CN106285449B - A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar - Google Patents
A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar Download PDFInfo
- Publication number
- CN106285449B CN106285449B CN201610904313.9A CN201610904313A CN106285449B CN 106285449 B CN106285449 B CN 106285449B CN 201610904313 A CN201610904313 A CN 201610904313A CN 106285449 B CN106285449 B CN 106285449B
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- Prior art keywords
- ladder
- bottom sheet
- upper piece
- cross
- latch
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 31
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- E06C1/34—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
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar, its symmetrical two by cross-arm pipe（1‑1）With L-type cross-arm frame（1‑2）The cross-arm of composition（1）Pass through latch respectively（2）, lockset（3）It is flexibly connected bottom sheet ladder（4）With upper piece ladder（5）；Two bottom sheet ladder rails（4‑1）Between and two upper piece ladder rails（5‑1）Between uniformly connection step on it is stupefied（6）, two bottom sheet ladder rails（4‑1）End be equipped with the terraced head of dome-type bottom sheet of indent（4‑3）, the terraced head of bottom sheet（4‑3）Pass through chain（4‑4）Connect hammer（4‑5）；Two upper piece ladder rails（5‑1）End be equipped with and the terraced head of bottom sheet（4‑3）The terraced head of dome-type upper piece ladder of the evagination to match（5‑2）, two upper piece ladder rails（5‑1）Bottom be equipped with and be equipped with hammer（4‑5）Tubulose fluting（5‑3）, simple and ingenious structure of the present invention, it is easy to operate, fixed exempt to carry, occupy little space, can bidirectional applications and it is antitheft, can greatly improve operating efficiency.
Description
Technical field：
The present invention relates to a kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar, it can be applied to be fixed on transformation on post
Below device, the aerial electrical equipment of metering casing etc., the operation that ascend a height belongs to power marketing site technology field.
Background technology：
Insulating ladder is that one kind is widely used in the special ascending tool such as power engineering, communication engineering, electrical engineering, and its is good
Insulation characterisitic, ensure that the life security of operating personnel to the full extent, typically using glass steel material, there is insulation, resistance to
The characteristics of burn into is high-strength, light.Insulating ladder can have variform, such as insulation single ladder, insulated flexible ladder, double ladder, meet not
With the requirement of operation field.
At present, electric information rural power grids project is vigorously implemented, the frame such as the new increase pole type transformer in rural area and metering casing
Empty electrical equipment, with reference to new technical standard during due to setting up, it is new on aerial electrical equipment bottom it is higher apart from ground, typically
At 1.8 meters or so, must ascend a height facility when operating personnel is to aerial construction operation by insulating ladder etc..In addition, aerial batch meter
Opening operation is needed before and after body.Existing insulating ladder build of ascending a height is relatively large, does not only take up transport space, and increase carries burden,
It is inconvenient for operation, greatly reduce operating efficiency, and mismatch with live height, easily operation or during front and rear carrying at the scene
Cause extra potential safety hazard.
The content of the invention：
Present invention aims to overcome that above-mentioned prior art deficiency and provide a kind of simple and ingenious structure, it is easy to operate,
It is fixed exempt to carry, occupy little space, can bidirectional applications and the pull for being fixed on line bar that is antitheft, can greatly improve operating efficiency
Formula simple bidirectional insulating ladder.
The purpose of the present invention can be reached by following measure：A kind of drawing and pulling type simple bidirectional insulation for being fixed on line bar
Ladder, it is characterised in that it includes two symmetrical cross-arms, and two cross-arms are flexibly connected bottom sheet ladder by latch, lockset respectively
With upper piece ladder；Cross-arm is connected as one and formed by cross-arm pipe and L-type cross-arm frame, and bottom sheet ladder includes two bottom sheet ladder rails, two
Uniform connection is stepped on stupefied between bottom sheet ladder rail, and the end of two bottom sheet ladder rails is equipped with the terraced head of dome-type bottom sheet of indent,
The terraced head of bottom sheet connects hammer by chain；Upper piece ladder includes two upper piece ladder rails, uniformly connects between two upper piece ladder rails
Connecing and step on stupefied, the end of two upper piece ladder rails is equipped with the terraced head of dome-type upper piece ladder of the evagination to match with the terraced head of bottom sheet,
The bottom of two upper piece ladder rails is equipped with tubulose fluting, and hammer is placed in tubulose fluting.
In order to further realize the purpose of the present invention, described cross-arm pipe both sides are respectively symmetrically provided with outer hollow out hole, interior engraved
Cavity, outer hollow out hole and interior hollow out hole are symmetrical horizontal T-shaped；Latch is made up of outer plug and interpolation pin connection, outer plug
For vertical bar type, interior latch is L-type, and the upper end of outer plug is provided with prill, and the lower end of outer plug is provided with jack, and interior latch erects
The upper end of pin is provided with prill, and the end of the lateral pin of interior latch is provided with lockhole, and the diameter of lockhole is less than the diameter of jack；Cross-arm
Pipe connects outer plug, cross-arm pipe by latch in the connection of interior hollow out hole by outer hollow out hole, the metal in outer plug and interior latch
Bead is placed in cross-arm pipe, and outer hollow out hole and interior hollow out hole are horizontal T-shaped, and the side of each bottom sheet ladder rail is equipped with latch
Jack, the diameter of latch jack are more than the diameter of lockhole；The side of each upper piece ladder rail is equipped with latch jack, latch jack
Diameter be more than lockhole diameter；The lateral pin of the interior latch of latch both passes through latch jack, jack, and lockset is hung with lockhole；It is real
Existing cross-arm and bottom sheet be terraced and upper piece terraced connection.
In order to further realize the purpose of the present invention, described two step on it is stupefied between handrail on set card have 1/3 arc surface
The insulation tube of missing.
In order to further realize the purpose of the present invention, described insulation tube cross section missing arc angle α is 120 °.
In order to further realize the purpose of the present invention, it is d4 that described adjacent two, which step on the distance between stupefied, and bottom sheet is terraced
Terraced head and adjacent thereto stepping on the distance between stupefied are d5, and upper piece terraced head of ladder and adjacent thereto stepping on the distance between stupefied are d6,
d4=d5+d6=2d5=2d6。
In order to further realize the purpose of the present invention, the length d1 of described bottom sheet ladder rail and upper piece ladder rail=
1050mm；Length d2=1500mm of cross-arm；Between the distance between two hammers and two bottom sheet ladder rails of every ladder, upper piece
The distance between ladder rail d3=400mm；Adjacent two step on the distance between stupefied d4=260mm；The terraced head of bottom sheet and with its phase
Adjacent steps on the distance between stupefied d5=130mm；Upper piece terraced head of ladder and adjacent thereto step on the distance between stupefied d6=130mm；Bottom sheet
The terraced head evagination height of terraced head hollow depth, upper piece ladder, chain length d7=50mm；Length d8=260mm of 2/3 insulation tube；It is horizontal
Carry on a shoulder pole the outer radius R1=50mm, inside radius r1=40mm of cross-arm pipe of pipe；Bottom sheet ladder rail radius R2=35mm；The radius R3 of hammer=
25mm；Outer radius R4=35mm of upper piece ladder rail；Inside radius r4=30mm of upper piece ladder rail；The overall diameter R5 of 2/3 insulation tube=
38mm；Interior diameter r5=35mm of 2/3 insulation tube.
The present invention can produce following good effect compared with the prior art：
1. clever structure, simple firm.Terraced body is made up of additional 2/3 insulation tube of upper and lower two panels ladder, is individually fixed in both sides
Cross-arm on, wherein terraced body is glass fibre reinforced plastic insulating material, 2/3 insulation tube is also glass steel material.The side handrail of bottom sheet ladder body two
For column, terraced head is that indent is hemispherical and be connected to hammer, for being connected with upper piece ladder.The upper piece terraced side handrail of body two is opened provided with tubulose
Groove, terraced head are that evagination is hemispherical.Hammer is slided in tubulose is slotted during use, and bottom is slided to by upper piece ladder top end, makes upper and lower two
Piece ladder body fits like a glove, then is subject to 2/3 insulation tube and fixes, and reaches the firm effect of pull.
It is 2. easy to operate.In use, the lockset on the cross-arm of side is opened, rotate down to and be further continued for deflection vertically necessarily
Acute angle, bottom sheet ladder is slid into upper piece terraced bottom, in the same horizontal line and fitted like a glove to two panels ladder, it is attached on the set of junction
2/3 insulation tube added.Use can be set up, it is convenient and swift.
3. fixation exempts to carry, occupy little space.Terraced body both sides are fixed with the bolt lock of rotary movable, firmly peace
Entirely.The terraced body build folded is compact, can be directly as on the cross-arm of both sides below electrical equipment.
4. can bidirectional applications.Can be unlocked respectively at left and right sides of terraced body, can respectively forwardly back rotation, realize same ladder
Body can be respectively erected in electrical equipment front and rear sides, carry out the characteristics of both sides operation respectively.
It is 5. antitheft.Upper and lower two panels ladder is connected by firm hammer, and terraced body both sides have steel lockset to be fixed on cross-arm respectively,
Cross-arm is fixed in line bar, needs carrying keys to open during use, has anti-theft effect.
6. improve operating efficiency.New insulated ladder is easy to operate, and consumptive material is few, and ascending a height without carrying other every time sets
It is standby, and front and rear modes of emplacement is simple, greatlys save the working time, improves operating efficiency.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that the present invention uses state diagram when opening；
Fig. 3 is structural representation of the cross-arm pipe with latch coupling part of the present invention；
Fig. 4 is the latch of the present invention and the structural representation of latch portion；
Fig. 5 is the bottom sheet ladder and the structural representation of cross-arm part of the present invention；
Fig. 6 is the structural representation of upper piece ladder with cross-arm part of the present invention；
Fig. 7 is the partial enlarged drawing with upper piece terraced coupling part of the bottom sheet ladder of the present invention；
Fig. 8 is upper piece terraced partial enlarged drawing with bottom sheet ladder coupling part of the present invention；
The structural representation of coupling part when Fig. 9 is connected for bottom sheet of the invention is terraced with upper piece ladder；
Figure 10 be when the present invention uses bottom sheet it is terraced with upper piece it is terraced be connected when coupling part structural representation；
Figure 11 is the structural representation of additional 2/3 insulation tube.
Embodiment：
The embodiment of the present invention is elaborated below in conjunction with the accompanying drawings：
Embodiment：A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar（Referring to Fig. 1-Figure 11）, it is included mutually
Symmetrical two cross-arms 1, two cross-arms 1 connect bottom sheet ladder 4 and upper piece ladder 5 by latch 2, lockset 3 respectively.Cross-arm 1 is by cross-arm
Pipe 1-1 and L-type cross-arm frame 1-2 connects as one composition, and cross-arm pipe 1-1 (referring to Fig. 3) both sides are respectively symmetrically provided with outer hollow out hole
1-3, interior hollow out hole 1-4, outer hollow out hole 1-3 and interior hollow out hole 1-4 are symmetrical horizontal T-shaped；Latch 2 (referring to Fig. 4) is by outer
Latch 2-1 and interior latch 2-2 are connected and composed, and outer plug 2-1 is vertical bar type, and interior latch 2-2 is L-type, and outer plug 2-1 upper end is set
There is prill 2-3, outer plug 2-1 lower end is provided with jack 2-4, and the upper end of interior latch 2-2 perpendicular pin is provided with prill 2-
3, the end of interior latch 2-2 lateral pin is provided with lockhole 2-5, and lockhole 2-5 diameter is less than jack 2-4 diameter.Cross-arm pipe 1-1 leads to
Outer hollow out hole 1-3 connection outer plugs 2-1, cross-arm pipe 1-1 are crossed by latch 2-2 in interior hollow out hole 1-4 connections, outer plug 2-1 and
Prill 2-3 on interior latch 2-2 is placed in cross-arm pipe 1-1, and outer hollow out hole 1-3 and interior hollow out hole 1-4 are horizontal T-shaped,
It is easy to the outer plug 2-1 of latch 2 and moving left and right and swinging up and down for interior latch 2-2.Bottom sheet ladder 4 includes (referring to Fig. 5, Fig. 7)
Two bottom sheet ladder rail 4-1, each bottom sheet ladder rail 4-1 side are equipped with latch jack 7, and the diameter of latch jack 7 is more than
Lockhole 2-5 diameter；Uniformly connection steps on stupefied 6 between two bottom sheet ladder rail 4-1, and two bottom sheet ladder rail 4-1 end is all provided with
There are the terraced head 4-3 of dome-type bottom sheet of indent, the terraced head 4-3 of bottom sheet to pass through chain 4-4 connection hammers 4-5.Upper piece ladder 5 (referring to
Fig. 6, Fig. 8) include two upper piece ladder rail 5-1, each upper piece ladder rail 5-1 side is equipped with latch jack 7, latch jack
7 diameter is more than lockhole 2-5 diameter；Uniformly connection steps on stupefied 6 between two upper piece ladder rail 5-1, two upper piece ladder rail 5-1
End be equipped with dome-type upper piece ladder terraced head 5-2 with the terraced head 4-3 of the bottom sheet evaginations to match, two upper piece ladder rail 5-
1 bottom be equipped with tubulose fluting 5-3, hammer 4-5 be placed in tubulose fluting 5-3 in.The interior latch 2-2 of latch 2 lateral pin is worn
Latch jack 7, jack 2-4 are crossed, lockset 3 is hung with lockhole 2-5；Realize the connection of cross-arm 1 and bottom sheet ladder 4 and upper piece ladder 5.Do not make
Used time (referring to Fig. 1), 8 sets of the insulation tube of the gap of band 1/3 are stuck on the handrail of a ladder 5, are placed in two and step between stupefied 6.Referring to
Figure 11, the insulation tube 8 of the gap of band 1/3 is the 1/3 arc surface missing of insulation tube, from the point of view of the insulation tube cross section, only entirely
The 2/3 of annulus, 2/3 insulation tube 8 can be referred to as.
Wherein：
Bottom sheet ladder rail 4-1 and upper piece ladder rail 5-1 length d1=1050mm；Length d2=1500mm of cross-arm 1；Two
Between two bottom sheet ladder rail 4-1 of the distance between hammer 4-5 and every ladder, the distance between upper piece ladder rail 5-1 d3=
400mm；Adjacent two step on stupefied the distance between 6 d4=260mm；The terraced head 4-3 of bottom sheet and adjacent thereto step between stupefied 6
Distance d5=130mm；Upper piece terraced head 5-2 of ladder and adjacent thereto step on stupefied the distance between 6 d6=130mm；In the terraced head 4-3 of bottom sheet
The terraced head 5-2 evaginations height of recessed depth, upper piece ladder, chain 4-4 length d7=50mm；Length d8=260mm of 2/3 insulation tube 8,2/3
The cross section of insulation tube 8 missing arc angle α is 120 °；Wherein d4=d5+d6=2d5=2d6.1
Cross-arm pipe 1-1 outer radius R1=50mm, cross-arm pipe 1-1 inside radius r1=40mm；Bottom sheet ladder rail 4-1 radiuses R2
=35mm；Hammer 4-5 radius R3=25mm；Upper piece ladder rail 5-1 outer radius R4=35mm；Upper piece ladder rail 5-1 inside radius
r4=30mm；Overall diameter R5=38mm of 2/3 insulation tube 8；Interior diameter r5=35mm of 2/3 insulation tube 8；
Cross-arm 1 is fixed in line bar.(referring to Fig. 2) during use, the lockset 3 of any lower section of side cross-arm 1 is opened, i.e.,
Two sets of locksets 3 are opened altogether, lockset 3 are removed, by outer plug 2-1 and connected prill 2-3 along outer hollow out hole 1-3
It is displaced outwardly, while interior latch 2-2 and connected prill 2-3 is moved inward along interior hollow out hole 1-4, to jack
2-4 departs from lockhole 2-5 completely and handrail departs from latch completely.The side bottom sheet ladder 4 or upper piece ladder 5 for making insulating ladder take off completely
From cross-arm；Then rotated by the center of circle of opposite side cross-arm to proper angle；Again by bottom sheet ladder 4 or upper piece ladder 5 be pulled to upper piece ladder 5 or
The terraced head of bottom sheet ladder 4, the terraced head of bottom sheet ladder 4 and upper piece ladder 5 is set to fit like a glove, as shown in Figure 10；The finally glass on the set of junction
Additional 2/3 insulation tube 8 of glass steel, as shown in Figure 2, you can ascending stair uses.Wherein, the length of 2/3 insulation tube 8 and bottom sheet ladder 4 or
The upper piece joining place of ladder 5 steps on stupefied the distance between 6 equal, i.e. d4=d5+d6=2d5=2d6 for two up and down, and 2/3 insulation tube 8 can be just
It is stuck in two to step between stupefied 6, stable and convenient.
Embodiment above is only that the preferred embodiment of the present invention is described, and other preferred embodiments are herein
Do not tire out one by one and state, and not the scope of the present invention is defined, on the premise of design spirit of the present invention is not departed from, this area
The various modifications and improvement that ordinary skill technical staff makes to technical scheme, the right that all should fall within the present invention will
In the protection domain for asking book determination.
Claims (6)
- A kind of 1. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar, it is characterised in that：It includes two symmetrical horizontal strokes Load（1）, two cross-arms（1）Pass through latch respectively（2）, lockset（3）It is flexibly connected bottom sheet ladder（4）With upper piece ladder（5）；Cross-arm（1） By cross-arm pipe（1-1）With L-type cross-arm frame（1-2）Connect as one composition, bottom sheet ladder（4）Including two bottom sheet ladder rails（4-1）, Two bottom sheet ladder rails（4-1）Between uniformly connection step on it is stupefied（6）, two bottom sheet ladder rails（4-1）End be equipped with indent The terraced head of dome-type bottom sheet（4-3）, the terraced head of bottom sheet（4-3）Pass through chain（4-4）Connect hammer（4-5）；Upper piece ladder（5）Including Two upper piece ladder rails（5-1）, two upper piece ladder rails（5-1）Between uniformly connection step on it is stupefied（6）, two upper piece ladder rails（5- 1）End be equipped with and the terraced head of bottom sheet（4-3）The terraced head of dome-type upper piece ladder of the evagination to match（5-2）, two upper piece ladders Handrail（5-1）Bottom be equipped with tubulose fluting（5-3）, hammer（4-5）It is placed in tubulose fluting（5-3）It is interior.
- A kind of 2. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar according to claim 1, it is characterised in that：It is described Cross-arm pipe（1-1）Both sides are respectively symmetrically provided with outer hollow out hole（1-3）, interior hollow out hole（1-4）, outer hollow out hole（1-3）And interior engrave Cavity（1-4）For symmetrical horizontal T-shaped；Latch（2）By outer plug（2-1）With interior latch（2-2）Connect and compose, outer plug （2-1）For vertical bar type, interior latch（2-2）For L-type, outer plug（2-1）Upper end be provided with prill（2-3）, outer plug（2-1） Lower end be provided with jack（2-4）, interior latch（2-2）The upper end of perpendicular pin be provided with prill（2-3）, interior latch（2-2）Horizontal stroke The end of pin is provided with lockhole（2-5）, lockhole（2-5）Diameter be less than jack（2-4）Diameter；Cross-arm pipe（1-1）By engraving outside Cavity（1-3）Connect outer plug（2-1）, cross-arm pipe（1-1）Pass through interior hollow out hole（1-4）Latch in connection（2-2）, outer plug （2-1）With interior latch（2-2）On prill（2-3）It is placed in cross-arm pipe（1-1）It is interior, outer hollow out hole（1-3）And interior hollow out Hole（1-4）It is horizontal T-shaped, each bottom sheet ladder rail（4-1）Side be equipped with latch jack（7）, latch jack（7）Diameter More than lockhole（2-5）Diameter；Each upper piece ladder rail（5-1）Side be equipped with latch jack（7）, latch jack（7）'s Diameter is more than lockhole（2-5）Diameter；Latch（2）Interior latch（2-2）Lateral pin both pass through latch jack（7）, jack（2- 4）, lockhole（2-5）Place hangs with lockset（3）；Realize cross-arm（1）With bottom sheet ladder（4）With upper piece ladder（5）Connection.
- A kind of 3. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar according to claim 1, it is characterised in that：It is described Two step on it is stupefied（6）Between handrail on set card have 1/3 arc surface lack insulation tube（8）.
- A kind of 4. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar according to claim 3, it is characterised in that：It is described Insulation tube（8）Cross section missing arc angle α is 120 °.
- A kind of 5. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar according to claim 3, it is characterised in that：It is described Adjacent two step on it is stupefied（6）The distance between be d4, the terraced head of bottom sheet（4-3）With it is adjacent thereto step on it is stupefied（6）Between away from From for d5, upper piece terraced head of ladder（5-2）With it is adjacent thereto step on it is stupefied（6）The distance between be d6, d4=d5+d6=2d5=2d6.
- A kind of 6. drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar according to claim 1, it is characterised in that：It is described Bottom sheet ladder rail（4-1）With upper piece ladder rail（5-1）Length d1=1050mm；Cross-arm（1）Length d2=1500mm；Two Hammer（4-5）The distance between and two bottom sheet ladder rails of every ladder（4-1）Between, upper piece ladder rail（5-1）The distance between d3=400mm；Adjacent two step on stupefied（6）The distance between d4=260mm；The terraced head of bottom sheet（4-3）With it is adjacent thereto step on it is stupefied （6）The distance between d5=130mm；Upper piece terraced head of ladder（5-2）With it is adjacent thereto step on it is stupefied（6）The distance between d6=130mm；Under The terraced head of piece（4-3）Hollow depth, upper piece terraced head of ladder（5-2）Evagination height, chain（4-4）Length d7=50mm；2/3 insulation tube （8）Length d8=260mm；Cross-arm pipe（1-1）Outer radius R1=50mm, cross-arm pipe（1-1）Inside radius r1=40mm；Bottom sheet Ladder rail（4-1）Radius R2=35mm；Hammer（4-5）Radius R3=25mm；Upper piece ladder rail（5-1）Outer radius R4=35mm； Upper piece ladder rail（5-1）Inside radius r4=30mm；2/3 insulation tube（8）Overall diameter R5=38mm；2/3 insulation tube（8）It is interior straight Footpath r5=35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904313.9A CN106285449B (en) | 2016-10-18 | 2016-10-18 | A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904313.9A CN106285449B (en) | 2016-10-18 | 2016-10-18 | A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285449A CN106285449A (en) | 2017-01-04 |
| CN106285449B true CN106285449B (en) | 2018-01-05 |
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ID=57717624
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610904313.9A Expired - Fee Related CN106285449B (en) | 2016-10-18 | 2016-10-18 | A kind of drawing and pulling type simple bidirectional insulating ladder for being fixed on line bar |
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| Country | Link |
|---|---|
| CN (1) | CN106285449B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902569A (en) * | 1974-02-20 | 1975-09-02 | Roger I Bair | Extension ladder |
| CN201110119Y (en) * | 2007-10-19 | 2008-09-03 | 王相武 | Safety pulling ladder |
| CN104329015B (en) * | 2014-10-31 | 2016-02-03 | 安徽山河矿业装备股份有限公司 | A kind of embedded slip ladder device and apply the equipment of this device |
| CN105715201A (en) * | 2016-03-21 | 2016-06-29 | 广东永强奥林宝国际消防汽车有限公司 | Concealed foldable pull ladder |
| CN206111073U (en) * | 2016-10-18 | 2017-04-19 | 国网山东省电力公司烟台供电公司 | Be fixed in simple and easy two -way insulating ladder of pull formula of line pole |
-
2016
- 2016-10-18 CN CN201610904313.9A patent/CN106285449B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106285449A (en) | 2017-01-04 |
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