CN111155363B - Floating unit plate - Google Patents
Floating unit plate Download PDFInfo
- Publication number
- CN111155363B CN111155363B CN202010065441.5A CN202010065441A CN111155363B CN 111155363 B CN111155363 B CN 111155363B CN 202010065441 A CN202010065441 A CN 202010065441A CN 111155363 B CN111155363 B CN 111155363B
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- floating
- rail bearing
- splicing
- splicing surface
- bearing table
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- 238000009434 installation Methods 0.000 claims description 71
- 230000004044 response Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 238000010276 construction Methods 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 8
- 238000011065 in-situ storage Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2201/00—Fastening or restraining methods
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a floating unit board, comprising: the plurality of floating slab unit blocks are sequentially distributed along the extending direction of the track line and are spliced and connected, and the connecting assembly is used for connecting the plurality of floating slab unit blocks to form the floating slab. The floating slab unit block is provided with a first splicing surface and a second splicing surface which are oppositely arranged, the first splicing surface and the second splicing surface are both arranged along the width direction of the floating slab unit, the first splicing surface and the adjacent two side surfaces are obliquely arranged to form an inclined surface, and the second splicing surface and the adjacent two side surfaces are vertically arranged to form a vertical surface or the second splicing surface and the first splicing surface are symmetrically arranged along the central line surface of the floating slab unit block. The first splicing surfaces of the floating slab unit blocks are spliced and connected with the first splicing surfaces of the adjacent floating slab unit blocks to form a linear floating slab unit; and/or the first splicing surface of the floating slab unit block is spliced and connected with the second splicing surface of the adjacent floating slab unit block to form the curve floating slab.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a floating unit plate.
Background
The floating slab track bed is the most effective structure for reducing the vibration and noise of the track traffic at present, and has the remarkable advantages of good vibration reduction effect, less later operation and maintenance cost, long service life and the like compared with other vibration reduction tracks. The floating slab ballast bed generally adopts a cast-in-situ or prefabricated installation construction mode, but the cast-in-situ floating slab has the problems of difficult guarantee of the quality of cast-in-situ construction due to complex structure, poor appearance, exposed reinforcing steel bars, surface cracking, large geometric dimension precision deviation of the track and the like.
Although the common prefabricated floating slab is suitable for mass production in factories, the construction speed is high, the section of a tunnel construction site is small, the construction space and the transportation and hoisting are limited, the single length of the common prefabricated floating slab is generally 3.6-8 m, the 25-30 m of the cast-in-situ floating slab cannot be achieved, and the vibration reduction effect of the common prefabricated floating slab is reduced due to the shorter length and the smaller mass. Because the length of the plate body is limited, the track structure of the floating plate formed by the common prefabricated floating plates inevitably has discontinuous conditions at the plate ends of the adjacent floating plates, and the discontinuous conditions are more, the vibration response generated when a train passes through the floating plate ends is much larger than that generated when the train passes through the plates, the driving safety is reduced, and the service life is reduced due to the poor stress condition of the track components at the plate ends; although the shear hinge is adopted to connect adjacent common prefabricated floating plates in actual engineering, the problem of 'influencing the stable structure and safe use' of the floating plate track caused by the discontinuity of plate ends can not be effectively solved.
Disclosure of Invention
The invention provides a floating unit plate, which solves the technical problems of limited construction space and transportation hoisting, poor driving safety, poor vibration reduction effect and high maintenance cost of the conventional common precast plate.
The technical scheme adopted by the invention is as follows:
a floating cell plate comprising: the connecting assembly is used for connecting the plurality of floating slab unit blocks to form a floating slab; the floating slab unit block is provided with a first splicing surface and a second splicing surface which are oppositely arranged, the first splicing surface and the second splicing surface are both arranged along the width direction of the floating slab unit, the first splicing surface and the adjacent two side surfaces are obliquely arranged to form inclined planes, the second splicing surface and the adjacent two side surfaces are vertically arranged to form vertical planes or the second splicing surface and the first splicing surface are symmetrically arranged along the central line surface of the floating slab unit block; the first splicing surfaces of the floating slab unit blocks are spliced and connected with the first splicing surfaces of the adjacent floating slab unit blocks to form linear floating slab units extending along a straight line; and/or the first splicing surface of the floating slab unit block is spliced and connected with the second splicing surface of the adjacent floating slab unit block to form the curve floating slab with bending curvature.
Further, the floating slab unit block comprises a precast slab body and a rail bearing table group; the first splicing surface and the second splicing surface are oppositely arranged on the precast slab body, an outer end surface and an inner end surface which are oppositely arranged are respectively connected between the first splicing surface and the second splicing surface, the first splicing surface, the outer end surface, the second splicing surface and the inner end surface form the peripheral side surfaces of the precast slab body, and the precast slab body further comprises an upper surface serving as a supporting platform; the rail bearing table group is connected to the upper surface of the precast slab body and is used for installing rail components.
Further, the cross section of the precast slab body along the horizontal direction is in a right trapezoid shape; the first splicing surface forms a hypotenuse of a right trapezoid; the second splicing surface forms a right angle side of a right trapezoid; the outer end face and the inner end face respectively form an upper top edge and a lower bottom edge of the right trapezoid.
Further, the section of the precast slab body along the horizontal direction is isosceles trapezoid; the first splicing surface and the second splicing surface respectively form two isosceles sides of an isosceles trapezoid; the inner end face forms the upper top edge of an isosceles trapezoid; the outer end face forms the lower bottom edge of an isosceles trapezoid.
Further, the upper surface of the precast slab body is a parallel surface which is horizontally arranged, or the upper surface is an inclined surface which gradually inclines upwards from the inner end surface to the outer end surface.
Further, the upper surface of the precast slab body is also provided with a mounting preformed hole group which is vertical to the upper surface and penetrates through the precast slab body, and the mounting preformed hole group is used for mounting the vibration isolator.
Further, the number of the rail bearing table groups is one and the rail bearing table groups are distributed at the middle position of the longitudinal direction of the precast slab body, and each rail bearing table group comprises two rail bearing tables which are distributed at intervals along the transverse direction of the precast slab body; the number of the installation preformed hole groups is one, each installation preformed hole group comprises two installation preformed holes, and the two installation preformed holes are respectively arranged at two ends of the rail bearing table group and are respectively close to the inner end face and the outer end face.
Further, the number of the rail bearing table groups is multiple, the multiple rail bearing table groups are sequentially arranged at intervals along the longitudinal direction of the precast slab body, each rail bearing table group comprises two rail bearing tables, and the two rail bearing tables are arranged at intervals along the transverse direction of the precast slab body; the installation preformed hole groups are arranged in one-to-one correspondence with the rail bearing table groups, each installation preformed hole group comprises two installation preformed holes, and the two installation preformed holes are respectively arranged at two ends of the rail bearing table groups which are correspondingly arranged and are respectively close to the inner end face and the outer end face; or the rail bearing table sets are even-numbered sets, the number of the installation preformed hole sets is half of the number of the rail bearing table sets, the installation preformed hole sets are arranged between every two adjacent rail bearing table sets, each installation preformed hole set comprises two installation preformed holes, the two installation preformed holes are distributed along the transverse interval of the precast slab body, and the two installation preformed holes are respectively close to the inner end face and the outer end face which are correspondingly arranged.
Further, the connecting assembly further comprises an upper shear hinge, each vertex angle of the upper surface of the precast slab body is respectively provided with a first shear hinge mounting hole which is concave, and the first shear hinge mounting holes are used for being matched with the first shear hinge mounting holes on the adjacent precast slab bodies to mount the upper shear hinge; and/or the connecting component further comprises side-mounted shear hinges, two ends of the inner end face and the outer end face of the precast slab body are respectively provided with second inwards concave shear hinge mounting holes, and the second shear hinge mounting holes are used for being matched with the second shear hinge mounting holes on the adjacent precast slab bodies to mount the side-mounted shear hinges.
Further, the connecting assembly further comprises a connecting rod group; the two ends of the first splicing surface are respectively provided with an assembly preformed hole, the assembly preformed holes are vertical to the first splicing surface and penetrate through the precast slab body to be connected with the second splicing surface, and the assembly preformed holes are used for the corresponding connecting rod groups to penetrate through; the outer end face is also provided with a concave limiting device preformed hole, and the limiting device preformed hole is used for being abutted with a limiting device arranged on the outer side of the floating unit plate and used for resisting transverse vibration response of the floating unit plate, which is generated by centrifugal force generated by train operation, of the curve section.
The invention has the following beneficial effects:
compared with the common prefabricated floating slab in the prior art, the floating slab is formed by connecting a plurality of spliced floating slab unit blocks which are sequentially distributed along the extending direction of the track line through the connecting assembly, on one hand, compared with the common prefabricated floating slab, the floating slab unit block with smaller volume and weight is not limited by construction space and transportation and hoisting, and can be transported and hoisted more conveniently and more in a labor-saving manner; on the other hand, the floating unit plate is formed by sequentially splicing and connecting a plurality of floating unit plate blocks, so compared with the conventional prefabricated floating plate, the floating unit plate is generally 3.6-8 m, can be connected according to the length of an actual track line to form a floating unit plate with any length, has high use flexibility, is formed by sequentially splicing and connecting a plurality of floating unit plate blocks, has no connection gap between adjacent floating unit plate blocks, and has high driving safety and good vibration reduction effect; when the floating unit plates are connected to form the floating plate track bed section, compared with the existing common prefabricated floating plate, the floating unit plates can be connected to form any length by the floating unit blocks, so that the number of times of discontinuous occurrence of the plate end of the floating plate track bed section can be greatly reduced, the driving safety and the vibration reduction effect can be greatly improved, the service life of a track structure can be prolonged, the required maintenance times and the maintenance difficulty can be reduced, and the maintenance efficiency and the service efficiency of the floating plate track bed section can be improved; the floating unit plate can be connected by the floating unit plate unit blocks to form a linear floating unit plate extending along a straight line or a curve type floating unit plate with bending curvature, has high use flexibility, and is suitable for various construction sections and construction environments.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is an expanded view showing a first prefabricated panel body having a right trapezoid cross section according to a preferred embodiment of the present invention;
FIG. 2 is an expanded view of a second prefabricated panel body having a right trapezoid cross section according to a preferred embodiment of the present invention;
FIG. 3 is a straight floating cell plate formed by connecting prefabricated plate bodies having right trapezoid cross sections;
FIG. 4 is a graph floating cell plate formed by connecting prefabricated plate bodies having right trapezoid cross sections;
FIG. 5 is a schematic view showing the spatial structure of a third prefabricated panel body having a right trapezoid cross section;
FIG. 6 is a schematic view showing a space structure of a fourth prefabricated panel body having a right trapezoid cross section;
FIG. 7 is a schematic view showing a spatial structure of a fifth prefabricated panel body having a right trapezoid cross section;
FIG. 8 is an expanded view of a first prefabricated panel body having an isosceles trapezoid cross section according to a preferred embodiment of the present invention;
FIG. 9 is an expanded view of a second prefabricated panel body having an isosceles trapezoid cross section according to a preferred embodiment of the present invention;
FIG. 10 is a straight-line type floating unit panel formed by connecting prefabricated panel bodies having an isosceles trapezoid cross section;
FIG. 11 is a curved floating cell plate formed by connecting prefabricated plate bodies having an isosceles trapezoid cross section;
fig. 12 is a schematic view showing a spatial structure of a third prefabricated panel body having an isosceles trapezoid cross section.
Description of the drawings
10. A floating plate unit block; 101. a first splicing surface; 102. a second splicing surface; 103. an outer end surface; 104. an inner end surface; 105. an upper surface; 107. installing a preformed hole; 108. a first shear hinge mounting hole; 109. a second shear hinge mounting hole; 110. assembling a preformed hole; 111. the limiting device is provided with a preformed hole; 11. precast slab body; 12. a rail bearing table; 20. a connection assembly; 21. an upper shear hinge; 22. side-mounted shear hinges.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1 to 12, a preferred embodiment of the present invention provides a floating cell plate including: the floating slab comprises a plurality of floating slab unit blocks 10 and a connecting assembly 20, wherein the plurality of floating slab unit blocks 10 are sequentially distributed along the extending direction of the track line and are spliced and connected, and the connecting assembly 20 is used for connecting the plurality of floating slab unit blocks 10 to form a floating slab. The floating slab unit block 10 is provided with a first splicing surface 101 and a second splicing surface 102 which are oppositely arranged, the first splicing surface 101 and the second splicing surface 102 are arranged along the width direction of the floating slab unit, the first splicing surface 101 and the adjacent two side surfaces are obliquely arranged to form inclined surfaces, and the second splicing surface 102 and the adjacent two side surfaces are vertically arranged to form vertical surfaces or the second splicing surface 102 and the first splicing surface 101 are symmetrically arranged along the central line surface of the floating slab unit block 10. The first splicing surface 101 of the floating slab unit block 10 is spliced and connected with the first splicing surface 101 of the adjacent floating slab unit block 10 to form a linear floating slab extending along a straight line; and/or the first joint surface 101 of the floating slab cell block 10 is joined with the second joint surface 102 of the adjacent floating slab cell block 10 to form a curved floating slab having a curvature.
Compared with the common prefabricated floating slab in the prior art, the floating slab is formed by connecting a plurality of floating slab unit blocks 10 which are sequentially distributed along the extending direction of a track line and spliced and connected through the connecting assembly 20, on one hand, compared with the common prefabricated floating slab, the floating slab unit block 10 with smaller volume and weight is not limited by construction space and transportation and hoisting, and can be transported and hoisted more conveniently and more in a labor-saving manner; on the other hand, because the floating unit plate is formed by sequentially splicing and connecting a plurality of floating unit plate blocks 10, compared with the conventional common prefabricated floating plate, the floating unit plate is generally 3.6-8 m, can be connected according to the length of an actual track line to form a floating unit plate with any length, has high use flexibility, and is formed by sequentially splicing and connecting a plurality of floating unit plate blocks 10, no connection gap exists between adjacent floating unit plate blocks 10, so that the running safety is high, and the vibration reduction effect is good; when the floating unit plates are connected to form the floating plate ballast bed section, compared with the existing common prefabricated floating plate connected to form the floating plate ballast bed section, the floating unit plates can be connected by the floating plate unit blocks 10 to form any length, so that the number of times of discontinuous occurrence of the plate end of the floating plate ballast bed section can be greatly reduced, the driving safety and the vibration reduction effect can be greatly improved, the service life of a track structure can be prolonged, the required maintenance times and the maintenance difficulty can be reduced, and the maintenance efficiency and the service efficiency of the floating plate ballast bed section can be improved; as shown in fig. 3, 4, 10 and 11, the floating unit plate of the present invention can be formed by connecting the floating unit blocks 10 to form a linear floating unit plate extending along a straight line or a curved floating unit plate having a curved curvature, and the floating unit plate has high flexibility in use and is suitable for various construction areas and construction environments.
Alternatively, as shown in fig. 3 to 7 and 10 to 12, the floating slab unit 10 includes a prefabricated slab 11 and a rail bearing table set. The first splicing surface 101 and the second splicing surface 102 are oppositely arranged on the prefabricated plate body 11, an outer end surface 103 and an inner end surface 104 which are oppositely arranged are respectively connected between the first splicing surface 101 and the second splicing surface 102, the first splicing surface 101, the outer end surface 103, the second splicing surface 102 and the inner end surface 104 form the peripheral side surfaces of the prefabricated plate body 11, and the prefabricated plate body 11 further comprises an upper surface 105 serving as a supporting platform. A rail bearing block for mounting rail members is attached to the upper surface 105 of the prefabricated panel body 11. Specifically, the precast slab 11 has a plurality of rows of reinforcement cages therein for carrying an upper load and resisting stress generated by shrinkage deformation of concrete due to temperature change. The rail bearing table group is used for installing rail components such as fasteners, steel rails and the like.
Alternatively, in the first embodiment of the present invention, as shown in fig. 1 and 2, the prefabricated panel body 11 has a right trapezoid shape in a cross section in a horizontal direction. The first splicing face 101 forms the hypotenuse of a right trapezoid. The second mating face 102 forms a right angle side of a right trapezoid. The outer end face 103 and the inner end face 104 form the upper and lower base edges, respectively, of a right trapezoid. In the first embodiment of the present invention, when the first splicing surface 101 of the adjacent first prefabricated panel body 11 is spliced with the first splicing surface 101 of the second prefabricated panel body 11, a linear floating unit panel extending along a straight line may be formed, as shown in fig. 3, and the end of the linear floating unit panel may be a right angle, so that the floating unit panel is assembled and connected with the adjacent floating unit panel; in the first embodiment of the present invention, when the first splicing surface 101 of the adjacent first prefabricated slab body 11 is spliced with the second splicing surface 102 of the second prefabricated slab body 11, a curved floating unit slab with curved curvature can be formed, as shown in fig. 4, and by setting the angle of the first splicing surface 101 obliquely crossing the adjacent two side surfaces, the curved curvature of the curved floating unit slab can be changed to adapt to the floating slab track bed section with any turning radius.
In the first embodiment of the present invention, for the floating unit boards in the curved section, when the rail foundation for installing and supporting the floating unit boards is not enough to be located at the outer side of the curve, the prefabricated board 11 may be further optimally designed to meet the requirement of the super high, that is, the upper surface 105 of the prefabricated board 11 is a parallel surface that is horizontally arranged, or the upper surface 105 is an inclined surface that gradually inclines upwards from the direction from the inner end surface 104 to the outer end surface 103, as shown in fig. 2, the requirement of any curve super high can be met by flexibly changing the inclination of the upper surface 105 of the prefabricated board 11 in the transverse direction, and the adjustment is flexible and reliable.
Further, in the first embodiment of the present invention, the upper surface 105 of the prefabricated panel 11 is further provided with a set of mounting preformed holes that are perpendicular to the upper surface 105 and penetrate through the prefabricated panel 11. The installation preformed hole group is used for installing the vibration isolator for vibration isolation and noise reduction.
Preferably, in the second embodiment of the first embodiment of the present invention, as shown in fig. 5, the number of rail bearing sets is one and is arranged at a central position in the longitudinal direction of the prefabricated slab 11, the rail bearing sets include two rail bearing tables 12, and the two rail bearing tables 12 are arranged at intervals along the transverse direction of the prefabricated slab 11. The number of the installation preformed hole groups is one, the installation preformed hole groups comprise two installation preformed holes 107, the two installation preformed holes 107 are respectively arranged at two ends of the rail bearing table groups and are respectively close to the inner end face 104 and the outer end face 103, namely, the two installation preformed holes 107 are respectively arranged at the outer sides of the two rail bearing tables 12 of the corresponding rail bearing table groups and are respectively close to the corresponding inner end face 104 or the corresponding outer end face 103. When the length of the prefabricated plate 11 along the longitudinal direction is shorter, the number of the upper rail bearing table groups and the number of the installation preformed hole groups are respectively one group, and the number of the rail bearing table groups and the number of each group, the number of the installation preformed hole groups and the number of each group are all used for forming uniform and symmetrical structural arrangement on the prefabricated plate 11 as much as possible, so that the prefabricated plate 11 is stressed uniformly, the driving safety and stability are further enhanced, and the vibration reduction effect and the service life of the prefabricated plate are improved. Further, for the prefabricated unit panels composed of the prefabricated panel unit blocks, the number and arrangement of the groups of the installation preformed holes should satisfy: after assembly, the rail bearing table and the mounting reserved holes along the longitudinal direction of the rail are uniformly and equidistantly distributed.
Preferably, in the third embodiment of the first embodiment of the present invention, as shown in fig. 6, the number of the rail bearing table sets is multiple, and the multiple rail bearing table sets are sequentially arranged at intervals along the longitudinal direction of the prefabricated slab 11, and each rail bearing table set includes two rail bearing tables 12, and the two rail bearing tables 12 are arranged along the transverse direction of the prefabricated slab 11 at intervals. The installation preformed hole groups are arranged in one-to-one correspondence with the rail bearing table groups, each installation preformed hole group comprises two installation preformed holes 107, the two installation preformed holes 107 are respectively arranged at two ends of the corresponding rail bearing table groups and are respectively close to the inner end face 104 and the outer end face 103, namely, the two installation preformed holes 107 are respectively arranged at the outer sides of the two rail bearing tables 12 of the corresponding rail bearing table groups and are respectively close to the corresponding inner end face 104 or the corresponding outer end face 103. When the length of the prefabricated plate 11 along the longitudinal direction is longer, the number of the upper rail bearing table groups and the number of the installation reserved hole groups are respectively multiple groups, and the number of the rail bearing table groups and the number of each group, the number of the installation reserved hole groups and the number of each group are all used for forming uniform and symmetrical structural arrangement on the prefabricated plate 11 as much as possible, so that the prefabricated plate 11 is stressed uniformly, the driving safety and stability are further enhanced, the vibration reduction effect is improved, and the noise is reduced.
Preferably, in the fourth embodiment of the first embodiment of the present invention, as shown in fig. 7, the number of the rail bearing table sets is plural and even, and plural rail bearing table sets are sequentially arranged at intervals in the longitudinal direction of the prefabricated slab 11, each rail bearing table set includes two rail bearing tables 12, and the two rail bearing tables 12 are arranged at intervals in the transverse direction of the prefabricated slab 11. The number of the installation preformed hole groups is half of that of the rail bearing table groups, the installation preformed hole groups are arranged between every two adjacent rail bearing table groups, each installation preformed hole group comprises two installation preformed holes 107, the two installation preformed holes 107 are distributed along the transverse interval of the prefabricated plate 11, and the two installation preformed holes 107 are respectively close to the inner end face 104 and the outer end face 103 which are correspondingly arranged. When the length of the prefabricated plate 11 along the longitudinal direction is longer, the number of the upper rail bearing table groups and the number of the installation reserved hole groups are multiple groups and even respectively, and the number of the rail bearing table groups and the number of the installation reserved hole groups are all used for forming uniform and symmetrical structure settings on the prefabricated plate 11 as much as possible so as to lead the prefabricated plate 11 to be stressed uniformly, further enhance the driving safety and stability, improve the vibration reduction effect and reduce the formation noise. Compared with the fourth embodiment of the first embodiment of the invention, when the number of groups of the bearing rail table groups is the same, the third embodiment of the invention has more groups of the installation preformed hole groups than the fourth embodiment, so that an encrypted plate type is formed, and the application environment is on the transition section from the common ballastless track to the floating slab track.
Alternatively, in the second embodiment of the present invention, as shown in fig. 8 and 9, the prefabricated panel body 11 has a cross section in the horizontal direction in the form of an isosceles trapezoid. The first splicing face 101 and the second splicing face 102 respectively constitute two isosceles sides of an isosceles trapezoid. The inner end surface 104 forms the upper top edge of an isosceles trapezoid. The outer end surface 103 forms the lower base of an isosceles trapezoid. In the second embodiment of the present invention, when the first splicing surface 101 of the adjacent first prefabricated panel body 11 is spliced with the first splicing surface 101 of the second prefabricated panel body 11, a linear floating unit panel extending along a straight line may be formed, as shown in fig. 10, and the end of the linear floating unit panel may be a right angle, so that the floating unit panel is assembled with the adjacent floating unit panel; in the second embodiment of the present invention, when the first splicing surface 101 of the adjacent first prefabricated slab body 11 is spliced with the second splicing surface 102 of the second prefabricated slab body 11, a curved floating slab with curved curvature can be formed, as shown in fig. 11, and by setting the included angle between the first splicing surface 101 and the transverse direction of the floating slab, the curved curvature of the curved floating slab can be changed to adapt to the floating slab track bed section with any turning radius.
In the first embodiment of the second embodiment of the present invention, for the floating unit boards in the curved section, when the rail foundation for installing and supporting the floating unit boards is not enough to be located at the outer side of the curve, the prefabricated board 11 may be further optimally designed to meet the requirement of the super high, that is, the upper surface 105 of the prefabricated board 11 is a parallel surface horizontally arranged, or the upper surface 105 is an inclined surface gradually inclined upwards from the direction from the inner end surface 104 to the outer end surface 103, as shown in fig. 2, the requirement of any curve super high can be met by flexibly changing the inclination of the upper surface 105 of the prefabricated board 11 in the transverse direction, and the adjustment is flexible and reliable.
Further, in the second embodiment of the present invention, the upper surface 105 of the prefabricated panel 11 is further provided with a set of mounting preformed holes penetrating the prefabricated panel 11 through the vertical upper surface 105. The installation preformed hole group is used for installing the vibration isolator for vibration isolation and noise reduction.
Preferably, in the second embodiment of the present invention, not shown, the number of the rail bearing table sets is one and is arranged at the middle position of the longitudinal direction of the prefabricated slab 11, the rail bearing table sets include two rail bearing tables 12, and the two rail bearing tables 12 are arranged at intervals along the transverse direction of the prefabricated slab 11. The number of the installation preformed hole groups is one, the installation preformed hole groups comprise two installation preformed holes 107, the two installation preformed holes 107 are respectively arranged at two ends of the rail bearing table groups and are respectively close to the inner end face 104 and the outer end face 103, namely, the two installation preformed holes 107 are respectively arranged at the outer sides of the two rail bearing tables 12 of the corresponding rail bearing table groups and are respectively close to the corresponding inner end face 104 or the corresponding outer end face 103. When the length of the prefabricated plate 11 along the longitudinal direction is shorter, the number of the upper rail bearing table groups and the number of the installation reserved hole groups are respectively one group, and the number of the rail bearing table groups and the number of each group, the number of the installation reserved hole groups and the number of each group are all used for forming uniform and symmetrical structural arrangement on the prefabricated plate 11 as much as possible so as to ensure that the prefabricated plate 11 is stressed uniformly, further enhance the driving safety and stability and improve the vibration reduction effect.
Preferably, in the third embodiment of the second embodiment of the present invention, as shown in fig. 12, the number of the rail bearing table sets is multiple, and the multiple rail bearing table sets are sequentially arranged at intervals along the longitudinal direction of the prefabricated slab 11, and each rail bearing table set includes two rail bearing tables 12, and the two rail bearing tables 12 are arranged along the transverse direction of the prefabricated slab 11 at intervals. The installation preformed hole groups are arranged in one-to-one correspondence with the rail bearing table groups, each installation preformed hole group comprises two installation preformed holes 107, the two installation preformed holes 107 are respectively arranged at two ends of the corresponding rail bearing table groups and are respectively close to the inner end face 104 and the outer end face 103, namely, the two installation preformed holes 107 are respectively arranged at the outer sides of the two rail bearing tables 12 of the corresponding rail bearing table groups and are respectively close to the corresponding inner end face 104 or the corresponding outer end face 103. When the length of the prefabricated plate 11 along the longitudinal direction is longer, the number of the upper rail bearing table groups and the number of the installation reserved hole groups are respectively multiple groups, and the number of the rail bearing table groups and the number of each group, the number of the installation reserved hole groups and the number of each group are all used for forming uniform and symmetrical structural arrangement on the prefabricated plate 11 as much as possible, so that the prefabricated plate 11 is stressed uniformly, the driving safety and stability are further enhanced, the vibration reduction effect is improved, and the noise is reduced.
Preferably, in the fourth embodiment of the second embodiment of the present invention, not shown, the number of the rail bearing table sets is plural and even, and plural rail bearing table sets are sequentially arranged at intervals in the longitudinal direction of the prefabricated slab 11, each rail bearing table set includes two rail bearing tables 12, and the two rail bearing tables 12 are arranged at intervals in the transverse direction of the prefabricated slab 11. The number of the installation preformed hole groups is half of that of the rail bearing table groups, the installation preformed hole groups are arranged between every two adjacent rail bearing table groups, each installation preformed hole group comprises two installation preformed holes 107, the two installation preformed holes 107 are distributed along the transverse interval of the prefabricated plate 11, and the two installation preformed holes 107 are respectively close to the inner end face 104 and the outer end face 103 which are correspondingly arranged. When the length of the prefabricated plate 11 along the longitudinal direction is longer, the number of the upper rail bearing table groups and the number of the installation reserved hole groups are multiple groups and even respectively, and the number of the rail bearing table groups and the number of the installation reserved hole groups are all used for forming uniform and symmetrical structure settings on the prefabricated plate 11 as much as possible so as to lead the prefabricated plate 11 to be stressed uniformly, further enhance the driving safety and stability, improve the vibration reduction effect and reduce the formation noise. Compared with the fourth embodiment of the second embodiment of the invention, when the number of groups of the bearing rail table groups is the same, the third embodiment of the invention has more groups of the mounting reserved hole groups than the fourth embodiment, thereby forming an encryption plate type and enhancing the rigidity of the rail so as to improve the driving safety and stability.
Optionally, in the first and second embodiments of the present invention, as shown in fig. 3-7 and 10-12, the connection assembly 20 further includes an upper shear hinge 21. Each vertex angle of the upper surface 105 of the precast slab 11 is respectively provided with a first shear hinge mounting hole 108 which is concave, and the first shear hinge mounting holes 108 are used for being matched with the first shear hinge mounting holes 108 on the adjacent precast slab 11 to mount upper-type shear hinges. And/or the connection assembly 20 further comprises a side-mounted shear hinge 22, wherein both ends of the inner end surface 104 and the outer end surface 103 of the prefabricated panel body 11 are respectively provided with a second inwards concave shear hinge mounting hole 109, and the second shear hinge mounting holes 109 are used for being matched with the second shear hinge mounting holes 109 on the adjacent prefabricated panel body 11 to mount the side-mounted shear hinge 22. The adjacent precast slabs 11 are connected through the upper shearing hinges 21 and/or the side shearing hinges 22, so that a plurality of floating slab unit blocks 10 can be detachably connected to form a floating slab, and the connection mode is simple and easy to implement. Specifically, the upper shear hinge 21 and the side shear hinge 22 are conventional shear hinges commonly used in the engineering field.
Further, in the first and second embodiments of the present invention, as shown in fig. 5-7 and 12, the connecting assembly 20 further includes a connecting rod set (not shown). The two ends of the first splicing surface 101 are respectively provided with an assembly preformed hole 110, the assembly preformed holes 110 are perpendicular to the first splicing surface 101 and penetrate through the prefabricated plate body 11 to be connected with the second splicing surface 102, and the assembly preformed holes 110 are used for allowing corresponding connecting rod groups to penetrate through. The assembling preformed holes 110 of the floating slab unit blocks 10 are sequentially penetrated through the connecting rod groups so as to detachably connect the floating slab unit blocks 10 to form a floating slab, so that the connection strength between the floating slab unit blocks 10 is further enhanced, and the stability of the floating slab unit block structure and the support is further enhanced.
Preferably, in the first embodiment and the second embodiment of the present invention, as shown in fig. 5 to 7 and fig. 12, the outer end surface 103 is further provided with a concave retaining device preformed hole 111, and the retaining device preformed hole 111 is used for abutting against a retaining device (not shown) disposed on the outer side of the floating unit plate, so as to resist transverse vibration response of the floating unit plate generated by centrifugal force generated by running of a train in a curve section, improve driving safety of the floating unit plate in the curve section, and further, in order to make the curve track structure more stable, the inner end surface is also provided with a retaining device preformed hole 111, and the retaining device preformed hole 111 on the inner end surface abuts against a retaining device disposed on the inner side.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A floating cell plate, comprising:
a plurality of floating slab unit blocks (10) and a connecting assembly (20), wherein the plurality of floating slab unit blocks (10) are sequentially distributed along the extending direction of the track line and are spliced and connected, and the connecting assembly (20) is used for connecting the plurality of floating slab unit blocks (10) to form the floating slab;
the floating slab unit block (10) is provided with a first splicing surface (101) and a second splicing surface (102) which are oppositely arranged, the first splicing surface (101) and the second splicing surface (102) are arranged along the width direction of the floating slab unit, the first splicing surface (101) and the adjacent two side surfaces are obliquely arranged to form inclined surfaces, the second splicing surface (102) and the adjacent two side surfaces are vertically arranged to form vertical surfaces or the second splicing surface (102) and the first splicing surface (101) are symmetrically arranged along the central line surface of the floating slab unit block (10);
the first splicing surfaces (101) of the floating slab unit blocks (10) are spliced and connected with the first splicing surfaces (101) of the adjacent floating slab unit blocks (10) to form linear floating unit plates extending along a straight line; and/or
The first splicing surface (101) of the floating slab unit block (10) is spliced and connected with the second splicing surface (102) of the adjacent floating slab unit block (10) to form a curve-type floating slab unit with bending curvature;
the floating slab unit block (10) comprises a precast slab body (11) and a rail bearing table group; the first splicing surface (101) and the second splicing surface (102) are oppositely arranged on the precast slab body (11), an outer end surface (103) and an inner end surface (104) which are oppositely arranged are respectively connected between the first splicing surface (101) and the second splicing surface (102), the first splicing surface (101), the outer end surface (103), the second splicing surface (102) and the inner end surface (104) form the peripheral side surfaces of the precast slab body (11), and the precast slab body (11) further comprises an upper surface (105) serving as a supporting platform;
the section of the precast slab body (11) along the horizontal direction is in a right trapezoid shape; the first splicing surface (101) forms the hypotenuse of the right trapezoid; the second splicing surface (102) forms a right angle side of the right trapezoid; the outer end face (103) and the inner end face (104) respectively form an upper top edge and a lower bottom edge of the right trapezoid;
the connection assembly (20) further comprises a set of connection rods; the two ends of the first splicing surface (101) are respectively provided with an assembly preformed hole (110), the assembly preformed holes (110) are perpendicular to the first splicing surface (101) and penetrate through the precast slab body (11) to be connected with the second splicing surface (102), and the assembly preformed holes (110) are used for the corresponding connecting rod groups to penetrate through; the outer end face (103) is also provided with a concave limiting device preformed hole (111), and the limiting device preformed hole (111) is used for being abutted with a limiting device arranged on the outer side of the floating unit plate and used for resisting transverse vibration response of the floating unit plate, which is generated by centrifugal force generated by train operation, of a curve section.
2. The floating cell plate of claim 1, wherein,
the rail bearing table set is connected to the upper surface (105) of the precast slab body (11) and is used for installing rail components.
3. The floating cell plate of claim 2, wherein,
the section of the precast slab body (11) along the horizontal direction is isosceles trapezoid;
the first splicing surface (101) and the second splicing surface (102) respectively form two isosceles sides of the isosceles trapezoid;
the inner end face (104) forms an upper top edge of the isosceles trapezoid;
the outer end face (103) forms the lower base of the isosceles trapezoid.
4. The floating cell plate of claim 2, wherein,
the upper surface (105) of the precast slab body (11) is a parallel surface which is horizontally arranged, or the upper surface (105) is an inclined surface which gradually inclines upwards from the inner end surface (104) to the outer end surface (103).
5. The floating cell plate of claim 2, wherein,
the upper surface (105) of the precast slab body (11) is also provided with a mounting preformed hole group which is perpendicular to the upper surface (105) and penetrates through the precast slab body (11), and the mounting preformed hole group is used for mounting the vibration isolator.
6. The floating cell plate of claim 5, wherein,
the number of the rail bearing table groups is one, the rail bearing table groups are arranged at the middle position of the longitudinal direction of the precast slab body (11), each rail bearing table group comprises two rail bearing tables (12), and the two rail bearing tables (12) are arranged at intervals along the transverse direction of the precast slab body (11);
the number of the installation preformed hole groups is one, each installation preformed hole group comprises two installation preformed holes (107), and the two installation preformed holes (107) are respectively arranged at two ends of the rail bearing table group and are respectively close to the inner end face (104) and the outer end face (103).
7. The floating cell plate of claim 5, wherein,
the number of the rail bearing table groups is multiple, the multiple rail bearing table groups are sequentially arranged at intervals along the longitudinal direction of the precast slab body (11), each rail bearing table group comprises two rail bearing tables (12), and the two rail bearing tables (12) are arranged along the transverse interval of the precast slab body (11);
the installation preformed hole groups are arranged in one-to-one correspondence with the rail bearing table groups, each installation preformed hole group comprises two installation preformed holes (107), and the two installation preformed holes (107) are respectively arranged at two ends of the rail bearing table groups which are correspondingly arranged and are respectively close to the inner end face (104) and the outer end face (103); or alternatively
The rail bearing table sets are even-numbered sets, the number of the mounting reserved hole sets is half of the number of the rail bearing table sets, the mounting reserved hole sets are arranged between every two adjacent rail bearing table sets, each mounting reserved hole set comprises two mounting reserved holes (107), the two mounting reserved holes (107) are distributed along the transverse interval of the prefabricated plate body (11), and the two mounting reserved holes (107) are respectively close to the inner end face (104) and the outer end face (103) which are correspondingly arranged.
8. The floating cell plate of claim 2, wherein,
the connecting assembly (20) further comprises upper-mounted shear hinges (21), each vertex angle of the upper surface (105) of the precast slab body (11) is respectively provided with a first shear hinge mounting hole (108) which is concave, and the first shear hinge mounting holes (108) are used for being matched with the first shear hinge mounting holes (108) on the adjacent precast slab body (11) to mount the upper-mounted shear hinges; and/or
The connecting assembly (20) further comprises side-mounted shear hinges (22), second shear hinge mounting holes (109) which are concave are respectively formed in the two ends of the inner end face (104) and the outer end face (103) of the prefabricated plate body (11), and the second shear hinge mounting holes (109) are used for being matched with the second shear hinge mounting holes (109) on the adjacent prefabricated plate body (11) to mount the side-mounted shear hinges (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065441.5A CN111155363B (en) | 2020-01-20 | 2020-01-20 | Floating unit plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065441.5A CN111155363B (en) | 2020-01-20 | 2020-01-20 | Floating unit plate |
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| Publication Number | Publication Date |
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| CN111155363A CN111155363A (en) | 2020-05-15 |
| CN111155363B true CN111155363B (en) | 2024-04-12 |
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| CN202010065441.5A Active CN111155363B (en) | 2020-01-20 | 2020-01-20 | Floating unit plate |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112523012A (en) * | 2020-12-29 | 2021-03-19 | 北京九州一轨环境科技股份有限公司 | Prefabricated vibration-damping ballast bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07216802A (en) * | 1994-01-28 | 1995-08-15 | Toshiba Corp | Ground coil fixing method |
| WO2009151193A1 (en) * | 2008-06-13 | 2009-12-17 | Korea Railroad Research Inttitute | Vibration proof apparatus of floating track |
| KR101158466B1 (en) * | 2011-06-15 | 2012-06-20 | 강남훈 | Easily replaceable track block having three dimensions solid shape and method for manufacturing the same, method for laying concrete track and method for laying track of automated guideway type light rail transit using the same track block |
| CN102926294A (en) * | 2012-11-13 | 2013-02-13 | 北京九州一轨隔振技术有限公司 | Novel precast slab assembled floating track bed |
| CN206144096U (en) * | 2016-08-31 | 2017-05-03 | 温州润德模具有限公司 | Assemble plastics suspension floor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207311779U (en) * | 2017-07-18 | 2018-05-04 | 淮南阳光浮体科技有限公司 | Photovoltaic bearing floating body |
-
2020
- 2020-01-20 CN CN202010065441.5A patent/CN111155363B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07216802A (en) * | 1994-01-28 | 1995-08-15 | Toshiba Corp | Ground coil fixing method |
| WO2009151193A1 (en) * | 2008-06-13 | 2009-12-17 | Korea Railroad Research Inttitute | Vibration proof apparatus of floating track |
| KR101158466B1 (en) * | 2011-06-15 | 2012-06-20 | 강남훈 | Easily replaceable track block having three dimensions solid shape and method for manufacturing the same, method for laying concrete track and method for laying track of automated guideway type light rail transit using the same track block |
| CN102926294A (en) * | 2012-11-13 | 2013-02-13 | 北京九州一轨隔振技术有限公司 | Novel precast slab assembled floating track bed |
| CN206144096U (en) * | 2016-08-31 | 2017-05-03 | 温州润德模具有限公司 | Assemble plastics suspension floor |
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