CN211701303U

CN211701303U - Self-piercing riveting aluminum alloy bridge

Info

Publication number: CN211701303U
Application number: CN201921882035.7U
Authority: CN
Inventors: 陈富全; 胡奎; 李应明
Original assignee: Sichuan Biaogan Electric Co ltd
Current assignee: Benchmark Electric Group Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-10-16
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a from towards riveting aluminum alloy crane span structure, including two terraced limits and C type bottom plate, terraced edge, lower both ends section all are equipped with C shape frid, and two terraced limits pass through riveting mode fixed connection with C type bottom plate both sides respectively, C type bottom plate is including the portion of bending and plate, the solid connection of the portion of bending in the plate both sides, mounting groove and the looks adaptation of bending C type bottom plate inner chamber is equipped with terraced shelves, terraced shelves and C type bottom plate inner chamber looks adaptation, terraced shelves are the rectangular bodily form, terraced shelves both ends middle part is provided with the mounting hole, the mounting hole is 3/4 screw holes, terraced shelves, terraced limit and C type bottom plate material all adopt disposable pultrusion's aluminum alloy pultrusion section bar. The utility model discloses production manufacturing process is simple, and standardization level is high, can rivet the equipment fast.

Description

Self-piercing riveting aluminum alloy bridge

Technical Field

The utility model relates to a supply and distribution technical field especially relates to a from dashing riveting aluminum alloy crane span structure.

Background

The aluminum alloy bridge product that cable was walked line usefulness was laid to tradition generally is two kinds of processing methods: firstly, the aluminum plate is adopted for processing, the method needs to be processed and produced through multiple procedures such as shearing, punching, bending and the like in the manufacturing process, and also needs to be assembled and connected through a welding procedure, the process is complex, the processing is complex, enough mechanical strength needs to be ensured for safely laying the cable bridge, the aluminum alloy bridge generally increases the thickness of raw materials to improve the supporting strength, but the thickness and the weight are in a direct proportion relation, the higher the supporting strength is, the heavier the weight is, and the installation and the transportation are difficult; secondly, adopt the aluminium alloy ex-trusions as the nation board of crane span structure, adopt the ladder shelves as the strengthening rib of bottom plate, this kind of way also need be through cutting, punching, multiple operation processing production such as riveting in the manufacturing process, and some crane span structure elbows still need be through welding process assembly connection, and the technology is also very loaded down with trivial details, and processing is complicated, and efficiency is lower.

The aluminum alloy bridge frame is formed by extrusion of aluminum plate folded edges or aluminum alloy sections, and has the advantages of high dimensional accuracy, good strength, attractive appearance, light weight and high bearing capacity; the surface is sandblasted and oxidized to generate a layer of natural oxidation protection film, and the natural oxidation protection film has the advantages of strong corrosion resistance to atmosphere and chemical substances, so that the natural oxidation protection film has a large share in the market, but the aluminum alloy bridge in the prior art generally has the defects of difficult processing, low standardization degree and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aluminum alloy crane span structure that manufacturing process is simple, and standardization level is high, can rivet the equipment fast.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a from dashing riveting aluminum alloy crane span structure, includes two ladder limits and C type bottom plate, ladder limit, lower both ends section all are equipped with C shape frid, and two ladder limits pass through riveting mode fixed connection with C type bottom plate both sides respectively.

Preferably, the notches of the C-shaped groove plates are downward.

Preferably, the C-shaped bottom plate comprises a bent portion and a plate portion, and the bent portion is connected to two sides of the plate portion.

Furthermore, the inner side of the middle part of the ladder edge is provided with a wing edge, and the wing edge, the inner side of the ladder edge and the outer side of the C-shaped groove plate form an installation clamping groove.

Furthermore, the mounting clamping groove is matched with the bending part.

Preferably, the inner cavity of the C-shaped bottom plate is provided with a step, and the step is matched with the inner cavity of the C-shaped bottom plate.

Furthermore, the ladder stop is cuboid.

Furthermore, mounting holes are formed in the middle of two ends of each ladder stop.

Further, the mounting hole is 3/4 threaded hole.

Preferably, the ladder bars, the ladder sides and the C-shaped bottom plate are made of aluminum alloy pultrusion profiles formed by one-time pultrusion.

The utility model discloses following beneficial effect has:

1. the ladder sides, the ladder shelves and the C-shaped bottom plate in the utility model are made of aluminum alloy pultrusion profiles which are formed by one-time pultrusion, and are freely cut according to the requirements of specification models to form modular assembly, so that the production and manufacturing process is simple, the weight is light, the span length is adjustable, the supporting strength is high, the flexibility is good, and the deformation is not easy to occur;

2. the utility model discloses well C type bottom plate and terraced limit are through using from dashing riveting equipment riveted mode fixed connection, and the installation combination step is few, and riveting production efficiency is high, convenient operation, and degree of standardization is high.

Drawings

Fig. 1 is a schematic view of embodiment 1 of the present invention and a self-piercing riveting apparatus;

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

fig. 3 is a schematic side view of embodiment 3 of the present invention;

fig. 4 is a schematic top view of embodiment 3 of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention.

In the figure: 1-ladder edge, 2-C-shaped groove plate, 3-ladder stop, 4-self-piercing riveting equipment, 5-fin edge, 6-installation clamping groove, 7-bending part and 8-plate part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a from towards riveting aluminum alloy crane span structure, includes two terraced limits 1 and C type bottom plate, 1 upper and lower both ends sections on terraced limit all are equipped with C shape frid 2, and two terraced limits 1 pass through riveting mode fixed connection with C type bottom plate both sides respectively, and specific riveting tool and mode can adopt the hand-held type that is used for riveting intensive bus duct from towards riveting equipment 4, also can adopt the automatic assembly line of riveting of bus duct to rivet the operation.

The C-shaped bottom plate comprises a bending part 7 and a plate part 8, and the bending part 7 is connected to two sides of the plate part 8 in a solid mode.

The inner side of the middle of the ladder edge 1 is provided with a fin edge 5, the inner side of the ladder edge 1 and the outer side of the C-shaped groove plate 2 form an installation clamping groove 6, the installation clamping groove 6 is matched with a bent part 7, the bent part 7 of the C-shaped bottom plate is clamped by the fin edge 5 and the outer side of the C-shaped groove plate 2, the bent part 7 is attached to the inner side of the ladder edge 1 of the installation clamping groove 6, and the attaching position is a riveting position.

Ladder shelves 3 can be installed additional to the inner chamber of C type bottom plate, ladder shelves 3 are the rectangular bodily form, and ladder shelves 3 and the inner chamber looks adaptation of C type bottom plate, 3 both ends middle parts of ladder shelves are provided with the mounting hole, the mounting hole is the 3/4 screw hole for ladder shelves 3 can be through the supporting screw fixed connection with 3/4 screw hole with terraced limit 1.

The notches of the C-shaped groove plates 2 are downward, the C-shaped groove plates 2 at the upper ends form a supporting structure of the cover plate, and the upper surfaces of the C-shaped groove plates 2 at the lower ends are the bottoms of the bending parts 7 of the C-shaped bottom plates and can also be installation surfaces of the ladder rails 3.

Ladder shelves 3, ladder limit 1 and C type bottom plate material all adopt disposable pultrusion's aluminum alloy pultrusion section bar, and wherein C type bottom plate also can adopt aluminum alloy plate to cut, bend the shaping, can press the muscle or punch a hole in the middle of the C type bottom plate, both can make slot type or tray formula aluminum alloy crane span structure.

Because the ladder sides 1, the ladder bars 3 and the C-shaped bottom plate are all aluminum alloy pultrusion profiles, the assembled aluminum alloy bridge frame can be any length between 0.2m and 8 m.

Specifically, 3 examples are listed below to illustrate:

in the embodiment 1, as shown in fig. 1, the inner sides of the ladder sides 1 at two sides are provided with the clamping grooves 6 which are matched and attached with the bending parts 7 at two sides of the C-shaped bottom plate, and the C-shaped bottom plate and the ladder sides 1 are combined and riveted together by adopting self-piercing riveting equipment; in the embodiment 1, the ladder rail 3 is arranged, and the middle parts of the two ends of the ladder rail 3 are provided with 3/4 mounting holes which can be fixed with the ladder sides 1 through screws.

Example 2, as shown in fig. 2, the narrow aluminum alloy bridge frame can be assembled and installed without using the ladder rung 3, and the rest of the installation manner is the same as that of the example 1.

In embodiment 3, as shown in fig. 3, 4, and 5, the number of the bridges in the wider combination can be adjusted according to the specifications and models of the bridges, the installation clamping grooves 6 are arranged at the positions where the bent parts 7 at the two sides of the C-shaped bottom plate are in contact with the ladder sides 1 at the two sides, and the bent parts 7 of the C-shaped bottom plate and the ladder sides 1 are riveted and combined together by self-piercing aluminum rivets by using self-piercing riveting equipment.

It should be noted that the terms "two sides", "upper", "lower", "inner" and "outer" are only used to describe the relative position relationship between the components of the present invention, and are not used to limit the actual positions of the components in the present invention.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides a from dashing riveting aluminum alloy crane span structure which characterized in that: including two ladder limits and C type bottom plate, ladder edge, lower both ends section all are equipped with C shape frid, and two ladder limits pass through riveting mode fixed connection with C type bottom plate both sides respectively.

2. The self-piercing riveting aluminum alloy bridge frame as recited in claim 1, wherein: the notches of the C-shaped groove plates are downward.

3. The self-piercing riveting aluminum alloy bridge frame as recited in claim 1, wherein: the C-shaped bottom plate comprises a bending part and a plate part, and the bending part is connected to two sides of the plate part in a solid mode.

4. The self-piercing riveting aluminum alloy bridge frame as recited in claim 3, wherein: the inner side of the middle part of the ladder edge is provided with a wing edge, and the wing edge, the inner side of the ladder edge and the outer side of the C-shaped groove plate form an installation clamping groove.

5. The self-piercing riveting aluminum alloy bridge frame as recited in claim 4, wherein: the mounting clamping groove is matched with the bending part.

6. The self-piercing riveting aluminum alloy bridge frame as recited in claim 1, wherein: the inner cavity of the C-shaped bottom plate is provided with a ladder stop, and the ladder stop is matched with the inner cavity of the C-shaped bottom plate.

7. The self-piercing riveting aluminum alloy bridge frame as recited in claim 6, wherein: the ladder stop is in a cuboid shape.

8. The self-piercing riveting aluminum alloy bridge frame as recited in claim 7, wherein: and mounting holes are formed in the middle parts of two ends of the ladder stop.

9. The self-piercing riveting aluminum alloy bridge frame as recited in claim 8, wherein: the mounting hole is 3/4 threaded hole.

10. The self-piercing riveting aluminum alloy bridge frame as recited in claim 6, wherein: the ladder rail, the ladder edge and the C-shaped bottom plate are made of aluminum alloy pultrusion profiles formed by one-time pultrusion.