CN217174203U - Steel spring floating slab track bed middle reserved groove die - Google Patents
Steel spring floating slab track bed middle reserved groove die Download PDFInfo
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- CN217174203U CN217174203U CN202220415101.5U CN202220415101U CN217174203U CN 217174203 U CN217174203 U CN 217174203U CN 202220415101 U CN202220415101 U CN 202220415101U CN 217174203 U CN217174203 U CN 217174203U
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- track bed
- steel spring
- floating slab
- spring floating
- slab track
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Abstract
The utility model discloses a recess mould is reserved in the middle of steel spring floating slab track bed relates to steel spring floating slab track bed concrete construction field, the utility model discloses simple structure, the utility model discloses novel structure, through the concatenation of horizontal locating part and vertical locating part in the mould, control the outline size of mould and with the distance between the rail, and then control groove linearity, can reserve the recess of suitable size in the middle of the track bed, guaranteed simultaneously that groove part concrete surface's linearity is smooth-going smooth, the fixed quality piece of follow-up construction installation in the recess of being convenient for, the utility model provides a technique of reserving the recess in the middle of the non-linear steel spring floating slab track bed type blank, and the mould can reuse, reduced the waste of manual work and material, reduce cost and improvement efficiency of construction.
Description
Technical Field
The utility model relates to a steel spring floating slab track bed concrete construction field specifically is a recess mould is reserved in the middle of steel spring floating slab track bed.
Background
In urban rail construction, the steel spring floating slab integral ballast bed is generally adopted to achieve the effects of vibration reduction and noise reduction in the rail range with higher environmental evaluation requirements. Residences covered on XX road sections of subways in a certain city are located in the ecological city range, and the standard requirements of the samsung residences are met in the area range according to the requirements of construction project planning design points (3202112020B0001) of the ecological city area. According to the 'XX road vehicle section upper cover property system vibration reduction scientific research analysis report', the vibration reduction effect of the traditional steel spring floating slab cannot meet the requirement through testing, so that a track design unit provides a newly increased track vibration reduction design change scheme for the vehicle section of the XX road section of the subway, and a novel nonlinear steel spring floating slab track and a vibration reduction system are adopted for construction.
The construction principle of the non-linear steel spring floating slab track and the damping system is as follows: based on the nonlinear damping vibration isolation technology and the dynamic vibration absorption technology, the nonlinear floating plate track system and parts thereof are researched and developed by a method of combining theoretical analysis, numerical simulation and full-scale track test, and research shows that: the nonlinear damping, dynamic vibration absorber and nonlinear floating plate system have better vibration control function on the support reaction force of the vibration isolator near the first-order natural frequency of the floating plate, the vibration acceleration of the floating plate and the frequency division vibration level of the tunnel wall, wherein the vibration reduction effect of the nonlinear floating plate system (the combination of the nonlinear damping vibration isolator and the dynamic vibration absorber) is most obvious (the low-frequency vibration reduction effect is obvious), and the nonlinear floating plate track system can better inhibit the vibration amplification problem of the dynamic vibration absorber when the dynamic vibration absorber deviates from the design frequency; the vibration acceleration of the dynamic vibration absorber is larger than that of the floating plate, and the displacements of the dynamic vibration absorber and the floating plate are basically equivalent, so that the dynamic vibration absorber can better absorb the vibration of the floating plate track without generating larger relative displacement, and the running safety of a train is ensured.
In the actual construction process, a groove for installing a mass block needs to be reserved in the middle of the ballast bed, the shape of the groove is limited to a certain extent, but the technical blank exists in the manner that the groove is reserved in the middle of the nonlinear steel spring floating slab ballast bed in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a groove mould is reserved in the middle of steel spring floating slab track bed, through adopting design template control recess linearity, guarantees that the track bed surface is smooth-going, smooth simultaneously to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a recess mould is reserved in middle of steel spring floating slab track bed, includes:
the transverse limiting piece is used for limiting the width and the depth dimension of the reserved groove;
the longitudinal limiting piece is used for supporting the transverse limiting pieces and limiting the spacing distance between any two adjacent transverse limiting pieces;
and the fixing piece is used for limiting the relative displacement of the transverse limiting piece and the longitudinal limiting piece.
As a further aspect of the present invention: the longitudinal limiting piece is perpendicular to the transverse limiting piece, and the transverse limiting piece is erected on the longitudinal limiting piece.
As a further aspect of the present invention: the transverse limiting piece is matched and connected with the bottom of the steel rail through the cast iron pressing plate and the fastening piece, so that the groove die is fixed with the steel rail conveniently, and the position of the groove die is limited.
As a further aspect of the present invention: the fixture includes a heavy-duty G-clip.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses novel structure, through the concatenation of horizontal locating part and vertical locating part in the mould, control mould's outline size and with the distance between the rail, and then the control groove is linear, can reserve the recess of suitable size in the middle of the ballast bed, guaranteed simultaneously that groove part concrete surface's linear smooth-going is smooth, the fixed quality piece of follow-up construction installation in the recess of being convenient for, the utility model provides a technique of reserving the recess in the middle of the non-linear steel spring floating slab ballast bed type is blank, and the mould can reuse, has reduced the waste of manual work and material, reduce cost and improvement efficiency of construction.
Drawings
FIG. 1 is a schematic structural view of a groove mold and a track bed in a relative position relationship;
FIG. 2 is a schematic view of a groove mold and a rail;
10-groove die, 11-drainage ditch, 12-steel rail, 13-substrate, 14-transverse limiting piece, 15-longitudinal limiting piece, 16-fixing piece, 17-cast iron pressing plate and 18-track bed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides an in, a groove mould is reserved in middle of steel spring floating slab track bed 18, including horizontal locating part 14 and vertical locating part 15 and the mounting 16 of connecting horizontal locating part 14 and vertical locating part 15, horizontal locating part 14 is used for injecing the width and the degree of depth size of reservation groove, vertical locating part 15 is used for supporting horizontal locating part 14 and injecing the spacing distance of two arbitrary adjacent horizontal locating parts 14, mounting 16 is used for injecing the relative displacement of horizontal locating part 14 and vertical locating part 15, makes horizontal locating part 14 and vertical locating part 15 fixed mutually.
The utility model provides a horizontal locating part 14 and vertical locating part 15 adopt the square steel to make, the single length of vertical locating part 15 can be for but not only be limited to 2000mm, the single length of horizontal locating part 14 can be for but not only be limited to 1400mm, vertical locating part 15 is perpendicular with horizontal locating part 14, horizontal locating part 14 erects on vertical locating part 15, horizontal locating part 14 links to each other with the fastener cooperation through cast iron clamp plate 17 with rail 12 bottom. When assembling the transverse limit piece 14, the longitudinal limit piece 15 and the fixing piece 16 with the steel rail 12, the elevation and the direction of the square steel are strictly controlled, and the method particularly comprises the following steps: the distance from the bottom of the longitudinal stop 15 to the height of the top surface of the rail 12 and the distance from one side of the lateral stop 14 to the other. During construction, the concrete controls the size of the groove according to the outer contour of the square steel, and the type of the ballast bed 18 required by design is reserved.
The transverse limiting part 14 is connected with the bottom of the steel rail 12 through the cast iron pressing plate 17 in a matched mode, the cast iron pressing plate 17, the screw and the matched nut are used together, the effect is that the transverse square steel and the bottom of the steel rail 12 are connected, therefore, the die is fixed on the rail, the die cannot be easily displaced during construction, and the size of the groove reserved by the die is more accurate.
The fixing member 16 includes a heavy G-shaped clip for connecting and fixing the transverse limiting member 14 and the longitudinal limiting member 15.
And a groove reserved in the ballast bed 18 through the groove mold is provided with a mass block for increasing the overall weight of the ballast bed 18 so as to achieve the effects of vibration reduction and noise reduction. In the actual construction process, the ballast bed 18 is cast by concrete, the mold is removed, a groove is reserved for molding, and the mass block is placed in the groove.
The utility model discloses novel structure, the operation is stable, the utility model discloses when using, through horizontal locating part 14 in the mould and vertical locating part 15's concatenation, control mould's outline size and with rail 12 between the distance, and then the control groove is linear, can reserve the recess of suitable size in the middle of ballast bed 18, guaranteed simultaneously that groove part concrete surface's linear smooth-going is smooth, the fixed quality piece of follow-up construction installation in the recess of being convenient for, the utility model provides a technical blank of reserving the recess in the middle of nonlinear steel spring floating slab ballast bed 18 type, and the mould can reuse, reduced the waste of manual work and material, reduce cost and improvement efficiency of construction.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a recess mould is reserved in middle of steel spring floating slab track bed which characterized in that includes:
the transverse limiting piece is used for limiting the width and the depth dimension of the reserved groove;
the longitudinal limiting piece is used for supporting the transverse limiting pieces and limiting the spacing distance between any two adjacent transverse limiting pieces;
and the fixing piece is used for limiting the relative displacement of the transverse limiting piece and the longitudinal limiting piece.
2. The middle pre-groove mold of a steel spring floating slab track bed according to claim 1, wherein the longitudinal limiting member is perpendicular to the transverse limiting member, and the transverse limiting member is erected on the longitudinal limiting member.
3. The middle preformed groove die of the steel spring floating slab track bed according to claim 1, wherein the transverse limiting piece and the bottom of the steel rail are connected with a fastener in a matched mode through a cast iron pressing plate.
4. The steel spring floating slab track bed middle pre-groove die as claimed in claim 1, wherein the fixing member comprises a heavy G-shaped clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415101.5U CN217174203U (en) | 2022-02-25 | 2022-02-25 | Steel spring floating slab track bed middle reserved groove die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220415101.5U CN217174203U (en) | 2022-02-25 | 2022-02-25 | Steel spring floating slab track bed middle reserved groove die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217174203U true CN217174203U (en) | 2022-08-12 |
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ID=82739908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220415101.5U Active CN217174203U (en) | 2022-02-25 | 2022-02-25 | Steel spring floating slab track bed middle reserved groove die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217174203U (en) |
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2022
- 2022-02-25 CN CN202220415101.5U patent/CN217174203U/en active Active
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