CN212304579U - High-strength C-shaped bridge - Google Patents
High-strength C-shaped bridge Download PDFInfo
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- CN212304579U CN212304579U CN202021546595.8U CN202021546595U CN212304579U CN 212304579 U CN212304579 U CN 212304579U CN 202021546595 U CN202021546595 U CN 202021546595U CN 212304579 U CN212304579 U CN 212304579U
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Abstract
The utility model relates to a high-strength C-shaped bridge frame, which comprises a bottom section bar and a side section bar which are of an integral C-shaped structure, wherein a plurality of angle falling convex hulls which are arranged at intervals and protrude towards the inside of the bottom section bar and the side section bar are arranged between the bottom section bar and the side section bar, the angle convex hulls are arranged on the vertical surface of the bottom section bar and the side section bar, a plurality of bottom ribs which are arranged at intervals and protrude towards the inside of the bottom section bar are arranged on the bottom section bar, a convex rib which protrudes towards the inside or the outside of the bottom section bar is arranged at the center of the bottom rib, a blank holder which is correspondingly arranged at the outside of the bottom rib is arranged on the bottom section bar, a single-layer or double-layer reinforced structure is formed, the strength of the bottom section bar is increased by the bottom rib through mould pressing deformation under the condition that the wall thickness is not increased or the material thickness is reduced, the strength of the combined surface of, the cable bridge is convenient to transport and lay independently or in combination with the cable bridge, the service life and the operation safety coefficient are prolonged, and the use requirements are met.
Description
Technical Field
The utility model relates to a high strength C shape crane span structure belongs to crane span structure technical field.
Background
The cable bridge comprises a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, can be erected independently, and can also be laid on various buildings and pipe rack supports for laying cables. Adopt planar structure's crane span structure among the prior art, there is intensity and load not high, and the bonding strength of the perpendicular of C shape side section bar and end section bar is not high especially, has the stress deformation phenomenon to influence independent, combination or large-span especially factor of safety under heavily negative zone lays, only through increasing the section bar like the steel quantity improvement crane span structure thickness not only increase the cost and make the degree of difficulty, be unfavorable for the transportation simultaneously and lay, treat to improve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a high strength C shape crane span structure, under the condition that does not increase the wall thickness or reduce material thickness, increase end section bar intensity, corner convex closure through end muscle and increase end section bar and side section bar faying face intensity, and it is reasonable in size, can lighten weight, reduce cost, stress relief, improve load and bulk strength, increase life and operational safety factor, satisfy the user demand.
The utility model discloses a realize through following technical scheme:
a high-strength C-shaped bridge frame comprises a bottom section and side sections, wherein the bottom section and the side sections are of an integrated C-shaped structure, the two ends of the bottom section are perpendicular to the two ends of the bottom section, a plurality of corner convex hulls which are arranged at intervals and protrude towards the inside of the bottom section and the side sections are arranged between the bottom section and the side sections, the corner convex hulls are arranged on the perpendicular surfaces of the bottom section and the side sections, and the thickness of the corner convex hulls is consistent with that of the bottom section and the side sections;
the outer contour shape of the corner convex hull on the coplanar bottom section bar or side section bar is triangular, semi-waist-shaped, trapezoidal or arc-shaped, the convex depth of the corner convex plate on the symmetrical plane of the bottom section bar and the side section bar is deepest, the deepest convex depth h1 is 5-15mm, the height h2 of the corner convex hull on the coplanar bottom section bar or side section bar is 10-60mm, and the distance d1 between the adjacent corner convex hulls is 100-200 mm;
the bottom section bar is provided with a plurality of bottom ribs which are arranged at intervals and protrude towards the inside of the bottom section bar, the thickness of each bottom rib is consistent with that of the bottom section bar, at least one bottom rib is arranged between convex hulls at adjacent corners, the center of each bottom rib is provided with a convex rib which is parallel to the bottom ribs and protrudes towards the inside or the outside of the bottom section bar, the thickness of each convex rib is consistent with that of the bottom rib, and the bottom height of each convex rib is more than or equal to the bottom surface of the bottom section bar;
the vertical height h3 of the bottom ribs is 5-15mm, the transverse length of the bottom ribs accounts for 80-90% of the width of the bottom ribs, the width d2 of the bottom ribs from the side section bars is 5-15mm, the distance d3 between the adjacent bottom ribs is 100-200mm, the width d4 of the bottom section bars is 100-100mm, and the height h4 of the side section bars is 25-200 mm;
the bottom section bar is provided with a blank holder which is correspondingly arranged outside the bottom rib, has the same outline with the bottom rib and protrudes towards the inside of the bottom section bar, the thickness of the blank holder is the same as that of the bottom section bar, and the cross section of the blank holder is arc-shaped or rectangular;
the side profile is provided with a plurality of side ribs which are arranged at intervals and protrude towards the inside of the side profile, the side profile is provided with arc ribs which are parallel to the side profile and protrude towards the inside of the side profile, the side profile is provided with a plurality of circular or waist-shaped mounting holes, and the top of the side profile is provided with an L-shaped folded plate which is bent towards the inside of the side profile vertically.
The utility model has the advantages that:
(1) the corner convex hull is arranged on the vertical plane between the bottom section and the side section, and the depth of the convex hull on the symmetrical plane is deepest, so that the strength of the vertical joint surface of the bottom section and the side section is obviously improved, the stress action is eliminated, the joint surface of the bottom section and the side section is prevented from being distorted and deformed under the stress action, and the bearing reliability is ensured;
(2) the bottom section adopts a plurality of bottom ribs which are arranged at intervals and protrude towards the inside of the bottom section, the bottom ribs are provided with convex ribs which protrude towards the inside or the outside of the bottom section to avoid the overhanging surface or the larger span, and a single-layer or double-layer reinforcing structure is formed by adding the blank holder or not so as to eliminate the stress action and improve the strength, the load and the deformation resistance of the bottom section;
(3) the dimension design is reasonable, the height of the corner convex hull is 10-60mm, the space is 100-plus-200 mm, the depth is 5-15mm, the bottom rib degree is 5-15mm, the transverse length accounts for 80-90% of the width of the bottom rib, the width is 5-15mm away from the side section bar, the adjacent space is 100-plus-200 mm, the width of the bottom section bar is 100-plus-100 mm, the height of the side section bar is 25-200mm, the side rib, the arc rib and the like can be quickly formed by mould pressing, under the condition of not increasing the wall thickness, the stress is eliminated, the strength and the rigidity of the section bar are increased, the material consumption is saved, the weight is reduced, the cost is reduced, the load is improved, the independent or combined laying of the bridge frame is convenient, the winding degree during combined laying is reduced, the strength is increased by mould pressing deformation when the material thickness is reduced, the strength is higher when the material thickness is reduced by 30%, the use requirement is met.
Drawings
Fig. 1 is a top perspective view of the present invention.
Fig. 2 is a bottom perspective view of the present invention.
Fig. 3 is a front view structural diagram of the present invention.
Fig. 4 is a bottom view of the present invention.
Fig. 5 is a cross-sectional view showing the AA direction of fig. 4.
Fig. 6 is an enlarged view of part B of fig. 5, showing structure fig. 1.
Fig. 7 is an enlarged view of part B of fig. 5, illustrating the structure of fig. 2.
Fig. 8 is a top view structural diagram of the present invention.
Fig. 9 is a sectional view taken in the direction CC of fig. 8.
Fig. 10 is a side view of the structure of fig. 1.
Fig. 11 is a side view of the structure of fig. 2.
Fig. 12 is a side view of the structure of fig. 3.
The labels in the figure are: the novel corner folding plate comprises a bottom section bar 1, a side section bar 2, corner convex hulls 3, bottom ribs 4, convex ribs 5, blank holders 6, side ribs 7, arc ribs 8, mounting holes 9 and L-shaped folding plates 10.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A high-strength C-shaped bridge frame comprises a bottom section bar 1 and side section bars 2 which are of an integrated C-shaped structure and are perpendicular to two ends of the bottom section bar 1, wherein a plurality of corner convex hulls 3 which are arranged at intervals and protrude towards the inner parts of the bottom section bar 1 and the side section bars 2 are arranged between the bottom section bar 1 and the side section bars 2, the corner convex hulls 3 are arranged on the vertical surfaces of the bottom section bar 1 and the side section bars 2, and the thickness of the corner convex hulls is consistent with that of the bottom section bar 1 and the side section bars 2;
the outer contour shape of the corner convex hull 3 on the coplanar bottom section bar 1 or side section bar 2 is triangular (see fig. 10), semi-waist (see fig. 11) or arc (see fig. 12), the convex depth of the corner convex plate on the symmetrical plane of the bottom section bar 1 and side section bar 2 is deepest, see fig. 9, the deepest convex depth h1 is 5-15mm, the height h2 of the corner convex hull 3 on the coplanar bottom section bar 1 or side section bar 2 is 10-60mm, see fig. 4, the distance d1 between the adjacent corner convex hulls 3 is 100-200 mm;
a plurality of bottom ribs 4 which are arranged at intervals and protrude towards the inside of the bottom section 1 are arranged on the bottom section 1, the thickness of each bottom rib 4 is consistent with that of the bottom section 1, at least one bottom rib 4 is arranged between every two adjacent corner convex hulls 3, a convex rib 5 which is parallel to each bottom rib 4 and protrudes towards the inside or the outside of the bottom section 1 is arranged in the center of each bottom rib 4, the thickness of each convex rib 5 is consistent with that of each bottom rib 4, and the height of the bottom of each convex rib 5 is greater than or equal to that of the bottom surface of the bottom section 1;
referring to fig. 3 and 4, the vertical height h3 of the bottom rib 4 is 5-15mm, the transverse length of the bottom rib 4 accounts for 80-90% of the width of the bottom rib 4, the width d2 of the bottom rib 4 from the side profile 2 is 5-15mm, the distance d3 between the adjacent bottom ribs 4 is 100-200mm, the width d4 of the bottom profile is 100-100mm, and the height h4 of the side profile is 25-200 mm;
the bottom section bar 1 is provided with a blank holder 6 which is correspondingly arranged outside the bottom bar 4, is consistent with the outline of the bottom bar 4 and protrudes towards the inside of the bottom section bar 1, the thickness of the blank holder 6 is consistent with that of the bottom section bar 1, and the section of the blank holder 6 is arc-shaped (see figure 6) or rectangular (see figure 7);
be equipped with a plurality of intervals on side section bar 2 and set up and to the inside convex side muscle 7 of side section bar 2, be equipped with on side section bar 2 and be on a parallel with side section bar 2, to the inside convex arc muscle 8 of side section bar 2, be equipped with a plurality of circular or waist type mounting hole 9 on side section bar 2, 2 tops of side section bar are equipped with the L shape folded plate 10 of bending perpendicularly to the inside of side section bar 2.
The utility model discloses a theory of operation does:
the bridge is independently fixed or combined and paved through a round or kidney-shaped mounting hole 9, an L-shaped folded plate 10 is matched with an outer cover when being used for bearing or arranged in an outer room, and an integrated C-shaped space for paving cables is formed by a bottom section bar 1 and side section bars 2 with two vertical ends;
on the strength of the side section bar 2, the arc ribs 8 which are parallel to the side section bar 2 and protrude towards the inside of the side section bar 2 and the side ribs 7 which are arranged at intervals, are in square, round or other arbitrary shapes and protrude towards the inside of the side section bar 2 are adopted to improve the longitudinal load and the deformation resistance, and the strength of the bridge frame towards the center of the section bar is enhanced when the whole length of the bridge frame is longer;
on the strength of the bottom section bar 1, a plurality of bottom ribs 4 which are arranged at intervals and protrude towards the inside of the bottom section bar 1 are adopted, convex ribs 5 which protrude towards the inside or the outside of the bottom section bar 1 are arranged on the bottom ribs 4 to improve the central load and the deformation resistance when the bottom ribs 4 are widened, the large overhanging surface or span is avoided, a single-layer reinforcing structure is formed, a blank holder 6 which is arc or rectangular in cross section and is consistent with the outline of the bottom ribs 4 can be arranged outside the bottom ribs 4 to form a double-layer reinforcing structure, the deformation resistance of the outline of the bottom ribs 4 under the load of the bridge is improved, and the strength of the bottom section bar 1 with the long integral length of the bridge is improved;
the vertical height h3 of the bottom rib 4 is 5-15mm in the dimension of the bottom rib 4, the transverse length of the bottom rib 4 accounts for 80-90% of the width of the bottom rib 4, the width d2 of the bottom rib 4 from the side section bar 2 is 5-15mm, the distance d3 between the adjacent bottom ribs 4 is 100 plus 200mm, the width d4 of the bottom section bar is 100 plus 100mm, and the height h4 of the side section bar is 25-200mm, so that the reinforcing effect on the transverse width of the bottom section bar 1 is ensured, and the processing performance and the mechanical strength when the bottom section bar 1 and the side section bar 2 are bent into a C shape are also prevented from being influenced;
the corner convex hulls 3 are arranged on a vertical plane between the bottom section bar 1 and the side section bar 2, at least one bottom rib 4 is arranged between every two adjacent corner convex hulls 3, the protruding depth of the corner convex plate on the symmetrical plane of the bottom section bar 1 and the side section bar 2 is deepest, the corner convex plate can be quickly formed through mould pressing, in addition, the outline shape of the corner convex hull 3 on the coplanar surface of the bottom section bar 1 or the side section bar 2 in the forming shape is triangular, semi-waist-shaped, trapezoidal or arc, the strength of the vertical combined surface of the bottom section bar 1 and the side section bar 2 is obviously improved, the stress action is eliminated, the distortion deformation caused by the stress action on the combined surface of the bottom section bar 1 and the side section bar 2 is avoided, and the bearing;
in the dimension of the corner convex hull 3, the convex depth of the corner convex plate on the symmetrical surface of the bottom section bar 1 and the side section bar 2 is deepest, the deepest convex depth h1 is 5-15mm, the height h2 of the corner convex hull 3 on the coplanar surface of the bottom section bar 1 or the side section bar 2 is 10-60mm, the distance d1 between the adjacent corner convex hulls 3 is 100-200mm, the reinforcement requirement of the C-shaped bridge frame joint surface with any dimension is met, and the corner convex hull is matched with the bottom rib 4 so as to increase the integral strength of the bridge frame;
through the corner convex closure 3 unanimous with end section bar 1 and 2 thickness of side section bar, end muscle 4, protruding muscle 5, the pressure circle of knitting, side muscle 7, arc muscle 8, accessible mould pressing rapid prototyping, it is convenient to make the shaping, under the condition that does not increase the wall thickness, stress is eliminated, increase section bar intensity and rigidity, with the material saving quantity, weight reduction, and thus the cost is lowered, the load is improved, make things convenient for the independent or combination of crane span structure transportation and cable bridge to lay, reduce the degree of winding when combining and laying, pass through mould pressing deformation increase strength at reduction material thickness, intensity when reducing 30% than former national standard thickness is higher, the life and the operational safety factor that cable bridge laid are improved, satisfy the user demand.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a high strength C shape crane span structure, is including the end section bar that is integral type C shape structure and end section bar both ends vertically side section bar, its characterized in that, be equipped with a plurality of intervals between end section bar and the side section bar and set up and to end section bar and the inside convex angle of side section bar convex closure that falls, the corner convex closure is on the perpendicular of end section bar and side section bar, and thickness is unanimous with end section bar and side section bar.
2. The high strength C-shaped bridge frame of claim 1, wherein the outer contour shape of said corner convex hull on the bottom profile or side profile coplanar is triangular, semi-kidney shaped, trapezoidal or arc shaped.
3. The high-strength C-shaped bridge frame as claimed in claim 1, wherein the protrusion depth of the corner convex hulls on the symmetrical planes of the bottom section bar and the side section bar is deepest, the deepest protrusion depth h1 is 5-15mm, the height h2 of the corner convex hulls on the same plane of the bottom section bar or the side section bar is 10-60mm, and the distance d1 between the adjacent corner convex hulls is 100-200 mm.
4. The high-strength C-shaped bridge frame as claimed in claim 1, wherein the bottom section bar is provided with a plurality of bottom ribs which are arranged at intervals and protrude towards the inside of the bottom section bar, the thickness of the bottom ribs is consistent with that of the bottom section bar, and at least one bottom rib is arranged between adjacent corner convex hulls.
5. The high-strength C-shaped bridge frame as claimed in claim 4, wherein the bottom rib is provided with a convex rib at the center, the convex rib is parallel to the bottom rib and protrudes towards the inside or outside of the bottom section, the thickness of the convex rib is consistent with that of the bottom rib, and the height of the bottom of the convex rib is greater than or equal to that of the bottom surface of the bottom section.
6. The high-strength C-shaped bridge frame as claimed in claim 4, wherein the vertical height h3 of the bottom ribs is 5-15mm, the transverse length of the bottom ribs accounts for 80-90% of the width of the bottom ribs, the width d2 of the bottom ribs from the side profile is 5-15mm, the distance d3 between the adjacent bottom ribs is 100-200mm, the width d4 of the bottom profile is 100-100mm, and the height h4 of the side profile is 25-200 mm.
7. The high-strength C-shaped bridge frame as claimed in claim 4, wherein the bottom section bar is provided with a blank holder correspondingly arranged outside the bottom rib, corresponding to the outer contour of the bottom rib, and protruding towards the inside of the bottom section bar, and the thickness of the blank holder is the same as that of the bottom section bar.
8. The high strength C-bridge of claim 7, wherein said blankholder has an arcuate or rectangular cross-sectional shape.
9. The high-strength C-shaped bridge frame as claimed in any one of claims 1 to 8, wherein the side section bars are provided with a plurality of side ribs which are arranged at intervals and protrude towards the inside of the side section bars.
10. The high-strength C-shaped bridge frame as claimed in any one of claims 1 to 8, wherein the side section bars are provided with arc-shaped ribs which are parallel to the side section bars and protrude towards the inside of the side section bars, the side section bars are provided with a plurality of circular or kidney-shaped mounting holes, and the tops of the side section bars are provided with L-shaped folded plates which are vertically bent towards the inside of the side section bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546595.8U CN212304579U (en) | 2020-07-30 | 2020-07-30 | High-strength C-shaped bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546595.8U CN212304579U (en) | 2020-07-30 | 2020-07-30 | High-strength C-shaped bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304579U true CN212304579U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546595.8U Active CN212304579U (en) | 2020-07-30 | 2020-07-30 | High-strength C-shaped bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212304579U (en) |
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2020
- 2020-07-30 CN CN202021546595.8U patent/CN212304579U/en active Active
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