CN217036618U - Fire-resistant antidetonation crane span structure - Google Patents
Fire-resistant antidetonation crane span structure Download PDFInfo
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- CN217036618U CN217036618U CN202220119739.4U CN202220119739U CN217036618U CN 217036618 U CN217036618 U CN 217036618U CN 202220119739 U CN202220119739 U CN 202220119739U CN 217036618 U CN217036618 U CN 217036618U
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Abstract
A fire-resistant anti-seismic bridge comprises a groove-shaped main body and a fire-resistant top plate, wherein the groove-shaped main body is composed of a left-side fire-resistant outer plate, a fire-resistant bottom plate and a right-side fire-resistant outer plate, and the fire-resistant top plate is connected to the groove-shaped main body. The two cable mounting racks are arranged in the groove-shaped main body. The cable mounting rack comprises a U-shaped mounting groove and a cover plate; the cover plate is provided with heat dissipation holes. A plurality of damping shock absorbers which are arranged in parallel are arranged between the two cable mounting frames. And a descending damping spring for supporting the cable mounting rack is arranged on the fireproof bottom plate. An uplink damping spring arranged between the fireproof top plate and the cable mounting frame cover plate is arranged on the fireproof top plate. The inner sides of the left and right fireproof outer plates are provided with a left and a right buffer plates. The fireproof top plate is provided with a plurality of first and second air holes which are arranged in parallel. The utility model has the advantages of fire resistance, shock absorption and ventilation performance, can protect the cable from continuous work in a fire disaster to provide fire evacuation rescue time, has good shock resistance effect because the shock absorption spring unloads vertical shock and the damping shock absorber and the buffer plate laid on the inner side of the fireproof outer plate absorbs horizontal shock.
Description
Technical Field
The utility model relates to a multifunctional bridge.
Background
The cable bridge is used as the most widely used cable laying mode of the current civil buildings, and the application places and the installation mode of the cable bridge cannot be replaced by other tools at present. The cable bridge is structurally divided into a groove type, a tray type, a step type and the like, and can be divided into a metal bridge, a nonmetal and the like from the manufacturing material of the cable bridge; the property of the bridge is selected according to the use requirement of the installation position, and the like, the fire-resistant requirement of the existing bridge is mostly realized by adopting a mode of brushing fire-resistant paint and using a fire-resistant cable combination, and the measure is usually high in cost in practice; the anti-seismic support needs to be arranged again to achieve the anti-seismic effect; the anti-seismic support cannot achieve the anti-seismic effect of the bridge frame, and only guarantees that the bridge frame cannot fall off and be damaged in the process of vibration to a certain extent. Although various bridges can be selected for use, the functions of the bridges are single and cannot meet the requirement of multiple functions.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a fire-resistant anti-seismic bridge frame which has the functions of fire resistance, shock resistance and heat dissipation, can protect cables from continuous work in a fire to provide fire evacuation rescue time, can realize the self shock resistance function, meets the requirement of separate arrangement of important load double power supply loops, and has good ventilation and heat dissipation performance.
The technical scheme of the utility model is as follows: a fire-resistant anti-seismic bridge frame comprises a groove-shaped main body and a fire-resistant top plate connected to the groove-shaped main body; the groove-shaped main body is composed of a left fireproof outer plate, a fireproof bottom plate and a right fireproof outer plate.
Two cable mounting racks for mounting the main power supply cable and the standby cable are arranged in the groove-shaped main body.
The cable mounting rack comprises a U-shaped mounting groove and a cover plate connected to the upper end of the mounting groove; the cover plate is provided with a plurality of heat dissipation holes.
A plurality of damping shock absorbers arranged in parallel are arranged between the two cable mounting racks.
A plurality of groups of descending damping springs for supporting the cable mounting rack are arranged on the fireproof bottom plate; the lower end of the descending damping spring is fixed on the fireproof bottom plate, and the upper end of the descending damping spring is abutted to the lower bottom surface of the U-shaped mounting groove of the cable mounting frame.
A plurality of groups of ascending damping springs are arranged on the fireproof top plate; the upward damping spring is arranged between the fireproof top plate and the cable mounting rack cover plate; go upward damping spring upper end and be fixed in the fire prevention roof towards one side in the cell type main part, go upward damping spring lower extreme and cable mounting bracket apron counterbalance.
A left buffer plate is arranged on one side of the left fireproof outer plate, which faces the inside of the groove-shaped main body; and a right buffer plate is arranged on the right fireproof outer plate towards one side in the groove-shaped main body.
And a plurality of first air holes arranged in parallel and a plurality of second air holes arranged in parallel are arranged on the fireproof top plate.
Preferably, the first vent hole and the second vent hole have opposite inclination directions.
Preferably, the two cable mounts are arranged in parallel in the trough-shaped body.
Preferably, the first air holes are in a strip shape; the first air holes are in strip shapes.
Preferably, the first vent hole is circular; the first air hole is circular.
Preferably, the heat dissipation holes in the cover plate are long-strip-shaped.
Preferably, the heat dissipation holes in the cover plate are circular.
Preferably, the left buffer plate is a rock wool plate; the right buffer plate is a rock wool plate.
Preferably, the fireproof top plate, the fireproof bottom plate, the left fireproof outer plate and the right fireproof outer plate are all inorganic fireproof plates.
Preferably, the inorganic fire protection plate is made of a siliceous inorganic fire-resistant material.
The utility model has the beneficial effects that: the fireproof and anti-seismic bridge provided by the utility model has the functions of fire resistance, shock absorption and ventilation, the bridge is of a similar-Chinese character hui-shaped structure, the shell has fire resistance, the cable can be protected from continuously working for a period of time (fire evacuation rescue time) in a fire, the damping and ventilation structure is arranged in the bridge, the vibration acting force from the vertical direction is removed through the uplink damping spring and the downlink damping spring, the vibration from the left and right directions is reduced through the damping shock absorber and the rock wool plates laid on the inner sides of the left-side fireproof outer plate and the right-side fireproof outer plate, the anti-seismic effect is good, and meanwhile, the requirement of separately laying a fire load and an important load double-loop power supply line with more than two levels can be met.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the state of use of the present invention.
In the figure, an uplink damping spring 1, a fireproof top plate 2, a heat dissipation hole 3, a right buffer plate 4, a spare cable 5, a mounting groove 6, a main power supply cable 7, a downlink damping spring 8, a damping shock absorber 9, a ventilation space 10, a second air vent 11, a cover plate 12, a fireproof bottom plate 13, a left buffer plate 14, a left fireproof outer plate 15, a first air vent 16 and a right fireproof outer plate 17.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings.
In the figures 1 and 2, the fireproof and anti-seismic bridge provided by the utility model adopts a structure similar to a Chinese character hui, a shell forms a fireproof layer of the bridge, and a damping and ventilating structure is arranged in the bridge. The bridge frame specifically comprises a groove-shaped main body and a fireproof top plate 2 connected to the groove-shaped main body. The groove-shaped main body consists of a left fireproof outer plate 15, a fireproof bottom plate 13 and a right fireproof outer plate 17. The fireproof top plate 2, the left fireproof outer plate 15, the right fireproof outer plate 17 and the fireproof bottom plate 13 are inorganic fireproof plates made of siliceous inorganic fireproof materials. The fireproof roof plate 2, the left fireproof outer plate 15, the right fireproof outer plate 17 and the fireproof bottom plate 13 jointly form a fireproof layer of the bridge frame, and the bridge frame has strong fireproof performance, so that 5 main power supply cables and 7 standby power supply cables can be ensured to continuously work and be unaffected when a fire disaster occurs.
Two cable mounting racks for mounting the main power supply cable 7 and the spare cable 5 are arranged in parallel in the groove-shaped main body. The cable mounting bracket comprises a U-shaped mounting groove 6 and a cover plate 12 connected to the upper end of the mounting groove 6. A plurality of damping shock absorbers 9 which are arranged in parallel are arranged between the two cable mounting racks.
A plurality of groups of descending damping springs 8 for supporting the cable mounting rack are arranged on the fireproof bottom plate 13; the lower end of the descending damping spring 8 is fixed on the fireproof bottom plate 13, and the upper end of the descending damping spring is abutted to the lower bottom surface of the U-shaped installation groove of the cable installation frame. And a plurality of groups of ascending damping springs 1 are arranged on the fireproof top plate 2. The upward damping spring 1 is arranged between the fireproof top plate 2 and the cable mounting frame cover plate 12. Go upward damping spring 1 upper end and be fixed in the fire roof 2 towards one side in the cell type main part, go upward damping spring 1 lower extreme and cable mounting apron 12 counterbalance. A left buffer plate 14 is arranged on one side of the left fireproof outer plate 15 facing the inside of the groove-shaped main body; the left buffer plate 14 is a rock wool plate. A right buffer plate 4 is arranged on one side of the right fireproof outer plate 17 facing the inside of the groove-shaped main body; the right buffer plate 4 is also a rock wool plate. The up-and-down direction vibration acting force can be removed by the up-and-down damping springs 1 and 8, and the left-and-right direction vibration can be reduced by the damping damper 9 and the rock wool boards laid on the inner sides of the left-side fireproof outer board 15 and the right-side fireproof outer board 17.
A gap is arranged between the inner wall of the groove-shaped main body and the cable mounting rack to serve as a ventilation space 10, and an internal ventilation structure is realized by utilizing the gap of the anti-seismic component. The cover plate 12 is provided with a plurality of circular heat dissipation holes 3 which communicate the cable mounting rack with the ventilation space 10. A plurality of first air holes 16 arranged in parallel and a plurality of second air holes 11 arranged in parallel are arranged on the fireproof top plate 2. The inclination directions of the first air hole and the second air hole are opposite. The gaps among the components of the ascending damping spring 1, the descending damping spring 8 and the damping shock absorber 9, the heat dissipation holes 3 on the cover plate 12, the first air holes 16 and the second air holes 11 on the fireproof top plate 11 are utilized to realize the internal and external flow of air, and the purpose of cable heat dissipation is achieved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a fire-resistant antidetonation crane span structure which characterized in that: comprises a groove-shaped main body and a fireproof top plate (2) connected to the groove-shaped main body; the groove-shaped main body consists of a left fireproof outer plate (15), a fireproof bottom plate (13) and a right fireproof outer plate (17);
two cable mounting racks for mounting the main power supply cable (7) and the standby cable (5) are arranged in the groove-shaped main body;
the cable mounting rack comprises a U-shaped mounting groove (6) and a cover plate (12) connected to the upper end of the mounting groove (6); a plurality of heat dissipation holes (3) are formed in the cover plate (12);
a plurality of damping shock absorbers (9) arranged in parallel are arranged between the two cable mounting racks;
a plurality of groups of descending damping springs (8) for supporting the cable mounting rack are arranged on the fireproof bottom plate (13); the lower end of the descending damping spring (8) is fixed on the fireproof bottom plate (13), and the upper end of the descending damping spring is abutted against the lower bottom surface of the U-shaped mounting groove of the cable mounting rack;
a plurality of groups of ascending damping springs (1) are arranged on the fireproof top plate (2); the upward damping spring (1) is arranged between the fireproof top plate (2) and the cable mounting frame cover plate (12); the upper end of the uplink damping spring (1) is fixed on one side, facing the inside of the groove-shaped main body, of the fireproof top plate (2), and the lower end of the uplink damping spring (1) abuts against the cable mounting rack cover plate (12);
a left buffer plate (14) is arranged on one side of the left fireproof outer plate (15) facing the inside of the groove-shaped main body; a right buffer plate (4) is arranged on one side, facing the inside of the groove-shaped main body, of the right fireproof outer plate (17);
a plurality of first air holes (16) arranged in parallel and a plurality of second air holes (11) arranged in parallel are arranged on the fireproof top plate (2).
2. The fire-resistant seismic bridge of claim 1, wherein: the first air hole (16) and the second air hole (11) are opposite in inclination direction.
3. The fire-resistant seismic bridge of claim 1, wherein: the two cable mounting racks are arranged in the groove-shaped main body in parallel.
4. A fire-resistant seismic bridge according to claim 1, wherein: the first air holes are long; the first air holes are in a strip shape.
5. A fire-resistant seismic bridge according to claim 1, wherein: the first air holes are circular; the first air holes are circular.
6. A fire-resistant seismic bridge according to claim 1, wherein: the heat dissipation holes (3) in the cover plate (12) are in a strip shape.
7. A fire-resistant seismic bridge according to claim 1, wherein: the heat dissipation holes (3) in the cover plate (12) are circular.
8. The fire-resistant seismic bridge of claim 1, wherein: the left buffer plate (14) is a rock wool plate; the right buffer plate is a rock wool plate.
9. The fire-resistant seismic bridge of claim 1, wherein: the fireproof top plate (2), the fireproof bottom plate (13), the left fireproof outer plate (15) and the right fireproof outer plate (17) are inorganic fireproof plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119739.4U CN217036618U (en) | 2022-01-18 | 2022-01-18 | Fire-resistant antidetonation crane span structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119739.4U CN217036618U (en) | 2022-01-18 | 2022-01-18 | Fire-resistant antidetonation crane span structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217036618U true CN217036618U (en) | 2022-07-22 |
Family
ID=82449571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220119739.4U Active CN217036618U (en) | 2022-01-18 | 2022-01-18 | Fire-resistant antidetonation crane span structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217036618U (en) |
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2022
- 2022-01-18 CN CN202220119739.4U patent/CN217036618U/en active Active
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