CN112097223A - Installation method of light guide plate fixing support based on overpass - Google Patents
Installation method of light guide plate fixing support based on overpass Download PDFInfo
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- CN112097223A CN112097223A CN202011016777.9A CN202011016777A CN112097223A CN 112097223 A CN112097223 A CN 112097223A CN 202011016777 A CN202011016777 A CN 202011016777A CN 112097223 A CN112097223 A CN 112097223A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
Abstract
The invention discloses an installation method of a light guide plate fixing bracket based on an overpass, which comprises the following steps: (1) welding a base on the side wall of the bridge body outside the guardrail, and welding a vertical supporting rod on the base; (2) welding a plurality of transverse supporting rods on the vertical supporting rod from low to high along the axial direction of the vertical supporting rod; (3) welding the mountain-shaped support rods at the upper ends of the vertical support rods one by one; (4) fixing one side of a connecting groove on a bridge body below a base, and fixing the other side of the connecting groove on the bridge body above the base, so that the connecting groove and the bridge body form a channel; (5) the lower end of each connecting piece is fixed on the base through a connecting groove, and the upper end of each connecting piece is arranged on a transverse supporting rod or a mountain-shaped supporting rod; and then the light guide plate is mounted on the connector. The installation method is simple to operate and convenient to implement, the light guide plate is used for fixing the support, and the large steel structure keel is installed on the existing steel structure bridge body to serve as a fixing surface, so that the reasonable installation of the lamp is realized.
Description
Technical Field
The invention belongs to the technical field of steel structure installation, relates to outdoor lighting lamp installation, and particularly relates to an installation method of a light guide plate fixing support based on an overpass.
Background
The existing bridge brightening engineering is to finish the construction of lighting lamps in bridge construction, the bridge brightening can not only provide illumination on a bridge at night, but also be used for highlighting the shape of the bridge to achieve the purpose of beautifying the night scene of a city, and a point light source is commonly used as a lamp for highlighting the lines of the bridge at present. With the development of socio-economy, the light guide plate needs to be installed on the overpass to meet the requirements of different night scene lighting projects.
However, the existing steel structure bridge body can only be suitable for installing simple lamps, and for the situations that a light guide plate and other a large number of complex lamps need to be installed, the existing overpass does not have the condition of directly installing the lamps, and cannot meet the current night scene lighting project requirements.
Disclosure of Invention
The invention aims to provide an installation method of a light guide plate fixing support based on an overpass, which can be used for conveniently installing a light guide plate on a steel structure bridge body and solving the problem that a complex lamp cannot be installed.
The technical scheme adopted by the invention is as follows:
a method for installing a light guide plate fixing support based on an overpass is characterized by comprising the following steps:
the light guide plate fixing support comprises a base, a connecting groove, a plurality of connecting pieces and m mountain-shaped parts; the connecting piece is rod-shaped;
the mountain-shaped part comprises a plurality of mountain-shaped supporting rods, a plurality of vertical supporting rods and a plurality of transverse supporting rods, and the mountain-shaped supporting rods comprise mountain peak sections and/or valley sections;
the mounting method comprises the following steps:
(1) welding a base on the side wall of the bridge body outside the overpass guardrail, and welding the lower ends of the vertical support rods on the base one by one;
(2) welding a plurality of transverse supporting rods on the vertical supporting rod from low to high along the axial direction of the vertical supporting rod;
(3) welding the mountain-shaped support rods at the upper ends of the vertical support rods one by one, welding each mountain-shaped support rod with the upper end of each vertical support rod below the mountain-shaped support rod, and welding one end or two ends or valley sections of one or n mountain-shaped support rods on the base, wherein n is less than m;
(4) fixing one side of a connecting groove on a bridge body below a base, and fixing the other side of the connecting groove on the bridge body above the base, so that the connecting groove and the bridge body form a channel;
then welding a sealing plate at the connecting groove positioned at the end head, wherein the sealing plate seals the channel to form a cavity;
wherein, a gap is arranged at the connecting groove of the vertical supporting rod and the mountain-shaped supporting rod, and the vertical supporting rod and the mountain-shaped supporting rod are positioned in the corresponding gap;
(5) the lower end of each connecting piece is fixed on the base through a connecting groove, and the upper end of each connecting piece is arranged on a transverse supporting rod or a mountain-shaped supporting rod; and then the light guide plate is arranged on the connecting piece, and the height of the light guide plate is consistent with that of the mountain-shaped supporting rod or is slightly higher than that of the mountain-shaped supporting rod and is in a mountain shape.
Preferably, in step (1), a plurality of vertical rods are welded under the base of the overpass box girder, the other ends of the vertical rods are welded with square tubes, the square tubes are parallel to the base of the overpass box girder, then one ends of the transverse rods and the oblique rods are welded with the square tubes, the other ends of the transverse rods and the oblique rods are welded with the side walls of the bridge body close to the square tubes, the oblique rods are located between the base and the transverse rods, and the vertical rods, the square tubes, the transverse rods and the oblique rods are located in the channels of the overpass box girder.
Preferably, in the step (5), the connecting pieces at the bridge girder are divided into upper connecting pieces and lower connecting pieces; the lower end of the upper connecting piece is in threaded connection with the base through a connecting groove, and the upper end of the upper connecting piece is in threaded connection with the transverse supporting rod or the mountain-shaped supporting rod; the upper end of the lower connecting piece is fixedly connected with the base through a connecting groove, and the lower end of the lower connecting piece is fixedly connected with the square pipe through the connecting groove.
Preferably, in the step (1), one end of the first stiffening plate is welded on the base, and the other end of the first stiffening plate is positioned above the connecting groove in the step (4) and welded on the vertical supporting rod;
correspondingly, in the step (4), notches are formed in the connecting grooves where the first stiffening plates are arranged, and the first stiffening plates are located in the corresponding notches.
Preferably, in the step (1), one end of the second stiffening plate is welded to the base, the other end of the second stiffening plate is welded to the vertical support rod, and the second stiffening plate is located in the channel formed by the corresponding connecting groove and the bridge body in the step (4).
Preferably, in the step (4), concrete is further used for reinforcement between the vertical support rods and the notches of the connecting grooves, and meanwhile, the second stiffening plates are reinforced in the corresponding concrete.
Preferably, step (1) is preceded by step (a): welding an aluminum-plastic plate on the lower surface of the bridge body, fixing bridge boxes on the left side and the right side of the lower surface of the aluminum-plastic plate, arranging wires in the bridge boxes, forming a plurality of openings in the aluminum-plastic plate above the bridge boxes, penetrating the wires out of the openings, and then leading out from between the aluminum-plastic plate and the bridge body;
step (4) also comprises the steps that before the connecting groove and the bridge body are fixed, a hole is formed in the connecting groove, then the lead led out in the step (a) is led into the connecting groove from the groove opening of the connecting groove close to the bridge box, then the lead is led out from the hole of the connecting groove, and then the connecting groove is fixed on the bridge body;
and (5) after the light guide plate is installed, electrically connecting the lead wire led out from the hole of the connecting groove in the step (4) with the corresponding light guide plate. Thus, the installation can avoid the danger of electric leakage and the like caused by the exposure of the lead to the outside.
Preferably, in the step (5), the connecting pieces are uniformly distributed along the length direction of the base.
Preferably, in the step (1), the vertical support rods are uniformly distributed on the bridge body along the length direction of the base.
Preferably, in step (4), the connecting groove comprises an upper inclined plate, a vertical plate and a bottom plate, and step (4) is operated correspondingly as follows:
for the overpass stairs, fixing a bottom plate on a bridge body below a base, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); holes are formed in the vertical plate or the upper inclined plate, and the lead led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate;
for the box girder of the overpass, fixing a bottom plate on a bridge body below the square pipe, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); holes are formed in the vertical plate or the upper inclined plate, and the lead led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate;
wherein the upper inclined plate is provided with the notch; at the overpass stairs, the included angle between the bottom plate and the vertical plate and the included angle between the upper inclined plate and the vertical plate are obtuse angles; at the overpass box girder, the bottom plate is vertical to the vertical plate, and the included angle between the upper inclined plate and the vertical plate is an obtuse angle; the upper inclined plate, the vertical plate and the bottom plate are all aluminum-plastic plates.
Preferably, the connecting grooves are integrally formed, and the step (4) comprises sealing the vertical supporting rods, the mountain-shaped supporting rods, the first stiffening plates and the corresponding notches with engineering glue, and sealing the connecting grooves and the bridge body with engineering glue.
Preferably, the connecting piece in (5) is a connecting pipe, the connecting pipe is internally used for wiring, the outer side wall of the connecting pipe is provided with two fixing plates, the upper end and the lower end of each fixing plate are both provided with screw holes, and the light guide plate is fixed between the two fixing plates through the screw holes.
Preferably, the light guide plate in the step (5) is based on a DMX512 control system;
the light guide plates at the overpass box girder comprise a first light guide plate, a second light guide plate and a third light guide plate, and the widths of the 3 light guide plates are different;
the light guide plate at the overpass stair comprises a fourth light guide plate and a fifth light guide plate, the width of the fourth light guide plate is smaller than that of the fifth light guide plate, the fourth light guide plate is arranged on the connecting piece and is in a first mountain shape, the fifth light guide plate is arranged on the connecting piece and is in a second mountain shape, and the length of the second mountain shape is smaller than that of the first mountain shape.
The invention has the beneficial effects that:
the installation method is simple to operate and convenient to implement, the light guide plate is used for fixing the support, and the large steel structure keel is installed on the existing steel structure bridge body to serve as a fixing surface, so that the reasonable installation of the lamp is realized;
according to the invention, the vertical support rod, the transverse support rod and the mountain-shaped support rod are connected, and the vertical support rod and the oblique support rod are connected, so that the invention has good stability and is not easily influenced by wind force;
the vertical support rods are fixed in the corresponding openings through concrete, the vertical support rods are sealed with the opening walls, and the concrete is matched with the structure to fix the vertical support rods, so that the stability of the structure of the invention is ensured, the structure of the connecting part avoids water and dust accumulation of the upper inclined plate, rainwater can flow away quickly when raining, the bottom plate at the stairs of the overpass has a drainage effect on the rainwater, the rainwater flows away along the side wall of the bridge body, and the influence of the rainwater on pedestrians is avoided.
The structure of bridge box can avoid the wire to expose the electric leakage danger that externally leads to, still can avoid the wire to expose and externally blow the sunshine influence life.
Drawings
FIG. 1 is a schematic view of the installation structure of the present invention at a overpass staircase;
FIG. 2 is a partial enlarged view of the present invention at a overpass staircase;
FIG. 3 is a cross-sectional view of a portion of the connection between the base and the side wall of the bridge according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the present invention at the overpass box girder;
FIG. 5 is a partial enlarged view of the present invention at an overpass box girder;
FIG. 6 is a partial cross-sectional view of the present invention at an overpass box girder;
FIG. 7 is a schematic view of a connection structure of a light guide plate and a connector;
the light guide plate comprises reference numerals of a base 1, mountain-shaped supporting rods 2, vertical supporting rods 3, transverse supporting rods 4, connecting pieces 5, first stiffening plates 6, upper inclined plates 7, vertical plates 8, a bottom plate 9, second stiffening plates 10, a bridge box 11, a light guide plate 15 and square tubes 17.
Detailed Description
The method mainly aims at the problem that a large steel structure is installed on the existing bridge body to be used as a keel to fix the installation of the lamp, and draws a steel structure steel frame diagram and obtains the professional approval of the bridge body of a municipal design institute through the professional steel structure design;
according to the requirements of night-scene lighting projects, a large number of light guide plate lamps need to be installed on the LED light source, and the LED light source appears in mountain-shaped states of different levels, so that night-scene lighting with the theme of 'stepping on waves and going ahead' is presented.
The installation of the light guide plate lamp is the key and difficult point of the project, because the overpass does not have the condition of directly installing the lamp, several mountain-shaped steel structures with different levels are required to be installed on the bridge body to be used as a carrier for installing the lamp. Therefore, professional steel structure design is carried out, and the calculation of the total load of the steel structure, the lamp and the pipeline is counted. In order to ensure the safe bearing of the bridge body, the load calculation data is verified by a bridge body design unit, the load requirement of the bridge body is met, and the steel structure design and the lamp installation can be smoothly implemented.
Aiming at the problem of mounting the outdoor lighting lamp on the existing bridge body, the invention mounts the large steel structure keel on the existing bridge body as a fixing surface to realize reasonable mounting of the lamp.
The invention is described below with reference to the accompanying drawings:
a method for installing a light guide plate fixing bracket based on an overpass,
as shown in fig. 1 to 7, the light guide plate fixing bracket includes a base 1, a connecting groove, a plurality of connecting members 5, and m mountain-shaped portions; the connecting piece is rod-shaped;
the mountain-shaped part comprises a plurality of mountain-shaped supporting rods 2, a plurality of vertical supporting rods 3 and a plurality of transverse supporting rods 4, and the mountain-shaped supporting rods comprise mountain peak sections and/or valley sections;
the installation method of the invention comprises the following steps:
(1) welding a base on the side wall of the bridge body outside the overpass guardrail, and welding the lower ends of the vertical support rods on the base one by one; the vertical supporting rods are uniformly distributed on the bridge body along the length direction of the base;
(2) welding a plurality of transverse supporting rods on the vertical supporting rod from low to high along the axial direction of the vertical supporting rod;
(3) welding the mountain-shaped support rods at the upper ends of the vertical support rods one by one, welding each mountain-shaped support rod with the upper end of each vertical support rod below the mountain-shaped support rod, and welding one end or two ends or valley sections of one or n mountain-shaped support rods on the base, wherein n is less than m;
(4) fixing one side of a connecting groove on a bridge body below a base, and fixing the other side of the connecting groove on the bridge body above the base, so that the connecting groove and the bridge body form a channel;
then welding a sealing plate at the connecting groove positioned at the end head, wherein the sealing plate seals the channel to form a cavity;
wherein, a gap is arranged at the connecting groove of the vertical supporting rod and the mountain-shaped supporting rod, and the vertical supporting rod and the mountain-shaped supporting rod are positioned in the corresponding gap;
(5) the lower end of each connecting piece is fixed on the base through a connecting groove, and the upper end of each connecting piece is arranged on a transverse supporting rod or a mountain-shaped supporting rod; then, the light guide plate 15 is mounted on the connector, and the height of the light guide plate is the same as or slightly higher than that of the mountain-shaped support rods, and the light guide plate is mountain-shaped. Each connecting piece is evenly distributed along the length direction of the base. The light guide plate is based on a DMX512 control system.
In the step (1), a plurality of vertical rods are welded under the base at the position of the overpass box girder, as shown in fig. 6, the other ends of the vertical rods are welded with square tubes 17 which are parallel to the base at the position of the overpass box girder, then one ends of the transverse rods and the oblique rods are welded with the square tubes, and the other ends of the transverse rods and the oblique rods are welded with the side walls of the bridge body close to the square tubes, wherein the oblique rods are positioned between the base and the transverse rods; and the vertical rods, the square tubes, the transverse rods and the oblique rods are all positioned in the channels at the box girders of the overpass.
In the step (5), the connecting piece positioned at the overpass box girder is divided into an upper connecting piece and a lower connecting piece; the lower end of the upper connecting piece is in threaded connection with the base through a connecting groove, and the upper end of the upper connecting piece is in threaded connection with the transverse supporting rod or the mountain-shaped supporting rod; the upper end of the lower connecting piece is fixedly connected with the base through a connecting groove, and the lower end of the lower connecting piece is fixedly connected with the square pipe through the connecting groove.
In order to ensure the stability of the present invention, as shown in fig. 5, in some embodiments, in step (1), a first stiffening plate 6 is further welded to the lower end of the vertical support rod, specifically, one end of the first stiffening plate is welded to the base, and the other end of the first stiffening plate is located above the connecting groove in step (4) and is welded to the vertical support rod; correspondingly, in the step (4), notches are formed in the connecting grooves where the first stiffening plates are arranged, and the first stiffening plates are located in the corresponding notches.
And (4) reinforcing the gap between the vertical supporting rod and the connecting groove by using concrete, and reinforcing the second stiffening plate in the corresponding concrete. The concrete is matched with the structure to fix the vertical supporting rod, so that the stability of the structure is ensured.
As shown in fig. 3, in step (1), a second stiffener plate 10 is further welded on the base, specifically: and (4) welding one end of the second stiffening plate on the base, welding the other end of the second stiffening plate on the vertical support rod, and positioning the second stiffening plate in a channel formed by the corresponding connecting groove and the bridge body in the step (4). The stability of the invention is further ensured.
In order to avoid the danger of electric leakage caused by the exposure of the lead wire of the invention to the outside and also avoid the influence of the exposure of the lead wire to the outside wind and the sun on the service life, in some embodiments, the method further comprises the following step (a) before the step (1): welding an aluminum-plastic plate on the lower surface of the bridge body, fixing bridge boxes 11 on the left side and the right side of the lower surface of the aluminum-plastic plate, arranging wires in the bridge boxes, forming a plurality of openings in the aluminum-plastic plate above the bridge boxes, penetrating the wires out of the openings, and then leading out from between the aluminum-plastic plate and the bridge body;
step (4) also comprises the steps that before the connecting groove and the bridge body are fixed, a hole is formed in the connecting groove, then the lead led out in the step (a) is led into the connecting groove from the groove opening of the connecting groove close to the bridge box, then the lead is led out from the hole of the connecting groove, and then the connecting groove is fixed on the bridge body;
and (5) after the light guide plate is installed, electrically connecting the lead wire led out from the hole of the connecting groove in the step (4) with the corresponding light guide plate. Thus, the installation can avoid the danger of electric leakage and the like caused by the exposure of the lead to the outside.
In step (2) of some embodiments, the connecting groove includes an upper inclined plate 7, a vertical plate 8 and a bottom plate 9, and the upper inclined plate, the vertical plate and the bottom plate can all be made of aluminum-plastic plates; the corresponding operation of the step (4) is as follows:
for the overpass stairs, fixing a bottom plate on a bridge body below a base, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); holes are formed in the vertical plate or the upper inclined plate, and the lead led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate;
for the box girder of the overpass, fixing a bottom plate on a bridge body below the square pipe, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); and (b) forming holes in the vertical plate or the upper inclined plate, wherein the lead wire led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate.
Wherein the upper inclined plate is provided with the notch; at the overpass stairs, as shown in fig. 3, the included angle between the bottom plate and the vertical plate and the included angle between the upper inclined plate and the vertical plate are all obtuse angles; at the overpass box girder, the bottom plate is vertical to the vertical plate, and the included angle between the upper inclined plate and the vertical plate is an obtuse angle; the structure ensures that the upper inclined plate is convenient for rainwater to flow away quickly, and avoids accumulation on the bridge body; meanwhile, because the included angle between the bottom plate and the vertical plate at the overpass stairs is an obtuse angle, the bottom plate has a drainage effect on rainwater, so that the rainwater flows along the side wall of the bridge body, and the influence of the rainwater on pedestrians is avoided;
in step (4) of some embodiments, the connecting groove may also be an integrally formed structure, and in step (4), the vertical supporting rod, the chevron-shaped supporting rod, the first stiffening plate and the corresponding notch are sealed by using engineering glue, and the connecting groove and the bridge body are further sealed by using engineering glue. Prevent liquid such as rainwater from entering each structural component, and then influence the life of each structural component.
The connecting piece in step (5) of some embodiments is a connecting pipe, the connecting pipe is used for wiring, the outer side wall of the connecting pipe is provided with two fixing plates, the upper end and the lower end of each fixing plate are both provided with screw holes, and the light guide plate is fixed between the two fixing plates through the screw holes.
The light guide plates at the overhead bridge box beam in the step (5) of some embodiments include a first light guide plate, a second light guide plate, and a third light guide plate, and the 3 light guide plates have widths of 100mm, 200mm, and 300mm, respectively; the light guide plate at the overpass stair comprises a fourth light guide plate and a fifth light guide plate, the width of the fourth light guide plate is smaller than that of the fifth light guide plate, the fourth light guide plate is arranged on the connecting piece and is in a first mountain shape, the fifth light guide plate is arranged on the connecting piece and is in a second mountain shape, and the length of the second mountain shape is smaller than that of the first mountain shape.
The mountain-shaped supporting rods, the vertical supporting rods and the transverse supporting rods are all made of galvanized steel pipes, and the specific size requirement of the galvanized steel pipes is determined by the size of the support, so that the construction safety is guaranteed, and resource waste is avoided.
Claims (10)
1. A method for installing a light guide plate fixing support based on an overpass is characterized by comprising the following steps:
the light guide plate fixing support comprises a base, a connecting groove, a plurality of connecting pieces and m mountain-shaped parts; the connecting piece is rod-shaped;
the mountain-shaped part comprises a plurality of mountain-shaped supporting rods, a plurality of vertical supporting rods and a plurality of transverse supporting rods, and the mountain-shaped supporting rods comprise mountain peak sections and/or valley sections;
the mounting method comprises the following steps:
(1) welding a base on the side wall of the bridge body outside the overpass guardrail, and welding the lower ends of the vertical support rods on the base one by one;
(2) welding a plurality of transverse supporting rods on the vertical supporting rod from low to high along the axial direction of the vertical supporting rod;
(3) welding the mountain-shaped support rods at the upper ends of the vertical support rods one by one, welding each mountain-shaped support rod with the upper end of each vertical support rod below the mountain-shaped support rod, and welding one end or two ends or valley sections of one or n mountain-shaped support rods on the base, wherein n is less than m;
(4) fixing one side of a connecting groove on a bridge body below a base, and fixing the other side of the connecting groove on the bridge body above the base, so that the connecting groove and the bridge body form a channel;
then welding a sealing plate at the connecting groove positioned at the end head, wherein the sealing plate seals the channel to form a cavity;
wherein, a gap is arranged at the connecting groove of the vertical supporting rod and the mountain-shaped supporting rod, and the vertical supporting rod and the mountain-shaped supporting rod are positioned in the corresponding gap;
(5) the lower end of each connecting piece is fixed on the base through a connecting groove, and the upper end of each connecting piece is arranged on a transverse supporting rod or a mountain-shaped supporting rod; and then the light guide plate is arranged on the connecting piece, and the height of the light guide plate is consistent with that of the mountain-shaped supporting rod or is slightly higher than that of the mountain-shaped supporting rod and is in a mountain shape.
2. The mounting method according to claim 1, wherein:
in the step (1), a plurality of vertical rods are welded under a base at the position of the overpass box girder, square tubes are welded at the other ends of the vertical rods, the square tubes are parallel to the base at the position of the overpass box girder, then one ends of a transverse rod and an oblique rod are welded with the square tubes, and the other ends of the transverse rod and the oblique rod are welded with the side wall of the bridge body close to the square tubes, wherein the oblique rod is positioned between the base and the transverse rod; and the vertical rods, the square tubes, the transverse rods and the oblique rods are all positioned in the channels at the box girders of the overpass.
3. The mounting method according to claim 2, wherein:
in the step (5), the connecting piece positioned at the overpass box girder is divided into an upper connecting piece and a lower connecting piece; the lower end of the upper connecting piece is in threaded connection with the base through a connecting groove, and the upper end of the upper connecting piece is in threaded connection with the transverse supporting rod or the mountain-shaped supporting rod; the upper end of the lower connecting piece is fixedly connected with the base through a connecting groove, and the lower end of the lower connecting piece is fixedly connected with the square pipe through the connecting groove.
4. The mounting method according to claim 3, wherein:
in the step (1), welding one end of a first stiffening plate on the base, and welding the other end of the first stiffening plate on the vertical support rod above the connecting groove in the step (4);
correspondingly, in the step (4), notches are formed in the connecting grooves where the first stiffening plates are arranged, and the first stiffening plates are located in the corresponding notches.
5. The mounting method according to claim 4, wherein:
in the step (1), one end of the second stiffening plate is welded on the base, the other end of the second stiffening plate is welded on the vertical supporting rod, and the second stiffening plate is positioned in a channel formed by the corresponding connecting groove and the bridge body in the step (4).
6. The mounting method according to claim 5, wherein:
and (4) reinforcing the gap between the vertical supporting rod and the connecting groove by using concrete, and simultaneously reinforcing the second stiffening plate in the corresponding concrete.
7. The mounting method according to claim 6, wherein:
the method also comprises the step (a) before the step (1): welding an aluminum-plastic plate on the lower surface of the bridge body, fixing bridge boxes on the left side and the right side of the lower surface of the aluminum-plastic plate, arranging wires in the bridge boxes, forming a plurality of openings in the aluminum-plastic plate above the bridge boxes, penetrating the wires out of the openings, and then leading out from between the aluminum-plastic plate and the bridge body;
step (4) also comprises the steps that before the connecting groove and the bridge body are fixed, a hole is formed in the connecting groove, then the lead led out in the step (a) is led into the connecting groove from the groove opening of the connecting groove close to the bridge box, then the lead is led out from the hole of the connecting groove, and then the connecting groove is fixed on the bridge body;
and (5) after the light guide plate is installed, electrically connecting the lead wire led out from the hole of the connecting groove in the step (4) with the corresponding light guide plate.
8. The mounting method according to claim 7, wherein:
in the step (4), the connecting groove comprises an upper inclined plate, a vertical plate and a bottom plate, and the corresponding operation of the step (4) is as follows:
for the overpass stairs, fixing a bottom plate on a bridge body below a base, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); holes are formed in the vertical plate or the upper inclined plate, and the lead led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate;
for the box girder of the overpass, fixing a bottom plate on a bridge body below the square pipe, fixing an upper inclined plate on the bridge body above the base, and welding a vertical plate between the upper inclined plate and the bottom plate, so that the bottom plate, the vertical plate, the upper inclined plate and the bridge body form the channel in the step (4); holes are formed in the vertical plate or the upper inclined plate, and the lead led out in the step (a) is led out from the holes in the vertical plate or the upper inclined plate;
wherein the upper inclined plate is provided with the notch; at the overpass stairs, the included angle between the bottom plate and the vertical plate and the included angle between the upper inclined plate and the vertical plate are obtuse angles; at the overpass box girder, the bottom plate is vertical to the vertical plate, and the included angle between the upper inclined plate and the vertical plate is an obtuse angle; the upper inclined plate, the vertical plate and the bottom plate are all aluminum-plastic plates.
9. The method of installation according to claim 8, wherein:
and (4) integrally forming the connecting groove, wherein in the step (4), the vertical supporting rod, the mountain-shaped supporting rod, the first stiffening plate and the corresponding notch are sealed by adopting engineering glue, and the connecting groove and the bridge body are sealed by adopting engineering glue.
10. The method of installation according to claim 9, wherein:
the light guide plate in the step (5) is based on a DMX512 control system; the connecting piece in step (5) is a connecting pipe, wiring is arranged in the connecting pipe, the outer side wall of the connecting pipe is provided with two fixing plates, screw holes are formed in the upper end and the lower end of each fixing plate, and the light guide plate is fixed between the two fixing plates through the screw holes.
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