CN114075920A - Folding ladder for outdoor power supply maintenance in rainy days - Google Patents
Folding ladder for outdoor power supply maintenance in rainy days Download PDFInfo
- Publication number
- CN114075920A CN114075920A CN202111176887.6A CN202111176887A CN114075920A CN 114075920 A CN114075920 A CN 114075920A CN 202111176887 A CN202111176887 A CN 202111176887A CN 114075920 A CN114075920 A CN 114075920A
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- Prior art keywords
- power supply
- positioning
- outdoor power
- folding ladder
- fixedly connected
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
- E06C1/393—Ladders having platforms foldable with the ladder
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a folding ladder for outdoor power supply maintenance in rainy days, which comprises: the mounting plate is a telescopic placing piece; the two groups of U-shaped plates are symmetrically fixed on two sides of the bottom of the mounting plate; two ends of the two supporting frames are respectively connected in the two groups of U-shaped plates in a rotating mode. The folding ladder for the outdoor power supply maintenance in rainy days, provided by the invention, is provided with the telescopic placing part and the matched rotating positioning part arranged on the top plate, when in rainy days, the telescopic placing part can be rotated to ninety degrees to be vertical to the top plate, then the umbrella handle of rainwater and the trunk part of the umbrella can be correspondingly inserted into the positioning cavity at the top of the telescopic rod, rainwater can be shielded through the umbrella, the folding ladder is not required to be held by a person and is convenient to maintain, the height of the telescopic rod can be adjusted according to the height of an maintainer, so that the height of the umbrella is adjusted, the folding ladder is suitable for being used by workers with different heights, and is more convenient.
Description
Technical Field
The invention relates to the field of auxiliary equipment for power supply maintenance, in particular to a folding ladder for outdoor power supply maintenance in rainy days.
Background
The maintenance of the power equipment comprises the operation and fault treatment of a power capacitor, a transformer, a breaker, a disconnecting switch, a reactor, a mutual inductor, a power transmission line and an insulator, the fault treatment of a power transformation and distribution substation and the like.
In which for outdoor power maintenance work, it is usually necessary to ascend with a ladder for treatment.
When carrying out electric power maintenance work in the open air, the weather of rainy can be arrived to unavoidable, to the unable staff of equipment of ascending a height such as the present ladder of rainy weather sheltering from rain, the staff needs handheld umbrella or wears the raincoat operation of drenching with the rain, handheld umbrella, and the maintenance operation is inconvenient, wears the raincoat and influences the field of vision etc. of during operation equally easily, and the same operation is inconvenient.
Therefore, it is necessary to provide a folding ladder for outdoor power supply maintenance in rainy days to solve the above technical problems.
Disclosure of Invention
The invention provides a folding ladder for outdoor power supply maintenance in rainy days, which solves the problem that the existing climbing equipment such as ladders cannot shield rain when power equipment is overhauled outdoors in rainy days.
In order to solve the technical problem, the folding ladder for outdoor power supply and maintenance in rainy days provided by the invention comprises: mounting a plate;
the two groups of U-shaped plates are symmetrically fixed on two sides of the bottom of the mounting plate;
two ends of the two support frames are respectively and rotatably connected to the insides of the two groups of U-shaped plates;
the adjacent folding frames are connected through a connecting piece, and one side of the folding frame positioned at the lowest side is fixedly connected to the top of the mounting plate;
the top plate is fixed at the top of the folding frame;
the telescopic placing piece is fixed at the top of the top plate through a rotating positioning piece, the telescopic placing piece comprises an external mounting cylinder, a telescopic rod is arranged inside the external mounting cylinder, a positioning cavity is formed in the top of the telescopic rod, a plurality of limiting holes are formed in the telescopic rod, a first nut fixedly connected with is embedded in one side of the external mounting cylinder, a positioning shaft is connected to the inner thread of the first nut, and one end of the positioning shaft extends to the inside of the external mounting cylinder.
Preferably, the rotating positioning piece comprises two fixing blocks, a supporting shaft is fixedly connected between the two fixing blocks, a rotating block is sleeved on the surface of the supporting shaft, and a fixing groove is formed in the upper side of the inside of the rotating block.
Preferably, the upper side of the surface of the supporting shaft is fixedly connected with a positioning block, and one side of the rotating block is provided with a side hole matched with the positioning block in size.
Preferably, the folding leg includes upper bar, downside pole and well core rod, the both sides on upper bar and downside pole surface all rotate and are connected with the linking arm, the one end of linking arm with well core rod's surface is rotated and is connected.
Preferably, two first positioning holes are symmetrically formed in the outer side of the connecting arm on the upper side rod, and the first magnetic block fixedly connected is embedded between the two first positioning holes and the outer side of the connecting arm on the upper side rod.
Preferably, a second positioning hole is formed in one end of the outer side of the connecting arm, and a second magnetic block fixedly connected with the outer side of the connecting arm and located on one side of the second positioning hole is embedded in the connecting arm.
Preferably, the connecting piece includes the adapter sleeve, adjacent setting is located to the adapter sleeve between upper bar and the lower side pole in the folding leg, fixedly connected with second nut is inlayed to one side symmetry of adapter sleeve, the inside threaded connection of second nut has spacing axle, the one end of spacing axle is provided with star type and drives the handle.
Preferably, the upper side rod and the lower side rod are both provided with a vertical through hole and a horizontal through hole, and the vertical through hole and the horizontal through hole are formed at ninety degrees.
Preferably, one side of linking arm is provided with the mounting, the mounting is including connecting the rope, it is fixed in one side of linking arm to connect the rope, the one end fixedly connected with bar piece of connecting the rope, the spacing axle of one side symmetry fixedly connected with of bar piece.
Preferably, one side of the U-shaped plate is fixedly connected with a positioning plate, and the two sides of the top of the mounting plate are rotatably connected with handles.
Compared with the prior art, the folding ladder for the outdoor power supply maintenance in rainy days has the following beneficial effects:
the invention provides a folding ladder for outdoor power supply maintenance in rainy days, which is characterized in that a telescopic placing part is arranged on a top plate in a matching way, and a rotating positioning part is matched, so that the telescopic placing part can be rotated to ninety degrees to be vertical to the top plate in rainy days, then an umbrella handle of rainwater and a trunk part of an umbrella can be correspondingly inserted into a positioning cavity at the top of a telescopic rod, rainwater can be shielded through the umbrella, the folding ladder is not required to be held by a person and is convenient to maintain, the height of the telescopic rod can be adjusted according to the height of an maintainer, so that the height of the umbrella is adjusted, the folding ladder is suitable for being used by workers with different heights, is more convenient, and when the folding ladder is not used, the umbrella can be taken down, the telescopic placing part is laid down, the size is reduced, and the folding ladder is convenient to carry and store.
Drawings
Fig. 1 is a schematic structural view of a folding ladder for outdoor power supply and maintenance in rainy days according to a preferred embodiment of the invention;
FIG. 2 is a top view of the ensemble shown in FIG. 1;
FIG. 3 is a schematic view of the folding stand shown in FIG. 1;
FIG. 4 is a cross-sectional view of the telescoping parking element shown in FIG. 1;
FIG. 5 is a cross-sectional view of the connector shown in FIG. 1;
FIG. 6 is a cross-sectional view of the rotary positioning member shown in FIG. 1;
FIG. 7 is a cross-sectional view of the extension pole shown in FIG. 1;
fig. 8 is a top view of the latch of fig. 1.
Reference numbers in the figures: 1. a mounting plate 2, a U-shaped plate 3 and a support frame,
4. a folding frame 41, an upper side rod 42, a lower side rod 43, a central rod 44, a connecting arm 45, a first positioning hole 46, a second positioning hole 47, a first magnetic block 48, a second magnetic block,
5. a telescopic placing piece 51, an external mounting cylinder 52, a first nut 53, a positioning shaft 54, a telescopic rod 55, a positioning cavity 56 and a limiting hole,
6. a connecting piece 61, a connecting sleeve 62, a second nut 63 and a fixed shaft,
7. a rotary positioning piece 71, a fixed block 72, a support shaft 73, a positioning block 74, a rotary block 75, a fixed groove 76 and a side hole,
8. a fixing piece 81, a connecting rope 82, a strip-shaped block 83 and a limit shaft,
9. a top plate 10, a handle 11, a vertical through hole 12, a horizontal through hole 13 and a positioning plate,
14. adjustable latch member 141, runner 142, guide rail 143, lock catch 144, lantern ring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a folding ladder for outdoor power supply maintenance in rainy days according to a preferred embodiment of the present invention; FIG. 2 is a top view of the ensemble shown in FIG. 1; FIG. 3 is a schematic view of the folding stand shown in FIG. 1; FIG. 4 is a cross-sectional view of the telescoping parking element shown in FIG. 1; FIG. 5 is a cross-sectional view of the connector shown in FIG. 1; figure 6 is a cross-sectional view of the rotary positioning member shown in figure 1. A folding ladder for rainy day outdoor power supply is maintained, its characterized in that includes: a mounting plate 1;
the two groups of U-shaped plate elements 2 are symmetrically fixed on two sides of the bottom of the mounting plate 1;
two ends of the two support frames 3 are respectively and rotatably connected inside the two groups of U-shaped plates 2;
the folding frames 4 are connected with each other through connecting pieces 6, and one side of the folding frame 4 positioned at the lowest side is fixedly connected to the top of the mounting plate 1;
the top plate 9 is fixed at the top of the folding frame 4, and the top plate 9 is fixed at the top of the folding frame 4;
the flexible piece 5 of placing, flexible piece 5 of placing is fixed in through rotating setting element 7 the top of roof 9, flexible piece 5 of placing includes an externally mounted section of thick bamboo 51, the inside of an externally mounted section of thick bamboo 51 is provided with telescopic link 54, location chamber 55 is seted up at the top of telescopic link 54, a plurality of spacing holes 56 have been seted up on the telescopic link 54, one side of an externally mounted section of thick bamboo 51 is inlayed and is established the first nut 52 of fixedly connected with, the internal thread of first nut 52 is connected with location axle 53, the one end of location axle 53 extends to the inside of an externally mounted section of thick bamboo 51.
The surface of location axle 53 is provided with the external screw thread with first nut 52 adaptation, and the one end of location axle 53 is provided with the drive handle, is convenient for rotate it, and spacing hole 56's quantity is provided with a plurality ofly, is no less than six, and the interval is preferably 5 centimetres, and the length of location chamber 55 is no less than 10 centimetres, and is cylindrical hole.
The rotating positioning part 7 comprises two fixing blocks 71, a supporting shaft 72 is fixedly connected between the two fixing blocks 71, a rotating block 74 is sleeved on the surface of the supporting shaft 72, and a fixing groove 75 is formed in the upper side of the inside of the rotating block 74.
The depth of the fixing groove 75 is not less than 5 cm
A positioning block 73 is fixedly connected to the upper side of the surface of the support shaft 72, and a side hole 76 matched with the positioning block 73 in size is formed in one side of the rotating block 74.
The surface of the positioning block 73 is bonded with a rubber sleeve, so that the friction between the positioning block and the inner surface of the fixing groove 75 is increased, and the stability is improved.
One side fixedly connected with locating plate 13 of U-shaped plate 2, the top both sides of mounting panel 1 all rotate and are connected with handle 10.
Can fix a position support frame 3 angle to the outside pivoted through setting up locating plate 13, prevent that it from rotating to the outside again, through setting up handle 10, the user can hold handle 10 when last roof 9 and be convenient for go up roof 9, and handle 10 can only rotate to the inboard, when not using, can rotate handle 10 inboard to with roof 9 level, reduce the volume that occupies.
The working principle of the folding ladder for outdoor power supply maintenance in rainy days provided by the invention is as follows:
when in use, the supporting frames 3 at two sides of the mounting plate 1 are unfolded towards two sides and are in contact with the positioning plate 13, and the unfolded angle is positioned through the positioning plate 13;
when the umbrella is in rainy days, the umbrella can be unfolded, and then the handle and the part of the rod part of the umbrella are correspondingly inserted into the limiting hole 56 at the top of the telescopic rod 54, wherein the large umbrella is selected as much as possible, and the circular handle is as long as possible;
the length of the telescopic rod 54 can be adjusted outwards according to the height of a user, so that the height of the telescopic rod can be adjusted, during adjustment, the end part of the positioning shaft 53 is screwed to drive the handle, the positioning shaft 53 is driven to rotate along with the handle, the positioning shaft 53 and the first screw cap 52 act to move out of the limiting hole 56, then the height of the telescopic rod 54 can be adjusted, and then the positioning shaft 53 is screwed reversely to enter the limiting hole 56 to fixedly support the telescopic rod;
convenient to use, and not using, can place whole flexible 5 levels of placing, reduce the volume that occupies, when falling, can upwards stimulate external mounting section of thick bamboo 51, thereby drive turning block 74 and shift up, make locating piece 73 shift out the inside fixed slot 75 of turning block 74, and correspond with the side opening 76 of turning block 74 one side, then can fall it, during the use, stick up it once more, and promote external mounting section of thick bamboo 51 downwards, make its locating piece 73 be located inside fixed slot 75, fix a position its axial, and convenient for operation.
Compared with the prior art, the folding ladder for the outdoor power supply maintenance in rainy days has the following beneficial effects:
through setting up flexible placing part 5, cooperation rotation setting part 7 sets up on roof 9, when rainy day, can rotate flexible placing part 5 to ninety degrees perpendicular with roof 9, then can correspond the positioning cavity 55 inside inserting telescopic link 54 top with the stem of the umbrella of rainwater and the cadre of umbrella, can shelter from the rainwater through the umbrella, do not need the people to hand, the easy access operation, and can be according to maintainer's height, adjust telescopic link 54's height, thereby adjust the height of umbrella, adapt to different high worker's use, and is more convenient, and can take off the umbrella when not using, will stretch out and draw back placing part 5 and fall down, and the volume is reduced, and the portable storage is realized.
Second embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6 in combination, based on the folding ladder for the outdoor power supply maintenance in the rainy day provided by the first embodiment of the present application, the second embodiment of the present application proposes another folding ladder for the outdoor power supply maintenance in the rainy day.
Specifically, the folding ladder for the outdoor power supply maintenance in the rainy day provided by the second embodiment of the present application is different in that the folding ladder is used for the outdoor power supply maintenance in the rainy day; the folding leg 4 includes an upper side bar 41, a lower side bar 42 and a center bar 43, and connecting arms 44 are rotatably connected to both sides of the surfaces of the upper side bar 41 and the lower side bar 42, and one end of the connecting arm 44 is rotatably connected to the surface of the center bar 43.
Wherein, the connecting arm 44 is provided with a sleeve ring at both ends, and is sleeved on the surfaces of the upper side rod 41, the lower side rod 42 and the central rod 43 through the sleeve ring to form a running fit.
Two first positioning holes 45 are symmetrically formed in the outer side of the connecting arm 44 on the upper rod 41, and a first magnetic block 47 is fixedly connected and embedded between the two first positioning holes 45 and the outer side of the connecting arm 44 on the upper rod 41.
A second positioning hole 46 is formed in one end of the outer side of the connecting arm 44, and a second magnetic block 48 is fixedly connected to the outer side of the connecting arm 44 and is embedded in one side of the second positioning hole 46.
Wherein, the outer sides of the upper side rod 41 and the lower side rod 42 are provided with a second positioning hole 46 and a second magnetic block 48, and when the two connecting arms 44 are unfolded and extended by one hundred eighty degrees, the distance between the two second positioning holes 46 is the same as the distance between the two first positioning holes 45.
The connecting piece 6 comprises a connecting sleeve 61, the connecting sleeve 61 is sleeved on the upper side rod 41 and the lower side rod 42 in the folding frame 4, the connecting sleeve 61 is symmetrically embedded on one side of the connecting sleeve 61 to form a fixedly connected second nut 73, the inner thread of the second nut 73 is connected with a limiting shaft 83, and one end of the limiting shaft 83 is provided with a star-shaped driving handle.
The surface of spacing axle 83 sets up in the screw thread of second nut 73 adaptation, and after folding leg 4 expandes, can carry out axial positioning to it through the vertical through-hole 11 of second nut 73 cooperation, avoids being located the folding leg 4 rotation of upside, causes the shakiness, and the upper and lower both sides of every adapter sleeve 61 all are provided with two second nuts 73, set up two spacing axles 83 promptly.
The upper rod 41 and the lower rod 42 are both provided with a vertical through hole 11 and a horizontal through hole 12, and the vertical through hole 11 and the horizontal through hole 12 are arranged at ninety degrees.
One side of linking arm 44 is provided with mounting 8, mounting 8 is including connecting rope 81, it is fixed in one side of linking arm 44 to connect rope 81, the one end fixedly connected with bar 82 of connecting rope 81, the spacing axle 83 of one side symmetry fixedly connected with of bar 82.
The strip-shaped block 82 is fixed through the connecting rope 81, so that the strip-shaped block 82 can be prevented from being lost, when the folding frame 4 is folded, two limiting shafts 83 on the strip-shaped block 82 are correspondingly inserted into the first positioning holes 45, the strip-shaped block 82 is adsorbed and limited through the first magnetic blocks 47, the strip-shaped block 82 is a metal block which can be adsorbed by a magnet, when the folding frame 4 is unfolded, the strip-shaped block 82 is taken down, after the folding frame is completely unfolded, the two limiting shafts 83 on the strip-shaped block 82 are correspondingly inserted into the second positioning holes 46, and the adsorption and limiting are carried out through the second magnetic blocks 48;
the number of the folding frames 4 is specifically set according to the use requirement, and can be 1, 2, 3 or more, and preferably 4;
when the folding rack is used, a plurality of folding racks 4 can be unfolded according to needs and sequentially unfolded from top to bottom, when the folding rack is unfolded, the second fixing shaft 62 on the connecting sleeve 61 is firstly screwed off, the strip-shaped block 82 is taken down and then unfolded, after the unfolding, the limiting shafts 83 at the two ends of the strip-shaped block 82 are correspondingly inserted into the second positioning holes 46, and then the fixing shafts 63 are correspondingly screwed into the vertical through holes 11 to position the vertical through holes;
the height of the whole body is improved by unfolding the folding frame 41, and when a worker goes up the top plate 9, the worker can climb onto the top plate 9 as the pedal of a ladder by using the upper side rod 41, the lower side rod 42 and the central rod 43;
through setting up folding leg 4, can reduce holistic volume, portable accomodates, and can the multiple height of adaptation, and whole easy operation, can have more highly selected one or more folding leg 4, convenient to use of unfolding.
Third embodiment
Referring to fig. 7 and 8 in combination, based on the folding ladder for the outdoor power supply maintenance in the rainy day provided by the first embodiment of the present application, the third embodiment of the present application proposes another folding ladder for the outdoor power supply maintenance in the rainy day.
Specifically, the difference that is used for the outdoor power supply of rainy day to maintain and uses folding ladder that the third embodiment of this application provided lies in for the outdoor power supply of rainy day maintains and uses folding ladder, be provided with adjustable latch fitting 14 on telescopic link 54, adjustable latch fitting 14 includes spout 141, spout 141 is seted up in one side of telescopic link 54, fixedly connected with guide rail 142 between the top of spout 141 inner wall and the bottom, guide rail 142's surperficial sliding connection has hasp 143, one side fixedly connected with lantern ring 144 of hasp 143, lantern ring 144 cover establishes the surface formation sliding fit at guide rail 142.
Through setting up hasp 143, in the maintenance of overhaul in-process, can be with the buckle card on the safety belt that the user wore on the surface of hasp 143 to the piece 5 cooperation safety belt of placing telescopically can protect the user, improves the security of maintaining the workman.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A be used for rainy day outdoor power supply to maintain and use folding ladder which characterized in that includes: mounting a plate;
the two groups of U-shaped plates are symmetrically fixed on two sides of the bottom of the mounting plate;
two ends of the two support frames are respectively and rotatably connected to the insides of the two groups of U-shaped plates;
the adjacent folding frames are connected through a connecting piece, and one side of the folding frame positioned at the lowest side is fixedly connected to the top of the mounting plate;
the top plate is fixed at the top of the folding frame;
the telescopic placing piece is fixed at the top of the top plate through a rotating positioning piece, the telescopic placing piece comprises an external mounting cylinder, a telescopic rod is arranged inside the external mounting cylinder, a positioning cavity is formed in the top of the telescopic rod, a plurality of limiting holes are formed in the telescopic rod, a first nut fixedly connected with is embedded in one side of the external mounting cylinder, a positioning shaft is connected to the inner thread of the first nut, and one end of the positioning shaft extends to the inside of the external mounting cylinder.
2. The folding ladder for the rainy day outdoor power supply maintenance of claim 1, wherein the rotating positioning piece comprises two fixed blocks, a supporting shaft is fixedly connected between the two fixed blocks, a rotating block is sleeved on the surface of the supporting shaft, and a fixed groove is formed in the upper side of the inside of the rotating block.
3. The folding ladder for the outdoor power supply and maintenance in the rainy day as claimed in claim 2, wherein a positioning block is fixedly connected to the upper side of the surface of the supporting shaft, and a side hole matched with the positioning block in size is formed in one side of the rotating block.
4. The folding ladder for outdoor power supply and maintenance in rainy days as claimed in claim 1, wherein the folding frame comprises an upper side rod, a lower side rod and a central rod, the two sides of the surface of the upper side rod and the lower side rod are rotatably connected with connecting arms, and one end of each connecting arm is rotatably connected with the surface of the central rod.
5. The folding ladder for the rainy day outdoor power supply maintenance as claimed in claim 4, wherein two first positioning holes are symmetrically formed in the outer side of the connecting arm on the upper side rod, and the first magnet is fixedly connected and embedded between the two first positioning holes and the outer side of the connecting arm on the upper side rod.
6. The folding ladder for outdoor power supply and maintenance in rainy days as claimed in claim 5, wherein a second positioning hole is formed in one end of the outer side of the connecting arm, and a second magnetic block fixedly connected to the outer side of the connecting arm and located on one side of the second positioning hole is embedded in the connecting arm.
7. The folding ladder for the outdoor power supply maintenance in the rainy day as claimed in claim 1, wherein the connecting piece comprises a connecting sleeve, the connecting sleeve is arranged between an upper side rod and a lower side rod of the folding frame which are adjacently arranged, a second nut fixedly connected with is symmetrically embedded in one side of the connecting sleeve, a limiting shaft is connected to the inner thread of the second nut through a limiting thread, and a star-shaped driving handle is arranged at one end of the limiting shaft.
8. The folding ladder for outdoor power supply and maintenance in rainy days as claimed in claim 7, wherein the upper side bar and the lower side bar are both provided with a vertical through hole and a transverse through hole, and the vertical through hole and the transverse through hole are arranged at ninety degrees.
9. The folding ladder for the outdoor power supply and maintenance in the rainy day according to claim 4, wherein a fixing piece is arranged on one side of the connecting arm, the fixing piece comprises a connecting rope, the connecting rope is fixed on one side of the connecting arm, a strip-shaped block is fixedly connected to one end of the connecting rope, and a limiting shaft is symmetrically and fixedly connected to one side of the strip-shaped block.
10. The folding ladder for the outdoor power supply and maintenance in the rainy day as claimed in claim 1, wherein a positioning plate is fixedly connected to one side of the U-shaped plate, and a handle is rotatably connected to both sides of the top of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176887.6A CN114075920B (en) | 2021-10-09 | 2021-10-09 | Folding ladder for outdoor power supply maintenance in rainy days |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176887.6A CN114075920B (en) | 2021-10-09 | 2021-10-09 | Folding ladder for outdoor power supply maintenance in rainy days |
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| Publication Number | Publication Date |
|---|---|
| CN114075920A true CN114075920A (en) | 2022-02-22 |
| CN114075920B CN114075920B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111176887.6A Active CN114075920B (en) | 2021-10-09 | 2021-10-09 | Folding ladder for outdoor power supply maintenance in rainy days |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116517460A (en) * | 2023-05-10 | 2023-08-01 | 国网山东省电力公司成武县供电公司 | Multifunctional electrician operation platform |
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| CN114075920B (en) | 2023-10-03 |
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Effective date of registration: 20230724 Address after: 502, Floor 5, Building 1, Yard 18, Shixing East Street, Shijingshan District, Beijing 100041 Applicant after: BEIJING SHOURONGHUI TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 100043 single dormitory at the west entrance of Jinding street, Shijingshan District, Beijing Applicant before: Beijing Shougang Futong Elevator Co.,Ltd. |
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