CN214653399U - Fork truck is hot rolling C shaped steel for portal - Google Patents
Fork truck is hot rolling C shaped steel for portal Download PDFInfo
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- CN214653399U CN214653399U CN202120257671.1U CN202120257671U CN214653399U CN 214653399 U CN214653399 U CN 214653399U CN 202120257671 U CN202120257671 U CN 202120257671U CN 214653399 U CN214653399 U CN 214653399U
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- portal
- web
- shaped steel
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Abstract
The utility model belongs to the technical field of machinery and material processing technique and specifically relates to a fork truck is hot rolling C shaped steel for portal. Fork truck is hot rolling C shaped steel for portal includes: web, first pterygoid lamina and second pterygoid lamina, fork truck is hot rolling C shaped steel for portal still includes: a boss; the first wing plate and the second wing plate are positioned at two ends of the lower surface of the web plate and form a C-shaped structure with the web plate; the boss is located the junction of web lower surface and second alar plate left surface. The utility model discloses the operation field of vision is wide, light in weight, and rigidity is good, the hot rolling degree of difficulty and low in production cost.
Description
Technical Field
The utility model belongs to the technical field of machinery and material processing technique and specifically relates to a fork truck is hot rolling C shaped steel for portal.
Background
The portal is a lifting mechanism of the forklift and serves as a core working device of the forklift, safety and operation convenience are key indexes for measuring the advancement of the portal mechanism, profile steel used for manufacturing the portal is used as a basic component, and the safety and operation convenience of the whole portal are determined by the external dimension and the section characteristics of the profile steel. In recent years, the lift height of a forklift increases significantly with changes in work scenes. In order to cope with the change, the three-stage door frame is produced and replaces the two-stage door frame step by step, and the three-stage door frame is adopted, so that the lifting height is increased to 1.5 times of the original lifting height under the condition that the vehicle height is not changed, and the adaptability of a working scene is obviously improved. However, in use, the width of the steel wing plate of the portal frame in the prior art is large, the portal frame is increased from the second level to the third level, the thickness of the portal frame is increased, the working blind area is enlarged, and the operation convenience and the safety are reduced. To address this problem, the forklift industry typically reduces the width of the mast section steel wing panels to improve the field of view, but this can result in a reduction in the stiffness and safety of the mast. Although it can be compensated for by increasing the strength of the material, the manufacturing cost is increased accordingly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, reaches and has both reduced the work blind area, improves the operation field of vision, does not reduce portal rigidity again, can also save the effect of portal material, the utility model discloses an analysis fork truck portal workload's characteristic and stress distribution reinforce through optimizing cross-sectional design, under the condition of considering comprehensively material hot rolling process characteristics and bundling transportation convenience in optimizing, promoted load-carrying capacity and security and not increase the material quantity.
In order to achieve the above object, the utility model provides a fork truck is hot rolling C shaped steel for portal, fork truck is hot rolling C shaped steel for portal includes: web 1, first pterygoid lamina 2 and second pterygoid lamina 3, the portal still includes in the fork truck: a boss 4; the first wing plate 2 and the second wing plate 3 are positioned at two ends of the lower surface of the web plate 1, and further form a C-shaped structure together with the web plate 1; the boss 4 is located at the joint of the lower surface of the web 1 and the left side surface of the second wing plate 3.
Preferably, the thickness of the web 1 is 10-13mm, and the width is 170-176 mm; the thickness of the first wing plate 2 is 23-27mm, and the width is 33-37 mm; the thickness of the second wing plate 3 is 25-30mm, and the width is 33-37 mm; the width of the boss 4 is 20-30mm, and the height is 3-5 mm.
Preferably, the joints of all parts in the hot-rolled C-shaped steel for the forklift mast are all in arc transition, and the arc radius is between 3 and 12 mm.
Preferably, the angle theta between the boss 4 and the lower surface of the web 1 is 2-5 degrees.
Compared with the prior art, the utility model beneficial effect be:
1) the utility model discloses reduce the structure width of tertiary portal, enlarged the operation field of vision. By increasing the thickness of the two wing plates, the rigidity reduction of the portal frame caused by the reduction of the width of the wing plates is compensated.
2) The utility model discloses reduce web thickness, increased the web width, improved material utilization efficiency, further reduced the weight of portal, show the material saving under the obscure condition of portal rigidity decline.
3) The utility model increases the web strength of the contact position of the web and the working roller wheel, and alleviates the shape change of the connection part, reduces the abrasion of the die in the hot rolling process, and reduces the hot rolling difficulty and the production cost; the design of circular arc transition at the joint of each part further improves the structural strength.
4) The utility model discloses the operation field of vision is wide, light in weight, and rigidity is good, the hot rolling degree of difficulty and low in production cost.
Drawings
Figure 1 is the utility model discloses fork truck is hot rolling C shaped steel diagram for portal.
Reference numerals:
1. the web, 2, first pterygoid lamina, 3, second pterygoid lamina, 4, boss.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Example 1
The utility model provides a fork truck is hot rolling C shaped steel for portal, fork truck is hot rolling C shaped steel for portal includes: web 1, first pterygoid lamina 2 and second pterygoid lamina 3, the portal still includes in the fork truck: a boss 4; the first wing plate 2 and the second wing plate 3 are positioned at two ends of the lower surface of the web plate 1, and further form a C-shaped structure together with the web plate 1; the boss 4 is located at the joint of the lower surface of the web 1 and the left side surface of the second wing plate 3.
The thickness of the web plate 1 is 10mm, and the width of the web plate is 170 mm; the first wing plate 2 has a thickness of 23mm and a width of 33 mm; the second wing plate 3 has a thickness of 25mm and a width of 33 mm; the width of the boss 4 is 20mm, and the height is 3 mm.
The joints of the above parts are all arc transitions, and the radius of the arc is 3 mm.
The included angle theta between the boss 4 and the lower surface of the web plate 1 is 2 degrees.
Example 2
The utility model also provides a fork truck is hot rolling C shaped steel for portal, fork truck is hot rolling C shaped steel for portal includes: web 1, first pterygoid lamina 2 and second pterygoid lamina 3, the portal still includes in the fork truck: a boss 4; the first wing plate 2 and the second wing plate 3 are positioned at two ends of the lower surface of the web plate 1, and further form a C-shaped structure together with the web plate 1; the boss 4 is located at the joint of the lower surface of the web 1 and the left side surface of the second wing plate 3.
The web plate 1 has a thickness of 11mm and a width of 173 mm; the first wing plate 2 has a thickness of 25mm and a width of 35 mm; the second wing plate 3 has a thickness of 27mm and a width of 35 mm; the width of the boss 4 is 25mm, and the height is 4 mm.
The joints of the above parts are all arc transitions, and the radius of the arc is 8 mm.
The angle theta between the boss 4 and the lower surface of the web 1 is 4 degrees.
Example 3
The utility model also provides a fork truck is hot rolling C shaped steel for portal, fork truck is hot rolling C shaped steel for portal includes: web 1, first pterygoid lamina 2 and second pterygoid lamina 3, the portal still includes in the fork truck: a boss (4); the first wing plate 2 and the second wing plate 3 are positioned at two ends of the lower surface of the web plate 1, and further form a C-shaped structure together with the web plate 1; the boss 4 is located at the joint of the lower surface of the web 1 and the left side surface of the second wing plate 3.
The thickness of the web plate 1 is 13mm, and the width of the web plate is 176 mm; the first wing plate 2 has a thickness of 27mm and a width of 37 mm; the second wing plate 3 has a thickness of 30mm and a width of 37 mm; the width of the boss 4 is 30mm, and the height is 5 mm.
The joints of the above parts are all arc transition, and the radius of the arc is 12 mm.
The angle theta between the boss 4 and the lower surface of the web 1 is 5 degrees.
The utility model discloses a reduce the width of two pterygoid laminas, reduced the structure width of tertiary portal, enlarged the operation field of vision. By increasing the thickness of the two wing plates, the rigidity reduction of the portal frame caused by the reduction of the width of the wing plates is compensated.
The utility model discloses a reduce the thickness of web, increase the web width, improved material utilization efficiency, further reduced the weight of portal, show the material saving under the obscure condition of portal rigidity decline.
The utility model discloses an increase the boss at second wing left surface, increased the web intensity with work running roller contact position on the one hand, on the other hand has alleviated the shape change at connection position, has alleviateed the wearing and tearing of mould in the hot rolling course of working, has reduced the hot rolling degree of difficulty and manufacturing cost.
The utility model discloses each position junction is the design of circular arc transition, has further improved structural strength.
Conventional technical knowledge in the field can be adopted in the content which is not described in detail in the present invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a fork truck is hot rolled C shaped steel for portal, fork truck is hot rolled C shaped steel for portal includes: web (1), first pterygoid lamina (2) and second pterygoid lamina (3), its characterized in that, fork truck is hot rolling C shaped steel for portal still includes: a boss (4); the first wing plate (2) and the second wing plate (3) are positioned at two ends of the lower surface of the web plate (1) and form a C-shaped structure with the web plate (1); the boss (4) is positioned at the joint of the lower surface of the web plate (1) and the left side surface of the second wing plate (3).
2. The hot-rolled C-shaped steel for the forklift mast according to claim 1, wherein the web (1) has a thickness of 10-13mm and a width of 170-176 mm; the thickness of the first wing plate (2) is 23-27mm, and the width is 33-37 mm; the thickness of the second wing plate (3) is 25-30mm, and the width is 33-37 mm; the width of the boss (4) is 20-30mm, and the height is 3-5 mm.
3. The hot-rolled C-shaped steel for the forklift mast as claimed in claim 1, wherein the joints of all parts in the hot-rolled C-shaped steel for the forklift mast are all arc transitions, and the arc radius is between 3mm and 12 mm.
4. The hot-rolled C-shaped steel for the forklift mast according to claim 1, characterized in that the included angle theta between the boss (4) and the lower surface of the web (1) is 2-5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257671.1U CN214653399U (en) | 2021-01-29 | 2021-01-29 | Fork truck is hot rolling C shaped steel for portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257671.1U CN214653399U (en) | 2021-01-29 | 2021-01-29 | Fork truck is hot rolling C shaped steel for portal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653399U true CN214653399U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120257671.1U Active CN214653399U (en) | 2021-01-29 | 2021-01-29 | Fork truck is hot rolling C shaped steel for portal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653399U (en) |
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2021
- 2021-01-29 CN CN202120257671.1U patent/CN214653399U/en active Active
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