CN208884276U - A kind of Varying-thickness ladder type prefabricated plate - Google Patents

Abstract

The utility model discloses Varying-thickness ladder type prefabricated plates: including, left and right two is along the parallel installation settings of track extending direction, the longitudinal beam for supporting and fixing rail, the longitudinal beam is placed on the base, the Varying-thickness ladder type prefabricated plate is placed in track circuit 3 in Curve Segment, on along rail direction, the top surface of the outer beams and the top surface of inboard beams all follow the variation of superrelation on curve and take and be obliquely installed；On the cross section perpendicular to rail direction, the longitudinal top surface of the beam line in left and right is oblique line, and angle needed for tilt angle is equal to superrelation on curve realizes the superelevation setting of 3 in Curve Segment, it can be ensured that high-precision, the high ride of Rail inspection that is, on stringer；Longitudinal beam thickness value on the outside of curve is greater than the longitudinal beam thickness value positioned inside；Stringer bottom surface be it is horizontal, can reduce difficulty of construction, improve construction efficiency；The pulling plate structure of the mountable drawer type replacement cushion blocking that gasket is turned up is additionally provided between longitudinal beam and pedestal.

Description

A kind of Varying-thickness ladder type prefabricated plate

Technical field

The utility model relates to field of track traffic, in particular to a kind of Varying-thickness ladder type prefabricated plate.

Background technique

Subway already becomes as the important vehicles of one of modern city and solves urban traffic blocking, maximum Change the effective means for utilizing urban land resource.But at the same time, vibration noise brought by the operation of subway large area pollutes Also also more and more adverse effects are brought to the production and living of people.Ladder type prefabricated plate is developed based on longitudinal sleeper theory , the structure by concrete stringer as fixation and continuous supporting rail, and it is mixed with steel pipe or reinforcing bar between left-right longeron Solidifying soil carries out lateral stiffness connection, forms the integral structure of " ladder type ".Ladder type prefabricated plate rail system not only has light weight Change quality-spring system, vibration and noise reducing performance is good, the superiority such as maintenance management cost are greatly reduced, and also having improves vehicle - dynamic characteristics of track structure system with interaction, improve the characteristics of operation vehicle safety and comfort.

Rail line upper curve there are inevitable, it is common to set so will have the design of superrelation on curve Meter method be in circular curve location by entire track structure in cross-sectional direction rotation, be formed slopely superelevation, ladder type prefabricated plate is cut Face and length direction are usually all uniform thickness, and inclination is realized on the base；And the easement curve of straight line and circular curve transition location Superelevation is gradual change, and to generally remain thickness constant for ladder type prefabricated plate, therefore generally by basement tilt realization superrelation on curve, pass through The padded realization easement curve superelevation runoff of fastener.Such mode has strict requirements to the padded of easement curve section fastener, simultaneously The inclination of pedestal increases the difficulty of construction of pedestal again, if there is construction disaster, to the safety of entire route, reliability and smooth Property is affected.

In view of the above-mentioned problems, the present invention has done further research to existing equal thickness ladder type prefabricated plate, and design A kind of Varying-thickness ladder type prefabricated plate.

Summary of the invention

To solve the above-mentioned problems, present inventor has performed sharp studies, design a kind of Varying-thickness ladder type prefabricated plate: packet It includes, along the parallel installation settings of track extending direction, the longitudinal beam for supporting and fixing rail, the longitudinal beam is put for left and right two It sets on the base, the Varying-thickness ladder type prefabricated plate is placed in track circuit 3 in Curve Segment, described outer on along rail direction The top surface of curb girder and the top surface of inboard beams all follow the variation of superrelation on curve and take and be obliquely installed；Perpendicular to rail direction On cross section, left-right longeron top surface line is inclined surface, angle needed for tilt angle is equal to superrelation on curve is realized on stringer The superelevation of 3 in Curve Segment is arranged, it can be ensured that high-precision, the high ride of Rail inspection；Longitudinal beam on the outside of curve is thick Angle value is greater than the longitudinal beam thickness value positioned inside；Stringer bottom surface be it is horizontal, be placed on outer base positioned at outer beams, it is interior Curb girder is placed on inner seat, and the height of outer base is higher than the height of inner seat, and the top surface of pedestal is horizontal plane, Longitudinal beam can be readily fit on pedestal in work progress, can reduce difficulty of construction, construction efficiency be improved, thus complete At the utility model.

The purpose of this utility model is to provide a kind of Varying-thickness ladder type prefabricated plate, the Varying-thickness ladder type prefabricated plate packet Include: two are arranged on pedestal 8 along track extending direction longitudinal beam 6 disposed in parallel, the longitudinal beam 6,

The Varying-thickness ladder type prefabricated plate is placed in track circuit 3 in Curve Segment；The track circuit curved section includes being located at The circular curve segment at middle part and easement curve section positioned at the circular curve segment two sides,

Wherein, the longitudinal beam 6 on the outside of track is outer beams 61, and the longitudinal beam 6 on the inside of track is inboard beams 62, The thickness value of the outer beams 61 is greater than the thickness value of inboard beams 62,

On the section vertical with track extending direction, the top surface of the outer beams 61 and the top surface of inboard beams 62 are all opposite It is obliquely installed in horizontal plane；

By the way that the thickness value and sloped top face of the longitudinal beam 6 is arranged, so that the top for the section of track being made of the longitudinal beam 6 Portion is inclined relative to horizontal.

Wherein, pedestal 8 includes outer base 81 and inner seat 82；

On the Varying-thickness ladder type prefabricated plate being set on circular curve segment, pedestal 81 on the outside are arranged in the outer beams 61 On, the inboard beams 62 are arranged on inner seat 82, and the height value of the outer base 81 is greater than the height of inner seat 82 Value.

Wherein, joint steel pipe 4 is provided between two longitudinal beams 6 disposed in parallel；

The top surface of outer beams 61 is tilted to the side for being provided with joint steel pipe 4；

The top surface of the top surface of inboard beams 62 is tilted to the side for being not provided with joint steel pipe 4.

Wherein, the inclination angle value of 61 top surface of outer beams is consistent with the inclination angle value of 62 top surface of inboard beams；

The inclination angle value of 62 top surface of inclination angle value and inboard beams of 61 top surface of outer beams is all 0~7 °.

Wherein, the top surface of outer base 81 is horizontal, and the outer beams 61 are horizontally disposed on outer base 81；

The top surface of inner seat 82 be it is horizontal, the inboard beams 62 are disposed horizontally on inner seat 82.

Wherein, on the Varying-thickness ladder type prefabricated plate being set in easement curve section, on along track extending direction, institute State the uniform gradual change of thickness value of outer beams 61.

Wherein, on the Varying-thickness ladder type prefabricated plate for moving closer to circular curve segment, the thickness value of the outer beams 61 is gradually Become larger；

On the Varying-thickness ladder type prefabricated plate for being gradually distance from circular curve segment, the thickness value of the outer beams 61 is gradually become smaller；

On the Varying-thickness ladder type prefabricated plate being set on circular curve segment, the thickness value of outer beams 61 is constant, and outer beams 61 thickness value is greater than the thickness value of inboard beams 62.

Wherein, the positive stop lug boss 7 protruded to side, side and institute in the longitudinal beam 6 are provided on the longitudinal beam 6 The side for stating positive stop lug boss 7 is both provided with cushion 1,

The bottom of the longitudinal beam 6 is provided with cushion blocking 5.

Wherein, the bottom of the stringer 6 is provided with drawer type upper plate 12, being provided at the top of the pedestal 8 can edge Dampening square is arranged to the drawer type lower plate 13 to reciprocatingly slide, the cushion blocking 5 in drawer type upper plate 12 and drawer type lower plate 13 Between.

Wherein, the mountable height-regulating gasket 15 between the bottom of drawer type lower plate 13 and pedestal 8, and/or

The mountable height-regulating gasket 15 between drawer type upper plate 12 and cushion blocking 5.

The utility model has the following beneficial effects:

(1) Varying-thickness ladder type prefabricated plate makes prefabricated board basement construction simplerization, since easement curve section needs are examined The problem of considering half superelevation or full superelevation, for traditional equal thickness ladder type prefabricated plate, then the pedestal of prefabricated board needs to be designed to one Constant inclination angle, correspondingly reinforcing bar, template are required to inclination gradual change, and concreting top surface is also inclined surface, so that its difficulty of construction Increase, and pedestal can be designed using the design that Varying-thickness ladder type prefabricated plate then realizes superelevation amount on longitudinal beam At equal thickness pedestal, top surface is horizontal, and reinforcing bar, template, concreting, fastener assembling are greatly simplified, so that it is applied Work difficulty reduces；

(2) longitudinal beam and pedestal together constitute the superelevation amount requirement of easement curve section, since pedestal level is applied at scene Work is than there is the construction enhanced convenience at certain inclination angle, while precision is easier to ensure that, and the longitudinal beam of Varying-thickness is in precasting yard Interior processing, superelevation amount can be controlled preferably, and Varying-thickness ladder type prefabricated plate in the application is preferably guaranteed with its pedestal The requirement of construction precision；

(3) a part for having difficulty of construction has been placed on pre-fabricated factory and processed by Varying-thickness ladder type prefabricated plate, and live The relatively small construction of difficulty is only carried out, so the progress entirely constructed is improved, so that construction efficiency greatly improves；

(4) design of traditional equal thickness ladder type prefabricated plate is in straightway operational excellence, but has arrived circular curve segment or mitigation When curved section, since superrelation on curve is along the requirement on slope, so needing that corresponding height-regulating method is taken just to be able to satisfy, conventional method one Kind be that fastener is padded, one is pedestals, and superelevation is arranged, if but two methods Construction control go wrong, be not able to satisfy route Required precision, or the empty appearance for hanging phenomenon is caused, it is too low in turn result in Track regularity.And Varying-thickness ladder type prefabricated plate is set Meter, constructs in prefabricated place, can satisfy the requirement of design accuracy, while also reducing the difficulty of site operation, make Track regularity is obtained to greatly improve；

(5) since the cushion blocking of longitudinal soffit inlays burr, when cushion blocking service life reach when or vibration damping When pad is by destroying, replacement is relatively difficult, and the extractable and changeable cushion blocking in the application then adequately solves the above problem, indulges It sets to beam bottom portion there are two elongated slot, it is internal to place cushion blocking, while it being transversely provided with cushion blocking limiting device, addition can also be passed through Gasket adjusts longitudinal depth of beam；

Detailed description of the invention

Fig. 1 shows a kind of structural plan of Varying-thickness ladder type prefabricated plate according to a kind of preferred embodiment of the utility model Schematic diagram；

Fig. 2 shows trapezoidal pre- according to transverse direction Varying-thickness when the circular curve segment superelevation of preferred embodiment of the utility model a kind of Making sheet sectional schematic diagram；

It is two-way in length and breadth when Fig. 3 shows the easement curve section superelevation runoff according to a kind of preferred embodiment of the utility model Varying-thickness ladder type prefabricated plate sectional schematic diagram；

It is two-way in length and breadth when Fig. 4 is shown according to easement curve superelevation runoff in a kind of preferred embodiment of the utility model Varying-thickness ladder type prefabricated plate elevation；

Fig. 5 is shown to thicken according to direction along ng a path when circular curve segment superelevation in a kind of preferred embodiment of the utility model Spend ladder type prefabricated plate facade；

Fig. 6 show according in a kind of preferred embodiment of the utility model drawer type upper plate coat drawer type lower plate when Structural schematic diagram；

Fig. 7 show according in a kind of preferred embodiment of the utility model drawer type lower plate coat drawer type upper plate when Structural schematic diagram；

Fig. 8 show according in a kind of preferred embodiment of the utility model the bottom of drawer type lower plate and pedestal it Between, between drawer type upper plate and cushion blocking all place be turned up gasket schematic diagram；

Fig. 9, which is shown, to be shown according to a kind of ladder type prefabricated plate borded pile of preferred embodiment of the utility model with vibration damping mat structure It is intended to；

Figure 10 is shown according to the ladder type prefabricated plate automatic adjustment height rear screw column in a kind of preferred embodiment of the utility model With cushion blocking structural schematic diagram；

Figure 11 is shown according to the ladder type prefabricated plate screw thread and internally threaded sleeve in a kind of preferred embodiment of the utility model Structural schematic diagram.

Drawing reference numeral explanation:

1- cushion

2- internally threaded sleeve

3- lifting pin

4- joint steel pipe

5- cushion blocking

6- longitudinal beam

61- outer beams

62- inboard beams

7- positive stop lug boss

8- pedestal

81- outer base

82- inner seat

12- drawer type upper plate

13- drawer type lower plate

The upper lateral baffle of 121-

Lateral baffle under 131-

The first transverse slat of 122-

The second transverse slat of 132-

14- limited block

Gasket is turned up in 15-

Specific embodiment

Below by drawings and examples, the present invention is described in more detail.Illustrated by these, the features of the present invention It will be become more apparent from advantage clear.

Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the attached drawings In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.

The present inventor has found that a kind of Varying-thickness ladder type prefabricated plate, the Varying-thickness ladder type prefabricated plate includes: two after study Along track extending direction longitudinal beam 6 disposed in parallel, the longitudinal beam 6 is arranged on pedestal 8 item, disposed in parallel at two It is provided with joint steel pipe 4 between longitudinal beam 6, the trapezium structure for connecing steel pipe 4 for being connected as one two longitudinal beams 6, And the longitudinal beam is prefabricated, so referred to as ladder type prefabricated plate.

The Varying-thickness ladder type prefabricated plate is placed in track circuit 3 in Curve Segment, the i.e. turning of track, the railway line Road 3 in Curve Segment includes the easement curve section positioned at the circular curve segment at middle part and positioned at the circular curve segment two sides, and Varying-thickness is trapezoidal Prefabricated board makes basement construction simplerization, since easement curve section needs to consider the problems of half superelevation or full superelevation, for Traditional equal thickness ladder type prefabricated plate, then its prefabricated board pedestal needs to be designed to certain inclination angle, and correspondingly reinforcing bar, template are required to Gradual change is tilted, concreting top surface is also inclined surface, so that its difficulty of construction increases, and uses Varying-thickness ladder type prefabricated plate then The design that superelevation amount is realized on prefabricated longitudinal beam can be designed to equal thickness pedestal, top surface for pedestal Level, reinforcing bar, template, concreting, fastener assembling are greatly simplified, so that its difficulty of construction reduces；

In one preferred embodiment, as shown in Fig. 1-Fig. 5, the longitudinal beam 6 on the outside of track is outer beams 61, the longitudinal beam 6 on the inside of track is inboard beams 62, and the thickness value of the outer beams 61 is greater than the thickness value of inboard beams 62, So that inboard beams and outside depth of beam difference, thickness described herein refers to average thickness, interior in the application Inner side and outer side where side and outside refer to Varying-thickness ladder type prefabricated plate at curved in tracks.

Preferably, on the Varying-thickness ladder type prefabricated plate being set on circular curve segment, along track extending direction, outside The thickness value of beam 61 is constant, and the thickness value of outer beams 61 is greater than the thickness value of inboard beams 62.

On the section perpendicular to track extending direction, the top surface of the outer beams 61 and the top surface of inboard beams 62 are all opposite It is obliquely installed in horizontal plane；By the way that the thickness value and sloped top face of the longitudinal beam 6 is arranged, so that being made of the longitudinal beam 6 The section of track at the top of be inclined relative to horizontal, i.e., the plane on the section of track where two rail is inclined relative to horizontal.

Further, the top surface of outer beams 61 is tilted towards the side for being provided with joint steel pipe 4；

The top surface of the top surface of inboard beams 62 is tilted towards the side for being not provided with joint steel pipe 4.

Preferably, the inclination angle value of 61 top surface of outer beams is consistent with the inclination angle value of 62 top surface of inboard beams；

The inclination angle value of 62 top surface of inclination angle value and inboard beams of 61 top surface of outer beams is all 0~7 °.

On the cross section perpendicular to rail direction, the longitudinal top surface of the beam line in left and right is oblique line, and tilt angle is equal to curve Angle needed for superelevation realizes the superelevation setting of 3 in Curve Segment, it can be ensured that the high-precision of Rail inspection, Gao Ping that is, on stringer It is pliable.

Longitudinal beam and pedestal together constitute the superelevation amount requirement of easement curve, since there is pedestal divergence ratio at scene The construction enhanced convenience at certain inclination angle, while precision is easier to ensure that, and Varying-thickness ladder type prefabricated plate adds in precasting yard Work, superelevation amount can be controlled preferably, and Varying-thickness ladder type prefabricated plate is allowed preferably to guarantee wanting for construction precision with its pedestal It asks.

In a preferred embodiment, as shown in Fig. 1-Fig. 5,

Pedestal 8 includes outer base 81 and inner seat 82；

On the Varying-thickness ladder type prefabricated plate being set on circular curve segment, the outer beams 61 are placed on outer base 81 On, the inboard beams 62 are placed on inner seat 82, and the height value of the outer base 81 is greater than the height of inner seat 82 Value.

On the Varying-thickness ladder type prefabricated plate being set in easement curve section, the height value of the outer base 81 is equal to interior The height value of side group seat 82.

In a preferred embodiment, as shown in Fig. 1-Figure 10,

The top surface of outer base 81 be it is horizontal, the outer beams 61 are disposed horizontally on outer base 81；

The top surface of inner seat 82 be it is horizontal, the inboard beams 62 are disposed horizontally on inner seat 82, i.e. this Shen Please described in pedestal top surface be it is horizontally disposed, only longitudinal beam need to be horizontally placed at the top of pedestal in the construction process i.e. Can, due to be it is horizontally disposed, work progress is extremely simple, and construction efficiency is high, it is not easy to working vessels occurs.

In one preferred embodiment, as shown in Figure 4, trapezoidal pre- in the Varying-thickness being set in easement curve section In making sheet, along track extending direction, the uniform gradual change of thickness value of the outer beams 61；

Further, on the Varying-thickness ladder type prefabricated plate for moving closer to circular curve segment, the thickness value of the outer beams 61 It becomes larger；

On the Varying-thickness ladder type prefabricated plate for being gradually distance from circular curve segment, the thickness value of the outer beams 61 is gradually become smaller.

The trapezoidal pre- supporting plate of Varying-thickness will have a part of difficulty of construction to be placed in precasting yard to process, and scene is The relatively small construction of difficulty is carried out, so the progress entirely constructed is improved, so that construction efficiency greatly improves.

In one preferred embodiment, as shown in fig. 1, the limit protruded to side is provided on the longitudinal beam 6 Position boss 7, is both provided with cushion 1 in the side of the longitudinal beam 6 and the side of the positive stop lug boss 7,

The bottom of the longitudinal beam 6 is provided with cushion blocking 5.

In one preferred embodiment, due to cushion blocking 5 probably due to prolonged high-pressure work and it is damaged, more It is likely difficult to disposably take out complete cushion blocking 5 when changing cushion blocking 5, especially when cushion blocking 5 is pasted onto because aging is denaturalized When on pedestal or longitudinal beam, cushion blocking 5 could be taken out by needing to expend the more time, for this purpose, the prefabricated board in the present invention It is upper to be arranged just like Fig. 6, Fig. 7 and drawer-type structure shown in fig. 8, specifically, the bottom of the stringer 6 is provided with drawer Formula upper plate 12, being provided at the top of the pedestal 8 can be along the drawer type lower plate 13 that horizontal direction reciprocatingly slides, the vibration damping Pad 5 is arranged between drawer type upper plate 12 and drawer type lower plate 13.

Preferably, the drawer type upper plate 12 is fixed on longitudinal beam 1, can be fixed by pre-buried mode, can also be with It fixes by other means, the drawer type lower plate 13 is placed on pedestal 8, and can be past along horizontal direction on pedestal 8 Multiple sliding；The cushion blocking can reciprocatingly slide together with drawer type lower plate 13, it is preferable that the cushion blocking is pasted onto the pumping In drawer formula lower plate 13；

Preferably, as shown in Fig. 6, Fig. 7 and Fig. 8, the two sides of the drawer type upper plate 12 be provided with bend downward it is upper Lateral baffle 121, the two sides of the drawer type lower plate 13 are provided with the lower lateral baffle 131 being folded upward at；

Described two lateral baffles 121 are all located at the outside or described two of described two lower lateral baffles 131 Upper lateral baffle 121 is all located at the inside of described two lower lateral baffles 131, so that drawer type lower plate 13 is in the horizontal direction On, it can only reciprocatingly slide along the extending direction of upper lateral baffle 121, play the role of lateral Displacement.

It is highly preferred that being additionally provided with upwards on the upper surface of the drawer type lower plate 13 in the two sides of the cushion blocking The limited block 14 of protrusion, the limited block 14 limit the lateral of cushion blocking and move for further fixing, limiting the cushion blocking It is dynamic, it can also further fix cushion blocking, it is ensured that in pull drawer type lower plate 13, cushion blocking can be with drawer type lower plate 13 It moves together, to provide convenience for replacement cushion blocking, the process for simplifying cushion blocking replacement improves replacement efficiency.

It is further preferred that as shown in figures 6 and 7, being connected with level in the bottom end of the upper lateral baffle 121 and setting The first transverse slat 122 set is connected with horizontally disposed second transverse slat 132 on the top of the lower lateral baffle 131, and described Second transverse slat 132 is located at the top of the first transverse slat 122, remains with scheduled height between the first transverse slat 122 and the second transverse slat 132 It is poor to spend, so that can have certain relative movement between drawer type upper plate 12 and drawer type lower plate 13 in the vertical direction, To adapt to the cushion blocking of different elastic force situations.

In one preferred embodiment, as shown in Fig. 6, Fig. 7 and Fig. 8, when needing to adjust cushion blocking or longitudinal direction It, can be in drawer type lower plate 13 when especially needing marginally to adjust cushion blocking or longitudinal depth of beam when depth of beam Gasket 15 is turned up in installation between bottom and pedestal 8, can also install between drawer type upper plate 12 and cushion blocking 5 and gasket is turned up 15；The height dimension selection adjusted as needed is put into the thickness and quantity that gasket is turned up；Wherein, it is shown in Fig. 6 and Fig. 7 The schematic diagram that gasket 15 is turned up is placed between the bottom and pedestal 8 of drawer type lower plate 13, is shown in Fig. 8 in drawer type lower plate While placing height-regulating gasket 15 between 13 bottom and pedestal 8, also places and be turned up between drawer type upper plate 12 and cushion blocking The schematic diagram of gasket 15.

In one preferred embodiment, as shown in Fig. 9, Figure 10, Figure 11, internal screw thread is embedded in longitudinal beam 6 Casing 2 is internally provided with the lifting pin 3 through pre- longitudinal beam 6 in the internally threaded sleeve 2；

The bottom end of the lifting pin 3 is connected on cushion blocking 5, and the lifting pin 3 is to crowded cushion blocking 3 downwards or upwards Jack longitudinal beam；Specifically, the lifting pin 3 is used to jack longitudinal beam 6 when repairing pedestal 8 and/or replacement cushion blocking； Jack-up/jacking longitudinal beam is maintenance pedestal, replacement cushion blocking provides working space；It is empty in replacement cushion blocking or maintenance/filling When hanging, longitudinal beam is jacked up by the lifting pin 3, so that being disengaged between longitudinal beam and pedestal, so that having therebetween At least distance of 100mm, on this basis it is possible to supporting element is placed optionally between longitudinal beam and pedestal, it is interim to play Supporting role, such as jack, chock.To which maintenance person can extract out, remove the cushion blocking to fail, and by new cushion blocking It is placed on predetermined position, mortar bag and perfusion mortar or concrete can also be placed below cushion blocking perhaps longitudinal beam 1 Deng hanging region in order to fill and lead up sky；

In addition, the mandril portion is also used to that part sedimentation occurs in pedestal, and temporarily because of originals such as time, environment, funds Because the weight of longitudinal beam equably being shared, is applied on the base, that is, is pressed down against cushion blocking when cannot be filled operation.

In an embodiment more preferably, as shown in Fig. 9, Figure 10 and Figure 11, in the bottom of the lifting pin 3 It is affixed with drawer type upper plate 12；It can be moved in the vertical direction between drawer type upper plate 12 and longitudinal beam at this time；

The lifting pin 3 is abutted against by drawer type upper plate 12 with cushion blocking；

Preferably, blind hole is offered on the upper surface of the drawer type upper plate 12, the bottom of the lifting pin 3 is embedded into In the blind hole, and the lifting pin 3 can rotate in the blind hole relative to drawer type upper plate 12.

When screwing lifting pin 3 by external force, lifting pin 3 can be extended downwardly relative to longitudinal beam, and then drive drawer Formula upper plate 12 oppresses downwards cushion blocking；Since the bottom of lifting pin 3 is embedded into the blind hole, in the work of vertical direction pressure Under, lifting pin 3 and drawer type upper plate 12 will not be separated from each other, and the lifting pin 3 can play the role of limit, prevent from taking out The vibration in the horizontal direction of drawer formula upper plate 12, when being corresponding with multiple lifting pins 3 on the drawer type upper plate 12, additionally it is possible to prevent Supporting plate 8 rotates in the horizontal direction.

It is described the invention in detail above in conjunction with detailed description and exemplary example, but these explanations are simultaneously It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention, Can be with various equivalent substitutions, modifications or improvements are made to the technical scheme of the invention and its embodiments, these each fall within the present invention In the range of.Scope of protection of the present invention is subject to the appended claims

Combining preferred embodiment above, the present invention is described, but these embodiments are only exemplary , only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this In the protection scope of invention.

Claims (10)

1. a kind of Varying-thickness ladder type prefabricated plate, which is characterized in that the Varying-thickness ladder type prefabricated plate includes: two and extends along track Direction longitudinal beam disposed in parallel (6), the longitudinal beam (6) are arranged on pedestal (8),

The Varying-thickness ladder type prefabricated plate is placed in track circuit 3 in Curve Segment；The track circuit 3 in Curve Segment includes in being located at The circular curve segment in portion and easement curve section positioned at the circular curve segment two sides,

Wherein, the longitudinal beam on the outside of track (6) is outer beams (61), and the longitudinal beam (6) on the inside of track is inboard beams (62), the thickness value of the outer beams (61) is greater than the thickness value of inboard beams (62),

On the section vertical with track extending direction, the top surface of the outer beams (61) and the top surface of inboard beams (62) are all opposite It is obliquely installed in horizontal plane；

By the way that the thickness value and sloped top face of the longitudinal beam (6) is arranged, so that the top for the section of track being made of the longitudinal beam (6) Portion is inclined relative to horizontal.

2. prefabricated board according to claim 1, which is characterized in that

Pedestal (8) includes outer base (81) and inner seat (82)；

On the Varying-thickness ladder type prefabricated plate being set on circular curve segment, pedestal (81) on the outside are arranged in the outer beams (61) On, the inboard beams (62) are arranged on inner seat (82), and the height value of the outer base (81) is greater than inner seat (82) height value.

3. prefabricated board according to claim 2, which is characterized in that

Joint steel pipe (4) are provided between two longitudinal beams (6) disposed in parallel；

The top surface of outer beams (61) is tilted to the side for being provided with joint steel pipe (4)；

The top surface of the top surface of inboard beams (62) is tilted to the side for being not provided with joint steel pipe (4).

4. prefabricated board according to claim 3, which is characterized in that

The inclination angle value of outer beams (61) top surface is consistent with the inclination angle value of inboard beams (62) top surface；

The inclination angle value of outer beams (61) top surface and the inclination angle value of inboard beams (62) top surface are all 0~7 °.

5. prefabricated board according to claim 1, which is characterized in that

The top surface of outer base (81) be it is horizontal, the outer beams (61) are horizontally disposed on outer base (81)；

The top surface of inner seat (82) be it is horizontal, the inboard beams (62) are disposed horizontally on inner seat (82).

6. prefabricated board according to claim 1, which is characterized in that

On the Varying-thickness ladder type prefabricated plate being set in easement curve section, on along track extending direction, the outer beams (61) the uniform gradual change of thickness value.

7. prefabricated board according to claim 6, which is characterized in that

On the Varying-thickness ladder type prefabricated plate for moving closer to circular curve segment, the thickness value of the outer beams (61) is become larger；

On the Varying-thickness ladder type prefabricated plate for being gradually distance from circular curve segment, the thickness value of the outer beams (61) is gradually become smaller；

On the Varying-thickness ladder type prefabricated plate being set on circular curve segment, the thickness value of outer beams (61) is constant, and outer beams (61) thickness value is greater than the thickness value of inboard beams (62).

8. prefabricated board according to claim 1, which is characterized in that

The positive stop lug boss (7) protruded to side is provided on the longitudinal beam (6), in the side of the longitudinal beam (6) and described The side of positive stop lug boss (7) is both provided with cushion (1),

The bottom of the longitudinal beam (6) is provided with cushion blocking (5).

9. prefabricated board according to claim 8, which is characterized in that the bottom of the longitudinal beam (6) is provided with drawer type Upper plate (12), being provided at the top of the pedestal (8) can be described along the drawer type lower plate (13) that horizontal direction reciprocatingly slides Cushion blocking (5) is arranged between drawer type upper plate (12) and drawer type lower plate (13).

10. prefabricated board according to claim 9, which is characterized in that

The mountable height-regulating gasket (15) between the bottom and pedestal (8) of drawer type lower plate (13), and/or

The mountable height-regulating gasket (15) between drawer type upper plate (12) and cushion blocking (5).