CN104314459A - Self-locking rope ladder - Google Patents

Self-locking rope ladder Download PDF

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Publication number
CN104314459A
CN104314459A CN201410601569.3A CN201410601569A CN104314459A CN 104314459 A CN104314459 A CN 104314459A CN 201410601569 A CN201410601569 A CN 201410601569A CN 104314459 A CN104314459 A CN 104314459A
Authority
CN
China
Prior art keywords
self
rope ladder
locking
closing
ladder main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410601569.3A
Other languages
Chinese (zh)
Other versions
CN104314459B (en
Inventor
孙建明
戈庆长
梁华贵
孔庆生
孙晓宇
许义
徐东
焦媛媛
陈龙庆
朱先启
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd, Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410601569.3A priority Critical patent/CN104314459B/en
Publication of CN104314459A publication Critical patent/CN104314459A/en
Application granted granted Critical
Publication of CN104314459B publication Critical patent/CN104314459B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/52Ladders in general with non-rigid longitudinal members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/18Devices for preventing persons from falling
    • E06C7/185Devices providing a back support to a person on the ladder, e.g. cages
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts

Abstract

The invention discloses a self-locking rope ladder. The self-locking rope ladder comprises guide pulleys, two sets of self-locking mechanisms, a draw bar, an operation backrest and a rope ladder hanging point; each self-locking mechanism comprises a self-locking interlocking bar, a self-locking head and an elastic part; the two sets of self-locking mechanisms are respectively arranged on the two sides of a rope ladder main body; fixed plates are arranged at the first ends of the rope ladder main body and in positions close to the guide pulleys; the self-locking heads are hinged to the fixed plates through first hinging points; the self-locking heads are hinged to the first ends of the self-locking interlocking bars through second hinging points; two ends of the draw bar are respectively arranged on the two sides of the rope ladder main body through sliding sleeves; the second ends of the self-locking interlocking bars are fixedly connected with the sliding sleeves; each elastic part is arranged between the corresponding sliding sleeve and the rope ladder main body. The self-locking rope ladder disclosed by the invention has the following advantages: an auxiliary person can complete locking and unlocking of the rope ladder head on the ground, the personal safety of aloft work personnel in the process of climbing the rope ladder is ensured, and the working efficiency is improved.

Description

Self-closing lock rope ladder
Technical field
The present invention relates to a kind of Self-closing lock rope ladder.
Background technology
In Equipotential live working, livewire work personnel often can utilize insulated flexible ladder to enter electric field to carry out hotline maintenance to lead wire and earth wire in transmission line etc.For ensureing insulated flexible ladder and lead wire and earth wire reliable link, thus there is the transition utensil that rope ladder is connected with lead wire and earth wire---terraced head.Be connected by terraced head between rope ladder with wire, rope ladder method is implemented.But existing livewire work rope ladder head instrument opening is open type, need operating personnel to climb to terraced head place along rope ladder, manually lock terraced head opening laggard row operation, when operation completes and exits setting, again carry out manual unlocking.Whole operating personnel climbs in rope ladder process, rope ladder with lead () line is not all in blocking.Certainly, operating personnel climbs in rope ladder and there is potential safety hazard in the case.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, providing a kind of Self-closing lock rope ladder, can be locked on wire in use, avoid rope ladder to come off from wire and have an accident to make rope ladder.
The present invention be technical solution problem by the following technical solutions.
Self-closing lock rope ladder, its design feature is, comprises wire guide pulley wheels, two cover self-latching mechanism, draw bar, operation backrest and rope ladder hanging point; Described self-latching mechanism comprises Self-closing lock gangbar, self-closing tapered end and elastomeric element; Described two cover self-latching mechanism are separately positioned on the both sides of described rope ladder main body;
Described wire guide pulley wheels is arranged on the first end of described rope ladder main body, and described rope ladder hanging point is arranged on the second end of described rope ladder main body; Described operation backrest is fixed on the position in rope ladder main body between first end and described second end; On the first end of described rope ladder main body, a described wire guide pulley wheels is respectively set in the both sides of described rope ladder main body;
The first end of described rope ladder main body arranges a described fixed head near described wire guide pulley wheels part; The lower end of described self-closing tapered end is provided with two pin joints; Described two pin joints comprise the first pin joint and the second pin joint; Described self-closing tapered end is hinged by the first pin joint and described fixed head, and described self-closing tapered end is hinged by the first end of the second pin joint and described Self-closing lock gangbar; The two ends of described draw bar are respectively arranged at by a sliding sleeve on the both sides of described rope ladder main body, and described sliding sleeve can slide along the length direction of described rope ladder main body; Second end and the described sliding sleeve of described Self-closing lock gangbar are fixedly connected; Described elastomeric element is arranged between described sliding sleeve and described rope ladder main body, can reset after moving to make sliding sleeve.
The design feature of Self-closing lock rope ladder of the present invention is also:
Described elastomeric element is spring; One end of described spring is fixed on described sliding sleeve, and the other end of described spring is fixed in described rope ladder main body.
Described draw bar, Self-closing lock gangbar are round bar.
One end of the close described wire guide pulley wheels of described self-closing tapered end is provided with a groove.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Self-closing lock rope ladder of the present invention, comprises wire guide pulley wheels, two cover self-latching mechanism, draw bar, operation backrest and rope ladder hanging point; Self-latching mechanism comprises Self-closing lock gangbar, self-closing tapered end and elastomeric element; Two cover self-latching mechanism are separately positioned on the both sides of rope ladder main body;
Wire guide pulley wheels part is led for Self-closing lock flexible ladder arrangement edge, ground wire moves freely; Self-closing lock interlock part causes security incident for preventing operating personnel's rope ladder head when using rope ladder to operate to come off from wire; Operation backrest is used for operating personnel to carry out when carrying out work supporting and protecting; Elastic moving telescopic part and Self-closing lock linkage portion are divided and are connected, and utilize the locking of the retractility implement device of spring and open; Draw bar is positioned at elastic moving telescopic beneath portions, realizes loosening of spring and compress by the vertical displacement of draw bar; Rope ladder hanging point hangs rope ladder when being used for operation.
The present invention is at conventional live working tools---and the basis of terraced head is carried out processing and improve, not only structural strength meets livewire work requirement, and light structure, easy to carry simultaneously, is applicable to the occasion of all livewire work.
Present invention achieves support staff can complete rope ladder head locking and unlocking operation on ground, ensure that work high above the ground personnel are climbing the personal safety in rope ladder process, successfully solve hot line maintenance personnel and climb this potential safety hazard of terraced head not locking in rope ladder process.
Application of the present invention can save the activity duration greatly, reduces the labour intensity of operating personnel, thus increases work efficiency.
Self-closing lock rope ladder of the present invention, for realizing the automatic blocking of terraced head on wire, having and making support staff can complete the locking of rope ladder head and unlocking operation, guarantee work high above the ground personnel on ground in the advantage such as climb the personal safety in rope ladder process, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of Self-closing lock rope ladder of the present invention.
State when Fig. 2 is the locking of Self-closing lock rope ladder of the present invention.
State when Fig. 3 is the unblock of Self-closing lock rope ladder of the present invention.
Label in Fig. 1-3 is: 1 wire guide pulley wheels, 2 Self-closing lock gangbar, 3 operation backrests, 4 springs, 5 draw bars, 6 rope ladder hanging points, 7 rope ladder main bodys, 8 self-closing tapered ends, 9 fixed heads, 10 sliding sleeves, 11 grooves.
Below by way of detailed description of the invention, and the invention will be further described by reference to the accompanying drawings.
Detailed description of the invention
See Fig. 1-Fig. 3, Self-closing lock rope ladder of the present invention, comprises wire guide pulley wheels 1, two and overlaps self-latching mechanism, draw bar 5, operation backrest 3 and rope ladder hanging point 6; Described self-latching mechanism comprises Self-closing lock gangbar 2, self-closing tapered end 8 and elastomeric element; Described two cover self-latching mechanism are separately positioned on the both sides of described rope ladder main body 7;
Described wire guide pulley wheels 1 is arranged on the first end of described rope ladder main body 7, and described rope ladder hanging point 6 is arranged on the second end of described rope ladder main body 7; Described operation backrest 3 is fixed on the position in rope ladder main body 7 between first end and described second end; On the first end of described rope ladder main body 7, a described wire guide pulley wheels 1 is respectively set in the both sides of described rope ladder main body 7;
The first end of described rope ladder main body 7 arranges a described fixed head 9 near described wire guide pulley wheels 1 part; The lower end of described self-closing tapered end 8 is provided with two pin joints; Described two pin joints comprise the first pin joint and the second pin joint; Described self-closing tapered end 8 is hinged by the first pin joint and described fixed head 9, and described self-closing tapered end 8 is hinged by the first end of the second pin joint and described Self-closing lock gangbar 2; The two ends of described draw bar 5 are respectively arranged at by a sliding sleeve 10 on the both sides of described rope ladder main body 7, and described sliding sleeve 10 can slide along the length direction of described rope ladder main body 7; Second end and the described sliding sleeve 10 of described Self-closing lock gangbar 2 are fixedly connected; Described elastomeric element is arranged between described sliding sleeve 10 and described rope ladder main body 7, can reset after moving to make sliding sleeve 10.
Described elastomeric element is spring 4; One end of described spring 4 is fixed on described sliding sleeve 10, and the other end of described spring 4 is fixed in described rope ladder main body 7.
Described draw bar 5, Self-closing lock gangbar 2 are round bar.
One end of the close described wire guide pulley wheels 1 of described self-closing tapered end 8 is provided with a groove 11.
Self-closing lock rope ladder of the present invention, comprises wire guide pulley wheels, two cover self-latching mechanism, draw bar, operation backrest and rope ladder hanging point; Described self-latching mechanism comprises Self-closing lock gangbar, self-closing tapered end and elastomeric element.
Described wire guide pulley wheels utilize two, left and right pulley make Self-closing lock flexible ladder arrangement can along leading, ground wire moves freely;
Described self-latching mechanism relies on self gravitation to utilize spring performance to realize by the function of terraced head automatic blocking and unblock on wire, need not operating personnel's manual operation, improves efficiency and the safety of operation.Described operation backrest defines the scope of activities of operating personnel on rope ladder head, for operating personnel's support operationally and protection;
Brute spring is divided by connecting rod and Self-closing lock linkage portion and is connected, realize the locking of spring relaxation timer, the function that during spring-compressed, locking is opened.Described draw bar is positioned at elastic moving telescopic beneath portions, realizes loosening of spring and compress thus reach the object of locking and unblock by the vertical displacement of draw bar; Described rope ladder hanging point hangs rope ladder when being used for livewire work.
When utilizing insulation ropes to be drawn high vertically upward by draw bar, sliding sleeve also rises and makes spring-compressed, causes the self-closing tapered end of self-latching mechanism to be opened (as shown in Figure 3), is placed in by wire guide pulley wheels and leads, below ground wire, payout, completes the installing of Self-closing lock flexible ladder arrangement.
When insulation ropes loosens, draw bar vertical downward movement, slides over reinstatement under the effect of spring, self-closing tapered end closes (as shown in Figure 2), self-latching mechanism resets due to the Action of Gravity Field of self gravitation and draw bar, and locking is led, ground wire, completes locking effect.
Fig. 2 is device blocking, is in routine use state.Now owing to losing the pulling force of insulation ropes, Self-closing lock interlock partial reset, locking is led, ground wire, completes locking effect.
Fig. 3 is device lock release state, for being set up by Self-closing lock rope ladder.Now Self-closing lock linkage portion cede insurance is in opening under the pulling force of upset coaster insulation ropes.
Self-closing lock rope ladder of the present invention makes support staff can complete locking and the unlocking operation of rope ladder head in terrestrial operation, ensure that the personal safety of operating personnel in climbing rope ladder process not only successfully solves hot line maintenance personnel and climb this potential safety hazard of terraced head not locking in rope ladder process, also greatly save the activity duration simultaneously, decrease labour intensity, improve operating efficiency.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (4)

1. Self-closing lock rope ladder, is characterized in that, comprises wire guide pulley wheels (1), two cover self-latching mechanism, draw bar (5), operation backrest (3) and rope ladder hanging point (6); Described self-latching mechanism comprises Self-closing lock gangbar (2), self-closing tapered end (8) and elastomeric element; Described two cover self-latching mechanism are separately positioned on the both sides of described rope ladder main body (7);
Described wire guide pulley wheels (1) is arranged on the first end of described rope ladder main body (7), and described rope ladder hanging point (6) is arranged on the second end of described rope ladder main body (7); Described operation backrest (3) is fixed on the position in rope ladder main body (7) between first end and described second end; On the first end of described rope ladder main body (7), a described wire guide pulley wheels (1) is respectively set in the both sides of described rope ladder main body (7);
The first end of described rope ladder main body (7) arranges a described fixed head (9) near described wire guide pulley wheels (1) part; The lower end of described self-closing tapered end (8) is provided with two pin joints; Described two pin joints comprise the first pin joint and the second pin joint; Described self-closing tapered end (8) is hinged by the first pin joint and described fixed head (9), and described self-closing tapered end (8) is hinged by the first end of the second pin joint and described Self-closing lock gangbar (2); The two ends of described draw bar (5) are respectively arranged on the both sides of described rope ladder main body (7) by a sliding sleeve (10), and described sliding sleeve (10) can slide along the length direction of described rope ladder main body (7); Second end and the described sliding sleeve (10) of described Self-closing lock gangbar (2) are fixedly connected; Described elastomeric element is arranged between described sliding sleeve (10) and described rope ladder main body (7), can reset after making sliding sleeve (10) mobile.
2. Self-closing lock rope ladder according to claim 1, is characterized in that, described elastomeric element is spring (4); One end of described spring (4) is fixed on described sliding sleeve (10), and the other end of described spring (4) is fixed on described rope ladder main body (7).
3. the Self-closing lock rope ladder according to claim 1 and 2, is characterized in that, described traction link (5), Self-closing lock gangbar (2) are round bar.
4. the Self-closing lock rope ladder according to claim 1 and 2, is characterized in that, one end of the close described wire guide pulley wheels (1) of described self-closing tapered end (8) is provided with a groove (11).
CN201410601569.3A 2014-10-31 2014-10-31 Self-closing lock rope ladder Active CN104314459B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410601569.3A CN104314459B (en) 2014-10-31 2014-10-31 Self-closing lock rope ladder

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Application Number Priority Date Filing Date Title
CN201410601569.3A CN104314459B (en) 2014-10-31 2014-10-31 Self-closing lock rope ladder

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CN104314459B CN104314459B (en) 2016-09-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105633854A (en) * 2016-01-22 2016-06-01 国家电网公司 Antiskid apparatus for electric power overhead aluminium stranded wire insulating ladder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168021A1 (en) * 1984-07-13 1986-01-15 Söll Industrieschmiede GmbH Carriage for a climbing safety device in order to climb a ladder
CN201802298U (en) * 2010-09-29 2011-04-20 新疆电力公司昌吉电业局 Overhead power transmission line electrified ladder head locking device
CN203655141U (en) * 2013-12-10 2014-06-18 国家电网公司 Insulating flexible ladder for live working
CN103993826A (en) * 2014-05-30 2014-08-20 国家电网公司 Safety rope ladder capable of automatically sealing door
CN204163613U (en) * 2014-10-31 2015-02-18 国家电网公司 Self-closing lock rope ladder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168021A1 (en) * 1984-07-13 1986-01-15 Söll Industrieschmiede GmbH Carriage for a climbing safety device in order to climb a ladder
CN201802298U (en) * 2010-09-29 2011-04-20 新疆电力公司昌吉电业局 Overhead power transmission line electrified ladder head locking device
CN203655141U (en) * 2013-12-10 2014-06-18 国家电网公司 Insulating flexible ladder for live working
CN103993826A (en) * 2014-05-30 2014-08-20 国家电网公司 Safety rope ladder capable of automatically sealing door
CN204163613U (en) * 2014-10-31 2015-02-18 国家电网公司 Self-closing lock rope ladder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105633854A (en) * 2016-01-22 2016-06-01 国家电网公司 Antiskid apparatus for electric power overhead aluminium stranded wire insulating ladder
CN105633854B (en) * 2016-01-22 2017-10-03 国家电网公司 A kind of electric power overhead aluminum stranded conductor insulating ladder shoe

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