CN203655141U - Insulating flexible ladder for live working - Google Patents
Insulating flexible ladder for live working Download PDFInfo
- Publication number
- CN203655141U CN203655141U CN201320806144.7U CN201320806144U CN203655141U CN 203655141 U CN203655141 U CN 203655141U CN 201320806144 U CN201320806144 U CN 201320806144U CN 203655141 U CN203655141 U CN 203655141U
- Authority
- CN
- China
- Prior art keywords
- pulley
- transverse rod
- ladder
- self
- cross bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model relates to an insulating flexible ladder for live working, belongs to the technical field of flexible ladders and aims at providing an insulating flexible ladder for live working, and the insulating flexible ladder is convenient and firm in installation and safe and comfortable in use. The technical scheme provided by the utility model is as follows: the insulating flexible ladder for live working disclosed by the utility model comprises a ladder head and a flexible ladder; the ladder head comprises two pulley brackets, a fixed transverse rod, a movable transverse rod, a pulley hook and a pull rope; the two pulley brackets are respectively fixed at two ends of the fixed transverse rod; the movable transverse rod is below the fixed transverse rod; two ends of the fixed transverse rod are respectively sleeved on the two pulley brackets; the movable transverse rod is connected with the fixed transverse rod by virtue of a spring; the pulley hook is positioned above the fixed transverse rod; one end of the pull rope is fixed in the centre of the movable transverse rod; the other end of the pull rope penetrates through the fixed transverse rod and the pulley hook in sequence; the pull rope can drive the movable transverse rod to move. The insulating flexible ladder for live working disclosed by the utility model is applied to the electric power department.
Description
Technical field
The utility model livewire work insulated flexible ladder, belongs to rope ladder technical field, is specifically related to a kind of firmly livewire work insulated flexible ladder easy for installation.
Background technology
Traditional insulated flexible ladder lateral isolation outer sleeve epoxy resins pipe generally all adopts round tube, and the spacing of cross bar is smaller, operating personnel's pipe in ascending stair process is easily rotated, pin easily skids, former rope ladder spacing is smaller, only have 28cm, operating personnel, in the time climbing, steps on a joint and has a surplus, step on two joint deficiencies, difficultly, painstaking, health is also uncomfortable; Traditional insulated flexible ladder frame, insurance closing device, mostly adopt and hang up properly after rope ladder, operating personnel steps on manually sealing on rope ladder frame, and general employing of sealing taken laminar, and this mode first is less certain, in operation process, easily throw off, lowered safety, second often hang when rope ladder some be in the way, unnecessary, directly impact dress extension rope ladder operates.
Utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: provide a kind of easy for installation firm, and use the livewire work insulated flexible ladder of safety and comfort.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: livewire work insulated flexible ladder, comprising: ladder head and rope ladder, and described ladder head comprises two pulley brackets, fixed transverse rod, movable cross bar, pulley hook and stay cord; Described two pulley brackets are separately fixed at the two ends of fixed transverse rod, described movable cross bar is positioned at the below of fixed transverse rod, the two ends of fixed transverse rod are set on two pulley brackets, movable cross bar is connected with fixed transverse rod by spring, described pulley hook is positioned at the top of fixed transverse rod, one end of described stay cord is fixed on movable cross bar central authorities, and the other end of stay cord is successively through fixed transverse rod and pulley hook, and stay cord can the action of drive activity cross bar; The top of described pulley bracket is provided with cable pulley, the below of described cable pulley is provided with self-locking body, described self-locking body is hinged on the support of cable pulley one side, on the support of cable pulley opposite side, be provided with spacer pin, on self-locking body, be provided with and the above-mentioned spacer pin crotch coordinating that adapts, the bottom of self-locking body and one end of self-lock rod are hinged, and the other end of described self-lock rod is fixed on movable cross bar, and described movable cross bar can drive self-locking body and self-lock rod action; Described rope ladder is articulated in the bottom of pulley bracket by the rope ladder hook on it.
Described pulley hook comprises cable hook and the stay pulley that is arranged on its underpart, and described stay cord is through stay pulley.
The opposite direction of self-locking body on described two pulley brackets.
The bottom of described pulley bracket is provided with the hook hole adapting with above-mentioned rope ladder hook.
The cross bar of described rope ladder is by lateral isolation tightrope and be sleeved on its outside epoxy resin flexible pipe and form, and described epoxy resin flexible pipe is tabular, and the port of epoxy resin flexible pipe is provided with the semicircle opening adapting with the external diameter of the perpendicular rope of rope ladder.
The spacing of the cross bar of described rope ladder is 37cm.
Safe enclosing is installed on described fixed transverse rod.
The beneficial effect that the utility model compared with prior art has is: the utility model is provided with self-locking body on the top of pulley bracket, can be by stay cord cooperation activity cross bar, realize the self-locking of cable pulley and cable, easy for installation and improved the safety factor of rope ladder; Employing is the cross bar that the epoxy resin flexible pipe of tabular is rope ladder by the utility model, and be provided with the semicircle opening adapting with the external diameter of the perpendicular rope of rope ladder at its port, increase cross bar spacing, safety in utilization and the comfortableness of rope ladder are improved, whole apparatus structure is succinct, safe and convenient to use comfortable.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in more detail:
Fig. 1 is the structural representation of ladder head in the utility model;
Fig. 2 is the structural representation of rope ladder in the utility model;
Fig. 3 is the lateral view of Fig. 1 middle pulley support;
Fig. 4 is the lateral view of Fig. 1 middle pulley hook;
Fig. 5 is the structural representation of epoxy resin flexible pipe in Fig. 2;
Fig. 6 is the lateral view of another embodiment of Fig. 1 middle pulley support;
Fig. 7 is the use state diagram of Fig. 3 middle pulley support;
In figure: 1 be ladder head, 2 for rope ladder, 3 for pulley bracket, 4 for fixed transverse rod, 5 for movable cross bar, 6 for pulley hook, 7 for stay cord, 8 for spring, 9 for cable pulley, 10 for self-locking body, 11 for spacer pin, 12 for crotch, 13 for self-lock rod, 14 for rope ladder hook, 15 for cable hook, 16 for stay pulley, 17 for hook hole, 18 for cross bar, 19 for epoxy resin flexible pipe, 20 be safe enclosing.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model livewire work insulated flexible ladder, comprise: terraced 1 and rope ladder 2, described ladder 1 comprises two pulley brackets 3, fixed transverse rod 4, movable cross bar 5, pulley hook 6 and stay cord 7, and described rope ladder 2 is articulated in the bottom of pulley bracket 3 by the rope ladder hook 14 on it.
Described two pulley brackets 3 are separately fixed at the two ends of fixed transverse rod 4, described movable cross bar 5 is positioned at the below of fixed transverse rod 4, the two ends of fixed transverse rod 4 are set on two pulley brackets 3, movable cross bar 5 is connected with fixed transverse rod 4 by spring 8, described pulley hook 6 is positioned at the top of fixed transverse rod 4, one end of described stay cord 7 is fixed on movable cross bar 5 central authorities, and the other end of stay cord 7 is successively through fixed transverse rod 4 and pulley hook 6, and stay cord 7 can move by drive activity cross bar 5.
As shown in Figure 3, the top of described pulley bracket 3 is provided with cable pulley 9, the below of described cable pulley 9 is provided with self-locking body 10, described self-locking body 10 is hinged on the support of cable pulley 9 one sides, on the support of cable pulley 9 opposite sides, be provided with spacer pin 11, on self-locking body 10, be provided with and above-mentioned spacer pin 11 crotch 12 coordinating that adapts, one end of the bottom of self-locking body 10 and self-lock rod 13 is hinged, the other end of described self-lock rod 13 is fixed on movable cross bar 5, described movable cross bar 5 can drive self-locking body 10 and self-lock rod 13 to move, the bottom of described pulley bracket 3 is provided with the hook hole 17 adapting with above-mentioned rope ladder hook 14.
As shown in Figure 4, described pulley hook 6 comprises cable hook 15 and the stay pulley 16 that is arranged on its underpart, and described stay cord 7 is through stay pulley 16.
When the utility model uses, first cable hook 15 is hung on power transmission cable, pull above-mentioned ladder 1 entirety to move up by stay cord 7, in the time that stay cord 7 pulls movable cross bar 5 to move up, movable cross bar 5 drives self-lock rod 13 and self-locking body 10 to move up, and now, pulley bracket 3 and fixed transverse rod 4 can be along with stay cord 7 moves, spring 8 starts to occur deformation, and the crotch 12 of self-locking body 10 starts to separate with spacer pin 11; After spring 8 deformation finish, pulley bracket 3 and fixed transverse rod 4 entirety are along with movable cross bar 5 moves up, and as shown in Figure 7, now the crotch 12 of self-locking body 10 separates completely with spacer pin 11; When hanging over, cable pulley 9 reaches behind power transmission cable top, unclamp stay cord 7, under the drive of spring 8 elastic force, movable cross bar 5 moves down, drive self-lock rod 13 and self-locking body 10 to move down, when after the crotch 12 and spacer pin 11 combinations of self-locking body 10, reach spacing, realize auto-lock function, now cable pulley 9 hangs over and reaches on power transmission cable, self-lock rod 13 is self-locking in power transmission cable between two supports of cable pulley 9, facilitates the installation of rope ladder, has also improved the safety of device.
On described two pulley brackets 3, the installation direction of self-locking body 10 is contrary, so just can conveniently when terraced 1 has certain swing, hang on power transmission cable, and the stable row of self-locking device is provided, and further improves safety factor.
As shown in Figure 5, the cross bar 18 of described rope ladder 2 is by lateral isolation tightrope and be sleeved on its outside epoxy resin flexible pipe 19 and form, described epoxy resin flexible pipe 19 is tabular, its cross section is oval, upper and lower surface is wider, pedal contact area is large, the port of epoxy resin flexible pipe 19 is provided with the semicircle opening adapting with the external diameter of rope ladder 2 perpendicular ropes, semicircle opening can be stuck on the perpendicular rope of rope ladder 2, phenomenon can not rotate, increase the safety of rope ladder, the spacing of the cross bar 18 of described rope ladder 2 is 37cm, operating personnel waits in use and can take leg, use comfortable.
As shown in Figure 6, safe enclosing 20 is installed on described fixed transverse rod 4, when operating personnel operates on rope ladder top, can leans against on safe enclosing 20, operating personnel is worked comfortable, also prevent that operating personnel from falling backward, increased safety factor simultaneously.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Claims (7)
1. livewire work insulated flexible ladder, comprising: ladder head (1) and rope ladder (2), is characterized in that: described ladder head (1) comprises two pulley brackets (3), fixed transverse rod (4), movable cross bar (5), pulley hook (6) and stay cord (7);
Described two pulley brackets (3) are separately fixed at the two ends of fixed transverse rod (4), described movable cross bar (5) is positioned at the below of fixed transverse rod (4), the two ends of fixed transverse rod (4) are set on two pulley brackets (3), movable cross bar (5) is connected with fixed transverse rod (4) by spring (8), described pulley hook (6) is positioned at the top of fixed transverse rod (4), one end of described stay cord (7) is fixed on movable cross bar (5) central authorities, the other end of stay cord (7) is successively through fixed transverse rod (4) and pulley hook (6), stay cord (7) can move by drive activity cross bar (5),
The top of described pulley bracket (3) is provided with cable pulley (9), the below of described cable pulley (9) is provided with self-locking body (10), described self-locking body (10) is hinged on the support of cable pulley (9) one sides, on the support of cable pulley (9) opposite side, be provided with spacer pin (11), on self-locking body (10), be provided with and above-mentioned spacer pin (11) crotch (12) coordinating that adapts, one end of the bottom of self-locking body (10) and self-lock rod (13) is hinged, the other end of described self-lock rod (13) is fixed on movable cross bar (5), described movable cross bar (5) can drive self-locking body (10) and self-lock rod (13) action,
Described rope ladder (2) is articulated in the bottom of pulley bracket (3) by the rope ladder hook on it (14).
2. livewire work insulated flexible ladder according to claim 1, is characterized in that: described pulley is linked up with the stay pulley (16) that (6) comprise cable hook (15) and are arranged on its underpart, and described stay cord (7) is through stay pulley (16).
3. livewire work insulated flexible ladder according to claim 2, is characterized in that: the opposite direction of the upper self-locking body (10) of described two pulley brackets (3).
4. livewire work insulated flexible ladder according to claim 3, is characterized in that: the bottom of described pulley bracket (3) is provided with the hook hole (17) adapting with above-mentioned rope ladder hook (14).
5. according to the livewire work insulated flexible ladder described in the arbitrary claim of claim 1 to 4, it is characterized in that: the cross bar (18) of described rope ladder (2) is by lateral isolation tightrope and be sleeved on its outside epoxy resin flexible pipe (19) formation, described epoxy resin flexible pipe (19) is tabular, and the port of epoxy resin flexible pipe (19) is provided with the semicircle opening adapting with the external diameter of the perpendicular rope of rope ladder (2).
6. livewire work insulated flexible ladder according to claim 5, is characterized in that: the spacing of the cross bar (18) of described rope ladder (2) is 37cm.
7. livewire work insulated flexible ladder according to claim 5, is characterized in that: safe enclosing (20) is installed on described fixed transverse rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806144.7U CN203655141U (en) | 2013-12-10 | 2013-12-10 | Insulating flexible ladder for live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806144.7U CN203655141U (en) | 2013-12-10 | 2013-12-10 | Insulating flexible ladder for live working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655141U true CN203655141U (en) | 2014-06-18 |
Family
ID=50921541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806144.7U Expired - Fee Related CN203655141U (en) | 2013-12-10 | 2013-12-10 | Insulating flexible ladder for live working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314459A (en) * | 2014-10-31 | 2015-01-28 | 国家电网公司 | Self-locking rope ladder |
| CN104533277A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Adjustable soft ladder for power transmission line |
| CN105186361A (en) * | 2015-08-28 | 2015-12-23 | 贵州电网有限责任公司输电运行检修分公司 | Internal-control type self-locking ladder head |
-
2013
- 2013-12-10 CN CN201320806144.7U patent/CN203655141U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314459A (en) * | 2014-10-31 | 2015-01-28 | 国家电网公司 | Self-locking rope ladder |
| CN104314459B (en) * | 2014-10-31 | 2016-09-14 | 国家电网公司 | Self-closing lock rope ladder |
| CN104533277A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Adjustable soft ladder for power transmission line |
| CN104533277B (en) * | 2014-12-31 | 2016-08-24 | 国家电网公司 | Transmission line of electricity is adjustable rope ladder head |
| CN105186361A (en) * | 2015-08-28 | 2015-12-23 | 贵州电网有限责任公司输电运行检修分公司 | Internal-control type self-locking ladder head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20181210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |