CN108755442A - Guiding and positioning device for the installation of heavy steel member high-altitude - Google Patents
Guiding and positioning device for the installation of heavy steel member high-altitude Download PDFInfo
- Publication number
- CN108755442A CN108755442A CN201810953223.8A CN201810953223A CN108755442A CN 108755442 A CN108755442 A CN 108755442A CN 201810953223 A CN201810953223 A CN 201810953223A CN 108755442 A CN108755442 A CN 108755442A
- Authority
- CN
- China
- Prior art keywords
- guide
- steel member
- guide plate
- installation
- positioning
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 155
- 239000010959 steel Substances 0.000 title claims abstract description 155
- 238000009434 installation Methods 0.000 title claims abstract description 68
- 230000009471 action Effects 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 9
- 230000006698 induction Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 18
- 239000004567 concrete Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 239000011150 reinforced concrete Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 2
- 229910000725 T1 high speed steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of guiding and positioning device for the installation of heavy steel member high-altitude, including mounting surface and the steel member being mounted on mounting surface, at least one set of guide plate has been evenly arranged on mounting surface, the guide plate includes guide surface, positioning surface and joint face, guide surface is the inclined surface that angle of inclination is 30 ~ 90 °, the height of the distance from top mounting surface of guide surface is 50~100mm, the guide surface of same group of guide plate forms conical horn mouth or half-cone bell-mouth structure of air, and the guide surface of same group of guide plate at least forms a guide range more than zero；Guide plate plays steel member the positioning action of the both direction in mounting surface single plane.The present invention provides a kind of guiding and positioning device for the installation of heavy steel member high-altitude, guiding guiding is carried out using the guide plate of setting inclined guide surface, utilize component gravity during the decline, the positioning surface of automatic induction installation component enters in the limiting slot of setting, realizes automatic capturing positioning.
Description
Technical field
The present invention relates to technical field of bridge engineering more particularly to cable-stayed bridge, Suspension Bridge Tower tower top steel member installation necks
Domain, more particularly to a kind of guiding and positioning device for the installation of heavy steel member high-altitude.
Background technology
Modern large-scale construction engineering is more focused on landscape effect, is often required that while expanding function and practicability
Become local landmark building after building up, forms the ornamental landscape and landscape in place.Template relative to armored concrete is applied
Work, steel construction are easier to be fabricated to the special-shaped spatial geometric shape of fusion native element.Therefore, on the top of reinforced concrete building
End, can be arranged the allosome moulding of steel construction, more and more be applied.High-altitude install large-scale steel structure members, lifting operation by
Large scale hoisting machinery undertakes, and it is one of key technology of installation process to be oriented to and be accurately positioned.
The prior art use orientation method be：Traction guiding is carried out with guide rope, position in place is limited with positioning plate
It sets.During component declines, the auxiliary of the operating personnel on mounting platform of standing will be pushed in structural member above positioning plate, slowly
Decline makes component enter positioning Board position.Specific practice is as follows：
It is fastened in steel member protruding parts using three guide ropes, binding is firm and does not interfere with installation process in place.Three
Root guide rope 120 ° of interval surrounding arrangement in mounting plane (horizontal plane vertical with gravity direction), in component along gravity direction
During decline, three department's Suo works guiding elements decline to designated position：Three people weigh firmly when component along gravity direction decline；
When needing to an orientation adjustment, which slightly increases tractive force, and in addition 2 people (or 1 people) release certain length
The displacement of rope mating component, arrival hauls again after requiring position, 3 people balanced pulling force holding member stable equilibrium again.Three
People's close fit makes component be adjusted to again slowly decline above positioning plate；When reaching proper height, operating personnel on mounting platform
Auxiliary is to positive positioning plate, until entering positioning plate defined position.According to the difference of component size and shape, guide rope configuration
Quantity be not quite similar with orientation.For rectangular member, four guide ropes are arranged in quadrangle, and guide rope tensioning position passes through component
Center of gravity and four directions is symmetrically, it is easier to descent direction and holding member be guided to stablize.The mode of guide rope arrangement can also adopt
With Straight pull, staggered form etc..The adjustment to component direction and stability control is more easily done in wherein four rope staggered forms.
Positioning plate is divided by shape and arrangement, common are two kinds：Inverse Ba type and v-groove type, structure all compare
Simply.
Inverse Ba type positioning plate is made of rectangle steel plate four identical pieces of, and every block of steel plate processes a long side, two blocks of steel
Plate processing side is adjacent to pairing and uses, to positive reference plane when as installation.In steel member factory it is pre-assembled after the assay was approved, along installation
The horizontal parting line of internode, every group of (two pieces) positioning plate processing side overlaps certain length and is staggeredly arranged up and down, and is inclined outwardly
30 °~60 °, in the other side of the vertical plane center line of structural member, it is equally arranged symmetrically one group of positioning plate, in four pieces of this face positioning plate
Interlock up and down, the inverted "eight" shape shape of symmetrical composition two staggeredly.Two pieces of upper section more than parting line with upper section structure
Part is integrally welded, and two pieces of lower section are integrally welded with lower section below parting line.The vertical plane of structural member front, rear, left and right four
So eight groups of positioning plates of arrangement, lateral, longitudinal and short transverse position of horizontal mounting surface when just defining high-altitude installation
It sets, to achieve the purpose that internode positions.Because of inverse Ba type positioning plate processing side " up big and down small " of composition, when upper section declines
When to positioning plate intersection, processing side can guide section accurate in place.
V-groove type positioning plate, equally by upper and lower two pieces of groups to using.It is upper block-shaped as one is fallen " convex " font steel plate, under
It is block-shaped as " character cut in bas-relief " shape steel plate, prominent with recessed part is identical isosceles trapezoid.For ensure be accurately positioned to bevel edge into
The necessary mechanical processing of row, ensure up and down with the use of when be in close contact it is seamless be adjacent to, other corresponding adjacent edges reserve centainly
Gap not influence to position.Upper and lower two pieces of positioning plates pairing uses, and structural member to be mounted is being needed to save above and below on parting line,
Upper and lower block is welded with counterpart member respectively, and two groups are symmetrically arranged along each vertical plane center line.Structural member it is forward and backward,
Left and right four vertical planes arrange eight groups of positioning plates altogether, lateral, the longitudinal direction of horizontal mounting surface, Yi Jigao when just defining high-altitude installation
The position for spending direction, to reach the purpose of internode positioning.
By above-mentioned as can be seen that existing guiding, localization method：It is to carry out rough guiding to be oriented to wire saws to look for
Just, it would be desirable to which the steel member of installation is probably adjusted to the upper surface of positioning plate, with declining slowly for component, then relies on installation personnel
Human assistance pushes and pulls the positioning plate of member bottom section into the inclined-plane for the positioning plate setting for needing to match, with falling for component
So that upper and lower positioning plate is coordinated, realizes that the installation of upper and lower component is in place.
There are disadvantages：The mounting operation platform limited area that is arranged when high-altitude is installed, the angle formed with gravity direction compared with
Small, the pulling force that traction large-scale component needs when shifting is larger, and there are larger security risks for department's Suo works operation；Equally, auxiliary is in place
Installation personnel push-and-pull decline component enter positioning plate setting positioning inclined-plane when, there is also larger security risks.Because high
Idle job operating personnel need the moment to pay attention to inherently safe, singlehanded can only generally work, the hand-tight handrailing of another ensures safety.
Therefore, working efficiency is relatively low, the activity duration is long and there are larger security risks.
Invention content
It is an object of the invention to overcome in above-mentioned existing cable-stayed bridge, the installation of Suspension Bridge Tower tower top steel member using guiding
Working efficiency is relatively low, the activity duration is long and there are larger security risks existing for the method for the rough guiding centering of wire saws progress
The shortcomings that and a kind of guiding and positioning device for the installation of heavy steel member high-altitude is provided, led using setting inclined guide surface
Carry out guiding guiding to plate, the horn mouth of a taper is arranged in the top of mounting surface in guide plate, using component decline mistake
Gravity in journey, the automatic positioning surface for inducing installation component enter in the limiting slot of setting, realize automatic capturing positioning.
To achieve the goals above, the present invention adopts the following technical scheme that：One kind is installed for heavy steel member high-altitude
Guiding and positioning device, which includes mounting surface and the steel member that is mounted on mounting surface, the uniform cloth on mounting surface
It is equipped at least one set of guide plate, guide plate is played guides effect in place to the fixed knot or partition board of steel member；The guiding
Plate includes guide surface, the positioning surface above mounting surface for being positioned to the fixed knot or partition board of steel member to be installed and
Joint face for fixing, guide surface are the inclined surface that angle of inclination is 30~90 °, the height of the distance from top mounting surface of guide surface
Degree is 50~100mm, and the guide surface of same group of guide plate forms conical horn mouth or half-cone bell-mouth structure of air, same group of guiding
The guide surface of plate at least forms a guide range more than zero；Guide plate plays in mounting surface single plane steel member
The positioning action of both direction.
The guide plate be basic model guide plate, basic model guide plate be ladder structure of right angle, ladder structure of right angle it is oblique
Waist is guide surface, and the upper end of the upper bottom surface of ladder structure of right angle is positioning surface, and lower end is joint face, between positioning surface and joint face
For perpendicular to the mounting surface of positioning surface, the end set that positioning surface connects with joint face is welded across welding groove, joint face with steel member
It connects.
The guide plate is vertically-guided type guide plate, and guide plate is ladder structure of right angle, and oblique waist is guide surface, upper bottom surface
For positioning surface, straight waist is joint face, and joint face is vertically fixed on mounting surface, which is used for vertically-guided.
The guide plate is oriented type guide plate, and guide plate is irregular polygonized structure, polygonized structure
Lower end is horizontal joint face, and joint face is mounted on steel member, and positioning surface is obliquely installed, which is used for oriented.
It is provided with one group of basic model guide plate being oriented to the fixed knot of steel member to be installed on mounting surface, is oriented to
Plate is fixed at the surrounding for the steel member fixed knot that installation is complete below mounting surface, and the guide surface of all guide plates forms upper end
The small conical horn mouth in big lower end is guided by the fixed knot to steel member surrounding and realizes that the lifting of steel member is in place.
Be provided on mounting surface two groups to inside steel member two diaphragm plates and two midfeathers guide it is in place
Four diaphragm plate guide plates are arranged in guide plate, two diaphragm plates insides, and diaphragm plate is to be obliquely installed, and four diaphragm plate guide plates are adopted
Angle of inclination with oriented type guide plate, the guide surface of two diaphragm plate guide plates of homonymy is identical, wherein the cross of side
The angle of inclination of the guide surface of partition board guide plate is 90 °, and the guide surface of four diaphragm plate guide plates forms the small lower end in half of upper end
Big conical horn mouth.
It is provided with an arc-shaped transitional surface between guide surface and positioning surface that angle of inclination is 90 ° and carries out transition.
The joint face of vertically-guided type guide plate is vertically welded on basic seat board, and basic seat board is arranged symmetrically in mounting surface
On, guide surface forms a conical horn mouth on mounting surface, conical horn mouth it is big top and small bottom, by steel member list
The internal partition in a direction, which guides, realizes that the lifting of steel member is in place.
It is separately installed with mating locating piece on two steel members, protrusion is provided on the locating piece on upper steel member,
Be arranged on locating piece on lower steel member it is fluted, protrusion with groove is seamless is close to play the longitudinal register to steel member.
The groove and protrusion are V-structure, the protrusion of V-type be inserted into it is seamless in the groove of V-type be close to, groove upper end is big
Lower end is small.
The good effect that technical scheme of the present invention generates is as follows：The guiding of the present invention is with positioning device in the upper of mounting surface
The horn mouth of one back taper of side's setting, lower part are connected with mounted steel construction, and certain altitude is stretched out on top, supports out
One guiding end face for being more than installation ontology end face；It is oriented to end face and forms a conical horn mouth with mounting surface；To be installed
Steel member ontology, as long as entering in " be oriented to end face " range, in mounting surface there are in the case of deviation, installation component can be into
Row declines, and under the guiding on gravity and back taper inclined-plane, realizes that automatic capturing is in place.
Different types of guide plate is used according to different installation situations, such as the steel knot being oriented to side wall or partition board
Component carries out guide-localization by basic model guide plate；It is connected and fixed the vertical using bottom surface connection of section vertically-guided with bottom surface
Guidance type guide plate；The use bottom surface that section oriented is connected and fixed with bottom surface connects oriented type guide plate.
The effect of guide plate only defines that the located lateral of mounting surface, steel construction piece vertical height are also needed to using positioning
Plate is defined.In implementation process, guide plate is usually used cooperatively with locating piece, and guide plate is responsible for will be in certain deviation range
Installation part guide into the groove of locating piece, continue to decline with installation part, convex, recessed locating slot realizes cooperation docking, from
And reach being accurately positioned for installation part.
The present invention's is guide locating device provided, by the way that guide surface is arranged in 90 ° of directions of locating piece positioning surface, on mounting surface
It is rectangular at a horn mouth, when the bottom surface of steel member to be installed is stablized in the guide range that horn mouth set, you can progress
Slowly decline, realizes that automatic butt reaches tight fit, is accurately positioned with locating piece under the guiding of guide surface.With the prior art
Guiding wire saws compare, reduce installation support staff quantity, improve work efficiency, shorten that the activity duration is long, increases
The safety and reliability of high-altitude installation.This kind of orientation method is suitable for the installation of concrete pedestal and steel construction piece；
The high-level installation etc. after making of large-scale steel structure merogenesis.According to the design feature of installation part, various deformation can be carried out, is tied
Structure is simple, adaptable, is suitble to promote and apply in high-altitude is installed.
Description of the drawings
Fig. 1 is the structural schematic diagram of basic model guide plate of the present invention.
Fig. 2 is the structural schematic diagram of the present invention upper locating piece and lower locating piece.
Fig. 3 is the stereochemical structure signal of guide plate and lower the locating piece installation of steel member segment in the embodiment of the present invention one
Figure.
Fig. 4 is the left view structural representation of guide plate and lower the locating piece installation of steel member segment in the embodiment of the present invention one
Figure.
Fig. 5 is the plan structure signal of guide plate and lower the locating piece installation of steel member segment in the embodiment of the present invention one
Figure.
Fig. 6 is the dimensional structure diagram of upper steel member and the installation docking of lower steel member in the embodiment of the present invention one.
Fig. 7 is the left view structural representation of upper steel member and the installation docking of lower steel member in the embodiment of the present invention one.
Fig. 8 is the structural schematic diagram of vertically-guided type guide plate of the present invention.
Fig. 9 is basic seat board is stood with what guide plate was installed on mounting surface at the top of concrete segment tower body in the embodiment of the present invention two
Body structural schematic diagram.
Figure 10 is basic seat board and guide plate installation on mounting surface at the top of concrete segment tower body in the embodiment of the present invention two
Side structure schematic view.
Figure 11 is that basic seat board is bowed with what guide plate was installed on mounting surface at the top of two concrete segment tower body of the embodiment of the present invention
Depending on structural schematic diagram.
Figure 12 is that steel member is mounted on the dimensional structure diagram on concrete segment tower body in the embodiment of the present invention two.
Figure 13 is the structural schematic diagram of basic seat board in the embodiment of the present invention two.
Figure 14 is the merogenesis figure of tower top structure in the embodiment of the present invention three.
Figure 15 is one of the schematic diagram of the segments T1 lower end transverse and longitudinal partition board in the embodiment of the present invention three.
Figure 16 is two of the schematic diagram of the segments T1 lower end transverse and longitudinal partition board in the embodiment of the present invention three.
Figure 17 is the sectional view of A-A in Figure 16.
Figure 18 is the sectional view of B-B in Figure 16.
Figure 19 is the dimensional structure diagram that tower top mounting surface guide plate is installed in the embodiment of the present invention three.
Figure 20 is the overlooking structure diagram that tower top mounting surface guide plate is installed in the embodiment of the present invention three.
Figure 21 is the structural schematic diagram of the guide plate of the segments tower top mounting surface T1 midfeather in the embodiment of the present invention three.
Figure 22 is the structural schematic diagram of the guide plate of the segments tower top mounting surface T1 diaphragm plate in the embodiment of the present invention three.
Figure 23 is the scheme of installation of guide plate on the segments T1 in the embodiment of the present invention three.
Figure 24 is the schematic diagram of guide plate in the embodiment of the present invention three, fixed code plate and the segments T1 and the welding of the segments T2.
Figure 25 is the upper locating piece used when the segments T1 and the segments T2 are installed in the embodiment of the present invention three and lower locating piece
Schematic diagram.
Figure 26 is guide plate on the segments T1 in the embodiment of the present invention three and lower locating piece floor map.
It is labeled as in figure：1, guide plate；2, guide surface；3, positioning surface；4, joint face；5, mounting surface；6, across weld seam slot；7,
Lower positioning plate；8, upper location-plate；9, V-type protrusion；10, V-type groove；11, fixed knot；12, basic seat board；121, base plate；
122, reinforcing bar；13, concrete segment tower body；14, midfeather；15, diaphragm plate；16, fixed pressure code plate；17, arc transiting surface；18,
Left side guide plate；19, right side guide plate.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated technical scheme of the present invention.
Embodiment one
A kind of guiding and positioning device for the installation of heavy steel member high-altitude, as shown in figs. 1-7, including lower end lifting is just
Rectangular bar of steel component and the upper end rectangular bar of steel component in place to be installed of position (are known as lower steel member and upper steel structure separately below
Part), the surrounding of upper and lower steel member is fixed knot 11, and uniform welding is oriented on the fixed knot of the surrounding of lower steel member mounting surface
Plate 1, guide plate include inclined guide surface 2, are used for the positioning surface 3 and and fixed knot of the positioning of two steel members above mounting surface
Connected joint face 4 forms the horn mouth of taper, under horn mouth upper end is big after all guide plate installations in the top of mounting surface 5
It holds small.Guide plate specific practice is：By the rectangle steel plate of one piece of suitable thickness, a right angle excision forms a band oblique angle
Pentagon steel plate, the angle of bevel edge and long side is set in 30 °~90 ° ranges.The guide plate of the present embodiment is oriented to for basic model
Plate is ladder structure of right angle, and the oblique waist of ladder structure of right angle is guide surface, and the upper end of the upper bottom surface of ladder structure of right angle is positioning
Face, lower end are joint face, for perpendicular to the mounting surface of positioning surface, positioning surface connects with joint face between positioning surface and joint face
Across welding groove 6, joint face is welded and fixed end set with steel member.
Easily sliding and positioning, bevel edge carry out necessary mechanical processing with remaining short side when in order to ensure to be oriented to, and ensure
Working face it is smooth.The guide plate unified by geomery is processed into is evenly arranged along mounting surface (horizontal plane) surrounding, makes
Its remaining short side is higher by 50~100mm of mounting surface, and ensures that all guide plate height are consistent, keeps all bevel edges formation one complete
Whole back taper surface；Its remaining short side below mounting surface is fixed vertically with mounted structural member side.So far, exist
" conical horn mouth " required on mounting surface has been completed.
The effect of guide plate is to define the positioning of mounting surface horizontal plane (both direction in single plane), steel construction piece
Vertical height (longitudinal direction of the mounting surface in space) also needs to be defined using positioning plate.It is all provided on upper and lower steel member
It is equipped with locating piece, V-type groove 10 is provided on the lower locating piece 7 of lower steel member, is provided on the upper locating piece 8 of upper steel member
V-type protrusion 9, V-type protrusion and the seamless snug fit of V-type groove；When upper steel member downwards by the guide surface of guide plate drawn by lifting
Lead steel member and reach mounting surface step by step, the V-type protrusion of upper steel member is inserted into V-type groove, V-type protrusion and V-type groove without
Seam is close to, and orientation angle generally uses 30~90 °.
Guide plate is interconnected with locating piece, each guide surface (surface being aligned is needed when installing) arrangement of guide plate
Quantity according to component size, weight determine, reach effectively be oriented to safety load-bearing for the purpose of, the number of each guide surface guide plate
Amount no less than 2.Locating piece undertakes the gravity of installation part, and the connection of upper and lower positioning plate undertakes shearing stress and determined according to Strength co-mputation
It is fixed.
The opportunity of guide locating device provided installation：Large-scale steel structure members merogenesis in factory completes, whole pre-assembled inspection
After examination is received, before disintegration preservative treatment.Steel construction piece whole acceptance(check), need not be in the case where being adjusted.
It is crossed by measurer and apparatus measures, guarantee guide plate is vertical with mounting surface, its is highly consistent；Locating piece V-type groove direction one
Cause, be adjacent to it is seamless, and height control in a plane.Guide surface, mounting surface along steel member are arranged symmetrically.Install inspection
Look into after qualification can be disintegrated, preservative treatment, transport building site.
On the platform mounted on fixed knot, a people is responsible for one and needs the side being aligned at four installation support staff stations
Face.The steel member of crane hanging component stablizes the positions 50~100mm on guide plate, checks whether the bottom surface of installation part overlaps to and leads
Into the guide range of plate, crane is commanded to be adjusted when necessary；Crane can be commanded slowly to decline after coincidence, declined
Guide plate, the locating piece neighbouring position for being tapped component in journey using iron hammer can effectively prevent appearance card and mix phenomenon, until component is fallen
Until entering V-type groove.
Material and thickness when both guide plate and locating piece make is selected according to Strength co-mputation, is at least not less than and limits
The same material and thickness of plate face.
Embodiment two
A kind of guiding and positioning device for the installation of heavy steel member high-altitude, as shown in figures 8-13, and in embodiment one
Unlike, the present embodiment is that the tower top in 13 upper end of concrete segment tower body installs rectangular steel member, and mounting surface is a water
Plane, steel member to be mounted include surrounding fixed knot, two lateral partitions and two longitudinal baffles, lateral partitions with it is longitudinal every
Plate square crossing.The present embodiment uses vertically-guided type guide plate, and guide plate is ladder structure of right angle, and oblique waist is guide surface, on
Bottom surface is positioning surface, and straight waist is joint face, is vertically-guided；Guide plate is closed with foundation base board group and is installed, and basic seat board is by basis
Plate and embedded bar are welded, and base plate is arranged on mounting surface.In casting concrete section tower top, by basic seat board centering
Position and once-pouring of concrete, the basis as installation steel member use.After the completion of concreting, according to measurement base
Standard re-starts measurement scribing line, and according to the positions and dimensions of installation part partition board, scribing line separates guide plate installation site, by guide plate
It is welded with basic seat board.Steel member lifting can be carried out after passed examination.Eight basic seat boards are arranged on mounting surface,
One guide plate of welding is respectively perpendicular on each basis seat board, the joint face of guide plate is mutually welded with basic seat board.Wherein four
Guide plate is used for the guide-localization to two lateral partitions, this four guide surfaces form a big top and small bottom taper loudspeaker
Mouth guides the lifting of lateral partitions in place；Four additional guide plate is used for the guide-localizations of two longitudinal baffles, this four
Guide surface also forms a big top and small bottom conical horn mouth, guides the lifting of longitudinal baffle in place.Diaphragm plate and vertical
The guide plate of partition board distinguishes two guide ranges of shape, and (i.e. diaphragm plate and midfeather have been respectively formed two guiding that can be deviated in left and right
Range, as shown in Figure 10).
Because concreting there are contraction distortion, also needs to manually use wedge, thousand after Steel Structure Installation section is in place
The Work tools such as jin top, jack are adjusted, after being accurately positioned, after detecting instrument acceptance(check), you can by guide plate and steel member
Horizontal and vertical partition board welded, and arrange that steel member is fixedly positioning on basic seat board by stiffener, hoisting process
It completes.It can carry out lower road construction technology.
Embodiment three
A kind of guiding and positioning device for the installation of heavy steel member high-altitude, as shown in Figure 14-26, guide-localization dress
It is as follows to set the engineering across Jialuhe River bridge, concrete engineering overview for Zhengzhou Zhongmou County gardens Lv Bo humanity road：
Across Jialuhe River bridge in Zhengzhou Zhongmou County gardens Lv Bo humanity road is no dorsal funciculus Cable-stayed Bridge with Slanted Pylon.King-tower is mixed for prestressing force
Solidifying soil leaning tower, using C50 concrete, bridge floor to tower top height is 71.6m, and tower top to ground level is 82m, and king-tower tilts 60
Degree, top is steel member, using the phoenix head moulding for imitating harp top.The high 11.6m of top steel construction.Single steel member weight is about
106.3 tons, two steel member weight are about 212.6 tons.Using the arrangement and method for construction of merogenesis manufacture, building site installation in factory.
Segment mainly considers when dividing：Crane hanging component range, maximum lifting operating mode；The structure feature of steel member；Steel knot
Structure construction technology, civil construction technique are to the influence factor of Construction of Steel Structure；Component conveying condition；Convenient aerial lifting is in place,
Stable state is in when component is in place, advantageous lifting, spelling ensure safety when spelling.By the phoenix head steel construction point of single tower top
At three liftings segment T1, T2, T3, T1 sections are that steel reinforced concrete section is mounted on coagulation body leaning tower top, also need to pour the second phase after installation
Coagulation body, guy of twisted steel cable prestressed stretch-draw etc..Each section design parameter such as the following table 1.It is lifted using 500 tons of crawler cranes.
The unilateral each lifting segment block Hoisting Parameters of table 1-
| Serial number | Block is numbered | Long (mm) | Wide (mm) | High (mm) | Weight (t) | Quantity |
| 1 | T1 | 6876 | 4000 | 3050 | 32 | 1 |
| 2 | T2 | 9056 | 4000 | 4859 | 43 | 1 |
| 3 | T3 | 8224 | 4000 | 4165 | 31 | 1 |
Before steel reinforced concrete transition pars infrasegmentalis concreting, on steel reinforced concrete changeover portion and concrete interface, in steel member
Portion partition board bottom and concrete corresponding position, bury the steel of thickness 20mm, width 200mm, length about 1200mm in concrete
Plate welds Φ 20mm reinforcing bars as basic seat board, steel plate bottom.Pre-buried 8 pieces basic seat boards.For adjusting when mounted, fixing steel
Component is fixed when pre-buried according to the elevation of interface, center, level.
It measures and releases according to design tower top steel construction bottom surface absolute altitude, center, mileage, axis first when basic seat board is embedded
The center of steel member marks the center of base plate further according to the partition position in steel reinforced concrete changeover portion on king-tower bar-mat reinforcement
Then base plate is carried out centering, after adjustment level, center, elevation are met the requirements, on base plate by position by position is marked
Grasp is welded and fixed together with the bar-mat reinforcement in king-tower.
As shown in Figure 14-22, the internal partition of T1 steel members, diaphragm plate is parallel with left and right sidewall plate surface, midfeather with
Front-rear side walls plate surface is parallel.Diaphragm plate is obliquely installed, and midfeather is vertically arranged, according to the spy of the segments T1 steel member internal partition
Different guide plates is arranged in point, corresponding position, automatic guide when in place for the lifting of steel reinforced concrete changeover portion.It is right on the inside of two pieces of midfeathers
The four pieces of guide plates that should be arranged are vertically-guided type guide plate, and (i.e. midfeather forms a left side to the guide range of two transverse directions of formation
Right two guide ranges that can be deviated, as shown in Figure 21).Guide plate is ladder structure of right angle, and oblique waist is guide surface, upper bottom surface
For positioning surface, straight waist is joint face；Four pieces of oriented type guide plates of corresponding arrangement, respectively left side on the inside of two pieces of diaphragm plates
Guide plate 18 and right side guide plate 19, and both sides oriented plate is different in order to adapt to the shape that different position angles designs.
Left side guide plate is irregular pentagonal configuration, and the lower end of pentagonal configuration is horizontal joint face, and joint face is mounted on base
On plinth seat board, left side guide plate positioning surface is inclined on mounting surface, and positioning surface upper end is the guide surface for tilting larger angle,
The guide plate is used for left side diaphragm plate oriented；Two pieces of right side oriented type guide plate is also irregular pentagon knot
The lower end of structure, pentagonal configuration is horizontal joint face, and joint face is mounted on basic seat board, and right side guide plate positioning surface tilts
It is arranged on mounting surface, right positioner face upper end is the guide surface of vertical angle, and guide surface uses smooth circular arc with positioning surface
17 transition of transition face, is convenient to that inclination of right side diaphragm plate during decline is in place, and the guide plate of four diaphragm plates forms
(i.e. diaphragm plate forms a guide range that can control offset to the guide range of one longitudinal direction, as shown in Figure 22, and longitudinally
It is for the laterally steering range of midfeather), and the guide surface of four guide plates forms half of conical horn mouth.
So far, by the combination application of vertically-guided type guide plate and oriented type guide plate, two are set on horizontal mounting surface
The guide range in direction.
Before the steel reinforced concrete changeover portion lifting of steel member, surveying setting-out marks steel member partition board corresponding position on basic seat board
Then center line welds corresponding guide plate in the positional symmetry of center line side, enable to save (T1) under steel construction in lifting
Enough automatic guides are in place.The reinforcing bar iron wire on tower top concrete surface binds reinforcing bar top before lifting, inwardly receives, T1 is facilitated to save
Section steel member lifting is in place, and steel reinforced concrete changeover portion is lifted with lifting equipment to tower top station reinforcing bar top about 20cm, will be in steel member
Portion's partition board bound respectively with reinforcing bar after between stitch corresponding, slowly fall, and slowly translated along the inclined direction of reinforcing bar, until
Steel member is directed to foundation base pre-buried on concrete surface by the bottom of steel member with after guide plate guide face contacts by guide plate
On plate.Then it is adjusted fixation again.
After the lifting of steel reinforced concrete changeover portion is in place, wedge, thousand are utilized on base plate plate according to the given absolute altitude of design, center
Jin top, guide chain are adjusted, after steel reinforced concrete changeover portion elevation, center, Slope angle adjustment meet design specification requirement, by steel changeover portion
The partition board of (T1 sections) carries out interruption welding with guide plate, basic seat board, and steel reinforced concrete changeover portion is fixed.Then it can be mixed
Solidifying soil such as pours at the constructions.Materials are as follows：
2 foundation base plate material dosage of table
| Serial number | Title | Specification | Substance (kg) | Quantity | Both sides | Gross weight (kg) |
| 1 | Steel plate | 1200mm*200mm*20mm | 37.68 | 8 | 2 | 602.88 |
| 2 | Reinforcing bar | Φ20mm*3000mm | 7.41 | 16 | 2 | 237.12 |
| It is total | 840 |
3 steel reinforced concrete section of table is oriented to guide plate material utilization amount
| Serial number | Title | Specification | Substance (kg) | Quantity | Both sides | Gross weight (kg) |
| 1 | Steel plate | 400mm*200mm*20mm | 12.56 | 8 | 2 | 200.96 |
After T1 sections of lifting installation completely, the lifting installation of T2 segments is carried out, before steel member lifting, in T1, T2 two
Three sides of mounting surface (side vertically be arcwall face) of segment staggeredly welding guide plate and locating piece (guide plate herein with
Locating piece is identical with the structure of guide plate and locating piece in embodiment one).Guide plate and the segments T1 are welded, locating piece
In upper and lower positioning plate is correspondings with T1, T2 nodule component respectively welds.Again by guide plate after installing segment (T2 sections) lifting in place
Positioning surface and top steel member (T2 sections) are welded, carry out being fixed temporarily the safety for ensureing component.It also needs with fixed pressure code plate
Upper and lower segment is carried out weld reinforcement by 16, ensures that internode is fixedly secured.The specific materials of guide plate and fixed code plate are as follows：
4 guide plate of table, fixed code plate material dosage
| Serial number | Position | Title | Specification | Substance (kg) | Quantity | Gross weight (kg) |
| 1 | At 1st layer of docking | Steel plate | 350mm*200mm*20mm | 10.99 | 42 | 461.58 |
| 2 | At 2nd layer of docking | Steel plate | 350mm*200mm*20mm | 10.99 | 56 | 615.44 |
Guide plate and locating piece will be arranged according to the planform of installation steel member.Some Special-Shaped Surfaces can be with when can not arrange
Suitably increase the quantity arranged on other faces, integrally meets strength and stability requirement.For the intensity of enhancing connection, can pacify
Fill section inner surface arranged crosswise guide plate, be fixedly connected with the installation section on mounting surface, during steel member declines into
Row spigot-and-socket guide-localization.The installation of T3 section steel members is essentially identical to be repeated no more.The project has been completed in April, 2018 logical
Vehicle.
The angle of inclination of same group of guide plate guide surface can be the same or different, according to the partition board being actually oriented to or
The shape of fixed knot determines, as long as forming at least one guiding guide range in place in same group of guide plate.When same
When the angle of inclination of the guide surface of one group of guide plate is identical, the conical horn mouth of formation is the structure of rule, and guide surface is equivalent to
The busbar of taper, (the case where angle of inclination is all not equal to 90 ° when the angle of inclination difference of the guide surface of same group of guide plate
Under), the conical horn mouth of formation is irregular structure, is equivalent to two half-cones to together, and the busbar of two half-cones
It differs, therefore irregular structure.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe the present invention's
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is defined by tbe claims.
Claims (10)
1. a kind of guiding and positioning device for the installation of heavy steel member high-altitude, it is characterised in that：The device includes mounting surface
And it is mounted in the steel member on mounting surface, at least one set of guide plate is evenly arranged on mounting surface, guide plate is played to steel
The fixed knot or partition board of component guide effect in place；The guide plate includes guide surface, is used to treat above mounting surface
The positioning surface and joint face for fixing, guide surface that the fixed knot or partition board of installation steel member are positioned are angle of inclination
Height for 30 ~ 90 ° of inclined surface, the distance from top mounting surface of guide surface is 50~100mm, the guide surface of same group of guide plate
Conical horn mouth or half-cone bell-mouth structure of air are formed, the guide surface of same group of guide plate at least forms a guiding more than zero
Range；Guide plate plays steel member the positioning action of the both direction in mounting surface single plane.
2. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：Institute
It is basic model guide plate to state guide plate, and basic model guide plate is ladder structure of right angle, and the oblique waist of ladder structure of right angle is guide surface,
The upper end of the upper bottom surface of ladder structure of right angle is positioning surface, and lower end is joint face, for perpendicular to fixed between positioning surface and joint face
The mounting surface of plane, the end set that positioning surface connects with joint face are welded across welding groove, joint face with steel member.
3. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：Institute
It is vertically-guided type guide plate to state guide plate, and guide plate is ladder structure of right angle, and oblique waist is guide surface, and upper bottom surface is positioning surface,
Straight waist is joint face, and joint face is vertically fixed on mounting surface, which is used for vertically-guided.
4. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：Institute
It is oriented type guide plate to state guide plate, and guide plate is irregular polygonized structure, and the lower end of polygonized structure is level
Joint face, joint face be mounted on steel member on, positioning surface is obliquely installed, the guide plate be used for oriented.
5. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：?
One group of basic model guide plate being oriented to the fixed knot of steel member to be installed, guide plate fixed setting are provided on mounting surface
The surrounding for the steel member fixed knot that installation is complete below mounting surface, the guide surfaces of all guide plates form small top and big bottom
Conical horn mouth is guided by the fixed knot to steel member surrounding and realizes that the lifting of steel member is in place.
6. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：Peace
Be provided on dress face two groups to inside steel member two diaphragm plates and two midfeathers guide guide plate in place, two
Four diaphragm plate guide plates are set on the inside of diaphragm plate, and diaphragm plate is to be obliquely installed, and four diaphragm plate guide plates use oriented
The angle of inclination of type guide plate, the guide surface of two diaphragm plate guide plates of homonymy is identical, wherein the diaphragm plate guide plate of side
The angle of inclination of guide surface be 90 °, the guide surface of four diaphragm plate guide plates forms half of big top and small bottom taper loudspeaker
Mouth.
7. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：Incline
It is provided with an arc-shaped transitional surface between guide surface and positioning surface that rake angle is 90 ° and carries out transition.
8. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：It hangs down
The joint face of straight guidance type guide plate is vertically welded on basic seat board, and basic seat board is arranged symmetrically on mounting surface, guide surface
On mounting surface formed a conical horn mouth, conical horn mouth it is big top and small bottom, by the single direction of steel member
Internal partition, which guides, realizes that the lifting of steel member is in place.
9. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：?
It is separately installed with mating locating piece on two steel members, is provided with protrusion on the locating piece on upper steel member, on lower steel member
Locating piece on be arranged it is fluted, protrusion with groove is seamless is close to play the longitudinal register to steel member.
10. the guiding and positioning device according to claim 1 for the installation of heavy steel member high-altitude, it is characterised in that：
The groove and protrusion are V-structure, the protrusion of V-type be inserted into it is seamless in the groove of V-type be close to, groove is small top and big bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953223.8A CN108755442B (en) | 2018-08-21 | 2018-08-21 | Guide and positioning device for high-altitude installation of large steel member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953223.8A CN108755442B (en) | 2018-08-21 | 2018-08-21 | Guide and positioning device for high-altitude installation of large steel member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108755442A true CN108755442A (en) | 2018-11-06 |
| CN108755442B CN108755442B (en) | 2023-12-22 |
Family
ID=63967577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953223.8A Active CN108755442B (en) | 2018-08-21 | 2018-08-21 | Guide and positioning device for high-altitude installation of large steel member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755442B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450797A (en) * | 2019-08-08 | 2019-11-15 | 中车长江车辆有限公司 | Steel ingot thermal car |
| CN110593097A (en) * | 2019-09-04 | 2019-12-20 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN111827125A (en) * | 2020-08-06 | 2020-10-27 | 中铁二局集团有限公司 | Accurate adjustment method and device for installation line shape of steel upright post of arch bridge |
| CN112030781A (en) * | 2020-08-19 | 2020-12-04 | 中交路桥建设有限公司 | Installation method and installation structure of arch rib segment of steel arch bridge |
| CN112609575A (en) * | 2020-11-19 | 2021-04-06 | 中铁二局集团有限公司 | Steel pipe column alignment structure and steel pipe column alignment method |
| CN114214956A (en) * | 2021-12-29 | 2022-03-22 | 江苏沪宁钢机股份有限公司 | Steel tower installation method for inclined concrete tower column |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328746A (en) * | 2007-06-18 | 2008-12-24 | 浙江展诚建设集团股份有限公司 | Steel structure high altitude mounting method |
| JP2010065378A (en) * | 2008-08-12 | 2010-03-25 | Sugiko:Kk | Hanging scaffold and method for erecting the same |
| JP2010121285A (en) * | 2008-11-17 | 2010-06-03 | Tekken Constr Co Ltd | Construction method of steel structure |
| CN202248941U (en) * | 2011-09-07 | 2012-05-30 | 福建二建建设集团公司 | Integral lifting, positioning and mounting device for large-scale steel members |
| CN203269370U (en) * | 2013-02-21 | 2013-11-06 | 中国十七冶集团有限公司 | In-position guide auxiliary device for hoisting of iron tower steel components |
| CN104775564A (en) * | 2015-04-21 | 2015-07-15 | 江苏沪宁钢机股份有限公司 | Unsupported installation method for bidirectional tilting great-section box latticed columns |
| WO2016023462A1 (en) * | 2014-08-15 | 2016-02-18 | 中交第二航务工程局有限公司 | Glued joint connecting method for steel-concrete composite beam of cable-stayed bridge |
| CN206667519U (en) * | 2016-04-14 | 2017-11-24 | 文登蓝岛建筑工程有限公司 | A kind of steel construction building body and its wall docking structure |
| CN107695601A (en) * | 2017-11-24 | 2018-02-16 | 中冶建工集团有限公司 | A kind of assemble method and measure moulding bed of positive six ribs box shape steel structure |
| CN209066285U (en) * | 2018-08-21 | 2019-07-05 | 中水电第十一工程局（郑州）有限公司 | Guiding and positioning device for the installation of heavy steel member high-altitude |
-
2018
- 2018-08-21 CN CN201810953223.8A patent/CN108755442B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328746A (en) * | 2007-06-18 | 2008-12-24 | 浙江展诚建设集团股份有限公司 | Steel structure high altitude mounting method |
| JP2010065378A (en) * | 2008-08-12 | 2010-03-25 | Sugiko:Kk | Hanging scaffold and method for erecting the same |
| JP2010121285A (en) * | 2008-11-17 | 2010-06-03 | Tekken Constr Co Ltd | Construction method of steel structure |
| CN202248941U (en) * | 2011-09-07 | 2012-05-30 | 福建二建建设集团公司 | Integral lifting, positioning and mounting device for large-scale steel members |
| CN203269370U (en) * | 2013-02-21 | 2013-11-06 | 中国十七冶集团有限公司 | In-position guide auxiliary device for hoisting of iron tower steel components |
| WO2016023462A1 (en) * | 2014-08-15 | 2016-02-18 | 中交第二航务工程局有限公司 | Glued joint connecting method for steel-concrete composite beam of cable-stayed bridge |
| CN104775564A (en) * | 2015-04-21 | 2015-07-15 | 江苏沪宁钢机股份有限公司 | Unsupported installation method for bidirectional tilting great-section box latticed columns |
| CN206667519U (en) * | 2016-04-14 | 2017-11-24 | 文登蓝岛建筑工程有限公司 | A kind of steel construction building body and its wall docking structure |
| CN107695601A (en) * | 2017-11-24 | 2018-02-16 | 中冶建工集团有限公司 | A kind of assemble method and measure moulding bed of positive six ribs box shape steel structure |
| CN209066285U (en) * | 2018-08-21 | 2019-07-05 | 中水电第十一工程局（郑州）有限公司 | Guiding and positioning device for the installation of heavy steel member high-altitude |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450797A (en) * | 2019-08-08 | 2019-11-15 | 中车长江车辆有限公司 | Steel ingot thermal car |
| CN110593097A (en) * | 2019-09-04 | 2019-12-20 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN110593097B (en) * | 2019-09-04 | 2021-06-15 | 郭斌 | Suspension bridge main push-towing rope preforming strand manufacturing and saddle entering system |
| CN111827125A (en) * | 2020-08-06 | 2020-10-27 | 中铁二局集团有限公司 | Accurate adjustment method and device for installation line shape of steel upright post of arch bridge |
| CN112030781A (en) * | 2020-08-19 | 2020-12-04 | 中交路桥建设有限公司 | Installation method and installation structure of arch rib segment of steel arch bridge |
| CN112030781B (en) * | 2020-08-19 | 2022-11-18 | 中交路桥建设有限公司 | Installation method and installation structure of arch rib segment of steel arch bridge |
| CN112609575A (en) * | 2020-11-19 | 2021-04-06 | 中铁二局集团有限公司 | Steel pipe column alignment structure and steel pipe column alignment method |
| CN114214956A (en) * | 2021-12-29 | 2022-03-22 | 江苏沪宁钢机股份有限公司 | Steel tower installation method for inclined concrete tower column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108755442B (en) | 2023-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108755442A (en) | Guiding and positioning device for the installation of heavy steel member high-altitude | |
| CN105649332B (en) | A kind of construction method for building beam slab | |
| CN100476142C (en) | Construction method for combined V-shape steel pipe concrete pile | |
| CN209066285U (en) | Guiding and positioning device for the installation of heavy steel member high-altitude | |
| CN101117795A (en) | Mounting method for steel case basket arch single-frame segment | |
| CN101781879A (en) | Construction method of single-pylon cable-stayed bridge without dorsal cables | |
| CN105484162B (en) | Suspension bridge construction stiff girder secondary on the bank swings moving device and method | |
| CN103758348B (en) | Profile steel framework structure concrete floor slab suspension mould pouring construction method | |
| CN109457615A (en) | A kind of construction method of installation of abnormity bowstring arch bridge arch ring | |
| CN105625186A (en) | Method for constructing large-section concrete Y-shaped column | |
| CN103590603B (en) | Large span multi-curvature shell structure of reinforced concrete method | |
| CN103195247B (en) | Saddle-shaped hyperboloidal concrete slab construction method | |
| CN107489098A (en) | Concrete prefabricated solder type guardrail and construction method of installation | |
| CN105672655A (en) | Side wall self-propelled type triangular truss and construction method thereof | |
| CN105952133A (en) | Suspended large-span reinforced concrete structure construction steel platform and construction method | |
| CN105544409B (en) | Double guide beam bridge erecting machine sets up combination beam and now spells a section girder steel construction technology | |
| CN104895082A (en) | Precise large-diameter steel casing deviation rectifying device and method | |
| CN110184938A (en) | High pier is without bracket climbing formwork for construction method | |
| CN113833020A (en) | Construction method of large fish belly type inclined column structure in underground space | |
| CN105018115B (en) | Dry quenching primary deduster fragment hoisting method | |
| CN105484165B (en) | Integrated prestress tensioning frame structure and manufacturing and using methods thereof | |
| CN109869153A (en) | The whole of rapid construction vertical shaft lining cutting promotes cantilever form device and construction method | |
| CN109267493A (en) | A kind of construction method installed across river steel lid beam | |
| CN207794322U (en) | A kind of built-in fitting | |
| CN105438965B (en) | The hanging method of glomeration pattern masonry wall 2 centering hanging apparatus of piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant after: China Power Construction Eleventh Bureau Engineering Co.,Ltd. Applicant after: SINOHYDRO BUREAU 11 Co.,Ltd. Address before: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant before: CHINA HYDROPOWER ELEVENTH ENGINEERING BUREAU (ZHENGZHOU) Co.,Ltd. Applicant before: SINOHYDRO BUREAU 11 Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |