CN110387808A - A kind of prefabricated bridge floor affiliated facility ground connections - Google Patents
A kind of prefabricated bridge floor affiliated facility ground connections Download PDFInfo
- Publication number
- CN110387808A CN110387808A CN201910757258.9A CN201910757258A CN110387808A CN 110387808 A CN110387808 A CN 110387808A CN 201910757258 A CN201910757258 A CN 201910757258A CN 110387808 A CN110387808 A CN 110387808A
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- CN
- China
- Prior art keywords
- deflector
- bridge floor
- affiliated facility
- prefabricated bridge
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000009408 flooring Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 210000003205 muscle Anatomy 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of prefabricated bridge floor affiliated facility ground connections, including metal fixing (1), pre-buried mounting base (3), deflector (2), the metal fixing (1) is by the deflector (2) and the pre-buried mounting plate assembly connection, the pre-buried mounting base (3) is embedded in floorings upper surface in advance, the deflector (2) is embedded in prefabricated bridge floor affiliated facility bottom plate in advance, pre-buried mounting base (3) lontitudinal series in floorings, the deflector (2) connect the ground terminal in prefabricated bridge floor affiliated facility.A kind of prefabricated bridge floor affiliated facility ground connections provided by the invention, it is grounded by connector and in floorings internal series-connection, realize that the power generation of bridge floor affiliated facility is integrated, improve ground connection efficiency, realize more good earthing effect, prefabricated bridge floor splicing complexity is reduced, reduces construction period, increases the entirety of prefabricated bridge floor affiliated facility.
Description
Technical field
The present invention relates to public transit facility technical field, in particular to a kind of monoblock type bridge floor affiliated facility grounding connection
Part.
Background technique
Existing railroad bridge generally in prefabricated beam body, prevent by the embedded bar on the flange plate of box beam two sides, cast-in-place concrete
Revetment；Outermost shield is precast construction, pre-buried railing harmony barrier interface and connect reinforcing bar with bridge floor, need to be mixed by cast-in-place
Shield is connect by solidifying soil straight wall with the bridge edge of a wing；Intermediate cable trough straight wall segmentation electric power slot and signal of communication slot, also using existing
Pouring concrete need to do waterproof layer and certain thickness concrete cover in groove body bottom bridge floor exposed position.
This structure and form of construction work are higher to site requirement, while shield structure self weight is very big, needs to put into a large amount of people
Power and template, climate and human factor influence, and pouring construction quality is not easy to guarantee, construction period is longer, furthermore cast-in-place construction
On along thread environment, there is also influences.
A kind of existing prefabricated bridge floor affiliated facility uses monoblock type epsilon-type structure, solves problem above, can directly adopt
It is connect with bolt or other connection types with bridge flange plate, but traditional pre-buried mounting base is tubular structure, intensity is insufficient
To support prefabricated bridge floor affiliated facility made of concrete, while pre-buried a large amount of ground connection are needed inside prefabricated bridge floor affiliated facility
Line, integration is poor, leads to the reduction of steel and concrete structure globality, and possibility of cracks increases.
Patent CN201810104229 discloses the novel mounting structure and its installation method of a kind of electrical cubicle, novel
There is the strip metal fixing piece for being set in concrete in mounting structure, be hollow knot in the strip metal fixing piece
Structure, and the upper end is equipped with the threaded fastener stretched out from the opening, In along opening is axially arranged in the hollow structure
The part of the stretching of threaded fastener is equipped with the nut matched, and the bottom of threaded fastener is stuck in strip metal fixing piece
The lower edge of the opening.But itself use is in mechanical structure, poor for the guided bone of civil engineering, can not solve prefabricated bridge
The realistic problem of face affiliated facility and bridge floor plate earthing.
Therefore a kind of prefabricated bridge floor affiliated facility ground connections are now needed, it can integrate grounding function and floorings linkage function
Connector.
Summary of the invention
The object of the present invention is to provide a kind of integrated ground connection, structure is simple, easy for installation, bearing capacity is good and has good
The connector of the prefabricated bridge floor affiliated facility of good durability.
A kind of prefabricated bridge floor affiliated facility ground connections provided by the invention, including metal fixing, pre-buried mounting base,
Deflector is assemblied in pre-buried mounting base by deflector, metal fixing, and pre-buried mounting base is embedded in floorings upper surface, deflector in advance
It is embedded in prefabricated bridge floor affiliated facility base plate interior in advance and is provided with the through-hole through floor structure, pre-buried mounting base is in floorings
Lontitudinal series, deflector connect the ground terminal of prefabricated bridge floor affiliated facility outer surface.
Pre-buried mounting base lontitudinal series bridge floor affiliated facility generallys use embedded bar on two side wing edge of box beam, cast-in-place coagulation
The structures such as native protecting wall need to calibrate prefabricated affiliated facility water conservancy diversion when prefabricated bridge after using prefabricated bridge is in assembly and connect
Head and bridge floor Board position, assembly difficulty is higher, and using the technical program, connector is integrated with conducting element, effectively reduces
The flow guide system complexity of prefabricated bridge floor affiliated facility simplifies the complexity of production, construction, can effectively shorten the construction period.
Simplify the earth lead inside prefabricated bridge floor affiliated facility simultaneously, be integrated to ground connections, in bridge floor between ground connections
Plate internal bus series connection ground connection, eliminates the earth lead connector being arranged on prefabricated bridge floor affiliated facility longitudinal terminal surface, ensure that pre-
The globality of bridge floor affiliated facility processed.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, pre-buried mounting base packet
Pre-buried mounting seat body and water conservancy diversion cable are included, pre-buried mounting seat body connects water conservancy diversion cable one end, and the water conservancy diversion cable other end is grounded,
Pre-buried mounting seat body includes column mounting base and dowel, and column mounting base upper surface is provided with screw-threaded counterbore, and dowel is L-type,
Dowel is uniformly arranged on column mounting base lower end periphery and contact surface is parallel with column mounting base axis.
Dowel is set in column mounting seat body side, reinforces the anchoring breakout capacity of pre-buried mounting base, it is pre-buried more firm.
Water conservancy diversion cable is connected by pre-buried mounting base and realizes that prefabricated bridge floor affiliated facility conducting system is connect with floorings, by ground terminal
Electric current is collected to bridge floor Board position.Using Ribbed Bar as dowel, made using mechanical snap caused by the cross rib outstanding of surface
With cohesive force between reinforcing steel bar and concrete improves sleeve resistance to plucking bearing capacity.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, metal fixing packet
Include screw rod, water conservancy diversion contact portion, top cover, power transmission gasket, screw rod is set to water conservancy diversion contact portion upper end, and top cover is set to water conservancy diversion contact portion
Upper end, water conservancy diversion contact portion contact deflector, and power transmission gasket is interference fitted with through-hole and by through-hole and water conservancy diversion contact portion, top cover
Bottom position connects power transmission gasket.
Power transmission gasket reduces pressure, prevents from loosening, prevent metal fixing from loosening, reduction is led for increasing contact area
Flowing plate and top cover are worn, and power transmission backing plate equally plays the role of protecting service sleeve.Water conservancy diversion contact portion contacts realization with deflector
Pass to function.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, deflector includes leading
Muscle, flow guide plate body and fixing muscle are flowed, the vertical plate face of flow guide plate body is provided with through-hole, and metal fixing passes through flow guide plate body
Deflector is assemblied in the screw-threaded counterbore of column mounting base, fuisw rib and the equal vertical through hole axis setting of fixing muscle, water conservancy diversion by through-hole
Muscle connects flow guide plate body, and fixing muscle is welded in deflector plate face, and fixing muscle length is greater than flow guide plate body plate face length.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, deflector includes leading
Flowing plate ontology and fixing muscle, the vertical plate face of flow guide plate body are provided with through-hole, the equal vertical through hole axis setting of fixing muscle, fixing muscle
It is welded in deflector plate face, fixing muscle length is greater than flow guide plate body plate face length.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, deflector further includes
Thin-wall steel tube, thin-wall steel tube include lateral steel pipe and vertical steel pipe, and lateral steel pipe is connected with vertical steel pipe L-type and steel duct connects
Logical, vertical steel pipe length is more than or equal to deflector height, and lateral steel pipe is arranged in deflector bottom surface.
Thin-wall steel tube by thin-wall steel tube slip casting when prefab-form, fills up interior bone, through-hole is straight as reserved grout hole
Diameter is greater than metal fixing diameter, avoids installation question caused by error.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, fuisw rib one end is set
It is placed in deflector side, the fuisw rib other end is connect with ground terminal.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, fixing muscle is " well "
Font setting, through-hole are set to " well " font center.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, inside and outside power transmission gasket
Diameter is less than or equal to deflector internal-and external diameter, passes through deflector convenient for metal fixing, is assemblied in pre-buried mounting base.
A kind of prefabricated bridge floor affiliated facility ground connections of the present invention, it is preferred that, column installs seat pillar
It is provided with the annular projection concentric with column mounting base of at least one axial arranging on shape side wall, enhances pre-buried mounting base axis
Upward bearing capacity.
Ground connections prefabrication step includes:
S1. deflector is positioned on prefabricated bridge floor affiliated facility exterior sheathing；
S2. ground rebar is welded, realizes series connection after the completion of pouring inside prefabricated bridge floor affiliated facility；
S3. prefabricated bridge floor affiliated facility test specimen is tightened metal fixing, is led inside prefabricated bridge floor affiliated facility after bridge location
It flows muscle and beam body realizes connection.
Prefabricated bridge floor affiliated facility involved in this ground connections, including protecting wall, straight wall, abutment wall and bottom plate, protection
Wall and abutment wall are respectively arranged at bottom plate both ends, and straight wall is set between protecting wall and abutment wall, protecting wall, straight wall, and abutment wall is successively in
" mountain " font is set on bottom plate.
Ground connections are respectively arranged at the bottom plate position on the inside of protecting wall and abutment wall, each prefabricated bridge floor affiliated facility abutment wall
With two connectors of each installation on the inside of protecting wall.Being provided in protecting wall medial connection specification is M30, connection on the inside of abutment wall
Part specification is M24.Prefabricated bridge floor affiliated facility is internally provided with structure reinforcing bars and pre-buried ground rebar, each abutment wall, protecting wall,
Ground terminal is provided with outside straight wall, abutment wall ground terminal is set to abutment wall top, and ground terminal connects one and is set to abutment wall
Internal earth lead earth lead overlaps M24 ground connections, and the fixing muscle that M24 ground connections are laterally arranged is simultaneously
To fixed and conduction, realization conducts the electric current of abutment wall side to protecting wall side, protecting wall side M30 ground connections fixing muscle
Receive conduction electric current, M30 deflector be arranged in side fuisw rib be upward L-type, L-type fuisw rib connect protecting wall upper end and
The ground terminal of protecting wall lateral surface, thus each ground terminal comes together in M30 ground connections position, by M30 ground connections
Metal fixing conduction causes the pre-buried mounting base in beam body.
Each pre-buried mounting base passes through longitudinal earth lead series connection that floorings are arranged in, while setting between longitudinal earth lead
It is equipped with the ground rebar relative to beam body transverse direction.A whole set of earthed system is grounded by the ground line network implementations inside beam body to be connected
The current direction of fitting is integrated, and conductive to the ground.It can be effective from there through the earth lead and ground connections of floorings
The ground line complexity inside prefabricated bridge floor affiliated facility is reduced, realizes ground line integrating in prefabricated components, greatly
Reduce assembly difficulty and ground connection efficiency.
A kind of connector of prefabricated bridge floor affiliated facility provided by the present invention, has the beneficial effect that:
(1) by connector ground connection and in floorings internal series-connection, realize that the power generation of bridge floor affiliated facility is integrated, raising connects
Ground efficiency realizes more good earthing effect；
(2) it is grounded by connector, realizes prefabricated bridge floor affiliated facility simplicity connection, it is complicated to reduce prefabricated bridge floor splicing
Property, reduce construction period；
(3) it is grounded by connector and realizes ground rebar quantity required inside the prefabricated bridge floor affiliated facility of reduction, increased
The globality of prefabricated bridge floor affiliated facility；
(4) dowel is arranged in pre-buried mounting base side wall, reinforces sleeve bearing capacity, dowel structure is simple, easily manufactured；
(5) setting thin-wall steel tube is as reserved grout hole, by thin-wall steel tube slip casting when prefab-form, fills up internal logical
Hole, through-hole diameter are greater than metal fixing diameter, avoid installation question caused by error.
Detailed description of the invention
Fig. 1 is a kind of prefabricated bridge floor affiliated facility ground connections schematic diagram；
Fig. 2 is a kind of prefabricated bridge floor affiliated facility ground connections metal fixing schematic diagram；
Fig. 3 is a kind of prefabricated 1 deflector schematic top plan view of bridge floor affiliated facility ground connections embodiment；
Fig. 4 is a kind of prefabricated 1 deflector schematic front view of bridge floor affiliated facility ground connections embodiment；
Fig. 5 is a kind of prefabricated 2 deflector schematic top plan view of bridge floor affiliated facility ground connections embodiment；
Fig. 6 is a kind of prefabricated 2 deflector schematic front view of bridge floor affiliated facility ground connections embodiment；
Fig. 7 is a kind of prefabricated pre-buried mounting base schematic diagram of bridge floor affiliated facility ground connections；
Fig. 8 is a kind of prefabricated bridge floor affiliated facility ground connections mounting seat body schematic diagram；
Fig. 9 is a kind of prefabricated bridge floor affiliated facility ground connections thin-wall steel tube schematic diagram；
Figure 10 is a kind of prefabricated bridge floor affiliated facility ground connections embodiment schematic diagram.
Appended drawing reference:
1, metal fixing；11, screw rod；12, water conservancy diversion contact portion；13, top cover；14, power transmission gasket；2, deflector；21, it leads
Flow muscle；22, flow guide plate body；23, fixing muscle；24, thin-wall steel tube；241, lateral steel pipe；242, vertical steel pipe；3, pre-buried installation
Seat；31, pre-buried mounting seat body；311, column mounting base；312, dowel；32, water conservancy diversion cable；01, floorings；02, prefabricated bridge
Face affiliated facility；021, ground terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1
As shown in Figure 1, a kind of prefabricated bridge floor affiliated facility ground connections, including metal fixing 1, pre-buried mounting base 3,
Deflector 2 is assemblied in pre-buried mounting base 3 by deflector 2, metal fixing 1, and pre-buried mounting base 3 is embedded in table on floorings 01 in advance
Face, deflector 2 are embedded in prefabricated 02 base plate interior of bridge floor affiliated facility in advance and are provided with the through-hole through floor structure, pre-buried installation
Seat 3 lontitudinal series, deflector 2 in floorings 01 connect the ground terminal 021 of prefabricated 02 outer surface of bridge floor affiliated facility.
As shown in Fig. 2, metal fixing 1 includes screw rod 11, water conservancy diversion contact portion 12, top cover 13, power transmission gasket 14, screw rod 11
It is set to 12 upper end of water conservancy diversion contact portion, top cover 13 is set to 12 upper end of water conservancy diversion contact portion, and water conservancy diversion contact portion 12 contacts deflector 2,
Power transmission gasket 14 is interference fitted with through-hole and by through-hole and water conservancy diversion contact portion 12, and the bottom of top cover 13 position connects power transmission
Gasket 14.
The screw rod 11 and water conservancy diversion contact portion 12 of metal fixing 1 are total to long 180mm, and screw rod 11 is 80mm long, and metal fixing 1 is adopted
With 40Cr modifier treatment, quenched rear hardness reaches HRC32 ± 2, and metal fixing 1 passes through multi-component alloy co-cementation.Specification is M24.
As shown in figs. 34, deflector 2 includes flow guide plate body 22, fixing muscle 23 and thin-wall steel tube 24, flow guide plate body
22 vertical plate faces are provided with through-hole, the setting of the equal vertical through hole axis of fixing muscle 23, and fixing muscle 23 is welded in 2 plate face of deflector, Gu
23 length of muscle is determined greater than 22 plate face length of flow guide plate body.Thin-wall steel tube 24 includes lateral steel pipe 241 and vertical steel pipe 242, cross
It is connected to steel pipe 241 with vertical steel pipe 242L type and steel duct is connected to, it is high that 242 length of vertical steel pipe is more than or equal to deflector 2
Degree, lateral steel pipe 241 are arranged in 2 bottom surface of deflector.
Deflector 2 is 140mm long, wide 120mm, high 16mm.2 material of deflector is Q355, the chemical component of material, machinery
Mechanical property should meet the regulation of GB700-88 " structural carbon steel "；It is fixed using mold between pre-buried mounting base and pre-buried backing plate
Position is fully welded after fixing；Requirement for anticorrosion: multi-component alloy co-cementation.
As shown in figure 5, pre-buried mounting base 3 includes pre-buried mounting seat body 31 and water conservancy diversion cable 32, pre-buried mounting seat body
31 connection 32 one end of water conservancy diversion cable, 32 other end of water conservancy diversion cable ground connection, pre-buried mounting seat body 31 include 311 He of column mounting base
Dowel 312,311 upper surface of column mounting base are provided with screw-threaded counterbore, and dowel 312 is L-type, and dowel 312 is uniformly arranged on column
311 lower end periphery of mounting base and contact surface is parallel with 311 axis of column mounting base.Pre-buried mounting base 3 is quenched using 45 steel, quenched
Hardness reaches HRC31 ± 2 afterwards.Pre-buried mounting base 3 passes through multi-component alloy co-cementation, and column mounting base 311 is 150mm long, pre-buried installation
Seat 31 overall length 175mm of ontology, wherein dowel is by top to bottom end in the long 110mm of vertical direction.
Embodiment 2
As shown in Figure 1, a kind of prefabricated bridge floor affiliated facility ground connections, including metal fixing 1, pre-buried mounting base 3,
Deflector 2 is assemblied in pre-buried mounting base 3 by deflector 2, metal fixing 1, and pre-buried mounting base 3 is embedded in table on floorings 01 in advance
Face, deflector 2 are embedded in prefabricated 02 base plate interior of bridge floor affiliated facility in advance and are provided with the through-hole through floor structure, pre-buried installation
Seat 3 lontitudinal series, deflector 2 in floorings 01 connect the ground terminal 021 of prefabricated 02 outer surface of bridge floor affiliated facility.
As shown in Fig. 2, metal fixing 1 includes screw rod 11, water conservancy diversion contact portion 12, top cover 13, power transmission gasket 14, screw rod 11
It is set to 12 upper end of water conservancy diversion contact portion, top cover 13 is set to 12 upper end of water conservancy diversion contact portion, and water conservancy diversion contact portion 12 contacts deflector 2,
Power transmission gasket 14 is interference fitted with through-hole and by through-hole and water conservancy diversion contact portion 12, and the bottom of top cover 13 position connects power transmission
Gasket 14.
Metal fixing 1 is M30 specification, and screw rod 11 and water conservancy diversion contact portion 12 are total to long 240mm, 90mm long, the metal of screw rod 11
Fixing piece 1 uses 40Cr modifier treatment, and quenched rear hardness reaches HRC32 ± 2, and metal fixing 1 passes through multi-component alloy co-cementation.
As shown in Fig. 5~6, deflector 2 includes fuisw rib 21, flow guide plate body 22, fixing muscle 23 and thin-wall steel tube 24, is led
The vertical plate face of flowing plate ontology 22 is provided with through-hole, and metal fixing 1 passes through 22 through-hole of flow guide plate body and deflector 2 is assemblied in column
The screw-threaded counterbore of shape mounting base 311, fuisw rib 21 and the setting of the equal vertical through hole axis of fixing muscle 23, fuisw rib 21 connect deflector
Ontology 22, fixing muscle 23 are welded in 2 plate face of deflector, and 23 length of fixing muscle is greater than 22 plate face length of flow guide plate body.Steel Thin-Wall
Pipe 24 includes lateral steel pipe 241 and vertical steel pipe 242, and lateral steel pipe 241 is connected with vertical steel pipe 242L type and steel duct connects
Logical, 242 length of vertical steel pipe is more than or equal to 2 height of deflector, and lateral steel pipe 241 is arranged in 2 bottom surface of deflector.Fuisw rib 21
One end is set to 2 side of deflector, and 21 other end of fuisw rib is connect with ground terminal.Fixing muscle 23 is the setting of " well " font, is led to
Hole is set to " well " font center.
Deflector long 150mm, wide 130mm, thick 20mm.2 material of deflector is Q355, the chemical component of material, machinery
Mechanical property should meet the regulation of GB700-88 " structural carbon steel "；It is fixed using mold between pre-buried mounting base and pre-buried backing plate
Position is fully welded after fixing；Requirement for anticorrosion: multi-component alloy co-cementation.
As shown in figure 5, pre-buried mounting base 3 includes pre-buried mounting seat body 31 and water conservancy diversion cable 32, pre-buried mounting seat body
31 connection 32 one end of water conservancy diversion cable, 32 other end of water conservancy diversion cable ground connection, pre-buried mounting seat body 31 include 311 He of column mounting base
Dowel 312,311 upper surface of column mounting base are provided with screw-threaded counterbore, and dowel 312 is L-type, and dowel 312 is uniformly arranged on column
311 lower end periphery of mounting base and contact surface is parallel with 311 axis of column mounting base.Pre-buried mounting base 3 is quenched using 45 steel, quenched
Hardness reaches HRC31 ± 2 afterwards.Pre-buried mounting base 3 passes through multi-component alloy co-cementation, and column mounting base 311 is 200mm long, pre-buried installation
Seat 31 overall length 305mm of ontology, wherein dowel is by top to bottom end in the long 210mm of vertical direction.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of prefabricated bridge floor affiliated facility ground connections, it is characterised in that: including metal fixing (1), pre-buried mounting base
(3), deflector (2), the deflector (2) is assemblied in the pre-buried mounting base (3) by the metal fixing (1), described pre-
It buries mounting base (3) and is embedded in floorings (01) upper surface in advance, the deflector (2) is embedded in prefabricated bridge floor affiliated facility (02) bottom plate in advance
Internal and be provided with through-hole through floor structure, the pre-buried mounting base (3) is in the floorings (01) interior lontitudinal series, institute
State the ground terminal (021) that deflector (2) connect prefabricated bridge floor affiliated facility (02) outer surface.
2. a kind of prefabricated bridge floor affiliated facility ground connections according to claim 1, it is characterised in that: the pre-buried peace
Dress seat (3) includes pre-buried mounting seat body (31) and water conservancy diversion cable (32), is led described in pre-buried mounting seat body (31) connection
Streamline cable (32) one end, water conservancy diversion cable (32) other end ground connection, the pre-buried mounting seat body (31) include column installation
Seat (311) and dowel (312), column mounting base (311) upper surface are provided with screw-threaded counterbore, and the dowel (312) is L
Type, the dowel (312) are uniformly arranged on column mounting base (311) lower end periphery and contact surface and the column mounting base
(311) axis is parallel.
3. a kind of prefabricated bridge floor affiliated facility ground connections according to claim 2, it is characterised in that: the metal is solid
Determining part (1) includes screw rod (11), water conservancy diversion contact portion (12), top cover (13) and power transmission gasket (14), and the screw rod (11) is set to
Water conservancy diversion contact portion (12) upper end, the top cover (13) are set to water conservancy diversion contact portion (12) upper end, the water conservancy diversion contact
Portion (12) contacts the deflector (2), and the power transmission gasket (14) with the water conservancy diversion is contacted with through-hole and by the through-hole
Portion (12) interference fit, top cover (13) bottom position connect the power transmission gasket (14).
4. described in any item a kind of prefabricated bridge floor affiliated facility ground connections according to claim 1~3, it is characterised in that:
The deflector (2) includes fuisw rib (21), flow guide plate body (22) and fixing muscle (23), and the flow guide plate body (22) is vertical
Plate face is provided with through-hole, and the metal fixing (1) passes through the flow guide plate body (22) through-hole and assembles the deflector (2)
In the screw-threaded counterbore of the column mounting base (311), the fuisw rib (21) and the vertical through-hole of the fixing muscle (23)
Axis setting, the fuisw rib (21) connect the flow guide plate body (22), and the fixing muscle (23) is welded in the deflector
(2) plate face, fixing muscle (23) length are greater than the flow guide plate body (22) plate face length.
5. described in any item a kind of prefabricated bridge floor affiliated facility ground connections according to claim 1~3, it is characterised in that:
The deflector (2) includes flow guide plate body (22) and fixing muscle (23), and the vertical plate face of the flow guide plate body (22) is provided with
Through-hole, the vertical through-bore axis setting of the fixing muscle (23), the fixing muscle (23) are welded in the deflector (2) plate
Face, fixing muscle (23) length are greater than the flow guide plate body (22) plate face length.
6. according to a kind of described in any item prefabricated bridge floor affiliated facility ground connections of claim 4~5, it is characterised in that:
The deflector (2) further includes thin-wall steel tube (24), and the thin-wall steel tube (24) includes lateral steel pipe (241) and vertical steel pipe
(242), the lateral steel pipe (241) connects with the vertical steel pipe (242) L-type and steel duct is connected to, the vertical steel pipe
(242) length is more than or equal to the deflector (2) height, and the transverse direction steel pipe (241) is arranged to be gone to the bottom in the deflector (2)
Face.
7. according to a kind of described in any item prefabricated bridge floor affiliated facility ground connections of claim 4~5, it is characterised in that:
Described fuisw rib (21) one end is set to the deflector (2) side, fuisw rib (21) other end and the ground terminal
Connection.
8. a kind of prefabricated bridge floor affiliated facility ground connections according to claim 4, it is characterised in that: the fixing muscle
(23) it is arranged for " well " font, the through-hole is set to " well " the font center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910757258.9A CN110387808A (en) | 2019-08-16 | 2019-08-16 | A kind of prefabricated bridge floor affiliated facility ground connections |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757258.9A CN110387808A (en) | 2019-08-16 | 2019-08-16 | A kind of prefabricated bridge floor affiliated facility ground connections |
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| CN110387808A true CN110387808A (en) | 2019-10-29 |
Family
ID=68288954
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910757258.9A Pending CN110387808A (en) | 2019-08-16 | 2019-08-16 | A kind of prefabricated bridge floor affiliated facility ground connections |
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| CN111576251A (en) * | 2020-06-16 | 2020-08-25 | 中国铁路设计集团有限公司 | Construction method for on-site assembly of integral bridge deck system |
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