CN219874940U - Pre-buried fixing device of cable frame for electric power construction - Google Patents

Abstract

The utility model relates to the technical field of cable laying, in particular to a cable frame pre-buried fixing device for electric power construction, which comprises a cable trench, a bracket and a fixing device, wherein both ends of the bracket are fixedly connected with the inner wall of the cable trench, and the bracket is detachably connected with the fixing device for limiting a cable; the support comprises a support A and a support B, wherein the support B is movably spliced with the support A, and connecting parts matched with the cable trenches are fixedly arranged at the separated ends of the support B and the support A; the support is support A and support B constitution, when installing the support, can pull out support B for the both ends of support all with the inner wall fixed connection of cable trench, with the stability that increases the support, the power that receives the support is shared to the cable trench wall at both ends, avoids the support single end atress too big bending, and carries out the centre gripping to the cable through fixing device, is fixed in fixing device and cable on the support through screw nut.

Description

Pre-buried fixing device of cable frame for electric power construction

Technical Field

The utility model relates to the technical field of cable laying, in particular to a cable frame pre-buried fixing device for power construction.

Background

The cable trench is an underground pipeline for laying and replacing power cable facilities, is a main channel for urban power supply, and is widely applied to substations, switching stations and power distribution rooms, and the cable trench bracket is a fastener fixed on the wall of the cable trench for erecting cables;

the existing cable fixing device can play a role in fixing a cable, but when the fixing device is pre-buried, the fixing device is easily damaged due to construction external force, self weight of the cable and the like because the fixing device is usually fixed on one side inner wall of a cable trench, and the problem that the cable is pulled can be caused;

as disclosed in chinese patent publication No. CN115800124a, "a cable rack pre-buried fixing device for electric power construction", it is through putting the cable in the bottom of expansion ring, push down the clamp plate, drive the expansion ring and compress tightly the cable, at this moment, the second spring contracts under pressure, after compressing tightly, the telescopic link can drive the expansion ring under the rebound force of second spring and compress tightly the cable, through the first stopper and the second stopper that are equipped with, the spacing effect of telescopic link has been realized, avoid it to break away from the inside of loop bar, stability of this structure has been improved, but during actual construction installation, because be connected with the slider through slide rail between support frame and the cable trench, when the support frame atress is too big, the junction between its and the slider can take place to bend to warp, thereby unable effectual fixing the cable.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a cable rack embedded fixing device for power construction.

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

the cable rack embedded fixing device for the electric power construction comprises a cable trench, a bracket and a fixing device, wherein two ends of the bracket are fixedly connected with the inner wall of the cable trench, and the bracket is detachably connected with the fixing device for limiting a cable;

the support comprises a support A and a support B, wherein the support B is movably spliced with the support A, and connecting parts matched with the cable trenches are fixedly arranged at the separated ends of the support B and the support A;

the bracket B is provided with a plurality of installation components matched with the fixing device, and each installation component consists of at least two through holes.

Further, the fixing device is composed of two arc-shaped plates, expansion plates are arranged at two ends of each arc-shaped plate, and the expansion plates are detachably connected with the through holes through bolts and nuts.

Further, a guide groove is formed in the lower end of the support A, and a guide block matched with the guide groove is arranged at the lower end of the support B.

Further, the lower extreme of guide block is fixedly provided with the anticreep piece with guide way matched with, be provided with the portion of bending that is used for fixed bolster B on the support A.

Further, the width of the guide groove is larger than the diameter of the through hole.

Further, the connecting part is provided with at least two fixing parts for fixing the connecting part on the cable trench, and the fixing parts are through holes or through grooves for installing bolts.

The utility model provides a cable rack embedded fixing device for power construction, which has the beneficial effects that:

in the utility model, the bracket is composed of the bracket A and the bracket B, when the bracket is installed, the bracket B can be pulled out, so that both ends of the bracket are fixedly connected with the inner wall of the cable trench, the stability of the bracket is improved, the force born by the bracket is distributed to the cable trench walls at both ends, the overlarge stress of a single end of the bracket is avoided, the cable is clamped through the fixing device, and the fixing device and the cable are fixed on the bracket through the screw and the nut;

secondly, in the utility model, the lower end of the bracket B is provided with the guide block and the anti-falling block is matched with the guide groove, so that the bracket B is prevented from being separated from the bracket A during adjustment, the construction efficiency is affected due to the need of reassembling, and the connection strength between the bracket B and the bracket A can be increased.

Drawings

Fig. 1 is a schematic structural diagram of a cable rack pre-buried fixing device for power construction according to the present utility model;

FIG. 2 is a schematic structural view of a stent of the present utility model;

FIG. 3 is a schematic view of the structure of the fixing device of the present utility model;

FIG. 4 is a schematic view of the structure of the anti-drop block of the present utility model;

fig. 5 is a schematic structural view of the through hole of the present utility model.

In the figure: 1. a cable trench; 2. a bracket; 21. a bracket A; 211. a guide groove; 22. a bracket B; 221. a guide block; 222. an anti-falling block; 23. a connection part; 231. a fixing part; 3. a fixing device; 31. an arc-shaped plate; 32. an expansion plate; 4. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a cable rack pre-buried fixing device for power construction comprises a cable trench 1, a bracket 2 and a fixing device 3, wherein both ends of the bracket 2 are fixedly connected with the inner wall of the cable trench 1, and the bracket 2 is detachably connected with the fixing device 3 for limiting a cable;

the bracket 2 comprises a bracket A21 and a bracket B22, the bracket B22 is movably spliced with the bracket A21, the separated ends of the bracket B22 and the bracket A21 are fixedly provided with a connecting part 23 matched with the cable pit 1, the bracket A21 is provided with a groove, and the bracket B22 is provided with a protruding strip matched with the groove so as to ensure that the fixing device 3 above the bracket B22 is at the same horizontal height after the bracket B22 is separated from the bracket A21;

the bracket B22 is provided with a plurality of mounting assemblies matched with the fixing device 3, and each mounting assembly consists of at least two through holes 4.

In the utility model, the bracket 2 is composed of the bracket A21 made of the composite material and the bracket B22 made of the composite material, when the width of the cable trench 1 is larger than the length of the bracket 2, the bracket B22 can be pulled out of the bracket A21, so that the two ends of the bracket 2 are contacted with the inner wall of the cable trench 1, and the two connecting parts 23 are fixedly connected with the cable trench 1, so that the stress of the bracket 2 is more balanced, the bracket is prevented from being deformed or broken due to the stress of one end, the service life is prolonged, and meanwhile, the cable cannot be effectively fixed due to the deformation or breakage of the bracket 2 is avoided.

Referring to fig. 3, in the present utility model, further, the fixing device 3 is composed of two arc plates 31 made of composite materials, two ends of each arc plate 31 are provided with expansion plates 32, the expansion plates 32 are detachably connected with the through holes 4 through bolts and nuts, when the cable needs to be fixed, the cable is placed between the two arc plates 31, the cable is clamped, bolts are inserted into the two expansion plates 32, the bolts penetrate through the bracket 2, and the fixing device 3 and the cable are fixed on the bracket 2 through the nuts, so that the installation is completed, and in some embodiments, rubber rings can be arranged in the fixing device 3 to prevent the cable from being damaged.

Referring to fig. 4 and 5, in this embodiment, the lower end of the bracket a21 is provided with a guide groove 211, the lower end of the bracket B22 is provided with a guide block 221 matched with the guide groove 211, and when the bracket B22 is pulled outwards, the guide block 221 is matched with the guide groove 211 to effectively prevent the bracket B22 from being dislocated from the bracket a21 to be disassembled, so as to avoid affecting the construction efficiency.

Referring to fig. 4, it should be noted that, in some embodiments, the lower end of the guide block 221 is fixedly provided with a drop-preventing block 222 that is matched with the guide groove 211, the support a21 is provided with a bending portion for fixing the support B22, when the support a21 and the support B22 are connected to generate a downward bending trend due to stress of the support 2, the drop-preventing block 222 abuts against the lower end of the support a21, and the bending portion abuts against the support B22, so that the bending strength between the support a21 and the support B22 is increased to avoid bending the support 2.

Referring to fig. 5, further, in some embodiments, the width of the guiding groove 211 is larger than the diameter of the through hole 4, so that the bolt on the fixing device 3 can directly penetrate the groove and the guiding groove 211, and then the fixing device 3 and the cable are fixed on the bracket a21 through the nut.

Referring to fig. 2, in detail, in some embodiments, at least two fixing portions 231 for fixing the connecting portion 23 to the cable trench 1 are provided on the connecting portion 23, the fixing portions are through holes or through slots for installing bolts, and the connecting portion 23 can be fixedly connected to the inner wall of the cable trench 1 through fixing structures such as bolts or expansion screws.

The working mode is as follows; during operation, the connecting part 23 on the bracket A is fixedly connected with the inner wall of the cable pit 1 through the fixing structures such as bolts or expansion screws, the bracket B22 is pulled outwards, the connecting part 23 on the bracket B22 is contacted with the inner wall of the cable pit 1 and is fixed, the fixing device 3 is sleeved on the outer wall of the cable, the expansion plates 32 on the two sides of the fixing device 3 are provided with bolts, the bolts are inserted into the grooves or the through holes 4, the bolts are fixed through nuts, and the fixing device 3 and the cable are fixed on the bracket A21 or the bracket B22, so that the cable is fixed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a pre-buried fixing device of cable frame for electric power construction, includes cable trench (1), support (2) and fixing device (3), its characterized in that: both ends of the bracket (2) are fixedly connected with the inner wall of the cable pit (1), and the bracket (2) is detachably connected with a fixing device (3) for limiting the cable;

the support (2) comprises a support A (21) and a support B (22), the support B (22) is movably inserted into the support A (21), and connecting parts (23) matched with the cable pit (1) are fixedly arranged at the separated ends of the support B (22) and the support A (21);

the bracket B (22) is provided with a plurality of installation components matched with the fixing device (3), and the installation components consist of at least two through holes (4).

2. The cable rack pre-buried fixing device for electric power construction according to claim 1, wherein: the fixing device (3) is composed of two arc-shaped plates (31), expansion plates (32) are arranged at two ends of each arc-shaped plate (31), and the expansion plates (32) are detachably connected with the through holes (4) through bolts and nuts.

3. The cable rack pre-buried fixing device for electric power construction according to claim 2, wherein: the lower end of the support A (21) is provided with a guide groove (211), and the lower end of the support B (22) is provided with a guide block (221) matched with the guide groove (211).

4. A cable rack pre-buried fixing device for electric power construction according to claim 3, wherein: the lower end of the guide block (221) is fixedly provided with an anti-falling block (222) matched with the guide groove (211), and the bracket A (21) is provided with a bending part for fixing the bracket B (22).

5. The cable rack pre-buried fixing device for electric power construction according to claim 4, wherein: the width of the guide groove (211) is larger than the diameter of the through hole (4).

6. The cable rack pre-buried fixing device for electric power construction according to claim 1, wherein: at least two fixing parts (231) used for fixing the connecting parts (23) on the cable trench (1) are arranged on the connecting parts (23), and the fixing parts are through holes or through grooves used for installing bolts.