CN111005671A - Transversely-unfolded electric power maintenance ladder - Google Patents
Transversely-unfolded electric power maintenance ladder Download PDFInfo
- Publication number
- CN111005671A CN111005671A CN201911345989.9A CN201911345989A CN111005671A CN 111005671 A CN111005671 A CN 111005671A CN 201911345989 A CN201911345989 A CN 201911345989A CN 111005671 A CN111005671 A CN 111005671A
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- Prior art keywords
- handle
- single frame
- lock
- transversely
- violently
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Classifications
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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
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/14—Holders for pails or other equipment on or for ladders
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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
- 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 transversely-spread electric power overhaul ladder which structurally comprises anti-skid stickers, hinge pieces, a top plate, a transversely-spread placing device, a front single frame and a rear single frame, wherein the anti-skid stickers are divided into two groups, two of each group are arranged, the anti-skid stickers are fixedly arranged at the bottom end of the front single frame, the top end of the rear single frame is welded with the top plate at the rear end, the transversely-spread placing device is arranged at the right side of the front single frame in an embedded mode, the outdoor power equipment is generally overhauled in a live-line way, and when the overhaul ladder is used, the transverse handle is buckled out, under the supplementary regulation through half regulation and control mechanism soon, expand smoothly fixedly horizontal handle to will violently expand to put the mechanism soon and expand and form supplementary loading board, can place the toolbox that carries the maintenance instrument violently the exhibition is put the mechanism soon, neither can influence going on of maintenance work and can save the time of taking the instrument repeatedly.
Description
Technical Field
The invention belongs to the field of electric power, and particularly relates to a transversely-arranged electric power overhaul ladder.
Background
Outdoor power equipment generally sets up the take of a height because safety and do not influence the trip, and the power equipment that lies in outdoors stands outside natural factor for a long time and influences the maintenance cycle of its equipment and can be shorter than indoor power equipment relatively, and the maintainer generally need carry out maintenance work to corresponding power equipment through the electric power maintenance ladder.
Based on the above description, the inventor finds that the existing horizontal-spread electric power overhaul ladder mainly has the following defects, for example:
because in the electric power maintenance work, carrying out the maintenance to outdoor power equipment and generally adopting electrified maintenance, need use certain supplementary maintenance instrument to be used for improving maintenance personnel's in the work process factor of safety, and when maintenance personnel was climbing the maintenance ladder, its toolbox is because the position on the maintenance ladder is narrow and small, difficult together take, only can be only limited to carrying of a small amount of instruments at every turn, when needs carry out the instrument replacement, the maintenance ladder that comes and goes carries out the instrument and trade.
Disclosure of Invention
In order to solve the technical problems, the invention provides a transversely-spread electric power overhaul ladder, which aims to solve the problems that in the existing electric power overhaul work, electrified overhaul is generally adopted for carrying out overhaul on outdoor electric power equipment, a certain auxiliary overhaul tool is required to be used for improving the safety coefficient of an overhaul worker in the overhaul work process, when the overhaul worker climbs the overhaul ladder, a tool box of the overhaul ladder is difficult to carry along due to the narrow position on the overhaul ladder, only a small amount of tools can be carried along at each time, and when the tools need to be replaced, the tools are exchanged by going and going to the overhaul ladder.
Aiming at the defects of the prior art, the invention discloses a purpose and an effect of a transversely-spread electric power overhaul ladder, which are achieved by the following specific technical means: the utility model provides an electric power overhaul ladder is placed in horizontal exhibition, its structure includes that antiskid subsides, hinge piece, roof, horizontal exhibition are placed device, preceding monospar, back monospar, antiskid subsides divide into two sets of and every group and are equipped with two altogether, antiskid pastes fixed mounting monospar bottom in the front, back monospar top welds mutually with rear end roof, horizontal exhibition is placed the device and is installed monospar right side in the front through the mode of embedding, back monospar top welds mutually with the front end roof, the roof is equipped with two altogether and is connected through the hinge piece.
Violently exhibition is put the device and is put the mechanism including half regulation and control mechanism, dead slot, horizontal handle, violently exhibition soon, horizontal handle left side is installed inside half regulation and control mechanism through the mode of embedding, inside horizontal handle upper end is located to the dead slot, violently exhibition is put the mechanism soon and is in the same place with horizontal handle swing joint, half is revolved inside the single-frame of regulation and control mechanism fixed mounting in the front.
Preferably, violently the exhibition is revolved and is put mechanism and is included padlock load-bearing mechanism, spiral axle, fixed strip, activity branch strip, soft net, padlock load-bearing mechanism is in the same place through spiral axle and fixed strip fixed connection, the activity branch strip is in the same place through spiral axle and fixed strip fixed connection, it is connected through the activity branch strip between the soft net, soft net cooperates the activity branch strip after the expansion and can form a box umbrella-shaped bearing structure, can place the instrument.
As preferred, padlock load-bearing mechanism includes the pulling-on piece, extends mouthful, protruding colludes, activity swing handle, the pulling-on piece is with activity swing handle structure as an organic whole, protruding collude the bottom surface and the laminating of activity swing handle top, the activity swing handle is installed in extending the mouth through the mode of embedding, protruding colluding is in fixed state, can be when activity swing handle is close to, through dislocation lock joint entering extend mouthful in, can play limiting displacement to it through protruding colluding.
Preferably, the transverse handle comprises a positioning sleeve, a connecting and hanging buckle, a rotary cutting and hanging mechanism and a tail attachment piece, the tail attachment piece is installed on the right side of the transverse handle in an embedded mode, the positioning sleeve is welded with the connecting and hanging buckle, the rotary cutting and hanging mechanism is installed inside the connecting and hanging buckle in an embedded mode, the tail attachment piece is made of magnetic materials and can adsorb the front single frame in a bundling state, and therefore the front single frame can have the active attaching and fixing effect.
Preferably, the rotary-cut hanging mechanism comprises a hanging mechanism, a connecting handle, a support frame, a restraining pulling handle and an arc pressing plate, the hanging mechanism is movably connected with the connecting handle, the connecting handle penetrates through the middle of the support frame and is connected with the restraining pulling handle, the support frame is movably connected with the arc pressing plate, and when the right side of the arc pressing plate is pressed, the support frame can be used as a support to assist in laterally pulling the connecting handle.
Preferably, the supporting and hanging mechanism comprises an elastic strip, a clamping lock disc, a convex lock handle and a lock head, the elastic strip is fixedly connected with the convex lock handle through the clamping lock disc, the lock head and the convex lock handle are of an integrated structure, and the elastic strip can push the lock head on the convex lock handle away in the opposite direction when the lock head on the convex lock handle approaches to each other, so that the elastic strip can keep the power of restoration.
Preferably, the two convex lock handles and the two lock heads are combined into a transverse clamping hammer in a grouping mode, the transverse clamping hammer can be fixed by being embedded in the positioning sleeve in a normal state, and the transverse handle can be controlled to rotate in a releasing state.
Preferably, the arc pressing plate is internally provided with two short-distance elastic locking strips on the left side, and the short-distance elastic locking strips are fixed on the back of the arc pressing plate, so that the arc pressing plate can be pulled to deform while being pressed on the right side of the arc pressing plate, and further the short-distance elastic locking strips are lengthened.
Compared with the prior art, the invention has the following advantagesAdvantageous effects：
In the electric power overhaul work, the electrified overhaul is generally adopted for carrying out overhaul on outdoor electric power equipment, when the overhaul ladder is used, the transverse handle is buckled out, the transverse handle is smoothly unfolded and fixed under the auxiliary regulation of the semi-rotary regulating and controlling mechanism, the transverse unfolding and rotating mechanism is unfolded to form the auxiliary bearing plate, a tool box carrying overhaul tools can be placed on the transverse unfolding and rotating mechanism, the overhaul work is not influenced, and the time for repeatedly taking the tools can be saved.
Drawings
Fig. 1 is a schematic structural view of a transversely-extended electric power overhaul ladder.
Fig. 2 is a schematic front sectional view of the transverse placement device.
Fig. 3 is a detailed view of the unfolding interior of the horizontal unfolding rotating mechanism.
Fig. 4 is a detailed structure diagram of the inside of the padlock bearing mechanism.
Fig. 5 is a schematic diagram of the internal detailed structure of the semi-rotation regulating mechanism.
Fig. 6 is a detailed structural diagram of the interior of the rotary cutting and hanging mechanism.
Fig. 7 is a detailed structural diagram of the interior of the supporting and hanging mechanism.
In the figure: anti-slip paste-1, hinge sheet-2, top plate-3, transverse spreading placing device-4, front single frame-5, rear single frame-6, semi-rotary regulating mechanism-41, empty slot-42, transverse handle-43, transverse spreading rotating mechanism-44, padlock force-bearing mechanism-441, rotary shaft-442, fixing strip-443, movable separating strip-444, soft net-445, pull sheet-4411, side opening-4412, convex hook-4413, movable rotary handle-4414, positioning sleeve-a 1, connecting buckle-a 2, rotary cutting hanging mechanism-a 3, tail attachment sheet-a 4, supporting mechanism-a 31, connecting handle-a 32, support frame-a 33, constraint traction handle-a 34, arc pressing plate-a 35, elastic strip-a 311, clamping lock disc-a 312, convex lock handle-a 313, 313, Lock-a 314.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1 to 4:
the invention provides a transversely-unfolded electric power overhaul ladder which structurally comprises anti-slip pastes 1, hinge pieces 2, a top plate 3, a transversely-unfolded placing device 4, a front single frame 5 and a rear single frame 6, wherein the anti-slip pastes 1 are divided into two groups, each group is provided with two anti-slip pastes, the anti-slip pastes 1 are fixedly installed at the bottom end of the front single frame 5, the top end of the rear single frame 6 is welded with a rear end top plate 3, the transversely-unfolded placing device 4 is installed on the right side of the front single frame 5 in an embedded mode, the top end of the rear single frame 6 is welded with the front end top plate 3, and the top plates 3 are provided with two anti-slip pastes and connected through the hinge pieces 2.
Violently exhibition is put device 4 and is put mechanism 44 including half revolving control mechanism 41, dead slot 42, horizontal handle 43, violently exhibition are revolved, horizontal handle 43 left side is installed inside half revolving control mechanism 41 through the mode of embedding, dead slot 42 is located inside horizontal handle 43 upper end, violently exhibition is revolved and is put mechanism 44 and horizontal handle 43 swing joint together, half revolves inside single frame 5 in the front of control mechanism 41 fixed mounting.
The transversely unfolding and rotating mechanism 44 comprises a padlock bearing mechanism 441, a rotating shaft 442, a fixing strip 443, movable strips 444 and a soft net 445, wherein the padlock bearing mechanism 441 is fixedly connected with the fixing strip 443 through the rotating shaft 442, the movable strips 444 are fixedly connected with the fixing strip 443 through the rotating shaft 442, the soft nets 445 are connected through the movable strips 444, and after being unfolded, the soft net 445 forms an umbrella-shaped supporting structure in cooperation with the movable strips 444 to be capable of placing tools.
The padlock force-bearing mechanism 441 comprises a pull piece 4411, a side opening 4412, a convex hook 4413 and a movable rotating handle 4414, wherein the pull piece 4411 and the movable rotating handle 4414 are of an integrated structure, the bottom surface of the convex hook 4413 is attached to the top end of the movable rotating handle 4414, the movable rotating handle 4414 is installed in the side opening 4412 in an embedded mode, the convex hook 4413 is in a fixed state, and can enter the side opening 4412 through staggered buckling when the movable rotating handle 4414 approaches, and the movable rotating handle 4414 can be limited by the convex hook 4413.
The specific use mode and function of the embodiment are as follows:
in the present invention, the pull tab 4411 is pulled to further pull the outside of the movable rotating handle 4414, the rotating shaft 442 is used as an axis to rotate counterclockwise, the movable rotating handle 4414 is embedded into the hollow groove 42, the movable rotating handle 4414 can be fixed in the hollow groove 42 in a stable state under the fixed constraint of the convex hook 4413, the soft net 445 is connected between the unfolded movable sub-strips 444, and in the combined state of the two, a fan-shaped object bearing frame can be formed, tools required in the maintenance process can be placed, and the pressure generated by the tools can act on the movable rotating handle 4414 and the convex hook 4413 to further play a role in reinforcement.
Example 2
As shown in fig. 5 to 7:
the invention provides a transversely-spreading electric power overhaul ladder, wherein a transverse handle 43 comprises a positioning sleeve a1, a connecting and hanging buckle a2, a rotary-cutting hanging mechanism a3 and a tail accessory piece a4, the tail accessory piece a4 is installed on the right side of the transverse handle 43 in an embedded mode, the positioning sleeve a1 is welded with the connecting and hanging buckle a2, the rotary-cutting hanging mechanism a3 is installed inside the connecting and hanging buckle a2 in an embedded mode, and the tail accessory piece a4 is made of magnetic materials and can adsorb a front single frame 5 in a bundling state, so that the ladder can have the effect of active attachment and fixation.
The rotary-cutting hanging mechanism a3 comprises a hanging mechanism a31, a connecting handle a32, a supporting frame a33, a restraining pulling handle a34 and an arc pressing plate a35, the hanging mechanism a31 is movably connected with the connecting handle a32, the connecting handle a32 penetrates through the middle of the supporting frame a33 and is connected with the restraining pulling handle a34, the supporting frame a33 is movably connected with the arc pressing plate a35, and when the right side of the arc pressing plate a35 is pressed, the supporting frame a33 is used as a support to assist in pulling the connecting handle a32 laterally.
The supporting and hanging mechanism a31 comprises a spring bar a311, a clamping lock disc a312, a convex lock handle a313 and a lock head a314, wherein the spring bar a311 is fixedly connected with the convex lock handle a313 through the clamping lock disc a312, the lock head a314 and the convex lock handle a313 are integrated, and the spring bar a311 can push the lock head a314 on the convex lock handle a313 away in the opposite direction when the lock head a314 on the convex lock handle a313 approaches to each other, so that the lock head a can keep the power of restoration.
The two male lock handles a313 and the lock head a314 are provided, and are grouped into a transverse clamping hammer, which can be fixed by being embedded in the positioning sleeve a1 in a normal state, and can control the transverse handle 43 to rotate in a release state.
The arc pressing plate a35 is provided with two short-distance elastic locking strips inside on the left side, and the short-distance elastic locking strips are fixed on the back of the arc pressing plate a35, so that the arc pressing plate a35 can be pressed on the right side and pulled to deform, and further the short-distance elastic locking strips are lengthened.
The specific use mode and function of the embodiment are as follows:
according to the invention, through the active pressing on the right side surface of the arc pressing plate a35, the middle of the arc pressing plate a35 is movably connected with the supporting frame a33, the restraining pull handle a34 penetrating through the supporting frame a33 and connected with the connecting handle a32 is made of flexible materials, the connecting handle a32 can be pulled, and because the left side of the arc pressing plate a35 is tilted, the back surface of the arc pressing plate a35 is provided with a sleeve pipe, the connecting handle a32 can be pulled up towards the top end, the connecting handle a32 is made of memory metal, the shape fixing effect is better while the resilience is stronger, when the convex lock handle a313 is pulled, the lock heads a314 fixed on the convex lock handle a313 can be close to each other through the passive restraint of the elastic strip a311, and the lock heads a314 and the positioning sleeve a1 are separated from the positioning sleeve, so that the transverse handle 43 can realize the double-form conversion of unfolding and folding.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a violently exhibition is placed electric power and is overhauld ladder, its structure includes that antiskid sticker (1), hinge piece (2), roof (3), violently exhibition are placed device (4), preceding list frame (5), back list frame (6), its characterized in that:
the anti-skidding paste (1) is divided into two groups, each group is provided with two groups, the anti-skidding paste (1) is fixedly installed at the bottom end of a front single frame (5), the top end of a rear single frame (6) is welded with a rear end top plate (3), the transversely-spreading placement devices (4) are installed on the right side of the front single frame (5) in an embedded mode, the top end of the rear single frame (6) is welded with the front end top plate (3), and the top plates (3) are provided with two groups and connected through hinge pieces (2);
violently exhibition is put device (4) and is put mechanism (44) including half regulation and control mechanism (41), dead slot (42), horizontal handle (43), violently exhibition are revolved, install in the inside of half regulation and control mechanism (41) of revolving through the mode of embedding on horizontal handle (43) left side, inside horizontal handle (43) upper end is located in dead slot (42), violently exhibition is revolved and is put mechanism (44) and horizontal handle (43) swing joint together, it is inside single frame (5) in the front of half regulation and control mechanism (41) fixed mounting.
2. A horizontally extending power service ladder as claimed in claim 1, wherein: the transverse unfolding and rotating mechanism (44) comprises a padlock bearing mechanism (441), a rotating shaft (442), a fixing strip (443), movable dividing strips (444) and soft nets (445), wherein the padlock bearing mechanism (441) is fixedly connected with the fixing strip (443) through the rotating shaft (442), the movable dividing strips (444) are fixedly connected with the fixing strip (443) through the rotating shaft (442), and the soft nets (445) are connected through the movable dividing strips (444).
3. A horizontally extending power service ladder as claimed in claim 2, wherein: the padlock force bearing mechanism (441) comprises a pull piece (4411), a side opening (4412), a convex hook (4413) and a movable rotating handle (4414), wherein the pull piece (4411) and the movable rotating handle (4414) are of an integrated structure, the bottom surface of the convex hook (4413) is attached to the top end of the movable rotating handle (4414), and the movable rotating handle (4414) is installed in the side opening (4412) in an embedded mode.
4. A horizontally extending power service ladder as claimed in claim 1, wherein: the transverse handle (43) comprises a positioning sleeve (a1), a connecting and hanging buckle (a2), a rotary cutting and hanging mechanism (a3) and a tail attachment piece (a4), the tail attachment piece (a4) is installed on the right side of the transverse handle (43) in an embedding mode, the positioning sleeve (a1) is welded with the connecting and hanging buckle (a2), and the rotary cutting and hanging mechanism (a3) is installed inside the connecting and hanging buckle (a2) in an embedding mode.
5. A horizontally extending power service ladder as claimed in claim 4, wherein: the rotary-cut hanging mechanism (a3) comprises a hanging mechanism (a31), a connecting handle (a32), a supporting frame (a33), a restraining pulling handle (a34) and an arc pressing plate (a35), the hanging mechanism (a31) is movably connected with the connecting handle (a32), the connecting handle (a32) penetrates through the middle of the supporting frame (a33) and is connected with the restraining pulling handle (a34), and the supporting frame (a33) is movably connected with the arc pressing plate (a 35).
6. A transversely extending power service ladder as claimed in claim 5, wherein: the supporting and hanging mechanism (a31) comprises an elastic strip (a311), a clamping lock disc (a312), a convex lock handle (a313) and a lock head (a314), wherein the elastic strip (a311) is fixedly connected with the convex lock handle (a313) through the clamping lock disc (a312), and the lock head (a314) and the convex lock handle (a313) are of an integrated structure.
7. A horizontally extending power service ladder as claimed in claim 6, wherein: the two convex lock handles (a313) and the two lock heads (a314) are combined into a transverse extension blocking hammer in a grouping mode.
8. A transversely extending power service ladder as claimed in claim 5, wherein: two short-distance elastic locking strips are arranged inside the left side of the arc pressing plate (a 35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345989.9A CN111005671B (en) | 2019-12-24 | 2019-12-24 | Transversely-unfolded electric power maintenance ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345989.9A CN111005671B (en) | 2019-12-24 | 2019-12-24 | Transversely-unfolded electric power maintenance ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111005671A true CN111005671A (en) | 2020-04-14 |
| CN111005671B CN111005671B (en) | 2021-07-23 |
Family
ID=70116133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911345989.9A Expired - Fee Related CN111005671B (en) | 2019-12-24 | 2019-12-24 | Transversely-unfolded electric power maintenance ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005671B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004011123U1 (en) * | 2004-07-15 | 2004-11-11 | Lin, Cho-Shien | Aluminium double step ladder has four beams, two sets of steps connected by hinged joints at top and fixing screws locking position of identical rods which slide in each other to make up side beams |
| CN101892804A (en) * | 2010-07-01 | 2010-11-24 | 天津市金锚集团有限责任公司 | Ladder |
| CN103437698A (en) * | 2013-08-26 | 2013-12-11 | 国家电网公司 | Retractable insulating ladder for overhaul at high altitude |
| CN104153704A (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | Multifunctional herringbone ladder for electricity maintenance |
| CN104499923A (en) * | 2014-11-26 | 2015-04-08 | 国家电网公司 | Multi-purpose herringbone climbing insulation platform ladder |
| CN205532221U (en) * | 2016-01-25 | 2016-08-31 | 国网山东省电力公司巨野县供电公司 | Electric power transformer overhauls with insulating ladder |
| CN106703675A (en) * | 2017-03-03 | 2017-05-24 | 国网河北省电力公司衡水供电分公司 | Portable insulation ladder for electric power operation maintenance |
-
2019
- 2019-12-24 CN CN201911345989.9A patent/CN111005671B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004011123U1 (en) * | 2004-07-15 | 2004-11-11 | Lin, Cho-Shien | Aluminium double step ladder has four beams, two sets of steps connected by hinged joints at top and fixing screws locking position of identical rods which slide in each other to make up side beams |
| CN101892804A (en) * | 2010-07-01 | 2010-11-24 | 天津市金锚集团有限责任公司 | Ladder |
| CN103437698A (en) * | 2013-08-26 | 2013-12-11 | 国家电网公司 | Retractable insulating ladder for overhaul at high altitude |
| CN104153704A (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | Multifunctional herringbone ladder for electricity maintenance |
| CN104499923A (en) * | 2014-11-26 | 2015-04-08 | 国家电网公司 | Multi-purpose herringbone climbing insulation platform ladder |
| CN205532221U (en) * | 2016-01-25 | 2016-08-31 | 国网山东省电力公司巨野县供电公司 | Electric power transformer overhauls with insulating ladder |
| CN106703675A (en) * | 2017-03-03 | 2017-05-24 | 国网河北省电力公司衡水供电分公司 | Portable insulation ladder for electric power operation maintenance |
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| Publication number | Publication date |
|---|---|
| CN111005671B (en) | 2021-07-23 |
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| CB03 | Change of inventor or designer information |
Inventor after: Ma Guixin Inventor after: Lei Zhenxin Inventor after: Li Simin Inventor after: Lin Yusong Inventor before: Lin Yusong |
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Effective date of registration: 20210705 Address after: 251500 No.137 Kaiyuan street, Linyi County, Dezhou City, Shandong Province Applicant after: LINYI POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. Address before: Electric Power Research Institute, No.500, 2nd Ring South Road, Shizhong District, Jinan City, Shandong Province Applicant before: Lin Yusong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |