CN207230145U - A kind of J-type channel steel - Google Patents
A kind of J-type channel steel Download PDFInfo
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- CN207230145U CN207230145U CN201720986623.XU CN201720986623U CN207230145U CN 207230145 U CN207230145 U CN 207230145U CN 201720986623 U CN201720986623 U CN 201720986623U CN 207230145 U CN207230145 U CN 207230145U
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Abstract
It the utility model is related to a kind of J-type channel steel.Including web, first wing plate and the second wing plate, the lateral surface of web is equipped with the 3rd wing plate, first wing plate, web, the outer lateral section of channel steel that 3rd wing plate and the second wing plate are formed is by first level line segment, first vertical line segment, first oblique line section, second horizontal line section, 3rd horizontal line section, connect the first circular arc line segment of the second horizontal line section and the 3rd horizontal line section, second vertical line segment, connect the second circular arc line segment of the 3rd horizontal line section and the second vertical line segment, 4th horizontal line section and the three-arc line segment of the second vertical line segment of connection and the 4th horizontal line section form, it is in smoothing junction between above-mentioned each line segment.As shown from the above technical solution, the utility model by the inside cross-sectional of channel steel and outer lateral section by being designed to on-plane surface, not only the light-weight design of channel steel had been realized but also can meet load carrying capacity, the efficiency of fork truck can be improved by configuring the door frame assembly of the channel steel, expand visual field during driver's operation.
Description
Technical field
It the utility model is related to a kind of J-type channel steel.
Background technology
Door frame is the key position of fork truck stress, and the rigidity of channel steel is even more important for certain load.At present, big portion
Point door frame be made of traditional J-type channel steel, although intensity and toughness is guaranteed, area of section is larger, meter Chong compared with
Greatly, cause the dead weight of door frame larger, finally increase the energy consumption of fork truck itself；Simultaneously because two wing plates are wider, it is total for door frame
For, same door frame outer width, its home record width is smaller, influences the visual field of driver, has not only influenced operating efficiency but also there is peace
Full hidden danger；Problem above eventually reduces effectively being worth for client.
Utility model content
The purpose of this utility model is to provide a kind of J-type channel steel, which can be simultaneous at the same time by the optimization of cross sectional shape
Longitudinal direction and horizontal bending resistance are cared for, can meet the requirement of different operating modes.
To achieve the above object, the utility model employs following technical scheme：Including web and perpendicular to web both ends
The first wing plate and the second wing plate set, the lateral surface of the web are equipped with perpendicular to web close to the position of the second wing plate
3rd wing plate, it is characterised in that：The outer lateral section of channel steel that first wing plate, web, the 3rd wing plate and second wing plate is formed
It is horizontal by first level line segment, the first vertical line segment, the first oblique line section, the second horizontal line section, the 3rd horizontal line section, connection second
First circular arc line segment of line segment and the 3rd horizontal line section, the second vertical line segment, be connected the 3rd horizontal line section and the second vertical line segment
The second circular arc line segment, the 4th horizontal line section and connection the second vertical line segment and the 4th horizontal line section three-arc line segment group
Into smooth connection between above-mentioned each line segment.
The channel steel inside cross-sectional that first wing plate, web and the second wing plate are formed is by the 5th horizontal line section, the second oblique line
Section, the 3rd vertical line segment, the 3rd oblique line section and the 6th horizontal line section are formed, the 5th horizontal line section and first level line segment
Free end be connected by the 4th vertical line segment, the free end of the 6th horizontal line section and the 4th horizontal line section passes through the 5th
Vertical line segment is connected, in smoothing junction between above-mentioned each line segment, and between the second oblique line section, tri- vertical line segments of the 3rd oblique line Duan Yu
Angle be 0~2 °.
The distance between angle point and the 3rd vertical line segment of 3rd oblique line Duan Yu, six horizontal line sections are g, described
The distance between the angle point of second oblique line Duan Yu, five horizontal line sections and the 3rd vertical line segment are f, then g >=2f.
The height of first wing plate is b, and the height of second wing plate is a, then a≤b.
The height of the 3rd vertical line segment is d, and the height of the second oblique line section is c, the height of the 3rd oblique line section
Spend for e, then d >=c+e.
The height of the first vertical line segment is s, and the height of the first oblique line section is h, second horizontal line section with
Height between 3rd horizontal line section is k, and the height between the 3rd horizontal line section and the 4th horizontal line section is m, then s >=h+
k+m。
Height between 3rd horizontal line section and the 4th horizontal line section is m, and the height of second wing plate is a, then
M-a ＞ 5.
Height between 3rd horizontal line section and the 4th horizontal line section is m, second horizontal line section and the 3rd water
Height between horizontal line section is k, and the height of the 3rd oblique line section is e, and the height of second wing plate is a, then m+k=e+a.
The radian value of the first circular arc line segment is 0 °~k °, wherein k for the second horizontal line section and the 3rd horizontal line section it
Between distance.
As shown from the above technical solution, the utility model is non-flat by the way that the inside cross-sectional of channel steel and outer lateral section are designed to
Face, had not only realized the light-weight design of channel steel but also can meet load carrying capacity, configures the door frame assembly of the channel steel and can improve fork truck
Efficiency, expand driver's operation when the visual field.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the utility model；
Fig. 2 is the distribution schematic diagram of each line segment of the utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
A kind of J-type channel steel as shown in Figure 1, including web 1 and the first wing plate 2 for being set perpendicular to 1 both ends of web and the
Two wing plates 3, the lateral surface of web 1 are being equipped with the 3rd wing plate 4 perpendicular to web, the first wing plate close to the position of the second wing plate 3
2nd, the outer lateral section of the channel steel that web 1, the 3rd wing plate 4 and the second wing plate 3 are formed is by first level line segment 21, the first vertical line segment
11st, the first oblique line section 41, the second horizontal line section 42, the 3rd horizontal line section 43, the second horizontal line section 42 of connection and the 3rd horizontal line
Section 43 the first circular arc line segment 44, the second vertical line segment 45, connection the 3rd horizontal line section 43 and the second vertical line segment 45 second
Circular arc line segment 46, the 4th horizontal line section 31 and the three-arc line segment for connecting the second vertical 45 and the 4th horizontal line section 31 of line segment
47 form, in smoothing junction between above-mentioned each line segment.This structure is in the case where the intensity and toughness for making channel steel is met the requirements, additionally it is possible to
The cross sectional shape of channel steel is allowed more reasonably to be molded.
Further, the channel steel inside cross-sectional that the first wing plate 2,1 and second wing plate 3 of web are formed is by the 5th horizontal line section
22nd, the second oblique line section 12, the 3rd vertical line segment 13, the 3rd oblique line section 14 and the 6th horizontal line section 32 are formed, the 5th horizontal line
Section 22 is connected with the free end of first level line segment 21 by the 4th vertical line segment 23, the 6th horizontal line section 32 and the 4th horizontal line
The free end of section 31 is connected by the 5th vertical line segment 33, in smoothing junction between above-mentioned each line segment, and the second oblique line section the 12, the 3rd
Angle between 14 and the 3rd vertical line segment 13 of oblique line section is 0~2 °.
Further, between the 3rd oblique line section 14 and the angle point and the 3rd vertical line segment 13 of the 6th horizontal line section 32 away from
From being f for the distance between g, the angle point and the 3rd vertical line segment 13 of the second oblique line section 12 and the 5th horizontal line section 22, then g >=
2f.Keep this proportionate relationship so that the angle point of the 3rd oblique line section 14 and the 6th horizontal line section 32 with the second oblique line section 12 with
There are difference in height all the time between the angle point of 5th horizontal line section 22；It is lateral stressed so to set and can protrude the 3rd oblique line section 14
Face, the second oblique line section 12 are non-lateral stressed faces.
Further, the height of the first wing plate 2 is b, and the height of the second wing plate 3 is a, then a≤b.This ratio is kept to close
System so that the height of the first wing plate 2 is higher than the height of the second wing plate 3；So setting can make the bending resistance of the first wing plate not low
In the bending resistance of the second wing plate.
Further, the height of the 3rd vertical line segment 13 is d, and the height of the second oblique line section 12 is c, the 3rd oblique line section 14
Highly be e, then d >=c+e.Keep this proportionate relationship so that the height of the 3rd vertical line segment 13 of J-type channel steel at least accounts for home record
More than half of height.Surfacing when so design can ensure that the 3rd vertical line segment 13 as stress surface, also ensures that at the same time
Certain gap is kept between roller axial end and the second oblique line section and the 3rd oblique line section.
Further, the height of the first vertical line segment 11 is s, and the height of the first oblique line section 41 is h, the second horizontal line section 42
Height between the 3rd horizontal line section 43 is k, and the height between the 3rd horizontal line section 43 and the 4th horizontal line section 31 is m, then s
≥h+k+m.Such a proportionate relationship causes the height of the first vertical line segment 11 of J-type channel steel at least to account for the one of J-type channel steel total height
More than half, surfacing when so design can ensure that the first vertical line segment 11 as stress surface
Further, the height between the 3rd horizontal line section 43 and the 4th horizontal line section 31 is m, the height of the second wing plate 3
For a, then m-a ＞ 5.J-type channel steel lateral bearing when such a proportionate relationship can lift the first vertical line segment 11 as stress surface
Ability, and the design of door frame assembly can make door frame assembly structure compact when being combined using C-shaped channel steel with the J-type channel steel, play reduction
The effect of front overhang.
Further, the height between the 3rd horizontal line section 43 and the 4th horizontal line section 31 is m, the second horizontal line section 42 with
Height between 3rd horizontal line section 43 is k, and the height of the 3rd oblique line section 14 is e, and the height of the second wing plate 3 is a, then m+k=e+
a.So design can form the second wing plate 3, the 3rd wing plate 4, the second vertical line segment 45, the second circular arc line segment 46, three-arc line
The section in smoothing junction formed such as the 47, the 3rd oblique line section 14 of section, makes it have the bearing capacity of equilibrium.
Further, the radian value of the first circular arc line segment 44 is 0 °~k °, and wherein k is the second horizontal line section 42 and the 3rd water
The distance between horizontal line section 43.So design, which may be such that, contributes to channel steel lightweight, while when door frame assembly is designed according to phase
Cross sectional shape with channel steel, if the first circular arc line segment 44 can use Rouno Cormer Pregrinding Wheel, which can be used as confined planes, have adjustment
The effect in inside and outside door frame gap.
The operation principle of the utility model is as follows：
Channel steel is primarily subjected to two power in longitudinal direction and crossbeam in portal-framed structure, and longitudinal stress point one is to act on the 5th level
At line segment and the 6th horizontal line section, second, acting on the second horizontal line section 42 and the 3rd horizontal line section 43 or the first circular arc line segment 44
Place；Three kinds of situations of horizontal force point：The lateral stressed point of the first situation acts on the 3rd vertical line segment and the first vertical line segment；
The lateral stressed point of the second situation is acted in the 3rd oblique line section and the first oblique line section；The lateral stressed point of the third situation is made successively
For the 3rd vertical line segment and the 3rd oblique line section or the first vertical line segment and the first oblique line section.The first stress can simplify fork truck
The requirement of door frame roller installation system, can use and substitute existing main roller plus side roller pattern using a kind of roller；The second situation
Using composite rolling wheel pattern；The third situation can use composite rolling wheel pattern or step roller；Three cases above can change
The stress of kind gantry channel-steel, improves the service life of channel steel.
The beneficial effects of the utility model are：1）The cross section structure of the channel steel can meet the topology layout of a variety of door frames,
And channel steel is set to realize light-weight design；2）Can be at the same time and to horizontal bending resistance；3）The door frame for being applicable to different operating modes will
Ask.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New scope is defined, and on the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made, should all fall into the protection that the utility model claims book determines
In the range of.
Claims (9)
1. a kind of J-type channel steel, including web（1）And perpendicular to web（1）The first wing plate that both ends are set（2）And second wing plate
（3）, the web（1）Lateral surface close to the second wing plate（3）Position be equipped with perpendicular to web the 3rd wing plate（4）, its
It is characterized in that：First wing plate（2）, web（1）, the 3rd wing plate（4）And second wing plate（3）The outer lateral section of the channel steel of composition
By first level line segment（21）, the first vertical line segment（11）, the first oblique line section（41）, the second horizontal line section（42）, it is the 3rd horizontal
Line segment（43）, connection the second horizontal line section（42）With the 3rd horizontal line section（43）The first circular arc line segment（44）, the second vertical curve
Section（45）, connection the 3rd horizontal line section（43）With the second vertical line segment（45）The second circular arc line segment（46）, the 4th horizontal line section
（31）And the second vertical line segment of connection（45）With the 4th horizontal line section（31）Three-arc line segment（47）Composition, above-mentioned each line
It is in smoothing junction between section.
2. J-type channel steel according to claim 1, it is characterised in that：First wing plate（2）, web（1）And second wing plate
（3）The channel steel inside cross-sectional of composition is by the 5th horizontal line section（22）, the second oblique line section（12）, the 3rd vertical line segment（13）, the 3rd
Oblique line section（14）And the 6th horizontal line section（32）Form, the 5th horizontal line section（22）With first level line segment（21）From
4th vertical line segment is passed through by end（23）It is connected, the 6th horizontal line section（32）With the 4th horizontal line section（31）Free end
Pass through the 5th vertical line segment（33）It is connected, it is in smoothing junction between above-mentioned each line segment, and the second oblique line section（12）, the 3rd oblique line section
（14）With the 3rd vertical line segment（13）Between angle be 0~2 °.
3. J-type channel steel according to claim 2, it is characterised in that：The 3rd oblique line section（14）With the 6th horizontal line section
（32）Angle point and the 3rd vertical line segment（13）The distance between be g, the second oblique line section（12）With the 5th horizontal line section
（22）Angle point and the 3rd vertical line segment（13）The distance between be f, then g >=2f.
4. J-type channel steel according to claim 1, it is characterised in that：First wing plate（2）Height be b, described second
Wing plate（3）Height be a, then a≤b.
5. J-type channel steel according to claim 2, it is characterised in that：The 3rd vertical line segment（13）Height be d, institute
State the second oblique line section（12）Height be c, the 3rd oblique line section（14）Height be e, then d >=c+e.
6. J-type channel steel according to claim 1, it is characterised in that：The first vertical line segment（11）Height be s, institute
State the first oblique line section（41）Height be h, second horizontal line section（42）With the 3rd horizontal line section（43）Between height be
K, the 3rd horizontal line section（43）With the 4th horizontal line section（31）Between height be m, then s >=h+k+m.
7. J-type channel steel according to claim 1, it is characterised in that：3rd horizontal line section（43）With the 4th horizontal line
Section（31）Between height be m, second wing plate（3）Height be a, then m-a ＞ 5.
8. J-type channel steel according to claim 2, it is characterised in that：3rd horizontal line section（43）With the 4th horizontal line
Section（31）Between height be m, second horizontal line section（42）With the 3rd horizontal line section（43）Between height be k, it is described
3rd oblique line section（14）Height be e, second wing plate（3）Height be a, then m+k=e+a.
9. J-type channel steel according to claim 1, it is characterised in that：The first circular arc line segment（44）Radian value be 0 °
~k °, wherein k is the second horizontal line section（42）With the 3rd horizontal line section（43）The distance between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986623.XU CN207230145U (en) | 2017-08-08 | 2017-08-08 | A kind of J-type channel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720986623.XU CN207230145U (en) | 2017-08-08 | 2017-08-08 | A kind of J-type channel steel |
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| Publication Number | Publication Date |
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| CN207230145U true CN207230145U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720986623.XU Active CN207230145U (en) | 2017-08-08 | 2017-08-08 | A kind of J-type channel steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591812A (en) * | 2018-06-22 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of J-type forklift door frame hot-rolled steel section |
-
2017
- 2017-08-08 CN CN201720986623.XU patent/CN207230145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591812A (en) * | 2018-06-22 | 2018-09-28 | 山东钢铁股份有限公司 | A kind of J-type forklift door frame hot-rolled steel section |
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