CN201943566U - Flexible ladder head for equal-potential operation - Google Patents
Flexible ladder head for equal-potential operation Download PDFInfo
- Publication number
- CN201943566U CN201943566U CN201020684731XU CN201020684731U CN201943566U CN 201943566 U CN201943566 U CN 201943566U CN 201020684731X U CN201020684731X U CN 201020684731XU CN 201020684731 U CN201020684731 U CN 201020684731U CN 201943566 U CN201943566 U CN 201943566U
- Authority
- CN
- China
- Prior art keywords
- ladder
- charge
- pressing board
- movable pressing
- fixed
- 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
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a flexible ladder head for equal-potential operation. The flexible ladder head comprises a group of wire wheels which are suspended on a wire and can move left to right, wherein the number of the wire wheels is two, the two wire wheels are fixed at the upper end parts of two auxiliary tubes respectively, two main tubes are adjacently connected with the lower ends of the auxiliary tubes respectively, a flexible ladder is connected with the lower ends of the main tubes, a transverse fixed press plate and a transverse movable press plate are connected between the two main tubes, the transverse fixed press plate is fixed on the main tubes, the transverse movable press plate is sleeved on the two main tubes and can move up and down, springs are sleeved on the main tubes between the fixed press plate and the movable press plate, connecting rods are connected on the two sides of the movable press plate respectively and arranged upward in the vertical direction, the upper end parts of connecting rods are connected on push pivots of safety hooks, the fixed ends of the safety hooks are positioned on the main tubes, the other ends of the safety hooks are connected with safety fasteners which arranged on the auxiliary tubes. The utility model is characterized in that the flexible ladder head for equal-potential operation has a simple structure, is practical and convenient to use, and improves safety and reliably.
Description
Technical field
The rope ladder ladder head that uses when the utility model relates to a kind of equipotential live line work, a kind of terraced head of rope ladder that has the self-locking safeties.
Background technology
When using the rope ladder equipotential live line work, need be on lead with rope ladder ladder head suspension, and can be on lead move left and right.Use the rope ladder method to carry out equipotential live line work, up and down during rope ladder, have safeties on the rope ladder ladder head, but present employed rope ladder ladder head with the safeties effect relatively poor, when the line shelves work of meeting the big discrepancy in elevation, big span, when the operating personnel enters and withdraw from terraced, can produce one-sided stressed, terraced first side is deviate from, produce dangerous.
In addition, an existing rope ladder ladder safeties because of conductor vibration or operating personnel's clothing touch, can make the insurance activity butt strip drop when the operation transposition, lose insurance; If in time do not find and buckle, if one-sided stressed when operation, can make terraced first side deviate from lead, produce dangerous.
Carrying out the most frequently used method of equipotential livewire work and be rope ladder equipotential live line work personnel utilizes and buckles safeties after the rope ladder equipotential and carry out livewire work, so when not buckling safeties at the line shelves of big span, the big discrepancy in elevation or in operation rope ladder ladder head can produce one-sided stressed, the side that do not stress can not contact wire or thigh go out lead.
Therefore find from on-site investigation, when carrying out,, have certain hidden danger when making this livewire work because a rope ladder ladder safeties can not effectively be protected with rope ladder method equipotential live line work.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists; and provide a kind of a present rope ladder ladder safeties are improved; safeties can effectively be protected in operation process; the ladder head is deviate from insured the no longer appearance that the butt strip disengagement makes termination of insurance status in lead and the work; remove a hidden danger for carrying out this livewire work from now on, the rope ladder ladder head that is used for equipotential live line work of strong safety guarantee is provided.
The purpose of this utility model is finished by following technical solution, it comprises one group of guide roller that can hang on move left and right on the lead, described guide roller has two and be fixed on down respectively and be associated with that two of rope ladder is responsible for and the upper end of adjacent looped pipeline with it, and described two are connected with one between being responsible for respectively fixingly is placed on two with the pressure-bearing type fixation clip of being responsible for and and is responsible for upward pressure-bearing type movable pressing board moving up and down; On the person in charge between described fixation clip and the movable pressing board, be equipped with spring; The both sides of described movable pressing board respectively are connected with the connecting rod of arranging vertically upward, and the upper end of connecting rod is connected on the promotion fulcrum of an auxiliary catch, and the fixed endpoint of described auxiliary catch is arranged on the person in charge, and the other end joins with the insurance hasp that is arranged on the looped pipeline.
Described movable pressing board two ends place two to be responsible for by a linear axis bearing sleeve respectively, are respectively arranged with through hole and the knot hole of passing for stay cord in the middle of described fixation clip and the movable pressing board.
Be equipped with this section of spring on described two persons in charge and be provided with the stainless steel outer sleeve pipe, the looped pipeline of described guide roller side is provided with can be with the braking latch pin of guide roller location; Described two are responsible for the bottom is provided with the connection end that connects rope ladder.
The utility model with the safeties reliable in action, firmly locking, termination of insurance status or safeties can not take place can't move, solved substantially a ladder safeties can not effective and safe protection problem and having improved the activity duration, for livewire work provides safety guarantee; The utility model described guide roller, be on the pulley by having adorned the tripping spring latch, can control the action mode of wheel very easily, make operation more convenient, efficient; The rope ladder ladder head of the band self-locking safeties after the improvement has characteristics such as simple in structure, practical, esy to use, safe and reliable.
Description of drawings
Fig. 1 is a volume structural representation of the present utility model.
Fig. 2 is the side-looking structural representation of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is shown in detailed introduction: Fig. 1,2, the utility model comprises one group of guide roller 1 that can hang on move left and right on the lead, described guide roller 1 has two and be fixed on down two persons in charge 2 and the upper ends of adjacent with it looped pipeline 3 that are associated with rope ladder respectively, the person in charge 2 is longer, and looped pipeline is shorter, can pack into lead and lead is hung on the guide roller 1 from looped pipeline during use, described guide roller is pulley, therefore move left and right on lead easily, convenient working.Described two are responsible for and are connected with one between 2 respectively and are fixed in the pressure-bearing type fixation clip of being responsible on 24 and and are placed on two and are responsible for pressure-bearing type movable pressing board 5 moving up and down on 2, and they are responsible for 2 with two and combine and constitute a comparatively complete ladder.On the person in charge between described fixation clip 4 and the movable pressing board 5, be equipped with spring 6, be convenient to produce between fixation clip and the movable pressing board compression displacement and under the effect of spring, set back; The both sides of described movable pressing board 5 respectively are connected with the connecting rod of arranging vertically upward 7, the upper end of connecting rod 7 is connected on the promotion fulcrum 9 of an auxiliary catch 8, the fixed endpoint 10 of described auxiliary catch 8 is arranged to be responsible on 2, and the other end joins with the insurance hasp 11 that is arranged on the looped pipeline 3.
Movable pressing board described in the utility model 5 two ends are held 12 by a linear axis respectively and are placed on two persons in charge 2, are respectively arranged with through hole 13 and the knot holes of passing for stay cord 14 in the middle of described fixation clip 4 and the movable pressing board 5.During use, stay cord is transferred from top lead side, pass through hole 13 to the knot hole 14 knottings fixing, stay cord upwards furthers, at this moment utilize the deadweight of rope ladder, reach the pulling force that stay cord makes progress, make movable pressing board 5 relative fixed pressing plates 4 upwards compress spring 6 and move, drivening rod 7 moves upward thereupon, and drive auxiliary catch 8 is thrown off insurance hasps 11, at this time, can easily lead be hung on the guide roller between the looped pipeline 3 and the person in charge 2, stay cord comes loose, movable pressing board sets back under the effect of spring, at this moment, auxiliary catch joins with the insurance hasp, thereby realizes insurance.
Be equipped with spring 6 these sections on described two persons in charge 2 and be provided with the stainless steel outer sleeve pipe, the looped pipeline 3 of described guide roller 1 side is provided with can be with the braking latch pin 15 of guide roller location, it can control the action mode of wheel very easily, makes operation more convenient, efficient; Described two are responsible for 2 bottoms is provided with the connection end 16 that connects rope ladder, as thread head etc., is convenient to connect rope ladder.
The utility model with the safeties reliable in action; firmly locking; termination of insurance status or safeties can not take place can't move, solved substantially a ladder safeties can not effective and safe protection problem and having improved the activity duration, for livewire work provides safety guarantee.Ladder the safeties of the utility model after improving are open and close fully automatically, reliable in action, vibrations or operating personnel's clothes does not touch to make and closes safeties and lost efficacy in the time of can be because of transposition in operation process, thus the rope ladder ladder head of the band self-locking safeties after having confirmed to improve can operate at the scene in not only practicality but also safety.
Claims (3)
1. rope ladder ladder head that is used for equipotential live line work, it comprises one group of guide roller that can hang on move left and right on the lead, described guide roller has two and be fixed on down respectively and be associated with that two of rope ladder is responsible for and the upper end of adjacent looped pipeline with it, it is characterized in that described two are responsible for and are connected with a pressure-bearing type fixation clip (4) and that is fixed on the person in charge between (2) respectively and are placed on upward pressure-bearing type movable pressing board moving up and down (5) of two persons in charge (2); On the person in charge (2) between described fixation clip (4) and the movable pressing board (5), be equipped with spring (6); The both sides of described movable pressing board (5) respectively are connected with the connecting rod of arranging vertically upward (7), the upper end of connecting rod (7) is connected on the promotion fulcrum (9) of an auxiliary catch (8), the fixed endpoint (10) of described auxiliary catch (8) is arranged on the person in charge (2), and the other end joins with the insurance hasp (11) that is arranged on the looped pipeline (3).
2. the rope ladder ladder head that is used for equipotential live line work according to claim 1, it is characterized in that described movable pressing board (5) two ends hold (12) by a linear axis respectively and be placed on two and be responsible on (2), be respectively arranged with through hole (13) and knot hole (14) that the confession stay cord passes in the middle of described fixation clip (4) and the movable pressing board (5).
3. the rope ladder ladder head that is used for equipotential live line work according to claim 1 and 2, it is characterized in that being equipped with on described two persons in charge (2) this section of spring (6) and be provided with the stainless steel outer sleeve pipe, the looped pipeline (3) of described guide roller (1) side is provided with can be with the braking latch pin (15) of guide roller location; Described two are responsible for (2) bottom is provided with the connection end that connects rope ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020684731XU CN201943566U (en) | 2010-12-28 | 2010-12-28 | Flexible ladder head for equal-potential operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020684731XU CN201943566U (en) | 2010-12-28 | 2010-12-28 | Flexible ladder head for equal-potential operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201943566U true CN201943566U (en) | 2011-08-24 |
Family
ID=44470915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020684731XU Expired - Fee Related CN201943566U (en) | 2010-12-28 | 2010-12-28 | Flexible ladder head for equal-potential operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201943566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105429046A (en) * | 2015-12-17 | 2016-03-23 | 国家电网公司 | Rope ladder head used for equipotential live working and application method therefor |
-
2010
- 2010-12-28 CN CN201020684731XU patent/CN201943566U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105429046A (en) * | 2015-12-17 | 2016-03-23 | 国家电网公司 | Rope ladder head used for equipotential live working and application method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201943566U (en) | Flexible ladder head for equal-potential operation | |
| CN104649135A (en) | Shackle capable of self-locking pin rod during hoisting and automatically releasing pin rod during unhooking | |
| CN206873974U (en) | A kind of high-rise working safety belt hangs packaged type anti-fall device | |
| CN205671051U (en) | One planting fruit-trees layer device | |
| CN202000653U (en) | Steel pipe scaffold lack catch | |
| CN202518937U (en) | Lifting hook | |
| CN205796268U (en) | A kind of highwire escape apparatus | |
| CN101041410A (en) | Actuating type automatic coupling mechanism | |
| CN202059099U (en) | Double-string tension insulator wire-tightening hook | |
| CN203867453U (en) | Lock head type ladder stand | |
| CN203507353U (en) | Self-hanging safety belt device for overhead transmission line operation worker | |
| CN208380493U (en) | It is a kind of for climb production nickel sulfate reaction kettle staircase | |
| CN102513977A (en) | Double-safety hand-operated machine | |
| CN202809362U (en) | End-hidden wire rope sling | |
| CN206035369U (en) | Load formula rope ladder | |
| CN205624054U (en) | Hornet's nest excision device | |
| CN205163967U (en) | Naked pole safety pendant | |
| CN203603857U (en) | Pumping unit hair braid tractor | |
| CN103599604A (en) | Falling protector of safety belt | |
| CN201469926U (en) | Escape safety belt | |
| CN102003156A (en) | Grabbing device for deep well | |
| CN202844414U (en) | Suspension device | |
| CN215179154U (en) | Petroleum pipeline fracturing protection rope testing device | |
| CN203946295U (en) | Wire rope clip | |
| CN203280939U (en) | Deep well life saving device |
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: 20110824 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |