CN203951109U - The supporting construction of high-voltgae pothead - Google Patents
The supporting construction of high-voltgae pothead Download PDFInfo
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- CN203951109U CN203951109U CN201420329389.XU CN201420329389U CN203951109U CN 203951109 U CN203951109 U CN 203951109U CN 201420329389 U CN201420329389 U CN 201420329389U CN 203951109 U CN203951109 U CN 203951109U
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 89
- 239000010959 steel Substances 0.000 claims description 89
- 230000005484 gravity Effects 0.000 claims description 11
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- -1 dioxygen phenolic aldehyde Chemical class 0.000 claims description 4
- 239000005340 laminated glass Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model proposes a kind of supporting construction of high-voltgae pothead, belong to the fixing and support field of cable.Described supporting construction comprises three-phase high-voltage cable end, cable and high-tension cable head bracket; Wherein said high-tension cable head bracket is " π " type support, in the left part of top supporting frame, left side cable aperture is set, and at top supporting frame mid portion, intermediate cable hole is set, and divides right side cable aperture is set in top supporting frame right side; Left side high-voltgae pothead in described three-phase high-voltage cable end is mounted to the left part of top supporting frame; Middle high-voltgae pothead in three-phase high-voltage cable end is mounted to the mid portion of top supporting frame; Right side high-voltgae pothead in three-phase high-voltage cable end is mounted to the right side part of top supporting frame; Described cable comprises through the left side cable of left side cable aperture, passes through the intermediate cable line in intermediate cable hole and the right side cable through right side cable aperture.This programme has solved that prior art B-C post is too much, enabling capabilities is poor and the problem such as constant intensity is low, has the plurality of advantages such as the constant intensity that reduces associated materials consumption, improve cable end and respective cable.
Description
Technical field
The utility model belongs to the fixing and support technology field of cable, relates in particular to a kind of supporting construction of high-voltgae pothead.
Background technology
Enter after modern society, the reason such as due to urban land anxiety, traffic pressure is large, appearance of the city construction, big city generally adopts underground cable power transmission mode.Reliably laying of cable, especially cable termination (being cable end) be properly mounted for the important guarantee that it is generally applied.Often size is very large due to its larger creep distance and more complicated insulation level for 66kV and above high-voltgae pothead, generally weighs 200 to hundreds of kilograms, needs independent steel support to support; And consider that 66kV and above cable are generally single-core cable, need to consider to avoid forming the problem of closed magnetic circuit; Also need in addition to consider the problems such as fixing of cable end institute stube cable.
According to the regulation of National Standard of the People's Republic of China's " Code for design of cables of electric works " 6.2.4, cable end supports loading need to count the additional load of people's maintenance, construction and installation and icing, snow, strong wind; According to associated electrical cable end producer data, 66kV and the above single-phase weight of cable end reach more than 200 kilograms at present; As from the foregoing, the required load bearing of cable end support is very large, and it is rational adopting the good steel support of intensity.According to the regulation of National Standard of the People's Republic of China's " Code for design of cables of electric works " 6.1.4,6.1.8 and 6.1.9, in order to meet in power equipment relatively apart from verification, cable end support has certain altitude apart from ground, in the cable aperture of cable by the underground vertical lead-in cable head bottom of support below, therefore the hole of wearing cable need to be left in cable end bottom support position; In addition need to be fixed the vertical-rise cable section before lead-in cable head; Conventionally 66kV and above cable are single-core cable, need to avoid its cable end support and fastening clip for cable tool to form the magnetic circuit of looped cable.
Fig. 1 a-1d shows the solution that prior art adopts.
As shown in Figure 1a, three-phase electricity cable end 101 does respectively an independently pillar, therefore has three pillar 102-104.Because needs are at the reserved cable aperture of frame bottom, so as shown in Figure 1 b, cable end can only be fixed on the position of leaving pillar center certain distance 107, in the lump referring to Fig. 1 d, at this moment may need to increase diagonal brace 112; In addition, as shown in Fig. 1 c, the vertical-rise cable section of lead-in cable head is far away apart from pillar center, and fixed form employing nylon cable tie or rope 108, and constant intensity is not high.110 instruction support earth points.Independently steel plate of 105 two blocks of instructions, avoids forming looped cable closed magnetic circuit.106 indicating arm top boards.109 instruction attached cable channel-section steels, its welding 111 is to pillar.
Known according to the description to prior art above, every group of cable end of existing implementation need to do three supports, comparatively waste; And cable end center of gravity and carriage center be not on a line, and corresponding base will have stronger enabling capabilities, in the time that cable end is enough heavy, may need to add extra diagonal brace, caused again the waste in resource; The vertical-rise cable section of lead-in cable head is far away apart from pillar center, and fixed form employing nylon cable tie or rope, and constant intensity is not high.
Utility model content
The purpose of this utility model is to provide a kind of Novel support structure of high-voltgae pothead, overcomes the above-mentioned problems in the prior art, reduces associated materials consumption as far as possible, improves the constant intensity of cable end and respective cable.
For realizing above object, the utility model proposes a kind of supporting construction of high-voltgae pothead, described supporting construction comprises three-phase high-voltage cable end, cable and high-tension cable head bracket, wherein: described high-tension cable head bracket is " π " type support, comprise two pillars in left and right and the top supporting frame by the level of two shore supports, wherein: the length of described top supporting frame is greater than the spacing of two pillars, with two intersection location that make two pillars and top supporting frame, top supporting frame is divided into left side, centre and right side three parts, in the left part of top supporting frame, left side cable aperture is set, at top supporting frame mid portion, intermediate cable hole is set, divide right side cable aperture is set in top supporting frame right side, and the center line of two pillars in described left and right is perpendicular to ground and be positioned at same plane P, and described left side cable aperture, the center of intermediate cable hole and right side cable aperture is also all positioned at described plane P, left side high-voltgae pothead in described three-phase high-voltage cable end is mounted to the left part of top supporting frame, and the center of gravity line of described left side high-voltgae pothead is through the center of left side cable aperture, middle high-voltgae pothead in three-phase high-voltage cable end is mounted to the mid portion of top supporting frame, and the center of gravity line of described middle high-voltgae pothead is through intermediate cable Kong center, right side high-voltgae pothead in three-phase high-voltage cable end is mounted to the right side part of top supporting frame, and the center of gravity line of described right side high-voltgae pothead is through the center of right side cable aperture, and described cable comprise through left side cable aperture be connected to the left side cable of left side high-voltgae pothead, be connected to through intermediate cable hole in the middle of high-voltgae pothead intermediate cable line and be connected to the right side cable of right side high-voltgae pothead through right side cable aperture.
According to an aspect of the present utility model, two pillar same level positions, left and right are welded with attached cable channel-section steel, described attached cable comprises left side channel-section steel, middle channel-section steel and right side channel-section steel with channel-section steel, wherein, left side channel-section steel is vertically welded in the left side of left pillar, middle channel-section steel and is vertically welded between left pillar and right pillar and right side channel-section steel is vertically welded in the right side of right pillar; Described high-tension cable head bracket also comprises the attached cable band steel anchor ear that is mounted to described attached cable channel-section steel, described attached cable comprises left side band steel anchor ear, middle flat steel hoop and right side band steel anchor ear with band steel anchor ear, and left side band steel anchor ear, middle flat steel hoop and right side band steel anchor ear are mounted to respectively described left side channel-section steel, middle channel-section steel and right side channel-section steel; And described left side cable is fixed on the channel-section steel of left side by left side band steel anchor ear, in the middle of described intermediate cable line is fixed on by middle flat steel hoop on channel-section steel, described right side cable is fixed on the channel-section steel of right side by right side band steel anchor ear.
According to an aspect of the present utility model, described horizontal level is the middle part of two pillars in left and right.
According to an aspect of the present utility model, there is dioxygen phenolic aldehyde laminated glass packing ring with band steel anchor ear and attached cable between with channel-section steel at attached cable.
According to an aspect of the present utility model, the length of the left part of described top supporting frame is identical with the length of the right side part of top supporting frame, the distance of the left pillar of described left side cable aperture centre distance equals the distance of the right pillar of centre distance of right side cable aperture, and the distance of the left pillar of intermediate cable hole centre distance equals the distance of the right pillar of its distance.
According to an aspect of the present utility model, the top of two pillars in left and right is by top supporting frame described in bar top plate supporting, and in top supporting frame, the position of installation high-voltage cable end has two blocks of independently steel plates.
Brief description of the drawings
Fig. 1 a is the schematic diagram of prior art high-tension cable head supporting structure;
Fig. 1 b be described in Fig. 1 a supporting construction along the sectional drawing of A-A direction;
Fig. 1 c be described in Fig. 1 a supporting construction along the sectional drawing of B-B direction;
Fig. 1 d be described in Fig. 1 a supporting construction along the sectional drawing of C-C direction;
Fig. 2 a is according to the schematic diagram of the high-tension cable head supporting structure of an embodiment of the utility model;
Fig. 2 b be described in Fig. 2 a supporting construction along the sectional drawing of 1-1 direction;
Fig. 2 c be described in Fig. 2 a supporting construction along the sectional drawing of 2-2 direction;
Fig. 2 d be described in Fig. 2 a supporting construction along the sectional drawing of 3-3 direction.
Embodiment
The following stated is better embodiment of the present utility model, does not therefore limit protection range of the present utility model.
Referring to Fig. 2 a-2d, wherein, adopt identical Reference numeral with the same or analogous element of Fig. 1 a-1d.In the scheme proposing in the application, for three-phase electricity cable end provides a π type bracing frame, this bracing frame only comprises two pillars, and simultaneously under three-phase electricity cable end, cable aperture is ingenious has avoided two pillars, and cable can enter cable end through reserved cable aperture easily; The center of gravity line of three-phase electricity cable end and its π type carriage center line are positioned at same plane, and such supporting construction is comparatively firm; Cut cable immobilization material has been selected band steel and channel-section steel, and constant intensity is higher, with dioxygen phenolic aldehyde laminated glass packing ring, the two is separated simultaneously, avoids forming closed magnetic circuit.
First referring to Fig. 2 a, the Novel support structure of the high-voltgae pothead the utility model proposes comprises three-phase high-voltage cable end 101, cable 213 and π type bracing frame.Wherein, described π type bracing frame comprises two pillars 201 in left and right and 202 and by the top supporting frame 203 of the level of two shore supports, the length of described top supporting frame is greater than the spacing of two pillars, with two intersection location that make two pillars and top supporting frame, top supporting frame is divided into left side, centre and right side three parts.In the left part of top supporting frame, left side cable aperture 204 is set, mid portion arranges intermediate cable hole 205, and right side is divided right side cable aperture 206 is set.For high-voltgae pothead and cable are firmly supported and are fixed, as shown in Figure 2 b, the center line of two pillars in described left and right is perpendicular to ground and be positioned at same plane P, and the center of described left side cable aperture, intermediate cable hole and right side cable aperture is also all positioned at plane P.Refer again to Fig. 2 a, the left side high-voltgae pothead in three-phase high-voltage cable end is mounted to the left part of top supporting frame, and its center of gravity line 217 is through the center of left side cable aperture; Middle high-voltgae pothead in three-phase high-voltage cable end is mounted to the mid portion of top supporting frame, and its center of gravity line is through intermediate cable Kong center; Right side high-voltgae pothead in three-phase high-voltage cable end is mounted to the right side part of top supporting frame, and its center of gravity line is through the center of right side cable aperture; Described cable comprise through left side cable aperture be connected to the left side cable of left side high-voltgae pothead, be connected to through intermediate cable hole in the middle of high-voltgae pothead intermediate cable line and be connected to the right side cable of right side high-voltgae pothead through right side cable aperture.In Fig. 2 b 212 indicated the installing hole of cable end.
For attached cable, be welded and fixed cable channel-section steel in left and right sidesing pillar same level position, comprise left side channel-section steel 207, middle channel-section steel 208 and right side channel-section steel 209, as shown in Figure 2 a, described horizontal level is between top supporting frame and ground, be preferably the middle part of left and right sidesing pillar, and left side channel-section steel vertical welding 214 is vertically welded between left pillar and right pillar and right side channel-section steel is vertically welded in the right side of right pillar at the left side of left pillar, middle channel-section steel.As shown in Figure 2 c, for attached cable, described π type bracing frame also comprises three of the left, center, rights attached cable band steel anchor ear that is mounted to attached cable channel-section steel, these three band steel anchor ears are mounted to respectively described left side channel-section steel, middle channel-section steel and right side channel-section steel, and as described above, between band steel anchor ear and channel-section steel, use dioxygen phenolic aldehyde laminated glass packing ring 216 that the two is separated.As shown in Fig. 2 a and 2c, left side band steel anchor ear is positioned under the cable aperture of left side, middle flat steel hoop 215 is positioned under intermediate cable hole, right side band steel anchor ear is positioned under the cable aperture of right side.Like this, described left side cable by left side band steel anchor ear be fixed on the channel-section steel of left side, described intermediate cable line be fixed on by middle flat steel hoop in the middle of on channel-section steel, described right side cable is fixed on the channel-section steel of right side by right side band steel anchor ear.
In order to keep balance, according to embodiment of the utility model, the length of the left part of described top supporting frame is identical with the length of right side part, the distance of the left pillar of described left side cable aperture centre distance equals the distance of the right pillar of centre distance of right side cable aperture, and the distance of the left pillar of intermediate cable hole centre distance equals the distance of the right pillar of its distance.
According to embodiment of the utility model, as shown in Figure 2 b, described top supporting frame is supported by masthead plate 210 in left and right sidesing pillar top, and on bracing frame, the position of installing cables head has two blocks of independently steel plates 211, avoids forming cable closed magnetic circuit.
Should note; the embodiment that the utility model proposes and application be the object for illustrating only;, as the restriction to the utility model protection range, those skilled in the art can not modify to meet actual needs to embodiment of the present utility model.
Claims (6)
1. a supporting construction for high-voltgae pothead, is characterized in that:
Described supporting construction comprises three-phase high-voltage cable end, cable and high-tension cable head bracket; Wherein:
Described high-tension cable head bracket is " π " type support, comprise two pillars in left and right and the top supporting frame by the level of two shore supports, wherein: the length of described top supporting frame is greater than the spacing of two pillars, with two intersection location that make two pillars and top supporting frame, top supporting frame is divided into left side, centre and right side three parts, in the left part of top supporting frame, left side cable aperture is set, at top supporting frame mid portion, intermediate cable hole is set, divide right side cable aperture is set in top supporting frame right side, and the center line of two pillars in described left and right is perpendicular to ground and be positioned at same plane P, and described left side cable aperture, the center of intermediate cable hole and right side cable aperture is also all positioned at described plane P,
Left side high-voltgae pothead in described three-phase high-voltage cable end is mounted to the left part of top supporting frame, and the center of gravity line of described left side high-voltgae pothead is through the center of left side cable aperture; Middle high-voltgae pothead in three-phase high-voltage cable end is mounted to the mid portion of top supporting frame, and the center of gravity line of described middle high-voltgae pothead is through intermediate cable Kong center; Right side high-voltgae pothead in three-phase high-voltage cable end is mounted to the right side part of top supporting frame, and the center of gravity line of described right side high-voltgae pothead is through the center of right side cable aperture; And
Described cable comprise through left side cable aperture be connected to the left side cable of left side high-voltgae pothead, be connected to through intermediate cable hole in the middle of high-voltgae pothead intermediate cable line and be connected to the right side cable of right side high-voltgae pothead through right side cable aperture.
2. the supporting construction of high-voltgae pothead according to claim 1, is characterized in that:
Two pillar same level positions, left and right are welded with attached cable channel-section steel, described attached cable comprises left side channel-section steel, middle channel-section steel and right side channel-section steel with channel-section steel, wherein, left side channel-section steel is vertically welded in the left side of left pillar, middle channel-section steel and is vertically welded between left pillar and right pillar and right side channel-section steel is vertically welded in the right side of right pillar;
Described high-tension cable head bracket also comprises the attached cable band steel anchor ear that is mounted to described attached cable channel-section steel, described attached cable comprises left side band steel anchor ear, middle flat steel hoop and right side band steel anchor ear with band steel anchor ear, and left side band steel anchor ear, middle flat steel hoop and right side band steel anchor ear are mounted to respectively described left side channel-section steel, middle channel-section steel and right side channel-section steel; And
Described left side cable is fixed on the channel-section steel of left side by left side band steel anchor ear, in the middle of described intermediate cable line is fixed on by middle flat steel hoop on channel-section steel, described right side cable is fixed on the channel-section steel of right side by right side band steel anchor ear.
3. the supporting construction of high-voltgae pothead according to claim 2, is characterized in that:
Described horizontal level is the middle part of two pillars in left and right.
4. the supporting construction of high-voltgae pothead according to claim 2, is characterized in that:
There is dioxygen phenolic aldehyde laminated glass packing ring with band steel anchor ear and attached cable between with channel-section steel at attached cable.
5. the supporting construction of high-voltgae pothead according to claim 2, is characterized in that:
The length of the left part of described top supporting frame is identical with the length of the right side part of top supporting frame, the distance of the left pillar of described left side cable aperture centre distance equals the distance of the right pillar of centre distance of right side cable aperture, and the distance of the left pillar of intermediate cable hole centre distance equals the distance of the right pillar of its distance.
6. the supporting construction of high-voltgae pothead according to claim 1, is characterized in that:
The top of two pillars in left and right is by top supporting frame described in bar top plate supporting, and in top supporting frame, the position of installation high-voltage cable end has two blocks of independently steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329389.XU CN203951109U (en) | 2014-06-19 | 2014-06-19 | The supporting construction of high-voltgae pothead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329389.XU CN203951109U (en) | 2014-06-19 | 2014-06-19 | The supporting construction of high-voltgae pothead |
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| Publication Number | Publication Date |
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| CN203951109U true CN203951109U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329389.XU Expired - Fee Related CN203951109U (en) | 2014-06-19 | 2014-06-19 | The supporting construction of high-voltgae pothead |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848950A (en) * | 2017-02-28 | 2017-06-13 | 国网北京市电力公司 | Wire support structure |
-
2014
- 2014-06-19 CN CN201420329389.XU patent/CN203951109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848950A (en) * | 2017-02-28 | 2017-06-13 | 国网北京市电力公司 | Wire support structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |