CN112510555A - Power distribution equipment interval isolating device - Google Patents
Power distribution equipment interval isolating device Download PDFInfo
- Publication number
- CN112510555A CN112510555A CN202011403518.1A CN202011403518A CN112510555A CN 112510555 A CN112510555 A CN 112510555A CN 202011403518 A CN202011403518 A CN 202011403518A CN 112510555 A CN112510555 A CN 112510555A
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- Prior art keywords
- pulley
- distribution equipment
- sliding rail
- spacing
- shaped connecting
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- 230000004888 barrier function Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of electric power overhaul equipment, in particular to a power distribution equipment interval isolation device which comprises a sliding rail, a pulley block and a plurality of insulation barriers, wherein the pulley block is arranged in the sliding rail in a rolling manner, and one side of each insulation barrier is detachably connected with the pulley block; be provided with on the slide rail and can dismantle with the transformer pole and be connected and the solid fixed ring of size adjustable, the slide rail both ends all can be dismantled and be provided with the stopper. The sliding rail in the scheme is vertically installed on the transformer pole through the fixing ring, and the plurality of insulating barriers can slide on the sliding rail through the pulley block, so that the connection mode is safe and reliable; in addition, the limiting blocks arranged at the two ends of the sliding rails can be detached, so that a plurality of sliding rails can be installed on the same transformer pole to be matched for use, and the transformer pole is more flexible through the limiting blocks and is convenient to use in practical application.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to a power distribution equipment interval isolation device.
Background
At present, the situations of a double-loop power supply line leading-down device and a single-loop local parallel operation of a plurality of transformers exist in large quantity in a 10kV power distribution network. And with the economic expansion, the increase of the power consumption leads to the increase of local faults of the power system, and under the condition, the local power failure maintenance workload is increased sharply to ensure the power supply quality. When the 10kV distribution transformer racks arranged in parallel are used for power failure maintenance of a single transformer, due to the fact that the safe distance between the adjacent transformers is insufficient, the adjacent transformers need to be subjected to power failure coordination work at the same time, the power failure range and the number of users in power failure are enlarged, great influence is brought to life of people, and power consumption experience is seriously reduced.
Chinese patent CN203911303U discloses a protection device for working on a transformer low-voltage side rack, which comprises two insulating baffles, two pieces of insulating cloth and a nylon fastener tape; the two insulating baffle plates are vertically arranged in parallel, the lower edge and the lower edge of the rear end of each insulating baffle plate are connected with one side edge of one piece of insulating cloth, and a fixing opening is formed in the middle of the upper end of each insulating baffle plate; the nylon fastener tape is composed of a nylon hook tape and a nylon velvet tape, wherein the nylon hook tape and the nylon velvet tape are respectively fixed on the other side edges of the two pieces of insulating cloth, and a certain phase of a low-voltage side to be overhauled can be separated from the outside, so that contact between an overhauler and charged parts on two sides can be avoided, and a safe distance is kept between the overhauled personnel and the high-voltage side. However, the connection between the device and the transformer is not reliable enough, and the device is easy to fall off during maintenance operation, so that the transformer loses isolation measures and is in danger of smashing nearby maintenance personnel; in addition, the structure is fixed, and the use is not convenient enough.
Disclosure of Invention
The invention provides a power distribution equipment interval isolation device for overcoming the defects in the prior art, which can be connected with a transformer safely and reliably, has a flexible structure and is convenient to use.
In the technical scheme, the power distribution equipment interval isolation device comprises a sliding rail, a pulley block arranged in the sliding rail in a rolling mode, and a plurality of insulation barriers with one sides detachably connected with the pulley block; be provided with on the slide rail and can dismantle with the transformer pole and be connected and the solid fixed ring of size adjustable, the slide rail both ends all can be dismantled and be provided with the stopper.
The sliding rail in the scheme is vertically installed on the transformer pole through the fixing ring, and the plurality of insulating barriers can slide on the sliding rail through the pulley block, so that the connection mode is safe, reliable and flexible; when the insulating protective screen is installed and used, firstly, a limiting block is installed at one end of the sliding rail, then, the end, provided with the limiting block, of the sliding rail is upward, the sliding rail is installed on a transformer pole through a fixing ring, the insulating protective screens are sequentially installed on the sliding rail in an upward sliding mode, then, the limiting block at the bottom end of the sliding rail is installed, and the insulating protective screens are fixed on the sliding rail, so that the using mode is simple and convenient; in addition, the limiting blocks arranged at the two ends of the sliding rails can be detached, so that a plurality of sliding rails can be installed on the same transformer pole to be matched for use, and the transformer pole is more flexible through the limiting blocks and is convenient to use in practical application.
As a further improved structure form, the fixing ring comprises a first half ring and a second half ring, one end of each of the first half ring and the second half ring is fixedly connected with the sliding rail, and the other end of each of the first half ring and the second half ring is connected with the sliding rail through an adjusting bolt. Specifically, can use the staple bolt as solid fixed ring, can adjust solid fixed ring's radius through adjusting bolt to make the device can be applicable to multiple pole, the practicality is higher.
As a further improved structure, the pulley block comprises at least two pairs of pulley pairs, each pair of pulley pairs comprises two pulleys and a T-shaped connecting piece, two ends of the head of the T-shaped connecting piece of each pair of pulley pairs are respectively fixedly connected with the two pulleys, and the tail of the T-shaped connecting piece of each pair of pulley pairs is detachably connected with the insulating barrier. Specifically, a pair of pulley pairs is respectively arranged at two ends of the insulating barrier, so that the movement of the insulating barrier on the sliding rail is more stable and reliable.
As a further improved structure, each insulation barrier comprises two insulation rods and an insulation plate fixedly arranged between the two insulation rods, and the two insulation rods are detachably connected with the T-shaped connecting pieces of the two pairs of pulley pairs respectively. The insulating plate and the pulley pair are connected through the two insulating rods, so that the structural strength of the insulating plate can be improved.
As a further improved structure form, the sliding rail is provided with two semi-closed inner rails with opposite openings, the two semi-closed inner rails are matched with the T-shaped connecting piece, and the two pulleys of each pair of pulley pairs are respectively arranged in the two semi-closed inner rails in a rolling mode. Such as
As a further improved structure form, a plurality of through holes are distributed on the two insulating rods, and height limiting rods are detachably arranged on the through holes. The height limiting rod can prevent operators from climbing over the isolating device or accidentally crossing the height of the isolating device during operation to touch nearby live equipment, so that the operation safety is further improved.
As a further improved structure form, the T-shaped connecting piece is also provided with a locking piece used for controlling the movement of the pulley. The stop position of control pulley can be conveniently realized to the setting of locking piece to be convenient for control insulating barrier's height, use nimble more, convenient.
As a further improved structure form, the locking piece is a U-shaped plate hinged to the T-shaped connecting piece, and an anti-skid layer is arranged on the inner wall of the U-shaped plate. The friction between locking piece and the slide rail can be increased in the setting of skid resistant course for the locking effect is better, avoids dropping suddenly in the use and causes safety hazard.
As a further improved structure form, the length of the insulating rod is not less than 60 cm. The arrangement is to provide a large insulation space and ensure the safety of operators.
As a further improved structural form, the sliding rail, the pulley, the T-shaped connecting piece and the height limiting rod are all made of insulating materials. And the parts on the isolating device are prevented from contacting the live equipment to damage the safety of operating personnel.
Compared with the prior art, the beneficial effects are:
the isolating device is arranged on the transformer pole through the fixing ring, and meanwhile, the limiting blocks are detachably arranged on the sliding rails, so that the insulating barrier can conveniently enter the inner rails of the sliding rails from the outside, the use is simple, and the isolating device can be matched with a plurality of sliding rails and is flexible; in addition, the height limiting rod can prevent operators from climbing over the isolating device to operate, and potential safety hazards are avoided.
Drawings
FIG. 1 is a schematic overall view of a switchgear bay isolation assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the insulation barrier and the pulley block of the spacing and isolating device of the power distribution equipment according to the embodiment of the invention;
FIG. 3 is a top view of a spacing and isolation device for electrical distribution equipment in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
fig. 5 is a schematic view of a slide rail structure of the power distribution device spacing device according to the embodiment of the invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
examples
Fig. 1 to 5 show an embodiment of a spacing and isolating device for power distribution equipment, which includes a sliding rail 1, a pulley block rolling in the sliding rail 1, and a plurality of insulating barriers 3 with one side detachably connected to the pulley block; be provided with on slide rail 1 and can dismantle with the transformer pole and be connected and the solid fixed ring 11 of size adjustable, slide rail 1 both ends all can be dismantled and be provided with stopper 12.
As shown in fig. 3, the fixing ring 11 in this embodiment includes a first half ring 111 and a second half ring 112, and each of the first half ring 111 and the second half ring 112 has one end fixedly connected to the slide rail 1 and the other end connected to the slide rail through an adjusting bolt. Use the staple bolt as solid fixed ring 11 in this embodiment, can adjust solid fixed ring 11's radius through adjusting bolt to make the device can be applicable to multiple pole, the practicality is higher.
As shown in fig. 2 and 3, the pulley block in this embodiment includes at least two pairs of pulley pairs 2, each pair of pulley pairs 2 includes two pulleys 21 and a T-shaped connecting member 22, two ends of a head portion of the T-shaped connecting member 22 of each pair of pulley pairs 2 are respectively fixedly connected with the two pulleys 21, and a tail portion of the T-shaped connecting member is detachably connected with the insulating barrier 3. Specifically, a pair of pulley pairs 2 is respectively arranged at two ends of the insulating barrier 3, so that the movement of the insulating barrier 3 on the sliding rail 1 can be more stable and reliable.
Each insulation barrier 3 in this embodiment includes two insulation rods 31 and an insulation plate 32 fixedly disposed between the two insulation rods 31, and the two insulation rods 31 are detachably connected to the T-shaped connectors 22 of the two pairs of pulley pairs 2, respectively. The two insulating rods 31 connect the insulating plate 32 and the pulley pair 2, so that the structural strength of the insulating plate 32 can be improved.
As shown in fig. 2, the sliding rail 1 in this embodiment is provided with two semi-closed inner rails 13 with opposite openings, the two semi-closed inner rails 13 are matched with a T-shaped connecting member 22, and two pulleys 21 of each pair of pulley pairs 2 are respectively arranged in the two semi-closed inner rails 13 in a rolling manner. Such as
As shown in fig. 2, a plurality of through holes 311 are distributed on the two insulating rods 31 in this embodiment, and the height limiting rods 4 are detachably disposed on the plurality of through holes 311. The height limiting rod 4 can prevent operators from climbing over the isolation device or accidentally crossing the height of the isolation device during operation to touch nearby live equipment, so that the operation safety is further improved.
As shown in fig. 1, the T-shaped link 22 in this embodiment is further provided with a locking member 5 for controlling the movement of the pulley 21. The stop position of the pulley 21 can be conveniently controlled by the locking piece 5, so that the height of the insulating barrier 3 can be conveniently controlled, and the use is more flexible and convenient.
As shown in fig. 4, the locking member 5 in this embodiment is a U-shaped plate hinged to the T-shaped connecting member 22, and the inner wall of the U-shaped plate is provided with an anti-slip layer 51. The friction between locking piece 5 and slide rail 1 can be increased in the setting of skid resistant course 51 for the locking effect is better, avoids pulley 21 to drop suddenly in the use and causes safety hazard.
The length of the insulating rod 31 in this embodiment is not less than 60 cm. The arrangement is to provide a large insulation space and ensure the safety of operators.
The sliding rail 1, the pulley 21, the T-shaped connecting member 22 and the height limiting rod 4 in this embodiment are all made of insulating materials. And the parts on the isolating device are prevented from contacting the live equipment to damage the safety of operating personnel.
In the scheme, the sliding rail 1 is vertically arranged on the transformer pole through the fixing ring 11, and the plurality of insulating barriers 3 can slide on the sliding rail 1 through the pulley block, so that the connection mode is safe, reliable and flexible; when the insulating protective screen is installed and used, the limiting block 12 is installed at one end of the sliding rail 1, then the end, provided with the limiting block 12, of the sliding rail 1 is upward, the sliding rail 1 is installed on a transformer pole through the fixing ring 11, the insulating protective screens 3 are sequentially installed on the sliding rail 1 in an upward sliding mode, then the limiting block 12 at the bottom end of the sliding rail 1 is installed, and the insulating protective screens 3 are fixed on the sliding rail 1, so that the using mode is simple and convenient; in addition, the limiting blocks 12 arranged at the two ends of the sliding rail 1 can be detached, so that the sliding rails 1 can be installed on the same transformer pole to be matched for use, and the transformer pole is more flexible and convenient to use in practical application.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The power distribution equipment interval isolation device is characterized by comprising a sliding rail (1), a pulley block arranged in the sliding rail (1) in a rolling manner, and a plurality of insulation barriers (3) with one sides detachably connected with the pulley block; be provided with on slide rail (1) and can dismantle with the transformer pole and be connected and solid fixed ring (11) of size adjustable, slide rail (1) both ends all can be dismantled and be provided with stopper (12).
2. An electrical distribution equipment spacing and isolating device according to claim 1, characterized in that said fixed ring (11) comprises a first half ring (111) and a second half ring (112), said first half ring (111) and said second half ring (112) each having one end fixedly connected to said sliding rail (1) and the other end connected by an adjusting bolt.
3. The spacing and isolating device for distribution equipment according to claim 1, wherein the pulley set comprises at least two pairs of pulley pairs (2), each pair of pulley pairs (2) comprises two pulleys (21) and a T-shaped connecting member (22), the two ends of the head of the T-shaped connecting member (22) of each pair of pulley pairs (2) are respectively fixedly connected with the two pulleys (21), and the tail of the T-shaped connecting member is detachably connected with the insulating barrier (3).
4. An electrical distribution equipment spacing and isolation device according to claim 3, characterized in that each insulation barrier (3) comprises two insulation rods (31) and an insulation plate (32) fixedly arranged between the two insulation rods (31), and the two insulation rods (31) are respectively detachably connected with the T-shaped connecting pieces (22) of the two pairs of pulley pairs (2).
5. An electrical distribution equipment spacing and isolating device according to claim 4, characterized in that the sliding rail (1) is provided with two semi-closed inner rails (13) with opposite openings, the two semi-closed inner rails (13) are matched with the T-shaped connecting piece (22), and the two pulleys (21) of each pair of pulley pairs (2) are respectively arranged in the two semi-closed inner rails (13) in a rolling manner.
6. The spacing and isolating device for the power distribution equipment is characterized in that a plurality of through holes (311) are distributed on the two insulating rods (31), and the height limiting rods (4) are detachably arranged on the plurality of through holes (311).
7. A switchgear spacing and isolation arrangement in accordance with claim 3, characterized in that a locking member (5) for controlling the movement of the pulley (21) is also provided on the T-shaped link (22).
8. The spacing and isolation device for distribution equipment according to claim 3, wherein the locking member (5) is a U-shaped plate hinged on the T-shaped connecting member (22), and the inner wall of the U-shaped plate is provided with an anti-skid layer (51).
9. An electrical distribution equipment spacing device according to claim 4, characterized in that the length of said insulating rod (31) is not less than 60 cm.
10. An electrical distribution equipment spacing and isolating device according to claim 3 or 6, characterized in that the sliding rail (1), the pulley (21), the T-shaped connecting member (22) and the height limiting rod (4) are all made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403518.1A CN112510555A (en) | 2020-12-04 | 2020-12-04 | Power distribution equipment interval isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403518.1A CN112510555A (en) | 2020-12-04 | 2020-12-04 | Power distribution equipment interval isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112510555A true CN112510555A (en) | 2021-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011403518.1A Pending CN112510555A (en) | 2020-12-04 | 2020-12-04 | Power distribution equipment interval isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112510555A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060034037A1 (en) * | 2002-05-13 | 2006-02-16 | Lammers Arend J W | Switching installation provided with an electrically insulating barrier |
| CN104836162A (en) * | 2015-05-27 | 2015-08-12 | 国网安徽省电力公司蚌埠供电公司 | Dedicated isolating and protecting wall for aerial lift truck |
| CN208142780U (en) * | 2018-04-19 | 2018-11-23 | 广东电网有限责任公司 | One kind joint use it is double draw fall isolation baffle plate device |
| CN210977015U (en) * | 2019-06-12 | 2020-07-10 | 佛山市高明安华陶瓷洁具有限公司 | Sliding device of anti-shaking sliding door |
-
2020
- 2020-12-04 CN CN202011403518.1A patent/CN112510555A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060034037A1 (en) * | 2002-05-13 | 2006-02-16 | Lammers Arend J W | Switching installation provided with an electrically insulating barrier |
| CN104836162A (en) * | 2015-05-27 | 2015-08-12 | 国网安徽省电力公司蚌埠供电公司 | Dedicated isolating and protecting wall for aerial lift truck |
| CN208142780U (en) * | 2018-04-19 | 2018-11-23 | 广东电网有限责任公司 | One kind joint use it is double draw fall isolation baffle plate device |
| CN210977015U (en) * | 2019-06-12 | 2020-07-10 | 佛山市高明安华陶瓷洁具有限公司 | Sliding device of anti-shaking sliding door |
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Application publication date: 20210316 |
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| RJ01 | Rejection of invention patent application after publication |