CN221126554U - GIS cable terminal tail pipe lower part cable fixing ladder frame - Google Patents
GIS cable terminal tail pipe lower part cable fixing ladder frame Download PDFInfo
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- CN221126554U CN221126554U CN202322711032.XU CN202322711032U CN221126554U CN 221126554 U CN221126554 U CN 221126554U CN 202322711032 U CN202322711032 U CN 202322711032U CN 221126554 U CN221126554 U CN 221126554U
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- ladder frame
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000009191 jumping Effects 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the matched installation and fixation of GIS combined electrical equipment in a transformer substation in the power industry, and particularly provides a cable fixing ladder frame at the lower part of a tail pipe of a GIS cable terminal, which comprises two vertically arranged ladder frame vertical beams, wherein the upper end and the lower end of each ladder frame vertical beam are respectively provided with a bracket connecting plate; a group of ladder frame cross beams are transversely connected between the two ladder frame vertical beams; a group of angle steels are longitudinally connected between the two ladder frame crossbeams; and a three-core cable clamp. According to the utility model, the ladder frame is fixed by adopting a four-point fixing mode at the upper end and the lower end, and the ladder frame vertical material is used as a stand column transverse material to serve as a bracket and a cable clamp to be combined and fixed with a cable at the lower part of the GIS combined electrical equipment. The self-gravity and the electric power of the cable are all counteracted by the ladder frame after the cable is fixed, so that the safe operation of the equipment is ensured, the power supply reliability is improved, the operation pressure of an operation and maintenance unit is reduced, and good economic benefit and social benefit are obtained.
Description
Technical Field
The utility model belongs to the technical field of supporting installation and fixation of GIS combined electrical equipment in a transformer substation in the power industry, and particularly provides a cable fixing ladder frame at the lower part of a tail pipe of a GIS cable terminal.
Background
With the high-speed development of Chinese economy, urban land resources are more and more precious, and outdoor substations with larger occupied areas in urban core areas gradually exit from a historical stage, and instead, the outdoor substations with smaller occupied areas adopt GIS combined electrical appliances. At present, the lower part of the GIS combined electrical apparatus and a line cable are fixed by adopting a single angle steel to laterally support the upper opening part to serve as a cable bracket to be matched with a cable clamp for fixing the cable. The mode is a single-point fixing mode, the fixation is not firm, and the cable hanging GIS equipment at the lower end of the leading port bears the gravity of the hanging cable and the electric power of line operation. The GIS equipment is easily damaged due to creep of the electric power jumping cable which is frequently caused by load change when the GIS equipment operates for a long time according to the feedback of the operation and maintenance unit. At present, the GIS type full indoor transformer substation is popularized to improve the urban power supply reliability, and the problem that the GIS combined electrical equipment is fixed with the leading-up connection part of the cable line is solved.
According to the utility model, the ladder frame is connected and arranged at the upper opening part of the lower end of the GIS combined electrical equipment and four points on the ground, and the upper cable is fixed on the inner side of the ladder frame by adopting the cable clamp to firmly fix the cable. The problem that GIS combined electrical equipment bears the gravity of a lead cable and the electrodynamic force of the load periodic variation for a long time is solved. The utility model has good development prospect and huge economic and social benefits.
Disclosure of utility model
In view of the above problems, the utility model provides a cable fixing ladder frame at the lower part of a tail pipe of a GIS cable terminal, which comprises two vertically arranged ladder frame vertical beams, wherein the upper end and the lower end of each ladder frame vertical beam are respectively provided with a bracket connecting plate; a group of ladder frame cross beams are transversely connected between the two ladder frame vertical beams; a group of angle steels are longitudinally connected between the two ladder frame crossbeams; the three-core cable clamp is characterized by further comprising a three-core cable clamp, wherein two ends of the three-core cable clamp are respectively fixed on a group of angle steels through bolts.
Furthermore, the vertical beams of the ladder frame are of channel steel structures, and a plurality of mounting holes with different heights are formed in the surfaces of the vertical beams of the ladder frame.
Further, the three-core cable clamp is provided with a plurality of three-core cable clamps along the laying direction of the cable.
Further, the litigation three-core cable clamp comprises three independent anchor ear units, and the three anchor ear units are detachably connected together through bolts to form a triangular arrangement.
Further, a group of angle steel is detachably fixed on a group of ladder frame cross beams through bolts, and a plurality of mounting holes are transversely formed in the ladder frame cross beams.
Furthermore, two ends of a group of ladder frame cross beams are detachably fixed on the ladder frame vertical beams through bolts.
The utility model has the advantages that: the original suspended cable load change electromotive force is effectively dispersed to the vertical beams of the ladder frame by adopting the four-point vertical beams of the ladder frame for fixation. The ladder frame is adopted to fix the cable, so that the weight of the cable is uniformly dispersed to the fixed point, and the bottom fixed pressure of the equipment is effectively reduced. The cable fixing clamp is adopted for vertical fixing, so that the integrity of the ladder frame is enhanced, and creep pressure of the outer metal sheath of the cable at the tail end is reduced. The three-phase leading-up cable has good integrity. The ladder frame can be adjusted in height and width according to the heights of cable interlayers (cable tunnels) with different voltage levels and the positions of holes at the lower part of the equipment, and the ladder frame is convenient to install, practical and high in applicability. The special connecting piece can be customized according to the requirements of different cable sections, and the GIS combined electrical equipment is led to be fixed by cables with various types of sections and voltage grades. The position of the cross beam of the ladder frame can be adjusted, and the position of the angle steel is vertically installed. The GIS equipment is suitable for GIS equipment of various models.
Drawings
FIG. 1 is a front view of a cable fixing ladder at the lower part of a tail pipe of a GIS cable terminal;
FIG. 2 is a schematic installation view of a cable fixing ladder frame at the lower part of a tail pipe of a GIS cable terminal;
FIG. 3 is a top view of a cable fixing ladder at the lower part of a tail pipe of a GIS cable terminal;
Wherein, the bracket connecting plate 1 is installed; a ladder frame vertical beam 2; a ladder frame cross beam 3; fixing angle steel 4 vertically; a cable fixing clamp 5; and a cable 6.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
At present, the lower part of the GIS combined electrical apparatus is fixed with a line cable 6 by adopting a single angle steel 4 to laterally support at the leading-up opening part to serve as a cable bracket to be matched with a cable clamp 5 for fixing the cable. The mode is a single-point fixing mode, the fixation is not firm, and the cable hanging GIS equipment at the lower end of the leading port bears the gravity of the hanging cable and the electric power of line operation. The GIS equipment is easily damaged due to creep of the electric power jumping cable which is frequently caused by load change when the GIS equipment operates for a long time according to the feedback of the operation and maintenance unit. The utility model aims to provide a solution to the problem of fixing power cables and GIS combined electrical equipment, which is applicable to various voltage levels and various sections. According to the utility model, the ladder frame is fixed by adopting a four-point fixing mode at the upper end and the lower end, and the ladder frame vertical material is used as a stand column transverse material to serve as a bracket to be combined with the cable clamp 5 to fix the cable at the lower part of the GIS combined electrical equipment. The self-gravity and the electric power of the cable are all counteracted by the ladder frame after the cable is fixed, so that the safe operation of the equipment is ensured, the power supply reliability is improved, the operation pressure of an operation and maintenance unit is reduced, and good economic benefit and social benefit are obtained.
Referring to fig. 1-3, the utility model provides a cable fixing ladder frame at the lower part of a tail pipe of a GIS cable terminal, which comprises two vertically arranged ladder frame vertical beams 2, wherein the upper end and the lower end of each ladder frame vertical beam 2 are respectively provided with a bracket connecting plate 1; a group of ladder frame cross beams 3 are transversely connected between the two ladder frame vertical beams 2; a group of angle steels 4 are longitudinally connected between the two ladder frame cross beams 3; the three-core cable clamp device further comprises a three-core cable clamp 5, and two ends of the clamp 5 are respectively fixed on a group of vertical fixing angle steels 4 through bolts.
As an improvement of the scheme, the vertical beams 2 of the ladder frame are of channel steel structures, and a plurality of mounting holes with different heights are formed in the surfaces of the vertical beams.
As an improvement of the scheme, the three-core cable fixture 5 is provided with a plurality of three-core cable fixtures along the laying direction of the cable.
As an improvement of the scheme, the litigation three-core cable clamp 5 comprises three independent anchor ear units which are detachably connected together through bolts to form a triangular arrangement.
As an improvement of the scheme, a group of angle steels 4 are detachably fixed on a group of ladder frame cross beams 3 through bolts, and a plurality of mounting holes are transversely arranged on the ladder frame cross beams 3.
As an improvement of the scheme, two ends of a group of ladder frame cross beams 3 are detachably fixed on the ladder frame vertical beams 2 through bolts.
And determining the height of the vertical beam 2 of the ladder frame according to the height of the mounting position, forming holes on a top plate and a chassis of the interlayer (tunnel) according to the hole positions of the connecting plate 1, mounting expansion bolts to fix the vertical beam 2 of the ladder frame and mounting the ladder frame to be grounded. And installing and fixing the ladder frame cross beam 3 by bolts according to the reserved hole sites. And a vertical fixed angle steel 4 is arranged at the position of the ladder frame beam 3, the vertical fixed angle steel is matched with the base of the cable three-core clamp 5 to be fixed, and the installation is conducted on the upper part of the cable installation cable clamp 5 to complete the whole ladder frame fixed installation work.
When the GIS combined electrical equipment is required to be led on a cable to be installed and fixed on a ladder frame, the height and the direction of a proper ladder frame vertical beam 2 are determined according to the height of an interlayer (a cable tunnel) at the installation position and the size of a hole at the lower part of the equipment as shown in fig. 1, 2 and 3. The installation support connecting plate 1 and the installation ladder frame vertical beam 2 are arranged, and the expansion bolts are used for fixing the support connecting plate 1 and the ladder frame grounding flat steel. According to reserving hole positions, a ladder frame beam 3 is installed, vertical fixed angle steel 4 is installed at the position of the ladder frame beam 3, a three-core cable clamp 5 is installed at the position of the vertical angle steel 4, and then a cable is fixed in the three-core cable clamp 5, and a fastening nut is adjusted to finish installation.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides a fixed ladder frame of GIS cable termination tail pipe lower part cable which characterized in that: the device comprises two vertically arranged ladder frame vertical beams, wherein the upper end and the lower end of each ladder frame vertical beam are respectively provided with a bracket connecting plate; a group of ladder frame cross beams are transversely connected between the two ladder frame vertical beams; a group of angle steels are longitudinally connected between the two ladder frame crossbeams; the three-core cable clamp is characterized by further comprising a three-core cable clamp, wherein two ends of the three-core cable clamp are respectively fixed on a group of angle steels through bolts.
2. A GIS cable termination tailpipe lower cable fixing ladder as defined in claim 1, wherein: the vertical beam of the ladder frame is of a channel steel structure, and a plurality of mounting holes with different heights are formed in the surface of the vertical beam of the ladder frame.
3. A GIS cable termination tailpipe lower cable fixing ladder as defined in claim 1, wherein: the three-core cable clamp is provided with a plurality of three-core cable clamps along the laying direction of the cable.
4. A GIS cable termination tailpipe lower cable fixing ladder as defined in claim 1, wherein: the three-core cable clamp comprises three independent anchor ear units, wherein the three anchor ear units are detachably connected together through bolts to form triangular arrangement.
5. A GIS cable termination tailpipe lower cable fixing ladder as defined in claim 1, wherein: the group of angle steels are detachably fixed on the group of ladder frame cross beams through bolts, and a plurality of mounting holes are transversely formed in the ladder frame cross beams.
6. A GIS cable termination tailpipe lower cable fixing ladder as defined in claim 1, wherein: two ends of a group of ladder frame cross beams are detachably fixed on the ladder frame vertical beams through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711032.XU CN221126554U (en) | 2023-10-10 | 2023-10-10 | GIS cable terminal tail pipe lower part cable fixing ladder frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711032.XU CN221126554U (en) | 2023-10-10 | 2023-10-10 | GIS cable terminal tail pipe lower part cable fixing ladder frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221126554U true CN221126554U (en) | 2024-06-11 |
Family
ID=91343115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322711032.XU Active CN221126554U (en) | 2023-10-10 | 2023-10-10 | GIS cable terminal tail pipe lower part cable fixing ladder frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221126554U (en) |
-
2023
- 2023-10-10 CN CN202322711032.XU patent/CN221126554U/en active Active
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