CN107190658B - Steel free frame assembly type railway evacuation rescue platform - Google Patents
Steel free frame assembly type railway evacuation rescue platform Download PDFInfo
- Publication number
- CN107190658B CN107190658B CN201710621409.9A CN201710621409A CN107190658B CN 107190658 B CN107190658 B CN 107190658B CN 201710621409 A CN201710621409 A CN 201710621409A CN 107190658 B CN107190658 B CN 107190658B
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- platform
- steel
- stair
- frame
- platform frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/025—Stairways having stringers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal
Abstract
The invention discloses a steel free frame assembly type railway evacuation rescue platform, which comprises a platform frame, a concrete precast slab, steel stairway and an anchor bolt device, wherein the platform frame is arranged on the platform frame; the lower part of the platform frame is hollowed out; the concrete precast slab is arranged at the upper part of the platform frame; the steel stair is arranged on one side of the platform frame, the upper part of the steel stair is fixed on the platform frame, and the lower part of the steel stair is fixed on a plain concrete foundation at the lower part of the steel stair through an anchor bolt device; the lower part of the platform frame is a graded broken stone cement-doped matrix, the platform frame is fixed on the graded broken stone cement-doped matrix through an anchor bolt device, the surface of the graded broken stone cement-doped matrix is inclined from the platform frame to the direction of the steel stair, the lower part of the steel stair is provided with a side ditch, the side ditch is adjacent to the graded broken stone cement-doped matrix, and the upper part of the side ditch is provided with a side ditch platform. The invention has the advantages of simple and reliable structure, flexible arrangement, effective solving of the platform drainage problem, strong roadbed stability, high construction speed, low investment cost and obvious economic and technical benefits.
Description
Technical Field
The invention relates to the technical field of railway stations, in particular to a steel free frame assembled type railway evacuation rescue station which is simple and reliable in structure, flexible in arrangement, low in manufacturing cost, rapid in construction and high in drainage efficiency.
Background
Most of the traditional railway evacuation rescue platforms are in reinforced concrete structure, and the bottom embedded pipelines are adopted for drainage, so that the drainage efficiency is low, the pipelines are easy to block, and the maintenance cost is high; when the water drainage device is positioned in a mountain area with severe climate conditions, once heavy rainfall occurs, the water drainage of the traditional platform often cannot quickly drain the rainwater out of a road base surface, a large amount of rainwater is gathered to bring serious influence on the stability of the road base, and the driving safety is endangered.
In addition, the traditional platform needs to be cast by on-site vertical formwork during construction, and meanwhile, the platform body is large, and the concrete can reach the strength and is put into use for a long time, so that the construction period is long and the construction cost is high.
The evacuation rescue platform is positioned on shoulders on two sides of the railway, facilities such as communication signals, power cable grooves, cable wells, contact net columns and the like are arranged in a centralized manner, and the original concrete entity platform has great influence on construction interference of the facilities and is not beneficial to maintenance in an operation period.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the steel free frame assembly type railway evacuation rescue platform which is simple and reliable in structure and flexible in arrangement, effectively solves the problem of platform drainage, has strong roadbed stability and ensures driving safety; the construction speed is improved, the investment cost is reduced, and the method has remarkable economic and technical benefits; and the communication and power cable facilities are not affected, and the maintenance in the operation period is convenient.
In order to solve the problems existing in the prior art, the adopted specific technical scheme is as follows:
a steel free frame assembly type railway evacuation rescue platform comprises a platform frame, a concrete precast slab, steel stairway and an anchor bolt device; the platform frame is formed by splicing and welding angle steel, and the lower part of the platform frame is hollowed out; the concrete precast slab is arranged at the upper part of the platform frame; the steel stair is arranged on one side of the platform frame, the upper part of the steel stair is fixed on the platform frame, and the lower part of the steel stair is fixed on a plain concrete foundation at the lower part of the steel stair through an anchor bolt device; the lower part of the platform frame is a graded broken stone cement-doped matrix, the platform frame is fixed on the graded broken stone cement-doped matrix through an anchor bolt device, the surface of the graded broken stone cement-doped matrix is inclined from the platform frame to the direction of the steel stair, the lower part of the steel stair is provided with a side ditch, the side ditch is arranged adjacent to the graded broken stone cement-doped matrix, the upper part of the side ditch is provided with a side ditch platform, and the surface of the side ditch platform is lower than the surface of the graded broken stone cement-doped matrix.
Preferably, the platform frame comprises an upper platform formed by welding angle steel and platform support legs arranged at the lower part of the upper platform, wherein the platform support legs comprise inner support legs and outer support legs which are arranged in parallel, the steel stair is fixed on one side of each inner support leg, and the length of each inner support leg is larger than that of each outer support leg.
In a further preferred scheme, the outer support legs are fixed on the graded broken stone cement-doped matrix through anchor bolt devices; the lower part of the inner side support leg is provided with a concrete shoulder pad, the inner side support leg is fixed on the concrete shoulder pad through an anchor bolt device, and the concrete shoulder pad is arranged on the graded broken stone cement-doped matrix.
In a further preferable scheme, the concrete shoulder pad is arranged at the upper part of the side ditch platform, and the side surface of the concrete shoulder pad adjacent to the side ditch platform is an inclined surface.
Still further preferably, the cable trough is provided on the surface of the cement matrix mixed with the graded broken stone at the lower part of the platform frame, the cable trough is arranged adjacent to the concrete shoulder pad, the cable trough is provided with a cable trough cover plate, and the heights of the surface of the cement matrix mixed with the graded broken stone, the surface of the cable trough cover plate, the surface of the concrete shoulder pad and the side ditch platform surface are gradually reduced in sequence.
The steel structure devices of the platform frame, the concrete precast slab, the steel stair and the anchor bolt device are all subjected to hot dip galvanizing corrosion prevention treatment, and the galvanizing grade is not lower than AB grade.
The steel stair comprises stair beams at two sides and stair steps arranged between the stair beams, wherein the stair beams are Q235 channel steel, the stair steps are pattern steel plates, and the stair beams and the stair steps are formed by welding.
By adopting the scheme, the steel free frame assembly type railway evacuation rescue platform has the technical effects that compared with the prior art, the steel free frame assembly type railway evacuation rescue platform has the following technical effects:
(1) The lower part of the platform frame adopts a hollowed-out form, the surface of the graded broken stone cement-doped matrix is an inclined plane, the side surface of the platform frame is provided with the side ditch, and water flow is easy to discharge into the side ditch.
(2) The rescue platform is formed by splicing steel structures in a frame mode, the arrangement is more flexible, when components collide with the upright post of the overhead line system, the stay wire and the CPIII control point, the arrangement of the components can be properly adjusted on site, the whole structure is simple, the safety and the reliability are realized, the cost is lower, the use of masonry is reduced, and the construction efficiency is improved.
(3) The platform frame is fixed on the foundation bed and the road shoulder through the anchor bolts, and the stairs are connected with the bottom plain concrete foundation through the anchor bolts, so that the stability of the structure is guaranteed together.
(4) The concrete cover plate can be prefabricated in a prefabrication factory, so that the mass production is easy, the quality is reliable, the platform frame construction is finished after the production is finished, and the platform frame can be transported to the site for installation through a plate trailer, so that the construction efficiency is greatly improved.
(5) The steel stair is formed by welding the stair beam and the stair steps, is simple to manufacture and convenient to install, and compared with the traditional masonry stair, the steel stair has the advantages of greatly saving materials and reducing manufacturing cost.
(6) The steel structure materials in the platform technology are all preserved by hot dip galvanizing, so that the steel structure materials have good corrosion resistance and longer service life.
In a word, the invention solves the problem of the limitation of drainage in the roadbed range of the traditional entity evacuation rescue platform in mountain areas and general areas, and provides a platform technology which is safe in structure, convenient and fast to construct and wider in application range, which is beneficial to reducing engineering investment, saving later maintenance cost, has obvious economic and technical benefits, does not influence communication and power cable facilities, and is convenient to maintain in the operation period.
Drawings
FIG. 1 is a side view of a steel free frame spliced railway evacuation rescue platform of the present invention;
fig. 2 is a schematic view of a steel free frame assembly type railway evacuation rescue platform according to the present invention.
Marked in the figure as: 1. a platform frame; 11. an upper platform; 12. an inner bracket leg; 13. outer bracket legs; 2. a concrete precast slab; 3. steel stairway; 31. ladder beams; 32. stair steps; 4. an anchor bolt device; 41. a steel plate; 42. connecting anchor bolts; 5. a plain concrete foundation; 6. grading crushed stone and mixing cement matrix; 7. a side ditch; 71. a side ditch platform; 8. concrete shoulder pads; 81. a concrete shoulder pad side surface; 9. a cable trough; 10. a cable trough cover plate.
Description of the embodiments
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings in conjunction with the specific examples. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The steel free frame assembled railway evacuation rescue platform has the overall structure shown in fig. 1 and 2 and comprises a platform frame 1, a concrete precast slab 2, steel stairs 3 and an anchor bolt device 4.
The platform frame 1 is formed by splicing and welding angle steel, and the lower part of the platform frame 1 is hollowed out. The platform frame 1 includes the upper portion platform 11 that forms by the angle steel welding and locates the platform support leg of upper portion platform lower part, the platform support leg includes parallel arrangement's inboard support leg 12 and outside support leg 13, steel stair 3 is fixed in one side of inboard support leg 12, upper portion platform 11 level sets up, the length of inboard support leg 12 is greater than the length of outside support leg 13. The concrete precast slab 2 is provided at an upper portion of the upper deck 11 of the deck frame 1.
The steel stair 3 is arranged on one side of the platform frame 1, the upper portion of the steel stair 3 is fixed on the platform frame 1, and the lower portion of the steel stair 3 is fixed on a plain concrete foundation 5 at the lower portion of the steel stair 3 through an anchor bolt device 4. The steel stair 3 comprises stair beams 31 on two sides and stair steps 32 arranged between the stair beams 31, the stair beams 31 are Q235 channel steel, the stair steps 32 are pattern steel plates, and the stair beams 31 and the stair steps 32 are formed by welding. The anchor bolt arrangement 4 comprises a steel plate 41 and a connecting anchor bolt 42.
The lower part of the platform frame 1 is provided with a graded broken stone cement-doped matrix 6, the platform frame 1 is fixed on the graded broken stone cement-doped matrix 6 through an anchor bolt device 4, the surface of the graded broken stone cement-doped matrix 6 is inclined from the platform frame 1 to the steel stair 3, the lower part of the steel stair 3 is provided with a side ditch 7, the side ditch 7 is adjacently arranged with the graded broken stone cement-doped matrix 6, one side of the upper part of the side ditch 7, which is close to the platform frame 1, is provided with a side ditch platform 71, and the surface of the side ditch platform 71 is lower than the surface of the graded broken stone cement-doped matrix 6.
The outer support legs 13 of the platform frame 1 are fixed on the graded broken stone cement matrix 6 through anchor bolt devices 4, concrete shoulder pads 8 are arranged at the lower parts of the inner support legs 12 of the platform frame 1, the inner support legs 12 are fixed on the concrete shoulder pads 8 through the anchor bolt devices 4, and the concrete shoulder pads 8 are arranged on the graded broken stone cement matrix 6. The concrete shoulder pad 8 is arranged on the upper portion of the side ditch platform 71, and a side face 81, adjacent to the side ditch platform, of the concrete shoulder pad 8 is an inclined plane.
The surface of the lower-level-matched gravel cement-doped matrix 6 of the platform frame 1 is provided with a cable groove 9, the cable groove 9 is arranged adjacent to the concrete shoulder pad 8, the cable groove 9 is provided with a cable groove cover plate 10, and the heights of the surface of the graded-lithotripsy cement-doped matrix 6, the surface of the cable groove cover plate 10, the surface of the concrete shoulder pad 8 and the surface of the side ditch platform 71 are gradually reduced in sequence.
In the invention, all steel structure devices contained in the platform frame 1, the concrete precast slab 2, the steel stair 3 and the anchor bolt device 4 are treated by hot dip galvanizing for corrosion prevention, and the whole device is more durable.
The specific construction steps of the invention are as follows:
(1) Steel plates of the anchor bolt device, the anchor bolts, angle steel of the platform frame, pattern steel plates and ladder beams are manufactured in factories, wherein all steel structure materials are preserved by adopting hot dip galvanizing, and the galvanizing is not lower than AB class; the components are transported to the site.
(2) Building a C25 plain concrete foundation, a side ditch platform and a concrete shoulder pad on a flat site, and paving a cable duct;
(3) After the strength of the C25 plain concrete foundation reaches 70%, assembling a steel plate of the anchor bolt device, the anchor bolts and angle steel of the platform frame to form the frame;
(4) The strength of the prefabricated concrete slab manufactured in a factory reaches 70%;
(5) Assembling the pattern steel plates and the ladder beams to form a ladder step;
(6) When the components collide with the upright posts, the stay wires and the measurement control points of the overhead line system, the arrangement of the components can be properly adjusted on site.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the invention, but rather to cover any modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The steel free frame assembled railway evacuation rescue platform is characterized by comprising a platform frame, a concrete precast slab, steel stairway and an anchor bolt device; the platform frame is formed by splicing and welding angle steel, and the lower part of the platform frame is hollowed out; the concrete precast slab is arranged at the upper part of the platform frame; the steel stair is arranged on one side of the platform frame, the upper part of the steel stair is fixed on the platform frame, and the lower part of the steel stair is fixed on a plain concrete foundation at the lower part of the steel stair through an anchor bolt device; the lower part of the platform frame is a graded broken stone cement-doped matrix, the platform frame is fixed on the graded broken stone cement-doped matrix through an anchor bolt device, the surface of the graded broken stone cement-doped matrix is inclined from the platform frame to the direction of the steel stair, the lower part of the steel stair is provided with a side ditch, the side ditch is arranged adjacent to the graded broken stone cement-doped matrix, the upper part of the side ditch is provided with a side ditch platform, and the surface of the side ditch platform is lower than the surface of the graded broken stone cement-doped matrix;
the platform frame comprises an upper platform formed by welding angle steel and platform support legs arranged at the lower part of the upper platform, wherein the platform support legs comprise an inner support leg and an outer support leg which are arranged in parallel, the steel stair is fixed on one side of the inner support leg, and the length of the inner support leg is longer than that of the outer support leg;
the outer support legs are fixed on the graded broken stone cement-doped matrix through anchor bolt devices; the lower parts of the inner side support legs are provided with concrete shoulder pads, the inner side support legs are fixed on the concrete shoulder pads through anchor bolt devices, and the concrete shoulder pads are arranged on the graded broken stone cement-doped matrix;
the steel structure devices of the platform frame, the concrete precast slab, the steel stair and the anchor bolt device are all subjected to hot dip galvanizing corrosion prevention treatment.
2. A steel free-frame split rail evacuation rescue platform as defined in claim 1, wherein: the concrete shoulder pad is arranged on the upper part of the side ditch platform, and the side surface, adjacent to the side ditch platform, of the concrete shoulder pad is an inclined surface.
3. A steel free-frame split rail evacuation rescue platform as claimed in claim 2, wherein: the cable groove is formed in the surface of the cement-doped base body of the graded broken stone at the lower part of the platform frame, the cable groove is arranged adjacent to the concrete shoulder pad, a cable groove cover plate is arranged on the cable groove, and the heights of the surface of the cement-doped base body of the graded broken stone, the surface of the cable groove cover plate, the surface of the concrete shoulder pad and the surface of the side ditch platform are gradually reduced in sequence.
4. A steel free-frame split rail evacuation rescue platform as defined in claim 1, wherein: the steel stair comprises stair beams at two sides and stair steps arranged between the stair beams, wherein the stair beams are Q235 channel steel, and the stair steps are patterned steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621409.9A CN107190658B (en) | 2017-07-27 | 2017-07-27 | Steel free frame assembly type railway evacuation rescue platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621409.9A CN107190658B (en) | 2017-07-27 | 2017-07-27 | Steel free frame assembly type railway evacuation rescue platform |
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| CN107190658A CN107190658A (en) | 2017-09-22 |
| CN107190658B true CN107190658B (en) | 2023-07-11 |
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| CN201710621409.9A Active CN107190658B (en) | 2017-07-27 | 2017-07-27 | Steel free frame assembly type railway evacuation rescue platform |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110364958B (en) * | 2019-06-19 | 2021-09-14 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for laying cable duct on roadbed |
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