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 PDFInfo
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- 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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- Prior art keywords
- partition board
- notch
- shaped
- shaped rib
- intercostal
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482896.XA CN108677719A (en) | 2018-05-18 | 2018-05-18 | A kind of control method of partition board notch and U-shaped intercostal assembly clearance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810482896.XA CN108677719A (en) | 2018-05-18 | 2018-05-18 | A kind of control method of partition board notch and U-shaped intercostal assembly clearance |
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| CN108677719A true CN108677719A (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319133A (en) * | 2022-01-15 | 2022-04-12 | 中铁九桥工程有限公司 | Technological method for precisely assembling U-shaped ribs and transverse partition plates |
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| CN114319133A (en) * | 2022-01-15 | 2022-04-12 | 中铁九桥工程有限公司 | Technological method for precisely assembling U-shaped ribs and transverse partition plates |
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Application publication date: 20181019 |