CN218771058U

CN218771058U - Fireproof cable bridge

Info

Publication number: CN218771058U
Application number: CN202222867122.3U
Authority: CN
Inventors: 沐勇
Original assignee: Jiangsu Yueshengya Electric Co ltd
Current assignee: Jiangsu Yueshengya Electric Co ltd
Priority date: 2022-10-30
Filing date: 2022-10-30
Publication date: 2023-03-28
Anticipated expiration: 2032-10-30

Abstract

The utility model discloses a fireproof cable bridge, which comprises a lifting bracket, a cable bearing bracket and a cable protection groove; the cable bearing bracket comprises a supporting main shaft and a side supporting rod; the cable protection groove comprises a protection bottom groove, a top cover and a butt joint locking mechanism; the side supporting rod is arranged on the supporting main shaft; a support roller is arranged on the side support rod; and a side heat-insulating fireproof plate, a bottom heat-insulating fireproof plate and a top heat-insulating fireproof plate are arranged on the inner wall of the cable protection groove. The fireproof cable bridge frame can play a role in heat insulation and fire prevention in the cable protection groove by utilizing the side heat insulation fireproof plate, the bottom heat insulation fireproof plate and the top heat insulation fireproof plate, so that the protection effect on an internal cable is enhanced, and the service life of the cable is prolonged; utilize the setting of side vaulting pole and each supporting roller, can carry out the stable stay to the cable, and when the pull cable, can not lead to the fact the pull to strike to the crane span structure is whole under the rotatory effect of supporting roller, ensure the holistic stability of crane span structure.

Description

Fireproof cable bridge

Technical Field

The utility model relates to a cable testing bridge, especially a fireproof cable testing bridge.

Background

In a modern high-rise building, because a large number of cables of a power system need to be used, and corresponding cables need to be laid inside and outside the building, in order to arrange and protect the cables, cable bridges are often used for merging and arranging. In the middle of the process of erectting the cable testing bridge, need pull the cable in the cable testing bridge, but when pulling, because the cable is whole overweight, can cause the cable testing bridge not hard up, it is direct damage to lead to the cable testing bridge even possibly, influence the normal use of cable, and current cable testing bridge does not possess the temperature safeguard function, when externally long-term high temperature, can lead to inside cable ageing, the burning phenomenon can appear in probably even, and current inside many cables of cable testing bridge are crisscross, be unfavorable for the later stage to maintain the cable. Therefore, it is necessary to design a fireproof cable bridge, which can merge and arrange cables, and has strong installation strength and high temperature resistance, thereby ensuring the reliability of cable arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the fireproof cable bridge can merge and arrange cables, and has strong installation strength and high temperature resistance, so that the reliability of cable arrangement is ensured.

In order to realize the aim of the utility model, the utility model provides a fireproof cable bridge, which comprises a lifting bracket, a cable bearing bracket and a cable protective groove; the cable bearing bracket comprises a supporting main shaft and side supporting rods; the cable protection groove comprises a protection bottom groove, a top cover and a butt joint locking mechanism; the lower end of the supporting main shaft is arranged on a lifting support, and the lifting support is arranged on a fixed vertical surface; the supporting main shaft is vertically installed on the bottom of the protective bottom groove in a penetrating mode, the top cover covers the upper opening of the protective bottom groove, and the upper end of the supporting main shaft is detachably fixed on the top cover; the butt joint locking mechanism is arranged on the outer side surface of the protection bottom groove and is used for performing counter-pull locking and conducting when the adjacent protection bottom grooves are in butt joint; the end parts of the side supporting rods are detachably and vertically arranged on the supporting main shaft; supporting rollers for supporting the cables are rotatably arranged on the side supporting rods at intervals; the side heat-insulation fireproof plate, the bottom heat-insulation fireproof plate and the top heat-insulation fireproof plate are respectively arranged on the vertical inner wall of the protection bottom groove, the bottom inner wall of the protection bottom groove and the lower side surface of the top cover in a pressing-close mode.

Furthermore, the lifting support comprises a vertical surface mounting plate and an overhanging T-shaped rod; one end of the overhanging T-shaped rod is vertically fixed in the middle of the vertical face mounting plate, and a plurality of mounting holes are arranged on the vertical face mounting plate.

Furthermore, a bottom supporting plate is arranged at the lower end of the supporting main shaft, and the lower side surface of the protective bottom groove is supported on the bottom supporting plate; the bottom support plate is detachably mounted on the overhanging end of the overhanging T-shaped rod.

Furthermore, a raised external thread is arranged on the periphery of the lower end of the supporting main shaft, a locking nut is screwed on the external thread, and the locking nut is pressed on the heat-insulating fireproof plate at the bottom.

Furthermore, the hanging end of each side supporting rod is arranged to be a bending end bent upwards and used for stopping and limiting the cable.

Furthermore, an adjusting screw is screwed on the bent end through threads, a pressing plate is rotatably mounted at the end part of the adjusting screw, and the pressing plate is pressed on the side heat-insulating fireproof plate.

Furthermore, a square bump is arranged on the adjusting screw rod.

Furthermore, a top nut is screwed on the upper end of the supporting main shaft, an annular supporting plate is fixedly arranged on the upper side face of the top nut, and the annular supporting plate is supported on the lower side face of the top heat-insulation fireproof plate.

Furthermore, an assembly threaded hole is formed in the upper end of the supporting main shaft, a top bolt is arranged on the top cover, and the top bolt is installed on the assembly threaded hole in a threaded screwing mode.

Furthermore, the butt joint locking mechanism comprises a strip-shaped mounting seat, a split bolt and a split conducting bar; the strip-shaped mounting seat is fixed on the outer side surface of the end part of the protection bottom groove, and a T-shaped sliding groove parallel to the direction of the protection bottom groove is arranged on the strip-shaped mounting seat; one end of the opposite-pulling conductive bar is inserted into the T-shaped sliding groove, and the other end of the opposite-pulling conductive bar extends out of the end part of the protective bottom groove; opposite-pulling threaded holes are formed in the two ends of the opposite-pulling conductive strips; the counter-pull bolt is rotatably arranged on the end face of the strip-shaped mounting seat, and the end part of the counter-pull bolt extends into the T-shaped sliding groove; the split bolt is screwed on the split thread hole at the insertion end of the split conductive bar.

The beneficial effects of the utility model reside in that: the side heat-insulating fireproof plate, the bottom heat-insulating fireproof plate and the top heat-insulating fireproof plate can play a role in heat insulation and fire prevention in the cable protection groove, so that the protection effect on an internal cable is enhanced, and the service life of the cable is prolonged; the cable can be stably supported by the arrangement of the side supporting rods and the supporting rollers, and when the cable is pulled, the pulling impact on the whole bridge frame cannot be caused under the rotating action of the supporting rollers, so that the stability of the whole bridge frame is ensured; the layered arrangement of the cables can be realized by utilizing the side supporting rods, so that the subsequent maintenance of each cable is facilitated; the lower extreme direct mount that utilizes the support main shaft lifts the support for the weight direct transmission that each side vaulting pole bore is on lifting the support, guarantees the support intensity and the stability of cable.

Drawings

FIG. 1 is a schematic sectional view of the end of the present invention;

fig. 2 is a schematic side view of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1 and 2, the utility model discloses a fireproof cable bridge frame includes: the cable protection device comprises a lifting bracket, a cable bearing bracket and a cable protection groove; the cable carrying bracket comprises a supporting main shaft 7 and each side stay 16; the cable protection groove comprises a protection bottom groove 1, a top cover 2 and a butt joint locking mechanism; the lower end of the supporting main shaft 7 is arranged on a lifting support, and the lifting support is arranged on a fixed vertical surface; the supporting main shaft 7 is vertically installed on the bottom of the protective bottom groove 1 in a penetrating mode, the top cover 2 covers the upper opening of the protective bottom groove 1, and the upper end of the supporting main shaft 7 is detachably fixed on the top cover 2; the butt joint locking mechanism is arranged on the outer side surface of the protection bottom groove 1 and is used for performing butt joint locking and electric conduction when the adjacent protection bottom grooves 1 are in butt joint; the end part of each side supporting rod 16 is detachably and vertically arranged on the supporting main shaft 7, and the side supporting rods 16 are vertical to the length direction of the protective bottom groove 1; supporting rollers 17 for supporting the cables 30 are rotatably mounted on the side supporting rods 16 at intervals; the side heat-insulation fireproof plate 5, the bottom heat-insulation fireproof plate 6 and the top heat-insulation fireproof plate 4 are respectively arranged on the vertical inner wall of the protection bottom groove 1, the bottom inner wall of the protection bottom groove 1 and the lower side surface of the top cover 2 in a pressing-close manner.

The side heat-insulating fireproof plate 5, the bottom heat-insulating fireproof plate 6 and the top heat-insulating fireproof plate 4 can play a role in heat insulation and fire prevention in the cable protective groove, so that the protective effect on the internal cable 30 is enhanced, and the service life of the cable 30 is prolonged; by means of the arrangement of the side supporting rods 16 and the supporting rollers 17, the cable 30 can be stably supported, and when the cable 30 is pulled, the pulling impact on the whole bridge frame cannot be caused under the rotating action of the supporting rollers 17, so that the stability of the whole bridge frame is ensured; the layered arrangement of the cables 30 can be realized by utilizing the side supporting rods 16, so that the subsequent maintenance of each cable 30 is facilitated; the lower end of the supporting main shaft 7 is directly arranged on the lifting support, so that the weight borne by each side supporting rod 16 is directly transmitted to the lifting support, and the supporting strength and stability of the cable 30 are ensured.

Furthermore, the length edges of the two sides of the top cover 2 are respectively provided with a turnover edge 3 which is turned over downwards, and the turnover edges 3 are buckled and pressed on the side edge of the upper opening of the protective bottom groove 1. The edge buckle can be realized by utilizing the flanging edge 3, the structural performance is enhanced, and a certain top waterproof effect can be also realized.

Further, the lifting support comprises a vertical surface mounting plate 27 and an overhanging T-shaped rod 14; one end of the overhanging T-shaped rod 14 is vertically fixed in the middle of the vertical surface mounting plate 27, and a plurality of mounting holes 28 are arranged on the vertical surface mounting plate 27; a triangular rib plate 26 is arranged at the joint of the vertical surface mounting plate 27 and the overhanging T-shaped rod 14. The overhanging T-shaped rod 14 is used for carrying out overhanging support, so that the stability of support can be stronger; the stability at the connection installation position can be enhanced by the triangular rib plate 26.

Further, a bottom support plate 13 is arranged at the lower end of the support main shaft 7, and the lower side surface of the protective bottom groove 1 is supported on the bottom support plate 13; the bottom support plate 13 is detachably mounted on the overhanging end of the overhanging T-bar 14 by a bottom bolt 15. Utilize bottom sprag board 13 can carry out the outrigger to protection kerve 1, strengthen the installation stability of protection kerve 1.

Further, a raised external thread 11 is arranged on the periphery of the lower end of the support main shaft 7, a locking nut 12 is screwed on the external thread 11, and the locking nut 12 is pressed on the bottom heat-insulation fireproof plate 6. The bottom heat-insulating and fire-protecting plate 6 can be pressed by the lock nut 12, thereby enhancing the installation stability of the bottom heat-insulating and fire-protecting plate 6.

Further, the free end of each side stay 16 is provided with a bent end 18 bent upward for stopping and limiting the cable 30. The bent end 18 can be used for stopping and limiting the cable 30, so that the cable is prevented from being separated in the drawing process.

Furthermore, an adjusting screw rod 19 is screwed on the bending end 18, and a pressing plate 21 is rotatably mounted on the end of the adjusting screw rod 19, and the pressing plate 21 presses on the side heat-insulating fireproof plate 5. The side heat-insulating and fire-protecting plate 5 is pressed by the pressing plate 21, so that the installation stability of the side heat-insulating and fire-protecting plate 5 is ensured.

Further, a square projection 20 is provided on the adjusting screw 19. The square projection 20 can be used to facilitate the adjustment of the adjusting screw 19 by turning with a wrench, so that the pressing plate 21 presses against the side insulating fire protection plate 5.

Further, a top nut 9 is screwed on the upper end of the supporting main shaft 7, an annular supporting plate 10 is fixedly arranged on the upper side surface of the top nut 9, and the annular supporting plate 10 is supported on the lower side surface of the top heat-insulating fireproof plate 4. The detachable mounting of the annular support plate 10 can be achieved by means of the top nut 9; the top heat-insulation fireproof plate 4 can be supported by the annular supporting plate 10, and the installation stability of the top heat-insulation fireproof plate 4 is enhanced.

Furthermore, an assembly threaded hole is formed in the upper end of the support main shaft 7, a top bolt 8 is arranged on the top cover 2, and the top bolt 8 is installed on the assembly threaded hole in a threaded screwing mode. The detachable mounting of the top cover 2 can be achieved by means of a top bolt 8.

Further, the butt joint locking mechanism comprises a strip-shaped mounting seat 22, a split bolt 25 and a split conducting strip 23; the strip-shaped mounting seat 22 is fixed on the outer side surface of the end part of the protection bottom groove 1, and a T-shaped sliding groove 24 parallel to the direction of the protection bottom groove 1 is arranged on the strip-shaped mounting seat 22; one end of the opposite-pulling conductive bar 23 is inserted into the T-shaped sliding groove 24, and the other end extends out of the end part of the protective bottom groove 1; opposite-pulling threaded holes are formed in the two ends of the opposite-pulling conductive strips 23; the counter-pull bolt 25 is rotatably arranged on the end surface of the strip-shaped mounting seat 22, and the end part of the counter-pull bolt 25 extends into the T-shaped sliding groove 24; the split bolt 25 is screwed on the split thread hole at the inserting end of the split conductive bar 23. By matching the counter-pulling conductive strips 23 with the counter-pulling bolts 25, counter-pulling fixation can be performed when the adjacent protective bottom grooves 1 are in butt joint, so that the butt joint strength of the adjacent protective bottom grooves 1 is enhanced; through the conductive strips 23, the opposite-pulling fixation can be realized, and the grounding connection between the adjacent protective bottom grooves 1 can also be realized.

When the fireproof cable bridge frame is installed and used, the vertical surface installation plate 27 is fixedly installed at a position to be installed through the vertical surface installation bolt, the cable 30 is placed on the side support rod 16, when the cable 30 is drawn, the support roller 17 rotates to reduce resistance, the cable 30 can be conveniently arranged in a layered mode through the layered arrangement of the side support rods 16, and when the lower layer cable 30 is arranged, the upper layer side support rod 16 is not installed at first; the top cover 2 is fixed through a top bolt 8 after covering the protective bottom groove 1; when the adjacent protection bottom grooves 1 are butted, two ends of the opposite-pull conductive strips 23 are respectively inserted into the T-shaped sliding grooves 24 of the adjacent two strip-shaped mounting seats 22 and are oppositely pulled and fixed through opposite-pull bolts 25 on corresponding sides.

As noted above, while the invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited to the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a fire prevention cable testing bridge which characterized in that: the cable protection device comprises a lifting bracket, a cable bearing bracket and a cable protection groove; the cable bearing bracket comprises a supporting main shaft (7) and each side supporting rod (16); the cable protection groove comprises a protection bottom groove (1), a top cover (2) and a butt joint locking mechanism; the lower end of the supporting main shaft (7) is arranged on a lifting support, and the lifting support is arranged on a fixed vertical surface; the supporting main shaft (7) is vertically installed on the bottom of the protective bottom groove (1) in a penetrating mode, the top cover (2) covers an opening in the upper side of the protective bottom groove (1), and the upper end of the supporting main shaft (7) is detachably fixed on the top cover (2); the butt joint locking mechanism is arranged on the outer side surface of the protective bottom groove (1) and is used for performing butt joint locking and electric conduction when the adjacent protective bottom grooves (1) are in butt joint; the end parts of the side supporting rods (16) are detachably and vertically arranged on the supporting main shaft (7); supporting rollers (17) for supporting the cables (30) are arranged on the side supporting rods (16) in an interval type rotating mode; the side heat-insulation fireproof plate (5), the bottom heat-insulation fireproof plate (6) and the top heat-insulation fireproof plate (4) are respectively arranged on the vertical inner wall of the protection bottom groove (1), the bottom inner wall of the protection bottom groove (1) and the lower side surface of the top cover (2) in a pressing-close manner.

2. The fire-resistant cable tray of claim 1, wherein: the lifting support comprises a vertical surface mounting plate (27) and an overhanging T-shaped rod (14); one end of the overhanging T-shaped rod (14) is vertically fixed in the middle of the facade mounting plate (27), and a plurality of mounting holes (28) are arranged on the facade mounting plate (27).

3. The fire-resistant cable tray of claim 2, wherein: a bottom supporting plate (13) is arranged at the lower end of the supporting main shaft (7), and the lower side surface of the protective bottom groove (1) is supported on the bottom supporting plate (13); the bottom support plate (13) is detachably mounted on the overhanging end of the overhanging T-shaped rod (14).

4. The flameproof cable tray of claim 1, wherein: the periphery of the lower end of the supporting main shaft (7) is provided with a raised external thread (11), a locking nut (12) is screwed on the external thread (11), and the locking nut (12) is pressed on the bottom heat-insulating fireproof plate (6).

5. The fire-resistant cable tray of claim 1, wherein: the hanging end of each side supporting rod (16) is provided with a bending end (18) which is bent upwards and used for stopping and limiting the cable (30).

6. The fire-resistant cable tray of claim 5, wherein: an adjusting screw rod (19) is screwed on the bending end (18), a pressing plate (21) is rotatably arranged on the end part of the adjusting screw rod (19), and the pressing plate (21) is pressed on the side heat-insulating fireproof plate (5).

7. The fire-resistant cable tray of claim 6, wherein: a square lug (20) is arranged on the adjusting screw rod (19).

8. The fire-resistant cable tray of claim 1, wherein: a top nut (9) is screwed on the upper end of the supporting main shaft (7), an annular supporting plate (10) is fixedly arranged on the upper side surface of the top nut (9), and the annular supporting plate (10) is supported on the lower side surface of the top heat-insulating fireproof plate (4).

9. The fire-resistant cable tray of claim 1, wherein: an assembly threaded hole is formed in the upper end of the supporting main shaft (7), a top bolt (8) is arranged on the top cover (2), and the top bolt (8) is installed on the assembly threaded hole in a threaded screwing mode.

10. The fire-resistant cable tray of claim 1, wherein: the butt joint locking mechanism comprises a strip-shaped mounting seat (22), a split bolt (25) and a split conducting bar (23); the strip-shaped mounting seat (22) is fixed on the outer side surface of the end part of the protection bottom groove (1), and a T-shaped sliding groove (24) parallel to the direction of the protection bottom groove (1) is arranged on the strip-shaped mounting seat (22); one end of the opposite-pulling conductive bar (23) is inserted into the T-shaped sliding groove (24), and the other end of the opposite-pulling conductive bar extends out of the end part of the protective bottom groove (1); opposite-pulling threaded holes are formed in the two ends of the opposite-pulling conductive strips (23); the counter-pull bolt (25) is rotatably arranged on the end surface of the strip-shaped mounting seat (22), and the end part of the counter-pull bolt (25) extends into the T-shaped sliding groove (24); the split bolt (25) is screwed on the split thread hole at the insertion end of the split conductive bar (23).