CN203674560U - Pole tower - Google Patents
Pole tower Download PDFInfo
- Publication number
- CN203674560U CN203674560U CN201320800756.5U CN201320800756U CN203674560U CN 203674560 U CN203674560 U CN 203674560U CN 201320800756 U CN201320800756 U CN 201320800756U CN 203674560 U CN203674560 U CN 203674560U
- Authority
- CN
- China
- Prior art keywords
- shaft tower
- gold utensil
- lightning arrester
- valve block
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004593 Epoxy Substances 0.000 claims abstract description 28
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 38
- 239000010931 gold Substances 0.000 claims description 38
- 229910052737 gold Inorganic materials 0.000 claims description 38
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 239000008393 encapsulating agent Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000260 silastic Polymers 0.000 claims description 3
- 239000012212 insulator Substances 0.000 abstract description 15
- 230000001681 protective effect Effects 0.000 abstract 4
- 239000003566 sealing material Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Abstract
The utility model discloses a pole tower including a pole tower body, a lead and a lightning arrester. The lightning arrester comprises an epoxy core rod, a silicon rubber protective sleeve, an insulating tube sleeve, an upper electrode, a lower electrode, a valve sheet assembly, and sealing material. A lead side fitting and a pole tower side fitting are crimped onto two ends of the epoxy core rod. The silicon rubber protective sleeve and the insulating tube sleeve the epoxy core rod. A protective sleeve umbrella group is arranged on the outer wall of the insulating tube. The upper electrode and the lower electrode are arranged inside the insulating tube. Preset space is arranged between the upper and the lower electrodes to maintain a certain discharge gap. The lower electrode is connected to the lead side fitting. The valve sheet assembly is formed by connecting a plurality of annular valve sheet one by one in series with a voltage gradient greater than 250 V/mm. The valve sheet assembly is located in the insulating tube and sleeves the silicon rubber protective sleeve. Two ends of the valve sheet assembly are connected to the upper electrode and the pole tower side fitting respectively. The sealing material is poured into gaps between the annular valve sheets, the epoxy core rod and the insulating tube. Supporting, fixing and lightning arresting of the pole tower are achieved by means of the lightning arrester. Insulators are reduced, so that the total weight of functional parts in a line is decreased, and pole tower line facilities are simplified.
Description
Technical field
The utility model relates to field of overhead power transmission lines, particularly a kind of shaft tower.
Background technology
Shaft tower is one of basic equipment in overhead distribution, is the supporting construction that is used for supporting power transmission line in overhead transmission line.Shaft tower generally comprises shaft tower main body, insulator, wire and redirect insulator string etc., and the circuit elements such as insulator, wire and redirect insulator string are all arranged in shaft tower main body.Wherein, insulator is a kind of special insulation control, plays the effect of supporting fixing power transmission line and increasing creepage distance in shaft tower, is conventionally made up of glass or pottery.On some shaft towers, be also provided with lightning arrester, lightning arrester is a kind of electrical installation, can discharge thunder and lightning or hold concurrently to discharge power system operation overvoltage energy, and protection electrical equipment is avoided instantaneous overvoltage harm, can block again afterflow, unlikelyly causes system earth short circuit.Lightning arrester is connected between live wire and the earth conventionally, in parallel with protected equipment.In the time that overvoltage value reaches the operation voltage of regulation, lightning arrester moves immediately, flows through electric charge, and over-voltage amplitude is protected apparatus insulated; After magnitude of voltage is normal, lightning arrester restores to the original state rapidly again, to ensure system normal power supply.
At present, the insulator on shaft tower and lightning arrester are in parallel use, but this method not only gains in weight on the line, make line facility complicated, and extremely inconvenience is installed.
Therefore, how reducing the weight of functional part in circuit, simplify shaft tower line facility, simplify installment work, is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of shaft tower, in this shaft tower, just can be realized and be supported fixing cord and lightning-arrest dual-use function by lightning arrester, has reduced the installment work of insulator, thereby reduce the total weight of functional part in circuit, simplified shaft tower line facility and installment work.
For achieving the above object, the utility model provides following technical scheme:
A kind of shaft tower, comprises shaft tower main body, wire and lightning arrester, and described lightning arrester one end and described shaft tower main body are connected, and the other end overlaps described wire, and described lightning arrester comprises:
Epoxy plug;
Be used for the shaft tower side gold utensil being connected with described shaft tower main body;
For connecting the side of wire was gold utensil of described wire, described side of wire was gold utensil and described shaft tower side gold utensil are crimped on respectively the two ends of described epoxy plug;
Be sheathed on the silicone rubber jacket on described epoxy plug;
Be sheathed on the insulating cylinder on described epoxy plug, described insulating cylinder outer wall is provided with sheath cluster parachute;
Be arranged at the top electrode in described insulating cylinder;
Be arranged at the bottom electrode in described insulating cylinder, be provided with pre-set space to keep certain discharging gap between described bottom electrode and described top electrode, described bottom electrode is connected with described side of wire was gold utensil;
Valve block assembly, the annular valve block that described valve block assembly is greater than 250V/mm by multiple voltage gradients is followed in series to form, be positioned at described insulating cylinder and be sheathed on described silicone rubber jacket, one end of described valve block assembly is connected with described top electrode, and the other end and described shaft tower side gold utensil are connected;
Be poured into the encapsulant in gap between described annular valve block, described epoxy plug and described insulating cylinder.
Preferably, in above-mentioned shaft tower, described epoxy plug is glass fibre leading-drawing rod.
Preferably, in above-mentioned shaft tower, described shaft tower side gold utensil is bulb or ball-and-socket.
Preferably, in above-mentioned shaft tower, on described shaft tower side gold utensil, be arranged with the flange for being connected with described valve block assembly one end, between described flange and described valve block assembly, be provided with hermetically-sealed construction and for discharging the release structure for pressure of described lightning arrester internal pressure.
Preferably, in above-mentioned shaft tower, described flange and described shaft tower side gold utensil are integral type structure.
Preferably, in above-mentioned shaft tower, described release structure for pressure is spring.
Preferably, in above-mentioned shaft tower, described encapsulant is silastic material.
Can find out from technique scheme, in the shaft tower that the utility model provides, the tensile load of mainly bearing wire by the epoxy plug at lightning arrester center, the structures such as valve block assembly not only have lightning-arrest function, and do not affect the stressed of epoxy plug.In actual use, the overall structure height of above-mentioned lightning arrester is suitable with the common insulator string of 110kV, when application, can conveniently replace existing line insulator, really accomplishes to replace the function of insulator of the prior art and lightning arrester.In addition, the body of common arrester with gaps and inter space device (inter space device is equivalent to top electrode and the bottom electrode in the utility model) are split-type structurals, and clearance electrode is positioned at outside, and clearance electrode (top electrode and bottom electrode) in lightning arrester in the shaft tower that the utility model provides is placed in insulating cylinder, thereby make device appearance succinctly neat, be convenient to transport and install.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The partial structurtes schematic diagram of the shaft tower that Fig. 1 provides for the utility model embodiment;
The internal structure schematic diagram of the lightning arrester that Fig. 2 provides for the utility model embodiment.
Wherein, 01 is shaft tower main body, and 02 is lightning arrester, 03 is wire, and 1 is shaft tower side gold utensil, and 2 is flange, 3 is epoxy plug, and 4 is silicone rubber jacket, and 5 is valve block assembly, 6 is insulating cylinder, and 7 is sheath cluster parachute, and 8 is top electrode, 9 is pre-set space, 10 is bottom electrode, and 11 is end seal structure, and 12 is side of wire was gold utensil.
Embodiment
The utility model discloses a kind of shaft tower, in this shaft tower, only just can realize and support fixing cord and lightning-arrest dual-use function by lightning arrester, reduce the installment work of insulator, thereby reduced the total weight of functional part in circuit, simplified shaft tower line facility and installment work.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the partial structurtes schematic diagram of the shaft tower that Fig. 1 provides for the utility model embodiment, the internal structure schematic diagram of the lightning arrester that Fig. 2 provides for the utility model embodiment.
The shaft tower that the utility model embodiment provides, as shown in Figure 1, comprises shaft tower main body 01, wire 03 and lightning arrester 02, and lightning arrester 02 one end and shaft tower main body 01 are connected, other end overlap joint wire 03.Wherein, refer to the internal structure schematic diagram of the lightning arrester shown in Fig. 2, this lightning arrester 02 comprises epoxy plug 3, shaft tower side gold utensil 1, side of wire was gold utensil 12, silicone rubber jacket 4, insulating cylinder 6, top electrode 8, bottom electrode 10, valve block assembly 5 and encapsulant.And shaft tower side gold utensil 1 is for being connected with shaft tower main body 01, side of wire was gold utensil 12 is for connecting wire 03, and side of wire was gold utensil 12 and shaft tower side gold utensil 1 are crimped on respectively the two ends of epoxy plug 3; Silicone rubber jacket 4 is positioned at insulating cylinder 6, and silicone rubber jacket 4 and insulating cylinder 6 are sheathed on respectively on epoxy plug 3, and insulating cylinder 6 outer walls are provided with sheath cluster parachute 7; In insulating cylinder 6, be also provided with top electrode 8 and bottom electrode 10, between bottom electrode 10 and top electrode 8, be provided with pre-set space 9 to keep certain discharging gap, bottom electrode 10 is connected with side of wire was gold utensil 12 equipotentials, and side of wire was gold utensil 12 seals by end seal structure 11 with the end, high-pressure side of insulating cylinder 6; The annular valve block that valve block assembly 5 is greater than 250V/mm by multiple voltage gradients is followed in series to form, and is positioned at insulating cylinder 6 and is sheathed on silicone rubber jacket 4, and one end of valve block assembly 5 is connected with top electrode 8 equipotentials, and the other end and shaft tower side gold utensil 1 are connected; Encapsulant is poured in the gap between annular valve block, epoxy plug 3 and insulating cylinder 6, to ensure sealing effectiveness, prevents that annular valve block from making moist, and energy impact when buffering lightning arrestor movement is anti-riot.
Can find out from technique scheme, in the shaft tower that the utility model embodiment provides, main tensile load of bearing wire 03 by the epoxy plug 3 at lightning arrester center, the structures such as valve block assembly not only have lightning-arrest function, and do not affect the stressed of epoxy plug 3.In actual use, the overall structure height of above-mentioned lightning arrester is suitable with the common insulator string of 110kV, when application, can conveniently replace existing line insulator, really accomplishes to replace the function of insulator of the prior art and lightning arrester.In addition, the body of common arrester with gaps and inter space device (its function is equivalent to top electrode 8 and the bottom electrode 10 in the utility model) are split-type structurals, and clearance electrode is positioned at device outside, and clearance electrode (top electrode 8 and bottom electrode 10) in lightning arrester in the shaft tower that the utility model embodiment provides is placed in insulating cylinder 6, thereby make device appearance succinctly neat, be convenient to transport and install.
In specific embodiment, the valve block assembly 5 in lightning arrester 02 can adopt annular valve block, also can adopt the form of multicolumn parallel connection, wherein, the internal voids place of valve block assembly 5 can filled silicon rubber or other insulating material carry out insulated enclosure.And, in specific embodiment, in valve block assembly 5, also comprise backing metal, to play all pressure effects, make the Electric Field Distribution of lightning arrester even.
In addition, in specific embodiment, encapsulant is silastic material, and epoxy plug 3 is glass fibre leading-drawing rod, and shaft tower side gold utensil 1 is bulb or ball-and-socket.Shaft tower side gold utensil 1 is connected with steel tower cross-arm hanging point by ball-eye, U-shaped ring etc., and side of wire was gold utensil 12 is connected with wire clamp.Further, on shaft tower side gold utensil 1, be arranged with the flange 2 for being connected with valve block assembly 5 and insulating cylinder 6 one end, between flange 2 and valve block assembly 5, be provided with hermetically-sealed construction and for discharging the release structure for pressure of lightning arrester internal pressure.Particularly, release structure for pressure is spring.Wherein, flange 2 and shaft tower side gold utensil 1 can be set to integral structure, can be also in follow-up manufacturing process, flange 2 to be connected to (now, should be noted that sealing and equipotential, and when thunderbolt being through-flow) with shaft tower side gold utensil 1 again.
In specific embodiment, the lightning arrester body part being made up of annular valve block and insulating cylinder 6 is hollow, entirety, after completing, be sleeved on epoxy plug 3.But be not limited to this, lightning arrester body part can also be split type, install one by one outside plug by annular valve block, insulating cylinder 6, then, and the gold utensil of crimping on epoxy plug 3 (shaft tower side gold utensil 1 and side of wire was gold utensil 12) is fixing.In actual use, in shaft tower, lightning arrester 02 can fix for the one end that overlaps wire 03, also can not fix.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a shaft tower, comprises shaft tower main body (01), wire (03) and lightning arrester (02), it is characterized in that, described lightning arrester (02) one end and described shaft tower main body (01) are connected, and the other end overlaps described wire (03), and described lightning arrester (02) comprising:
Epoxy plug (3);
Be used for the shaft tower side gold utensil (1) being connected with described shaft tower main body (01);
Be used for connecting the side of wire was gold utensil (12) of described wire (03), described side of wire was gold utensil (12) and described shaft tower side gold utensil (1) are crimped on respectively the two ends of described epoxy plug (3);
Be sheathed on the silicone rubber jacket (4) on described epoxy plug (3);
Be sheathed on the insulating cylinder (6) on described epoxy plug (3), described insulating cylinder (6) outer wall is provided with sheath cluster parachute (7);
Be arranged at the top electrode (8) in described insulating cylinder (6);
Be arranged at the bottom electrode (10) in described insulating cylinder (6), be provided with pre-set space (9) to keep certain discharging gap between described bottom electrode (10) and described top electrode (8), described bottom electrode (10) is connected with described side of wire was gold utensil (12);
Valve block assembly (5), the annular valve block that described valve block assembly (5) is greater than 250V/mm by multiple voltage gradients is followed in series to form, be positioned at described insulating cylinder (6) and be sheathed on described silicone rubber jacket (4), one end of described valve block assembly (5) is connected with described top electrode (8), and the other end and described shaft tower side gold utensil (1) are connected;
Be poured into the encapsulant in gap between described annular valve block, described epoxy plug (3) and described insulating cylinder (6).
2. shaft tower according to claim 1, is characterized in that, described epoxy plug (3) is glass fibre leading-drawing rod.
3. shaft tower according to claim 1, is characterized in that, described shaft tower side gold utensil (1) is bulb or ball-and-socket.
4. shaft tower according to claim 1, it is characterized in that, on described shaft tower side gold utensil (1), be arranged with the flange (2) for being connected with described valve block assembly one end, between described flange (2) and described valve block assembly (5), be provided with hermetically-sealed construction and for discharging the release structure for pressure of described lightning arrester internal pressure.
5. shaft tower according to claim 4, is characterized in that, described flange (2) and described shaft tower side gold utensil (1) are integral type structure.
6. shaft tower according to claim 4, is characterized in that, described release structure for pressure is spring.
7. according to the shaft tower described in claim 1-6 any one, it is characterized in that, described encapsulant is silastic material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320800756.5U CN203674560U (en) | 2013-12-06 | 2013-12-06 | Pole tower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320800756.5U CN203674560U (en) | 2013-12-06 | 2013-12-06 | Pole tower |
Publications (1)
Publication Number | Publication Date |
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CN203674560U true CN203674560U (en) | 2014-06-25 |
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ID=50970815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320800756.5U Expired - Lifetime CN203674560U (en) | 2013-12-06 | 2013-12-06 | Pole tower |
Country Status (1)
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CN (1) | CN203674560U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110492414A (en) * | 2019-09-05 | 2019-11-22 | 山东达驰阿尔发电气有限公司 | A kind of phaseisolated bus is with preventing shelf depreciation support construction |
-
2013
- 2013-12-06 CN CN201320800756.5U patent/CN203674560U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110492414A (en) * | 2019-09-05 | 2019-11-22 | 山东达驰阿尔发电气有限公司 | A kind of phaseisolated bus is with preventing shelf depreciation support construction |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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CX01 | Expiry of patent term |