CN212588013U

CN212588013U - Combined bridge frame

Info

Publication number: CN212588013U
Application number: CN202021575671.8U
Authority: CN
Inventors: 赵欣欣
Original assignee: Jiangsu Dongkang New Electric Technology Co ltd
Current assignee: Jiangsu Dongkang New Electric Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-23
Anticipated expiration: 2030-08-03

Abstract

The utility model provides a modular crane span structure, include: a support; a cross brace; and the connecting piece is used for connecting the cross brace and the bracket. The side of the bracket is provided with a fixing hole for fixing the cross brace. The cross brace is a channel steel type. The both ends of stull are equipped with the breach, the connecting piece can be followed both sides limit grafting and is arranged in the both ends of stull. The utility model discloses a support and the stull of this crane span structure adopt swing joint, and in the in-service use process, simple to operate, safe and reliable, long service life can realize changing the spare part of bridge alone and effectively reduce the maintenance cost. The bridge in the scheme adopts a galvanized magnesium-aluminum steel plate, so that the bridge is corrosion-resistant, high in load strength and low in cost.

Description

Combined bridge frame

Technical Field

The utility model relates to a cable testing bridge equipment field especially relates to a modular crane span structure.

Background

The cable bridge is divided into structures such as a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, and is composed of a support, a supporting arm, an installation accessory and the like. The steel plate can be independently erected and also can be laid on various buildings (structures) and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized and installed on an outdoor bridge outside the building, and if the steel plate is near the seaside or belongs to a corrosive area, the steel plate must have the physical characteristics of corrosion resistance, moisture resistance, good adhesive force and high impact strength.

The most similar technology of the application is middle, the xi' an city feida cable bridge factory applies in 1991, 12 and 2, and the Chinese utility model discloses a cable bridge ladder frame disclosed in 1992, 9 and 2, the ladder frame of the cable bridge frame disclosed by the invention comprises two side rods with groove-shaped sections and a cross rod connected with the side rods, the side rods and the cross rod are made of corrosion-resistant aluminum alloy materials, the thickness of a section combined with the cross rod on the side rods is larger than that of a section not combined with the side rods, a bent flange edge is arranged at the end side of the section combined with the side rods, and the cross rod is embedded into a clamping groove of the bent flange edge. In the bridge, the cross rod bending edge is connected or riveted with the side rod bolt, so that the bridge has low bending strength, poor installation precision, one-step forming and inconvenient disassembly and maintenance.

In addition, the inventor applies for the schchang meite bridge frame share company on day 28 of 12/2015, and authorizes the issued Chinese utility model on day 15/6/2016: ladder type straight-through bridge: the scheme is that the ladder comprises a cross arm, ladder sides are arranged on two sides of the cross arm, an inserting tongue is arranged on one section of each ladder side, a mounting hole is formed in the other end of each ladder side, and a mounting hole matched with the mounting hole in each ladder side is formed in the inserting tongue. The inserting tongue and the ladder edge are of an integral structure formed by stamping. In this scheme, the connection mode is insecure.

In the prior bridge frame technology, the bridge frame consists of a support (a support part), a cross brace (a support part) and the like, wherein the cross brace is connected with the support in a welding mode, the production process is not environment-friendly, common technical problems such as insufficient solder, welding burrs and the like are easy to occur in welding, and especially the cross brace is used as a bearing part such as a cable and the like to cause potential safety hazards and the like due to the welding technical problems; the welding is non-movable connection, so that the installation is inconvenient and the maintenance cost is high.

In addition, the materials adopted by the prior art are mainly steel plates, and are manufactured by a welding process, and the defects are described above; or the aluminum alloy has the advantages of corrosion resistance and the disadvantages of high cost and weak strength.

SUMMERY OF THE UTILITY MODEL

For solving the problems in the prior art, the utility model provides a combined type bridge. In order to solve at least one of the above technical problems, the utility model provides a following technical scheme: a modular bridge, comprising: a support; a cross brace; and the connecting piece is used for connecting the cross brace and the bracket. The side of the bracket is provided with a fixing hole for fixing the cross brace. The both ends of stull are equipped with the breach, the connecting piece can be followed both sides limit grafting and is arranged in the both ends of stull.

Further, as a preferred optional embodiment of the present invention, the wale is a channel steel type.

Further, as preferred the utility model discloses an optional embodiment, the bottom surface contact of stull inner trough face and connecting piece, inner trough face and bottom surface correspond the position and are equipped with the locating hole to fix through bolt or riveting mode.

Further, as preferred the utility model discloses an optional embodiment, the bottom surface contact of groove face and connecting piece in the stull, the bottom surface corresponds the position and is equipped with the locating hole, corresponds the position on the inner trough face and establishes the arch, protruding and locating hole cooperation for the connecting piece is fixed in the stull.

Further, as preferred the utility model discloses an optional embodiment, the stull is equipped with the side, and the side corresponds connecting piece position department and is equipped with the hem, and the hem is used for fixed connection spare.

Further, as a preferred optional embodiment of the present invention, the process of the wale protrusion is stamping.

Further, as an optional embodiment of the present invention, the connecting member is formed by a one-time stamping forming process.

Further, as a preferred optional embodiment of the present invention, the material of the bracket is a galvanized magnesium aluminum steel plate.

Further, as a preferred optional embodiment of the present invention, the material of the cross brace is a galvanized magnesium aluminum steel plate.

Further, as a preferred optional embodiment of the present invention, the material of the connecting member is a galvanized magnesium aluminum steel plate.

The beneficial effects of the utility model reside in that: the utility model discloses a support and the stull of this crane span structure adopt swing joint, and in the in-service use process, simple to operate, safe and reliable, long service life can realize changing the spare part of bridge alone and effectively reduce the maintenance cost. The bridge in the scheme adopts a galvanized magnesium-aluminum steel plate, so that the bridge is corrosion-resistant, high in load strength and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from these drawings without inventive effort.

The invention will be explained in more detail below with the aid of exemplary embodiments which are illustrated schematically in the drawings, in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a part of the structure of the present invention, i.e. a schematic view of the assembly of the cross brace and the connecting member;

FIG. 3 is a schematic view of the structure of the connector of the present invention;

FIG. 4 is a schematic view of the structure of the connecting member of the present invention;

FIG. 5 is a development view of the connecting metal plate of the present invention;

description of reference numerals: 100. the bridge frame comprises a bridge frame body, 1, a support, 11, a fixing hole, 2, a cross brace, 21, a side edge, 22, a bottom surface, 24, a positioning hole, 3, a connecting piece, 31, an inner groove surface, 32, a side edge, 33, a folding edge, 4 and an inserting direction.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "left", "right", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either direct connections, indirect connections through an intermediary agent, connections between two elements, or an interaction between two elements. It will be apparent to those skilled in the art that the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise direct contact between the first and second features but not by direct contact between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be further described with reference to the accompanying drawings.

A more detailed embodiment of the combined bridge frame of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides a combined bridge frame 100, including: the device comprises a bracket 1 and a cross brace 2; and the connecting piece 3 is used for connecting the cross brace 2 with the bracket 1. The side of the bracket 1 is provided with a fixing hole 11 for fixing the cross brace 2.

Wherein the wales 2 are of channel steel type as shown in fig. 1-2. The two ends of the cross arm 2 are provided with gaps, and the connecting pieces 3 can be inserted from the two side edges and arranged at the two ends of the cross arm 2. Fig. 2 shows the insertion direction 4 in which the connecting element 3 is inserted into the interior of the wale 2 from a cutout at one end of the wale 2.

One embodiment of the fixing method of the wale 2 and the connecting member 3 may adopt: the inner groove surface 31 of the cross brace 2 is contacted with the bottom surface 22 of the connecting piece 3, and the corresponding positions of the inner groove surface 31 and the bottom surface 22 are provided with positioning holes 24 and are fixed by bolts or riveting.

Another embodiment of the fixing method of the wale 2 and the connecting member 3 may adopt: the inner groove surface of the cross brace 2 is in contact with the bottom surface 22 of the connecting piece 3, the positioning hole 24 is formed in the position, corresponding to the bottom surface 22, of the inner groove surface 31, and the protrusion is arranged in the position, corresponding to the positioning hole 24, of the inner groove surface and matched with the protrusion, so that the connecting piece 3 is fixed in the cross brace 2. In addition, the process of the cross brace 2 protrusion is stamping.

For further fixing the connecting member 3, another embodiment of the present embodiment is: the cross arm 2 is provided with a side 32, the side 32 is provided with a folding edge 33 at a position corresponding to the connecting piece 3, and the folding edge 33 is used for fixing the connecting piece 3.

In addition, the connecting piece 3 is formed by adopting a one-time punch forming process. Fig. 3-4 show the structural schematic diagram of the connecting member 3, and fig. 5 shows the expanded view of the sheet metal of the connecting member 3.

In addition, the bracket 1 is made of a galvanized magnesium aluminum steel plate, and the cross brace 2 is made of a galvanized magnesium aluminum steel plate. The connecting piece 3 is made of a galvanized magnesium-aluminum steel plate.

The side of the connecting piece 3 is provided with a fixing hole (23) at the corresponding position. Bolts are connected through the holes (other detachable connection modes except welding such as rivets and the like), and the number of the fixing holes (23) is not less than 1 according to the length of the cross brace. The connecting piece 3 is distributed with bolt holes and positioning holes. The quantity of bolt hole, locating hole is decided according to the length and the actual bearing requirement of stull for guarantee fastness, security increase life.

The above description is only intended to illustrate the preferred embodiments of the present invention, and not to limit the present invention, to the extent that those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. A modular crane span structure, its characterized in that includes:

a support (1);

a cross brace (2);

the connecting piece (3) is used for connecting the cross brace (2) and the bracket (1);

a fixing hole (11) is formed in the side edge of the support (1) and used for fixing the cross brace (2);

the two ends of the cross brace (2) are provided with notches, and the connecting pieces (3) can be inserted from the two side edges and arranged at the two ends of the cross brace (2).

2. The modular bridge of claim 1, wherein: the cross brace (2) is of a channel steel type.

3. The modular bridge of claim 2, wherein: the inner groove surface (31) of the cross brace (2) is in contact with the bottom surface (22) of the connecting piece (3), and the corresponding positions of the inner groove surface (31) and the bottom surface (22) are provided with positioning holes (24) which are fixed in a bolt or riveting mode.

4. The modular bridge of claim 2, wherein: the inner groove surface of the cross brace (2) is in contact with the bottom surface (22) of the connecting piece (3), the corresponding position of the bottom surface (22) is provided with a positioning hole (24), the corresponding position of the inner groove surface (31) is provided with a bulge, and the bulge is matched with the positioning hole (24) so that the connecting piece (3) is fixed in the cross brace (2).

5. The modular bridge of claim 4, wherein: the process of the transverse support (2) protrusion is stamping.

6. The modular bridge stand of claim 3 or 4, wherein: the transverse support (2) is provided with a side edge (32), a folding edge (33) is arranged at the position of the side edge (32) corresponding to the connecting piece (3), and the folding edge (33) is used for fixing the connecting piece (3).

7. The modular bridge of claim 6, wherein: the connecting piece (3) is formed by adopting a one-time stamping forming process.

8. The modular bridge of claim 1, wherein: the bracket (1) is made of a galvanized magnesium-aluminum steel plate.

9. The modular bridge of any of claims 1-5, wherein: the cross brace (2) is made of a galvanized magnesium-aluminum steel plate.

10. The modular bridge of any of claims 1-5, wherein: the connecting piece (3) is made of a galvanized magnesium-aluminum steel plate.