CN212033671U

CN212033671U - Large-span energy-saving steel bridge

Info

Publication number: CN212033671U
Application number: CN202020226973.8U
Authority: CN
Inventors: 赵书军
Original assignee: Jiangsu Changhe Electric Co ltd
Current assignee: Jiangsu Changhe Electric Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-11-27
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a crane span structure technical field specifically discloses an energy-conserving shaped steel system crane span structure of big span, including bottom plate and curb plate, two curb plate symmetries set up the both ends at the bottom plate, and the bottom plate sets up to the wave type. The utility model discloses set up the bottom plate into the wave, can increase the heat radiating area of bottom plate, effectively reduce the temperature of cable and steel crane span structure, the cable temperature reduces the probability that can reduce the insulating layer ageing, the life of cable has just prolonged relatively, meanwhile also reduced the fire accident because of the high temperature causes, promote the security of electric power measure, and simultaneously, the ripple of wave bottom plate also can play the effect of strengthening rib, improve the compressive property and the mechanical strength of steel crane span structure, and the industrial value has.

Description

Large-span energy-saving steel bridge

Technical Field

The utility model relates to a crane span structure technical field specifically is an energy-conserving shaped steel system crane span structure of big span.

Background

The bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and consists of a support, a supporting arm, an installation accessory and the like, the bridge can be independently erected and can also be attached to various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are embodied, and the groove type cable bridge is a fully-enclosed cable bridge. It is most suitable for laying computer cable, communication cable, thermocouple cable and other control cable of high-sensitivity system. The large-span steel bridge frame is a steel groove-shaped object used for arranging cables, each section is generally six to seven meters, each section is connected through welding, the heat dissipation effect is very important in the use process, certain loss can be generated in the process of transmitting power on the cables when the temperature is too high, and the loss is bought by an end user under the current electricity fee calculation system case.

Therefore, the cooling problem of the steel bridge and the cable inside the steel bridge is an urgent technical problem to be solved in the field.

In view of the above problems, the inventor of the present invention has actively studied and innovated a large-span energy-saving steel bridge frame based on the practical experience and professional knowledge of the engineering application of such products for many years and with the application of the theory, so as to create a large-span energy-saving steel bridge frame, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a big span energy-saving steel crane span structure to solve the problem among the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an energy-conserving shaped steel crane span structure of big span, includes bottom plate and curb plate, and two curb plates symmetry set up the both ends at the bottom plate, and the bottom plate sets up to the wave type.

Furthermore, a plurality of heat dissipation holes are formed in the side plate.

Furthermore, holes are formed in the two ends of the bottom plate, hooks are arranged at the two ends of the side plates corresponding to the holes, the hooks penetrate through the holes, a plane attached to the bottom surface of the bottom plate is arranged at the end portions of the hooks, and the hooks are fixedly connected with the bottom plate at the attaching positions.

Furthermore, the heat dissipation plate is connected to the side plate and provided with a plurality of radiating fins.

Furthermore, the both ends of curb plate are provided with the kink, and the both ends of heating panel are inserted and are realized fixing in the kink.

Furthermore, both ends of the heat dissipation plate are retracted inwards relative to both ends of the side plate, a connecting plate is arranged on the part of the side plate, which exceeds the heat dissipation plate, and the connecting plate is connected with the side plate through a connecting piece.

Furthermore, the side of the connecting plate close to one side of the heat dissipation plate is provided with a rubber strip, and the rubber strip is provided with a plane which is attached to the side edge of the heat dissipation plate.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses set up the bottom plate into the wave, can increase the heat radiating area of bottom plate, effectively reduce the temperature of cable and steel crane span structure, the cable temperature reduces the probability that can reduce the insulating layer ageing, the life of cable has just prolonged relatively, meanwhile also reduced because of the high fire incident that causes of temperature, promote the security of electric power measure, and simultaneously, the ripple of wave bottom plate also can play the effect of strengthening rib, improve the compressive property and the mechanical strength of steel crane span structure.

Drawings

FIG. 1 is a schematic structural view of a large-span energy-saving steel bridge frame of the present invention;

FIG. 2 is a structural diagram of a bent portion and a heat dissipating plate of a large-span energy-saving steel bridge of the present invention;

fig. 3 is a schematic structural view of a heat dissipation plate slot of the present invention;

in the figure: 1. the heat dissipation structure comprises a bottom plate, 11 holes, 2 side plates, 21 heat dissipation holes, 22 hooks, 23 bending portions, 3 heat dissipation plates, 31 heat dissipation plates and 33 connecting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

A large-span energy-saving steel bridge frame is shown in figure 1 and comprises a bottom plate 1 and side plates 2, wherein the two side plates 2 are symmetrically arranged at two ends of the bottom plate 1, and the bottom plate 1 is wave-shaped.

Set up bottom plate 1 into the wave in this example, can increase bottom plate 1's heat radiating area, the cable temperature reduces the probability that can reduce the insulating layer ageing, relatively the life of cable has just prolonged, meanwhile also reduced because of the high fire incident that causes of temperature, promote the security of electric power measure, and simultaneously, the wavy bottom plate has the raised grain, the raised grain can play the effect of strengthening rib, improve the compressive strength of bottom plate, and then improve the life-span of steel crane span structure.

In this embodiment, as shown in fig. 1, a plurality of heat dissipation holes 21 are disposed on the side plate 2, and the plurality of heat dissipation holes 21 are uniformly distributed on a plane of the side plate 2 perpendicular to the bottom plate 1. The side plates 2 are provided with heat dissipation holes, so that the heat dissipation efficiency of the steel bridge can be improved, and the purpose of energy conservation is further achieved.

In this embodiment, as shown in fig. 2, holes 11 are provided at both ends of the bottom plate 1, hooks 22 are provided at both ends of the side plate 2 corresponding to the positions of the holes 11, the hooks 22 penetrate the holes 11, and have a flat surface at an end portion thereof to be bonded to the bottom surface of the bottom plate 1, and the hooks 22 are fixedly connected to the bottom plate 1 at the bonded portion. When the installation, with in the crotch 22 patchhole 11, make the crotch 22 have a plane and the bottom surface laminating of bottom plate 1, laminating department can adopt bonding or bolt fastening's mode fixed to improve the joining force between bottom plate 1 and the curb plate 2, make the connection between bottom plate 1 and the curb plate 2 more firm. When the mode of bolt fastening is selected, the installation and the dismantlement between bottom plate 1 and the curb plate 2 are more convenient for in the setting of this embodiment, have improved the flexibility of steel crane span structure.

In this embodiment, as shown in fig. 2, the large-span energy-saving steel bridge further includes a heat dissipation plate 3, the heat dissipation plate 3 is connected to the side plate 2, and the heat dissipation plate 3 is provided with a plurality of heat dissipation fins 31. The heat dissipation plate 3 is connected to the side plate 2 to form a solid heat dissipation system, and the solid heat dissipation rate is superior to other heat dissipation modes, so that the heat dissipation speed of the large-span energy-saving steel bridge frame can be effectively improved, and the purpose of energy conservation is achieved. In order to ensure the integrity of the steel bridge, the size and the structure of the radiating fins 31 are adapted to the radiating plate 3; if the requirement for the heat dissipation efficiency is higher, the heat dissipation fins 31 of different sizes can be replaced as appropriate. Specifically, the distance between each of the fins 31 is equal. The solid heat radiation is also performed between the heat radiation fins 31 and the heat radiation plate 3, so that the heat radiation efficiency can be effectively improved. The radiating fins 31 can also be inserted on the radiating plate 3, according to the radiating requirement and the requirement on the dead weight of the steel bridge, the size and the number of the proper radiating fins 31 are reasonably selected, so that the radiating fins 31 can be conveniently detached, the dead weight of the steel bridge is reduced while the radiating requirement is met, if one radiating fin 31 is damaged, the damaged radiating fin 31 can be independently replaced, the whole radiating plate 3 does not need to be detached from the whole radiating plate 3, and the radiating plate is economical, practical and convenient to operate.

In this embodiment, as shown in fig. 2, two ends of the side plate 2 are provided with bent portions 23, and two ends of the heat dissipation plate 3 are inserted into the bent portions 23 to be fixed. The fixed connection mode similar to the clamping groove type enables the heat dissipation plate 3 not to slide left and right on the side plate 2, the firm connection is guaranteed, meanwhile, the contact area between the heat dissipation plate 3 and the side plate 2 is improved, and the solid heat dissipation efficiency is improved.

In this embodiment, as shown in fig. 2, both ends of the heat dissipation plate 3 are retracted inward relative to both ends of the side plate 2, a connection plate 33 is disposed on a portion of the side plate 2 beyond the heat dissipation plate 3, and the connection plate 33 is connected to the side plate 2 through a connection member. Two ends of the connecting plate 33 are respectively connected with the parts of the two side plates 2 exceeding the heat dissipation plate 3, so that the side plates 2 can be connected in series, and the stability of the steel bridge is improved; specifically, the size of the connecting plate 33 is twice as large as the size of the retracted part of the heat dissipation plate 3 relative to the side plate 2, so that the heat dissipation plate 3 can be clamped by the arrangement of the connecting plate 33, the heat dissipation plate 3 is prevented from moving back and forth relative to the side plate 2, and the stability of the steel bridge is improved. Specifically, the connecting plate 33 can be directly bonded to the side plate 2, and more preferably, the connecting plate 33 is provided with a screw hole, and the part of the side plate 2, which exceeds the heat dissipation plate 3, is also correspondingly provided with a screw hole, so that the connecting plate 33 can be fixed on the side plate 2 through a bolt; this facilitates the mounting and dismounting of the connection plate 33.

Specifically, the side face of the connecting plate 33 close to one side of the heat dissipation plate 3 is provided with the rubber strip 4, one plane of the rubber strip 4 is attached to the side edge of the heat dissipation plate 3, and the other plane of the rubber strip 4 is bonded to the side face of the connecting plate 33; the setting of rubber strip 4 can cushion the contact between heating panel 3 and the connecting plate 33, especially when steel crane span structure temperature risees, because expend with heat and contract with cold's effect, leads to heating panel 3 and connecting plate 33 volumetric expansion, and then makes and form the impact force between heating panel 3 and the connecting plate 33, causes the damage to heating panel 3 and connecting plate 33, consequently sets up rubber strip 4 in this embodiment, cushions it.

In this embodiment, the specific installation steps of the large-span energy-saving steel bridge frame are as follows:

s1, inserting the hook 22 of the side plate 2 into the hole 11 of the bottom plate 1, and fixing the hook through a bolt to complete the assembly of the bottom plate 1 and the side plate 2;

s2, when the requirement for cooling is higher, the heat dissipation plate 3 is inserted into the bent part 23 of the side plate 2, and the side edge is fixed by using a bolt;

and S3, fixing the connecting plate 33 and the part of the side plate 2, which exceeds the heat dissipation plate 3, by using bolts.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The large-span energy-saving type steel bridge frame is characterized by comprising a bottom plate (1) and side plates (2), wherein the two side plates (2) are symmetrically arranged at two ends of the bottom plate (1), the bottom plate (1) is arranged in a wave shape, and a plurality of heat dissipation holes (21) are formed in the side plates (2); the heat dissipation plate (3) is connected to the side plate (2), and a plurality of heat dissipation fins (31) are arranged on the heat dissipation plate (3).

2. The large-span energy-saving steel bridge frame as claimed in claim 1, wherein holes (11) are formed at two ends of the bottom plate (1), hooks (22) are formed at two ends of the side plates (2) corresponding to the positions of the holes (11), the hooks (22) penetrate through the holes (11), a plane attached to the bottom surface of the bottom plate (1) is formed at the end portions of the hooks (22), and the hooks (22) are fixedly connected with the bottom plate (1) at the attaching positions.

3. The bridge frame made of large-span energy-saving steel as claimed in claim 1, wherein the two ends of the side plates (2) are provided with bent portions (23), and the two ends of the heat dissipation plate (3) are inserted into the bent portions (23) for fixing.

4. The bridge frame made of large-span energy-saving steel as claimed in claim 1, wherein both ends of the heat dissipation plate (3) are recessed inward relative to both ends of the side plate (2), a connecting plate (33) is arranged on the part of the side plate (2) beyond the heat dissipation plate (3), and the connecting plate (33) is connected with the side plate (2) through a connecting piece.

5. A large-span energy-saving steel bridge frame as claimed in claim 4, wherein the side of the connecting plate (33) close to the side of the heat-dissipating plate (3) is provided with a rubber strip (4), and the rubber strip (4) has a flat surface which is attached to the side of the heat-dissipating plate (3).