CN106345804A - Steel channel for pipe ditch cover plate, rolling device of steel channel for pipe ditch cover plate and rolling method - Google Patents
Steel channel for pipe ditch cover plate, rolling device of steel channel for pipe ditch cover plate and rolling method Download PDFInfo
- Publication number
- CN106345804A CN106345804A CN201610878442.5A CN201610878442A CN106345804A CN 106345804 A CN106345804 A CN 106345804A CN 201610878442 A CN201610878442 A CN 201610878442A CN 106345804 A CN106345804 A CN 106345804A
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- CN
- China
- Prior art keywords
- rolling
- roll
- web
- steel channel
- wing plate
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- 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.)
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Classifications
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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 a rolling device of hot-rolled steel channel for a pipe ditch cover plate and a production method. The steel channel comprises a web plate, a first wing plate and a second wing plate, wherein the web plate is rectangular, and two ends of the web plate are respectively connected with the first wing plate and the second wing plate. The rolling device comprises a rolling device body for rolling a hot-rolled steel channel body for the pipe ditch cover plate and a finishing mill for rolling web plate outer side stripes and flange outer side stripes on the hot-rolled steel channel body for the pipe ditch cover plate. The finishing mill is provided with an upper horizontal roller and a lower horizontal roller, and the central axis of the upper horizontal roller and the central axis of the lower horizontal roller are mutually parallel. The finishing mill is provided with a left vertical roller and a right vertical roller, and the central axis of the left vertical roller and the central axis of the right vertical roller are mutually parallel. By the adoption of the technical scheme, the production period of a streel structure production enterprise is shortened, the manufacturing cost of the enterprise is saved, and the stability and rigidity of the hot-rolled steel channel for the pipe ditch cover plate are improved.
Description
Technical field
The present invention relates to the field related with trench cover material for building is and in particular to a kind of trench cover groove
Steel, the rolling equipment of trench cover channel-section steel and milling method.
Background technology
During the Facilities Construction such as subway, trestle, parking systems, abrupt slope track, room passage, and rob repair roads,
When building the facility construction such as disaster area sidewalk and construction temporary platform, the engineering time is effectively reduced using cover plate, improves work
Efficiency.Progressively by steel with the continuous development of domestic field of steel structure, original cover plate by concrete and reinforcing bar manufacture
Structure cover plate is replaced.The cover plate being manufactured using conventional Hot Rolled H Beam or cold-rolled forming section, when using in rainy season, cover plate table
The easy hydrops of face, or lead to impeded drainage, bring potential safety hazard for follow-up road.
Content of the invention
In order to solve the above 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 prepare rolling of trench cover hot-rolled steel channel
Control equipment.
The trench cover channel-section steel that the present invention provides includes web, the first wing plate and the second wing plate, and described web is rectangle,
The two ends of described web are connected with the first wing plate and the second wing plate respectively, and two wing plates are parallel to each other and are all hung down with the bottom side of web
Directly, the striped all with depression outside web, the first wing plate and the second wing plate, described channel-section steel is integrated hot rolling structure.
The striped of the web outside depression of channel-section steel of the present invention, not only has effect that is anti-skidding and alleviating shock loading,
Can also ensure that exclusion in time flows through the rainwater on its surface in rainy season.Outside first wing plate and the second wing plate, the striped of depression is permissible
Ensure that exclusion in time flows through the rainwater on its surface in rainy season.
Preferably, described first wing plate and the second wing plate have same shape and size.
This kind of structure design of the present invention can improve the intensity of trench cover hot-rolled steel channel, makes trench cover heat
Groove steel is more firm.
Preferably, described first wing plate and the second wing plate are set to seamlessly transit with web junction.This kind of design excellent
Point is, junction makes stress evenly in smooth curved transition, and integrally bending stress and local stress numerical more they tend to balance,
Safety coefficient improves.
Preferably, described first wing plate, the cross section of the second wing plate plate are rectangle, described the 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
The thickness ratio of wing plate and web and length than be according to factors such as the applied environment of component, bearing capacitys and specific selection
's.
Present invention also offers a kind of rolling equipment of trench cover hot-rolled steel channel, described rolling equipment includes having
Horizontal roll, the finishing mill of lower horizontal roll, left edging roll and right edging roll, described upper horizontal roll is used in described pipe trench lid
Web outside striped is rolled out on plate hot-rolled steel channel body, described left edging roll and right edging roll are used in hot-rolled steel channel body
On roll out striped outside the edge of a wing；
The central shaft of the central shaft of described upper horizontal roll and described lower horizontal roll is parallel to each other and with respect to described abdomen
Plate is symmetrical above and below；
The convex stripe that the work surface setting of described upper horizontal roll intersects；
The central shaft of the central shaft of described left edging roll and described right edging roll is parallel to each other and with respect to described web pair
Claim setting；
The work surface setting of described left edging roll and right edging roll is perpendicular to the convex stripe of roll end face.
Described upper horizontal roll is used for rolling out web outside striped, institute on described trench cover hot-rolled steel channel body
State left edging roll and right edging roll is used for rolling out striped outside the edge of a wing on hot-rolled steel channel body
Preferably, the convex stripe that the work surface setting of described upper horizontal roll intersects is to arrange at equal intervals, described web
Outside striped is crossbanding, and two striped angle is 60 ° -120 °, and described striped section is semicircle.
Preferably, the convex stripe perpendicular to roll end face of the work surface setting of described left edging roll and right edging roll is
Arrange at equal intervals, described striped section is semicircle.
Preferably, described rolling device also includes conticaster, heating furnace and milling train group.
The invention also discloses a kind of method of rolling trench cover channel-section 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 described split rolling method technique roughing；
3) web outside striped and the edge of a wing are rolled out on described trench cover hot-rolled steel channel body using rolling equipment
Outside striped.
The trench cover hot-rolled steel channel of the present invention can make up the defect of above-mentioned shaped steel, meets the manufacture of steel structure cover plate
Demand.Trench cover hot-rolled steel channel includes the web with depression striped for the outside, the wing plate with depression striped for a pair of outside.
, as steel structure cover plate groundwork face, it can be on the basis ensureing cover plate intensity for the web with depression striped for the outside
On, not only there is anti-skidding, sound insulation and the effect of alleviation shock loading, outside striped can ensure that and excludes stream in time in rainy season simultaneously
Rainwater through its surface, thus be effectively ensured the safety running vehicle thereon.
The present invention passes through to produce trench cover hot-rolled steel channel 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, thus steel structure is greatly saved produce enterprise
The production cycle Manufacturing cost of industry, improves stability and the rigidity of shaped steel.Manufacturing process is simple, reasonable in design, energy-conservation, ring
Protect.
Brief description
Fig. 1 is the schematic perspective view of trench cover hot-rolled steel channel provided in an embodiment of the present invention；
Fig. 2 is the schematic perspective view of trench cover hot-rolled steel channel finishing mill roll provided in an embodiment of the present invention.
Accompanying drawing identifies
1st, web；2nd, the first wing plate；3rd, the second wing plate；4th, web outside depression striped；5th, be recessed outside the edge of a wing striped；6、
Upper horizontal roll；7th, lower horizontal roll；8th, left edging roll；9th, right edging roll；10th, web outside crossbanding；11st, outside the edge of a wing
Convex stripe.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Trench cover hot-rolled steel channel, on the basis of ensureing cover plate intensity, not only has anti-skidding, sound insulation and alleviates punching
Hit the effect of load, outside striped can ensure that exclusion in time flows through the rainwater on its surface in rainy season, thus being effectively ensured simultaneously
Run the safety of vehicle thereon.
Refering to Fig. 1, trench cover hot-rolled steel channel includes trench cover hot-rolled steel channel body, web outside depression striped
4th, be recessed outside the edge of a wing striped 5, and trench cover hot-rolled steel channel body has web 1, the first wing plate 2 and the second wing plate 3, web
1 is connected with the first wing plate 2 and the second wing plate 3 respectively, and it is integrated hot-roll forming.
Optionally, wing plate and web 1 connect inner side for rounding off.Be recessed outside web outside depression striped 4, the edge of a wing bar
Stricture of vagina 5 all by being formed with hot rolling is carried out on hot-rolled steel channel body in trench cover, i.e. trench cover hot-rolled steel channel body and abdomen
Depression striped 4 outside plate, depression striped 5 is integrally formed by hot rolling outside the edge of a wing, so can significantly save steel structure and produces and look forward to
The production cycle Manufacturing cost of industry.
In order to produce trench cover hot-rolled steel channel, referring to Fig. 2, the invention provides trench cover hot-rolled steel channel
Rolling equipment, it includes the finishing mill for rolling trench cover hot-rolled steel channel body.Wherein, rolling device is included for obtaining
Conticaster to blank；For the heating furnace that blank is heated；For roughing is carried out to the blank after heated stove heat
Bd blooming mill；And for the blank after bd blooming mill roughing being carried out with tandem rolling to obtain trench cover hot-rolled steel channel originally
The milling train group of body.
Specifically, finishing mill has for rolling out the upper horizontal roll 6 of depression striped, lower horizontal roll 7 outside the edge of a wing
With for rolling out be recessed outside the edge of a wing left edging roll 8 of striped and right edging roll 9, referring to Fig. 2, in the work of upper horizontal roll 6
Make the crossbanding 10 of several projections is arranged on face, in order to roll out web outside depression striped 4.On left edging roll 8 and the right side
The work surface of edging roll 9 arranges several convex stripes 11 perpendicular to end face, in order to roll depression striped 5 outside the edge of a wing.Should
Used time, upper horizontal roll 6 and lower horizontal roll 7 are located above and below web 1 respectively, and upper horizontal roll 6 and lower level
Roll 7 is arranged in the way of respective central shaft is parallel to each other, and the work surface of upper horizontal roll 6 fits in outside web 1, lower water
The left and right end face of flat-rolled roller 7 fits in inside the first wing plate and the second wing plate respectively.
In order to improve the ability that web outside drains the water away, web outside can be arranged as required to multiple crossbandings；Hand over
The angle of fork striped is 60 ° -120 °；The section of striped is semicircle.
The present invention passes through to produce trench cover hot-rolled steel channel 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, thus steel structure is greatly saved produce enterprise
The production cycle Manufacturing cost of industry, improves stability and the rigidity of shaped steel.Manufacturing process is simple, reasonable in design, energy-conservation, ring
Protect.
Present invention also offers the production method of trench cover hot-rolled steel channel, given birth to by aforesaid rolling equipment
Produce.
Specifically, this production method includes:
Split rolling method is carried out to blank；
Wherein, before carrying out roughing to blank, also need to obtain the blank continuous casting of blank by conticaster, then by blank
Enter and heat stove heat, then the blank after heating is carried out roughing by blooming mill, wherein, blank is preferably square billet or near-net-shape is different
Parison.
Blank after split rolling method technique roughing is carried out with tandem rolling to roll out trench cover hot-rolled steel channel body
Rolling；
Wherein, the blank after roughing becomes trench cover hot-rolled steel channel body through milling train group continuous rolling.
After rolling, web outside striped and the wing are rolled out on trench cover hot-rolled steel channel body using finishing mill
Striped outside edge.
Wherein, the concrete structure of finishing mill can be found in the description in embodiment one with regard to finishing mill, no longer goes to live in the household of one's in-laws on getting married one by one herein
State, during use, the upper horizontal roll of finishing mill and lower horizontal roll are respectively positioned 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 milling train in mm finishing mill unit
Roll and lower horizontal roll.
The present invention is another to be had the beneficial effect that:
By trench cover hot-rolled steel channel is produced it is achieved that pipe trench using the rolling equipment of trench cover hot-rolled steel channel
The hot rolling of cover plate hot-rolled steel channel is integrally formed, and improves manufacture efficiency, thus the life of Gang Gou manufacturing enterprise is greatly saved
Product cycle Manufacturing cost, improves stability and the rigidity of shaped steel.Manufacturing process is simple, reasonable in design, energy-conservation, environmental protection.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence without departing from its spirit or essential feature
Case is realizing.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have within the scope of the present invention or be all included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of trench cover channel-section steel is it is characterised in that described channel-section steel includes web, the first wing plate and the second wing plate, described
Web is rectangle, and the two ends of described web are connected with the first wing plate and the second wing plate respectively, and two wing plates are parallel to each other and equal and abdomen
The bottom side of plate is vertical, the striped all with depression outside web, the first wing plate and the second wing plate；Described channel-section steel is integrated hot rolling
Structure.
2. a kind of rolling equipment for rolling trench cover channel-section steel described in claim 1 is it is characterised in that described rolling sets
Standby inclusion:
There is upper horizontal roll, the finishing mill of lower horizontal roll, left edging roll and right edging roll；
The central shaft of the central shaft of described upper horizontal roll and described lower horizontal roll is parallel to each other and with respect on described web
Lower symmetrical；
The convex stripe that the work surface setting of described upper horizontal roll intersects；
The central shaft of the central shaft of described left edging roll and described right edging roll is parallel to each other and symmetrically sets with respect to described web
Put；
The work surface setting of described left edging roll and right edging roll is perpendicular to the convex stripe of roll end face.
3. rolling equipment according to claim 2 is it is characterised in that the work surface of described upper horizontal roll arranges intersection
Convex stripe is to arrange at equal intervals, and described web outside striped is crossbanding, and two stripe angles are 60 ° -120 °, described bar
Stricture of vagina section is semicircle.
4. rolling equipment according to claim 2 is it is characterised in that the work surface of described left edging roll and right edging roll sets
The convex stripe perpendicular to roll end face put is to arrange at equal intervals, and described striped section is semicircle.
5. rolling equipment according to claim 2 is it is characterised in that described rolling device also includes conticaster, heating furnace
With milling train group.
6. a kind of method preparing trench cover channel-section steel using the rolling device described in claim 5, 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 described split rolling method technique roughing；
3) rolled out outside web outside striped and the edge of a wing on described trench cover hot-rolled steel channel body using rolling equipment
Striped.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106345804A true CN106345804A (en) | 2017-01-25 |
| CN106345804B CN106345804B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN106345804B (en) |
Cited By (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 |
| CN110935725A (en) * | 2019-11-14 | 2020-03-31 | 江阴康瑞成型技术科技有限公司 | Processing technology of novel special-shaped material special for SIM card holder of titanium alloy mobile phone |
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| 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 |
| JPH08132102A (en) * | 1994-11-10 | 1996-05-28 | Sumitomo Metal Ind Ltd | Method for rolling channel having parallel flange of constant outside dimension |
| 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 |
| JP2013036320A (en) * | 2011-07-11 | 2013-02-21 | Jfe Steel Corp | Covering plate |
| CN206174005U (en) * | 2016-09-28 | 2017-05-17 | 山东钢铁股份有限公司 | U profiled steel structure board |
-
2016
- 2016-10-08 CN CN201610878442.5A patent/CN106345804B/en active Active
Patent Citations (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 |
| JPH08132102A (en) * | 1994-11-10 | 1996-05-28 | Sumitomo Metal Ind Ltd | Method for rolling channel having parallel flange of constant outside dimension |
| 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 |
| JP2013036320A (en) * | 2011-07-11 | 2013-02-21 | Jfe Steel Corp | Covering plate |
| CN206174005U (en) * | 2016-09-28 | 2017-05-17 | 山东钢铁股份有限公司 | U profiled steel structure board |
Cited By (3)
| 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 |
| CN110935725A (en) * | 2019-11-14 | 2020-03-31 | 江阴康瑞成型技术科技有限公司 | Processing technology of novel special-shaped material special for SIM card holder of titanium alloy mobile phone |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106345804B (en) | 2019-06-18 |
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