CN108677719A - A kind of control method of partition board notch and U-shaped intercostal assembly clearance - Google Patents

A kind of control method of partition board notch and U-shaped intercostal assembly clearance Download PDF

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Publication number
CN108677719A
CN108677719A CN201810482896.XA CN201810482896A CN108677719A CN 108677719 A CN108677719 A CN 108677719A CN 201810482896 A CN201810482896 A CN 201810482896A CN 108677719 A CN108677719 A CN 108677719A
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CN
China
Prior art keywords
partition board
notch
shaped
shaped rib
partition
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
Application number
CN201810482896.XA
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Chinese (zh)
Inventor
尤元霞
胡广瑞
白玉明
刘健
南亚轻
刘志雄
刘纯
李长杰
刘壮
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China Railway Shanhaiguan Bridge Group Co Ltd
Original Assignee
China Railway Shanhaiguan Bridge Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Shanhaiguan Bridge Group Co Ltd filed Critical China Railway Shanhaiguan Bridge Group Co Ltd
Priority to CN201810482896.XA priority Critical patent/CN108677719A/en
Publication of CN108677719A publication Critical patent/CN108677719A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses the control method of a kind of partition board notch and U-shaped intercostal assembly clearance, this method includes ensuring that the appearance and size after U-shaped rib press-bending to be assembled in the error range of permission;Using special assembling system assembles U-shaped rib and positioning welding is carried out, while controlling the U-shaped rib package size at partition position in the error range of permission;After U-shaped rib assembly welding, the gap of model notch and U-shaped intercostal is measured and recorded using U ribs spacing detection model, reserved technique amount of the partition board when carrying out the Numerical control cutting of notch is determined according to the gap;Notch cutting is carried out to the partition board by the way of Numerical control cutting according to the reserved technique amount.This method feasibility is strong, while method is simple.When can effectively ensure to assemble partition board, partition board notch coincide with U-shaped rib, ensures the smooth assembling of partition board, it is ensured that the welding quality of partition board and U-shaped intercostal fillet weld, it is ensured that the accuracy of manufacture.

Description

A kind of control method of partition board notch and U-shaped intercostal assembly clearance
Technical field
The present invention relates to steel bridge production and construction technical fields, more particularly to a kind of septalium of Orthotropic Steel Bridge Deck The control method of mouth and U-shaped intercostal assembly clearance.
Background technology
Orthotropic Steel Bridge Deck, from heavy and light, the series of advantages such as bearing capacity is big, speed of application is fast, is answered extensively with it For in domestic and international Longspan Bridge.But since it is because of the influence of construction complexity, weld defect, the factors such as construction quality, Fatigue problem is easy tod produce under Vehicle Load, and U-shaped rib and partition board weld seam are fatigue problems in Orthotropic Steel Bridge Deck One of most incident place, and previous technology pays attention to design the control of structure detail and welding itself between the two more, it is right Partition board notch and the assembly clearance research of U-shaped intercostal are less.When leading to bridge floor plate assembly, U-shaped rib can not after tire on partition board The method for often taking mowing partition board notch when partition board U rib notches is freely fallen into, is bound to cause partition board notch and U-shaped rib in this way Between there are larger gap, and the welding of the wide arc gap of partition board notch and U-shaped intercostal will impact weldquality, generate fatigue Hidden danger.
Invention content
The present invention provides the control methods of a kind of partition board notch and U-shaped intercostal assembly clearance.To ensure partition board notch and U Shape rib coincide, it is ensured that assembly clearance requirement between the two, so that it is guaranteed that weldquality.
The present invention provides following schemes:
A kind of control method of partition board notch and U-shaped intercostal assembly clearance, including:
Step A:Ensure the appearance and size after U-shaped rib to be assembled is bent in the error range of permission;
Step B:Using special assembling system assembles U-shaped rib and positioning welding is carried out, while controlling the U-shaped at partition position Rib package size is in the error range of permission;
Step C:After U-shaped rib assembly welding, is measured using U ribs spacing detection model and record model notch and U-shaped intercostal Gap, according to the gap determine partition board carry out notch Numerical control cutting when reserved technique amount;
Step D:Notch cutting is carried out to the partition board by the way of Numerical control cutting according to the reserved technique amount.
Preferably:In the step A, it is ensured that the appearance and size after U-shaped rib press-bending to be assembled is in the error range of permission Method include:U-shaped rib checks the forming dimension of model detection U-shaped rib using internal model after bending, control U-shaped rib baseplate width, The height difference of size of dehiscing and two limbs, and adjust the relevant parameter of press bending apparatus according to testing result.
Preferably:In the step B, the special package system is that U-shaped rib assembles positioning welding system automatically;It is welding The U-shaped rib package size at partition position is controlled in the process, and increases tack weld in partition position.
Preferably:In the step C, after U-shaped rib assembly welding, is measured using U ribs spacing detection model and record partition board Gap at position between U-shaped rib and model notch is summarized, arranged and is analyzed to the data of measurement later, utilizes data Normal distribution law X~N (μ, σ2), the desired value μ and standard deviation sigma of data are acquired, it will be in (+1.96 σ of μ -1.96 σ, μ) range Interval of the data as gap between the two, as reserved technique amount of the partition board when carrying out the Numerical control cutting of notch.
Preferably:In the step D, partition board carries out partition board to catch up with flat processing, eliminates the rolling of partition board before cutting stock Internal stress;Ribbed stiffener on the partition board of group weldering later, according to the reserved technique amount using outside Numerical control cutting partition board after finishing is qualified Shape.
According to specific embodiment provided by the invention, the invention discloses following technique effects:
By the invention it is possible to a kind of control method of partition board notch and U-shaped intercostal assembly clearance be realized, in a kind of realization Under mode, this method may include ensuring the appearance and size after U-shaped rib to be assembled is bent in the error range of permission;Using special Assembled with package system and U-shaped rib and carry out positioning welding, at the same control the U-shaped rib package size at partition position permission mistake In poor range;After U-shaped rib assembly welding, is measured and recorded between model notch and U-shaped intercostal using U ribs spacing detection model Gap determines reserved technique amount of the partition board when carrying out the Numerical control cutting of notch according to the gap;According to the reserved technique amount Notch cutting is carried out to the partition board by the way of Numerical control cutting.Between partition board notch and U-shaped intercostal assembling provided by the present application The control method of gap, feasibility is strong, while method is simple.When can effectively ensure to assemble partition board, partition board notch and U-shaped rib It coincide, ensures the smooth assembling of partition board, it is ensured that the welding quality of partition board and U-shaped intercostal fillet weld, it is ensured that the accuracy of manufacture.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is the flow of a kind of partition board notch provided in an embodiment of the present invention and the control method of U-shaped intercostal assembly clearance Figure;
Fig. 2 is that shape template checks template drawing in U-shaped rib provided in an embodiment of the present invention;
Fig. 3 is U-shaped rib spacing detection template drawing provided in an embodiment of the present invention;
Fig. 4 is the faces A-A provided in an embodiment of the present invention sectional view;
Fig. 5 is the measurement in gap between measurement U-shaped rib and model notch after plate unit group repair welding provided in an embodiment of the present invention Conceptual scheme;
Fig. 6 is that single U-shaped rib provided in an embodiment of the present invention measures position view.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected Range.
Embodiment
It is that a kind of partition board notch provided in an embodiment of the present invention is assembled with U-shaped intercostal referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 The control method in gap, as shown in Figure 1, this method includes:
Step A:As shown in Figure 2, it is ensured that the appearance and size after U-shaped rib press-bending to be assembled is in the error range of permission;Really Protecting method of the appearance and size after U-shaped rib to be assembled is bent in the error range of permission includes:U-shaped rib utilizes internal model after bending Check the forming dimension of model detection U-shaped rib, control U-shaped rib baseplate width, size of dehiscing and two limbs height difference, and according to detection As a result the relevant parameter of press bending apparatus is adjusted.In practical operation, steel plate is carried out to catch up with flat processing, is eliminated in the rolling of steel plate Stress;Plate both sides are machined out after blanking, it is ensured that the width tolerance of plate;Before press-bending, steel plate thickness deviation is considered Influence, the influence of plate thickness tolerance is measured while considered to steel plate thickness, press-bending stroke is determined with this;After press-bending, use The special appearance and size for checking model detection U-shaped rib.
Step B:Using special assembling system assembles U-shaped rib and positioning welding is carried out, while controlling the U-shaped at partition position Rib package size is in the error range of permission;The special package system is that U-shaped rib assembles positioning welding system automatically;It is welding The U-shaped rib package size at partition position is controlled in termination process, and increases tack weld in partition position.
Step C:After U-shaped rib assembly welding, is measured using U ribs spacing detection model and record model notch and U-shaped intercostal Gap, to solve influence factor of the U ribs spacing error to partition board notch;Determine that partition board is carrying out notch according to the gap Numerical control cutting when reserved technique amount;Specifically, after U-shaped rib assembly welding, measures and record using U ribs spacing detection model Gap at partition position between U-shaped rib and model notch is summarized, arranged and is analyzed to the data of measurement later, utilizes number According to normal distribution law X~N (μ, σ2), the desired value μ and standard deviation sigma of data are acquired, by (+1.96 σ of μ -1.96 σ, μ) model Interval of the data as gap between the two in enclosing, as reserved technique of the partition board when carrying out the Numerical control cutting of notch Amount.
When specific operation, as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, U-shaped rib is measured according to actual conditions at 2 or at 3 per limb, and The average value at 2 or at 3 is taken to insert table as the final result measured.All measurement data are summarized, are arranged, later Utilize normal distribution law X~N (μ, the σ of data2), the desired value μ and standard deviation sigma of data are acquired, by (μ -1.96 σ, μ+1.96 σ) possibility interval of the data in range as gap between the two, with this come reserved when instructing partition board notch Numerical control cutting Technique amount.
Step D:Notch cutting is carried out to the partition board by the way of Numerical control cutting according to the reserved technique amount.Partition board Before cutting stock, partition board is carried out to catch up with flat processing, eliminates the rolling internal stress of partition board;Ribbed stiffener on the partition board of group weldering later, Numerical control cutting partition board shape is used according to the reserved technique amount after finishing is qualified.Partition board catch up with it is flat after draw horizontal, vertical baseline, with it is horizontal, Partition board ribbed stiffener is assembled on the basis of vertical baseline, organizes after repair welding Numerical control cutting partition board shape and notch on the basis of horizontal, vertical baseline.
In short, the control method of partition board notch provided by the present application and U-shaped intercostal assembly clearance, feasibility is strong, while side Method is simple and easy to do.When can effectively ensure to assemble partition board, partition board notch coincide with U-shaped rib, ensures the smooth assembling of partition board, it is ensured that The welding quality of partition board and U-shaped intercostal fillet weld, it is ensured that the accuracy of manufacture.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims (5)

1. the control method of a kind of partition board notch and U-shaped intercostal assembly clearance, which is characterized in that the method includes:
Step A:Ensure the appearance and size after U-shaped rib to be assembled is bent in the error range of permission;
Step B:Using special assembling system assembles U-shaped rib and positioning welding is carried out, while controlling the U-shaped rib group at partition position Size is filled in the error range of permission;
Step C:After U-shaped rib assembly welding, is measured and recorded between model notch and U-shaped intercostal using U ribs spacing detection model Gap determines reserved technique amount of the partition board when carrying out the Numerical control cutting of notch according to the gap;
Step D:Notch cutting is carried out to the partition board by the way of Numerical control cutting according to the reserved technique amount.
2. the control method of partition board notch and U-shaped intercostal assembly clearance according to claim 1, it is characterised in that:The step In rapid A, it is ensured that method of the appearance and size in the error range of permission after U-shaped rib to be assembled is bent include:After U-shaped rib is bent Check that model detects the forming dimension of U-shaped rib using internal model, control U-shaped rib baseplate width, size of dehiscing and two limbs height difference, and The relevant parameter of press bending apparatus is adjusted according to testing result.
3. the control method of partition board notch and U-shaped intercostal assembly clearance according to claim 1, it is characterised in that:The step In rapid B, the special package system is that U-shaped rib assembles positioning welding system automatically;It controls at partition position in the welding process U-shaped rib package size, and partition position increase tack weld.
4. the control method of partition board notch and U-shaped intercostal assembly clearance according to claim 1, it is characterised in that:The step In rapid C, after U-shaped rib assembly welding, is measured using U ribs spacing detection model and record U-shaped rib and model notch at partition position Between gap, the data of measurement are summarized, arranged and are analyzed later, using data normal distribution law X~N (μ, σ2), the desired value μ and standard deviation sigma of data are acquired, by the data in (+1.96 σ of μ -1.96 σ, μ) range as gap between the two Interval, as partition board carry out notch Numerical control cutting when reserved technique amount.
5. the control method of partition board notch and U-shaped intercostal assembly clearance according to claim 1, it is characterised in that:The step In rapid D, partition board carries out partition board to catch up with flat processing, eliminates the rolling internal stress of partition board before cutting stock;On the partition board of group weldering later Ribbed stiffener, Numerical control cutting partition board shape is used according to the reserved technique amount after finishing is qualified.
CN201810482896.XA 2018-05-18 2018-05-18 A kind of control method of partition board notch and U-shaped intercostal assembly clearance Pending CN108677719A (en)

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Application Number Priority Date Filing Date Title
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Citations (6)

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Publication number Priority date Publication date Assignee Title
SU773182A1 (en) * 1979-04-12 1980-10-23 Государственный Ордена Трудового Красного Знамени Проектно-Изыскательский Институт По Проектированию Больших Мостов Butt joint of prefabricated ribbed ferroconcrete panel with metal structure of ferroconcrete-steel bridge
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Publication number Priority date Publication date Assignee Title
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KR100957718B1 (en) * 2009-08-31 2010-05-13 산이건설 주식회사 Support fix structure for steel box bridge
CN102814632A (en) * 2012-09-13 2012-12-12 江苏中泰桥梁钢构股份有限公司 Secondary cutting technique method of transverse clapboards
CN103008933A (en) * 2012-12-18 2013-04-03 中铁山桥集团有限公司 Automatic assembling and tack welding system for U-shaped rib plate units
CN103084806A (en) * 2013-01-18 2013-05-08 中铁宝桥(扬州)有限公司 Large curve steel box grider manufacture method
CN106522093A (en) * 2016-12-19 2017-03-22 中铁第四勘察设计院集团有限公司 Orthotropic steel bridge deck closed stiffening rib structure with built-in rib strips

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Application publication date: 20181019