CN217362446U

CN217362446U - Tray corner type cable bridge

Info

Publication number: CN217362446U
Application number: CN202221113012.1U
Authority: CN
Inventors: 梁何; 周礼新
Original assignee: Guangdong Mingxing Power Engineering Co ltd
Current assignee: Guangdong Mingxing Power Engineering Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-02
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to a tray corner formula cable testing bridge belongs to the technical field of cable testing bridge, including the curved tray that leads to, the cable is laid on the bottom plate of curved tray that leads to, the both ends of curved tray that leads to are connected with straight tray, the bottom of curved tray that leads to is equipped with the trailing arm, the trailing arm is provided with threely, three trailing arm sets up respectively at the curved middle part corner that leads to the junction that leads to tray and straight tray and curved tray that leads to, the one end of trailing arm is installed on wall or ceiling, the top surface upper cover of curved tray is closed rather than the complex curved apron that leads to, this application is in order to improve the curved anti bending property who leads to of crane span structure, a tray corner formula cable testing bridge is provided.

Description

Tray corner type cable bridge

Technical Field

The application relates to the field of cable bridges, in particular to a tray corner type cable bridge.

Background

The cable bridge is a matched project of wiring engineering, and most cables are flexible structures and cannot be laid independently, so that the cables can be independently fixed on a building or independently supported to pass through a tunnel, underground or in the air and the like through the cable bridge at present. The cable bridge not only plays a role in supporting cables, but also can play a role in protecting and effectively managing the cables, so that the cable bridge is more and more widely applied

The common cable bridge frame is divided into structures of groove type, tray type, ladder type, grid type and the like, and the inner bridge frame of the building can be independently erected on a wall or a ceiling and also can be laid on various buildings (structures) and pipe gallery supports.

In the tray type cable bridge, an elbow bridge is an important accessory and is generally used for connecting a straight bridge with two ends installed below a beam and a plate. Therefore, when more power cables penetrate through the bridge, the bending resistance of the joint of the bent-through bridge and the straight-through bridge is not high when the cables are pressed down.

Disclosure of Invention

In order to improve the bending resistance of the bridge bend, the application provides a tray corner type cable bridge.

The application provides a pair of tray corner formula cable testing bridge adopts following technical scheme:

the utility model provides a tray corner formula cable testing bridge, includes the curved tray that leads to, the cable lays on the bottom plate of curved tray that leads to, the both ends of curved tray that leads to are connected with through tray, the bottom of curved tray that leads to is equipped with the trailing arm, the trailing arm is provided with threely, threely the trailing arm sets up respectively curved tray with the junction of through tray and the middle part corner of curved tray that leads to, the one end of trailing arm is installed on wall or ceiling, curved tray's top surface upper cover has closed rather than complex curved apron that leads to.

By adopting the technical scheme, the supporting arms are arranged at the middle corners of the bent through tray and the joints of the bent through tray and the straight through tray, so that the loads of cables in the bent through tray and the straight through tray are effectively shared by the supporting arms, the bent through tray and the straight through tray are not easy to bend, the bending resistance of the bridge is improved, and the service life of the cable bridge structure is prolonged.

Preferably, one end of the supporting arm is provided with a connecting seat, the connecting seat is provided with a bolt, and the bolt is in threaded connection with a wall or a ceiling.

Through adopting above-mentioned technical scheme, the connected mode that utilizes the bolt is favorable to the dismouting of trailing arm to improve the efficiency of construction.

Preferably, a reinforcing rib plate is arranged on one side, away from the curved tray, of the support arm, and one side of the reinforcing rib plate is connected with the connecting seat.

Through adopting above-mentioned technical scheme, utilize the reinforcing floor to increase the structural strength of trailing arm to make the loading capacity of trailing arm bigger, thereby improve the stability and the security of cable testing bridge.

Preferably, the width of the reinforcing rib is tapered from one end close to the connecting seat along the length direction of the reinforcing rib.

Through adopting above-mentioned technical scheme, utilize the reinforced floor of the type that reduces to make reinforced floor reduce the material when satisfying structural strength to reduce the structure dead weight, practice thrift the cost, be convenient for install.

Preferably, the top surface of the supporting arm is connected with the bottom of the elbow tray by full-length welding, and the height of a welding line is 6 mm.

Through adopting above-mentioned technical scheme, utilize welded connection between trailing arm and the curved tray that leads to, make the curved tray that leads to can the stable connection on the trailing arm, increase the structural strength between trailing arm and the curved tray that leads to improve the stability and the security of cable testing bridge.

Preferably, the corner part of the bending-through tray satisfies that the bending radius of the cable is not less than 10 times of the outer diameter of the cable.

Through adopting above-mentioned technical scheme, the realization corner that makes the cable can be more smooth and easy is reduced to the setting of the corner part of curved tray, to reduce the rate of tension of the cable of curved tray corner part to increase the life of this part cable.

Preferably, the reserved distance from the top surface of the bent-through cover plate to the ceiling is larger than 300 mm.

Through adopting above-mentioned technical scheme, it is more convenient when making the curved apron of installing to set up the reserve distance to improve the efficiency of construction.

Preferably, the bottom of the elbow tray is connected with a grounding wire staggered with the support arm, and one end of the grounding wire far away from the elbow tray is connected with the ground.

By adopting the technical scheme, the grounding wire is arranged to guide unsafe electric charges generated due to various reasons or the electric charges are led to the ground, so that the safety of the cable bridge is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bracket arms are arranged at the middle corners of the bent-through trays and the joints of the bent-through trays and the straight-through trays, so that the load of cables in the bent-through trays and the straight-through trays is effectively shared by the bracket arms, the bent-through trays and the straight-through trays are not easy to bend, the bending resistance of the bridge frame bent-through is improved, and the service life of the cable bridge frame structure is prolonged;

2. the special size of the corner part of the bending tray enables the cable to be capable of achieving a corner more smoothly, the tension degree of the cable bending through the corner part of the bending tray is reduced, and therefore the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic overall structure diagram in the embodiment of the present application.

Fig. 2 is a top view of the overall structure (with portions of the structure hidden for better illustration) in an embodiment of the present application.

Fig. 3 is a perspective view of the entire structure in the embodiment of the present application (partially hidden for better illustration).

Fig. 4 is an enlarged view a in the embodiment of the present application.

Description of reference numerals: 1. a curved tray; 11. a through hole; 12. a card holder; 2. a straight-through tray; 3. a bracket arm; 31. a connecting seat; 32. a reinforcing rib plate; 33. a bolt; 4. bending through the cover plate; 41. clamping the strip; 5. a ground line; 6. a wall; 7. a ceiling panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses tray corner type cable bridge.

Referring to fig. 1 and 3, a tray corner formula cable testing bridge, including curved tray 1, in this embodiment, curved tray 1 is installed in the corner of wall 6, and the both ends of curved tray 1 are connected with through tray 2, and is specific, curved tray 1 including bottom plate and curb plate, the curb plate is provided with two, two curb plates symmetry set up the both sides formation "U" style of calligraphy structure at the bottom plate.

Wherein, referring to fig. 2 and 3, the cable is laid on the top surface of bottom plate, and is concrete, has seted up through-hole 11 on the bottom plate, and the cable passes through-hole 11 fixed connection at the top surface of bottom plate through the nylon ribbon, fixes the cable through the nylon ribbon and is favorable to the fixed of cable and dismantles, is convenient for maintain the cable conductor.

Referring to fig. 1 and 4, the curved cover plate 4 is covered on the top surface of the side plate, specifically, the outer side surface of the top end of the side plate is provided with a clamping seat 12, the two side surfaces of the curved cover plate 4 are provided with clamping strips 41 mutually matched with the clamping seat 12, when the curved cover plate is installed, the clamping strips 41 are clamped and matched in the clamping seat 12 to fix the curved cover plate 4, wherein a straight cover plate is also arranged on the straight tray 2, and the cross section of the straight cover plate is the same as that of the curved cover plate 4.

The bent-through cover plate 4 is arranged to reduce dust and prevent small animals from entering a cable bridge to damage a cable, so that the service life and safety of the cable are improved.

Wherein, the reserved distance from the top surface of the curved through cover plate 4 to the ceiling 7 is more than 300mm, in the embodiment, the reserved distance from the top surface of the curved through cover plate 4 to the ceiling 7 is 400 m; the bent-through cover plate 4 is more convenient to mount by setting the reserved distance, so that the construction efficiency is improved.

Referring to fig. 3, the bottom of the bottom plate is provided with three support arms 3, in this embodiment, the number of the support arms 3 may be determined according to the length of the bending-through tray 1 in other embodiments.

Specifically, referring to fig. 2, three support arms 3 are respectively disposed at the corner near the connection between the curved tray 1 and the straight tray 2 and the middle of the curved tray 1, and one end of each support arm 3 is fixedly connected to a wall 6 or a ceiling 7.

Referring to fig. 1, in the present embodiment, a connecting seat 31 is disposed at one end of the bracket 3, a bolt 33 is disposed on the connecting seat 31, the bolt 33 is screwed on the wall 6 or the ceiling 7 to fix the bracket 3, and the connecting manner of the bolt 33 is favorable for mounting and dismounting the bracket 3, thereby improving the construction efficiency.

Referring to fig. 1 and 3, a connecting seat 31 of the bracket arm 3 at the connection position of the bent-through tray 1 and the straight-through tray 2 is fixed on the wall 6 by a bolt 33; the coupling seat 31 of the bracket 3 at the middle position of the bent through tray 1 is fixed at the ceiling 7 by a bolt 33.

Referring to fig. 1, in the present embodiment, a reinforcing rib 32 is disposed on a side of the bracket arm 3 away from the curved tray 1, and one side of the reinforcing rib 32 is connected to the connecting seat 31; the bracket arm 3 and the reinforcing rib plate 32 are of an integrally formed structure, and specifically, the bracket arm 3 and the reinforcing rib plate 32 are of an L-shaped steel structure after being formed.

The reinforcing rib plate 32 is used for increasing the structural strength of the bracket arm 3, so that the loading capacity of the bracket arm 3 is larger, and the stability and the safety of the cable bridge are improved.

In the present embodiment, the width of the reinforcing rib 32 decreases from the end close to the connecting seat 31 along the length direction of the reinforcing rib 32, that is, the width of the end of the reinforcing rib 32 close to the connecting seat 31 is larger than the width of the end far from the connecting seat 31.

The material of the reinforcing rib plate 32 is reduced while the structural strength is satisfied by using the reducing type reinforcing rib plate 32, so that the self weight of the structure is reduced, the cost is saved, and the installation is convenient.

In this embodiment, the top surface of the bracket arm 3 is connected to the bottom plate by full-length welding, the height of the welding seam is 6mm, and in other embodiments, bolts 33 or other fixed connection methods can be used.

Utilize welded connection between 3 and the curved tray 1 of trailing arm, make curved tray 1 can the stable connection on trailing arm 3, increase the structural strength between trailing arm 3 and the curved tray 1 to improve the stability and the security of cable testing bridge.

Referring to fig. 2, the bending radius of the cable is not less than 10 times of the outer diameter of the cable at the corner portion of the bend-through tray 1, specifically, the cable needs a certain bending radius to be able to be turned when the cable is turned due to the material particularity of the cable itself, and in the bend-through tray 1, the radius of the cable closer to the inner ring is smaller, and if the bending radius of the cable is to be satisfied, the bending radius of the cable needs to be larger than the bending radius required by the cable at the corner portion of the bend-through tray 1, so that the cable can be turned.

Therefore, the special arrangement of the corner part of the elbow tray 1 enables the cable to realize the corner more smoothly, reduces the tension degree of the cable at the corner part of the elbow tray 1, and prolongs the service life of the cable.

Referring to fig. 1 and 3, in the present embodiment, the bottom of the bottom plate is further connected with a grounding wire 5, and the grounding wire 5 is arranged in a staggered manner with respect to the bracket arm 3; specifically, one grounding wire 5 is arranged, one end of the grounding wire 5 is connected to the bottom of the bottom plate and is close to the middle position of the elbow tray 1, and the other end of the grounding wire 5 is connected with the ground.

The effect of the provision of the earth connection 5 is to conduct unsafe electrical charges or leakage currents, which may be generated for various reasons, to the ground, thereby improving the safety of the cable tray.

The implementation principle of the tray corner type cable bridge frame in the embodiment of the application is as follows: the supporting arms 3 are arranged at the middle corners of the bent-through tray 1 and the joints of the bent-through tray 1 and the straight-through tray 2, so that loads of cables including the bent-through tray 1 and the straight-through tray 2 are effectively shared by the supporting arms 3, the bent-through tray 1 and the straight-through tray 2 are not easy to bend, the bending resistance of the bridge frame is improved, and the service life of the cable bridge frame structure is prolonged.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The tray corner type cable bridge frame is characterized by comprising a bend-through tray (1), cables are laid on a bottom plate of the bend-through tray (1), two ends of the bend-through tray (1) are connected with through trays (2), a supporting arm (3) is arranged at the bottom of the bend-through tray (1), the number of the supporting arms (3) is three, the number of the supporting arms is three, the supporting arms (3) are respectively arranged at the joint of the bend-through tray (1) and the through trays (2) and the middle corner of the bend-through tray (1), one end of each supporting arm (3) is installed on a wall (6) or a ceiling (7), and a bend-through cover plate (4) matched with the bend-through tray is covered on the top surface of the bend-through tray (1).

2. The tray corner cable tray of claim 1, wherein the bracket arm (3) is provided with a connecting seat (31) at one end, the connecting seat (31) is provided with a bolt (33), and the bolt (33) is screwed on the wall (6) or the ceiling (7).

3. The tray corner cable tray of claim 2, wherein the bracket arms (3) are provided with a reinforcing rib (32) on the side away from the bend-through tray (1), and one side of the reinforcing rib (32) is connected with the connecting base (31).

4. The tray corner cable tray of claim 3, wherein the width of the reinforcing rib (32) is tapered from an end near the connecting seat (31) along the length of the reinforcing rib (32).

5. The tray corner cable tray of claim 1, wherein the top surface of the bracket arm (3) and the bottom of the bend-through tray (1) are connected by full-length welding, and the height of the welding seam is 6 mm.

6. A tray corner cable tray according to claim 1, wherein the corner portion of the bend-through tray (1) satisfies a bending radius of the cable of not less than 10 times the outer diameter of the cable.

7. The tray corner cable tray of claim 1, wherein the distance reserved from the top surface of the bend-through cover plate (4) to the ceiling (7) is greater than 300 mm.

8. The tray corner type cable tray of claim 1, wherein a ground wire (5) staggering the bracket arms (3) is connected to the bottom of the elbow tray (1), and one end of the ground wire (5) far away from the elbow tray (1) is connected to the ground.