CN111999830A - Grounding fixing device for down-lead of optical cable of transformer substation - Google Patents
Grounding fixing device for down-lead of optical cable of transformer substation Download PDFInfo
- Publication number
- CN111999830A CN111999830A CN202010738815.5A CN202010738815A CN111999830A CN 111999830 A CN111999830 A CN 111999830A CN 202010738815 A CN202010738815 A CN 202010738815A CN 111999830 A CN111999830 A CN 111999830A
- Authority
- CN
- China
- Prior art keywords
- shaft hole
- shaft
- fixing block
- lead
- flat steel
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000012212 insulator Substances 0.000 claims abstract description 25
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/562—Processes for repairing optical cables locatable, e.g. using magnetic means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a grounding fixing device for a down-lead of an optical cable of a transformer substation, which comprises: the first end of the flat steel hoop is fixed on the connecting and fixing block, a transverse shaft hole and a longitudinal shaft hole are formed in the connecting and fixing block, and the transverse shaft hole is intersected with the longitudinal shaft hole; a rotating shaft is arranged in the longitudinal shaft hole, the first end of the rotating shaft penetrates through the longitudinal shaft hole and is communicated to a shaft seat hole of a shaft seat, the shaft seat is arranged on the connecting fixing block, the shaft seat hole and the longitudinal shaft hole are coaxially arranged, and the second end of the rotating shaft is connected with a nut; a shaft sleeve is arranged on the rotating shaft, a gear is sleeved outside the shaft sleeve and is positioned in the transverse shaft hole; the second end of the flat steel hoop is connected with a rack, the rack extends into the transverse shaft hole, and the rack is matched with the gear; the connecting fixing block is also provided with a notch groove, the first end of the insulator is provided with a connecting bulge, the connecting bulge is matched with the notch groove, and the second end of the insulator is connected with the lead clamp; the notch groove and the connecting bulge are fixedly connected through a connecting and fixing mechanism.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a grounding fixing device for a down-lead of an optical cable of a transformer substation.
Background
With the continuous development and progress of power systems, the technical combination between power grid transmission and optical fiber has become more and more obvious. The OPGW optical cable is currently and generally used in the power grid erection process as a product of the combination of the power grid ground wire and the optical fiber communication transmission.
In the process of erecting the OPGW optical cable, grounding needs to be conducted on the OPGW optical cable; however, the down-lead grounding device in the prior art has the problems that the hoop is broken due to thermal expansion and cold contraction and the technical problem that the insulation distance of the down-lead clamp is short. This is a disadvantage of the prior art.
In view of the above, the present invention provides a grounding fixing device for a down-lead cable of a transformer substation; it is very necessary to solve the above-mentioned defects existing in the prior art.
Disclosure of Invention
The invention aims to provide a grounding fixing device for a down lead of an optical cable of a transformer substation, aiming at the problems of the prior art that a hoop is broken due to thermal expansion and cold contraction and the technical problem that the insulation distance of a lead clamp is short, so as to solve the technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a substation cable drop grounding fixture, comprising:
the flat steel anchor ear, the connecting fixing block, the insulator and the lead wire clamp, wherein the first end of the flat steel anchor ear is fixed on the connecting fixing block,
the connecting fixing block is provided with a transverse shaft hole and a longitudinal shaft hole, and the transverse shaft hole is intersected with the longitudinal shaft hole; a rotating shaft is arranged in the longitudinal shaft hole, a first end of the rotating shaft penetrates through the longitudinal shaft hole and is communicated to a shaft seat hole of a shaft seat, the shaft seat is arranged on the connecting fixing block, the shaft seat hole and the longitudinal shaft hole are coaxially arranged, and a second end of the rotating shaft is connected with a screw cap;
the rotating shaft is provided with a shaft sleeve, a gear is sleeved outside the shaft sleeve, and the gear is positioned in the transverse shaft hole;
the second end of the flat steel hoop is connected with a rack, the rack extends into the transverse shaft hole, and the rack is matched with the gear;
the connecting fixing block is also provided with a notch groove, the first end of the insulator is provided with a connecting bulge, the connecting bulge is matched with the notch groove, and the second end of the insulator is connected with the lead clamp;
the notch groove and the connecting protrusion are fixedly connected through a connecting and fixing mechanism.
Preferably, the connection fixing mechanism includes:
the pawl is arranged on the insulator connecting bulge and matched with the groove; after the connecting bulge of the insulator extends into the notch groove, the pawl is clamped into the groove on the inner wall of the notch groove; the connecting bulge of the insulator is firmly fixed in the notch groove in the connecting and fixing block, and the fixed connection between the connecting and fixing block and the insulator is realized.
Preferably, the flat steel hoop is a galvanized flat steel hoop; the galvanized flat steel hoop can reduce the influence of expansion with heat and contraction with cold on the flat steel hoop; the risk that the staple bolt bursts apart is avoided appearing.
Preferably, the inner wall of the flat steel hoop is provided with a plurality of raised lines, so that the friction of the flat steel hoop is increased.
Preferably, the raised lines are arranged in a random arrangement mode; further increasing the friction coefficient between the flat steel anchor ear and the fixing frame.
Preferably, the gear is a rigid gear.
Preferably, the connecting fixing block is a metal connecting fixing block.
The invention has the beneficial effects that the flat steel hoop is adopted to avoid the situation that the hoop is broken due to expansion caused by heat and contraction caused by cold, and the insulator is arranged between the connecting fixing block and the lead clamp to prolong the insulation distance; the setting of connecting the fixed block, through rotatory pivot, the pivot drives gear revolve for the rack is in horizontal shaft hole lateral shifting, adjusts the size of band steel staple bolt. The insulator is fixedly connected with the connecting fixing block by the fixing between the notch groove and the connecting protrusion.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural diagram of a substation cable down-lead grounding fixing device provided by the invention.
Fig. 2 is a schematic structural diagram of a connection fixing block in the substation optical cable down-lead grounding fixing device provided by the invention.
Fig. 3 is a schematic view of a connecting fixing block and an insulator connecting portion in the substation optical cable down-lead grounding fixing device provided by the invention.
The device comprises a 1-flat steel hoop, a 2-connecting fixing block, a 3-insulator, a 4-lead clamp, a 5-connecting fixing mechanism, a 101-rack, a 102-convex strip, a 201-transverse shaft hole, a 202-longitudinal shaft hole, a 203-rotating shaft, a 204-shaft seat, a 205-shaft seat hole, a 206-nut, a 207-shaft sleeve, a 208-gear, a 209-notch groove, a 301-connecting bulge, a 501-groove and a 502-pawl.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1 to 3, the present embodiment provides a substation cable down-lead grounding fixing device, including:
the device comprises a flat steel hoop 1, a connecting and fixing block 2, an insulator 3 and a lead wire clamp 4, wherein the first end of the flat steel hoop 1 is fixed on the connecting and fixing block 2, and the flat steel hoop 1 is a galvanized flat steel hoop; the galvanized flat steel hoop can reduce the influence of expansion with heat and contraction with cold on the flat steel hoop; the risk that the staple bolt bursts apart is avoided appearing. The inner wall of the flat steel hoop 1 is provided with a plurality of convex strips 102, so that the friction of the flat steel hoop is increased. The convex strips 102 are arranged in a random arrangement mode; further increasing the friction coefficient between the flat steel anchor ear and the fixing frame. The connecting fixed block 2 is a metal connecting fixed block.
The connecting and fixing block 2 is provided with a transverse shaft hole 201 and a longitudinal shaft hole 202, and the transverse shaft hole 201 is intersected with the longitudinal shaft hole 202; a rotating shaft 203 is arranged in the longitudinal shaft hole 202, a first end of the rotating shaft 203 penetrates through the longitudinal shaft hole 202 and is communicated to a shaft seat hole 205 of a shaft seat 204, the shaft seat 204 is arranged on the connecting fixing block 2, the shaft seat hole 205 and the longitudinal shaft hole 202 are coaxially arranged, and a second end of the rotating shaft 203 is connected with a nut 206;
a shaft sleeve 207 is arranged on the rotating shaft 203, a gear 208 is sleeved outside the shaft sleeve 207, and the gear 208 is positioned in the transverse shaft hole 201;
the second end of the flat steel hoop 1 is connected with a rack 101, the rack 101 extends into the transverse shaft hole 201, and the rack 101 is matched with the gear 208;
the connecting fixing block 2 is also provided with a notch groove 209, the first end of the insulator 3 is provided with a connecting bulge 301, the connecting bulge 301 is matched with the notch groove 209, and the second end of the insulator is connected with the lead clamp 4;
the notch groove 209 is fixedly connected with the connecting bulge 301 through a connecting and fixing mechanism 5; the connecting and fixing mechanism 5 comprises:
a groove 501 arranged on the inner wall of the notch groove 209 and a pawl 502 arranged on the insulator connecting bulge 301, wherein the pawl 502 is matched with the groove 501; after the connecting bulge 301 of the insulator extends into the notch groove 209, the pawl 502 is clamped into the groove 501 on the inner wall of the notch groove 209; the connecting bulge of the insulator is firmly fixed in the notch groove in the connecting and fixing block, and the fixed connection between the connecting and fixing block and the insulator is realized.
The working principle of the technical scheme is as follows:
the anchor ear is fastened outside the fixing frame, then the second end of the anchor ear is stretched into the transverse shaft hole connected with the fixing block, so that the rack is matched with the gear, and the rotating shaft is rotated to enable the anchor ear to tightly clamp the fixing frame, thereby realizing the fastening and fixing of the anchor ear; the cable is then secured by the lead clamp.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a transformer substation's optical cable draws ground fixing device down which characterized in that includes:
the flat steel anchor ear, the connecting fixing block, the insulator and the lead wire clamp, wherein the first end of the flat steel anchor ear is fixed on the connecting fixing block,
the connecting fixing block is provided with a transverse shaft hole and a longitudinal shaft hole, and the transverse shaft hole is intersected with the longitudinal shaft hole; a rotating shaft is arranged in the longitudinal shaft hole, a first end of the rotating shaft penetrates through the longitudinal shaft hole and is communicated to a shaft seat hole of a shaft seat, the shaft seat is arranged on the connecting fixing block, the shaft seat hole and the longitudinal shaft hole are coaxially arranged, and a second end of the rotating shaft is connected with a screw cap;
the rotating shaft is provided with a shaft sleeve, a gear is sleeved outside the shaft sleeve, and the gear is positioned in the transverse shaft hole;
the second end of the flat steel hoop is connected with a rack, the rack extends into the transverse shaft hole, and the rack is matched with the gear;
the connecting fixing block is also provided with a notch groove, the first end of the insulator is provided with a connecting bulge, the connecting bulge is matched with the notch groove, and the second end of the insulator is connected with the lead clamp;
the notch groove and the connecting protrusion are fixedly connected through a connecting and fixing mechanism.
2. A substation cable pigtailing grounding fixture as claimed in claim 1, wherein said connecting fixture comprises:
the pawl is arranged on the insulator connecting bulge and matched with the groove; after the connecting bulge of the insulator extends into the notch groove, the pawl is clamped into the groove on the inner wall of the notch groove.
3. The substation cable down-lead grounding fixing device of claim 2, wherein the flat steel hoop is a galvanized flat steel hoop.
4. The substation optical cable down-lead grounding fixing device of claim 3, wherein a plurality of raised strips are arranged on the inner wall of the flat steel hoop.
5. The substation cable downlead grounding fixture of claim 4, wherein the ribs are arranged in a random arrangement.
6. A substation cable lead-down grounding fixture according to claim 5, wherein said gear is a rigid gear.
7. The substation optical cable down-lead grounding fixing device of claim 6, wherein the connection fixing block is a metal connection fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010738815.5A CN111999830A (en) | 2020-07-28 | 2020-07-28 | Grounding fixing device for down-lead of optical cable of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010738815.5A CN111999830A (en) | 2020-07-28 | 2020-07-28 | Grounding fixing device for down-lead of optical cable of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111999830A true CN111999830A (en) | 2020-11-27 |
Family
ID=73462344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010738815.5A Pending CN111999830A (en) | 2020-07-28 | 2020-07-28 | Grounding fixing device for down-lead of optical cable of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111999830A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206020765U (en) * | 2016-09-18 | 2017-03-15 | 国家电网公司 | A kind of double cables of Ultra-high Voltage Substations OPGW single poles draw lower fastener |
| CN206020766U (en) * | 2016-09-18 | 2017-03-15 | 国家电网公司 | A kind of power transmission line column draws lower securing member with OPGW insulation |
| CN108429213A (en) * | 2018-05-20 | 2018-08-21 | 新能量科技股份有限公司 | A kind of primary steel band hoop bracket |
| CN109245008A (en) * | 2018-11-26 | 2019-01-18 | 国网山东省电力公司信息通信公司 | OPGW optical cable draws lower device and construction technology at a kind of substation architecture |
| CN109546605A (en) * | 2018-11-23 | 2019-03-29 | 国网甘肃省电力公司电力科学研究院 | A kind of arrester outward leakage shielding anchor ear device |
| CN208840804U (en) * | 2018-09-17 | 2019-05-10 | 中铁四局集团有限公司 | Diameter-adjustable assembled pipeline aligning device |
-
2020
- 2020-07-28 CN CN202010738815.5A patent/CN111999830A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206020765U (en) * | 2016-09-18 | 2017-03-15 | 国家电网公司 | A kind of double cables of Ultra-high Voltage Substations OPGW single poles draw lower fastener |
| CN206020766U (en) * | 2016-09-18 | 2017-03-15 | 国家电网公司 | A kind of power transmission line column draws lower securing member with OPGW insulation |
| CN108429213A (en) * | 2018-05-20 | 2018-08-21 | 新能量科技股份有限公司 | A kind of primary steel band hoop bracket |
| CN208840804U (en) * | 2018-09-17 | 2019-05-10 | 中铁四局集团有限公司 | Diameter-adjustable assembled pipeline aligning device |
| CN109546605A (en) * | 2018-11-23 | 2019-03-29 | 国网甘肃省电力公司电力科学研究院 | A kind of arrester outward leakage shielding anchor ear device |
| CN109245008A (en) * | 2018-11-26 | 2019-01-18 | 国网山东省电力公司信息通信公司 | OPGW optical cable draws lower device and construction technology at a kind of substation architecture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205123185U (en) | Non -maintaining insulator wire fixation clamp | |
| CN208112103U (en) | A kind of drainage thread ground connection cross-arm | |
| CN107448733B (en) | A kind of modularization thermal insulation device | |
| CN111999830A (en) | Grounding fixing device for down-lead of optical cable of transformer substation | |
| CN205846618U (en) | A kind of special feeder line clamp of waveguide cable | |
| CN201054482Y (en) | Stretch resisting cable clamper | |
| CN115549007A (en) | Anti-collision durable distance-adjusting wire clamp | |
| CN203445237U (en) | Lightning-proof grounding clamp with selectable use length and convenient for locking | |
| CN212867076U (en) | Double-loop linear strain tower convenient for pi connection | |
| CN201444563U (en) | Pre-twisted wire type anti-vibration hammer | |
| CN205280778U (en) | Draw wire sleeve under telescopic | |
| CN208849415U (en) | A kind of clamp device | |
| CN211858865U (en) | Telescopic fixing frame for household communication antenna | |
| CN208955175U (en) | A kind of fixed device of mobile communication signal tower antenna | |
| CN204216491U (en) | A kind of double bundle conductor carries the Line tool | |
| CN202524045U (en) | Drainage thread bracket of resisting-tensile tower | |
| CN202678551U (en) | Novel grounding device for personal security wire | |
| CN211790668U (en) | Be used for compound overhead ground wire of optic fibre insulating downlead to press from both sides | |
| CN201152904Y (en) | Pre-twisted optical fiber down lead clip component | |
| CN201985269U (en) | Pre-tightening tubular insulation bus joint | |
| CN206235038U (en) | A kind of solar heat collector pipeline special joint | |
| CN217036234U (en) | Novel connection structure of insulating copper pipe generating line | |
| CN210919749U (en) | Novel locknut for overhead line pole tower | |
| CN216355672U (en) | Height-adjustable combined type insulated single-foot holding pole structure | |
| CN204156106U (en) | The earth connection clamping unit that a kind of nuclear bridge is special |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201127 |