the present utility model is illustrated with reference to accompanying drawing.

Railway traffic engineering track Novel iron backing structure design philosophy of the present utility model is to be based on：Original iron chair Fen Sange areas：Railway spike fixed area I, supporting rail area II, spring fixed area III, the thickness in its three areas is identical, generally 20mm, if necessary can be suitably thinning.The iron chair structure is distinguished with original iron chair maximum：I thickness of railway spike fixed area is constant, Through finite element analysis computation and actual items application verification, most rational 20mm is adopted, if necessary can be suitably thinning, such as Fig. 2 It is shown, and supporting rail area II, the thickness value of spring fixed area III are variable, it is with the difference of iron pad mould model, thick Degree can be thickeied to 75mm from 20mm as needed, and special circumstances can continue to thicken, as shown in figure 3, can meet to iron chair not The requirement of stack pile value, the iron chair sharpest edges of the application are, after II, III area thickeies, not affect the stability of track.

The utility model has the advantages that can be according to the adjustment of different sleepers height, when iron chair producer manufactures, supporting rail Area II presses different-thickness model and makes mould, as needed selecting the mould of correspondence model pouring into a mould, the maker of iron chair Family has No. 20, No. 21, No. 22 ... the moulds to No. 75 various models, and the mould model represents supporting rail area II Thickness value, the thickness value in the such as No. 20 supporting rail areas II for representing die casting iron chair out are 20mm, No. 21 generations The thickness value in the supporting rail area II of table die casting iron chair out is 21mm......, and the rest may be inferred.Also can be existing When field is installed, field polish is carried out to required thickness value to iron chair supporting rail area II, easy to operate, adjustment is flexible, The grand heavy thorny problem of railway roadbed to occurring during processing the error that causes of site operation or operation become it is extremely easy, practical and Effectively.Spring fixed area III is consistent with II thickness of supporting rail area, when supporting rail area II thickeies, spring fixed area III Thicken therewith.

Rubber mat plate 7 under iron chair 2, iron chair and sleeper 9 are connected and fixed by screw spike 3, by bullet Bar 1 is fixed on rail on iron chair 2, so, and rail 10, iron chair 2 and sleeper 9 just closely link together, and constitutes rail Road, the operation of vehicle safety and steady in orbit, as shown in Figure 6.Wherein when with concrete prefabricated sleeper, nylon jacket Pipe 8 is pre-buried as in sleeper, and screw spike 3 is screwed in the nylon sleeve 8 in sleeper.

Railway traffic engineering track Novel iron backing structure of the present utility model is：The railway spike fixed area I of the iron chair sets Meter thickness value is 20mm, as shown in figure 1, the principle that its thickness value is adopted is on the premise of proof strength meets requirement, to the greatest extent may be used Can be thin, it is beneficial to the length for shortening screw spike 3, increases the steadiness of iron chair, by finite element analyses and theoretical strength meter Calculate, and combine the inspection of actual items operation for many years, 20mm is most rational thickness value.Iron chair structure of the present utility model Railway spike fixed area I thickness it is basically identical with former common iron chair, design load is 20mm.The supporting rail of the iron chair structure II thickness of area determines that can be produced as the different-thickness value of 20～75mm scopes, adjustment height is by iron chair as needed Supporting rail area II, spring fixed area III thicken, realize the effect raised, as shown in Figure 2.Its advantage is by iron chair The purpose for raising sleeper is realized, and if Fig. 7 screw spikes 3 are without lengthening, keeps the stability of track.What the iron chair thickeied Scope is 20～75mm.Practicality of the present utility model is more extensive, facilitates easy-to-use, economic and reliable.

Function of the present utility model is achieved in that the structure includes railway spike fixed area I, supporting rail area II, wherein , using fixed value, generally 20mm if necessary can be suitably thinning for I thickness of railway spike fixed area.The thickness value in supporting rail area II The error amount that can be adjusted as needed setting, generally 20～75mm, the base thickness of spring fixed area III is with supporting steel The thickness value in rail area II thickeies and changes, and both are consistent thickness, to guarantee that spring model and buckle press stablize constant.Specifically The process of realization is：First engineering site is measured, according to the sleeper elevation of top surface of actual measurement, it is determined that the iron chair thickness for needing and ferrum The model of backing plate, selects the iron pad mould of correspondence model to cast out iron chair, and the mould of iron chair can use UG or PRO/E softwares Easily rapidly design, iron pad mould has Multiple Type, and it is different thick that different model can produce supporting rail area II The iron chair of angle value, the material of iron chair typically adopt QT450-10 spheroidal graphite cast-iron, it is also possible to which other specification performances are similar Cast.Its accurate thickness can be also polished at the construction field (site) according to specific needs, the thickness value required for being machined to.

This utility model achievement practical application in urban rail traffic project, good result, its advantage are filled Distribution is waved and is verified.At present on the occasion of the construction peak period of domestic city railway traffic engineering, can be in each big and medium-sized cities urban rail project Popularization and application in construction.

Claims (1)

1. the track iron chair structure in a kind of railway traffic engineering, the iron chair of the structure are fixed on rail by screw spike Below above sleeper, the structure of the iron chair includes railway spike fixed area I, supporting rail area II, spring fixed area III, and railway spike is fixed Area I is located at two diagonally opposing corners of iron chair plate face, is shaped as square, be it is characterized in that：I iron chair thickness of the railway spike fixed area For 20mm；The thickness in the supporting rail area II is 20-75mm；The thickness of the spring fixed area III and supporting rail area II Thickness is consistent.