CN111478215A - Maintenance platform for safety operation of isolating switch - Google Patents
Maintenance platform for safety operation of isolating switch Download PDFInfo
- Publication number
- CN111478215A CN111478215A CN202010446244.8A CN202010446244A CN111478215A CN 111478215 A CN111478215 A CN 111478215A CN 202010446244 A CN202010446244 A CN 202010446244A CN 111478215 A CN111478215 A CN 111478215A
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- fixed
- support
- platform
- sliding block
- safety operation
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- 238000012423 maintenance Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 241000282326 Felis catus Species 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000009194 climbing Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a maintenance platform for safe operation of an isolating switch, which relates to the field of maintenance operation of an electric power system, and is characterized in that a fixed base and a lifting platform are arranged; the fixed base comprises a bracket and a positioning mechanism; the support is a platform frame structure with fixed support legs at the bottom; the positioning mechanism comprises a fastening stud, a sliding block and a hook arm; the fastening stud is arranged on the fixed supporting leg in a penetrating way; the slide block is positioned at the bottom of the fastening stud; the sliding block moves up and down on the fixed supporting leg in the sliding groove; one end of the hook arm is hinged with the sliding block, and the other end of the hook arm is hooked with the fixed channel steel at the lower part of the isolating switch for limiting, so that the bracket is positioned and installed on the fixed channel steel; the lifting platform is positioned on the bracket. By arranging the fixed base and the lifting platform, a scaffold or a climbing vehicle does not need to be additionally erected, so that the maintenance of workers is facilitated; meanwhile, the device is simple in structure, convenient and fast to install and operate, capable of greatly improving working efficiency, reusable, economical and practical.
Description
Technical Field
The invention relates to the field of maintenance operation of an electric power system, in particular to a maintenance platform for safe operation of an isolating switch.
Background
The GW7 type disconnecting switch is a disconnecting switch used for 220kV voltage class, the height of a conductive loop at the upper end of the disconnecting switch from a supporting channel steel at the lower end of the disconnecting switch exceeds 2.5 meters, meanwhile, the height of the channel steel from the ground also exceeds 2 meters, the total height of the conductive loop exceeds 4.5 meters, the overheating of the conductive loop and the like are common faults of a switch blade, and great safety risk and difficulty are caused to the overhaul of the conductive loop.
At present, two methods are generally adopted, namely, a scaffold is erected from the ground, at least three layers are needed, the scaffold needs to be dismantled and reinstalled when a work place is transferred, and the use is inconvenient; and secondly, the climbing vehicle is used, is limited by the operation range and the safety distance, and is often required to accompany and stop a nearby line, so that the power failure range is expanded, and the maintenance cost is increased. Thus, both of these approaches suffer from varying degrees of inadequacies.
Based on the situation, at present, an overhaul platform which can be used for safe operation of a GW7 type disconnecting switch is urgently needed, and overhaul convenience and economical efficiency of the disconnecting switch are improved.
Disclosure of Invention
The invention aims to provide an overhaul platform for safe operation of an isolating switch, and aims to improve overhaul convenience and economy of the isolating switch.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an overhaul platform for safe operation of an isolating switch comprises a fixed base and a lifting platform;
the fixed base comprises a bracket and a positioning mechanism; the support is a platform frame structure with fixed support legs at the bottom; the positioning mechanism comprises a fastening stud, a sliding block and a hook arm; the fastening stud penetrates through the fixed supporting leg; the sliding block is positioned at the bottom of the fastening stud; the sliding block moves up and down on the fixed supporting leg in the sliding groove; one end of the hook arm is hinged with the sliding block, and the other end of the hook arm is hooked with a fixed channel steel at the lower part of the isolating switch for limiting, so that the bracket is positioned and installed on the fixed channel steel;
the lifting platform is positioned on the bracket.
As a further improvement of the invention, the support is a frame structure of a square platform.
As a further improvement of the invention, the fixed support legs at the two ends of the support along the length direction are respectively provided with a hook arm corresponding to the support arm at the lower end of the fixed channel steel.
As a further improvement of the invention, four corners of the support are respectively provided with a fixed leg, and the fixed legs are of a rectangular tubular structure with an opening structure at the inner side.
As a further improvement of the invention, four support blocks are arranged on the sliding block; wherein, the three support blocks also move up and down in the sliding groove in a limiting way; the other support block is hinged with the hook arm.
As a further improvement of the invention, the upper end of the fastening stud penetrates through the upper end of the fixed leg and extends outwards to be connected with the handle, and the lower end of the fastening stud penetrates through the sliding block and extends outwards to be connected with the blocking piece.
As a further improvement of the invention, the lifting platform is detachably and fixedly connected to the bracket.
As a further improvement of the invention, the lifting platform is a frame structure supported by a square pipe lifting bracket; wherein, with a pair of hook arms at a planar direction level fixed two epoxy square tubular horizontal poles, be used as the fixed cat ladder with step on the platform, three sides set up a horizontal pole respectively in the middle of in addition and do the fixed.
As a further improvement of the invention, a fixed flat plate at the top of the upright post of the frame structure is used as a working platform, and a rotatable protective lantern ring is arranged upwards at the upper part of the fixed flat plate; the top is fixedly provided with a safety belt hanging ring.
Compared with the prior art, the invention has the beneficial effects that:
by arranging the fixed base and the lifting platform, a scaffold or a climbing vehicle does not need to be additionally erected, so that the maintenance of workers is facilitated; meanwhile, the device is simple in structure, convenient and fast to install and operate, capable of greatly improving working efficiency, reusable, economical and practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front elevational view of the present invention in use;
FIG. 3 is a schematic view of the elevated platform structure of the present invention;
FIG. 4 is a schematic structural view of a fixing base according to the present invention;
FIG. 5 is a schematic structural diagram of the positioning mechanism of the present invention;
FIG. 6 is a force diagram of the positioning mechanism of the present invention;
the reference numbers in the figures illustrate:
1. a fixed base; 11. a support; 111. fixing the supporting legs; 1111. a chute; 12. a positioning mechanism; 121. fastening a stud; 122. a slider; 1221. supporting a block; 123. a hook arm; 1231. hooking a finger; 1232. a connecting arm; 2. raising the platform; 21. a protective collar; 22. a suspension ring; 3. fixing channel steel; 4. a handle; 5. a baffle plate; .
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1 to 6, the invention provides an overhaul platform for safety operation of an isolating switch, aiming at improving overhaul convenience and economy of the isolating switch.
Specifically, the device comprises a fixed base 1 and a lifting platform 2;
the fixed base 1 comprises a bracket 11 and a positioning mechanism 12; the support 11 is a platform frame structure with fixed support legs 111 at the bottom; the positioning mechanism 12 comprises a fastening stud 121, a slider 122 and a hook arm 123; the fastening stud 121 is arranged on the fixed leg 111 in a penetrating manner; the sliding block 122 is positioned at the bottom of the fastening stud 11; the sliding block 122 moves up and down in the sliding groove 1111 at the fixed leg 111; one end of the hook arm 123 is hinged to the slider 122, and the other end of the hook arm is hooked to the fixing channel steel 3 at the lower part of the isolating switch for limiting, so that the bracket 11 is positioned and mounted on the fixing channel steel 3;
the lifting platform 2 is positioned on the bracket 11.
By arranging the fixed base 1 and the lifting platform 2, a scaffold or a climbing vehicle does not need to be additionally erected, so that the maintenance of workers is facilitated; meanwhile, the device is simple in structure, convenient and fast to install and operate, capable of greatly improving working efficiency, reusable, economical and practical.
Further, the support 11 is a frame structure of a square platform.
Further, the fixed support legs 111 at the two ends of the support 11 along the length direction are provided with hook arms 123 corresponding to the support arms at the lower end of the fixed channel steel 3 respectively.
It should be noted that, the fixed channel steel 3 of the GW7 type isolation switch is set up relatively for the opening of two channel steels, and the support arm of the fixed channel steel 3 is set up horizontally, and a certain distance is left in the middle, and the front ends of the two hook arms 123 arranged relatively hook on the lower legs of the two channel steels through the hook fingers 1231.
Preferably, four corners of the bracket 11 are provided with fixed legs 111, and the fixed legs 111 are of a rectangular tubular structure with an open structure on the inner side.
Furthermore, four supporting blocks 1221 are disposed on the sliding block 122.
Preferably, the sliding block 122 is a cross-shaped plate-shaped structure; wherein, the three supporting blocks 1221 also move up and down in the sliding slot 1111; the other leg 1221 is hinged to the hook arm 123.
Specifically, the upper axial end of the fixed leg 111 of the bracket 11 is connected to the lifting platform 2, three outer sides of the bracket 11 are grooved, three sides of the slider 122 are provided with cylindrical support blocks 1221 which can freely slide in the sliding grooves 1111, and one inner side of the slider is fixed to a rotating shaft connected to the hook arm 123.
Further, the upper end of the fastening stud 121 passes through the upper end of the fixed leg 111 and extends outwards to be connected with the handle 4, and the lower end passes through the slider 122 and extends outwards to be connected with the blocking piece 5.
Further, the hook arm 123 includes a hook finger 1231 and a connecting arm 1232; one end of the connecting arm 1232 is rotatably connected to the support block 1221, and is configured to axially rotate around the support block 1221; the other end of the connecting arm 1232 is rotatably connected to the hook finger 1231, so that the hook finger 1231 can rotate on the cross section of the fixing channel 3.
Preferably, the hook finger 1231 is an L-shaped hook structure, and the front end of the hook finger 1231 is matched with the two support arms of the fixing channel steel 3 in size, so that the connecting rod part of the hook finger 1231 can be vertically clamped with the support arm at the lower end of the fixing channel steel 3.
The center of the sliding block 122 is provided with a hole, the lower part of the fastening stud 11 passes through the hole and is welded and fixed with the baffle 5, and the sliding block 122 is dragged to slide upwards; the slider 122 another side links to each other with hook arm 123 through the pivot, and the hook arm 123 other end links to each other with hook finger 1231 through the pivot, and this structure can be through slider 122 upward movement with vertical ascending fastening force transform into horizontal backward pulling force to make hook finger 1231 collude the channel-section steel leg tightly.
Further, the lifting platform 2 is detachably and fixedly connected to the bracket 11.
Furthermore, the lifting platform 2 is a frame structure supported by a lifting support made of an epoxy resin square tube with the length of 0.8 m; two epoxy resin square tube cross bars are horizontally fixed with the pair of hook arms 123 in the direction of a plane and used as a ladder stand for fixing and climbing a platform, and the other three sides are respectively provided with a cross bar in the middle for fixing, so that angle iron is selected, materials are saved, and the weight is reduced.
Further, a flat plate is fixed on the top of the upright column to serve as a working platform, square angle iron with the height of 0.8 meter is fixed on the upper portion of the upright column upwards, a rotatable protective lantern ring 21 is fixed on the upper portion of the upright column to protect operators from toppling over, and a safety belt hanging ring 22 is fixed to serve as a hanging safety belt.
Furthermore, the protection lantern ring 21 is inserted and rotatably connected to the angle iron of the lifting platform 2, so that the protection lantern ring can rotate to facilitate the entering and exiting of operators, and the protection lantern ring plays a role in protecting the operators.
When the upper conductive loop of the GW7 type disconnecting switch is overhauled, the device is moved to the upper portion of a channel steel, four hook fingers 1231 on a base are hooked on legs of the channel steel, four fixing bolts are screwed to ensure that the four hook fingers 1231 are hooked tightly, the platform is shaken left and right to ensure that the device is fixed reliably, an operator climbs the channel steel to the operation platform through a crawling ladder, a protection lantern ring 21 is put down to cover the body of the operator, and a safety belt is hung on a safety belt hanging ring 22 to carry out operation. This device simple structure, the installation simple operation to improved work efficiency greatly, but reuse, economical and practical, portable, management, space utilization is high, design benefit uses in a flexible way, reasonable in design, compact structure has fine market prospect.
It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides an inspection platform of isolator safety work which characterized in that: comprises a fixed base and a lifting platform;
the fixed base comprises a bracket and a positioning mechanism; the support is a platform frame structure with fixed support legs at the bottom; the positioning mechanism comprises a fastening stud, a sliding block and a hook arm; the fastening stud penetrates through the fixed supporting leg; the sliding block is positioned at the bottom of the fastening stud; the sliding block moves up and down on the fixed supporting leg in the sliding groove; one end of the hook arm is hinged with the sliding block, and the other end of the hook arm is hooked with a fixed channel steel at the lower part of the isolating switch for limiting, so that the bracket is positioned and installed on the fixed channel steel;
the lifting platform is positioned on the bracket.
2. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: the support is a frame structure of a square platform.
3. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: the fixed landing leg at support edge length direction both ends all be equipped with the hook arm that fixed channel-section steel lower extreme support arm corresponds respectively.
4. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: four corners of the support are provided with fixed support legs, and the inner sides of the fixed support legs are of rectangular tubular structures with opening structures.
5. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: four supporting blocks are arranged on the sliding block; wherein, the three support blocks also move up and down in the sliding groove in a limiting way; the other support block is hinged with the hook arm.
6. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: the upper end of the fastening stud penetrates through the upper end of the fixed supporting leg and extends outwards to be connected with the handle, and the lower end of the fastening stud penetrates through the sliding block and extends outwards to be connected with the blocking piece.
7. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: the lifting platform is detachably and fixedly connected to the support.
8. The disconnecting switch safety operation overhaul platform according to claim 1, wherein: the lifting platform is a frame structure supported by a square pipe lifting support; wherein, with a pair of hook arms at a planar direction level fixed two epoxy square tubular horizontal poles, be used as the fixed cat ladder with step on the platform, three sides set up a horizontal pole respectively in the middle of in addition and do the fixed.
9. The disconnecting switch safety operation overhaul platform according to claim 8, wherein: a flat plate is fixed at the top of the upright post of the frame structure to serve as a working platform, and a rotatable protective lantern ring is arranged upwards at the upper part of the flat plate; the top is fixedly provided with a safety belt hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446244.8A CN111478215A (en) | 2020-05-25 | 2020-05-25 | Maintenance platform for safety operation of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446244.8A CN111478215A (en) | 2020-05-25 | 2020-05-25 | Maintenance platform for safety operation of isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN111478215A true CN111478215A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010446244.8A Pending CN111478215A (en) | 2020-05-25 | 2020-05-25 | Maintenance platform for safety operation of isolating switch |
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| CN (1) | CN111478215A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854706A (en) * | 2021-01-25 | 2021-05-28 | 王一雯 | Novel lift for building |
-
2020
- 2020-05-25 CN CN202010446244.8A patent/CN111478215A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854706A (en) * | 2021-01-25 | 2021-05-28 | 王一雯 | Novel lift for building |
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