CN206941311U - Assembled position limiting structure for non-fragment orbit and the non-fragment orbit with the structure - Google Patents
Assembled position limiting structure for non-fragment orbit and the non-fragment orbit with the structure Download PDFInfo
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- CN206941311U CN206941311U CN201720829484.XU CN201720829484U CN206941311U CN 206941311 U CN206941311 U CN 206941311U CN 201720829484 U CN201720829484 U CN 201720829484U CN 206941311 U CN206941311 U CN 206941311U
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- spacing
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- limiting structure
- position limiting
- fragment orbit
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Abstract
The utility model discloses a kind of assembled position limiting structure for non-fragment orbit, including：Spacing body, its opposite end surface are wherein provided with groove on end face；First spacing hole, one end for the nested spacing body；Second spacing hole, the other end for spacing body are inserted；And limiting tooth, it is used for when spacing body one end is inserted that limiting tooth can be with matching grooves, bolt hole is offered on the limiting tooth, and it can be penetrated when spacing body inserts the second spacing hole with the through hole on spacing body, spacing body is fixed on base so as to which bolt may pass through to be attached after through hole, and realized by spacing body and matching for the first spacing hole to the spacing of track plates.The invention also discloses the non-fragment orbit with above-mentioned position limiting structure.The utility model is improved by the structure of optimization, it is possible to achieve to the dismountable spacing of track plates, not only spacing stress deformation meets to require, and is repaired quite convenient for the dismounting of subsequent rail plate.
Description
Technical field
The utility model belongs to non-fragment orbit technical field, and in particular to a kind of spacing knot of assembled for non-fragment orbit
Structure and the non-fragment orbit with the position limiting structure.
Background technology
Non-fragment orbit refers to using the ballast bed track knot of the mass-type foundations such as concrete, asphalt substitution shot
Structure.Non-fragment orbit avoids railway ballast splashing compared with Ballast track, and ride comfort is good, and stability is good, service life length, durability
Good, maintenance work is few, is employed more and more.
Plate-type ballastless track construction relates generally to track plates, asphalt mortar, bituminous mortar or self-compacting concrete filling layer, base or branch
Hold the structures such as layer, its center base or supporting course use concrete structure, the asphalt mortar, bituminous mortar being layed on base or supporting course or from
Air-free concrete filling bed is the structure sheaf of ballastless track structure adjustment and supporting power transmission.At present, China's plate-type ballastless track type
Formula mainly has the plate-types of CRTS I, the plate-types of CRTS II and the plate-type non-fragment orbits of CRTS III.The plate-type non-fragment orbits of CRTS I are
Cell board, it is not vertical between plate and plate to connect, horizontal block is not set, is laid on the cast-in-place reinforced concrete footing with convex block machine
On, it is spacing by convex block machine.The company of indulging between the plate-type fragment-free track slabs of CRTS II and plate, spiral is pricked by longitudinal direction essence and opened
Zip part forms vertical link structure, provided with horizontal block.The plate-type non-fragment orbit self-compacting concrete filling layers of CRTS III and base
Between using square boss (or groove) to be separately positioned on to the limit methods of self-compacting concrete layer both sides.Such as patent document
A kind of Prefabricated slab type ballastless track structure disclosed in CN105200868A, which discloses a kind of position limiting structure, its middle orbit
Plate is middle transmission frame form (through hole), setting positive stop lug boss corresponding with through hole among precast track plate on base,
It is single or multiple to positive stop lug boss, for spacing to track plates progress on horizontal and vertical.
The dismantled and assembled property of the limit method of above-mentioned plate-type ballastless track pattern is poor, once hurt disease occurs for track plates,
Maintenance is inconvenient；In addition, above-mentioned position limiting structure is in stress and deformation requirements, there is also deficiency.It is therefore desirable to design one
Kind assembled non-fragment orbit position limiting structure, to solve the position limiting structure of current plate-type ballastless track existing dimension spacing to track plates
The problem of shield maintenance is inconvenient, while improve the stress deformation requirement of current position limiting structure.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of dress for non-fragment orbit
With formula position limiting structure, it is improved by the structure of optimization, groove is set on track plates side and base, and assemble dismantled and assembled
Limited block, so as to realize to the dismountable spacing of track plates, not only spacing stress deformation meets to require, and very
It is easy to the dismounting of subsequent rail plate to repair.
To achieve the above object, according to one side of the present utility model, there is provided a kind of assembled for non-fragment orbit
Position limiting structure, it is arranged between track plates and its base spacing to be carried out to both, it is characterised in that the position limiting structure includes：
Spacing body, it is provided with the through hole of insertion opposite end surface, and wherein one end of the spacing body opposite end surface
The groove of certain depth is provided with face；
The first spacing hole being arranged on track plates, it is matched with the spacing body appearance profile, for nested institute
State one end of spacing body；
The second spacing hole being opened on base, its appearance profile matches with the spacing body profiles, for described
The other end of spacing body is inserted；And
Limiting tooth, it is opened in the second spacing hole bottom, its with the matching grooves on the spacing body end face with
The limiting tooth can offer bolt on the limiting tooth with the matching grooves when being inserted for described spacing body one end
Hole, and can be penetrated when the spacing body inserts second spacing hole with the through hole on the spacing body, so as to bolt
It may pass through to insert the bolt hole after above-mentioned through hole and be attached and spacing body be removably mounted at the base to realize
On, and realized by spacing body with matching for the first spacing hole to the spacing of track plates.
As further improvement of the utility model, the spacing body can be cylinder, cuboid, long round body or ellipse
Body structure.
As further improvement of the utility model, the first spacing hole on the track plates is opened in two steel of track plates
On rail outboard side edge, and it is located at track plates connection end end, i.e., it is formed as 1/4 hole matched with spacing body profiles, two rails
The first spacing hole capable assembling of its corresponding end forms half pore structure with spacing body peripheral outline when guidance tape docks, with
It can be kept to the spacing of two track plates after spacing body is inserted.
As further improvement of the utility model, first spacing hole on each end of track plates to be connected
Quantity is two.
As further improvement of the utility model, the limiting tooth is bar blocks, and its protrusion is arranged on the second spacing hole
Bottom hole.
As further improvement of the utility model, the number of bolt hole opened up on the limiting tooth is with penetrating spacing body
The number of openings of opposite end surface is consistent.
As further improvement of the utility model, service sleeve is provided with the bolt hole that is opened up on the limiting tooth.
As further improvement of the utility model, the spacing body is precast concrete block or bloom.
According to other side of the present utility model, there is provided a kind of assembled non-fragment orbit with above-mentioned position limiting structure.
In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following
Beneficial effect：
(1) in position limiting structure of the present utility model, by the way that the bolt connection of spacing body and base, formation is removable
Spacing connection, so as to facilitate the dismounting of position limiting structure to realize dismountable maintenance or the replacing processing to track plates；
(2) position limiting structure of the present utility model uses opens up the outer of its hole wall profile and spacing body construction on track plates
The spacing pore structure that shape profile matches, spacing body nesting is fitted into, and spacing body is fixed on base, so as to
So that the horizontal and vertical displacement of track plates obtains reliable and stable control；
(3) position limiting structure of the present utility model can be realized to the dismountable spacing of track plates, not only spacing stress change
Shape meets to require, and is repaired quite convenient for the dismounting of subsequent rail plate.
Brief description of the drawings
Fig. 1 is the part-structure decomposing schematic representation of the position limiting structure of the utility model embodiment；
Fig. 2 is the structural representation of the first spacing hole of the position limiting structure of the utility model embodiment；
Fig. 3 is the three dimensional structure diagram of the second spacing hole of the position limiting structure of the utility model embodiment；
Fig. 4 is the schematic diagram in assembling application of the position limiting structure of the utility model embodiment in non-fragment orbit.
In all of the figs, same reference represents identical technical characteristic, is specially：The spacing bodies of 10-, 11-
Through hole, 12- limited impressions, the spacing holes of 20- first, the spacing holes of 30- second, 31- limiting tooths, 32- bolts hole, 33- service sleeves.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As long as in addition, technical characteristic involved in each embodiment of the utility model disclosed below each other it
Between do not form conflict can be mutually combined.
Fig. 1 is the part-structure decomposing schematic representation of the position limiting structure of the utility model embodiment；Fig. 2 is the utility model reality
Apply the structural representation of the first spacing hole of the position limiting structure of example；Fig. 3 is the second of the position limiting structure of the utility model embodiment
The three dimensional structure diagram of spacing hole；Fig. 4 is assembling application of the position limiting structure of the utility model embodiment in non-fragment orbit
In decomposing schematic representation.
As shown in figure 1, the dismountable position limiting structure for assembled non-fragment orbit of the utility model one embodiment,
Its assembling is arranged between track plates and its base, spacing to be carried out to both, i.e., is installed after track slab precision adjustment prefabricated spacing
Structure, it is inserted among track plates and base, so as to limit track plates base laterally and/or longitudinally on displacement.
Specifically, as Figure 1-4, the position limiting structure includes spacing body 10, the first spacing hole 20, the second spacing hole 30
And limiting tooth 31.As shown in figure 1, the spacing shape of body 10 can be cylinder, cuboid, long round body or ellipsoidal configuration,
Namely it is integrally in having a certain thickness string configuration, its cross section can for rectangle, Long Circle, ellipse or its
He arbitrarily can conveniently process or the structural feature of assembling.Spacing body 10 can be made up of precast concrete or the metal such as steel
Material is made.
As shown in figure 1, the through hole that insertion opposite end surface is provided with spacing body 10 (is spacing body 10 as shown in Figure 1
Upper and lower end face), communicated through for fastening bolt 40, in addition, the wherein end face of the opposite end surface of spacing body 10
On be provided with the groove (being opened up positioned at the spacing lower surface of body 10 in such as Fig. 1) of certain depth.
As shown in Fig. 2 the first spacing hole 20 is the hole matched with the spacing outline of body 10, for the nested peace of spacing body
Dress is wherein so that both, which match, combines so as to limit the movement of track plates.
It is opened in the end end face to be connected of track plates to first spacing hole 20, and is located at the side on the outside of two rails.Such as Fig. 2
Shown, the first spacing hole 20 is 1/4 hole matched with a part for spacing body profiles, i.e. its section is whole circumferential profile
1/4, two spacing holes can form half pore structure when splicing.Specifically, the cross section of the first spacing hole 20 is incomplete portion
Point shape, preferably whole complete cross section shape 1/4, two such symmetrical capable assemblings of spacing hole into 1/2 hole, and two this
The symmetrical capable assembling in 1/2 hole of sample is into complete cross-section hole.Specific cross sectional shape for example can be circular 1/4, it is rectangular 1/4,
1/4 structure of 1/4 or half elliptic of Long Circle, in this way in the track plates end part aligning of two splicings, end both sides are each
Self-corresponding first spacing hole 20 can form half bore section with split, i.e. Formation cross-section is the pore structure of 1/2 complete cross-section, two
Above-mentioned 1/2 pore structure may make up whole complete bore.
Certainly, the first spacing hole 10 can also be other sizes specification in this programme, such as its profile can entirely be limited
The 1/3 of position body profiles, 2/3 etc., or other can make it that spacing body 10 is fitted into and spacing dimensional structure.Each
The quantity of the first spacing hole 20 on end face can be one or more, and preferably two, its limit effect is optimal, certainly tool
Body quantity can select to determine according to engineering requirements.
As shown in Fig. 2 the first spacing hole 20 is preferably provided at the longitudinal terminal surface position of cell board, i.e., close to longitudinal terminal surface
Opened up on side, such as residing for end face on side plate its profile be whole complete bore profile 1/4 hole, so with another cell board
The hole of its end face same location can combine to form 1/2 profiled orifice during connection, naturally it is also possible to which the hole profile opened up in end face is
Other sizes, it forms greater or lesser overall size when two cell boards splice, but regardless of overall size size, it must
It must guarantee that there is position-limiting action to spacing body, more preferably periphery at least part profile with spacing body 10 is to match
's.
In the embodiment, the cell board for being spliced to form track is combined by multiple prefabricated basic plate connections, such as one
In two basic plates being connected with each other in embodiment, one of end face is provided with protuberance, and another end face is provided with depressed part,
Two parts form joggle when splicing.It is highly preferred that protuberance and depressed part can also be set to be higher than in the apparent height of both ends of the surface
Basic plate surface height, and the further transition between the protuberance and depressed part surface or the surface and basic plate surface
Part sets perforate, and it penetrates the longitudinal terminal surface of protuberance and depressed part, preferably bolt hole, and then can be by bolt by two
Basic plate is connected, and because the perforate on its surface is highly higher than basic plate surface, is also not in ponding or dirt, more
It is easy to follow-up dismounting, maintenance etc..Each basic plate is connected to form cell board through the above way, and the cell board end is set again
Above-mentioned spacing pore structure is put, be i.e. only needs to start corresponding first spacing hole respectively in its opposing end surface between two cell boards
20 (such as each end face opens up two), the second spacing hole 30 (such as two of respective numbers is set on the base of correspondence position
It is individual), you can with the convenient splicing for realizing track and it can be ensured horizontal and vertical reliable and stable spacing.
In another embodiment, the first spacing hole 20 can also be complete with the complete matching of spacing body profiles
Hole, and its section is complete cylinder, cuboid, long round body or ellipsoidal configuration etc., or other with outside spacing body 10
The shape of outline.First spacing hole 20 is opened between the two rails of track plates, and its quantity can be one or two
More than, particular number can select to determine according to engineering requirements.
As shown in figure 3, the second spacing hole 30 is opened in the base for supporting rail guidance tape, its appearance profile with spacing
The outline of body 10, the other end for spacing body 10 are inserted.Specifically, spacing body 10 is also that section is long
Square, Long Circle or ellipse, or other shapes for being matched with the spacing outline of body 10, it preferably has a depthkeeping
Degree, its depth determine according to the thickness and track plates and base thickness of spacing body.
The bottom of second spacing hole 30 is provided with limiting tooth 31, itself and the matching grooves on the spacing end face of body 10, for
When spacing one end of body 10 is inserted, the limiting tooth 31 can be with the matching grooves.Bolt hole 32 is offered on limiting tooth 31, and
Matched with the through hole on spacing body 10, can be with the through hole on spacing body 10 when spacing body 10 inserts the second spacing hole 30
Insertion, passes through and is attached for bolt 40, i.e., bolt 40 may pass through insertion bolt hole 32 after above-mentioned through hole be attached with
Spacing body 10 is fixed on the base.It can be dismounted in this programme, during bolt connection, will be spacing so as to realize
Body 10 is removably mounted on base, and convenient maintenance is changed.
Spacing one end of body 10 is inserted in the second spacing hole 30, the bottom of the spacing hole 30 of groove 12 and second on its end face
The limiting tooth 31 of upper setting matches clamping, is fixedly connected using bolt 40, and the reliable fixation to spacing body 10 can be achieved.Limit
The other end of position body 10 is arranged in the first spacing hole 20 on track plates, can so pass through spacing body 10 and first
The matching of spacing hole 20 realized to the spacing of track plates, includes horizontal spacing or longitudinal spacing, or laterally and
It is spacing while longitudinal.
In a preferred embodiment, can in the through hole of spacing body 10 service sleeve 11, facilitate the peace of bolt 40
Load connects.Preferably, can also service sleeve 33 in the bolt hole 32 in the second spacing hole 30 on base.
When carrying out spacing operation using this position limiting structure, prefabricated limited block is installed after track slab precision adjustment, limited block can position
In plate end or plate；Limited block is fastened using the embedded sleeve barrel in bolt and base.Such as track plates damage, it is necessary to when changing,
Anchor bolt is backed out, pulls down limited block.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (9)
1. a kind of assembled position limiting structure for non-fragment orbit, it is arranged between track plates and its base to limit both
Position, it is characterised in that the position limiting structure includes：
Spacing body, it is provided with the through hole of insertion opposite end surface, and wherein on end face of the spacing body opposite end surface
It is provided with the groove of certain depth；
The first spacing hole being arranged on track plates, it is matched with the spacing body appearance profile, for the nested limit
One end of position body；
The second spacing hole being opened on base, its appearance profile matches with the spacing body profiles, for described spacing
The other end of body is inserted；And
Limiting tooth, it is opened in the second spacing hole bottom, its with the matching grooves on the spacing body end face for
The limiting tooth can offer bolt hole on the limiting tooth with the matching grooves when described spacing body one end is inserted,
And can be penetrated when the spacing body inserts second spacing hole with the through hole on the spacing body, so as to which bolt can be worn
Cross after above-mentioned through hole to insert the bolt hole and be attached and spacing body is removably mounted on the base with realizing, and
Realized by spacing body with matching for the first spacing hole to the spacing of track plates.
2. the assembled position limiting structure according to claim 1 for non-fragment orbit, wherein, the spacing body can be circle
Cylinder, cuboid, long round body or ellipsoidal configuration.
3. the assembled position limiting structure according to claim 1 for non-fragment orbit, wherein, first on the track plates
Spacing hole is opened on the two rails outboard side edge of track plates, and is located at track plates connection end end, i.e., its be formed as with it is spacing
1/4 hole of body profiles matching, the first spacing hole capable assembling of its corresponding end is formed and spacing body when two track plates dock
Half pore structure of circumferential profile matching, can be kept to the spacing of two track plates after spacing body is inserted.
4. the assembled position limiting structure according to claim 3 for non-fragment orbit, wherein, track plates to be connected are each
The quantity of first spacing hole on end is two.
5. the assembled position limiting structure according to any one of claim 1 to 4 for non-fragment orbit, wherein, the limit
Position tooth is bar blocks, and its protrusion is arranged on the second spacing hole bottom hole.
6. the assembled position limiting structure according to any one of claim 1 to 4 for non-fragment orbit, wherein, the limit
The number of bolt hole opened up on the tooth of position is consistent with the number of openings for penetrating spacing body opposite end surface.
7. the assembled position limiting structure according to any one of claim 1 to 4 for non-fragment orbit, wherein, the limit
Service sleeve is provided with the bolt hole opened up on the tooth of position.
8. the assembled position limiting structure according to any one of claim 1 to 4 for non-fragment orbit, wherein, the limit
Position body is precast concrete block or bloom.
A kind of 9. non-fragment orbit of the assembled position limiting structure with any one of Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829484.XU CN206941311U (en) | 2017-07-10 | 2017-07-10 | Assembled position limiting structure for non-fragment orbit and the non-fragment orbit with the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829484.XU CN206941311U (en) | 2017-07-10 | 2017-07-10 | Assembled position limiting structure for non-fragment orbit and the non-fragment orbit with the structure |
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| Publication Number | Publication Date |
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| CN206941311U true CN206941311U (en) | 2018-01-30 |
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| CN201720829484.XU Active CN206941311U (en) | 2017-07-10 | 2017-07-10 | Assembled position limiting structure for non-fragment orbit and the non-fragment orbit with the structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190584A (en) * | 2017-07-10 | 2017-09-22 | 中铁第四勘察设计院集团有限公司 | For the assembled position limiting structure of non-fragment orbit and the non-fragment orbit with the structure |
| WO2019011101A1 (en) * | 2017-07-10 | 2019-01-17 | 中铁第四勘察设计院集团有限公司 | Ballastless track base plate connecting structure and ballastless track having same |
| CN111074696A (en) * | 2020-01-03 | 2020-04-28 | 西南交通大学 | Assembly type tunnel track unit, assembly type tunnel track and deformation maintenance method thereof |
| CN114016334A (en) * | 2021-09-01 | 2022-02-08 | 四川迈铁龙科技有限公司 | Can reserve damping and height-adjustable's assembled railway roadbed structure |
-
2017
- 2017-07-10 CN CN201720829484.XU patent/CN206941311U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190584A (en) * | 2017-07-10 | 2017-09-22 | 中铁第四勘察设计院集团有限公司 | For the assembled position limiting structure of non-fragment orbit and the non-fragment orbit with the structure |
| WO2019011101A1 (en) * | 2017-07-10 | 2019-01-17 | 中铁第四勘察设计院集团有限公司 | Ballastless track base plate connecting structure and ballastless track having same |
| CN107190584B (en) * | 2017-07-10 | 2023-03-10 | 中铁第四勘察设计院集团有限公司 | Assembled limiting structure for ballastless track and ballastless track with same |
| CN111074696A (en) * | 2020-01-03 | 2020-04-28 | 西南交通大学 | Assembly type tunnel track unit, assembly type tunnel track and deformation maintenance method thereof |
| CN114016334A (en) * | 2021-09-01 | 2022-02-08 | 四川迈铁龙科技有限公司 | Can reserve damping and height-adjustable's assembled railway roadbed structure |
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