CN216008370U - Collapsible dismantlement cat ladder for transformer - Google Patents
Collapsible dismantlement cat ladder for transformer Download PDFInfo
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- CN216008370U CN216008370U CN202121167792.3U CN202121167792U CN216008370U CN 216008370 U CN216008370 U CN 216008370U CN 202121167792 U CN202121167792 U CN 202121167792U CN 216008370 U CN216008370 U CN 216008370U
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- cat ladder
- ladder
- ladder stand
- transformer
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- 241000282326 Felis catus Species 0.000 title claims abstract description 67
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000009194 climbing Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The application provides a collapsible dismantlement cat ladder for transformer includes: first cat ladder body, second cat ladder body, go up the stationary blade, lower stationary blade, connection piece and guard gate, first cat ladder body pass through the connection piece with the connection can be dismantled to second cat ladder body, go up stationary blade one end fixed connection transformer tank outer wall, the connection can be dismantled to the other end first cat ladder body, stationary blade one end fixed connection transformer tank outer wall down, the connection can be dismantled to the other end first cat ladder body, the guard gate hinge first cat ladder body, cat ladder installation inconvenience and traditional cat ladder climbing experience not good problem during the transformer maintenance.
Description
Technical Field
The application relates to the technical field of power transmission and transformation equipment manufacturing, especially relates to a collapsible dismantlement cat ladder for transformer.
Background
The transformer is an important electric device in the power transmission network, and needs to be periodically overhauled to ensure the operation safety of the transformer. When overhauing, the maintainer need scramble the cat ladder of installing on transformer tank and then overhauls the transformer. In current transformer cat ladder, use welding mode to go up the ladder beading on the transformer usually, this kind of cat ladder is owing to receiving environmental restriction, and often the step ladder is narrow, and the upper portion of cat ladder crosses lowly and does not have the handrail, and the lower part is again because transformer installation requirement, is not convenient for be too close ground with the cat ladder design. Therefore, in the maintenance process, potential safety hazards are easily brought to maintenance personnel due to no safety design.
SUMMERY OF THE UTILITY MODEL
The application provides a collapsible dismantlement cat ladder for transformer to the not good problem is experienced in the inconvenient and traditional cat ladder climbing of cat ladder installation when solving transformer maintenance.
A collapsible dismantling ladder for a transformer, comprising: the ladder comprises a first ladder body, a second ladder body, an upper fixing sheet, a lower fixing sheet, a connecting sheet and a protective door;
the first ladder stand body pass through the connection piece with the connection can be dismantled to the second ladder stand body, go up stationary blade one end fixed connection transformer tank outer wall, the connection can be dismantled to the other end first ladder stand body, lower stationary blade one end fixed connection transformer tank outer wall, the connection can be dismantled to the other end first ladder stand body, the guard gate hinge first ladder stand body.
Preferably, the first ladder body comprises: a first side bar and a first cross bar;
the two first side rods are parallel to each other, one end of each first cross rod is fixedly connected with one first side rod, and the other end of each first cross rod is fixedly connected with the other first side rod.
Preferably, the two first side rods are parallel to each other, one end of each first cross rod is fixedly connected with one first side rod, and the other end of each first cross rod is fixedly connected with the other first side rod;
and the two second side rods are parallel to each other, one end of the second transverse rod is fixedly connected with one second side rod, and the other end of the second transverse rod is fixedly connected with the other second side rod.
Preferably, the connecting piece is provided with a through hole which is strip-shaped, one end of the connecting piece is fixedly connected with two sides of the second ladder stand body, the other end of the connecting piece is detachably connected with the first ladder stand body through a bolt, and the bolt penetrates through the through hole and the first ladder stand body.
Preferably, the length of the upper fixing sheet is smaller than that of the lower fixing sheet.
Preferably, one end of the first side rod (11) is bent into an L shape.
According to the above technical scheme, this application provides a collapsible dismantlement cat ladder for transformer, includes: first cat ladder body, second cat ladder body, go up the stationary blade, lower stationary blade, connection piece and guard gate, first cat ladder body pass through the connection piece with the connection can be dismantled to second cat ladder body, go up stationary blade one end fixed connection transformer tank outer wall, the connection can be dismantled to the other end first cat ladder body, stationary blade one end fixed connection transformer tank outer wall down, the connection can be dismantled to the other end first cat ladder body, the guard gate hinge first cat ladder body, cat ladder installation inconvenience and traditional cat ladder climbing experience not good problem during the transformer maintenance.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a plan view of a collapsible and detachable ladder stand for a transformer;
FIG. 2 is a side view of a collapsible and collapsible ladder stand for a transformer;
FIG. 3 is a schematic view of a connecting piece.
Illustration of the drawings:
wherein, 1-the first ladder body; 2-a second ladder stand body; 3, fixing a sheet; 4-lower fixing piece; 5-connecting the sheet; 6-a protective door; 11-a first side bar; 12-a second cross bar; 21-a second side bar; 22-a second cross bar; 51-through holes.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Big-and-middle-sized transformer itself all will set up the cat ladder, so that on-the-spot installation and maintenance are maintained, the body cat ladder generally is direct welded structure, straight-up is down, both sides are angle steel or round steel, the centre is the footboard, moreover, the steam generator is simple in structure, the ladder that the limit was done to the both sides for the angle steel is more for the hand, and the ladder width is narrower, the uncomfortable climbing, the ladder is straight-up down, the climbing impression is not good, ladder upper portion is low excessively, do not have the handrail, inconvenient case lid of climbing, ladder and oil tank welding as an organic whole, the bottom is more than the oil-saving tank under the transformer, transformer on-the-spot installation back is too high apart from ground height, nevertheless if direct design is ladder bottom and ground parallel and level, be unfavorable for transformer upper oil-saving tank upright again and lay.
In the technical solution provided by the present application, please refer to fig. 1 and fig. 2, which are a plan view and a side view of a collapsible ladder stand for a transformer, and provide a collapsible ladder stand for a transformer, comprising: the ladder comprises a first ladder body 1, a second ladder body 2, an upper fixing piece 3, a lower fixing piece 4, a connecting piece 5 and a protective door 6;
first cat ladder body 1 through connection piece 5 with the connection can be dismantled to second cat ladder body 2, 3 one end fixed connection transformer tank outer walls of last stationary blade, the connection can be dismantled to the other end first cat ladder body 1, 4 one end fixed connection transformer tank outer walls of lower stationary blade, the connection can be dismantled to the other end first cat ladder body 1, guard gate 6 hinge first cat ladder body 1.
Further, the first ladder stand body 1 includes: the first side bars 11 are parallel to each other, one end of each first side bar 11 is fixedly connected to one first side bar 12, and the other end of each first side bar 11 is fixedly connected to the other first side bar 12.
The second ladder stand body 2 includes: second limit pole 21 and second horizontal pole 22, two second limit pole 21 is parallel to each other, second horizontal pole 22 one end fixed connection one second limit pole 21, the other end fixed connection is another second limit pole 21, first limit pole 11 one end is crooked into the L type.
In some embodiments, the first side rod 11 and the second side rod 21 are 1 inch thick-walled circular tubes, and the top of the circular tube is bent by 150 mm and 200mm or bent into a circular arc to form an integrated armrest, and the height of the armrest is generally 400mm higher than the height of the oil tank.
In the technical scheme provided by the application, please refer to fig. 3, which is a schematic diagram of a connecting sheet, wherein a through hole 51 is formed in the connecting sheet 5, the through hole 51 is in a strip shape, one end of the connecting sheet 5 is fixedly connected to two sides of the second ladder stand body 2, the other end of the connecting sheet is detachably connected to the first ladder stand body 1 through a bolt, the bolt penetrates through the through hole 51 and the first ladder stand body 1, and the length of the upper fixing sheet 3 is smaller than that of the lower fixing sheet 4.
In some embodiments, the first side bar 11 and the second side bar 21 may be provided with a connecting protrusion, please refer to fig. 2, the connecting protrusion is welded at a proper position, a circular hole is formed in the connecting protrusion, one end of the upper fixing plate 3 and one end of the lower fixing plate 4 are respectively welded on the outer wall of the oil tank, and the positions of the connecting protrusions are matched with the positions of the connecting protrusions welded on the first side bar 11 and the second side bar 21, so as to facilitate the installation of the first ladder body 1 and the second ladder body 2.
In the technical scheme that this application provided, the length of going up stationary blade 3 is shorter than the length of lower stationary blade, and the back has been installed with the cat ladder like this, because under the narrow width, the whole tendency oil tank that can incline of cat ladder, maintainer are when climbing the cat ladder and overhaul the transformer, and the health focus returns and is close to the cat ladder because the slope of cat ladder, is difficult for falling. The ladder stand is connected with the upper fixing plate 3 and the lower fixing plate 4 through bolts, so that the detachability of the ladder is realized.
In the technique that this application provided, first cat ladder body 1 is relatively independent structure with second cat ladder body 2, can dismantle the connection through connection piece 5, weld the one end of connection piece 5 at the tip of second limit pole 21, then at the part drilling through-hole 51 of outstanding second limit pole 21, through-hole 51 can be the strip, also can drill a plurality of independent round holes (be no less than 2) as required by the design, the other end of keeping away from the bent end at first limit pole 11 bores the connecting hole that runs through in first limit pole 11, then through the bolt through-hole 51 and the connecting hole realization first cat ladder body 1 of first cat ladder body 2 with the connection of second cat ladder body 2 on the first limit pole 11.
In practical application, two bolts are adopted respectively to the both sides of first cat ladder body 1 and are connected with second cat ladder body 2, and aim at when first cat ladder body 1 is connected with second cat ladder body 2, 4 bolts can be with whole ladder face fixed column, when needs are got up second cat ladder body 2 is folded, only need respectively dismantle a bolt from the both sides of first cat ladder body 1, form the pivot and realize folding function.
In the technical scheme that this application provided, still install guard gate 6 on first cat ladder body 1, lock when not overhauing, prevent that other personnel from climbing the cat ladder and causing danger.
To sum up, this application provides a collapsible dismantlement cat ladder for transformer, includes: first cat ladder body, second cat ladder body, go up the stationary blade, lower stationary blade, connection piece and guard gate, first cat ladder body pass through the connection piece with the connection can be dismantled to second cat ladder body, go up stationary blade one end fixed connection transformer tank outer wall, the connection can be dismantled to the other end first cat ladder body, stationary blade one end fixed connection transformer tank outer wall down, the connection can be dismantled to the other end first cat ladder body, the guard gate hinge first cat ladder body, cat ladder installation inconvenience and traditional cat ladder climbing experience not good problem during the transformer maintenance.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (5)
1. The utility model provides a transformer is with collapsible dismantlement cat ladder which characterized in that includes: the ladder comprises a first ladder body (1), a second ladder body (2), an upper fixing piece (3), a lower fixing piece (4), a connecting piece (5) and a protective door (6);
the first ladder stand body (1) is detachably connected with the second ladder stand body (2) through a connecting sheet (5), one end of the upper fixing sheet (3) is fixedly connected with the outer wall of a transformer oil tank, the other end of the upper fixing sheet is detachably connected with the first ladder stand body (1), one end of the lower fixing sheet (4) is fixedly connected with the outer wall of the transformer oil tank, the other end of the lower fixing sheet is detachably connected with the first ladder stand body (1), and the protective door (6) is hinged with the first ladder stand body (1);
the ladder is characterized in that a through hole (51) is formed in the connecting piece (5), the through hole (51) is in a strip shape, one end of the connecting piece (5) is fixedly connected with the two sides of the second ladder stand body (2), the other end of the connecting piece is detachably connected with the first ladder stand body (1) through a bolt, and the bolt penetrates through the through hole (51) and the first ladder stand body (1).
2. A collapsible ladder stand according to claim 1, characterised in that the first ladder stand body (1) comprises: a first side bar (11) and a first cross bar (12);
two first limit pole (11) are parallel to each other, first horizontal pole (12) one end fixed connection one first limit pole (11), the other end fixed connection is another first limit pole (11).
3. A collapsible ladder stand according to claim 1, characterised in that the second ladder stand body (2) comprises: a second side bar (21) and a second cross bar (22);
the two second side rods (21) are parallel to each other, one end of each second transverse rod (22) is fixedly connected with one second side rod (21), and the other end of each second transverse rod is fixedly connected with the other second side rod (21).
4. A collapsible ladder stand according to claim 1, characterised in that the upper stator (3) has a length which is smaller than the length of the lower stator (4).
5. A collapsible ladder stand according to claim 2, characterised in that the first side bar (11) is bent into an L-shape at one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167792.3U CN216008370U (en) | 2021-05-28 | 2021-05-28 | Collapsible dismantlement cat ladder for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167792.3U CN216008370U (en) | 2021-05-28 | 2021-05-28 | Collapsible dismantlement cat ladder for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008370U true CN216008370U (en) | 2022-03-11 |
Family
ID=80585280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121167792.3U Active CN216008370U (en) | 2021-05-28 | 2021-05-28 | Collapsible dismantlement cat ladder for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008370U (en) |
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2021
- 2021-05-28 CN CN202121167792.3U patent/CN216008370U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 130000 no.1743a Binxi street, Changchun Economic Development Zone, Jilin Province Patentee after: POWERCHINA CHANGCHUN GENERATING EQUIPMENT Group Ltd. Country or region after: China Address before: 130033 No. 177, Nantong Road, economic and Technological Development Zone, Changchun City, Jilin Province Patentee before: CHANGCHUN LONGYUAN ELECTRIC POWER EQUIPMENT Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |