CN107842305B - Maintaining platform ladder and maintaining platform ladder application method - Google Patents
Maintaining platform ladder and maintaining platform ladder application method Download PDFInfo
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- CN107842305B CN107842305B CN201711174612.2A CN201711174612A CN107842305B CN 107842305 B CN107842305 B CN 107842305B CN 201711174612 A CN201711174612 A CN 201711174612A CN 107842305 B CN107842305 B CN 107842305B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 84
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 22
- 238000009434 installation Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 7
- 230000009194 climbing Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
-
- 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
- E06C1/10—Sections fitted end to end
-
- 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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- 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
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- 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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/081—Rungs or other treads comprising anti-slip features
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention is a kind of maintaining platform ladder and maintaining platform ladder application method, is related to electric power maintenance equipment technical field, to solve the problems, such as high existing electric power overhaul equipment safety hidden danger, bad adaptability and inconvenient for use and design.The maintaining platform ladder includes framework link block, platform ladder ontology and anti-fall module.Framework link block is installed architecturally, including Level tune component and vertical adjusting component, adjusts component with vertical by Level tune component, framework link block can be matched with the outer profile of framework, and clamping is architecturally.Platform ladder ontology is mounted in framework link block, and platform ladder ontology is by framework link block and anti-fall insulation module.Anti-fall module is removably mounted on platform ladder ontology, including the link for passing through safety belt.The maintaining platform ladder application method overhauls power equipment using above-mentioned maintaining platform ladder.Maintaining platform ladder provided by the invention is for realizing operator to the repair and maintenance of power equipment in outdoor overhead.
Description
Technical field
The present invention relates to electric power maintenance equipment technical fields more particularly to a kind of maintaining platform ladder and maintaining platform ladder to use
Method.
Background technique
Power supply unit is after a period of work, it usually needs is overhauled, installed or is transformed to it.Picture is switched,
Disconnecting link, PT (Potential Transformer, voltage transformer) and CT (Current Transformer, current transformer)
Etc. power equipment of the voltage class between 36-220KV, be typically mounted at framework top, the height on equipment apogee distance ground
Degree is between 4-7m, apart from disconnecting link framework 2.2-5.2m.
In the prior art, the method overhauled to the power equipment of this kind of installation architecturally usually has following three kinds:
(1) ladder for meeting requirement for height is relied on the porcelain knob of switch, PT or CT, operator station examines in the eminence of ladder
Repair maintenance；(2) herringbone conjunction ladder is placed in ground, operator station closes in herringbone and overhauls on ladder to equipment；(3) utilizing can
Lift maintaining platform is overhauled.Though above-mentioned three kinds of methods, which can be realized, carries out maintenance dimension to the power equipment of installation architecturally
The purpose of shield, but the shortcomings that every kind of method exists to a certain degree.For first method, since directly ladder being rested against
Power equipment will easily cause the damage of power equipment, and not only security risk is higher, and not meet the correlation of power equipment maintenance
Regulation；For second method, herringbone conjunction ladder is more demanding to the planarization on ground when in use, and it usually needs specially
Personnel help, be not only inconvenient, and stability is lower；For the third method, due to liftable inspection platform body
Long-pending and quality is larger, and transport is inconvenient, and when needing equipment to be worked in more compact space, above-mentioned liftable inspection
Equating platform not can guarantee the safe distance between charging member, moreover, this lifting platform also can only be on smooth ground
Work, adaptability are poor.
Summary of the invention
The first purpose of this invention is to provide a kind of maintaining platform ladder, hidden to solve existing electric power overhaul equipment safety
Suffer from high, bad adaptability and technical problem inconvenient for use.
Maintaining platform ladder provided by the invention can be installed on the framework of power equipment, including successively phase from the bottom to top
Framework link block, platform ladder ontology and anti-fall module even.
The framework link block is mounted on the framework, including Level tune component and vertical adjusting component, is passed through
The Level tune component and the vertical adjusting component, the framework link block can be with the outer profiles of the framework
Match, and is clamped on the framework.
The platform ladder ontology is mounted in the framework link block, and the platform ladder ontology connects the framework
Module and the anti-fall insulation module.
The anti-fall module is mounted on the platform ladder ontology, including the link for passing through safety belt, the extension
Ring is two, and two links are arranged at intervals in the anti-fall module；The anti-fall module is removably mounted at described flat
On platform ladder ontology.
Further, further include foldable assembly for being folded to the anti-fall module on the platform ladder ontology.
The anti-fall module includes two spaced anti-fall perpendicular supports, and the foldable assembly is two groups, is rolled over described in each group
Stacked group part includes multiple folding connection pieces, and each folding connection piece passes through the anti-fall perpendicular support and is connected to the platform ladder ontology.
Further, the Level tune component include two first level regulating parts that are coplanar and shifting to install, it is coplanar
And two the second Level tune parts and the first locking member for locking the first level regulating part arranged side by side, described the
One locking member be it is multiple, two the second Level tune parts are ridden upon respectively on two first level regulating parts, each institute
The first locking member is stated to be each passed through each second Level tune part and be connected on corresponding each first level regulating part.
The free end of each first level regulating part is installed with vertical regulating part, and the vertical adjusting component includes setting
Extension adjustment device between the two vertical regulating parts and for the extension adjustment device to be fastened on the vertical tune
The second locking member on part is saved, the extension adjustment device can be slided between the two vertical regulating parts along the vertical direction,
And the distance between the length of the extension adjustment device and two described vertical regulating parts match, each second locking member difference
Across each vertical regulating part and it is connected to the extension adjustment device.
The Level tune component is two groups, and Level tune component described in two groups is coplanar and interval is arranged, and described in two groups
Level tune component is connected.
Further, anti-fall stull is additionally provided between the two anti-fall perpendicular supports.
Further, the first level regulating part includes rectangular tube, and it is sliding that the upper surface of the rectangular tube offers first
Slot, first locking member include the square nut being arranged in the rectangular tube and with the matched bolt of the square nut,
Second Level tune part and the first sliding groove described in the screw bolt passes, and be rotatably connected in the square nut.
Further, the extension adjustment device includes multiple adjusting angle steel, each any right-angle surface for adjusting angle steel
On offer second sliding slot, per adjacent two second sliding slots for adjusting angle steel in be equipped with for the two to be locked the
Three locking members.
Two free ends of the extension adjustment device are installed with sliding guide piece respectively, each sliding guide piece with it is right
Each vertical regulating part answered is slidably matched, and is motion guide of the extension adjustment device in vertical direction.
It further, further include the clamping screw being rotatably connected on each vertical regulating part.
After the maintaining platform ladder is mounted on the framework, the free end of the clamping screw is pushed against in the framework.
Further, the platform ladder ontology includes the perpendicular support of multiple platform ladders, and the perpendicular support of each platform ladder is mounted on described
In framework link block, be installed between the perpendicular support of at least adjacent two platform ladder it is multiple foot-operated, it is each foot-operated to be spaced along the vertical direction
Arrangement.
The perpendicular support of the platform ladder is insulating materials, is provided at the top of the platform ladder exhausted for making operator stand
Listrium.
Further, the insulation board and each described ride are coated with anti-slip layer.
Further, the insulation board and each described ride are coated with anti-slip layer.
Further, further include rotation group for rotating the platform ladder ontology relative to the framework link block
Part.
The rotary components include and the framework link block pivot joint ratchet, the drive for driving the ratchet wheel
Pawl, the check pawl for limiting the platform ladder body position and the pressure for being limited to the check pawl
Piece.
The upper surface of the framework link block extends outward support platform, and the check pawl is hingedly arranged in described
The upper surface of support platform, the tabletting are installed in the support platform, and the compression end of the tabletting is pushed against described stop
It returns on pawl, the platform ladder ontology is limited.
The driving pawl is fixedly arranged on a sliding block, and the upper surface of the support platform is installed with guide groove, the sliding block energy
It is enough to be slided in the guide groove, drive the driving pawl to stir the ratchet.
Support plate is installed on the ratchet, the platform ladder ontology is mounted in the support plate.
Further, further include driving assembly for driving the slide block movement.
The driving component includes the connecting rod hinged with the sliding block and the pedal hinged with the connecting rod, the pedal hinge
It connects in the support platform, is connected with reset spring between the connecting rod and the pedal.
The pedal is stepped on, the connecting rod drives the sliding block to slide in the guide groove, and the driving pawl is stirred
The ratchet；The pedal is unclamped, the sliding block drives the driving ratchet pawl reset.
Maintaining platform ladder of the present invention has the benefit that
The use process of the maintaining platform ladder are as follows: when needing to overhaul the power equipment at outdoor overhead, firstly,
Framework link block is set up architecturally, by adjusting Level tune component and vertical adjusting component, makes framework link block
Match with the outer profile of framework, and architecturally by the clamping of framework link block；Then, operator passes through platform ladder ontology
Climbing motion is carried out, after climbing in place, safety belt is passed through into link, and power equipment is overhauled and safeguarded.Maintenance is completed
Afterwards, when needing to transport maintaining platform ladder into next maintenance position to, anti-fall module can be removed from platform ladder ontology, thus
Realize the seperated transport of maintaining platform ladder.
The maintaining platform ladder is realized by setting Level tune component and vertical adjusting component to framework link block
It adjusts, so that its installation dimension is matched with the framework of different size, and can finally make framework link block clamping
Architecturally, to ensure that the reliability that maintaining platform ladder is architecturally installed, safety when upkeep operation is substantially increased
Coefficient.Also, the maintaining platform ladder is at work, helps without special messenger, reduces labor intensity, very convenient.Pass through setting
Anti-fall module improves the higher feelings of security risk caused by needing for safety belt to be suspended in the past on insulation porcelain knob well
Shape, meanwhile, the setting form of double links also greatly ensure that safety of the operator in maintenance process, in certain journey
The generation of falling from high altitude is avoided on degree.
Anti-fall module can be folded to platform so that the maintaining platform ladder is during transportation by the setting of foldable assembly
On terraced ontology.Such setting not only reduces the volume of maintaining platform ladder on the whole, has saved transport space, moreover, also
Realize the whole Transporting of maintaining platform ladder.In addition, by setting Quick Release bolt with realize anti-fall module and platform ladder ontology it
Between be fixedly connected and folded state, substantially reduce assembling and the activity duration of maintaining platform ladder, thus improve operation effect
Rate.
Level tune component and the vertical process for adjusting component and framework link block being adjusted are as follows: connected when by framework
After module is set up architecturally, the first level regulating part shifted to install is adjusted according to the width of framework, makes its elongation
Or shorten, after adjusting in place, so that the second Level tune part is lock onto first level regulating part using the first locking member, at this point, position
In both ends vertical regulating part clamping architecturally；Then, extension adjustment device is packed into two vertical regulating parts separately
Between, according to the height of framework, the distance between extension adjustment device and first level regulating part are adjusted, so that framework
Link block can just hold framework tightly；After adjusting in place, extension adjustment device is fixed on vertically using the second locking member
On regulating part.
In addition, the maintaining platform ladder, which is directly installed on framework, carries out operation, a higher inspection is architecturally established
Equating platform carries out repair and maintenance convenient for operator.Also, this set form improves in the past due to ground environment to stepping on
Senior engineer has the drawbacks of limited, and operation can be carried out under the ground environment of Various Complex, and adaptability is stronger.In addition, the inspection
Repair that platform ladder structure is simple, and scheme is easily achieved, cost is relatively low, has important meaning for the power equipment maintenance in outdoor overhead
Justice.
Second object of the present invention is to provide a kind of maintaining platform ladder application method, be set with solving existing electric power overhaul
Standby security risk height, bad adaptability and technical problem inconvenient for use.
Maintaining platform ladder application method provided by the invention, using above-mentioned maintaining platform ladder to the power equipment of outdoor overhead
It is overhauled, is included the following steps:
S10: the maintaining platform ladder is placed on framework, is overlapped on the first level regulating part in framework link block
On framework；
S20: first level regulating part that is coplanar and shifting to install is adjusted, enables vertical regulating part in framework
Clamping framework in width direction is locked first level regulating part and the second Level tune part using the first locking member；
S30: extension adjustment device is mounted between the vertical regulating part of two parallel with framework width direction, makes to stretch
Contracting regulating device and first level regulating part clamping framework in the vertical direction jointly, are filled telescopic adjustment using the second locking member
It sets and is fixed on vertical regulating part；
S40: turn clamping screw pushes against its free end architecturally；
S50: operator climbs upwards along platform ladder ontology, and safety belt is threaded through on link, carries out to power equipment
Maintenance.
Maintaining platform ladder application method of the present invention has the benefit that
Correspondingly, the maintaining platform ladder application method has the institute of above-mentioned maintaining platform ladder advantageous, herein no longer one by one
It repeats.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view of maintaining platform ladder of the embodiment of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the left view structural representation of maintaining platform ladder in Fig. 1；
Fig. 4 is the partial enlarged view in Fig. 3 at B；
Fig. 5 is the overlooking structure diagram of the framework link block in Fig. 1 in maintaining platform ladder；
Fig. 6 is in left view structural representation when folded state for maintaining platform ladder in Fig. 1；
Fig. 7 is the schematic view of the front view of another kind of embodiment of the present invention maintaining platform ladder；
Fig. 8 is the partial enlarged view in Fig. 7 at C；
Fig. 9 is the D-D schematic cross-sectional view in Fig. 7；
Figure 10 is the E-E schematic cross-sectional view in Fig. 9.
Icon: 10- framework link block；20- platform ladder ontology；The anti-fall module of 30-；40- foldable assembly；50- rotation group
Part；11- Level tune component；12- adjusts component vertically；111- first level regulating part；112- first sliding groove；The second water of 113-
Flat regulating part；The first locking member of 114-；The first connector of 115-；116- support platform；The vertical regulating part of 121-；122- adjusts angle
Steel；123- second sliding slot；124- third locking member；125- channel steel；The second locking member of 126-；127- clamping screw；128- third
Sliding slot；129- reinforcement by connection part；21- casing；The perpendicular support of 22- platform ladder；23- is foot-operated；24- ribs；25- platform ladder stull；26-
Insulation board；The anti-fall perpendicular support of 31-；The anti-fall stull of 32-；33- link；51- ratchet；52- sliding block；53- pedal；54- connecting rod；55- is multiple
Position spring；56- check pawl；57- guide groove；58- drives pawl；59- support plate；561- tabletting；571- limiting slot.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to technology of the invention
Scheme carries out clear, complete description.Obviously, the described embodiments are merely a part of the embodiments of the present invention, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "vertical", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, it is only for is retouched convenient for the description present invention and simplification
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be straight
It connects connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in figures 1 and 3, a kind of maintaining platform ladder is present embodiments provided, including the frame being sequentially connected from the bottom to top
Structure link block 10, platform ladder ontology 20 and anti-fall module 30.Wherein, framework link block 10 is installed architecturally, including water
Heibei provincial opera section component 11 and vertical adjusting component 12.By Level tune component 11 and vertical adjusting component 12, so that framework connects
Module 10 can be matched with the outer profile of framework, and clamping is architecturally.Platform ladder ontology 20 is mounted on framework link block 10
On, and platform ladder ontology 20 insulate framework link block 10 and anti-fall module 30.Anti-fall module 30 is mounted on platform ladder ontology
On 20, including the link 33 for passing through safety belt, specifically, link 33 is two, two links 33 are arranged at intervals on anti-
It falls in module 30.In the present embodiment, anti-fall module 30, which is detachably fixed, to be mounted on platform ladder ontology 20.
The use process of the maintaining platform ladder are as follows: when needing to overhaul the power equipment at outdoor overhead, firstly,
Framework link block 10 is set up architecturally, by adjusting Level tune component 11 and vertical adjusting component 12, connects framework
Connection module 10 and the outer profile of framework match, and architecturally by 10 clamping of framework link block；Then, operator passes through
Platform ladder ontology 20 carry out climbing motion, climbing in place after, by safety belt pass through link 33, and to power equipment carry out maintenance and
Maintenance.It, can be by anti-fall module 30 from platform ladder when needing to transport maintaining platform ladder into next maintenance position to after the completion of maintenance
It is removed on ontology 20, to realize the seperated transport of maintaining platform ladder.
As shown in fig. 6, the maintaining platform ladder can also include for anti-fall module 30 to be folded to platform in the present embodiment
Foldable assembly 40 on terraced ontology 20.In conjunction with Fig. 1 and Fig. 3, specifically, anti-fall module 30 includes two spaced anti-fall perpendicular
Support 31, foldable assembly 40 are two groups, and each group foldable assembly 40 includes multiple folding connection pieces, and each folding connection piece passes through anti-fall perpendicular
Support 31 is simultaneously connected to platform ladder ontology 20.In the present embodiment, every group of foldable assembly 40 includes two folding connection pieces, and respectively folds
Connector is spaced setting along the vertical direction.
Please continue to refer to Fig. 1 and Fig. 3, in the present embodiment, folding connection piece can be Quick Release bolt, also, in platform ladder
The upper end of perpendicular support 22 and the lower end of anti-fall perpendicular support 31 are set with steel bushing, the perpendicular support 22 of Quick Release screw bolt passes platform ladder and anti-fall
Perpendicular support 31 and its respectively on steel bushing, and screw in locking nut in its free end, anti-fall module 30 just realized with this in platform
Being fixedly connected on terraced ontology 20.When needing to carry out folding operation to anti-fall module 30, handle on turn Quick Release bolt will
One group of Quick Release bolt in each foldable assembly 40 on corresponding position removes, and only retains one group of Quick Release bolt of coaxial arrangement, this
When, become articulated connection state between anti-fall module 30 and platform ladder ontology 20.Anti-fall module 30 is rotated, can be folded to
On platform ladder ontology 20, as shown in Figure 6.
Please continue to refer to Fig. 1 and Fig. 3, and Fig. 2, Fig. 4 and Fig. 5 are combined, in the present embodiment, Level tune component 11 includes altogether
Face and the two first level regulating parts 111 shifted to install, coplanar and arranged side by side two the second Level tune parts 113 and use
In the first locking member 114 of locking first level regulating part 111.Specifically, the first locking member 114 is multiple, two the second water
Flat regulating part 113 is ridden upon respectively on two first level regulating parts 111, and each first locking member 114 is each passed through each second water
Flat regulating part 113 is simultaneously connected on corresponding each first level regulating part 111.
The free end of each first level regulating part 111 is installed with vertical regulating part 121, specifically, adjusting component 12 vertically
Including the extension adjustment device being arranged between two vertical regulating parts 121 and for extension adjustment device to be fastened on vertical adjusting
The second locking member 126 on part 121, wherein extension adjustment device can be sliding between two vertical regulating parts 121 along the vertical direction
It is dynamic, also, the distance between the length of extension adjustment device and two vertical regulating parts 121 match, each difference of second locking member 126
Across each vertical regulating part 121 and it is connected to extension adjustment device.
The maintaining platform ladder realizes by setting Level tune component 11 and vertical adjusting component 12 and connects mould to framework
The adjusting of block 10 enables its installation dimension to be matched with the framework of different size, and framework can finally be made to connect mould
10 clamping of block architecturally, to ensure that the reliability that maintaining platform ladder is architecturally installed, substantially increases upkeep operation
When safety coefficient.Also, the maintaining platform ladder is at work, helps without special messenger, reduces labor intensity, very convenient.
By the way that anti-fall module 30 is arranged, security risk caused by needing for safety belt to be suspended in the past on insulation porcelain knob is improved well
Higher situation, meanwhile, the setting form of double links 33 also greatly ensure that safety of the operator in maintenance process
Property, the generation of falling from high altitude is avoided to a certain extent.
Anti-fall module 30 can be folded to by the setting of foldable assembly 40 so that the maintaining platform ladder is during transportation
On platform ladder ontology 20.Such setting not only reduces the volume of maintaining platform ladder on the whole, has saved transport space,
Moreover, also achieving the whole Transporting of maintaining platform ladder.In addition, by setting Quick Release bolt to realize anti-fall module 30 and platform
Being fixedly connected between terraced ontology 20 and folded state substantially reduce assembling and the activity duration of maintaining platform ladder, to mention
High operating efficiency.
The Level tune component 11 and the vertical process for adjusting component 12 and framework link block 10 being adjusted are as follows: as general
After framework link block 10 is set up architecturally, the first level regulating part 111 shifted to install is carried out according to the width of framework
It adjusts, elongates or shortens it, after adjusting in place, so that the second Level tune part 113 is lock onto first using the first locking member 114
Level tune part 111, at this point, being located at 121 clamping of vertical regulating part at both ends architecturally；Then, extension adjustment device is filled
Enter between two vertical regulating parts 121 separately, according to the height of framework, to extension adjustment device and first level regulating part
The distance between 111 are adjusted, so that framework link block 10 can just hold framework tightly；After adjusting in place, the is utilized
Extension adjustment device is fixed on vertical regulating part 121 by two locking members 126.
In addition, the maintaining platform ladder, which is directly installed on framework, carries out operation, a higher inspection is architecturally established
Equating platform carries out repair and maintenance convenient for operator.Also, this set form improves in the past due to ground environment to stepping on
Senior engineer has the drawbacks of limited, and operation can be carried out under the ground environment of Various Complex, and adaptability is stronger.In addition, the inspection
Repair that platform ladder structure is simple, and scheme is easily achieved, cost is relatively low, has important meaning for the power equipment maintenance in outdoor overhead
Justice.
Framework refers to the support connection device in power equipment, usually steel frame construction, it may be assumed that several girder constructions connect shape
At frame body.
Please continue to refer to Fig. 1, in the present embodiment, anti-fall stull 32 can also be set between two anti-fall perpendicular supports 31.Anti-fall cross
The setting of support 32, substantially increases the structural strength of anti-fall module 30.
It should be noted that in the present embodiment, vertical regulating part 121 offers third sliding slot 128 along the vertical direction, second
Locking member 126 passes through third sliding slot 128 and locks extension adjustment device.
In order to further increase the installation stability of framework link block 10, in the present embodiment, Level tune component 11 can
Think two groups, two groups of Level tune components 11 are coplanar and interval is arranged, and two groups of Level tune components 11 are connected.Specifically, asking
With continued reference to Fig. 5, in the present embodiment, the first connector 115 is connected between spaced second Level tune part 113,
A connection piece 115 is two, and two the first connectors 115 are symmetrical arranged.The setting of first connector 115, makes itself and interval
The platform for being carried to superstructure is collectively formed in the second Level tune part 113 being arranged, and improves the area of carrying,
And improve bearing capacity.
It should be noted that may be used also between fixed vertical connector on two groups of Level tune components 11 in the present embodiment
Reinforcement by connection part 129 is arranged, specifically, the both ends of reinforcement by connection part 129 are fixedly connected with ipsilateral vertical connector.Connection
The setting of reinforcing member 129 not only further improves the bearing stability of framework link block 10, also, passes through reinforcement by connection
Part 129 easily can also apply thrust or pulling force to the first level regulating part 111 shifted to install, thus quickly by frame
Structure clamping.
In the present embodiment, first level regulating part 111 includes rectangular tube, and the upper surface of rectangular tube offers first sliding groove
112, the first locking member 114 include the square nut that is arranged in rectangular tube and with the matched bolt of square nut, wherein bolt
The second Level tune part 113 and first sliding groove 112 are sequentially passed through, and is rotatably connected in square nut.
The setting of square nut can generate rotary spacing using space of the outer profile inside rectangular tube, to protect
Bolt is demonstrate,proved during screwing, can be reliably tightened in square nut.This screw-fashion, structure is simple, cost compared with
Low, connection is reliable, and the form in rectangular tube is arranged in square nut, also avoid to a certain extent the defect of part with
It loses.
It should be noted that above-mentioned bolt can be Quick Release bolt in the present embodiment.When in use, operator passes through
Quick locking and disassembly can be realized in the handle of turn Quick Release bolt, not only eliminates the cumbersome stream for needing extracting tool to assist
Journey, so that operator can easily realize above-mentioned adjustment process without carrying a large amount of heavy tools, moreover, this set shape
Formula shortens regulating time, practical to prove to substantially increase overhaul efficiency, the overhaul efficiency ratio of the maintaining platform ladder with
Toward improving nearly 40%, the functional reliability of the present embodiment maintaining platform ladder is further ensured.
Please continue to refer to Fig. 2, in the present embodiment, extension adjustment device includes multiple adjusting angle steel 122, respectively adjusts angle steel
Second sliding slot 123 is offered in 122 any right-angle surface, is worn in the second sliding slot 123 per adjacent two adjustings angle steel 122 useful
In the third locking member 124 for locking the two.Two free ends of extension adjustment device are installed with sliding guide piece, each cunning respectively
Lower moving guide is slidably matched with corresponding each vertical regulating part 121, with for extension adjustment device sliding in the vertical direction into
Row guiding.By the way that the relative position between adjacent two adjustings angle steel 122 is adjusted and is fixed, can realize to telescopic adjustment
The length adjustment of device, to reach and the matched purpose of framework width.
Please continue to refer to Fig. 2, in the present embodiment, adjusting angle steel 122 can be two.
It should be noted that as shown in Figure 2 and Figure 4, in the present embodiment, the structure and beneficial effect of third locking member 124
Similar with the first locking member 114, details are not described herein.
Please continue to refer to Fig. 2, in the present embodiment, sliding guide piece can be channel steel 125.Wherein, the bottom surface of channel steel 125 with
Two sliding ends of extension adjustment device are fixedly connected, and one end of fluting is then connected on vertical regulating part 121, utilize channel steel
125 act on the clamping of vertical regulating part 121, realize the guiding to extension adjustment device.
Channel steel 125 has been fixedly mounted on the bottom surface with stud, and each stud is each passed through on its vertical regulating part 121 for corresponding to side
Third sliding slot 128, also, the free end of stud is screwed with locking nut, wherein there is handle, so that locking on locking nut
Nut forms Fast dismountable screw nut.
In the present embodiment, in framework link block 10, first level regulating part 111, the first connector 115, vertical adjusting
Part 121, reinforcement by connection part 129 all can be rectangular tube, and each rectangular tube can be galvanized iron conduit.Certainly, above-mentioned each component
It can be the structure type of steel plate or U-steel.
Please continue to refer to Fig. 2 and Fig. 4, in the present embodiment, which can also include being rotatably connected in each vertical adjusting
Clamping screw 127 on part 121.After maintaining platform ladder is installed architecturally, the free end of clamping screw 127 is pushed against in frame
Structure.
By setting clamping screw 127, the installation stability of framework link block 10 architecturally is further ensured, from
And improve the functional reliability of the present embodiment maintaining platform ladder.
Please continue to refer to Fig. 1 and Fig. 3, in the present embodiment, platform ladder ontology 20 may include the perpendicular support 22 of multiple platform ladders, respectively
The perpendicular support 22 of platform ladder is mounted in framework link block 10, is installed with multiple foot-operated 23 between the perpendicular support 22 of supreme adjacent two platform ladder,
Each foot-operated 23 arranged for interval along the vertical direction.Wherein, the perpendicular support 22 of platform ladder is insulating materials, is provided with and is used at the top of platform ladder
The insulation board 26 for making operator stand.
Please continue to refer to Fig. 5, in the present embodiment, casing 21 is provided on the upper surface of the first connector 115, platform ladder is perpendicular
Support 22 is plugged in above-mentioned casing 21, and fixed.Operator can use foot-operated 23 and rise at Awaiting Overhaul height and position, right
Power equipment is overhauled.
In the present embodiment, the perpendicular support 22 of platform ladder is four, and the perpendicular support 22 of four platforms ladder is plugged on respectively in four casings 21,
Four casings 21 are symmetricly set on the first connector 115.Foot-operated 23 are disposed therein between the perpendicular support 22 of adjacent two platform ladder,
Platform ladder stull 25 is provided on its lap of platform ladder ontology 20, platform ladder stull 25 is connected to the perpendicular support 22 of adjacent two platform ladder
Between, reinforcement effect is played to platform ladder ontology 20.
In the present embodiment, please continue to refer to Fig. 1, ribs 24 can be set between foot-operated 23 and the perpendicular support 22 of platform ladder.Add
The setting of strong rib 24, substantially increases foot-operated 23 bearing capacity, to extend the use longevity of the present embodiment maintaining platform ladder
Life.
It should be noted that ribs 24 can be connecting plate, also, connecting plate can be using riveting in the present embodiment
Mode be fixedly connected with foot-operated 23 and the perpendicular support 22 of platform ladder.
It should also be noted that, platform ladder ontology 20 can be the structure that above-mentioned cross section is quadrangle in the present embodiment
Form, but it is not limited solely to this, other structures form can also be used, such as: triangle or circle, also, in each phase
It can be set foot-operated 23 between the adjacent perpendicular support 22 of two platform ladders.When being overhauled using the maintaining platform ladder to power equipment,
Operator can climb from all angles, to find most suitable maintenance position.Meanwhile being arranged on remaining each face
Foot-operated 23, reinforcement effect can also be played.
In the present embodiment, platform ladder stull 25 and the perpendicular support 22 of platform ladder can use glass-reinforced plastic material, can also use
The other materials such as aluminum pipe or aluminium-alloy pipe.
In the present embodiment, anti-slip layer can be coated on insulation board 26 and each foot-operated 23.Such setting improves operation
Contact friction force of the personnel in climbing process and maintenance process between platform ladder ontology 20, further improves operation process
In safety coefficient.
As shown in fig. 7, the maintaining platform ladder can also include for making platform ladder ontology 20 relative to frame in the present embodiment
The rotary components 50 that structure link block 10 rotates.Specifically, as shown in Figure 8 and Figure 9, rotary components 50 include connecting mould with framework
Block 10 be pivotally connected ratchet 51, for driving pawl 51 rotate driving pawl 58, for limit 20 position of platform ladder ontology stop
Return pawl 56 and the tabletting 561 for being limited to check pawl 56.Wherein, the upper surface of framework link block 10 is to extension
Support platform 116 is stretched out, the upper surface of support platform 116 is hingedly arranged in check pawl 56, and tabletting 561 is installed in support platform
On 116, and the compression end of tabletting 561 is pushed against on check pawl 56, to realize the limit to platform ladder ontology 20.In conjunction with figure
10, driving pawl 58 is installed on a sliding block 52, and the upper surface of support platform 116 is installed with guide groove 57, and sliding block 52 can be
It is slided in guide groove 57, driving pawl 58 is driven to stir ratchet 51.Also, support plate 59 is installed on ratchet 51, platform ladder sheet
Body 20 is mounted in support plate 59.
When the certain angle of device (platform ladder ontology 20 and anti-fall module 30) rotation for needing to make 10 top of framework link block
When spending, sliding block 52 can be driven, moves sliding block 52 in guide groove 57, to drive the driving pawl being installed on sliding block 52
58 stir ratchet 51, rotate ratchet 51, and then drive the platform ladder ontology 20 being mounted in support plate 59 and anti-fall module 30
Rotation.Meanwhile the setting of check pawl 56, but also position is fixed after ratchet 51 rotates, to realize operator to electric power
The smooth maintenance of equipment.
The setting of rotary components 50 realizes the control of the rotation to platform ladder ontology 20 and anti-fall module 30, so that operation
Personnel can carry out rotation adjusting to platform ladder ontology 20 and anti-fall module 30, to obtain according to the position of power equipment to be overhauled
It obtains and most preferably overhauls position.Such setting, further improves the adaptability of the present embodiment maintaining platform ladder, and function more adds
It is kind.
Please continue to refer to Figure 10, in the present embodiment, limiting slot 571 can also be set on guide groove 57, driving pawl 58 from
Ratchet 51 is stirred in the stretching of limiting slot 571.
Please continue to refer to Fig. 8, Fig. 9 and Figure 10, in the present embodiment, which can also include for driving sliding block
The driving assembly of 52 movements.Specifically, driving assembly includes and the hinged connecting rod 54 of sliding block 52 and the pedal hinged with connecting rod 54
53, pedal 53 is hinged in support platform 116, and reset spring 55 is connected between connecting rod 54 and pedal 53.
After stepping on pedal 53, connecting rod 54 drives sliding block 52 to slide in guide groove 57, and driving pawl 58 stirs ratchet 51, makes
Platform ladder ontology 20 and anti-fall module 30 turn over certain angle；After unclamping pedal 53, sliding block 52 drives driving pawl 58 to reset, etc.
To the rotation control next time to ratchet 51.
The setting form of this driving assembly so that operator by constantly step on and release movement, can realize
The adjusting of angle is rotated to platform ladder ontology 20 and anti-fall module 30, it is easy to operate, it is very convenient.
It should be noted that driving assembly can be the above-mentioned structure type controlled by manpower in the present embodiment, but
It is not limited solely to this, automatic control mode can also be used, such as: the rotary motion of motor is converted sliding block 52 by motor
It moves horizontally, also, the direction of rotation of motor and turnning circle can also be set using PLC, to realize to ratchet
51 automatic and accurate driving.
The present invention also provides a kind of maintaining platform ladder application methods, using above-mentioned maintaining platform ladder to the electricity of outdoor overhead
Power equipment is overhauled, and is included the following steps:
S10: the maintaining platform ladder is placed on framework, makes the first level regulating part 111 in framework link block 10
Overlap joint is architecturally；
S20: first level regulating part 111 that is coplanar and shifting to install is adjusted, vertical regulating part 121 is enable to exist
Clamping framework in the width direction of framework, using the first locking member 114 by first level regulating part 111 and the second Level tune part
113 lockings；
S30: extension adjustment device is mounted between the vertical regulating part 121 of two parallel with framework width direction,
Make extension adjustment device and the common clamping framework in the vertical direction of first level regulating part 111, it will using the second locking member 126
Extension adjustment device is fixed on vertical regulating part 121；
S40: turn clamping screw 127 pushes against its free end architecturally；
S50: operator climbs upwards along platform ladder ontology 20, safety belt is threaded through on link 33, to power equipment
It is overhauled.
Correspondingly, the maintaining platform ladder application method has the institute of above-mentioned maintaining platform ladder advantageous, herein no longer one by one
It repeats.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of maintaining platform ladder can be installed on the framework of power equipment, which is characterized in that including successively phase from the bottom to top
Framework link block (10), platform ladder ontology (20) and anti-fall module (30) even；
The framework link block (10) is mounted on the framework, including Level tune component (11) and vertical adjusting component
(12), by the Level tune component (11) and the vertical adjusting component (12), the framework link block (10) can
It matches, and is clamped on the framework with the outer profile of the framework；
The platform ladder ontology (20) is mounted on the framework link block (10), and the platform ladder ontology (20) will be described
Framework link block (10) and the anti-fall module (30) insulation；
The anti-fall module (30) is mounted on the platform ladder ontology (20), including the link for passing through safety belt
(33), the link (33) is two, and two links (33) are arranged at intervals on the anti-fall module (30)；It is described anti-fall
Module (30) is removably mounted on the platform ladder ontology (20)；
The maintaining platform ladder further includes the folding for being folded to the anti-fall module (30) on the platform ladder ontology (20)
Stacked group part (40)；
The anti-fall module (30) includes two spaced anti-fall perpendicular supports (31), and the foldable assembly (40) is two groups, respectively
The group foldable assembly (40) includes multiple folding connection pieces, and each folding connection piece passes through the anti-fall perpendicular support (31) and is connected to
The platform ladder ontology (20)；
The Level tune component (11) includes two first level regulating parts (111) that are coplanar and shifting to install, coplanar and simultaneously
Two the second Level tune parts (113) and the first locking member for locking the first level regulating part (111) for arranging setting
(114), first locking member (114) is multiple, and two the second Level tune parts (113) are ridden upon respectively described in two
On first level regulating part (111), each first locking member (114) is each passed through each second Level tune part (113)
And it is connected on corresponding each first level regulating part (111)；
The free end of each first level regulating part (111) is installed with vertical regulating part (121), the vertical adjusting component
It (12) include that extension adjustment device between the two vertical regulating parts (121) is set and for by the extension adjustment device
The second locking member (126) being fastened on the vertical regulating part (121), the extension adjustment device can exist along the vertical direction
It is slided between the two vertical regulating parts (121), and the length of the extension adjustment device and the two vertical regulating parts (121)
The distance between matching, each second locking member (126) be each passed through each vertical regulating part (121) and be connected to described
Extension adjustment device；
The Level tune component (11) is two groups, and Level tune component (11) described in two groups is coplanar and interval is arranged, and two groups
The Level tune component (11) is connected.
2. maintaining platform ladder according to claim 1, which is characterized in that be additionally provided between the two anti-fall perpendicular supports (31)
Anti-fall stull (32).
3. maintaining platform ladder according to claim 1, which is characterized in that the first level regulating part (111) includes square
Shape pipe, the upper surface of the rectangular tube offer first sliding groove (112), and first locking member (114) includes being arranged described
Square nut in rectangular tube and with the matched bolt of the square nut, the second Level tune described in the screw bolt passes
Part (113) and the first sliding groove (112), and be rotatably connected in the square nut.
4. maintaining platform ladder according to claim 1, which is characterized in that the extension adjustment device includes multiple adjusting angles
Steel (122) offers second sliding slot (123) in each any right-angle surface for adjusting angle steel (122), per adjacent two adjusting
The third locking member (124) for locking the two is equipped in the second sliding slot (123) of angle steel (122)；
Two free ends of the extension adjustment device are installed with sliding guide piece respectively, each sliding guide piece with it is corresponding
Each vertical regulating part (121) is slidably matched, and is motion guide of the extension adjustment device in vertical direction.
5. maintaining platform ladder according to claim 1, which is characterized in that further include being rotatably connected in each vertical regulating part
(121) clamping screw (127) on；
After the maintaining platform ladder is mounted on the framework, the free end of the clamping screw (127) is pushed against in the framework.
6. maintaining platform ladder according to claim 1, which is characterized in that the platform ladder ontology (20) includes multiple platforms
The perpendicular support (22) of ladder, the perpendicular support (22) of each platform ladder are mounted on the framework link block (10), and at least adjacent two is described flat
It is installed with multiple foot-operated (23) between the perpendicular support (22) of platform ladder, it is each to ride (23) arranged for interval along the vertical direction；
The perpendicular support (22) of the platform ladder is insulating materials, is provided at the top of the platform ladder exhausted for making operator stand
Listrium (26).
7. maintaining platform ladder according to claim 6, which is characterized in that the insulation board (26) and each foot-operated (23)
On be coated with anti-slip layer.
8. maintaining platform ladder according to claim 1, which is characterized in that further include for making the platform ladder ontology (20)
Rotary components (50) relative to the framework link block (10) rotation；
The rotary components (50) include with the ratchet (51) of the framework link block (10) pivot joint, for driving the ratchet
(51) the driving pawl (58) that rotates, the check pawl (56) for limiting platform ladder ontology (20) position and for institute
State the tabletting (561) that check pawl (56) is limited；
The upper surface of the framework link block (10) extends outward support platform (116), and the check pawl (56) is hinged
Upper surface in the support platform (116) is set, and the tabletting (561) is installed on the support platform (116), and described
The compression end of tabletting (561) is pushed against on the check pawl (56), is limited to the platform ladder ontology (20)；
The driving pawl (58) is fixedly arranged on a sliding block (52), and the upper surface of the support platform (116) is installed with guide groove
(57), the sliding block (52) can be slided in the guide groove (57), and the driving pawl (58) is driven to stir the ratchet
(51)；
It is installed with support plate (59) on the ratchet (51), the platform ladder ontology (20) is mounted on the support plate (59).
9. maintaining platform ladder according to claim 8, which is characterized in that further include for driving the sliding block (52) to move
Driving assembly；
The driving component includes and the hinged connecting rod (54) of the sliding block (52) and the pedal hinged with the connecting rod (54)
(53), the pedal (53) is hinged on the support platform (116), connects between the connecting rod (54) and the pedal (53)
There are reset spring (55)；
It steps on the pedal (53), the connecting rod (54) drives the sliding block (52) sliding in the guide groove (57), described
The ratchet (51) are stirred in driving pawl (58)；It unclamps the pedal (53), the sliding block (52) drives the driving pawl
(58) it resets.
10. a kind of maintaining platform ladder application method, which is characterized in that utilize the described in any item inspection platforms of claim 1-9
Ladder overhauls the power equipment of outdoor overhead, includes the following steps:
S10: the maintaining platform ladder is placed on framework, makes the first level regulating part (111) in framework link block (10)
Overlap joint is architecturally；
S20: being adjusted first level regulating part (111) that is coplanar and shifting to install, makes vertical regulating part (121) can be
Clamping framework in the width direction of framework is adjusted first level regulating part (111) and the second level using the first locking member (114)
Save part (113) locking；
S30: extension adjustment device is mounted between the vertical regulating part (121) of two parallel with framework width direction, is made
Extension adjustment device and first level regulating part (111) common clamping framework in the vertical direction, utilize the second locking member (126)
Extension adjustment device is fixed on vertical regulating part (121)；S40: turn clamping screw (127) is pushed against its free end
On framework；
S50: operator climbs upwards along platform ladder ontology (20), safety belt is threaded through on link (33), to power equipment
It is overhauled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174612.2A CN107842305B (en) | 2017-11-22 | 2017-11-22 | Maintaining platform ladder and maintaining platform ladder application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174612.2A CN107842305B (en) | 2017-11-22 | 2017-11-22 | Maintaining platform ladder and maintaining platform ladder application method |
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| Publication Number | Publication Date |
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| CN107842305A CN107842305A (en) | 2018-03-27 |
| CN107842305B true CN107842305B (en) | 2019-06-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111377036A (en) * | 2020-04-17 | 2020-07-07 | 中船黄埔文冲船舶有限公司 | Portable flexible splicing ladder |
| CN113202406A (en) * | 2021-03-25 | 2021-08-03 | 周欣欣 | Supporting structure for electric power overhaul |
| CN113279686A (en) * | 2021-06-07 | 2021-08-20 | 浙江建工水利水电建设有限公司 | Quick-release hydraulic engineering overhaul crawling ladder and manufacturing method thereof |
| CN115538917A (en) * | 2022-10-24 | 2022-12-30 | 广东电网有限责任公司 | Maintenance ladder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59145209U (en) * | 1983-03-14 | 1984-09-28 | 日新電機株式会社 | trestle device |
| US20120012424A1 (en) * | 2010-07-13 | 2012-01-19 | Anthony Walker Bowman | Universal Fan Support Bracket and Fan Assemblies for Elevated Work Platforms |
| CN201985455U (en) * | 2011-03-11 | 2011-09-21 | 邢台供电公司 | Maintenance platform for switch equipment |
| GB2491132A (en) * | 2011-05-23 | 2012-11-28 | Steve Evans | Balancer with self-levelling legs |
| CN104577835B (en) * | 2015-01-21 | 2016-11-23 | 国家电网公司 | The mounting operation platform of outdoor disconnector operating mechanism |
| CN205452906U (en) * | 2016-03-07 | 2016-08-10 | 广西电网有限责任公司百色供电局 | Combination dock switch overhauls platform |
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