CN107859475A - The anti-fall aerial work platform ladder of height adjustable - Google Patents

The anti-fall aerial work platform ladder of height adjustable Download PDF

Info

Publication number
CN107859475A
CN107859475A CN201711321356.5A CN201711321356A CN107859475A CN 107859475 A CN107859475 A CN 107859475A CN 201711321356 A CN201711321356 A CN 201711321356A CN 107859475 A CN107859475 A CN 107859475A
Authority
CN
China
Prior art keywords
ladder
flat board
support frame
work platform
height adjustable
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.)
Granted
Application number
CN201711321356.5A
Other languages
Chinese (zh)
Other versions
CN107859475B (en
Inventor
冯志华
杜蓓蓓
王新建
郭成英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Bozhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Bozhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Bozhou Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711321356.5A priority Critical patent/CN107859475B/en
Publication of CN107859475A publication Critical patent/CN107859475A/en
Application granted granted Critical
Publication of CN107859475B publication Critical patent/CN107859475B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39Ladders having platforms; Ladders changeable into platforms
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/16Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/18Devices for preventing persons from falling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The present invention relates to a kind of anti-fall aerial work platform ladder of height adjustable,Including the flat board for bracketing operating personnel,The lower face of flat board is provided with the installing mechanism fixed with equipment channel-section steel,The upper face of flat board is provided with support column,Fastener is provided with support column,The link for fixing safety belt is provided with fastener,Support frame and ladder are provided with flat board,One end of ladder and one end rotation connection and rotating shaft of support frame are horizontal,The other end of ladder is rotatablely connected with flat board,The other end of support frame forms removable rotation connection with flat board,The rotating shaft of support frame and ladder is horizontal and is parallel to each other,The platform is fixed on equipment channel-section steel by installing mechanism,So as to which effective fixation to the anti-fall device can be realized,Operating personnel is stepped down on flat board,Safety belt passes through link,The double ladder for setting support frame and ladder to form on flat board,Operating personnel is stepped down on ladder,So as to carry out operation for different height position.

Description

The anti-fall aerial work platform ladder of height adjustable
Technical field
The present invention relates to electric power overhaul equipment technical field, and in particular to a kind of anti-fall aerial work platform of height adjustable Ladder.
Background technology
Either center or place, all safety in production are placed on the top priority of every management now.As Guo Wang companies electricity Power enterprise, is more placed on safety in production the most important thing of every management work, and ensuring personal safety the position for being placed on first, It can not be touched as red line.Code will implement every safety measure in power grid construction and plant maintenance, and personal slight wound does not occur And above accident.Provided in State Grid Corporation of China's electric power safety working regulation:In no scaffold or do not having parapeted pin Worked in hand cradle, highly more than 1.5 meters when, should use of seat belts, or take other reliable safety measures.Also provide:Peace The hook or rope of full band should be hung on solid firm component, or are aimed on the steel wire rope of hanging safety belt, and should use height Hang low mode.Forbid hanging on mobile or unstable object [such as disconnecting switch (disconnecting link) support insulator, CVT insulation Son, bus bar column insulator, arrester support insulator etc.].
In electric substation, work high above the ground be present now:1st, it should highly use of seat belts, but isolate more than 1.5 meters Switch (disconnecting link) support insulator, CVT insulators, bus bar column insulator, safety can not be all hung on arrester support insulator Band, if it is exactly serious act of violating regulations on the insulator to hang, during Insulator detection, it will result in falling from high altitude personal safety thing Therefore;2nd, repeat that the act of violating regulations of safety belt extension on the insulator occurs when safety supervision personnel on site supervises;3rd, bucket arm vehicle again not Working site can be entered, bucket arm vehicle can not be used;4th, landing operating platform is set up, electrical safety distance is not easy to meet to require, and It is longer to set up the time;5th, nothing sells special equipment;When the 6th, overhauling disconnecting link or breaker, it can only stand on support channel-section steel, influence work Make efficiency;7. stand on equipment frame channel-section steel, height deficiency, inconvenient job execution;8. it is electric can not to solve electric substation within more than years Repair the act of violating regulations of high-rise working.
The content of the invention
The purpose of the present invention is:There is provided a kind of height adjustable anti-fall aerial work platform ladder, being capable of convenient working personnel station Operation is carried out in the different height of platform, it is ensured that the safety of operating personnel.
To achieve the above object, the present invention adopts the following technical scheme that:
The anti-fall aerial work platform ladder of height adjustable, including the flat board for bracketing operating personnel, the lower plate of the flat board Face is provided with the installing mechanism fixed with equipment channel-section steel, and the upper face of the flat board is provided with support column, set on the support column Fastener is equipped with, the link for fixing safety belt is provided with the fastener, support frame and ladder are provided with the flat board Frame, one end of the ladder and one end rotation connection and rotating shaft of support frame are horizontal, and the other end and the flat board of the ladder rotate Connection, the other end of support frame as described above and flat board form removable rotation connection, the rotating shaft of support frame as described above and ladder it is horizontal and It is parallel to each other.
Following characteristics also be present in the present invention:
The groove for accommodating support frame and ladder is provided with the flat board, one end of the ladder and one end of support frame lead to Cross connection axis connection, the other end of the ladder is provided with rotating shaft and the both sides of groove are rotatablely connected, support frame as described above it is another End is provided with neck and forms clamping engagement with the lock shaft that groove avris is set.
The top rotary type of the neck is provided with lock hook, and the lock hook forms clamping or separated with lock shaft matches somebody with somebody Close.
The installing mechanism includes the lead screw set on flat board, and the lower end of the lead screw is threadedly coupled with locating piece, The rod end that the lead screw stretches out locating piece is provided with locking nut, and fixed arm, the fixed arm are provided with the locating piece Level is overhang and projecting end is provided with Limit screw, and holding equipment slots are formed between the Limit screw, fixed arm and locating piece The bayonet socket of steel, baffle plate is provided with the locating piece, the angle between the plate face and fixed arm length direction of the baffle plate is 90°。
The fastener includes binding round the non-skid band set on the support columns, and the both ends of the non-skid band are respectively with being connected clasp One end connects, the other end both ends rotation connection with driven roller respectively of the connection clasp, the connection clasp and driven roller Rotation connection end and driven roller roller core arranged off-centre, the link is arranged in driven roller.
The non-skid band is in shaft-like and is made up of elastomeric material, and the body of roll stage casing of the driven roller is provided with cantilever, described Link is arranged on the projecting end of cantilever.
The upper end of the support column is provided with Anti-off bolt, and the Anti-off bolt length direction is horizontal and upper with support column Hold the screwed hole connection of outer wall.
The side of the flat board is provided with clamping plate, the clamping plate in frid shape and notch down, the middle position of the clamping plate The grafting block for being equipped with and being connected with support column is installed, punching bolt is provided with the support column, the rod end of the punching bolt is set The second clamp nut is equipped with, the both sides of the grafting block are provided with limited block.
The bar hole passed through for lead screw is offered on the clamping plate, the bar hole is parallel with the length direction of clamping plate.
Compared with prior art, the technique effect that possesses of the present invention is:The platform is fixed on equipment slots by installing mechanism On steel, so as to realize effective fixation to the anti-fall device, operating personnel is stepped down on flat board, and safety belt passes through link, flat The double ladder for setting support frame and ladder to form on plate, operating personnel is stepped down on ladder, so as to enter for different height position Row operation.
Brief description of the drawings
Fig. 1 is the structural representation of the use state of the anti-fall aerial work platform ladder of height adjustable;
Fig. 2 is the flat board top view in the anti-fall aerial work platform ladder of height adjustable;
Fig. 3 is the front view of fastener;
Fig. 4 is fastener and the top view of support column installation;
Fig. 5 is the structural representation of lead screw;
Fig. 6 is the view that support frame and ladder are in expansion.
Embodiment
With reference to Fig. 1 to Fig. 6, the present invention is further described:
The anti-fall aerial work platform ladder of height adjustable, including the flat board 10 for bracketing operating personnel, the flat board 10 Lower face is provided with the installing mechanism fixed with equipment channel-section steel 20, and the upper face of the flat board 10 is provided with support column 40, described Fastener 50 is provided with support column 40, the link 51 for fixing safety belt, the flat board are provided with the fastener 50 Support frame 31 and ladder 32 are provided with 10, one end of the ladder 32 is rotatablely connected with one end of support frame 31 and rotating shaft water Flat, the other end and the flat board 10 of the ladder 32 are rotatablely connected, and the other end and the flat board 10 of support frame as described above 31 form removable Rotation connection, the rotating shaft of support frame as described above 31 and ladder 32 is horizontal and is parallel to each other;
With reference to shown in Fig. 1 and Fig. 6, the platform 10 is fixed on equipment channel-section steel 20 by installing mechanism, so as to realize pair Effective fixation of the anti-fall device, operating personnel are stepped down on flat board 10, and safety belt passes through link 51, and support frame is set on flat board 31 and the double ladder that forms of ladder 32, operating personnel stepped down on ladder 32, so as to carry out operation for different height position.
As the preferred scheme of the present invention, the groove 11 for accommodating support frame 31 and ladder 32 is provided with the flat board 10, One end of the ladder 32 is connected with one end of support frame 31 by connecting shaft 33, and the other end of the ladder 32 is provided with rotating shaft 321 are rotatablely connected with the both sides of groove 11, and the other end of support frame as described above 31 is provided with what neck 311 was set with the avris of groove 11 Lock shaft 111, which is formed, to be engaged by clamping;
Above-mentioned double ladder when in use, by the neck 311 of support frame 31 with the avris of groove 11 set lock shaft 111 in Form and be engaged by clamping, so that support frame 31 and ladder 32 are in the state of opening, convenient working librarian use, work as double ladder When not in use, folding up support frame 31, and ladder 32 is in the centre of support frame 31, support frame 31 and the folding of ladder 32 A tabular is built up, and is contained in groove 11, so as to reduce the space that above-mentioned support frame 31 and ladder 32 take.
With reference to shown in Fig. 6, the lock shaft 111 to avoid the avris of groove 11 from setting removes from the neck 311 of support frame 31, institute The top rotary type for stating neck 311 is provided with lock hook 312, and the lock hook 312 forms clamping or separated with lock shaft 111 matches somebody with somebody Close, above-mentioned lock hook 312 can turn to the lower section of lock shaft 111, realize the lock to lock shaft 111 under self gravitation effect It is fixed.
Specifically, the installing mechanism includes the lead screw 60 that flat board 10 is set, the lower end of the lead screw 60 and positioning Block 61 is threadedly coupled, and the rod end that the lead screw 60 stretches out locating piece 61 is provided with locking nut 62, is set on the locating piece 61 Fixed arm 63 is equipped with, the level of fixed arm 63 overhangs and projecting end is provided with Limit screw 631, the Limit screw 631, consolidates The bayonet socket of holding equipment channel-section steel 20 is formed between fixed arm 63 and locating piece 61, baffle plate 611 is provided with the locating piece 61, it is described Angle between the plate face and the length direction of fixed arm 63 of baffle plate 611 is 90 °.
Operating personnel can be extended downwardly into the side of equipment channel-section steel 20 from flat board 10 by lead screw 60, rotate above-mentioned lead screw 60 so that the bayonet socket holding formed between above-mentioned Limit screw 631, fixed arm 63 and locating piece 61 on equipment channel-section steel 20, And in the presence of baffle plate 611, the further rotation of the fixed arm 33 is limited, to realize the automatic clamping to equipment channel-section steel 20 Enter, one man operation is extremely convenient, then the rotating screw 60 on flat board 10, is revolved so that lead screw 60 is located at locating piece 61 Turn, until by the above-mentioned holding of locating piece 61 on flat board 10, and then the fixation to the platform can be realized.
The fastener 50 includes the non-skid band 52 that hoop is located on support column 40, and the both ends of the non-skid band 52 are respectively with connecting Meet one end connection of clasp 53, the other end both ends rotation connection with driven roller 54 respectively of the connection clasp 53, the company The rotation connection end and the roller core arranged off-centre of driven roller 54, the link 51 for connecing clasp 53 and driven roller 54 are arranged on driven roller 53 On.
The non-skid band 52 is in shaft-like and is made up of elastomeric material, and the body of roll stage casing of the driven roller 54 is provided with cantilever 541, the link 51 is arranged on the projecting end of cantilever 541.
The upper end of the support column 40 is provided with Anti-off bolt 43, the length direction of Anti-off bolt 43 it is horizontal and with support The screwed hole connection of the upper end outer wall of post 40.
The side of the flat board 10 is provided with clamping plate 12, the clamping plate 12 in frid shape and notch down, the clamping plate 12 Medium position be provided with the grafting block 13 being connected with support column 40, punching bolt 41 is provided with the support column 40, it is described The rod end of punching bolt 41 is provided with the second clamp nut 42, and the both sides of the grafting block 13 are provided with limited block 131.
The bar hole 121 passed through for lead screw 30, the length of the bar hole 121 and clamping plate 12 are offered on the clamping plate 12 It is parallel to spend direction.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (9)

1. the anti-fall aerial work platform ladder of height adjustable, it is characterised in that:Including the flat board (10) for bracketing operating personnel, institute The lower face for stating flat board (10) is provided with the installing mechanism fixed with equipment channel-section steel (20), and the upper face of the flat board (10) is set There is support column (40), fastener (50) is provided with the support column (40), be provided with the fastener (50) for fixing The link (51) of safety belt, support frame (31) and ladder (32), one end of the ladder (32) are provided with the flat board (10) Horizontal with one end rotation connection and rotating shaft of support frame (31), the other end and the flat board (10) of the ladder (32) are rotatablely connected, The other end of support frame as described above (31) and the removable rotation connection of flat board (10) composition, support frame as described above (31) and ladder (32) Rotating shaft is horizontal and is parallel to each other.
2. the anti-fall aerial work platform ladder of height adjustable according to claim 1, it is characterised in that:On the flat board (10) It is provided with the groove (11) for accommodating support frame (31) and ladder (32), one end of the ladder (32) and one end of support frame (31) Connected by connecting shaft (33), the other end of the ladder (32) is provided with rotating shaft (321) and the both sides of groove (11) rotate company Connect, the other end of support frame as described above (31), which is provided with neck (311) and formed with the lock shaft (111) that groove (11) avris is set, to be blocked Connect cooperation.
3. the anti-fall aerial work platform ladder of height adjustable according to claim 2, it is characterised in that:The neck (311) Top rotary type be provided with lock hook (312), the lock hook (312) forms clamping with lock shaft (111) or separates cooperation.
4. the anti-fall aerial work platform ladder of height adjustable according to claim 1, it is characterised in that:The installing mechanism bag The lead screw (60) set on flat board (10) is included, the lower end of the lead screw (60) is threadedly coupled with locating piece (61), the spiral shell The rod end that screw mandrel (60) stretches out locating piece (61) is provided with locking nut (62), and fixed arm is provided with the locating piece (61) (63), fixed arm (63) level overhangs and projecting end is provided with Limit screw (631), the Limit screw (631), fixes The bayonet socket of holding equipment channel-section steel (20) is formed between arm (63) and locating piece (61), baffle plate is provided with the locating piece (61) (611), the angle between the plate face of the baffle plate (611) and fixed arm (63) length direction is 90 °.
5. the anti-fall aerial work platform ladder of height adjustable according to claim 1, it is characterised in that:The fastener (50) The non-skid band (52) being located at including hoop on support column (40), the both ends of the non-skid band (52) are respectively with being connected the one of clasp (53) End connection, the other end both ends rotation connection with driven roller (54) respectively of the connection clasp (53), the connection clasp (53) it is arranged on driven roller with the rotation connection end of driven roller (54) and driven roller (54) roller core arranged off-centre, the link (51) (53) on.
6. the anti-fall aerial work platform ladder of height adjustable according to claim 5, it is characterised in that:The non-skid band (52) In shaft-like and be made up of elastomeric material, the body of roll stage casing of the driven roller (54) is provided with cantilever (541), and the link (51) sets Put the projecting end in cantilever (541).
7. the anti-fall aerial work platform ladder of height adjustable according to claim 6, it is characterised in that:The support column (40) Upper end be provided with Anti-off bolt (43), Anti-off bolt (43) length direction it is horizontal and with the upper end outer wall of support column (40) Screwed hole connection.
8. the anti-fall aerial work platform ladder of height adjustable according to claim 4, it is characterised in that:The flat board (10) Side is provided with clamping plate (12), and in frid shape and notch down, the medium position of the clamping plate (12) is set the clamping plate (12) There is the grafting block (13) being connected with support column (40), punching bolt (41), the punching spiral shell are provided with the support column (40) The rod end of bolt (41) is provided with the second clamp nut (42), and the both sides of the grafting block (13) are provided with limited block (131).
9. the anti-fall aerial work platform ladder of height adjustable according to claim 8, it is characterised in that:On the clamping plate (12) The bar hole (121) passed through for lead screw (30) is offered, the bar hole (121) is parallel with the length direction of clamping plate (12).
CN201711321356.5A 2017-12-12 2017-12-12 Height-adjustable anti-falling aerial working platform ladder Active CN107859475B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711321356.5A CN107859475B (en) 2017-12-12 2017-12-12 Height-adjustable anti-falling aerial working platform ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711321356.5A CN107859475B (en) 2017-12-12 2017-12-12 Height-adjustable anti-falling aerial working platform ladder

Publications (2)

Publication Number Publication Date
CN107859475A true CN107859475A (en) 2018-03-30
CN107859475B CN107859475B (en) 2024-05-10

Family

ID=61706155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711321356.5A Active CN107859475B (en) 2017-12-12 2017-12-12 Height-adjustable anti-falling aerial working platform ladder

Country Status (1)

Country Link
CN (1) CN107859475B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110970255A (en) * 2019-12-10 2020-04-07 广东电网有限责任公司 Low-voltage fuse switch baffle
CN112038161A (en) * 2020-09-07 2020-12-04 河南省三禾电气有限公司 Intelligent pole-mounted circuit breaker
CN112398049A (en) * 2020-11-11 2021-02-23 广西电网有限责任公司柳州供电局 Combined insulation flat ladder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992805Y (en) * 2006-12-15 2007-12-19 江苏省电力公司无锡供电公司 Knife inspection scaffold
CN201178253Y (en) * 2008-04-16 2009-01-07 辽宁省电力有限公司沈阳供电公司 Operation platform of knife brake examination
CN101694925A (en) * 2009-09-28 2010-04-14 江苏省电力公司宜兴市供电公司 Maintenance platform
CN203039270U (en) * 2012-12-27 2013-07-03 路平 Isolating switch repair protective frame
CN104600611A (en) * 2015-01-15 2015-05-06 国家电网公司 Portable maintenance platform of disconnecting switch
CN206059992U (en) * 2016-10-11 2017-03-29 国家电网公司 A kind of 10kV distribution box operating platforms with folding ladder
CN207553955U (en) * 2017-12-12 2018-06-29 国网安徽省电力公司亳州供电公司 Highly adjustable anti-fall aerial work platform ladder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200992805Y (en) * 2006-12-15 2007-12-19 江苏省电力公司无锡供电公司 Knife inspection scaffold
CN201178253Y (en) * 2008-04-16 2009-01-07 辽宁省电力有限公司沈阳供电公司 Operation platform of knife brake examination
CN101694925A (en) * 2009-09-28 2010-04-14 江苏省电力公司宜兴市供电公司 Maintenance platform
CN203039270U (en) * 2012-12-27 2013-07-03 路平 Isolating switch repair protective frame
CN104600611A (en) * 2015-01-15 2015-05-06 国家电网公司 Portable maintenance platform of disconnecting switch
CN206059992U (en) * 2016-10-11 2017-03-29 国家电网公司 A kind of 10kV distribution box operating platforms with folding ladder
CN207553955U (en) * 2017-12-12 2018-06-29 国网安徽省电力公司亳州供电公司 Highly adjustable anti-fall aerial work platform ladder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110970255A (en) * 2019-12-10 2020-04-07 广东电网有限责任公司 Low-voltage fuse switch baffle
CN110970255B (en) * 2019-12-10 2022-05-27 广东电网有限责任公司 Low-voltage fuse switch baffle
CN112038161A (en) * 2020-09-07 2020-12-04 河南省三禾电气有限公司 Intelligent pole-mounted circuit breaker
CN112038161B (en) * 2020-09-07 2023-01-13 河南省三禾电气集团有限公司 Intelligent pole-mounted circuit breaker
CN112398049A (en) * 2020-11-11 2021-02-23 广西电网有限责任公司柳州供电局 Combined insulation flat ladder

Also Published As

Publication number Publication date
CN107859475B (en) 2024-05-10

Similar Documents

Publication Publication Date Title
CN107859475A (en) The anti-fall aerial work platform ladder of height adjustable
US20120241255A1 (en) Maintenance platform
CN205928543U (en) Pole overhauls platform
CN207588325U (en) Highly adjustable anti-fall aerial work platform
CN107819290A (en) The anti-fall aerial work platform of height adjustable
CN207553955U (en) Highly adjustable anti-fall aerial work platform ladder
CN201918653U (en) Protective bracket for overhaul of high-voltage disconnectors
CN202616663U (en) Damper replacer for overhead ground wire
CN201883932U (en) Hoop-type vertical insulating single ladder
CN207605258U (en) High-lift operation anti-fall device
CN210266487U (en) Adjustable anemoscope installation device convenient to maintain
CN204679238U (en) The pick-up unit of power construction seat belt hanger
CN204144743U (en) A kind of hanging rack for safety belt of operation on transformer platform
CN203787851U (en) Maintenance device used for power supply and power transmission lines
CN208749208U (en) Communicate shaft tower
CN101615766A (en) A kind of novel ladder that is used for the repairing high-voltage breaker operation
CN108525154A (en) Vertical ladder climbing protector
CN2897312Y (en) Permanent safety tower climbing protector of high-voltage transmission line
CN111478215A (en) Maintenance platform for safety operation of isolating switch
CN205445446U (en) Transformer of high stability overhauls operation with insulating ladder
CN207605259U (en) Adjustable high-lift operation anti-fall device
CN201774165U (en) Equipment maintenance device
CN110364963A (en) A kind of protection rope for conductor cross-arm fastening means
CN204782182U (en) Overhaul operation platform of cable conductor on steel pipe pole
CN204046001U (en) A kind of Portable supporting guard bar installed for the maintenance of 35kV pole-mounted circuit breaker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant