CN112332299A - Integrative cover that shields of vase cross arm - Google Patents
Integrative cover that shields of vase cross arm Download PDFInfo
- Publication number
- CN112332299A CN112332299A CN202011333243.9A CN202011333243A CN112332299A CN 112332299 A CN112332299 A CN 112332299A CN 202011333243 A CN202011333243 A CN 202011333243A CN 112332299 A CN112332299 A CN 112332299A
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- cross arm
- cover
- front plate
- arm cover
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention belongs to the technical field of power systems, and particularly relates to an integral shielding cover for a porcelain insulator cross arm. A porcelain insulator cross arm integrated shielding cover is characterized by comprising an auxiliary cover body and a main cover body; the auxiliary cover body comprises a left front plate, a left upper plate and a left rear plate; the main cover body comprises a right half porcelain insulator cover body and a cross arm cover; the right half porcelain insulator cover body comprises a right rear plate, a right front plate and a right upper plate; the cross arm cover comprises a cross arm cover front plate, a cross arm cover upper plate and a cross arm cover rear plate, wherein the left end of the cross arm cover front plate is fixedly connected with the lower part of the right end of the right front plate, and the left end of the cross arm cover rear plate is fixedly connected with the lower part of the right end of the right rear plate; and a lead fixing device is fixed on the upper surface of the upper plate of the cross arm cover. But vase and cross arm can be integrative simultaneously shield, have improved the operation security by a wide margin. The method is used for the operation project of replacing the linear side phase insulator in an electrified way by a 10kV insulating glove method, and shielding the iron feet and the cross arm of the porcelain insulator.
Description
Technical Field
The invention belongs to the technical field of power systems, and particularly relates to an integral shielding cover for a porcelain insulator cross arm.
Background
When the 10kV insulating glove method is used for live replacement of the linear side phase insulator, the insulator iron feet and the cross arm need to be shielded. At present, no special shielding cover is available, and no porcelain bottle and cross arm can be simultaneously shielded integrally; the existing operation safety is poor, and a porcelain bottle cross arm integrated shielding cover is urgently needed to be developed and used for improving the operation safety and reducing the labor intensity.
Disclosure of Invention
The invention aims to provide an integral shielding cover for a porcelain insulator cross arm, which can simultaneously shield the porcelain insulator and the cross arm integrally and greatly improve the operation safety.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a porcelain insulator cross arm integrated shielding cover is characterized by comprising an auxiliary cover body and a main cover body; the auxiliary cover body comprises a left front plate, a left upper plate and a left rear plate; the upper end of the left front plate is fixedly connected with the front end of the lower end face of the left upper plate, the upper end of the left rear plate is fixedly connected with the rear end of the lower end face of the left upper plate, and the left front plate, the left upper plate and the left rear plate enclose an inverted left U-shaped cavity; a handle is arranged on the front side surface of the left front plate; a left side plate is fixedly connected between the left end of the left front plate and the left end of the left rear plate; the right middle part of the left upper plate is provided with a left slotted hole which is communicated with the inverted left U-shaped cavity;
the main cover body comprises a right half porcelain insulator cover body and a cross arm cover; the right half porcelain insulator cover body comprises a right back plate, a right front plate and a right upper plate, the upper end of the right back plate is fixedly connected with the rear end of the lower end face of the right upper plate, the upper end of the right front plate is fixedly connected with the front end of the lower end face of the right upper plate, the right back plate, the right front plate and the right upper plate enclose an inverted right U-shaped cavity, the left middle part of the right upper plate is provided with a right slotted hole, and the right slotted hole is communicated with the inverted right U-shaped cavity; a right side plate is fixedly connected between the right end of the upper part of the right back plate and the right end of the upper part of the right front plate;
the cross arm cover comprises a cross arm cover front plate, a cross arm cover upper plate and a cross arm cover rear plate, the upper end of the cross arm cover front plate is fixedly connected with the front end of the lower end face of the cross arm cover upper plate, the upper end of the cross arm cover rear plate is fixedly connected with the rear end of the lower end face of the cross arm cover upper plate, the left end of the cross arm cover front plate is fixedly connected with the lower part of the right end of the right front plate, and the left end of the cross arm cover rear plate is fixedly connected with the lower part of the right end of the right rear plate; and a lead fixing device is fixed on the upper surface of the upper plate of the cross arm cover.
According to the technical scheme, the lower end part of the front side surface of the right rear plate is provided with the slot along the left-right direction, and the lower end part of the rear side surface of the right front plate is provided with the slot along the left-right direction; the lower end part of the front side surface of the cross arm cover rear plate is provided with a slot along the left-right direction, and the lower end part of the rear side surface of the cross arm cover front plate is provided with a slot along the left-right direction; the inserting plates are inserted into the slot of the right back plate, the slot of the right front plate, the slot of the cross arm cover back plate and the slot of the cross arm cover front plate.
According to the technical scheme, a bottom plate is fixed between the lower end of the left front plate and the lower end of the left rear plate of the auxiliary cover body.
According to the technical scheme, the lead fixing device comprises a left upright post, a hinged nut, a connecting plate, a shaft and a right upright post; the left upright post is positioned on the left side of the right upright post, and the lower end of the left upright post and the lower end of the right upright post are respectively fixedly connected with the upper plate of the cross arm cover; a shaft is fixed at the upper end of the right upright post, an external thread is arranged at the upper part of the shaft, a fastening nut is screwed at the upper part of the shaft, a socket is arranged at the right end part of the connecting plate, and the socket of the connecting plate is inserted into the shaft; the left end portion of the connecting plate is provided with a screw rod passing hole, the screw rod passes through the hole sleeve and is sleeved on the screw rod of the upper end of the left stand column, the screw rod is screwed with a hinged nut, and the hinged nut is located above the left end portion of the connecting plate.
The invention has the beneficial effects that: the porcelain insulator and the cross arm can be simultaneously shielded integrally, so that the shielding times of operators are reduced, the labor intensity is reduced, the operation safety is improved, the operation flow is optimized, the operation is easier and safer, the safety uncertainty caused by shielding of multiple operations of the operators during working is avoided, and the safety and reliability of the operators are ensured. The cross arm porcelain bottle integrated shielding cover is provided with a lead fixing device (an openable groove) which can be used for fixing a lead.
Drawings
Fig. 1 is a front view of the porcelain insulator cross arm integrated shielding cover of the present invention.
Fig. 2 is a schematic perspective view of the porcelain insulator cross arm integrated shielding cover of the present invention.
In the figure: 1-bottom plate, 2-auxiliary cover body, 3-handle, 4-left upright post, 5-hinged nut, 6-connecting plate, 7-shaft, 8-right upright post, 9-main cover body, 10-left front plate, 11-left upper plate, 12-left slotted hole, 13-left rear plate, 14-right rear plate, 15-right front plate, 16-right upper plate, 17-right slotted hole, 18-openable groove, 19-cross arm cover front plate and 20-cross arm cover upper plate.
Detailed Description
As shown in fig. 1-2, a porcelain insulator cross arm integrated shielding cover comprises an auxiliary cover body 2 and a main cover body 9; the porcelain bottle cover is formed by an auxiliary cover body (or called a left half porcelain bottle cover body) 2 and a right half porcelain bottle cover body (the auxiliary cover body is positioned on the left side of the right half porcelain bottle cover body (the left side of the figure 1 is left, and the right side of the figure 1 is right)); the auxiliary cover body 2 comprises a left front plate 10, a left upper plate 11 and a left rear plate 13; the upper end of the left front plate 10 is fixedly connected (such as screwed) with the front end of the lower end face of the left upper plate 11, the upper end of the left rear plate 13 is fixedly connected (such as screwed, the left front plate 10 is positioned on the front side of the left rear plate 13) with the rear end of the lower end face of the left upper plate 11, and the left front plate 10, the left upper plate 11 and the left rear plate 13 enclose an inverted left U-shaped cavity; the front side surface of the left front plate 10 is provided with a handle 3; a left side plate is fixedly connected between the left end of the left front plate 10 and the left end of the left rear plate 13; the right middle part of the left upper plate 11 is provided with a left slotted hole 12, and the left slotted hole 12 is communicated with an inverted left U-shaped cavity;
the main cover body 9 comprises a right half porcelain insulator cover body, a cross arm cover and an inserting plate; the right half porcelain insulator cover body comprises a right back plate 14, a right front plate 15 and a right upper plate 16, wherein the upper end of the right back plate 14 is fixedly connected (such as screwed) with the rear end of the lower end surface of the right upper plate 16, the upper end of the right front plate 15 is fixedly connected (such as screwed) with the front end of the lower end surface of the right upper plate 16, an inverted right U-shaped cavity is defined by the right back plate 14, the right front plate 15 and the right upper plate 16, a right slotted hole 17 is formed in the left middle of the right upper plate 16, and the right slotted hole 17 is communicated with the inverted right U-shaped cavity; a right side plate is fixedly connected between the right end of the upper part of the right back plate 14 and the right end of the upper part of the right front plate 15;
the cross arm cover comprises a cross arm cover front plate 19, a cross arm cover upper plate 20 and a cross arm cover rear plate, wherein the upper end of the cross arm cover front plate 19 is fixedly connected (such as screwed) with the front end of the lower end face of the cross arm cover upper plate 20, the upper end of the cross arm cover rear plate is fixedly connected (such as screwed) with the rear end of the lower end face of the cross arm cover upper plate 20, the cross arm cover front plate 19 is positioned on the front side of the cross arm cover rear plate, the left end of the cross arm cover front plate 19 is fixedly connected (such as screwed) with the lower part of the right end of the right front plate 15, and the left end of the cross arm cover rear plate is fixedly connected (such as screwed) with the lower part of the right end of the right rear plate 14; a wire fixing device is fixed on the upper surface of the crossarm cover upper plate 20.
Further, a slot is arranged at the lower end part of the front side surface of the right back plate 14 along the left-right direction, and a slot is arranged at the lower end part of the rear side surface of the right front plate 15 along the left-right direction; the lower end part of the front side surface of the cross arm cover rear plate is provided with a slot along the left-right direction, and the lower end part of the rear side surface of the cross arm cover front plate 19 is provided with a slot along the left-right direction (namely, the slot is arranged at the inner side between the cross arm cover rear plate and the cross arm cover front plate 19); the insert plates are inserted into the insert groove of the right back plate 14, the insert groove of the right front plate 15, the insert groove of the cross arm cover back plate and the insert groove of the cross arm cover front plate 19.
Further, a bottom plate 1 is fixed between the lower end of the left front plate 10 and the lower end of the left rear plate 13 of the sub-housing 2.
The lead fixing device comprises a left upright post 4, a hinged nut 5, a connecting plate 6, a shaft 7 and a right upright post 8; the left upright post 4 is positioned at the left side of the right upright post 8, and the lower end of the left upright post 4 and the lower end of the right upright post 8 are respectively and fixedly connected (such as screwed) with the cross arm cover upper plate 20; a shaft 7 is fixed at the upper end of the right upright post 8, an external thread is arranged at the upper part of the shaft 7, a fastening nut is screwed at the upper part of the shaft 7, a socket is arranged at the right end part of the connecting plate 6, and the socket of the connecting plate 6 is inserted into the shaft 7; the left end of the connecting plate 6 is provided with a screw rod through hole, the screw rod is sleeved on the screw rod at the upper end of the left upright post 4 through the hole (equivalently, the sleeved part can be a polished rod), the screw rod is screwed with a hinged nut 5, and the hinged nut 5 is positioned above the left end of the connecting plate 6 (the left upright post 4, the connecting plate 6 and the right upright post 8 enclose a groove 18 which can be opened).
Use of: 1. before use, the inserting plate on the main cover body 9 is drawn out; the right porcelain insulator cover body of the main cover body 9 is sleeved on the porcelain insulator from the lower opening (the right slotted hole 17 is clamped on the right half part of the porcelain insulator), and meanwhile (as a whole) the cross arm cover is sleeved on the cross arm from the lower opening; after the sleeve is well sleeved, the inserting plate is inserted. 2. Then the auxiliary cover body 2 is sleeved on the porcelain insulator from the right side opening (when the bottom plate is arranged) (when the bottom plate is not arranged, the auxiliary cover body 2 is sleeved on the left half part of the porcelain insulator from the lower opening). 3. Removing the link plate 6 from the shaft 7 (releasing the link plate 6) to open the upper end of the openable groove 18; moving the conducting wire on the porcelain insulator into the slot 18 which can be opened; the connecting plate 6 is then fastened to the shaft 7, i.e. the wire is fixed. 4. And (3) carrying out the operation of replacing the linear side phase insulator in an electrified way by a 10kV insulating glove method, finally opening the connecting plate 6 (taking the connecting plate 6 off the shaft 7), taking out the lead in the groove 18 which can be opened, and connecting the lead to the porcelain insulator. 5. After the operation is finished, the auxiliary cover body 2 is taken down firstly; then the inserting plate is drawn out, and the main cover body 9 is taken down. The left slot 12 and the right slot 17 form a card insulator hole for clamping an insulator.
The product name is as follows: cover, model are shielded to vase cross arm an organic whole: CHYT-Z; size: 500 x 241 x 119mm, material: an epoxy board; thickness of the insulating plate: 3 mm; electrical properties: 20kV/3 min; the voltage class used: 10 kV; weight: 2 kg.
The application is as follows: the method is used for the operation project of replacing the linear side phase insulator in an electrified way by a 10kV insulating glove method, and shielding the iron feet and the cross arm of the porcelain insulator.
Claims (4)
1. A porcelain insulator cross arm integrated shielding cover is characterized by comprising an auxiliary cover body (2) and a main cover body (9); the auxiliary cover body (2) comprises a left front plate (10), a left upper plate (11) and a left rear plate (13); the upper end of the left front plate (10) is fixedly connected with the front end of the lower end face of the left upper plate (11), the upper end of the left rear plate (13) is fixedly connected with the rear end of the lower end face of the left upper plate (11), and the left front plate (10), the left upper plate (11) and the left rear plate (13) enclose an inverted left U-shaped cavity; a handle (3) is arranged on the front side surface of the left front plate (10); a left side plate is fixedly connected between the left end of the left front plate (10) and the left end of the left rear plate (13); the right middle part of the left upper plate (11) is provided with a left slotted hole (12), and the left slotted hole (12) is communicated with an inverted left U-shaped cavity;
the main cover body (9) comprises a right half porcelain bottle cover body and a cross arm cover; the right half porcelain insulator cover body comprises a right back plate (14), a right front plate (15) and a right upper plate (16), the upper end of the right back plate (14) is fixedly connected with the rear end of the lower end face of the right upper plate (16), the upper end of the right front plate (15) is fixedly connected with the front end of the lower end face of the right upper plate (16), the right back plate (14), the right front plate (15) and the right upper plate (16) enclose an inverted right U-shaped cavity, the left middle part of the right upper plate (16) is provided with a right slotted hole (17), and the right slotted hole (17) is communicated with the inverted right U-shaped cavity; a right side plate is fixedly connected between the right end of the upper part of the right back plate (14) and the right end of the upper part of the right front plate (15);
the cross arm cover comprises a cross arm cover front plate (19), a cross arm cover upper plate (20) and a cross arm cover rear plate, the upper end of the cross arm cover front plate (19) is fixedly connected with the front end of the lower end face of the cross arm cover upper plate (20), the upper end of the cross arm cover rear plate is fixedly connected with the rear end of the lower end face of the cross arm cover upper plate (20), the left end of the cross arm cover front plate (19) is fixedly connected with the lower part of the right end of the right front plate (15), and the left end of the cross arm cover rear plate is fixedly connected with the lower part of the right end of the right rear plate (14); the upper surface of the upper plate (20) of the cross arm cover is fixed with a lead fixing device.
2. The porcelain insulator cross arm integrated shielding cover as claimed in claim 1, wherein: the lower end part of the front side surface of the right rear plate (14) is provided with a slot along the left-right direction, and the lower end part of the rear side surface of the right front plate (15) is provided with a slot along the left-right direction; the lower end part of the front side surface of the cross arm cover rear plate is provided with a slot along the left-right direction, and the lower end part of the rear side surface of the cross arm cover front plate (19) is provided with a slot along the left-right direction; the inserting plates are inserted into the inserting groove of the right back plate (14), the inserting groove of the right front plate (15), the inserting groove of the cross arm cover back plate and the inserting groove of the cross arm cover front plate (19).
3. The porcelain insulator cross arm integrated shielding cover as claimed in claim 1, wherein: a bottom plate (1) is fixed between the lower end of the left front plate (10) and the lower end of the left rear plate (13) of the auxiliary cover body (2).
4. The porcelain insulator cross arm integrated shielding cover as claimed in claim 1, wherein: the lead fixing device comprises a left upright post (4), a hinged nut (5), a connecting plate (6), a shaft (7) and a right upright post (8); the left upright post (4) is positioned on the left side of the right upright post (8), and the lower end of the left upright post (4) and the lower end of the right upright post (8) are respectively and fixedly connected with the upper plate (20) of the cross arm cover; a shaft (7) is fixed at the upper end of the right upright post (8), an external thread is arranged at the upper part of the shaft (7), a fastening nut is screwed at the upper part of the shaft (7), a socket is arranged at the right end part of the connecting plate (6), and the socket of the connecting plate (6) is inserted into the shaft (7); the left end of even board (6) is equipped with the screw rod and passes the hole, and the screw rod passes the hole cover on the screw rod of the upper end of left stand (4), and it has articulated nut (5) to revolve on the screw rod, and articulated nut (5) are located the top of the left end of even board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333243.9A CN112332299A (en) | 2020-11-24 | 2020-11-24 | Integrative cover that shields of vase cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333243.9A CN112332299A (en) | 2020-11-24 | 2020-11-24 | Integrative cover that shields of vase cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112332299A true CN112332299A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011333243.9A Pending CN112332299A (en) | 2020-11-24 | 2020-11-24 | Integrative cover that shields of vase cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332299A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203312701U (en) * | 2013-06-04 | 2013-11-27 | 湖南太平昌盛电力器具科技有限公司 | Novel 10kV electricity distribution line cross-arm porcelain bottle shielding cover |
| CN103840395A (en) * | 2013-12-13 | 2014-06-04 | 国家电网公司 | Insulator shielding cover |
| CN203645246U (en) * | 2013-12-18 | 2014-06-11 | 国家电网公司 | 10kV live-line working insulation shielding tool |
| CN203883369U (en) * | 2014-05-23 | 2014-10-15 | 国家电网公司 | Cross-arm insulator integrated shield cover for hot-line work |
| CN205178376U (en) * | 2015-08-27 | 2016-04-20 | 国网浙江宁波市鄞州区供电公司 | Cross arm shields cover |
| CN110880712A (en) * | 2019-11-22 | 2020-03-13 | 国网上海市电力公司 | Double-cross-arm insulation shielding cover |
| CN213817041U (en) * | 2020-11-24 | 2021-07-27 | 国网湖北省电力有限公司宜昌供电公司 | Porcelain bottle cross arm integrated shielding cover |
-
2020
- 2020-11-24 CN CN202011333243.9A patent/CN112332299A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203312701U (en) * | 2013-06-04 | 2013-11-27 | 湖南太平昌盛电力器具科技有限公司 | Novel 10kV electricity distribution line cross-arm porcelain bottle shielding cover |
| CN103840395A (en) * | 2013-12-13 | 2014-06-04 | 国家电网公司 | Insulator shielding cover |
| CN203645246U (en) * | 2013-12-18 | 2014-06-11 | 国家电网公司 | 10kV live-line working insulation shielding tool |
| CN203883369U (en) * | 2014-05-23 | 2014-10-15 | 国家电网公司 | Cross-arm insulator integrated shield cover for hot-line work |
| CN205178376U (en) * | 2015-08-27 | 2016-04-20 | 国网浙江宁波市鄞州区供电公司 | Cross arm shields cover |
| CN110880712A (en) * | 2019-11-22 | 2020-03-13 | 国网上海市电力公司 | Double-cross-arm insulation shielding cover |
| CN213817041U (en) * | 2020-11-24 | 2021-07-27 | 国网湖北省电力有限公司宜昌供电公司 | Porcelain bottle cross arm integrated shielding cover |
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Application publication date: 20210205 |
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| RJ01 | Rejection of invention patent application after publication |