CN211296097U - Triangular cable clamp - Google Patents

Abstract

The utility model provides a triangle cable clamp which is fixed on a bracket through bolts and comprises a cover plate, a base and a Y-shaped isolation component; the base is equipped with the recess of two connections, and two groove connection portion are the boss, and the apron passes through the bolt fastening directly over the base, and both are article style of calligraphy after fixed, and Y type isolation component inserts the boss, has reduced the impact load after the cable takes place short circuit fault, greatly reduced cable clamp's damage probability. The utility model can block the violent relative movement between the base and the isolation component, consume the electromagnetic vibration energy of the cable in normal operation, reduce the impact speed, improve the vibration damping effect, prevent the cable clamp from being damaged easily, and prolong the service life of the cable clamp; the utility model discloses a mode of flexonics has avoided the fastener to lead to damaging because fixed connection.

Description

Triangular cable clamp

Technical Field

The utility model relates to a transmission network technical field, concretely relates to article style of calligraphy cable clamp.

Background

With the continuous improvement of urbanization level, the demand of urban construction on power transmission and distribution cable lines will continuously increase, and urban cable line construction and power cable line design technology are continuously developed. The high-voltage power cable line laying mode mainly comprises a cable tunnel, a calandria, a cable trench and the like, and the fixing and supporting of the cable and accessories thereof mainly depend on the installation and the use of a cable hardware fitting.

The cable hardware fitting mainly comprises a wire clamp, a support and an upright post, and is integrally distributed in sections at a certain interval. The cable passes through fastener fixed mounting on the support, when the short circuit trouble takes place for the electric wire netting, can produce very big short-circuit current, forms strong magnetic field, and on the effect current-carrying cable, the cable will bear very huge electric power. The electrodynamic force is transmitted to the fastener of fixed cable through the mode of contact on to can make the gold utensil take place plastic deformation, form the potential safety hazard, direct fracture drops even, influences the safety and stability operation of electric wire netting. When a power grid normally operates, three-phase alternating current flowing through a cable can induce an alternating magnetic field in a surrounding space, the alternating magnetic field acts on the current-carrying cable to generate electrodynamic force, the electrodynamic force is far smaller than that in a short-circuit state, the vibration of the cable and hardware can be caused, the sound is larger when the load is high, and noise pollution is caused. The long-time vibration of the hardware also can cause the damage of the cable insulation layer, so that the angle iron bracket is loosened and the fixing bolt and the hardware are damaged. Therefore, the clamp directly influences the technical requirements of the cable line under normal operation and short-circuit fault conditions. A triangular cable clamp in the prior art belongs to rigid connection, an isolation assembly is only used for isolating a three-phase cable, and after the rigid connection cable has a short-circuit fault, the impact load on the cable is large, so that the cable clamp is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the cable clamp in the prior art is easy to damage, the utility model provides a delta-shaped cable clamp which is fixed on a bracket (5) through bolts and comprises a cover plate (1), a base (2) and a Y-shaped isolation component (3); apron (1) is fixed directly over base (2) through the bolt, and both are article style of calligraphy after fixed, and base (2) are equipped with two recesses and are located the boss between two recesses, and Y type isolation component (3) insert the boss, have reduced the impact load after the cable takes place short circuit fault, greatly reduced the damage probability of cable clamp.

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

the utility model provides a triangle cable clamp, which comprises a cover plate (1), a base (2) and a Y-shaped isolation component (3);

the base (2) is provided with two connected grooves, the connecting parts of the two grooves are bosses, the cover plate (1) is fixed right above the base (2), and the two fixed grooves are in a triangular shape;

the Y-shaped isolation component (3) is inserted into the boss.

The convex part of boss is hollow structure, during Y type isolation component (3) inserted hollow structure, cable clamp still includes damping layer (4), damping layer (4) are located between hollow structure and isolation component (3).

The damping layer (4) is one or more layers.

When the damping layer (4) is one layer, the damping layer is arranged on the inner wall of the hollow structure or on the surface of the lower part of the Y-shaped isolation component.

When damping layer (4) is the multilayer, the position of damping layer includes:

the multiple damping layers are arranged in a stacked mode and are arranged on the inner wall of the hollow structure, the multiple damping layers are arranged in a stacked mode and are arranged on the lower surface of the Y-shaped isolation assembly, or one part of the damping layers are arranged on the inner wall of the hollow structure and the other part of the damping layers are arranged on the lower surface of the Y-shaped isolation assembly.

The damping layer (4) is made of rubber-based composite materials.

The cover plate (1), the base (2) and the Y-shaped isolation component (3) are made of alloy or high polymer materials.

The alloy is an aluminum alloy.

The high polymer material is glass fiber.

The cable clamp is fixed on the bracket (5) through a bolt.

The damping layer (4) is arranged in a sticking mode.

Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect:

the utility model provides a triangle-shaped cable clamp which is fixed on a bracket (5) through bolts and comprises a cover plate (1), a base (2) and a Y-shaped isolation component (3); the base (2) is provided with two connected grooves, the connecting parts of the two grooves are bosses, the cover plate (1) is fixed right above the base (2) and is in a triangular shape after being fixed, and the Y-shaped isolation component (3) is inserted into the bosses, so that the impact load of a cable after short circuit fault occurs is reduced, and the damage probability of a cable clamp is greatly reduced;

the utility model provides a triangle-shaped cable clamp is equipped with damping layer (4), and damping layer (4) can hinder the violent relative motion between base (2) and isolation component (3), consumes the electromagnetic vibration energy of cable when normal operation, produces damping effect by energy dissipation and counteracts the cable, has reduced impact velocity, has improved the damping effect, and the cable clamp is not fragile, has prolonged the life of cable clamp;

the utility model provides a article style of calligraphy cable clamp has avoided the fastener to lead to damaging because fixed connection through flexonics's mode, and is applicable to different voltage levels, cable conductor footpath, stand interval and tunnel section.

Drawings

FIG. 1 is a perspective view of a delta-shaped cable clamp in an embodiment of the present invention;

FIG. 2 is a front view of a delta-shaped cable clamp in the embodiment of the present invention;

fig. 3 is a side view of the delta-shaped cable clamp in the embodiment of the present invention;

fig. 4 is a top view of the delta-shaped cable clamp in the embodiment of the present invention;

FIG. 5 is a front view of the cover plate in the embodiment of the present invention;

fig. 6 is a side view of a cover plate in an embodiment of the invention;

fig. 7 is a top view of the cover plate in the embodiment of the present invention;

fig. 8 is a front view of the base in the embodiment of the present invention;

fig. 9 is a side view of a base in an embodiment of the invention;

fig. 10 is a top view of the base in an embodiment of the invention;

fig. 11 is a front view of an isolation assembly in an embodiment of the present invention;

figure 12 is a side view of an isolation assembly in an embodiment of the present invention;

figure 13 is a top view of an isolation assembly in an embodiment of the present invention;

FIG. 14 is a schematic view of the embodiment of the present invention showing the relative displacement between the base and the isolation assembly;

in the figure, 1-cover plate, 2-base, 3-Y type isolation component, 4-damping layer and 5-support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model provides a triangle-shaped cable clamp, which is fixed on a bracket 5 through bolts, as shown in figures 1-4, the cable clamp comprises a cover plate 1, a base 2 and a Y-shaped isolation component 3;

base 2 is equipped with the recess of two connections, and two groove connection portion are the boss, and apron 1 detachably fixes directly over base 2 (specifically fixed with the bolt form) to the fixed cable position, apron 1 and base 2 are article style of calligraphy after fixing, and Y type isolation component 3 inserts the boss, and the three-phase cable passes the three cavity that apron 1, base 2 and Y type isolation component 3 formed respectively for fix the cable.

The specific structure of the cover plate 1 is shown in fig. 5-7, the specific structure of the base plate 2 is shown in fig. 8-10, and the specific structure of the Y-shaped isolation component 3 is shown in fig. 11-13.

The convex part of boss is hollow structure, and Y type isolation component 3 inserts hollow structure, and the cable clamp still includes damping layer 4, and damping layer 4 is located between recess and the isolation component 3, separates through damping layer 4 between base 2 and the isolation component 3 promptly. When relative displacement occurs between the cables, relative displacement occurs between the base 2 and the isolation component 3 (as shown in fig. 14), and the damping layer 4 is uniformly stretched or compressed, so that severe relative movement between the base 2 and the isolation component 3 is prevented.

The damping layer 4 is one or more layers.

When the damping layer 4 is a layer, the damping layer is arranged on the inner wall of the hollow structure or on the lower surface of the Y-shaped isolation component.

When the damping layer 4 is a multilayer, the positions of the damping layer include:

the multiple damping layers are arranged in a stacked mode and are arranged on the inner wall of the hollow structure, the multiple damping layers are arranged in a stacked mode and are arranged on the lower surface of the Y-shaped isolation assembly, or one part of the damping layers are arranged on the inner wall of the hollow structure and the other part of the damping layers are arranged on the lower surface of the Y-shaped isolation assembly. The above arrangement may select the manner of attachment.

The damping layer 4 is made of rubber-based composite material, and the technical parameters of the rubber-based composite material are as shown in table 1:

TABLE 1

The cover plate 1, the base 2 and the Y-shaped isolation component 3 are made of alloy or high polymer materials.

The alloy is aluminum alloy, and the high polymer material is glass fiber.

The cavity between the Y-shaped isolation component 3 and the cover plate 1 and the cavity formed between the two grooves are used for placing cables.

The embodiment of the utility model provides a article style of calligraphy cable clamp can satisfy the fixed and installation requirement of cable in the tunnel, when can also compensate the electric wire netting and take place short-circuit fault, because the cable strikes the fastener deformation and the displacement that the load caused, and promotes the cable in normal operating because the equipment vibration protection's that the alternating electromagnetic action arouses ability.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and those skilled in the art can still modify or substitute the specific embodiments of the present invention with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present invention pending.

Claims (7)

1. A delta-shaped cable clamp is characterized by comprising a cover plate (1), a base (2) and a Y-shaped isolation component (3);

the base (2) is provided with two connected grooves, the connecting parts of the two grooves are bosses, the cover plate (1) is fixed right above the base (2), and the two fixed grooves are in a triangular shape;

the Y-shaped isolation component (3) is inserted into the boss.

2. A cable clamp as claimed in claim 1, wherein the convex portion of the boss is a hollow structure, the Y-shaped isolation member (3) is inserted into the hollow structure, the cable clamp further comprises a damping layer (4), and the damping layer (4) is located between the hollow structure and the Y-shaped isolation member (3).

3. The delta-shaped cable clamp according to claim 2, wherein the damping layer (4) is one or more layers.

4. The delta-shaped cable clamp according to claim 3, wherein when the damping layer (4) is a layer, the damping layer is arranged on the inner wall of the hollow structure or on the lower surface of the Y-shaped isolation component.

5. The delta-shaped cable clamp according to claim 3, wherein when the damping layer (4) is multi-layered, the positions of the multi-layered damping layer include:

the multiple damping layers are arranged in a stacked mode and are arranged on the inner wall of the hollow structure, the multiple damping layers are arranged in a stacked mode and are arranged on the lower surface of the Y-shaped isolation assembly, or one part of the damping layers are arranged on the inner wall of the hollow structure and the other part of the damping layers are arranged on the lower surface of the Y-shaped isolation assembly.

6. Delta-shaped cable clamp according to claim 1, characterized in that it is fixed on the support (5) by means of bolts.

7. A cable clamp according to claim 4 or 5, characterized in that the damping layer (4) is provided by means of gluing.

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