CN209759902U - 8-shaped prefabricated track slab suitable for urban rail transit construction requirements - Google Patents
8-shaped prefabricated track slab suitable for urban rail transit construction requirements Download PDFInfo
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- CN209759902U CN209759902U CN201920235405.1U CN201920235405U CN209759902U CN 209759902 U CN209759902 U CN 209759902U CN 201920235405 U CN201920235405 U CN 201920235405U CN 209759902 U CN209759902 U CN 209759902U
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Abstract
The utility model discloses a prefabricated track board of 8 types suitable for urban rail transit construction demands. The concrete track slab comprises an 8-shaped track slab body, mainly comprising poured concrete and track slab reinforcing bars arranged in the concrete, wherein one to three rectangular through grooves are formed in the middle of the track slab body along the track laying direction, two notch grooves are formed in two ends of the track slab body respectively, and a road core cover plate or a balancing weight is arranged in each rectangular through groove; the upper surface is provided with rail bearing platforms at equal intervals along the track laying direction; the side is equipped with embedded sleeve, and embedded sleeve includes the embedded sleeve of inner frame outside limit side, the embedded sleeve of inner frame inside limit side, the embedded sleeve of outer frame inside limit side and the embedded sleeve in track board surface respectively. The utility model discloses the structure is reliable, the interface is complete, the suitability is strong, can realize the batch production prefabrication, and effective control track structure quality can ensure construction high efficiency, high accuracy, high quality and maintenance convenience, is applied to the sensitive point protection district section of no damping district section or different damping demands.
Description
Technical Field
The utility model belongs to the technical field of the ballastless track, concretely relates to prefabricated track board of 8 types suitable for urban rail transit construction demands.
Background
At present, the urban rail transit ballast bed structure in China mostly adopts cast-in-place concrete to pour, however, the prefabricated track slab is gradually applied to urban rail transit project construction because of the characteristics of factory prefabrication, controllable quality of the prominent ballast bed structure, high construction efficiency, high precision, high quality, convenience in maintenance and repair and the like, and is particularly applied to the integral ballast bed structure with high-performance vibration reduction requirement at first. Therefore, the development of the novel prefabricated track structure engineering is significant.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the background art, the utility model provides a prefabricated track board of 8 types suitable for urban rail transit construction demands can be applicable to the different load conditions of urban rail transit environment, compromise prestressing force or non-prestressing force structural system, match AC supply or DC supply system, each type fastener of installation present stage universal adoption, satisfy the sparse functional demand of ballast bed, be applicable to damping section counter weight demand, and have the hoist and mount concurrently, overhaul the jacking, longitudinal connection, functions such as apron support mounting.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
the utility model comprises an 8-shaped track plate body, wherein the 8-shaped track plate body mainly comprises poured concrete and track plate reinforcing bars arranged in the concrete, one to three rectangular through grooves are arranged in the middle of the 8-shaped track plate body along the track laying direction, and two notch grooves are respectively arranged at two ends to form a structure shaped like a Chinese character 'mu' or 'ri', and a center cover plate or a balancing weight is arranged in each rectangular through groove; rail bearing platforms are arranged on the upper surface of the 8-shaped rail plate body at equal intervals along the laying direction of the rail; the side surface of the 8-shaped track plate body is provided with an embedded sleeve, and the embedded sleeve respectively comprises an inner frame outer side embedded sleeve, an inner frame inner side embedded sleeve, an outer frame inner side embedded sleeve and a track plate surface embedded sleeve; the outer side embedded sleeves of the inner frame are arranged on the outer side faces of two sides of the 8-shaped track plate body along the track laying direction, and the two sleeves are taken as a group and are uniformly distributed at intervals along the track laying direction; the embedded sleeves at the inner side of the inner frame are arranged on the side surfaces of two sides of the rectangular through groove of the 8-shaped track plate body along the track laying direction; the embedded sleeves at the inner side of the outer frame are arranged on the side surfaces of two sides of the notch groove of the 8-shaped track plate body along the track laying direction; the embedded sleeve on the surface of the track slab is arranged on the upper surface of the 8-shaped track slab body, and the two sides of the rectangular through groove and the notch groove are arranged at intervals along the track laying direction.
The rail plate reinforcing steel adopts a prestressed reinforcement system or a non-prestressed reinforcement net.
The prestressed reinforcement system mainly comprises a plurality of parallel reinforcements arranged inside the 8-shaped track plate body, and each reinforcement penetrates through the inside of the 8-shaped track plate body along the track laying direction.
The non-prestressed reinforcement net mainly comprises two groups of parallel reinforcement groups arranged inside the 8-shaped track slab body, each group of parallel reinforcement groups consists of a plurality of reinforcements which are arranged inside the 8-shaped track slab body in parallel but do not penetrate through the 8-shaped track slab body, and the two groups of parallel reinforcement groups are arranged in a vertical and crossed manner.
The concrete implementation comprises a plurality of 8-shaped track plate bodies, the 8-shaped track plate bodies are sequentially arranged at intervals along the track laying direction, adjacent 8-shaped track plate bodies are connected through a longitudinal connecting piece, and each side of two sides of a gap groove of the adjacent 8-shaped track plate bodies is connected through a longitudinal connecting piece; each longitudinal connecting piece comprises a flat cushion block, a tooth-shaped block and a connecting plate, and the side faces of two ends of each connecting plate are connected between the same sides of the notch grooves of the adjacent 8-shaped track plate bodies through the flat cushion blocks and the tooth-shaped blocks respectively.
the rectangle leads to the inslot and installs through supporting connection spare and says core apron or balancing weight, and 8 style of calligraphy track board body rectangle leads to both sides groove lateral wall of groove and all installs a supporting connection spare, and every supporting connection spare includes angle steel and connecting bolt, and the angle steel is fixed in the groove lateral wall that 8 style of calligraphy track board body rectangle leads to the groove through connecting bolt, and the angle steel cross-section is the type of falling L and arranges, says that core apron or balancing weight erect on the supporting connection spare of both sides.
The channel core cover plate is erected on the angle steel of the supporting and connecting piece on two sides, and the thickness of the channel core cover plate is the same as the vertical distance from the top surface of the angle steel to the upper edge of the rectangular through groove.
the counterweight block is erected on the angle steel of the supporting connecting piece on two sides and extends downwards to the lower edge of the rectangular through groove, and the thickness of the counterweight block is the same as that of the rectangular through groove.
The utility model discloses a board demand can be joined in marriage to the minimum curve radius standard of different circuits to the structure selection of the prefabricated track board of 8 fonts.
The utility model discloses can generally be applicable to A/AS/B type vehicle operation condition, be applicable to the plane curve and be not less than 300m circuit section, match AC power supply or DC supply standard, can satisfy present each type fastener installation demand of generally adopting, can satisfy non-damping section or damping section track structure technical demand.
The utility model discloses prefabricated track board can realize the batch production prefabrication, and effective control track structure quality can ensure construction high efficiency, high accuracy, high quality and maintenance convenience, has that the structure is reliable, the interface is equipped with completely, the suitability is strong etc. is showing characteristics.
The utility model has the advantages that:
The utility model discloses prefabricated track board can realize the batch production prefabrication, and effective control track structure quality can ensure construction high efficiency, high accuracy, high quality and maintenance convenience, has that the structure is reliable, the interface is equipped with completely, the suitability is strong etc. is showing characteristics.
Drawings
Fig. 1 is the utility model discloses 8 style of calligraphy prefabricated track board elevation.
Fig. 2 is the plane and longitudinal connection diagram of the 8-shaped prefabricated track slab of the utility model.
Fig. 3 is a diagram of the pre-stressed reinforcing mesh of the 8-shaped prefabricated track slab of the present invention.
Fig. 4 is the utility model discloses 8 prefabricated track board non-prestressed reinforcement net picture of style of calligraphy.
Fig. 5 is the utility model discloses 8 prefabricated track board of style of calligraphy way heart apron installation picture.
Fig. 6 is the utility model discloses 8 prefabricated track board's of style of calligraphy balancing weight installation picture.
Fig. 7 is a schematic structural view of the toothed block of the present invention.
In the figure, 2-8-shaped track slab body, 3-prestressed reinforcement system, 4-rail bearing platform, 5-embedded sleeve, 6-supporting connecting piece, 7-center cover plate, 8-counterweight block, 9-inner frame outer side embedded sleeve, 10-inner frame inner side embedded sleeve, 11-outer frame inner side embedded sleeve, 12-track slab surface embedded sleeve, 15-flat cushion block, 16-tooth block, 17-connecting plate, 18-non-prestressed reinforcement net, 20-angle steel and 21-connecting bolt.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
as shown in fig. 1 and 2, the utility model discloses the implementation includes 8 style of calligraphy track slab bodies 2, 8 style of calligraphy track slab bodies 2 mainly comprise the concrete of pouring and the track slab arrangement of reinforcement that the concrete is inside to be set up, 8 style of calligraphy track slab bodies 2 middle along the track direction of laying seted up one to three rectangle through grooves, and respectively set up a breach groove at both ends, form and be "mesh" or "day" style of calligraphy structure, be the main part of prefabricated track slab, be the main part structure who bears, transmits the operation train load, install way heart apron board 7 or balancing weight 8 in the rectangle through groove; the upper surface of the 8-shaped track slab body 2 is provided with track bearing platforms 4 at equal intervals along the track laying direction, and the track bearing platforms 4 are arranged on the top surface of the track slab.
as shown in fig. 1 and 2, 2 sides of 8-shaped track board body are provided with embedded sleeve 5, embedded sleeve 5 is embedded in 2 internal frame outside sides, internal frame inside sides, external frame inside sides, track board surface and other positions of 8-shaped track board body, and embedded sleeve 5 respectively includes internal frame outside side embedded sleeve 9, internal frame inside side embedded sleeve 10, external frame inside side embedded sleeve 11 and track board surface embedded sleeve 12:
The embedded sleeves 9 on the outer side of the inner frame are auxiliary components for hoisting, carrying or overhauling the 8-shaped prefabricated track plate, are arranged on the outer side surfaces of two sides of the 8-shaped track plate body 2 in the track laying direction, and are uniformly distributed at intervals in the track laying direction by taking two sleeves as a group;
The embedded sleeves 10 on the inner side edge of the inner frame are auxiliary components for overhauling and jacking the 8-shaped prefabricated track plate and assembling the track core cover plate 7 or the balancing weight 8, are arranged on the two side surfaces of the rectangular through groove of the 8-shaped track plate body 2 along the track laying direction, and are uniformly distributed at intervals along the track laying direction by taking two sleeves as a group;
The embedded sleeves 11 on the inner side of the outer frame are auxiliary components for longitudinal connection of the 8-shaped prefabricated track plates and assembly of the road core cover plate 7 or the balancing weight 8, are arranged on the side surfaces of two sides of the notch groove of the 8-shaped track plate body 2 along the track laying direction, and are arranged in a group by taking the two sleeves as a group;
The track slab surface embedded sleeve 12 is an auxiliary component for covering the surface of an 8-shaped prefabricated track slab, is arranged on the upper surface of the 8-shaped track slab body 2, is arranged at intervals along the track laying direction on two sides of the rectangular through groove and the notch groove, and is arranged by taking two sleeves as a group.
The structural arrangement of the embedded sleeve 5 fully considers the functional requirements of the processes of hoisting, carrying, overhauling, jacking, road core covering, longitudinal connection, road bed surface covering and the like of the track slab body 2, reserves sufficient implementation conditions in the prefabrication of the track slab body 2, and provides reliable and convenient conditions for manufacturing, storing, carrying, installing, overhauling and replacing the track slab body 2.
In the concrete implementation, the rail plate reinforcing steel adopts a prestressed reinforcement system 3 or a non-prestressed reinforcement net 18.
As shown in fig. 3, the prestressed reinforcement system 3 is mainly composed of a plurality of parallel reinforcements disposed inside the 8-shaped track slab body 2, and each reinforcement is arranged inside the 8-shaped track slab body 2 along the track laying direction in a penetrating manner, that is, both end portions of each reinforcement extend to the edge of the 8-shaped track slab body 2.
As shown in fig. 4, the non-prestressed reinforcement net 18 is mainly composed of two sets of parallel reinforcement sets disposed inside the 8-shaped track slab body 2, each set of parallel reinforcement set is composed of a plurality of reinforcements that are disposed inside the 8-shaped track slab body 2 in parallel but do not penetrate through the 8-shaped track slab body 2, and the two sets of parallel reinforcement sets are disposed perpendicularly and crosswise.
The 8-shaped track slab body 2 is a main structure of a prefabricated track slab, is a main structure for bearing and transmitting load of an operating train, is in a shape of a Chinese character 'mu' or a Chinese character 'ri', and has clear structure stress, simplicity, light weight and diversified limiting functions.
The 8-shaped track slab body 2 adopts a prefabricated reinforced concrete structure, adopts a prestressed or non-prestressed reinforced concrete structural system and is reasonably selected according to the structural design requirements. The rail plate reinforcement scheme is that the 8-shaped rail plate body is suitable for various load trains and different power supply system guarantee factors.
The non-prestressed reinforcement network drainage area of the track slab reinforcement scheme is not less than 4000mm 2, the non-prestressed reinforcement network drainage area comprises a transverse drainage reinforcement with d equal to 16mm, and a longitudinal through reinforcement with d equal to 16mm is arranged, each project can be properly adjusted and combined according to specific interface requirements, the transverse drainage reinforcement with d equal to 16mm is selected to be connected with a drainage terminal under a direct-current power supply system, and the longitudinal through reinforcement with d equal to 16mm is selected to be connected with a connecting terminal under an alternating-current power supply system.
The rail bearing platform 4 is a fastener mounting platform which is prefabricated on the top surface of the 8-shaped rail plate body and is used as a prefabricated part of a flat slope or a self-provided rail bottom slope; the effective installation space of the rail bearing platform 4 is not less than 380mm multiplied by 240 mm; the rail bearing platform 4 can meet the installation requirements of fasteners with different nail hole sizes, such as 260mm multiplied by 90mm/240mm multiplied by 100 mm; the height of the rail bearing platform 4 can meet the fastener assembling condition that the installation height is not less than 40 mm. In the concrete project, the rail bearing platform needs to be positioned and shaped according to the type selection of the steel rail, the gauge, the sleeper laying standard, the type of the fastener and the like, the nail hole spacing, the nail hole position and the prefabrication height of the rail bearing platform are matched with the type selection of the fastener,
The 8-shaped track slab comprises a plurality of 8-shaped track slab bodies 2, wherein the 8-shaped track slab bodies 2 are sequentially arranged at intervals along the track laying direction, adjacent 8-shaped track slab bodies 2 are connected through a longitudinal connecting piece 13, and each side of two sides of a notch groove of each adjacent 8-shaped track slab body 2 is connected through a longitudinal connecting piece; each longitudinal connecting piece comprises a flat cushion block 15, a tooth-shaped block 16 and a connecting plate 17, and the side faces of two ends of each connecting plate 17 are connected between the same sides of the notch grooves of the adjacent 8-shaped track plate bodies 2 through the flat cushion blocks 15 and the tooth-shaped blocks 16.
the tooth-shaped block is shown in fig. 7 and is a block with a tooth-shaped structure on the surface.
As shown in fig. 5, the rectangular through groove is provided with a center cover plate 7 through a supporting connecting piece 6, two side groove side walls of the rectangular through groove of the 8-shaped track plate body 2 are provided with a supporting connecting piece 6, the supporting connecting pieces 6 on two sides are symmetrically arranged, each supporting connecting piece 6 comprises an angle steel 20 and a connecting bolt 21, the angle steel 20 is fixed on the groove side walls of the rectangular through groove of the 8-shaped track plate body 2 through the connecting bolts 21, the cross section of the angle steel 20 is arranged in an inverted L shape, and the center cover plate 7 is erected on the supporting connecting pieces 6 on two sides. The center cover plate 7 is erected on the angle steel 20 of the supporting connecting piece 6 at two sides, the thickness of the center cover plate 7 is the same as the vertical distance from the top surface of the angle steel 20 to the upper edge of the rectangular through groove, the center cover plate is a light cover plate laid in the range of the frame of the 8-shaped track plate body 2, and the evacuation requirement of a track bed is mainly met.
As shown in fig. 6, install balancing weight 8 through supporting connection piece 6 in the groove is led to the rectangle, a supporting connection piece 6 is all installed to the both sides groove lateral wall that 8 style of calligraphy track board body 2 rectangles led to the groove, the supporting connection piece 6 symmetrical arrangement of both sides, every supporting connection piece 6 includes angle steel 20 and connecting bolt 21, angle steel 20 is fixed in the groove lateral wall that 8 style of calligraphy track board body 2 rectangles led to the groove through connecting bolt 21, angle steel 20 cross-section is the type of falling L and arranges that balancing weight 8 erects on the supporting connection piece 6 of both sides. The balancing weight 8 erects on the angle steel 20 of the supporting and connecting piece 6 of both sides and downwardly extending to the edge under the rectangular through groove, and the thickness that balancing weight 8 and rectangular through groove are the same, and balancing weight 8 is the heavy apron of laying in 2 frames scopes of 8 style of calligraphy track slab bodies, mainly realizes damping track structure counter weight and the sparse demand of ballast bed.
In the concrete implementation, the pavement structure of the road core cover plate can be arranged to realize the track bed evacuation function, the pavement structure of the balancing weight can effectively control the natural vibration frequency of the track and realize a better vibration damping effect, and the embedded sleeves of all parts are effective reservation conditions for hoisting, overhauling and jacking, longitudinally connecting and installing the cover plate bracket.
The utility model discloses a concrete preparation, equipment implementation process as follows:
1. Accessory component preparation
Preparing a fastener sleeve 5, an inner frame outer side embedded sleeve 9, an inner frame inner side embedded sleeve 10, an outer frame inner side embedded sleeve 11, a track plate surface embedded sleeve 12 and the like; purchasing bolts and gaskets and installing assembly bolts and angle steels; producing the longitudinal connecting piece flat cushion blocks 15, the tooth-shaped blocks 16 and the connecting pieces.
2. Primary parameter determination
determining the following factors according to project technical standards and fastener model selection:
1) The track slab adopts a prestressed or non-prestressed structural system, which is respectively shown in fig. 3 or fig. 4;
2) Selecting the minimum unit length model of the track slab;
3) The rail bearing platform is arranged in a standard mode and is prefabricated in height;
4) Whether the rail bearing platform is provided with a rail bottom slope and a nail hole position;
5) And (5) embedding the mounting position of the sleeve.
3. mold preparation
And (3) processing a mould according to the determined main parameters of the prefabricated track slab in the step 2, and performing pre-assembly.
4. Component manufacture
Prefabricating an 8-shaped track plate body comprises:
Erecting a template, binding reinforcing steel bars (tensioning the reinforcing steel bars), arranging embedded parts, pouring concrete, printing marks, maintaining and other main control links. Wherein, the built-in fitting includes: an inner frame outer side embedded sleeve 9, an inner frame inner side embedded sleeve 10, an outer frame inner side embedded sleeve 11, a track plate surface embedded sleeve 12 and the like.
The size and the position of the specific reserved embedded part are determined by the main parameters and the die in the step 2.
5. storage and transportation
The 8-shaped track slab body 2 can adopt a side-standing storage scheme, and adjacent track slab bodies are connected in a limiting mode and are provided with isolating layers, so that the situations of overturning, extrusion and the like are avoided.
The prefabricated track board transportation should adopt the flatbed, and the transportation is put things in good order and is kept apart when the reference is deposited, is put things in good order the requirement, and every track board body need increase spacing support frame in the transportation, should avoid rocking, jolting by a wide margin in the transportation.
The utility model discloses the prefabricated track plate structure of 8 types that the preparation formed is reliable, the interface is complete, the suitability is strong, can realize the batch production prefabrication, and effective control track structure quality can ensure construction high efficiency, high accuracy, high quality and maintenance convenience, simultaneously, can be applied to the sensitive point protection district section of no damping district section or different damping demands respectively.
from this the aforesaid implementation is visible, the utility model discloses 8 prefabricated track plate structures of style of calligraphy are reliable, the interface is complete, the suitability is strong, can realize the batch production prefabrication, and effective control track structure quality can ensure construction high efficiency, high accuracy, high quality and maintenance convenience, simultaneously, can be applied to the sensitive point protection district section of no damping district section or different damping demands respectively.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (8)
1. The utility model provides a prefabricated track board of 8 types suitable for urban rail transit construction demands which characterized in that: the 8-shaped track slab comprises an 8-shaped track slab body (2), wherein the 8-shaped track slab body (2) mainly comprises poured concrete and track slab reinforcing bars arranged in the concrete, one to three rectangular through grooves are formed in the middle of the 8-shaped track slab body (2) along the track laying direction, and two notch grooves are formed in two ends of the 8-shaped track slab body respectively to form a structure shaped like a Chinese character 'mu' or a Chinese character 'ri', and a track core cover plate (7) or a balancing weight (8) is arranged in each rectangular through groove; the upper surface of the 8-shaped track slab body (2) is provided with track bearing platforms (4) at equal intervals along the track laying direction; the side surface of the 8-shaped track slab body (2) is provided with an embedded sleeve (5), and the embedded sleeve (5) respectively comprises an inner frame outer side embedded sleeve (9), an inner frame inner side embedded sleeve (10), an outer frame inner side embedded sleeve (11) and a track slab surface embedded sleeve (12); the outer side embedded sleeves (9) at the inner frame are arranged on the outer side faces of two sides of the 8-shaped track plate body (2) along the track laying direction, and the two sleeves are taken as a group and are uniformly distributed at intervals along the track laying direction; the inner side embedded sleeve (10) of the inner frame is arranged on the side surfaces of the two sides of the rectangular through groove of the 8-shaped track plate body (2) along the track laying direction; the embedded sleeves (11) on the inner side of the outer frame are arranged on the side surfaces of two sides of the notch groove of the 8-shaped track plate body (2) along the track laying direction; the embedded sleeve (12) on the surface of the track slab is arranged on the upper surface of the 8-shaped track slab body (2), and the two sides of the rectangular through groove and the notch groove are arranged at intervals along the track laying direction.
2. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 1, characterized in that: the rail plate reinforcing steel adopts a prestressed reinforcement system (3) or a non-prestressed reinforcement net (18).
3. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 2, characterized in that: the prestressed reinforcement system (3) is mainly composed of a plurality of parallel reinforcements arranged inside the 8-shaped track plate body (2), and each reinforcement penetrates through the inside of the 8-shaped track plate body (2) along the track laying direction.
4. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 2, characterized in that: the non-prestressed reinforcement net (18) mainly comprises two groups of parallel reinforcement groups arranged inside the 8-shaped track slab body (2), each group of parallel reinforcement group is composed of a plurality of reinforcements which are arranged inside the 8-shaped track slab body (2) in parallel but do not penetrate through the 8-shaped track slab body (2), and the two groups of parallel reinforcement groups are arranged in a vertical cross mode.
5. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 2, characterized in that: the track laying device comprises a plurality of 8-shaped track plate bodies (2), wherein the 8-shaped track plate bodies (2) are sequentially arranged at intervals along the track laying direction, adjacent 8-shaped track plate bodies (2) are connected through a longitudinal connecting piece (13), and each side of two sides of a notch groove of each adjacent 8-shaped track plate body (2) is connected through a longitudinal connecting piece; each longitudinal connecting piece comprises a flat cushion block (15), a tooth-shaped block (16) and a connecting plate (17), and the side faces of two ends of each connecting plate (17) are connected between the same sides of the notch grooves of the adjacent 8-shaped track plate bodies (2) through the flat cushion blocks (15) and the tooth-shaped blocks (16).
6. the 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 1, characterized in that: install through supporting connection spare (6) in the groove and say core apron (7) or balancing weight (8), 8 style of calligraphy track board body (2) both sides groove lateral wall that the groove was led to the rectangle all installs one supporting connection spare (6), every supporting connection spare (6) include angle steel (20) and connecting bolt (21), angle steel (20) are fixed in the groove lateral wall that 8 style of calligraphy track board body (2) rectangle led to the groove through connecting bolt (21), angle steel (20) cross-section is the type of falling L and arranges, it erects on supporting connection spare (6) of both sides to say core apron (7) or balancing weight (8).
7. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 6, wherein: the center cover plate (7) is erected on the angle steel (20) of the supporting connecting piece (6) on two sides, and the thickness of the center cover plate (7) is the same as the vertical distance from the top surface of the angle steel (20) to the upper edge of the rectangular through groove.
8. The 8-shaped prefabricated track slab applicable to urban rail transit construction requirements according to claim 6, wherein: the counterweight block (8) is erected on angle steel (20) of the supporting connecting piece (6) on two sides and extends downwards to the lower edge of the rectangular through groove, and the thickness of the counterweight block (8) is the same as that of the rectangular through groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920235405.1U CN209759902U (en) | 2019-02-25 | 2019-02-25 | 8-shaped prefabricated track slab suitable for urban rail transit construction requirements |
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| CN201920235405.1U CN209759902U (en) | 2019-02-25 | 2019-02-25 | 8-shaped prefabricated track slab suitable for urban rail transit construction requirements |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763385A (en) * | 2019-02-25 | 2019-05-17 | 杭州银龙唐普徕科技有限公司 | The 8 font precast track plates suitable for Construction of Urban Rail Traffic demand |
| CN114808555A (en) * | 2022-06-17 | 2022-07-29 | 中铁上海设计院集团有限公司 | Prefabricated frame plate and application method thereof |
-
2019
- 2019-02-25 CN CN201920235405.1U patent/CN209759902U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763385A (en) * | 2019-02-25 | 2019-05-17 | 杭州银龙唐普徕科技有限公司 | The 8 font precast track plates suitable for Construction of Urban Rail Traffic demand |
| CN114808555A (en) * | 2022-06-17 | 2022-07-29 | 中铁上海设计院集团有限公司 | Prefabricated frame plate and application method thereof |
| CN114808555B (en) * | 2022-06-17 | 2023-11-28 | 中铁上海设计院集团有限公司 | Prefabricated frame plate and application method thereof |
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