CN212875286U

CN212875286U - Firm type fireproof cable crane span structure

Info

Publication number: CN212875286U
Application number: CN202021281335.2U
Authority: CN
Inventors: 祝建; 王艾虎
Original assignee: Jiangsu Yiding Electric Co ltd
Current assignee: Jiangsu Yiding Electric Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-02
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a firm type fireproof cable crane span structure, including U type bottom plate and apron, the poroid backing plate has been placed to the bottom in the U type bottom plate, and vacuole formation between poroid backing plate bottom and the U type bottom plate, the riser that has a plurality of intervals to set up still welds on the poroid backing plate, U type bottom plate both sides all are provided with the thermovent, and the thermovent is and carves the shape, there is the apron still through hinged joint on U type bottom plate one side top, the welding of apron top has enhancement sand grip one, U type bottom plate both sides have all welded enhancement sand grip two, U type bottom plate both sides bottom all has the connecting block, two all install the jib that a plurality of intervals set up through the preformed groove on the connecting block, all inlay in U type bottom plate and the apron and be equipped with the fire prevention sandwich layer. The utility model discloses firm type fireproof cable crane span structure, U type bottom plate and apron structural strength are high, and prevent fires heat dispersion and be good, are fit for being extensively promoted and use.

Description

Firm type fireproof cable crane span structure

Technical Field

The utility model relates to a cable testing bridge makes technical field, in particular to firm type fireproof cable testing bridge.

Background

The cable bridge is widely applied in the industries of petroleum, chemical industry, electric power, light industry, telecommunication and the like, and is mainly used for laying over-the-air power cables, control cables and telecommunication cables.

The cable bridge commonly used by people at present is a closed body formed by splicing a main body and a cover plate, and the current-carrying capacity of the cable is reduced to a great extent because the heat generated by the cable during long-time work cannot be dissipated in time; in addition, the fireproof effect and the structural strength of the conventional bridge are not good, and the cable inside the bridge cannot be effectively protected. To this end, we propose a robust fire-resistant cable tray to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a firm type fireproof cable crane span structure can effectively solve the problem in the background art.

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

the utility model provides a firm type fireproof cable crane span structure, includes U type bottom plate and apron, the bottom has placed the poroid backing plate in the U type bottom plate, and vacuole formation between poroid backing plate bottom and the U type bottom plate, still weld the riser that a plurality of intervals set up on the poroid backing plate, U type bottom plate both sides all are provided with the thermovent, and the thermovent is carve the shape, there is the apron on U type bottom plate one side top still through hinged joint, the welding of apron top has the enhancement sand grip one, U type bottom plate both sides and bottom all weld and have the enhancement sand grip two, U type bottom plate both sides bottom all has the connecting block, two all install the jib through the preformed groove on the connecting block, all inlay in U type bottom plate and the apron and be equipped with the fire prevention sandwich layer, the fire prevention sandwich layer is made by the rock wool material, U type bottom plate and apron internal surface still coat have ultra-thin fire.

Preferably, the bottom of the cover plate is provided with a plurality of arc-shaped spring steels arranged at intervals, and the tops of the arc-shaped spring steels are fixedly connected with the cover plate through screws.

Preferably, a spring is further arranged between the arc-shaped spring steel and the cover plate, and the top end of the spring is fixedly connected with the cover plate through a screw.

Preferably, two the jib top all welds and installs the piece of hanging, two jib bottom periphery all threaded connection has leveling nut.

Preferably, dust filter plates are installed on two sides in the U-shaped bottom plate through mounting grooves, and gradienters are installed at the front end and the tail end of the U-shaped bottom plate through screws.

Preferably, the front end of the U-shaped bottom plate is provided with a bulge, and the tail end of the U-shaped bottom plate is provided with a groove corresponding to the bulge.

Preferably, the top end of one side of the U-shaped bottom plate is provided with a plurality of tightening knobs arranged at intervals, and the tightening knobs are connected with the U-shaped bottom plate through threads.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model, by laying the hole-shaped backing plate for placing the cable at the bottom of the U-shaped bottom plate, the whole body of the cable can be conveniently cooled, and the bad condition of local (bottom) cooling of the cable is avoided; through all seting up the thermovent of carving the shape in U type bottom plate both sides to can make things convenient for the heat that the cable gived off in the U type bottom plate to spill out fast, avoid the cable to reduce its current-carrying capacity because of high temperature, and the thermovent is the shape of carving, U type bottom plate internally mounted dust filter, thereby can avoid the dust to get into in the U type bottom plate (fall on the cable), and then influence cable self radiating effect.

2. The utility model discloses, through the fire prevention sandwich layer of making at the embedded dress rock wool material of U shaped bottom plate and apron to at the ultra-thin type fire protection coating of U shaped bottom plate and apron inner wall coating, thereby can effectively strengthen the fire-resistant fire behavior of U shaped bottom plate and apron, avoid U shaped bottom plate and apron to damage fast because of the burning of inside cable, and then give personnel and put out a fire and provide the time.

3. The utility model discloses, strengthen sand grip one through welding at apron top to strengthen sand grip two in U type bottom plate both sides and bottom all welding, thereby can effectively strengthen the overall structure intensity of apron and U type bottom plate, reduceed the possibility that U type bottom plate or apron were crushed to the cable, and then protected the cable of inside betterly.

Drawings

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

Fig. 2 is the schematic view of the structure of the fireproof core layer in the U-shaped bottom plate and the cover plate of the present invention.

Fig. 3 is a schematic view of the sectional structure of the surface material layer in the U-shaped bottom plate and the cover plate of the present invention.

In the figure: 1. a U-shaped bottom plate; 2. a cover plate; 3. a dust filter plate; 4. a boom; 5. a leveling nut; 6. a porous backing plate; 7. a level gauge; 8. a vertical plate; 9. a protrusion; 10. a second reinforcing convex strip; 11. a heat dissipation port; 12. tightening the knob; 13. installing a hanging block; 14. arc spring steel; 15. a spring; 16. reinforcing the first convex strips; 17. a fire-resistant core layer; 18. connecting blocks; 19. ultra-thin fire-retardant coating.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to the orientation in the drawings, and the terms "inner" and "outer" refer to the orientation toward or away from the geometric center of a particular element, respectively.

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. 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.

Referring to fig. 1-3, a firm fireproof cable bridge comprises a U-shaped base plate 1 and a cover plate 2, wherein a hole-shaped base plate 6 is placed at the bottom in the U-shaped base plate 1, a cavity is formed between the bottom of the hole-shaped base plate 6 and the U-shaped base plate 1, a plurality of vertical plates 8 arranged at intervals are welded on the hole-shaped base plate 6, heat dissipation ports 11 are formed in two sides of the U-shaped base plate 1, the heat dissipation ports 11 are wedge-shaped, the cover plate 2 is further mounted at the top end of one side of the U-shaped base plate 1 through hinges, reinforcing convex strips 16 are welded at the top of the cover plate 2, reinforcing convex strips 10 are welded at two sides and at the bottom of the U-shaped base plate 1, connecting blocks 18 are arranged at the bottoms of two sides of the U-shaped base plate 1, suspenders 4 are mounted on two connecting blocks 18 through reserved grooves, fireproof core layers 17 are embedded in the U-shaped base plate 1 and the cover plate 2, and, the inner surfaces of the U-shaped bottom plate 1 and the cover plate 2 are also coated with ultra-thin fireproof coatings 19.

Referring to fig. 1, in order to facilitate elastic pressing and fixing of the cable at the top of the hole-shaped pad 6, a plurality of arc-shaped spring steels 14 are disposed at intervals at the bottom of the cover plate 2, and the top of the arc-shaped spring steel 14 is fixedly connected to the cover plate 2 through screws.

Referring to fig. 1, in order to enhance the elastic strength of the arc-shaped spring steel 14, a spring 15 is further disposed between the arc-shaped spring steel 14 and the cover plate 2, and the top end of the spring 15 is fixedly connected to the cover plate 2 through a screw.

Referring to fig. 1, in order to facilitate the hoisting and fixing of the cable bridge, mounting hoisting blocks 13 are welded at the top ends of the two hoisting rods 4; in order to facilitate the adjustment of the hung cable bridge in a horizontal state by personnel, the peripheries of the bottom ends of the two hanging rods 4 are both in threaded connection with leveling nuts 5.

Referring to fig. 1, in order to filter the air dust entering the U-shaped bottom plate 1 through the heat dissipation opening 11, dust filter plates 3 are installed on both sides of the U-shaped bottom plate 1 through installation grooves; in order to facilitate the adjustment of the U-shaped bottom plate 1 by personnel in a horizontal state, the front end and the tail end of the U-shaped bottom plate 1 are provided with gradienters 7 through screws.

Referring to fig. 1, in order to facilitate the butt joint of two adjacent front and rear cable bridges, a protrusion 9 is disposed at the front end of the U-shaped bottom plate 1, and a groove corresponding to the protrusion 9 is disposed at the tail end of the U-shaped bottom plate 1.

Referring to fig. 1, in order to fix the cover plate 2 covering the top of the U-shaped bottom plate 1, a plurality of tightening knobs 12 are disposed at intervals at the top end of one side of the U-shaped bottom plate 1, and the tightening knobs 12 are connected with the U-shaped bottom plate 1 through threads.

It should be noted that, the utility model relates to a firm type fireproof cable bridge, during operation, installer installs a plurality of installation hanging block 13 on the roof of operation area in advance, and runs through the jib 4 of its bottom the connecting block 18 of U type bottom plate 1 both sides bottom, and screws up leveling nut 5 at every jib 4 bottom, and finally installer follows the spirit level 7 instruction of U type bottom plate 1 both ends, and manually rotates or spanner screws up leveling nut 5, in order to adjust the U type bottom plate 1 level; when an installer installs adjacent front and rear cable bridges, the bulge 9 of the rear bridge and the groove of the front bridge are required to be in the same level and butted; next, the cable is laid on the hole-shaped base plate 6 by an installer and used; the hole-shaped base plate 7 for placing the cable is laid at the bottom of the U-shaped bottom plate 1, so that the whole body of the cable can be conveniently cooled, and the poor cooling condition of the local (bottom) part of the cable is avoided; the two sides of the U-shaped bottom plate 1 are provided with the heat dissipation ports 11 in the wedge shapes, so that heat dissipated by the cable in the U-shaped bottom plate 1 can be dissipated conveniently and quickly, and the current-carrying capacity of the cable is prevented from being reduced due to high temperature; the fireproof core layers 17 made of rock wool materials are embedded in the U-shaped bottom plate 1 and the cover plate 2, and the inner walls of the U-shaped bottom plate 1 and the cover plate 2 are coated with the ultrathin fireproof coatings 19, so that the fireproof performance of the U-shaped bottom plate 1 and the cover plate 2 can be effectively enhanced, the U-shaped bottom plate 1 and the cover plate 2 are prevented from being rapidly damaged due to the combustion of internal cables, and time is provided for people to extinguish fire; because of the 2 welding in top of apron has strengthened sand grip 16 to all weld in 1 both sides of U type bottom plate and bottom and strengthen two 10 sand grips, thereby can effectively strengthen the overall structure intensity of apron 2 and U type bottom plate 1, and then protect the cable of inside better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a firm type fireproof cable crane span structure, includes U type bottom plate (1) and apron (2), its characterized in that: the fireproof decorative plate is characterized in that a porous base plate (6) is placed at the bottom in the U-shaped base plate (1), a cavity is formed between the bottom of the porous base plate (6) and the U-shaped base plate (1), vertical plates (8) arranged at a plurality of intervals are welded on the porous base plate (6), heat dissipation ports (11) are formed in two sides of the U-shaped base plate (1), the heat dissipation ports (11) are wedge-shaped, a cover plate (2) is further installed at the top end of one side of the U-shaped base plate (1) through hinges, reinforcing convex strips I (16) are welded at the top of the cover plate (2), reinforcing convex strips II (10) are welded at two sides and at the bottom of the U-shaped base plate (1), connecting blocks (18) are arranged at the bottoms of two sides of the U-shaped base plate (1), a plurality of hanging rods (4) arranged at intervals are installed on the two connecting blocks (18) through reserved grooves, and fireproof core layers (17), the fireproof core layer (17) is made of rock wool materials, and the inner surfaces of the U-shaped bottom plate (1) and the cover plate (2) are coated with ultra-thin fireproof coatings (19).

2. A robust fire protection cable tray according to claim 1, wherein: arc spring steel (14) that a plurality of intervals set up are provided with to apron (2) bottom, and arc spring steel (14) top passes through screw and apron (2) fixed connection.

3. A robust fire protection cable tray according to claim 2, wherein: and a spring (15) is further arranged between the arc-shaped spring steel (14) and the cover plate (2), and the top end of the spring (15) is fixedly connected with the cover plate (2) through a screw.

4. A robust fire protection cable tray according to claim 1, wherein: two the installation hangs piece (13) all have welded on jib (4) top, two jib (4) bottom periphery all threaded connection has leveling nut (5).

5. A robust fire protection cable tray according to claim 1, wherein: dust filter (3) are all installed through the mounting groove in both sides in U type bottom plate (1), spirit level (7) are all installed through the screw to U type bottom plate (1) front end and tail end.

6. A firm type fireproof cable bridge of claim 5, wherein: the front end of the U-shaped bottom plate (1) is provided with a bulge (9), and the tail end of the U-shaped bottom plate (1) is provided with a groove corresponding to the bulge (9).

7. A firm type fireproof cable bridge of claim 6, wherein: the U-shaped bottom plate (1) one side top is provided with the tight knob of turning round (12) that a plurality of intervals set up, turn round between tight knob (12) and U-shaped bottom plate (1) through threaded connection.