CN111431077B - A portable operating platform for power distribution cabinet - Google Patents
A portable operating platform for power distribution cabinet Download PDFInfo
- Publication number
- CN111431077B CN111431077B CN202010382298.2A CN202010382298A CN111431077B CN 111431077 B CN111431077 B CN 111431077B CN 202010382298 A CN202010382298 A CN 202010382298A CN 111431077 B CN111431077 B CN 111431077B
- Authority
- CN
- China
- Prior art keywords
- platform
- lock tongue
- locking
- supporting
- guide groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- 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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/16—Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
-
- 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
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a portable operation platform of a power distribution cabinet, which comprises an extension ladder, a platform mechanism and a supporting mechanism, wherein the platform mechanism and the supporting mechanism are arranged on the extension ladder, the platform mechanism comprises a standing platform and a supporting part, the standing platform is rotatably arranged on the end part of the extension ladder, the supporting part is rotatably arranged on the standing platform, the supporting part is used for horizontally unfolding the standing platform when the extension ladder is unfolded, and the extension ladder is connected with an electric pole through the supporting mechanism. The operation platform is simple in structure, small in size after folding, convenient to move, capable of being unfolded and stored rapidly, simple to operate, capable of being unfolded by means of the supporting parts, capable of improving stability and strength of the standing platform, capable of being used for supporting the standing platform by means of the supporting parts, capable of improving strength of the supporting parts by means of the ladder, capable of enabling workers to climb to the standing platform from the telescopic ladder conveniently, capable of being used for adding the limiting mechanism, capable of guaranteeing connection reliability between the operation platform and the electric pole by means of encircling locking mode, and capable of preventing rollover of the operation platform.
Description
Technical Field
The invention relates to the field of power grid operation, in particular to a portable operation platform of a power distribution cabinet.
Background
The power transformer is used as an indispensable part in power grid outgoing, operators need to carry out irregular maintenance on the power transformer in the use process, normally, the power transformer is erected between two electric poles, the power operators operate by climbing the electric poles, and the mode has obvious defects that 1, one cable only allows one worker to climb, assistance of colleagues is needed during maintenance, 2, the feet and the waist are needed to be supported when the workers are fixed on the electric poles, and the power transformer is inconvenient to move, so that the maintenance is very inconvenient, and the maintenance range is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to overcome the defects of the prior art and discloses a portable operation platform of a power distribution cabinet, which comprises an extension ladder, a platform mechanism and a supporting mechanism, wherein the platform mechanism and the supporting mechanism are arranged on the extension ladder, the platform mechanism comprises a standing platform and a supporting part, the standing platform is rotatably arranged on the end part of the extension ladder, the supporting part is rotatably arranged on the standing platform, the supporting part is used for horizontally unfolding the standing platform when the extension ladder is unfolded, and the extension ladder is connected with an electric pole through the supporting mechanism.
Further, the supporting part is provided with a locking bolt, and the telescopic ladder is provided with at least one group of locking holes matched with the locking bolt.
Further, when deployed, the included angle between the standing platform and the support member is greater than 90 °.
Further, the support member is a ladder.
Further, armrests are arranged on the standing platform.
Further, the supporting mechanism comprises a supporting seat, a telescopic rod and a limiting mechanism, wherein the supporting seat is fixedly arranged at the end part of the telescopic ladder, the telescopic rod is horizontally and adjustably arranged on the supporting seat, and the limiting mechanism is arranged on the telescopic rod.
Further, two first guide grooves are horizontally formed in the supporting seat, the telescopic rods are slidably arranged in the first guide grooves, and two ends of the supporting seat are slidably arranged respectively.
Further, a guide groove is formed in the first guide groove, a screw hole is formed in the telescopic rod, a locking screw is arranged in the screw hole, and the telescopic rod is limited and locked in the guide groove by the aid of the locking screw.
Further, the limiting mechanism comprises a semicircular fixing seat, a semicircular spring bolt, a first spring, a handle, a second spring, a locking spring bolt, a spring bolt shell and a pull rope, wherein a second guide groove is concentrically arranged in the semicircular fixing seat, the semicircular spring bolt and the first spring are arranged in the second guide groove, the handle is used for driving the semicircular spring bolt to move along the guide direction of the second guide groove, when the limiting mechanism is locked, the first spring is compressed, the semicircular spring bolt protrudes out of the second guide groove and is matched with the second guide groove to form a circular ring of more than 220 degrees, the locking spring bolt is arranged in the spring bolt shell through the second spring, the pull rope is connected with the locking spring bolt, the pull rope is used for driving the locking spring bolt to move into the spring bolt shell, the spring bolt shell is fixed on the semicircular fixing seat, and correspondingly, and the locking groove matched with the locking spring bolt is arranged on the semicircular spring bolt.
Further, the end of the locking bolt is provided with a chamfer.
The invention has the beneficial effects that:
The operation platform is simple in structure, small in size after folding, convenient to move, capable of being unfolded and stored rapidly, simple to operate, capable of being unfolded by means of the supporting parts, capable of improving stability and strength of the standing platform, capable of being used for supporting the standing platform by means of the supporting parts, capable of improving strength of the supporting parts by means of the ladder, capable of enabling workers to climb to the standing platform from the telescopic ladder conveniently, capable of being used for adding the limiting mechanism, capable of guaranteeing connection reliability between the operation platform and the electric pole by means of encircling locking mode, and capable of preventing rollover of the operation platform.
Drawings
FIG. 1 is a schematic diagram of a power transformer installation;
Fig. 2 is a schematic structural diagram of a portable operation platform of a power distribution cabinet according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a schematic view of the connection of the extension ladder to the support member;
FIG. 5 is a schematic view of the structure of the support mechanism;
FIG. 6 is a schematic view of the structure of the limiting mechanism;
FIG. 7 is a front view of the restriction mechanism
FIG. 8 is a cross-sectional view A-A of FIG. 7;
FIG. 9 is a top view of the locking bolt and locking housing;
FIG. 10 is a cross-sectional view A-A of FIG. 9;
FIG. 11 is a schematic view of the structure of the locking bolt and the semi-circular bolt in the locked state of the limiting mechanism;
FIG. 12 is a schematic view of the folded structure of the present invention;
the reference numerals are as follows:
1. The telescopic ladder comprises a telescopic ladder body, a platform mechanism, a supporting mechanism, a standing platform, a supporting component, a supporting seat, a telescopic rod, a limiting mechanism, a first guide groove, a 331, a semicircular fixing seat, a 332, a semicircular lock tongue, a 333, a first spring, a 334, a handle, a 335, a second spring, a 336, a locking lock tongue, a 337, a lock tongue housing, a 338, a pull rope, a 3311 and a second guide groove.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The utility model provides a portable operation platform of switch board, as shown in fig. 2-3, includes telescopic ladder 1 and platform mechanism 2 and supporting mechanism 3 of setting on telescopic ladder 1, makes the ladder shrink and lengthen through telescopic ladder 1, and then practices thrift the volume when accomodating. The platform mechanism 2 is used for providing a standing platform for operators, and the supporting mechanism 3 is used for transversely erecting the telescopic ladder 1 between two electric poles. Specifically, the platform mechanism 2 comprises a standing platform 21 and a supporting part 22, wherein the standing platform 21 is rotatably connected with the end part of the telescopic ladder 1 through a hinge, the supporting part 22 is rotatably connected with the standing platform 21 through a hinge, and when the telescopic ladder is unfolded, the standing platform is horizontally unfolded through the supporting part 22.
In an embodiment, as shown in fig. 2-4, a locking bolt is arranged at the bottom of the supporting part 22, a locking hole matched with the locking bolt is arranged on the telescopic ladder 1, when the operation platform is unfolded, the locking bolt is inserted into the locking hole to enable the standing platform 21, the supporting part 22 and the telescopic ladder 1 to be in a triangular structure, and meanwhile, the standing platform 21 is in a horizontal state. In addition, a plurality of locking holes can be arranged to match with different angles of placement of the telescopic ladder 1 so as to ensure that the standing platform 21 keeps a horizontal position.
In one embodiment, the angle between standing platform 21 and support member 22 is greater than 90 ° when the operating platform is deployed.
In one embodiment, the support member 22 is a ladder. It is known that the structure of a ladder comprises two vertically arranged telescopic rods and horizontally arranged cross beams, which can improve the strength of the support members 22, and secondly, the support members 22 are arranged as a ladder, by means of which a worker can conveniently and easily climb from the telescopic ladder 1 to the standing platform 21. In addition, the included angle between the standing platform 21 and the supporting part 22 is larger than 90 degrees when the standing platform 21 is unfolded, so that the staff can climb to the standing platform 21 from the telescopic ladder 1 through the supporting part 22.
In one embodiment, armrests are provided on standing platform 21. Preferably, armrests are arranged at two side edges of the standing platform 21, and the armrests can be in frame-shaped, arc-shaped and other structures. Through the arrangement of the handrails, workers climb to a place with supporting assistance from the telescopic ladder 1 to the standing platform 21, secondly, the handrails can protect the workers, the workers are prevented from stepping on the ground during maintenance, and in addition, a fixed fulcrum is provided for waist protection belts of the workers. The armrests can be folded armrests, inserted armrests or fixed armrests.
In one embodiment, as shown in fig. 5 to 11, the supporting mechanism 3 comprises a supporting seat 31, a telescopic rod 32 and a limiting mechanism 33, wherein the supporting seat 31 is fixedly arranged at the end part of the telescopic ladder 1, the telescopic rod 32 is horizontally and adjustably arranged on the supporting seat 31, the extending distance of the telescopic rod 32 is adjusted according to the distance between electric poles, and the limiting mechanism 33 is arranged on the telescopic rod 32, so that the telescopic rod 32 is connected with the electric poles through the limiting mechanism 33. Typically, the restricting mechanism 33 is provided at one end of the telescopic rod 32 protruding from the supporting seat 31.
In a specific embodiment, as shown in fig. 5 to 11, two first guide grooves 311 are horizontally disposed on the supporting seat 31, two corresponding telescopic rods 32 are disposed, and the two telescopic rods are slidably disposed in the first guide grooves 311, and the limiting mechanisms 33 are disposed at the ends of the telescopic rods 32, respectively. Preferably, the two limiting mechanisms 33 provided on the telescopic rod 32 are on the same horizontal line. When the electric pole stand is used, the extension amount of the two telescopic rods 32 is adjusted according to the distance between the two electric poles, so that the application range is wider, and secondly, the position of the stand platform 21 between the two electric poles can be adjusted according to different overhaul positions.
In the above embodiment, as shown in fig. 5 to 11, the first guide groove 311 is provided with the guide groove 312, the telescopic rod 32 is provided with the screw hole, the locking screw is arranged in the screw hole, and one end of the locking screw passes through the guide groove 312 and protrudes out of the supporting seat 31, and the telescopic rod 32 is limited in the supporting seat 31 by the locking screw, so that the telescopic rod 32 is prevented from being excessively adjusted and separated from the supporting seat 31. In addition, after the extension length of the extension rod 32 is adjusted, the extension rod 32 and the supporting seat 31 can be locked and fixed by a locking screw, and the extension rod 32 is prevented from sliding out of the first guide groove 311 when the extension rod is stored and transported.
In one embodiment, as shown in fig. 5-11, the limiting mechanism 33 includes a limiting frame, where the limiting frame is semicircular, and when in use, the limiting frame is fastened on the electric pole, so as to prevent the operating platform from shaking left and right during use. In addition, the friction pad is arranged on the inner side of the limiting frame so as to increase the friction force between the limiting frame and the electric pole.
In a preferred embodiment, as shown in fig. 5-11, the limiting mechanism 33 includes a semicircular fixing seat 331, a semicircular spring bolt 332, a first spring 333, a handle 334, a second spring 335, a locking spring bolt 336, a bolt housing 337 and a pull rope 338, a second guide groove 3311 is concentrically arranged in the semicircular fixing seat 331, the semicircular spring bolt 332 and the first spring 333 are arranged in the second guide groove 3311, wherein the first guide groove 3311 includes two parts, one part is used for guiding the semicircular spring bolt 332 to rotate around the center of a circle, the other part is used for accommodating the first spring 333, the semicircular spring bolt 332 is driven to move along the guiding direction of the second guide groove 3311 by the handle 334, the locking spring bolt 336 and the second spring 335 are arranged in the bolt housing 337, a mounting hole communicated with the second guide groove 3311 is arranged on the semicircular fixing seat 331, the bolt housing 337 is mounted in the mounting hole, and a locking groove matched with the locking spring bolt 336 is arranged on the semicircular spring bolt 332, wherein the bolt housing 337 can be fixedly connected by a threaded fit manner. When unlocked, the semicircular lock tongue 332 receives the restoring force of the first spring 333, so that the semicircular lock tongue 332 is hidden in the semicircular fixing seat 331, and when locked, the first spring 333 compresses, and the semicircular lock tongue 332 protrudes out of the second guide groove 3311 and is matched with the second guide groove 3311 to form a circular ring with an angle of more than 220 degrees. When the lock is locked, a worker pulls the pull rope 338 to drive the lock tongue 336 to move downwards so as to separate the lock tongue from the lock groove, and the semicircular lock tongue 223 is restored to the initial position by the restoring force of the first spring 333. By the arrangement of the pull cord 338, the worker can unlock the restriction mechanism 33 on the ground.
In the above embodiment, as shown in fig. 5-11, the end of the locking bolt 336 is chamfered. This allows locking bolt 337 to more easily enter the lock slot when locking semi-circular bolt 332.
In the above embodiment, the friction pad is disposed inside the semicircular fixing seat 331 to increase the friction between the semicircular fixing seat 331 and the electric pole.
In addition, the semicircular fixing seat 331 is concentrically provided with a guide groove communicated with the second guide groove 3311, and the semicircular lock tongue 332 is provided with a handle 334 extending outwards through the guide groove, so that the semicircular lock tongue 332 is driven to move to a locking position through the handle 334.
When the invention is used, as shown in fig. 2-12, a worker adjusts the extension distance of the telescopic rod 32, namely, the distance between the two limiting mechanisms 33 according to the distance between the electric poles, so that the two limiting mechanisms 33 can be buckled on the electric poles, then inserts the locking bolt of the supporting part 22 into the locking hole to enable the standing platform 21 to be unfolded, and then unfolds the telescopic ladder 1 to be unfolded to a proper position according to the height of the power transformer. At this time, the limiting mechanism 33 is fastened on the electric pole, so that the telescopic ladder 1, the electric pole and the ground are in a triangular structure, then a worker climbs up the standing platform 21 through the telescopic ladder 1 and the supporting part 22, and then pushes the semicircular lock tongue 332 to move to the locking position through the deflector rod, at this time, the locking lock tongue 336 is inserted into the locking groove, and further the electric pole cannot be separated from the limiting mechanism 33. Further protecting the safety of staff. The personnel can then service the power transformer on standing platform 21. The invention does not limit the size of the standing platform, and standing platforms with different sizes can be selected according to actual requirements. After the maintenance is completed, the worker moves from the standing platform 21 to the ground and pulls the pull rope 338 to separate the locking bolt 336 from the locking groove, the semicircular bolt 332 is restored to the initial position by the restoring force of the first spring 333, the limiting mechanism 33 can be separated from the electric pole at the moment, and then the worker stores the telescopic ladder 1 and the telescopic rod 32 in a final stored state as shown in the figure, and at the moment, the standing platform 21, the supporting part 22 and the telescopic ladder are stacked, so that the volume is greatly reduced, and the moving is convenient.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the present invention is modified or equivalent to be included in the scope of the appended claims without departing from the spirit and scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382298.2A CN111431077B (en) | 2020-05-08 | 2020-05-08 | A portable operating platform for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382298.2A CN111431077B (en) | 2020-05-08 | 2020-05-08 | A portable operating platform for power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111431077A CN111431077A (en) | 2020-07-17 |
| CN111431077B true CN111431077B (en) | 2025-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010382298.2A Active CN111431077B (en) | 2020-05-08 | 2020-05-08 | A portable operating platform for power distribution cabinet |
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| CN (1) | CN111431077B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593356B (en) * | 2021-04-09 | 2025-05-06 | 北京摩诘创新科技股份有限公司 | A retractable maintenance platform device |
| US20230407703A1 (en) * | 2021-04-23 | 2023-12-21 | Gwendolyn Jenkins-Allen | Escalating step ladder system |
| CN114991445A (en) * | 2022-06-29 | 2022-09-02 | 佛山市顺德区万怡家居用品有限公司 | Multifunctional platform |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211790367U (en) * | 2020-05-08 | 2020-10-27 | 国网江苏省电力有限公司太仓市供电分公司 | A portable operating platform for power distribution cabinets |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6951265B2 (en) * | 2003-08-04 | 2005-10-04 | Ballymore Company, Inc. | Foldable stairway ladder |
| DE102007029949A1 (en) * | 2007-06-28 | 2009-01-02 | Leifheit Ag | stepladder |
| CN209875030U (en) * | 2019-01-14 | 2019-12-31 | 东莞市宝智金属制品有限公司 | Telescopic folding platform ladder |
| CN110905387A (en) * | 2019-12-02 | 2020-03-24 | 国网天津市电力公司 | A convenient climbing operation maintenance ladder |
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2020
- 2020-05-08 CN CN202010382298.2A patent/CN111431077B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211790367U (en) * | 2020-05-08 | 2020-10-27 | 国网江苏省电力有限公司太仓市供电分公司 | A portable operating platform for power distribution cabinets |
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| CN111431077A (en) | 2020-07-17 |
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