CN106345804B - The rolling equipment and milling method of trench cover channel steel, trench cover channel steel - Google Patents
The rolling equipment and milling method of trench cover channel steel, trench cover channel steel Download PDFInfo
- Publication number
- CN106345804B CN106345804B CN201610878442.5A CN201610878442A CN106345804B CN 106345804 B CN106345804 B CN 106345804B CN 201610878442 A CN201610878442 A CN 201610878442A CN 106345804 B CN106345804 B CN 106345804B
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- Prior art keywords
- roll
- web
- rolling
- trench cover
- wing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/12—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses the rolling equipment of trench cover hot-rolled steel channel and its production method, the channel steel includes web, the first wing plate and the second wing plate, and the web is rectangle, and the both ends of the web are connected with the first wing plate and the second wing plate respectively.Rolling equipment disclosed by the invention includes for rolling the trench cover rolling device of hot-rolled steel channel ontology and in the trench cover finishing mill for rolling out striped on the outside of web outside striped and the edge of a wing on hot-rolled steel channel ontology；The finishing mill has upper horizontal roll and lower horizontal roll, and the central axis of the central axis of the upper horizontal roll and the lower horizontal roll is parallel to each other；The finishing mill has left edging roll and right edging roll, and the central axis of the central axis of the left edging roll and the right edging roll is parallel to each other.The present invention saves production cycle and the manufacturing cost of Liao Gang structure manufacturing enterprise through the above technical solution, improves the stability and rigidity of trench cover hot-rolled steel channel.
Description
Technical field
The present invention relates to fields relevant with trench cover material for building, and in particular to a kind of trench cover slot
The rolling equipment and milling method of steel, trench cover channel steel.
Background technique
During the Facilities Constructions such as subway, trestle, parking systems, abrupt slope lane, room channel, and rob repair roads,
When constructing the facilities construction such as disaster area sidewalk and construction temporary platform, the construction time can be effectively reduced using cover plate, improve work
Efficiency.With the continuous development of domestic field of steel structure, gradually by steel original cover plate manufactured by concrete and reinforcing bar
Structure cover plate is replaced.Using the cover plate of conventional hot rolled H-shaped or cold-rolled forming section manufacture, in rainy season in use, cover plate table
The easy ponding of face, or lead to impeded drainage, security risk is brought for subsequent road.
Summary of the invention
To solve the above-mentioned problems, one aspect of the present invention provides a kind of new trench cover hot-rolled steel channel, and provides
It is used for trench cover hot-rolled steel channel accordingly, and corresponding rolling device and prepares rolling for trench cover hot-rolled steel channel
Control equipment.
Trench cover channel steel provided by the invention includes web, the first wing plate and the second wing plate, and the web is rectangle,
The both ends of the web are connected with the first wing plate and the second wing plate respectively, and two wing plates are parallel to each other and hang down with the bottom side of web
Directly, the striped on the outside of web, the first wing plate and the second wing plate with recess, the channel steel are integrated hot rolling structure.
The striped of the web outside recess of channel steel of the present invention not only has the effect of anti-skidding and alleviation shock loading,
It can also guarantee to exclude to flow through the rainwater on its surface in time in rainy season.The striped being recessed on the outside of first wing plate and the second wing plate can be with
Guarantee to exclude to flow through the rainwater on its surface in time in rainy season.
Preferably, first wing plate and the second wing plate have same shape and size.
The intensity of trench cover hot-rolled steel channel has can be improved in such structure design of the invention, keeps trench cover hot
Groove steel is more firm.
Preferably, first wing plate and the second wing plate are set as seamlessly transitting with web junction.Such design it is excellent
Point is that junction makes stress more evenly in smooth curved transition, and integrally bending stress and local stress numerical more tend to balance,
Safety coefficient improves.
Preferably, first wing plate, the second wing plate plate cross section be rectangle, first wing plate, the second wing plate
Thickness ratio with web is 2:1~3:1, and the lenth ratio of the first wing plate, the second wing plate and web is 1:2~1:3.The present invention
Wing plate and the thickness ratio and length ratio of web be the specific selection according to factors such as application environment, the bearing capacitys of component
's.
The present invention also provides a kind of rolling equipment of trench cover hot-rolled steel channel, the rolling equipment includes with upper
Horizontal roll, lower horizontal roll, left edging roll and right edging roll finishing mill, the upper horizontal roll be used in the pipe trench lid
Plate is used for web outside striped, the left edging roll and right edging roll is rolled out on hot-rolled steel channel ontology in hot-rolled steel channel ontology
On roll out striped on the outside of the edge of a wing；
The central axis of the central axis of the upper horizontal roll and the lower horizontal roll is parallel to each other and relative to the abdomen
Plate is symmetrical above and below；
The convex stripe that the working face setting of the upper horizontal roll intersects；
The central axis of the central axis of the left edging roll and the right edging roll is parallel to each other and relative to the web pair
Claim setting；
The convex stripe perpendicular to roll end face is arranged in the working face of the left edging roll and right edging roll.
The upper horizontal roll is used in the trench cover with rolling out web outside striped, institute on hot-rolled steel channel ontology
Left edging roll and right edging roll are stated for rolling out striped on the outside of the edge of a wing on hot-rolled steel channel ontology
Preferably, the convex stripe that the working face setting of the upper horizontal roll intersects is to be arranged at equal intervals, the web
Outside striped is crossbanding, and both ends striped angle is 60 ° -120 °, and the striped section is semicircle.
Preferably, the convex stripe perpendicular to roll end face of the working face of the left edging roll and right edging roll setting is
It is arranged at equal intervals, the striped section is semicircle.
Preferably, the rolling device further includes conticaster, heating furnace and milling train group.
The invention also discloses a kind of methods for rolling trench cover channel steel, comprising:
1) split rolling method is carried out to blank；
2) tandem rolling is carried out to roll out trench cover hot-rolled steel channel to the blank after the split rolling method technique roughing；
3) using rolling equipment in the trench cover with rolling out web outside striped and the edge of a wing on hot-rolled steel channel ontology
Outside striped.
Trench cover hot-rolled steel channel of the invention can make up the defect of above-mentioned fashioned iron, meet the manufacture of steel structure cover plate
Demand.Trench cover hot-rolled steel channel includes web, a pair of outside wing plate with recess striped of the outside with depression bar line.
Web of the outside with depression bar line, can be on the basis for guaranteeing cover plate intensity as steel structure cover plate groundwork face
On, not only have the effect of anti-skidding, sound insulation and alleviate shock loading, while outside striped can guarantee to exclude to flow in time in rainy season
Rainwater through its surface, so that the safety for running vehicle thereon be effectively ensured.
The present invention produces trench cover hot-rolled steel channel by using the rolling equipment of trench cover hot-rolled steel channel, realizes
The hot rolling of trench cover hot-rolled steel channel is integrally formed, and improves manufacture efficiency, so that steel structure production enterprise be greatly saved
The production cycle of industry and manufacturing cost improve the stability and rigidity of fashioned iron.Manufacturing process is simple, and design is rationally, energy saving, ring
It protects.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of trench cover hot-rolled steel channel provided in an embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of trench cover hot-rolled steel channel finishing mill roll provided in an embodiment of the present invention.
Attached drawing mark
1, web；2, the first wing plate；3, the second wing plate；4, web outside recess striped；5, be recessed striped on the outside of the edge of a wing；6,
Upper horizontal roll；7, lower horizontal roll；8, left edging roll；9, right edging roll；10, web outside crossbanding；11, on the outside of the edge of a wing
Convex stripe.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Trench cover hot-rolled steel channel not only has anti-skidding, sound insulation and alleviates punching on the basis of guaranteeing cover plate intensity
The effect of load is hit, while outside striped can guarantee to exclude to flow through the rainwater on its surface in time in rainy season, to be effectively ensured
The safety of vehicle is run thereon.
Refering to fig. 1, trench cover hot-rolled steel channel includes trench cover hot-rolled steel channel ontology, web outside recess striped
4, be recessed striped 5 on the outside of the edge of a wing, and trench cover has web 1, the first wing plate 2 and the second wing plate 3, web with hot-rolled steel channel ontology
1 connect with the first wing plate 2 and the second wing plate 3 respectively, is integrated hot-roll forming.
Optionally, wing plate and the connection of web 1 inside are rounding off.Depression bar on the outside of web outside recess striped 4, the edge of a wing
Line 5 in trench cover by being formed with carrying out hot rolling on hot-rolled steel channel ontology, i.e. trench cover hot-rolled steel channel ontology and abdomen
Recess striped 4, edge of a wing outside recess striped 5 are integrally formed by hot rolling on the outside of plate, so can significantly save steel structure production enterprise
The production cycle of industry and manufacturing cost.
In order to produce trench cover hot-rolled steel channel, referring to fig. 2, the present invention provides trench cover hot-rolled steel channels
Rolling equipment comprising for rolling the finishing mill of trench cover hot-rolled steel channel ontology.Wherein, rolling device includes being used for
To the conticaster of blank；Heating furnace for being heated to blank；For carrying out roughing to the blank after heated stove heating
BD blooming mill；And for carrying out tandem rolling to the blank after BD blooming mill roughing to obtain trench cover hot-rolled steel channel sheet
The milling train group of body.
Specifically, finishing mill has upper horizontal roll 6, the lower horizontal roll 7 for rolling out recess striped on the outside of the edge of a wing
With the left edging roll 8 and right edging roll 9 for rolling out recess striped on the outside of the edge of a wing, referring to fig. 2, in the work of upper horizontal roll 6
Make the crossbanding 10 that several protrusions are set on face, in order to roll out web outside recess striped 4.On left edging roll 8 and the right side
Several convex stripes 11 perpendicular to end face are arranged in the working face of edging roll 9, in order to roll the striped 5 that is recessed on the outside of the edge of a wing.It answers
Used time, upper horizontal roll 6 and lower horizontal roll 7 are located above and below web 1, and upper horizontal roll 6 and lower level
Roll 7 is arranged in such a way that respective central axis is parallel to each other, and the working face of upper horizontal roll 6 fits in 1 outside of web, is lauched
The left and right end face of flat-rolled roller 7 is fitted in respectively on the inside of the first wing plate and the second wing plate.
In order to improve the ability that web outside excludes ponding, multiple crossbandings can be set as needed in web outside；It hands over
The angle for pitching striped is 60 ° -120 °；The section of striped is semicircle.
The present invention produces trench cover hot-rolled steel channel by using the rolling equipment of trench cover hot-rolled steel channel, realizes
The hot rolling of trench cover hot-rolled steel channel is integrally formed, and improves manufacture efficiency, so that steel structure production enterprise be greatly saved
The production cycle of industry and manufacturing cost improve the stability and rigidity of fashioned iron.Manufacturing process is simple, and design is rationally, energy saving, ring
It protects.
The present invention also provides the production methods of trench cover hot-rolled steel channel, are given birth to by rolling equipment above-mentioned
It produces.
Specifically, which includes:
Split rolling method is carried out to blank；
Wherein, before carrying out roughing to blank, the blank continuous casting that blank is obtained by conticaster is also needed, then by blank
Roughing is carried out by blooming mill into heating stove heating, then by the blank after heating, wherein blank is preferably that square billet or near-net-shape are different
Parison.
Tandem rolling is carried out to roll out trench cover hot-rolled steel channel ontology to the blank after split rolling method technique roughing
Rolling；
Wherein, the blank after roughing is through milling train group continuous rolling at trench cover hot-rolled steel channel ontology.
After rolling, using finishing mill in trench cover with rolling out web outside striped and the wing on hot-rolled steel channel ontology
Striped on the outside of edge.
Wherein, the specific structure of finishing mill can be found in the description as described in finishing mill in embodiment one, no longer go to live in the household of one's in-laws on getting married one by one herein
It states, in use, the upper horizontal roll of finishing mill and lower horizontal roll are located at the upper and lower of web.In practice, rib milling train
Upper horizontal roll and lower horizontal roll can be separately provided, can also be using the upper level of last group of milling train in mm finishing mill unit
Roll and lower horizontal roll.
The present invention is another to be had the beneficial effect that:
Trench cover hot-rolled steel channel is produced by using the rolling equipment of trench cover hot-rolled steel channel, realizes pipe trench
The hot rolling of cover board hot-rolled steel channel is integrally formed, and manufacture efficiency is improved, so that the life of Gang Gou manufacturing enterprise be greatly saved
Period and manufacturing cost are produced, the stability and rigidity of fashioned iron are improved.Manufacturing process is simple, and rationally, energy conservation is environmentally friendly for design.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (5)
1. a kind of for rolling the rolling equipment of trench cover channel steel, which is characterized in that
The trench cover channel steel includes web, the first wing plate and the second wing plate, and the web is rectangle, and the two of the web
End is connected with the first wing plate and the second wing plate respectively, and two wing plates are parallel to each other and vertical with the bottom side of web, web, first
Striped on the outside of wing plate and the second wing plate with recess；The channel steel is integrated hot rolling structure；
The rolling equipment includes:
With upper horizontal roll, lower horizontal roll, left edging roll and right edging roll finishing mill；
The central axis of the central axis of the upper horizontal roll and the lower horizontal roll is parallel to each other and relative on the web
It is lower symmetrical；
The convex stripe that the working face setting of the upper horizontal roll intersects；
The central axis of the central axis of the left edging roll and the right edging roll is parallel to each other and symmetrically sets relative to the web
It sets；
The convex stripe perpendicular to roll end face is arranged in the working face of the left edging roll and right edging roll.
2. rolling equipment according to claim 1, which is characterized in that the working face setting of the upper horizontal roll intersected
Convex stripe is to be arranged at equal intervals, and the web outside striped is crossbanding, and two stripe angles are 60 ° -120 °, the item
Line section is semicircle.
3. rolling equipment according to claim 1, which is characterized in that the working face of the left edging roll and right edging roll is set
The convex stripe perpendicular to roll end face set is to be arranged at equal intervals, and the striped section is semicircle.
4. rolling equipment according to claim 1, which is characterized in that the rolling equipment further includes conticaster, heating furnace
With milling train group.
5. a kind of method for preparing trench cover channel steel using rolling equipment as claimed in claim 4, comprising:
1) split rolling method is carried out to blank；
2) tandem rolling is carried out to roll out trench cover hot-rolled steel channel to the blank after the split rolling method technique roughing；
3) using finishing mill in the trench cover with rolling out side slat outside web outside striped and the edge of a wing on hot-rolled steel channel ontology
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878442.5A CN106345804B (en) | 2016-10-08 | 2016-10-08 | The rolling equipment and milling method of trench cover channel steel, trench cover channel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878442.5A CN106345804B (en) | 2016-10-08 | 2016-10-08 | The rolling equipment and milling method of trench cover channel steel, trench cover channel steel |
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| Publication Number | Publication Date |
|---|---|
| CN106345804A CN106345804A (en) | 2017-01-25 |
| CN106345804B true CN106345804B (en) | 2019-06-18 |
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| CN201610878442.5A Active CN106345804B (en) | 2016-10-08 | 2016-10-08 | The rolling equipment and milling method of trench cover channel steel, trench cover channel steel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035074A (en) * | 2017-05-03 | 2017-08-11 | 马鞍山瑞马钢构材料有限公司 | A kind of hot rolling decorative pattern H profile steel and its roll and milling method |
| CN110935725B (en) * | 2019-11-14 | 2021-06-01 | 江阴康瑞成型技术科技有限公司 | Processing technology of special-shaped material for SIM card holder of titanium alloy mobile phone |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117801A (en) * | 1980-02-18 | 1981-09-16 | Kawasaki Steel Corp | Manufacture of h-beam with flange provided with external projected lines |
| JPS62107802A (en) * | 1985-11-05 | 1987-05-19 | Kawasaki Steel Corp | Production of wide flange beam having projection only on outside surface of one flange |
| JP2861831B2 (en) * | 1994-11-10 | 1999-02-24 | 住友金属工業株式会社 | Rolling method of constant parallel flange channel steel with external method |
| CN2290425Y (en) * | 1996-09-09 | 1998-09-09 | 谢德河 | Sections |
| JPH1147803A (en) * | 1997-07-31 | 1999-02-23 | Kawasaki Steel Corp | Production of wide flange shape with small angular projection and beveling |
| JP2000167602A (en) * | 1998-12-03 | 2000-06-20 | Topy Ind Ltd | Deformed channel steel, its manufacture, and slope way using such steel |
| JP6419409B2 (en) * | 2011-07-11 | 2018-11-07 | Ｊｆｅスチール株式会社 | Lining board |
| CN206174005U (en) * | 2016-09-28 | 2017-05-17 | 山东钢铁股份有限公司 | U profiled steel structure board |
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2016
- 2016-10-08 CN CN201610878442.5A patent/CN106345804B/en active Active
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