CN205248677U - Access path - Google Patents
Access path Download PDFInfo
- Publication number
- CN205248677U CN205248677U CN201521104382.9U CN201521104382U CN205248677U CN 205248677 U CN205248677 U CN 205248677U CN 201521104382 U CN201521104382 U CN 201521104382U CN 205248677 U CN205248677 U CN 205248677U
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- China
- Prior art keywords
- cat ladder
- window
- cover plate
- access path
- inspection platform
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Abstract
The utility model discloses an access path, a serial communication port, it is including cat ladder, a plurality of maintenance platform, a plurality of it is parallel distribution from top to bottom to examine and repair the platform, be provided with the window on the maintenance platform, still be provided with on the maintenance platform and be used for covering the slidable of window apron, adjacent two the maintenance platform passes through the cat ladder is connected. The utility model discloses the beneficial effect who reaches: (1 )Change of current valve tower is inside to have set up access path, makes things convenient for the maintenance in later stage to maintain, (2 )Fortune dimension personnel utilize the window on cat ladder and the maintenance platform to remove between different valve layers, and the high altitude need not be faced in the inside completion of change of current valve tower to all operations, and no fear is safer, (3 )The maintenance cat ladder is hand -carried, after the maintenance finishes, directly takes valve tower down, can not influence the coil side separator of valve tower, also can not increase the long -term heavy burden of valve tower in service.
Description
Technical field
The utility model relates to a kind of access path, belongs to electrical equipment technical field.
Background technology
Converter valve tower is the component units of high-voltage large-capacity DC converter, is a kind of large scale electrical power unit. Single valve tower is a double valve or quadruple valve, is conventionally made up of multiple valve layers of stacked on top of one another and top radome and end radome. Because of valve tower height degree and voltage levvl high, at present valve tower is all to adopt sus-pension to be suspended in the valve Room, the valve tower bottom road clearance is large, and distance between valve tower inner valve layer is also larger. Therefore, in the time that designing, converter valve tower should take into full account convenience and the security of later stage repair and maintenance.
The Maintenance and Repair of converter valve tower at present mainly contain two kinds of modes, one is that valve tower inside is without access path, utilize lift truck that O&M personnel are increased to the position that valve tower need to overhaul, the maintenance of valve tower ancillary equipment completes on lift truck, the maintenance of valve tower internal unit needs O&M personnel from lift truck, to transfer in valve tower to complete, owing to there is no special access path, O&M personnel do not have good foothold in valve tower, the maintenance of different valve layers also need to be shifted back and forth between lift truck and valve tower, not only be not easy to maintenance, security also cannot ensure, another kind of for be provided with access path in valve tower inside, end at access path is provided with window, on the limit of window, be also provided with regularly insulating ladder, insulating ladder is arranged on the metal busbar at valve tower edge, maintainer can pass by insulating ladder the window of access path end, realize and moving between upper and lower different valve layer access path, greatly improve the convenience of O&M personnel work, but insulating ladder is to be fixedly mounted on valve tower, in the time that designing, valve tower need to take into full account the electrical Interference problem of cat ladder to valve tower, for example can shorten the creep age distance between upper and lower valve layer, cat ladder not converter valve itself moves necessary parts, is fixedly mounted on valve tower, the long-term heavy burden also can increase the operation of valve tower time, in addition, work on inspection platform in order not affect maintainer, and convenient fixing, maintenance cat ladder is to be all fixed on the interlayer metal busbar at valve tower edge, can cause like this O&M personnel to move on cat ladder time, directly in the face of high-altitude, there is fear at heart, also have security risk.
Utility model content
The purpose of this utility model is to overcome the defect that prior art exists, and proposes a kind of access path of power equipment internal proprietary.
The utility model adopts following technical scheme: a kind of access path, it is characterized in that, comprise cat ladder, multiple inspection platform, multiple described inspection platforms are upper and lower parallel distribution, on described inspection platform, be provided with window, on described inspection platform, be also provided with the slidably cover plate for covering described window, two adjacent described inspection platforms are connected by described cat ladder.
Preferably, inspection platform comprises girder, crossbeam, and girder and crossbeam are fixedly connected, and between adjacent crossbeam, is provided with crosspiece.
Preferably, slidably the both sides of cover plate are provided with two tracks, and track is installed on respectively the both sides of inspection platform, and the two ends of track are provided with alignment pin, are used for limiting slidably cover plate sliding scale in orbit; Slidably on cover plate, be also provided with fixture, be used for being fixed in the time that slidably cover plate slides into assigned address.
Preferably, slidably cover plate area is in the horizontal direction more than or equal to window area in the horizontal direction.
Preferably, cat ladder comprises cross bar, expansion link, and cross bar is fixedly connected with expansion link; The top of cat ladder is provided with hook, is placed in a side of window, is used for the upper end of cat ladder to fix.
Preferably, the window on multiple inspection platforms is opened in identical position or different positions.
The beneficial effect that the utility model reaches: (1) converter valve tower inside is provided with access path, facilitates the repair and maintenance in later stage; (2) O&M personnel utilize the window on cat ladder and inspection platform to move at different valve interlayers, and all operations completes in converter valve tower inside, need not face high-altitude, without fear, safer; (3) maintenance cat ladder is carried, and after maintenance, is directly with lower valve tower, can not affect the layer insulation of valve tower, also can not increase the long-term heavy burden of valve tower in service.
Brief description of the drawings
Fig. 1 is the structural representation of the window of inspection platform of the present utility model while opening.
Fig. 2 is the structural representation of the window of inspection platform of the present utility model while covering.
Fig. 3 is the structural representation of cat ladder of the present utility model while opening.
Fig. 4 is the structural representation after cat ladder of the present utility model shrinks.
Fig. 5 is the structural representation of a kind of embodiment of the present utility model;
Fig. 6 is the structural representation of another kind of embodiment of the present utility model;
Fig. 7 is the structural representation of a kind of embodiment of the track of slidably cover plate of the present utility model;
Fig. 8 is the structural representation of a kind of embodiment of slidably cover plate of the present utility model.
The implication of mark in figure: 1-crossbeam, 2-window, 3-girder, 4-crosspiece, 5-be cover plate, 6-track, 7-hook, 8-expansion link, 9-cross bar, 10-inspection platform one, 11-inspection platform two, 12-cat ladder, 13-alignment pin, 14-fixture slidably.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described. Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
Fig. 1 is the structural representation of the window of inspection platform of the present utility model while opening, Fig. 2 is the structural representation of the window of inspection platform of the present utility model while covering, inspection platform is made up of two girders 3, four crossbeams 1 and many crosspieces 4, crossbeam 1 and crosspiece 4 are installed between two girders 3, be uniformly distributed, crossbeam 1 is for suspending whole inspection platform in midair. On inspection platform, reserve window 2, a track 6 is also installed on the every crossbeam 3 of inspection platform, the both sides of every track are provided with alignment pin 13, article two, between track 6, be provided with slidably cover plate 5, cover plate 5 can slide on track 6, limits the slidably slidably scope of cover plate 5 by alignment pin 13, and slidably a side of cover plate 5 is provided with fixture 14, in the time that needs are fixed, fixture 14 is inserted between two crosspieces 4, limit the slidably movement of cover plate 5. Slidably cover plate 5 has two kinds of duties, and accompanying drawing 1 is a kind of duty open mode wherein, and slidably cover plate 5 slides into a side and exposes window 2; Accompanying drawing 2 is another kind of duty closed condition, and slidably cover plate 5 slides into opposite side, covers in window 2.
Fig. 3 is the structural representation of cat ladder of the present utility model while opening, Fig. 4 is the structural representation after cat ladder of the present utility model shrinks, cat ladder 12 is made up of the hook 7 at two expansion links 8, six roots of sensation crossbeam 9 and top, expansion link 8 is collapsible or elongate the demand that cat ladder length shortens or elongated adaptation is different that makes, and hook 7 is for fixing cat ladder. Cat ladder 12 in accompanying drawing 3 is in extended configuration, 12 of cat ladders are convenient to operations staff upper and lower between adjacent inspection platform between adjacent inspection platform, and the cat ladder 12 in accompanying drawing 4 is in contraction state, shrink the length of having dwindled cat ladder 12 by expansion link 8, be convenient to operations staff and carry.
Fig. 5 is the structural representation of a kind of embodiment of the present utility model; Two adjacent inspection platforms 1, inspection platforms 2 11 are arranged in parallel up and down, and the reserved window position of inspection platform 1, inspection platform 2 11 is identical, on same vertical axis. O&M personnel, in the time of maintenance, can slide into closed condition by the slidably cover plate 5 of inspection platform 2 11 lower floor's inspection platforms, cover in window 2, ensure the security of service work. Need to move between neighbouring inspection platform time, cat ladder 12 is taken out to expansion, the hook 7 at top is hung on the crossbeam 1 or crosspiece 4 of window 2 one sides of inspection platform one 10 upper strata inspection platforms, bottom withstands on the crossbeam 1 or crosspiece 4 of inspection platform 2 11 lower floor's inspection platforms, cat ladder 12 has a certain degree with inspection platform 2 11 lower floor's inspection platform shapes, facilitate O&M personnel climbing, upper to inspection platform one 10 upper strata inspection platforms, cat ladder can be packed up, move slidably cover plate 5 to duty and cover in window 2, upper layer device is overhauled.
Fig. 6 is the structural representation of another kind of embodiment of the present utility model, and two adjacent inspection platforms 1, inspection platforms 2 11 are arranged in parallel up and down, and the location dislocation of the reserved window 2 of inspection platform 1, inspection platform 2 11, on same vertical axis. O&M personnel, in the time of maintenance, can slide into closed condition by the slidably cover plate 5 of inspection platform 2 11 lower floor's inspection platforms, cover in window 2, facilitate personnel to walk, and ensure the security of service work. need to be at neighbouring inspection platform 1, while movement between inspection platform 2 11, cat ladder 12 is taken out to expansion, the hook 7 at top is hung on the crossbeam 1 or crosspiece 4 of inspection platform one 10 upper strata inspection platform window 2 one sides, bottom withstands on the crossbeam 1 or crosspiece 4 of inspection platform 2 11 lower floor's inspection platforms, cat ladder 12 has a certain degree with inspection platform 2 11 lower floor's inspection platform shapes, facilitate O&M personnel climbing, climb to inspection platform one 10 upper strata inspection platforms, cat ladder 12 can be packed up, slidably cover plate 5 to the closed condition of traveling overhaul platform one 10 upper strata inspection platforms covers in window 2, upper layer device is overhauled.
The position difference of the reserved window 2 of inspection platform 1, inspection platform 2 11 on vertical curve, the window 2 that can prevent multilayer inspection platform all in the time of open mode, when the maintainer of the Fa Ta the superiors or equipment drop from window 2, the multilayer of falling.
Fig. 7 is the structural representation of a kind of embodiment of the track of slidably cover plate of the present utility model, Fig. 8 is the structural representation of a kind of embodiment of slidably cover plate of the present utility model, slidably the both sides of cover plate 5 are provided with two tracks 6, track 6 is installed on respectively the both sides of inspection platform, the two ends of track 6 are provided with alignment pin 13, are used for limiting the slidably sliding scale of cover plate 5 on track 6; Slidably on cover plate 5, be also provided with fixture 14, be used for being fixed in the time that slidably cover plate 5 slides into assigned address.
Inspection platform adopts insulation, fire proofing to make, and cat ladder 12 adopts insulation or non-insulating material to make.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. an access path, it is characterized in that, comprise cat ladder (12), multiple inspection platform, multiple described inspection platforms are upper and lower parallel distribution, on described inspection platform, be provided with window (2), on described inspection platform, be also provided with the slidably cover plate (5) for covering described window (2), two adjacent described inspection platforms are connected by described cat ladder (12).
2. a kind of access path according to claim 1, it is characterized in that, described inspection platform comprises girder (3), crossbeam (1), and described girder (3) is fixedly connected with described crossbeam (1), between adjacent described crossbeam (1), is provided with crosspiece (4).
3. a kind of access path according to claim 1, it is characterized in that, the both sides of described slidably cover plate (5) are provided with two tracks (6), described track (6) is installed on respectively the both sides of described inspection platform, the two ends of described track (6) are provided with alignment pin (13), are used for limiting the slidably sliding scale of cover plate (5) on track (6); On described slidably cover plate (5), be also provided with fixture (14), be used for being fixed in the time that described slidably cover plate (5) slides into assigned address.
4. a kind of access path according to claim 3, is characterized in that, described slidably cover plate (5) area is in the horizontal direction more than or equal to described window (2) area in the horizontal direction.
5. a kind of access path according to claim 1, is characterized in that, described cat ladder (12) comprises cross bar (9), expansion link (8), and described cross bar (9) is fixedly connected with described expansion link (8); The top of described cat ladder (12) is provided with hook (7), and described hook (7) is placed in a side of described window (2), is used for the upper end of described cat ladder (12) to fix.
6. a kind of access path according to claim 1, is characterized in that, the window (2) on multiple described inspection platforms is opened in identical position or different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104382.9U CN205248677U (en) | 2015-12-25 | 2015-12-25 | Access path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104382.9U CN205248677U (en) | 2015-12-25 | 2015-12-25 | Access path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248677U true CN205248677U (en) | 2016-05-18 |
Family
ID=55947750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104382.9U Active CN205248677U (en) | 2015-12-25 | 2015-12-25 | Access path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248677U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591306A (en) * | 2015-12-25 | 2016-05-18 | 南京南瑞继保电气有限公司 | Inspection gallery |
| CN108194281A (en) * | 2017-12-29 | 2018-06-22 | 龙源（北京）风电工程技术有限公司 | A kind of platform cover board arrangement and the tower frame for wind generating set and Wind turbines for including it |
| CN110725701A (en) * | 2019-11-01 | 2020-01-24 | 中铁二十二局集团有限公司 | Efficient and safe over-bracing lining trolley for construction |
-
2015
- 2015-12-25 CN CN201521104382.9U patent/CN205248677U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591306A (en) * | 2015-12-25 | 2016-05-18 | 南京南瑞继保电气有限公司 | Inspection gallery |
| CN108194281A (en) * | 2017-12-29 | 2018-06-22 | 龙源（北京）风电工程技术有限公司 | A kind of platform cover board arrangement and the tower frame for wind generating set and Wind turbines for including it |
| CN110725701A (en) * | 2019-11-01 | 2020-01-24 | 中铁二十二局集团有限公司 | Efficient and safe over-bracing lining trolley for construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |