CN216109881U - High-voltage line protection device - Google Patents
High-voltage line protection device Download PDFInfo
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- CN216109881U CN216109881U CN202122674686.0U CN202122674686U CN216109881U CN 216109881 U CN216109881 U CN 216109881U CN 202122674686 U CN202122674686 U CN 202122674686U CN 216109881 U CN216109881 U CN 216109881U
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Abstract
The utility model relates to a high-voltage wire protection device which comprises a support frame and a warning net, wherein the support frame is arranged below a high-voltage wire. The support frame includes first stand, first crossbeam, second stand and second crossbeam, and first crossbeam is used for setting up along the crossing direction with the high-voltage line extending direction to install at first stand. The second upright is arranged on one side of the first upright, which is far away from the first cross beam, and is connected with the first upright through the second cross beam. The warning net is used for being arranged along the extending direction of the high-voltage line and is arranged on the first cross beam, the warning net can conduct height limiting warning on the electric power line protection area height limiting facilities in the construction project construction range, and it is guaranteed that constructors and related facilities keep enough safety distance with the electrified body, and construction safety is guaranteed. First stand, first crossbeam, second stand and second crossbeam are connected and are formed the support frame, and stability is high, and factor of safety is high to can also effectively solve because of span, the high big scheduling problem of the construction degree of difficulty that leads to greatly.
Description
Technical Field
The utility model relates to the technical field of building construction safety protection, in particular to a high-voltage line protection device.
Background
With the rapid development of the building industry, the building land is increasingly in short supply, the construction environment becomes more complex, for example, high-voltage lines are often encountered in the construction process, and large-scale construction equipment is easy to be parallel, crossed and the like with the high-voltage lines, so that potential safety hazards are easy to occur. If the construction safety measures are not in place, the management is not complete, the high-voltage line can be tripped and powered off if the construction safety measures are not in place, and serious safety accidents such as casualties and the like can be caused if the construction safety measures are not complete, so that the construction difficulty and the safety risk are increased.
Aiming at the condition that high-voltage wires exist in the construction operation range, a common protection structure is a steel pipe grounding frame or a moso bamboo support frame. However, when the construction period is long or the required erection height is too high, the safety hazard is easy to occur due to the poor stability of the moso bamboo support frame.
SUMMERY OF THE UTILITY MODEL
Therefore, a high-voltage line protection device is needed, stability is high, safety factor is high, and construction safety is guaranteed.
A high voltage line protection device comprising:
the support frame is arranged below the high-voltage wire; the support frame comprises a first upright post, a first cross beam, a second upright post and a second cross beam, wherein the first cross beam is arranged along the direction intersecting with the extending direction of the high-voltage wire and is arranged on the first upright post; the second upright column is arranged on one side, away from the first cross beam, of the first upright column and is connected with the first upright column through the second cross beam; and
and the warning net is arranged along the extending direction of the high-voltage line and is arranged on the first cross beam.
In one embodiment, a vertical beam is installed at the top of the first upright column, and a first diagonal member is installed between the vertical beam and the first cross beam; and a second inclined pulling piece is arranged between the vertical beam and the second upright column, or a second inclined pulling piece is arranged between the vertical beam and the second cross beam.
In one embodiment, the upright beam and the first cross beam are both located on the same side of the first upright, and the upright beam is detachably mounted on the first upright through a first mounting piece.
In one embodiment, the outer surfaces of the first diagonal draw member and the second diagonal draw member are provided with a first light reflecting layer.
In one embodiment, one end of the first cross beam is provided with a second mounting piece, and the first cross beam is detachably mounted on the first upright post through the second mounting piece; and third mounting parts are arranged at two ends of the second cross beam, and two ends of the second cross beam are detachably mounted on the first stand column and the second stand column respectively through the third mounting parts.
In one embodiment, the first upright column and the second upright column are both concrete upright columns, and a concrete foundation for fixedly connecting with the ground layer is arranged at the bottom of each concrete upright column.
In one embodiment, the support frames are provided with at least two support frames, and the at least two support frames are used for being arranged at intervals along the extending direction of the high-voltage line.
In one embodiment, the fence comprises a fence for being arranged along the extension direction of the high voltage line.
In one embodiment, at least three warning lines are provided, the at least three warning lines are arranged at intervals along a direction intersecting with the extending direction of the high-voltage line, and the interval between two adjacent warning lines is gradually reduced along a direction away from the first upright post.
In one embodiment, the warning line is an all-dielectric self-supporting optical cable; and a second reflective layer is arranged on the outer surface of the warning line.
The high-voltage wire protection device is suitable for protecting the high-voltage wire below 500 kV. Specifically, a support frame is arranged below the high-voltage line, and a first upright post and a second upright post in the support frame are height-limiting upright posts; the first beam is provided with the warning net arranged along the extension direction of the high-voltage line, the warning net can perform height limit warning on the power line protection area height limit facilities in the construction project construction range, and it is ensured that constructors and related facilities keep enough safety distance with charged bodies, and construction safety is ensured. In addition, first stand, first crossbeam, second stand and second crossbeam are connected and are formed the support frame, and stability is high, and factor of safety is high to can also effectively solve because of the span, highly big scheduling problem that the construction degree of difficulty that leads to is big. In addition, the high-voltage line protection has small requirements on the construction space range.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high voltage line protection device according to an embodiment of the present invention;
fig. 2 is a top view of the high voltage wire guard shown in fig. 1.
Reference numerals: 10. a support frame; 11. a first upright post; 111. erecting a beam; 12. a first cross member; 13. a second upright post; 14. a second cross member; 15. a first diagonal member; 16. a second diagonal draw member; 17. a first mounting member; 18. a second mount; 19. a third mount; 20. a warning net; 21. a warning line; 30. a concrete foundation; 40. a high-voltage line; 50. high voltage electric tower.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1 and 2, a high voltage line protection device according to an embodiment of the present invention includes a support frame 10 and a warning net 20, wherein the support frame 10 is configured to be disposed below a high voltage line 40. The support frame 10 includes a first upright 11, a first beam 12, a second upright 13 and a second beam 14, wherein the first beam 12 is arranged along a direction intersecting with the extending direction of the high-voltage line 40 and is installed on the first upright 11. The second upright 13 is disposed on a side of the first upright 11 away from the first beam 12, and is connected to the first upright 11 through the second beam 14. The guard net 20 is arranged along the extending direction of the high-voltage line 40 and is installed on the first beam 12.
It should be noted that, referring to fig. 2, the interval L between the first pillar 11 and the second pillar 13 in the direction intersecting the extending direction of the high-voltage line 40 is set1The setting can be carried out according to the actual situation of the field, and is not particularly limited herein. In the present embodiment, the interval L between the first pillar 11 and the second pillar 13 in the direction intersecting the extending direction of the high-voltage wire 401Is 2 m.
The high-voltage wire protection device is suitable for protecting the high-voltage wire 40 below 500 kV. Specifically, a support frame 10 is arranged below the high-voltage line 40, and a first upright post 11 and a second upright post 13 in the support frame 10 are height-limiting upright posts; the guard net 20 arranged along the extending direction of the high-voltage line 40 is arranged on the first cross beam 12, and the guard net 20 can perform height limit warning on the power line protection area height limit facilities in the construction range of the project under construction, so that the construction personnel and related facilities can be ensured to keep a sufficient safety distance with the electrified body, and the construction safety is ensured. In addition, first stand 11, first crossbeam 12, second stand 13 and second crossbeam 14 are connected and are formed support frame 10, and stability is high, and factor of safety is high to can also effectively solve because of the span, highly big scheduling problem of the construction degree of difficulty that leads to greatly. In addition, the protection of the high-voltage line 40 requires a small construction space.
In the present embodiment, referring to fig. 1 and 2, the first vertical column 11 is located right below the high-voltage line 40 and is spaced apart from the second vertical column 13 in a direction intersecting the high-voltage line 40, for example, the first vertical column 11 and the second vertical column 13 are spaced apart in a direction perpendicular to the high-voltage line 40.
Further, referring to fig. 2, at least two support frames 10 are provided, and at least two support frames 10 are arranged below the high voltage line 40 at intervals along the extending direction of the high voltage line 40. Therefore, the warning net 20 can be better supported, the excessive sag of the warning net 20 is ensured, and the warning net 20 can carry out height limit warning on the power line protection area height limit facilities in the construction range of the under-construction project.
It should be noted that, referring to fig. 2, the interval L between two adjacent supporting frames 10 along the extending direction of the high voltage line 402Can be based on the actual situation on siteThe arrangement is not particularly limited herein. In the present embodiment, the interval L between two adjacent support frames 10 along the extending direction of the high voltage line 402Is 20 m.
In one embodiment, referring to fig. 1, a vertical beam 111 is installed at the top of the first vertical column 11, and a first diagonal member 15 is installed between the vertical beam 111 and the first cross beam 12; a second diagonal member 16 is installed between the vertical beam 111 and the second upright column 13, or a second diagonal member 16 is installed between the vertical beam 111 and the second cross beam 14. Specifically, the tops of the vertical beams 111 are higher than the tops of the first cross beam 12 and the second vertical column 13. So, first diagonal member 15 and second diagonal member 16 can support first crossbeam 12 and second stand 13 or second crossbeam 14 to one side, can strengthen the transverse rigidity of support frame 10 like this, improve the stability of support frame 10, and then improve this high-tension line protector's factor of safety.
Optionally, the vertical beam 111 is a galvanized steel pipe with a diameter of 90 mm. Of course, in other embodiments, the upright beam 111 may be a support made of other materials.
It should be noted that, referring to fig. 1, the distance h between the top of the upright beam 111 and the high-voltage line 40 in the height direction is determined according to the transmission voltage of the high-voltage line 40. Specifically, if the transmission voltage of the high-voltage line 40 is 35kV to 110kV, h is 5 m; if the transmission voltage of the high-voltage line 40 is 220kV to 330kV, h is 6 m; if the transmission voltage of the high-voltage line 40 is 500kV, h is 8.5 m.
The first diagonal member 15 and the second diagonal member 16 may be an integral structure or a separate structure. In this embodiment, the first diagonal member 15 and the second diagonal member 16 are a steel wire rope, the middle portion of the steel wire rope is fixed to the upright beam 111, two ends of the steel wire rope respectively pass through the through holes of the first cross beam 12 and the second upright column 13 and then are folded back, and the folded steel wire rope is fixed by a rope clamp. The number of rope clamps is determined according to the diameter of the steel wire rope, for example, in this embodiment, the number of rope clamps required for each steel wire rope is 3.
In addition, the specification parameters of the first diagonal drawing member 15 and the second diagonal drawing member 16 can be set according to actual conditions in the field, and are not particularly limited herein. In this embodiment, the first diagonal member 15 and the second diagonal member 16 are both steel cables with 6 × 19 diameter of 6.2 mm; wherein 6 by 19 means that there are 6 strands of steel cord, each strand having 19 steel cords.
Further, referring to fig. 1 and 2, the upright beam 111 and the first cross beam 12 are both located on the same side of the first upright post 11, and the upright beam 111 is detachably mounted on the first upright post 11 through a first mounting member 17. Optionally, the first mounting 17 is a hoop, a bolt, or the like. In this way, the upright beam 111 and the first cross beam 12 are disposed on the same side of the first upright column 11, so that the upright beam 111 can better achieve a supporting effect, and the stability of the support frame 10 is improved. In addition, the vertical beam 111 is detachably mounted on the first upright post 11 through the first mounting piece 17, so that the assembly and disassembly are convenient, and the assembly and disassembly efficiency is improved; meanwhile, the maintenance and replacement are convenient, and the use cost is reduced.
In this embodiment, the upright beam 111 is a galvanized steel pipe with a diameter of 90mm, and the first mounting member 17 is a double-semicircle hot-dip galvanized flat steel hoop.
Further, the outer surfaces of the first diagonal drawing member 15 and the second diagonal drawing member 16 are provided with a first light reflecting layer. Therefore, the first reflective layer reflects ambient light at night to play a certain warning role and improve the safety of the high-voltage wire protection device.
In this embodiment, the first reflective layer is a yellow-black reflective stripe. Of course, the first light reflecting layer may be other types of light reflecting layers, and is not limited thereto.
In one embodiment, referring to fig. 1, a second mounting member 18 is provided at one end of the first beam 12 and is detachably mounted to the first upright 11 via the second mounting member 18. Optionally, the second mount 18 is a hoop, snap, or the like. Therefore, the first cross beam 12 is detachably mounted on the first upright post 11 through the second mounting part 18, so that the assembly and disassembly are convenient, and the assembly and disassembly efficiency is improved; meanwhile, the maintenance, the replacement and the like are convenient, and the use cost is reduced.
In this embodiment, the first beam 12 is a galvanized steel pipe with a diameter of 90mm, and the second mounting member 18 is a double-semicircle galvanized flat steel hoop.
In one embodiment, referring to fig. 1, both ends of the second beam 14 are provided with third mounting parts 19, and both ends of the second beam 14 are detachably mounted on the first upright post 11 and the second upright post 13 respectively through the third mounting parts 19. Optionally, the third mount 19 is a hoop, a snap, or the like. Therefore, two ends of the second cross beam 14 are detachably mounted on the first upright post 11 and the second upright post 13 through the third mounting pieces 19 respectively, so that the assembly and disassembly are convenient, and the assembly and disassembly efficiency is improved; meanwhile, the maintenance, the replacement and the like are convenient, and the use cost is reduced.
In this embodiment, the second beam 14 is a galvanized steel pipe with a diameter of 90mm, and the third mounting member 19 is a double-semicircle galvanized flat steel hoop.
In one embodiment, referring to fig. 1, the first upright 11 and the second upright 13 are concrete uprights, and the bottoms of the concrete uprights are used for being fixed on the ground layer through concrete foundations 30. During installation, a safe distance control line of the high-voltage line 40 is determined according to the projection of the high-voltage line 40, a total station is used for positioning, and installation positions of the first upright post 11 and the second upright post 13 are drawn. A hole with a certain hole diameter and depth is drilled by adopting a drilling machine, the embedding depth is determined according to the material, height and soil condition of the first upright post 11 and the second upright post 13, but the embedding depth of the first upright post 11 and the second upright post 13 is not less than 1/6 of the height of the first upright post and the second upright post, so that the first upright post and the second upright post can bear loads such as wind, ice and the like under normal conditions. After the first upright post 11 and the second upright post 13 are embedded into the holes, the gaps among the first upright post 11, the second upright post 13 and the hole walls are filled with concrete not less than C25, and the concrete foundation 30 is formed. So, guarantee support frame 10's stability, improve high-voltage line protector's factor of safety.
In the embodiment, the first upright post 11 and the second upright post 13 are tapered concrete electric poles, the tip diameter of each tapered concrete electric pole is 190mm, the root diameter of each tapered concrete electric pole is 310mm, and the wall thickness of each tapered concrete electric pole is 50 mm; the bore diameter of the bore hole was 400mm and the depth was 3 m.
In one embodiment, referring to fig. 2, the guard net 20 includes a guard wire 21, and the guard wire 21 is configured to be disposed along the extending direction of the high voltage line 40 and fixed to the first beam 12. Specifically, the guard line 21 is detachably mounted to the first beam 12 using a connector; wherein, the connecting piece can be a clamp and the like.
During installation, the warning line 21 is laid out manually, the line needs to be tightened as soon as possible after the laying is finished, over-traction needs to be paid attention to during line tightening, and the over-traction length is smaller than 200 mm. The sag is observed by adopting a sag plate, and the warning line 21 is consistent with the sag of the conducting wire in principle. The warning line 21 is lifted out of the pulley wheel groove through the line lifter, the hand chain block and the clamp are used for approaching the anchor at the two ends of the high-voltage tower 50, and the sag is adjusted. Then, the special ground wire of the guard line 21 is connected to the high-voltage tower 50 in time. Wherein, during the installation process, the bending radius of the warning line 21 is not less than 300 mm. The high-voltage power tower 50 is used for transporting the high-voltage line 40 in a construction field.
Optionally, the guard line 21 is an all-dielectric self-supporting optical cable (ADSS optical cable). The full-dielectric self-supporting optical cable adopts the physical properties of the anti-fiber material with high tensile strength and the smaller thermal expansion coefficient of the optical cable due to the full-insulation structure, can exert the advantages of high voltage resistance, good electrical corrosion resistance, lightning protection, strong low temperature resistance and the like in a high-voltage wire protection device, and effectively reduces the construction difficulty. It should be noted that the number of cells of the all-dielectric self-supporting optical cable may be set according to actual situations in the field, for example, in this embodiment, the warning line 21 is a 24-core all-dielectric self-supporting optical cable.
Further, at least three warning lines 21 are provided, and the interval between two adjacent warning lines 21 gradually decreases along the direction away from the first upright post 11. Therefore, the warning effect of height limitation is achieved, the using amount of the warning line 21 can be reduced, the construction efficiency is improved, and the cost is saved.
In this embodiment, referring to fig. 2, three warning lines 21 are provided, and the interval L between two adjacent warning lines 21 close to the first upright post 11 is equal to the interval L between two adjacent warning lines 213Is greater than the interval L between two adjacent warning lines 21 far away from the first upright post 114. In particular, L3＞L4. In addition, L is3And L4Can be set according to the actual situation in the field, e.g. L3＝0.5m，L4＝0.2m。
Further, a second reflective layer is disposed on the outer surface of the warning line 21. Therefore, the second reflective layer reflects ambient light at night to play a certain warning role and improve the safety of the high-voltage wire protection device.
Optionally, the guard lines 21 are wrapped with a second reflective layer on the outer surface thereof at preset intervals. The preset distance and the type of the second reflective layer may be set according to actual conditions in the field, and are not specifically limited herein. In this embodiment, the outer surface of the guard line 21 is coated with red and white reflective stripes every 1 m.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A high voltage line protection device, comprising:
the support frame is arranged below the high-voltage wire; the support frame comprises a first upright post, a first cross beam, a second upright post and a second cross beam, wherein the first cross beam is arranged along the direction intersecting with the extending direction of the high-voltage wire and is arranged on the first upright post; the second upright column is arranged on one side, away from the first cross beam, of the first upright column and is connected with the first upright column through the second cross beam; and
and the warning net is arranged along the extending direction of the high-voltage line and is arranged on the first cross beam.
2. The high-voltage wire protection device as claimed in claim 1, wherein a vertical beam is installed at the top of the first vertical column, and a first diagonal member is installed between the vertical beam and the first cross beam; and a second inclined pulling piece is arranged between the vertical beam and the second upright column, or a second inclined pulling piece is arranged between the vertical beam and the second cross beam.
3. The high voltage wire protection device of claim 2, wherein the upright beam and the first cross beam are both located on the same side of the first column, and the upright beam is detachably mounted to the first column by a first mounting member.
4. The high voltage wire protection device as claimed in claim 2, wherein the outer surfaces of the first and second diagonal members are each provided with a first light reflecting layer.
5. The high voltage wire protection device of claim 1, wherein the first beam is provided at one end with a second mounting member and is detachably mounted to the first column by the second mounting member;
and third mounting parts are arranged at two ends of the second cross beam, and two ends of the second cross beam are detachably mounted on the first stand column and the second stand column respectively through the third mounting parts.
6. The high-voltage wire protection device according to claim 1, wherein the first upright column and the second upright column are concrete upright columns, and a concrete foundation fixedly connected with the ground layer is arranged at the bottom of each concrete upright column.
7. The high voltage wire protection device according to claim 1, wherein at least two support frames are provided, at least two support frames being arranged at intervals along the extension direction of the high voltage wire.
8. The high voltage wire protector according to any of claims 1 to 7, wherein the fence comprises a fence wire for being arranged in the direction of extension of the high voltage wire and being mounted to the first beam.
9. The high voltage wire protection device according to claim 8, wherein there are at least three said warning lines, at least three said warning lines are arranged at intervals along a direction intersecting with an extending direction of said high voltage wire, and an interval between two adjacent said warning lines is gradually decreased along a direction away from said first pillar.
10. The high voltage wire protection device according to claim 8, wherein the guard wire is an all-dielectric self-supporting optical cable; and a second reflective layer is arranged on the outer surface of the warning line.
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| CN202122674686.0U CN216109881U (en) | 2021-11-03 | 2021-11-03 | High-voltage line protection device |
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| CN202122674686.0U CN216109881U (en) | 2021-11-03 | 2021-11-03 | High-voltage line protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114808794A (en) * | 2022-04-18 | 2022-07-29 | 广州市盾建建设有限公司 | High-voltage line protection support system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114808794A (en) * | 2022-04-18 | 2022-07-29 | 广州市盾建建设有限公司 | High-voltage line protection support system |
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