CN102101317B - Model of ladder-shaped sleeper - Google Patents

Model of ladder-shaped sleeper Download PDF

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Publication number
CN102101317B
CN102101317B CN200910242870A CN200910242870A CN102101317B CN 102101317 B CN102101317 B CN 102101317B CN 200910242870 A CN200910242870 A CN 200910242870A CN 200910242870 A CN200910242870 A CN 200910242870A CN 102101317 B CN102101317 B CN 102101317B
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ladder
side form
type sleepers
length
end parts
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CN102101317A (en
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姜忠仁
陈浩
王波
曹凤洁
孟国珍
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Beijing China Railway Fangshan Bridge Co Ltd
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Beijing China Railway Fangshan Bridge Co Ltd
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Abstract

The invention provides a model which can be used for molding at least two ladder-shaped sleepers provided with connecting pieces and bumps. The model is provided with a bottom mould, wherein the bottom mould is provided with a central axis which is aligned with a transverse central line equally dividing the length of the ladder-shaped sleeper during molding of the ladder-shaped sleeper, two outer side moulds connected with the bottom mould, two inner side modules and an end mould; each inner side module is provided with at least one basic component, at least two pairs of end components and a plurality of support components for supporting the connecting pieces of the ladder-shaped sleepers; and the basic component, any pair of end components and the support components are spliced into an inner side mould for molding the ladder-shaped sleepers.

Description

The model of ladder-type sleepers
Technical field
The present invention relates to the model of ladder-type sleepers.
Background technology
In order to obtain good environmental degree of comfort, existing subway (light rail) is the sleeper of abandoning tradition gradually, adopts ladder-type sleepers usually more and more.In Chinese invention patent 95104533.4, propose a kind of ladder-type sleepers, this patent is included in this paper as a reference by reference.This ladder-type sleepers and common transverse sleeper difference are that its length direction along ng a path extends.Ladder-type sleepers has along track bearing of trend supporting track and two longitudinal beams under two tracks respectively always, and longitudinal beam is concrete component normally.Be connected through connector (normally square steel) between these two longitudinal beams transverse to the track bearing of trend.This structure of ladder-type sleepers has greatly reduced the train load that the track between the common transverse sleeper affords and the track deformation that causes, and plays the effect of vibration and noise reducing.Owing to connect through connector between the longitudinal beam and the outside (being the outside of longitudinal beam) of ladder-type sleepers has and for example is used for the jut that is connected with the concrete component of this ladder-type sleepers of support; Therefore the structure that is used for connecting (connection) for the ladder-type sleepers of different model has nothing in common with each other; So conventional trapezoidal sleeper model just is exclusively used in the ladder-type sleepers of a certain model, the parts of the model of various different models can not be general.Produce simultaneously at needs under the situation of multiple ladder-type sleepers, this has increased production cost.And, change to the process of the ladder-type sleepers of producing another type from producing a type, need to remove earlier master mould, again new model is carried out assembly unit, expend the production time, lower efficiency.In addition, between each assembly of conventional trapezoidal sleeper for example bed die normally adopt hinged mode to be connected with side form, cause dismounting difficulty, may bring defective to product.
Summary of the invention
People hope to have a kind of model that is suitable at least two kinds of dissimilar ladder-type sleepers, thereby increase the versatility of the parts in the model.
Therefore, the present invention provides a kind of model that is used for molded at least two kinds of ladder-type sleepers, and this ladder-type sleepers has two longitudinal beams and at least two connectors that connect this longitudinal beam that have protuberance.
This model has: the cross central line that bed die, the central axis of this bed die are divided ladder-type sleepers length during with molded ladder-type sleepers equally overlaps; Two outer side forms that link to each other with this bed die, the part and the distance of this central axis that are used to be molded into the protuberance of this ladder-type sleepers in this outer side form equal the distance of protuberance and this cross central line of this ladder-type sleepers; Two inboard modules; Each inboard module has the support component that at least one basic element of character, at least two opposite end parts and a plurality of is used to support the connector of ladder-type sleepers; Wherein the length of this basic element of character equals the distance between adjacent two connectors; The length of two end parts in the pair of end parts is equal to each other; Being uneven in length of arbitrary opposite end parts in the length of other opposite end parts, this basic element of character, arbitrary opposite end parts and support component splicing are configured for the interior side form of molded ladder-type sleepers; Four end moulds that are positioned on this bed die and link to each other with the end part with corresponding outer side form respectively, two end parts and two end moulds of wherein being used for molded same longitudinal beam are about this central axis symmetric arrangement.
Thus; The present invention utilizes protuberance and connector dissimilar but that construct similar ladder-type sleepers to have identical relative position with its cross central line and provides according to model of the present invention; Thereby can use the ladder-type sleepers that comes molded at least two kinds of different size models according to the model of ladder-type sleepers of the present invention, improve the versatility of model.For example, select for use pair of end parts and other parts to be assembled into the model that assembles and be used for molded first kind of ladder-type sleepers; Be used for molded second kind of ladder-type sleepers and select for use another opposite end parts and miscellaneous part to be assembled into the model that assembles.
According to a further general feature of the present invention, said outside mould have with bed die on the outer side form alignment pin that is connected of locating hole, said in side mold have with bed die on the interior side form alignment pin that is connected of locating hole.This has overcome the dismounting difficult technologies problem of being brought of be connected through the hinge in the prior art bed die and side form.
According to a preferred embodiment of the present invention, said ladder-type sleepers has three connectors that are spaced along the longitudinal, and said connector is a symmetry about said cross central line.And each said inboard module has two basic elements of character.Further, said at least two opposite end parts comprise the first opposite end parts and the second opposite end parts.
The further preferred embodiment according to the present invention, said model are used to molded three kinds of ladder-type sleepers.First kind of ladder-type sleepers has 7400mm length, and the wherein said basic element of character has 2500mm length, and each in the said first opposite end parts all has 1400mm length and be used for and end mould connection structure connecting being provided with apart from 200mm place, its outer end.
Further, second kind of ladder-type sleepers has 6150mm length, and each in the said second opposite end parts all has 775mm length and be used for and end mould connection structure connecting being provided with apart from 200mm place, its outer end.Further, the third ladder-type sleepers has 6050mm length, and each in the said second opposite end parts is used for and end mould connection structure connecting being provided with apart from 250mm place, its outer end.
Further, said outer side form is made up of a plurality of parts, and the Mosaic face between each parts is configured to the complimentary surface that tilts with respect to said central axis, and this reduces even avoided the defective of the spillage that straight Mosaic face may bring when molded ladder-type sleepers.
According to a preferred embodiment, the height at said end mould aspect ratio adjacent inner side mould place at side form place outside adjacency is high, thereby the ladder-type sleepers that is molded into has better performance.
According to a preferred embodiment, the locating hole that is used on the bed die locate outer side form is about said central axis symmetry.The locating hole of side form is about said central axis symmetry in being used on the bed die locate.
Description of drawings
Below, specify embodiments of the invention in conjunction with accompanying drawing, wherein:
Fig. 1 shows the structure of the ladder-type sleepers of three kinds of different sizes;
Fig. 2 is according to the sketch map after the embodiment assembly unit of model of the present invention;
Fig. 3 A shows the embodiment according to the basic element of character of side form in of the present invention;
Fig. 3 B shows the embodiment of the end part of the interior side form that is used for molded 7400mm sleeper;
Fig. 3 C shows the embodiment of the end part of the interior side form that is used for molded 6150mm sleeper and 6050mm sleeper;
Fig. 3 D shows the support component that in molded ladder-type sleepers process, is placed on the interior side form below the connector;
Each parts of side form were in the splicing at connector place in Fig. 3 E showed;
Fig. 4 shows and is used for the embodiment that alignment pin is positioned at the layout of the locating hole on the bed die;
Fig. 5 A and 5B show an embodiment according to end mould of the present invention;
Fig. 6 A and 6B show the embodiment according to parts of outer side form of the present invention.
The specific embodiment
It will be appreciated by those skilled in the art that it is in order to illustrate according to the embodiment of the model that is used for molded ladder-type sleepers of the present invention and the sleeper that available this pattern die is made, not plan to limit the invention to embodiment shown in the drawings that accompanying drawing is provided.In addition, accompanying drawing needn't be drawn in strict accordance with ratio, size and corresponding relation.On the contrary, in order clearly to describe the utility model, part accompanying drawing or some characteristic is exaggerated, omission, transparence or dissect.
Fig. 1 shows the ladder-type sleepers of three kinds of different models (size).It will be apparent to one skilled in the art that ladder-type sleepers has the longitudinal beam and the connector that is connected two longitudinal beams that extends along orbital direction, connector is square steel normally.Therefore, when making ladder-type sleepers, need and be molded into concrete longitudinal beam the connector placed in position.Referring to shown in Figure 1, it will be appreciated by one of skill in the art that the model that is used for molded ladder-type sleepers comprises the bed die, two the outer side forms that are positioned at the outside that are positioned at the bottom, is positioned at two side forms and 4 end moulds that are used to limit the end of longitudinal beam on the orbital direction inboard and that passed by connector.Interior side form also is referred to as side form with outer side form.
Continuation is referring to Fig. 1, and ladder-type sleepers can have in orbital direction (longitudinally) usually to be gone up isolated a plurality of connectors 102 (202 or 302) and be positioned at the protuberance 104 (204 or 304) on the outside of ladder-type sleepers.Except the length and width size, the difference between the ladder-type sleepers of different model be present in usually these characteristic places or near.The inventor finds, in the ladder-type sleepers with the different model of similar structure (size), corresponding connector 102,202 is the same with respect to their cross central lines 150,250 separately with 350 relative position (distance) with 302, and is as shown in Figure 1.Likewise, the protuberance 104,204 of each ladder-type sleepers is the same with respect to cross central line 150,250 separately with 350 relative position (distance) with 304.Here said cross central line is the direction that is positioned at transverse to longitudinal beam, and divides the axis of the length of ladder-type sleepers equally.
Be more especially; As shown in Figure 1 (for example being used for No. four lines of Beijing Metro) three kinds of ladder-type sleepers; First ladder-type sleepers 100 has the length of 7400mm, and second ladder-type sleepers 200 has the length of 6150mm, and the 3rd ladder-type sleepers 300 has 6050 millimeters length.These three kinds of ladder-type sleepers 100,200 and 300 have three connectors and a protuberance separately respectively.Except that the mentioned relative position with respect to separately cross central line of preceding text is the same.Three connectors that they had are symmetrical about described cross central line, and promptly middle connector is about this cross central line symmetry, and the connector of both sides is mutually symmetrical about this cross central line.The 2500mm of being separated by between the adjacent connector.
Below describe a set of model that can be used for molded these three kinds of ladder-type sleepers in detail.Although describe the present invention in detail embodiment is shown preferably, it is understandable that, scope of the present invention and the spiritual detailed description that will be not limited to hereinafter, it is only limited the accompanying Claim book.
Fig. 2 shows according to the later sketch map of model 1 assembly unit of the present invention.As shown in the figure, model 1 has bearing 2, bed die 4 and outer side form 6 (hereinafter is with further describing).Especially, bearing 2 has transverse to the I-steel of longitudinal beam and thinks that supporting bed die 4 provides enough rigidity.Therefore the known multiple bearing that is used to support bed die 4 of those skilled in the art no longer is described in detail at this.As illustrated in fig. 1, bed die has the length of 7800mm.As shown in Figure 4, bed die has the central axis that when molded ladder-type sleepers, aligns with above-mentioned cross central line.In an illustrated embodiment, bed die is about this central axis symmetry.
Refer now to Fig. 3 A-3E, the interior side form 10 according to model of the present invention is described.With existing in side form be exclusively used in certain type different being of ladder-type sleepers; Be modular and comprise the basic element of character 12, two opposite end parts 14 according to side form 10 in of the present invention; 16,18 and 20 and a plurality of support component 22 that is used for when molded longitudinal beam (ladder-type sleepers) supporting connector (square steel).In an illustrated embodiment, an interior side form 10 has two basic elements of character 12.The shown basic element of character 12 has the length of 2500mm.The basic element of character 12 is placed on when molded between two adjacent connectors.End part 14 and 16 shown in Fig. 3 B is the ladder-type sleepers that are used for molded 7400mm. End part 14 and 16 has identical length, and for example 1400mm, and profile is symmetrical.End part 14 splices with the left end of the basic element of character 12, and end part 18 splices with the right-hand member of the basic element of character 12. End part 18 and 20 shown in Fig. 3 C is the ladder-type sleepers that are used for molded 6150mm and 6050mm. End part 18 and 20 has identical length, and for example 775mm, and profile is symmetrical.Shown in Fig. 3 D be when molded ladder-type sleepers, be positioned at below the connector according to support component 22 of the present invention.The number of support component equals the number of connector, has 3 support components 22 in an illustrated embodiment.Shown in Fig. 3 E be; For example be spliced into interior side form 10 in use according to two basic elements of character of the present invention and support component (or the basic element of character, end part and support component); Wherein their splicing also forms the space 28 around connector, to be used for passing of connector when the molded ladder-type sleepers.
When molded ladder-type sleepers, be that 7400mm's or 6150mm's (or 6050mm) select suitable end part for use according to the model of the ladder-type sleepers that will be molded.Two basic elements of character 12 are arranged to splice with support component 22 symmetrically about central axis 50, and two end parts splice with the corresponding basic element of character and support component respectively, thereby are spliced into the interior side form of an integral body.Side form also has identical construction and layout in another.
Shown in Fig. 3 A-C, Fig. 4 and Fig. 6 A and 6B, have a plurality of alignment pins 30 in the bottom of side form (in comprising side form 10 with outside side form 6).Wherein, the alignment pin that is positioned on the side form 10 can be described as the side form alignment pin, and the alignment pin that is positioned on the outer side form 6 can be described as outer side form alignment pin.On bed die 4, have a plurality of with only think corresponding locating hole 32.Side form is connected with the coupling of locating hole through alignment pin with bed die.The layout of locating hole should make each parts of side form to be connected with bed die suitably and can be combined into an integral body on bed die.As shown in Figure 4, preferably, said a plurality of locating holes 32 are about central axis 50 symmetries.Thereby can bring the simplicity of assembling, the assembling simplicity of side form in being particularly advantageous in.
Shown in Fig. 3 C, part 18 and 20 is provided with apart from 200mm place, its outer end and is used to hold mould 8 connection structure connecting 42 in the end, is empty in diagram.In use side parts 18 and 20 splice, under the situation of side form, end mould 8 is connected with interior side form through this syndeton 42, two are held the length between the mould is 6150mm, so this model 1 promptly can be used for molded second ladder-type sleepers (6150mm type).Not shown, part 14 and 16 is provided with apart from 200mm place, its outer end and is used to hold the mould connection structure connecting in the end.In use side parts 14 and 16 splice, under the situation of side form, end mould 8 is connected with interior side form through this syndeton, two are held the length between the mould is 7400mm, so model can be used for molded first ladder-type sleepers (7400mm type).Likewise, part 18 and 20 can be provided with apart from 250mm place, its outer end and be used to hold mould 8 connection structure connecting in the end, thereby model can be used for the ladder-type sleepers of molded 6050mm.Be appreciated that if this syndeton is when being hole as shown in the figure, can be when the ladder-type sleepers of molded 6150mm stifled with it on.
Refer now to Fig. 5 A and B, show embodiment according to end mould 8 of the present invention.In this embodiment, end have on the mould 8 be used for side form on the syndeton 40 that is connected of syndeton, as shown be the hole.End mould 8 has hole, a plurality of positions as be known in the artly.Shown in Fig. 5 A, the height at end mould 8 side form place in being adjacent to is less than the height at side form place outside being adjacent to.This is for a kind of like this ladder-type sleepers is provided: the end face of its longitudinal beam is towards tilt.
Outer side form 6 according to the present invention preferably is made up of a plurality of parts.With reference now to Fig. 6 A and B,, show parts 26 according to outer side form 6 of the present invention.In Fig. 6 A, the right side of these parts 26 has the Mosaic face that tilts with medial axis.Not shown ground, another parts that splice with these parts have the Mosaic face complementary with this face, thus each parts is spliced into holistic outer side form 6.The splicing of this inclination is compared with existing straight splicing and has been reduced the possibility of leaking (concrete) slurry in the molding process.Not shown ground, side form 10 ground are being provided for and are holding mould 8 connection structure connecting in can being similar on the outer side form 6 on the relevant position of its outer end.In an illustrated embodiment, syndeton is the hole.In use, screw or other structures are screwed in or insert in the hole of side form and end mould, thereby make the end mould be fixed with respect to side form.Combine Fig. 1 once more; Protuberance in the shown dissimilar ladder-type sleepers is the same about the relative position of its cross central line, thereby the part and the distance of central axis that are used to be molded into the protuberance of ladder-type sleepers outside in the side form 6 can equal the distance of the protuberance and the cross central line of this ladder-type sleepers.In this case, when molded various dissimilar ladder-type sleepers, outer side form can be constant with respect to the layout of central axis.Shown in preferred embodiment in, outer side form 6 has the same long length with bed die, i.e. 7800mm.
The use of the preferred embodiment of model 1 mentioned above is described now.Bed die with 7800mm length is provided as indicated abovely, 2 outer side forms, 2 as interior side form, 4 end moulds with suitable dimension with 7800mm length.Interior side form comprises each parts of describing in detail like preceding text.When wanting the ladder-type sleepers of molded 7400mm, outer side form is placed on the bed die, and will holds mould to be connected with outer side form, steel strand is then put connector (square steel) then.Then interior side form is placed on the bed die, wherein, selects for use above-mentioned two basic elements of character 12 and end part 14 and 16 to be used to be assembled into interior side form.Can select then to fix alignment pin with screw means.Next can carry out stretch-draw, concrete perfusion and maintenance and put etc. according to the process of moulded concrete sleeper.Treat to dismantle model to the end.
After producing first ladder-type sleepers (7400mm), need change into when producing second ladder-type sleepers (6150mm), only need said end part 14 and 16 is disassembled, and change end part 18 and 20 into, and will hold mould to move on to the relevant position to get final product.If change the ladder-type sleepers of producing 6150mm into, step and above-mentioned similar, only the hole that possibly block up of need passes again, and will hold mould to move on to here to get final product.Changing into when producing first ladder-type sleepers (7400mm) when producing second ladder-type sleepers (6150mm) or the 3rd ladder-type sleepers (6050mm), is that end part 18 and 20 is changed to end part 14 and 16.Therefore realized being common to the ladder-type sleepers of producing multiple model, and the conversion of the type of the ladder-type sleepers that can realize apace producing.
The present invention improves the production models of conventional trapezoidal sleeper, and ladder-type sleepers model according to the present invention can improve production efficiency of products, can reduce cost again.

Claims (8)

1. model (1) that is used for molded at least two kinds of ladder-type sleepers (100,200,300), this ladder-type sleepers has the protuberance of having (104; 204,304) two longitudinal beams and at least two connectors (102,202 that connect this longitudinal beam; 302), it is characterized in that this model has:
Bed die (4), the cross central line (150,250,350) of dividing ladder-type sleepers length when central axis of this bed die (50) and molded ladder-type sleepers equally overlaps;
Two outer side forms (6) that link to each other with this bed die; The part and the distance of this central axis (50) that are used to be molded into the protuberance of this ladder-type sleepers in should outer side form (6) equal protuberance (104,204,304) and this cross central line (150 of this ladder-type sleepers; 250,350) distance;
Two inboard modules, each inboard module have at least one basic element of character (12), at least two opposite end parts (14,16; 18; 20) and a plurality of support component (22) that is used to support the connector of ladder-type sleepers; Wherein the length of this basic element of character (12) equals the distance between adjacent two connectors, and the length of two end parts in the pair of end parts is equal to each other, being uneven in length in the length of other opposite end parts of arbitrary opposite end parts; This basic element of character (12), arbitrary opposite end parts (14,16; 18,20) splice the interior side form (10) that is configured for molded ladder-type sleepers with support component (22);
Four end moulds (8) that are positioned on this bed die and link to each other with the end part with corresponding outer side form (6) respectively, two end parts and two end moulds of wherein being used for molded same longitudinal beam are about this central axis (50) symmetric arrangement;
Wherein, said outer side form is configured to the complimentary surface that said relatively central axis tilts by the Mosaic face between a plurality of parts (26) formation and each parts;
Wherein, the height at said end mould aspect ratio adjacent inner side mould place at side form place outside adjacency is high.
2. model according to claim 1 is characterized in that, said outer side form (6) have with bed die on the outer side form alignment pin that is connected of locating hole (32), said in side form (10) have with bed die on the interior side form alignment pin that is connected of locating hole (32).
3. model according to claim 1 is characterized in that, said ladder-type sleepers has three longitudinally-spaced connectors, and said connector is about said cross central line symmetry, and wherein each inboard module has two said basic elements of character.
4. model according to claim 3 is characterized in that, said at least two opposite end parts (14,16; 18,20) comprise the first opposite end parts (14,16) and the second opposite end parts (18,20).
5. model according to claim 4; It is characterized in that; Said model is used to molded three kinds of ladder-type sleepers, and first kind of ladder-type sleepers (100) has 7400mm length, and the wherein said basic element of character (12) has 2500mm length; In the said first opposite end parts (14,16) each all has 1400mm length and is used for and end mould (8) connection structure connecting being provided with apart from 200mm place, its outer end.
6. model according to claim 5; It is characterized in that; Second kind of ladder-type sleepers (200) has 6150mm length, each in the said second opposite end parts (18,20) all have 775mm length and be provided with apart from 200mm place, its outer end be used for the end mould (8) connection structure connecting (42).
7. model according to claim 6 is characterized in that, the third ladder-type sleepers (300) has 6050mm length, and each in the wherein said second opposite end parts (18,20) is used for and end mould (8) connection structure connecting being provided with apart from 250mm place, its outer end.
8. model according to claim 2; It is characterized in that; Being used on the said bed die located the locating hole (30) of outer side form about said central axis (50) symmetry, and being used on the said bed die located the locating hole (30) of interior side form about said central axis (50) symmetry.
CN200910242870A 2009-12-18 2009-12-18 Model of ladder-shaped sleeper Active CN102101317B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493177A (en) * 1981-11-25 1985-01-15 Grossman Stanley J Composite, pre-stressed structural member and method of forming same
CN1125798A (en) * 1994-03-29 1996-07-03 财团法人铁道总合技术研究所 Ladder-type sleepers and railway tracks
CN2441849Y (en) * 2000-08-25 2001-08-08 陈德学 Double block type concrete rail pillow
CN201597100U (en) * 2009-12-18 2010-10-06 北京中铁房山桥梁有限公司 Trapezoid sleeper mold

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493177A (en) * 1981-11-25 1985-01-15 Grossman Stanley J Composite, pre-stressed structural member and method of forming same
CN1125798A (en) * 1994-03-29 1996-07-03 财团法人铁道总合技术研究所 Ladder-type sleepers and railway tracks
CN2441849Y (en) * 2000-08-25 2001-08-08 陈德学 Double block type concrete rail pillow
CN201597100U (en) * 2009-12-18 2010-10-06 北京中铁房山桥梁有限公司 Trapezoid sleeper mold

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