CN101758547B - Circular curve type post-tension prestressing longitudinal connected track slab die - Google Patents
Circular curve type post-tension prestressing longitudinal connected track slab die Download PDFInfo
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- CN101758547B CN101758547B CN2009102667377A CN200910266737A CN101758547B CN 101758547 B CN101758547 B CN 101758547B CN 2009102667377 A CN2009102667377 A CN 2009102667377A CN 200910266737 A CN200910266737 A CN 200910266737A CN 101758547 B CN101758547 B CN 101758547B
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Abstract
The utility model discloses a circular curve type post-tension prestressing longitudinal connected track slab die, which belongs to the technology field of bearing platform type track slab dies, and comprises a bed die, a side die which can be detachably connected with two sides of the bed die, and end die which can be detachably connected with the two ends of the bed die, wherein the side die can be detachably connected with the end die, a cavity of the space body formed by assembling the bed die, the side die and the end die is matched with the shape of the exterior of the longitudinal connected track slab, and the two rows of bearing platform type positions on the bed die, which correspond to the longitudinal connected track slab, can be detachably connected with two rows of adjustable one-way support rail slot dies. The invention can adjust a support rail slot frame according to the need of the linear requirement of actual space, so as to adapt to the requirement that the circular curve track slab requires the position of the bearing platform to be adjusted according to the curve of a line, can prevent the roadbed subsidence from causing the track slab to be broken, and is suitable for the preparation of track slabs of the circular curve segment of the rapid transit railway.
Description
Technical field
The present invention relates to a kind of railway plate die, especially relate to a kind of lengthways-connection type railway plate mould.
Background technology
Rail support groove on the existing desk bearing railway plate mold and bed die are integral structures, and this structure is feasible for linear pattern track plate, but just no longer suitable for the circular curve type track plate of inter-city high-speed rail upper curve section.The circuit straightway of high-speed railway and the changeover portion between the circular curve segment are called the easement curve section, and the track plate of laying on this easement curve section is called easement curve type track plate; Having crossed the easement curve section is exactly the standard circular segment, and the track plate of laying on this standard circular segment is called circular curve type track plate.Because the curve radian of circuit is different; Needed circular curve type track plate is also different; Especially the position of the support rail platform on the track plate will change thereupon, therefore needs a lot of heterotypic rail guidance tapes, but all needs to make separately respective track template die plate for the heterotypic rail guidance tape; Cost is very high like this, and work efficiency is extremely low.
There is not longitudinal connection type track slab end die groove shaped device on the existing lengthways-connection type railway plate mould end mould; Though can reaching ballastless track, the longitudinal-connecting type track slab that this mould is processed gets on the right track vertical connection the between plate and the track plate, owing to be not the connection of longitudinal prestressing reinforcing bar between the track plate, therefore; Can not carry out prestressing force to the line track plate longitudinal prestressing reinforcing bar after connecting applies; Just can not adopt the post stretching of deformed bar to carry out stretch-draw,, cause the longitudinal-connecting type track slab part unsettled probably especially for the inhomogeneous location of subgrade settlement; Under alternate stress the effect to track plate end of train wheel to formation; The end of longitudinal-connecting type track slab is very easily fractureed, " nodding " phenomenon of the track plate end of just often saying, thus cause the damage of track.
Summary of the invention
The objective of the invention is to: provide a kind of rail supporting groove mould can be according to the linear needs of real space; Adjust along track plate bed die width; And can guarantee longitudinal-connecting type track slab shear stress on the roadbed effective transmission, be distributed on the tracks adjacent plate; Effectively reduce and transmit train wheel, prevent the circular curve type post-tensioned prestressing longitudinally-connected track board mold that track plate end is fractureed the effect of the alternate stress that forms to track plate end.
Technical scheme of the present invention is: a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold; Comprise bed die and the side form that is detachably connected on the bed die both sides; And the end mould that is detachably connected on the bed die two ends; The side form end mould that removably connects, and the space body inner chamber that bed die, side form and end mould assembling back form is complementary with the outer shape of longitudinal connected track plate, arranges the cushion cap positions corresponding to two of longitudinal connected track plate on the said bed die and is removably connected with unidirectional adjustable rail supporting groove mould; Said unidirectional adjustable rail supporting groove mould comprises the rail support groove frame; The cavity shape of this rail support groove frame and track plate have grade shape of shoulder cushion cap to be complementary, and said rail support groove frame is provided with a pair of and the corresponding installing hole of service sleeve on grade shoulder cushion cap is arranged, and the row of four on bed die installing hole is circular curve and arranges; And every row's installing hole line of centres and orbit centre line parallel; The line of centres of two on every row's rail support groove frame row installing hole is the rail center line, that is to say that rail supporting groove mould can adjust along track plate bed die width according to the linear needs of real space; The rail support groove frame with have grade corresponding position of shoulder cushion cap table top to be provided with 1: 38～1: 42 rail cant; The said rail support groove frame outside is connected with to regulate bolt and will regulate bolt and lock onto the locking nut on the railway plate die, and the axis of said adjusting bolt parallels or overlaps with the line of centres of said a pair of installing hole, and the cover pipe fixing device is installed on the said installing hole.
Said rail support groove upper frame edge frame is provided with some countersunk head screws.The rail support groove frame is convenient to plane levelling on the rail support groove upper frame edge frame with after bed die is connected with dormant bolt, and this structure makes the connecting bolt between rail support groove frame and the bed die install more convenient.
Said rail support groove upper frame edge frame is provided with some tapped blind holes, and the aperture is positioned at the bottom surface of rail support groove upper frame edge frame.Bolt passes bed die from the below screw is connected with the tapped blind hole of rail support groove frame, and operation has been omitted in the last plane levelling again of this structure rail support groove upper frame edge frame, but the connecting bolt between rail support groove frame and the bed die is installed comparatively inconvenience.
Said end mould is provided with the projection that is used for the moulding of longitudinal-connecting type track slab end recesses; On the projection of said end mould shear device is housed, this shear device comprises connecting plate, and connecting plate one side is fixed with embedded bar; The connecting plate opposite side is fixed with shear plate; Wherein, said connecting plate and track plate end mould removably connect, and the projection that said shear plate passes the end mould stretches out in end mould outside; Said shear plate one side at least is provided with tooth, and the teeth groove direction of said tooth is vertical with connecting plate, also is provided with at least one connecting hole on the said shear plate.
Said connecting plate is provided with screwed hole, and said connecting plate passes this screwed hole through connecting bolt and is connected with track plate end mould.Be convenient to be connected through connecting bolt between connecting plate and the track plate end mould.
Said embedded bar is a U shaped steel muscle, make be connected between embedded bar and the track board concrete more firm.
The end of said U shaped steel muscle is outwardly-bent.This structure has further strengthened the fastness that is connected between embedded bar and the track board concrete.
Said embedded bar is fixed on connecting plate one side with welding manner, and said shear plate is fixed on the connecting plate opposite side with welding manner.Adopt this mode that is connected to make that connection is more reliable.
Said removably connecting adopts bolt or taper pin to connect.That is to say between bed die and the end mould, between bed die and the side form, removably connecting between side form and the end mould and between bed die and the integral type rail support groove can adopt bolt to be connected, and also can adopt the taper pin connection.
Between said bed die and the end mould, be provided with transverse-moving mechanism between bed die and the side form; Said transverse-moving mechanism comprises the carriage that is installed on the bed die; Level is equipped with at least two rollers on the carriage; Being abutted against on the said roller has the folding axle; Folding axle one end is connected with end mould or side form through brace, and the folding axle other end is a free end, also is provided with roof pressure at least one roller in folding axle top on the carriage.Transverse-moving mechanism is to be convenient to side form or the installation of end mould and the demoulding.
The invention has the beneficial effects as follows: can be according to real space linearity needs adjustment rail support groove frame; To adapt to the requirement that the cushion cap position of circular curve type track plate requirement on it adjusted according to the curve of circuit; Easy to adjust; Simple in structure, greatly reduce the manufacturing cost of special-shaped circular curve track plate, work efficiency significantly is provided; Can make the longitudinal-connecting type track slab that has shear device easily; This track plate can guarantee longitudinal-connecting type track slab shear stress on the roadbed effective transmission, be distributed on the tracks adjacent plate, effectively reduce train wheel to the effect of the alternate stress that forms to track plate end, prevent to be fractureed because of subgrade settlement causes track plate end; When appearance temperature changes, when longitudinal-connecting type track slab expanded with heat and contract with cold, because of the tooth that engagement is vertically arranged of the shear plate of adjacent longitudinal-connecting type track slab, this tooth can slide along the teeth groove direction, thereby guaranteed the reliability that connects between the track plate.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further specified.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of bed die among Fig. 1;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the left view of Fig. 4
Fig. 7 is the structural representation of side form among Fig. 1;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the side view of Fig. 7;
Figure 10 is the structural representation of Fig. 1 middle-end mould;
Figure 11 is the vertical view of Figure 10;
Figure 12 is the left view of Figure 10;
Figure 13 is the perspective view of Figure 10;
Figure 14 is the structural representation of shear device among Figure 10;
Figure 15 is the vertical view of Figure 14;
Figure 16 is the A-A partial sectional view of Figure 14;
Figure 17 is the structural representation of unidirectional adjustable rail supporting groove mould among Fig. 1;
Figure 18 is the vertical view of Figure 17;
Figure 19 is the left view of Figure 17;
Figure 20 is the A-A cutaway view of Figure 18;
Figure 21 is that unidirectional adjustable rail supporting groove mould is installed on the structural representation on the side panel of bed die;
Figure 22 is the perspective view of transverse-moving mechanism among Fig. 1;
Wherein, Reference numeral is: 1 is bed die, and 2 is side form, and 3 are the end mould, and 4 is unidirectional adjustable rail supporting groove mould, and 4-1 is the rail support groove frame; 4-2 is for regulating bolt, and 4-3 is an installing hole, and 4-4 is a locking nut, and 4-5 is the bed die side panel, and 4-6 is the countersunk head screw, and 4-7 is a rail cant; 5 is projection, and 5-1 is a connecting plate, and 5-2 is an embedded bar, and 5-3 is a shear plate, and 5-4 is a connecting hole, and 5-5 is an installing hole; 5-6 is a tooth, and 5-61 is a teeth groove, and 5-62 is a tooth top, and 7 is transverse-moving mechanism, and 7-1 is a carriage; 7-2 is a roller, and 7-3 is the folding axle, and 7-4 is a brace, and 7-5 is a bearing pin, and 7-6 is split pin.
The specific embodiment
Preferred embodiment
Shown in Fig. 1-9; A kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold; Comprise bed die 1 and be connected the side form 2 of bed die 1 both sides through bolt; Bed die 1 two ends are connected with end mould 3 through bolt; Pass through bolt between side form 2 and the end mould 3 and connect, and bed die 1, side form 2 and end mould 3 assemble the space body inner chamber of back formation and the outer shape of longitudinal connected track plate is complementary, two row's cushion cap positions corresponding to the longitudinal connected track plate on the said bed die 1 are connected with the unidirectional adjustable rail supporting groove mould 4 of two rows through bolt.
Shown in Figure 17-21; Said unidirectional adjustable rail supporting groove mould 4 comprises rail support groove frame 4-1; The cavity shape of this rail support groove frame and track plate have grade shape of shoulder cushion cap to be complementary; Said rail support groove frame 4-1 is provided with a pair of and the corresponding installing hole 4-3 of service sleeve on grade shoulder cushion cap is arranged; On the bed die 1 four row installing hole 4-3 is circular curve and arranges, and every row's installing hole 4-3 line of centres and orbit centre line parallel, and the line of centres of the row of two on every row's rail support groove frame 4-1 installing hole 4-3 is the rail center line; Rail support groove frame 4-1 with have grade corresponding position of shoulder cushion cap table top to be provided with 1: 38～1: 42 rail cant 4-7; The said rail support groove frame 4-1 outside is connected with to regulate bolt 4-2 and will regulate bolt 4-2 and lock onto the locking nut 4-4 on the track plate bed die side panel 4-5, and the axis of said adjusting bolt 4-2 parallels or overlaps with the line of centres of said a pair of installing hole 4-3, on the said installing hole 4-3 cover pipe fixing device is installed.Said rail support groove frame 4-1 upper side frame is provided with some countersunk head screw 4-6, and this countersunk head screw 4-6 is connected the rail support groove frame through dormant bolt with track plate bed die.Need to prove: the countersunk head screw of said rail support groove frame 4-1 upper side frame also has its substitute mode, and promptly rail support groove frame 4-1 upper side frame is provided with some tapped blind holes, and the aperture is positioned at the bottom surface of rail support groove frame 4-1 upper side frame.The method for using of the unidirectional adjustable rail supporting groove mould 4 of present embodiment is following: regulate bolt through adjustment, the position of adjustment rail support groove frame width on bed die after adjusting, is locked on the bed die side panel through locking nut.Realize the track plate of a cover railway plate die making diverse location cushion cap requirement so very easily, practiced thrift track plate manufacturing cost greatly.
Shown in Figure 10-16, said end mould 3 is provided with the projection 5 that is used for the moulding of longitudinal-connecting type track slab end recesses, on the projection 5 of said end mould 3 shear device is housed; This shear device comprises connecting plate 5-1; Connecting plate 5-1 one side is fixed with embedded bar 5-2 with welding manner, and connecting plate 5-1 opposite side is fixed with shear plate 5-3 with welding manner, wherein; Said connecting plate 5-1 and track plate end mould 3 are connected through bolt, and the projection 5 that said shear plate 5-3 passes end mould 3 stretches out in end mould 3 outsides; Said shear plate 5-3 simultaneously is provided with tooth 5-6, and the teeth groove direction of said tooth 5-6 is vertical with connecting plate 5-1, and the teeth groove 5-61 of tooth 5-6 is a V-type; Tooth top 5-62 is the plane; The V-type groove is convenient to processing and teeth groove is meshing with each other, and tooth top is that planar structure is concentrated in order to prevent stress, also is provided with two connecting hole 5-4 on the said shear plate 5-3; For the ease of regulating, this connecting hole adopts bar hole.Said connecting plate 5-1 is provided with screwed hole 5-5, and said connecting plate 5-1 passes this screwed hole 5-5 through connecting bolt and is connected with track plate end mould 3.Said embedded bar 5-2 is a U shaped steel muscle, and the end of U shaped steel muscle is outwardly-bent.
Shown in figure 22, between said bed die 1 and the end mould 3, be provided with transverse-moving mechanism 7 between bed die 1 and the side form 2; Said transverse-moving mechanism 7 comprises the carriage 7-1 that is installed on the bed die 1; Carriage 7-1 goes up level two roller 7-2 is housed; Be abutted against on the said roller folding axle 7-3 is arranged; Folding axle 7-3 one end is connected with end mould 3 or side form 2 through brace 7-4, and the folding axle 7-3 other end is a free end, also is provided with the roller 7-2 of roof pressure in folding axle 7-3 top on the carriage 7-1.Just folding axle 7-3 below has two horizontal rollers to support, and there is a roller roof pressure top, realizes side form and the installation and the demoulding of holding mould through splitting the sympodium 7-3 free end application of force.Said roller 7-2 is connected on the carriage 7-1 through bearing pin 7-5, and bearing pin 7-5 locks through split pin 7-6.
Disclosed all characteristics in this specification, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification (comprise summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. circular curve type post-tensioned prestressing longitudinally-connected track board mold; Comprise bed die (1) and be detachably connected on the side form (2) of bed die (1) both sides; And the end mould (3) that is detachably connected on bed die (1) two ends; Side form (2) removably connects and holds mould (3); And the space body inner chamber that bed die (1), side form (2) and end mould (3) assembling back form and the outer shape of longitudinal connected track plate are complementary; It is characterized in that: two row's cushion cap positions that said bed die (1) is gone up corresponding to the longitudinal connected track plate are removably connected with unidirectional adjustable rail supporting groove mould (4), and said unidirectional adjustable rail supporting groove mould (4) comprises rail support groove frame (4-1), and the cavity shape of this rail support groove frame and track plate have grade shape of shoulder cushion cap to be complementary; Said rail support groove frame (4-1) is provided with a pair of and the corresponding installing hole of service sleeve (4-3) on grade shoulder cushion cap is arranged; On the bed die (1) four row's installing hole (4-3) is circular curve to be arranged, and every row's installing hole (4-3) line of centres and orbit centre line parallel, and the center line of the row of two on every row's rail support groove frame (4-1) installing hole (4-3) line of centres is the rail center line; Rail support groove frame (4-1) with have grade corresponding position of shoulder cushion cap table top to be provided with 1: 38～1: 42 rail cant (4-7); Said rail support groove frame (4-1) outside is connected with to regulate bolt (4-2) and will regulate bolt (4-2) and lock onto the locking nut (4-4) on the railway plate die, and the axis of said adjusting bolt (4-2) parallels or overlaps with the line of centres of said a pair of installing hole (4-3), on the said installing hole (4-3) the cover pipe fixing device is installed.
2. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 1, it is characterized in that: said rail support groove frame (4-1) upper side frame is provided with some countersunk head screws (4-6).
3. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 1, it is characterized in that: said rail support groove frame (4-1) upper side frame is provided with some tapped blind holes, and the aperture is positioned at the bottom surface of rail support groove frame (4-1) upper side frame.
4. according to claim 1 or 2 or 3 described a kind of circular curve type post-tensioned prestressing longitudinally-connected track board molds; It is characterized in that: said end mould (3) is provided with the projection (5) that is used for the moulding of longitudinal-connecting type track slab end recesses; On the projection (5) of said end mould (3) shear device is housed, this shear device comprises connecting plate (5-1), and connecting plate (5-1) side is fixed with embedded bar (5-2); Connecting plate (5-1) opposite side is fixed with shear plate (5-3); Wherein, said connecting plate (5-1) removably connects with track plate end mould (3), and the projection (5) that said shear plate (5-3) passes end mould (3) stretches out in end mould (3) outside; Said shear plate (5-3) one side at least is provided with tooth (5-6), and the teeth groove direction of said tooth (5-6) is vertical with connecting plate (5-1), also is provided with at least one connecting hole (5-4) on the said shear plate (5-3).
5. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 4; It is characterized in that: said connecting plate (5-1) is provided with screwed hole (5-5), and said connecting plate (5-1) passes this screwed hole (5-5) through connecting bolt and is connected with track plate end mould (3).
6. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 5, it is characterized in that: said embedded bar (5-2) is a U shaped steel muscle.
7. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 6, it is characterized in that: the end of said U shaped steel muscle is outwardly-bent.
8. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 6; It is characterized in that: said embedded bar (5-2) is fixed on connecting plate (5-1) side with welding manner, and said shear plate (5-3) is fixed on connecting plate (5-1) opposite side with welding manner.
9. according to any described a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold of claim 5 to 8, it is characterized in that: said removably connecting adopts bolt or taper pin to connect.
10. a kind of circular curve type post-tensioned prestressing longitudinally-connected track board mold according to claim 9 is characterized in that: between said bed die (1) and end mould (3), be provided with transverse-moving mechanism (7) between bed die (1) and the side form (2); Said transverse-moving mechanism (7) comprises the carriage (7-1) that is installed on the bed die (1); Carriage (7-1) is gone up level at least two rollers (7-2) is housed; Be abutted against on the said roller folding axle (7-3) is arranged; Folding axle (7-3) end is connected with end mould (3) or side form (2) through brace (7-4), and folding axle (7-3) other end is a free end, also is provided with roof pressure at least one roller (7-2) in folding axle (7-3) top on the carriage (7-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102667377A CN101758547B (en) | 2009-12-31 | 2009-12-31 | Circular curve type post-tension prestressing longitudinal connected track slab die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102667377A CN101758547B (en) | 2009-12-31 | 2009-12-31 | Circular curve type post-tension prestressing longitudinal connected track slab die |
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| Publication Number | Publication Date |
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| CN101758547A CN101758547A (en) | 2010-06-30 |
| CN101758547B true CN101758547B (en) | 2012-01-04 |
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| CN2009102667377A Active CN101758547B (en) | 2009-12-31 | 2009-12-31 | Circular curve type post-tension prestressing longitudinal connected track slab die |
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| CN106965316A (en) * | 2017-05-16 | 2017-07-21 | 山西高行液压股份有限公司 | The type non-fragment orbit board forming dies of high-speed railway CRTS III |
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