CN200992804Y - Switch-lifting inspection scaffold - Google Patents
Switch-lifting inspection scaffold Download PDFInfo
- Publication number
- CN200992804Y CN200992804Y CN 200620165101 CN200620165101U CN200992804Y CN 200992804 Y CN200992804 Y CN 200992804Y CN 200620165101 CN200620165101 CN 200620165101 CN 200620165101 U CN200620165101 U CN 200620165101U CN 200992804 Y CN200992804 Y CN 200992804Y
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- CN
- China
- Prior art keywords
- lift
- support arm
- switch
- framework
- scaffold
- 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 - Lifetime
Links
- 238000007689 inspection Methods 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model is a lifting overhauling scaffold for the switch, relating to a high voltage device hanging scaffold, in particular to an overhauling rack which is applicable for the places which are narrow and can not be done with suspension overhauling and in which the switch is at the center part of altitude. According to the technique proposal of the utility model, a frame is arranged on the upper end of the insulating bottom frame; a lifting shaft which can move up and down is arranged on the frame; and a work terrace is arranged on the upper end of the lifting shaft. The frame is provided with a guiding mechanism which can do guiding to the lifting shaft, a lockup mechanism which is used for locking up the lifting shaft when the lifting shaft locates at a certain place and a lifting mechanism which is used for moving the lifting shaft. The utility model can be used for high voltage switch and switch blade checking, having the advantages of simple structure and convenient using; the utility model is also a switch lifting overhauling scaffold which can enter narrow space.
Description
Technical field
The utility model relates to a kind of high voltage installation maintenance scaffold, refers in particular to a kind ofly to be adapted at narrow and small and place, particularly Jian Xiu switch that can not the unsettled maintenance switch lift maintaining scaffold of centre use aloft.
Background technology
The electric equipment for industries such as transformer station, power plant, booster stations that power industry, particularly high-voltage electrical equipment are concentrated needs often maintenance, safeguards or changes as porcelain vase, switch etc.These parts that need overhaul are not only in the eminence of high voltage installation, and are positioned at the equipment center position, therefore overhaul difficulty and danger is all bigger.To the maintenance of this type of power equipment, be divided into interruption maintenance and charged equipotential maintenance dual mode usually at present.Wherein charged equipotential maintenance, since dangerous big, do not adopt usually unless it is absolutely necessary; Therefore and interruption maintenance is safer, and class place circuit, equipment are comparatively intensive again, each electrical equipment arrange and spacing not quite identical again, the space, place is little, the top high-voltage line is intensive, the lift work car is difficult to directly enter hanging operation; And maintenance procedure do not allow again to take by electric equipment with ladder, and therefore common ladder is out of use.So in the prior art, general many employings are taken and are put the scaffold maintenance, put repairing frame yet take, not only take and be set to this greatly, the consumption worker is consuming time, and repairing frame careless slightly damage that will cause electric fixtures in taking the process of tearing open, and touching closes on electric equipment arranged, and personal safety is constituted a serious threat.
In order better to carry out new " electric industry job safety working regulation " requirement to the site safety measure, solve the practical problem of produced on-site process safe measure, requirement according to new " electric industry job safety working regulation ", my company is thought, the original old repairing frame of usefulness, because can't use after the transposing of plug-in strip, the switch maintenance frame that has is a metal, can't satisfy the needs and the requirement of safety newly that guarantee that site safety is produced the sixth of the twelve Earthly Branches.In order to guarantee site operation personnel's personal safety, prevent the generation of high-altitude falling accident, award support from safety technics, press for for this reason and develop novel switched, plug-in strip maintenance scaffold.Effectively solve the big technical barrier in the maintenance of above-mentioned place.
Summary of the invention
The purpose of utility model is to overcome the deficiency of above-mentioned prior art, and a kind of high-voltage switch gear maintenance, simple in structure, convenient switch lift maintaining scaffold that uses, can enter narrow and small place of can be used for is provided.
According to the technical scheme that the utility model provides, the upper end installation frame at the insulation underframe has the lift that can move up and down on framework, in the upper end of lift working platform is set; On framework, be provided for guiding mechanism that lift is led, be used for the locking mechanism of locking lift after lift is in certain position, and be used for the elevating mechanism of mobile lift.
In elevating mechanism, pulley is installed on the framework, and an end of stay cord is connected with lift, and the other end is walked around behind the pulley sagging.In locking mechanism, lock shaft is installed on the framework, being provided with on lock shaft can be around the lock dog of the rotational of lock shaft, this lock dog is when being in the lock state, its soffit rests on the support that is arranged on the framework, the upper surface of lock dog withstands the step in the lift, at the movable end connection lock dog stay cord of lock dog.
In guiding mechanism, two parallel axis of guides are installed on the framework in couples, and rotary directive wheel is installed on the every axis of guide, and lift is between two directive wheels; The paired axis of guide has two pairs at least.Fence is set on working platform, has anti-collapsing to pull line at the top of fence.
The insulation underframe is interconnected to " people " font by two support arms, and the lower end of a support arm is provided with base plate therein, between base plate and support arm adjusting screw(rod) is arranged; In the lower end of another root support arm footmuff moving up and down is set; Between the top of support arm and support arm, be connected and fixed plate; And the length of a support arm is greater than the length of another root support arm.Between working platform and lift bearing diagonal is arranged, slipmat is arranged at the bottom of working platform, the snap close that top is provided for fastening the safety belt.
The utility model has the advantages that: owing to adopt vertical fixed insulation underframe, with the escalator structure moving up and down that is slidingly arranged on the underframe, omitted the vertical crane complicated, that occupy-place is bigger, therefore, rational in infrastructure, novel, the light and handy volume of equipment is little, take and tear open conveniently, vertically is not with conducting metal.The support that fixes of unfavorable electrical installation, make repairing frame carry out lifting near repair apparatus, maintenance person is stood on it can the close contact repair apparatus, can make things convenient for centre, switching devices top parts to overhaul, safeguard, change, and has made things convenient for maintenance.The vertical thickness of this device is less, therefore shared place is less, can directly enter electric equipment near reaching narrow and small place upkeep operation, be particularly useful for switch maintenance maintenance or replacing that high-voltage electrical equipment is concentrated for transformer station, power plant, booster stations etc., made things convenient for maintenance, having overcome existing device and be difficult in the convenient shortcoming of overhauling in appeal place, is the desirable repair apparatus in aforementioned place.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is elevating mechanism, locking mechanism and the Guiding machine composition that is installed on the framework.
The specific embodiment
As shown in the figure: the upper end installation frame 6 at the insulation underframe, the lift 7 that can move up and down is arranged on framework 6, in the upper end of lift 7 working platform 8 is set; On framework 6, be provided for guiding mechanism that lift 7 is led, be used for the locking mechanism of locking lift 7 after lift 7 is in certain position, and be used for the elevating mechanism of mobile lift 7.
In elevating mechanism, pulley 15 is installed on the framework 6, and an end of stay cord 16 is connected with lift 7, and it is sagging that the other end is walked around pulley 15 backs.Elevating mechanism can also adopt pinion and rack, and gear or tooth bar promptly are installed on framework 6, and corresponding with it tooth bar or gear are installed on lift 7; Also have leading screw and nut mechanism etc., when using these mechanisms, need a driving mechanism usually; Can adopt electric pushrod mechanism in addition, or crank-link mechanism etc., but these elevating mechanisms can only be applicable to position of lifting, can not arbitrarily rest on certain height.
In locking mechanism, lock shaft 17 is installed on the framework 6, being provided with on lock shaft 17 can be around the lock dog 13 of the rotational of lock shaft 17, this lock dog 13 is when being in the lock state, its soffit rests on the support 14 that is arranged on the framework 6, the upper surface of lock dog 13 withstands the step 11 in the lift 7, at the movable end connection lock dog stay cord 12 of lock dog 13.This is a kind of locking mechanism that is similar to ratchet, in addition, can also adopt the bolt-type locking mechanism, several pin holes promptly are set on lift 7, corresponding one or more pin hole is set on framework 6, move when leading certain position at lift 7, latch is inserted in corresponding on lift 7 and the framework 6 pin hole, the relative position of lift 7 with framework 6 locked.
In guiding mechanism, two parallel axis of guides are installed on the framework 6 in couples, and rotary directive wheel 10 is installed on the every axis of guide, and lift 7 is between two directive wheels 10; The paired axis of guide has two pairs at least.Guiding mechanism can also adopt alternate manner except the mode of this directive wheel, as on framework 6 chute being set, slide block that can slide in chute or the like is set on lift 7.Fence 9 is set on working platform 8, has anti-collapsing to pull line at the top of fence 9.
The underframe of insulation is interconnected to " people " font by support arm 4 and support arm 2, and the lower end of a support arm 4 is provided with base plate 3 therein, between base plate 3 and support arm 4 adjusting screw(rod) is arranged; Footmuff 1 moving up and down is set in the lower end of another root support arm 2; Between the top of support arm 4 and support arm 2, be connected and fixed plate 5; And the length of a support arm 4 is greater than the length of another root support arm 2.
7 of working platform 8 and lifts have bearing diagonal, and slipmat is arranged at the bottom of working platform 8, the snap close that top is provided for fastening the safety belt.
During work, support arm 2 is opened, adjust the position of footmuff 1 with the base plate 3 of support arm 4 lower ends of support arm 2 lower ends, with spending blue pull bar adjustment and fixed head 5, after adjusting to the right place, fixedly support arm 2, according to maintenance position needs, support arm 2,4 is moved into place together, and pulling insulation stay cord 16 is by the pulley 15 drive lifts 7 and working platform 8 risings thereof at underframe top, until being raised to operable position, four direction on safe fence 9 tops draws four to pull line, and the maintainer is stood on it can safety and firmness, finishes the installation of insulated lift switch maintenance scaffold.By the displacement of lift maintaining scaffold, can be used for overhauling not ipsilateral.When lift 7 rises, each grade step 11 of lift 7 all can be run into lock dog 13, and the movable end that promotes lock dog 13 rotates counterclockwise around bearing pin 17, after step 11 leaves lock dog 13, lock dog 13 repeats above-mentioned action again when effect resets at next stage step 11 and runs into lock dog 13 under deadweight; When lift 7 descends, should strain lock dog stay cord 12 earlier, lock dog 13 is rotated counterclockwise around bearing pin 17, the movable end of lock dog 13 is in the state of turning over, and at this moment lift 7 just can glide.In the lift 7 rise and fall processes, all between two directive wheels 10, slide, lead by two pairs of directive wheels 10.
The insulation underframe can adopt single column, also can adopt the ladder structure of parallel twin columns, and the lift of She Zhiing and the working platform steadiness of standing are good like this, can skew back, help maintenance activity, and while twin columns structure also helps the lift oscilaltion.For strengthening the steadiness of vertical insulation underframe, reduce the top platform of standing and rock, it is firm oblique rope to be set, and also can add the bearing diagonal that connects the insulation underframe supporting the base plate front.
The said lift of the utility model can oscilaltion on the insulation underframe under insulation rope pulling, and lift can adopt sidepiece obvolvent structure to be arranged on the underframe.Can also buckle-up be set on the frame sliding the liter in addition, with the stand safety of maintenance person of increase.
Claims (7)
1, a kind of switch lift maintaining scaffold is characterized in that: the upper end installation frame (6) at the insulation underframe, the lift (7) that can move up and down is arranged on framework (6), and in the upper end of lift (7) working platform (8) is set; On framework (6), be provided for guiding mechanism that lift (7) is led, be used for after lift (7) is in certain position, locking the locking mechanism of lift (7), and be used for the elevating mechanism of mobile lift (7).
2, switch lift maintaining scaffold as claimed in claim 1 is characterized in that: in elevating mechanism, pulley (15) is installed on the framework (6), and an end of stay cord (16) is connected with lift (7), and it is sagging that the other end is walked around pulley (15) back.
3, switch lift maintaining scaffold as claimed in claim 1, it is characterized in that: in locking mechanism, lock shaft (17) is installed on the framework (6), being provided with on lock shaft (17) can be around the lock dog (13) of the rotational of lock shaft (17), this lock dog (13) is when being in the lock state, its soffit rests on the support (14) that is arranged on the framework (6), the upper surface of lock dog (13) withstands the step (11) in the lift (7), at the movable end connection lock dog stay cord (12) of lock dog (13).
4, switch lift maintaining scaffold as claimed in claim 1, it is characterized in that: in guiding mechanism, two parallel axis of guides are installed on the framework (6) in couples, and rotary directive wheel (10) is installed on the every axis of guide, and lift (7) is positioned between two directive wheels (10); The paired axis of guide has two pairs at least.
5, switch lift maintaining scaffold as claimed in claim 1 is characterized in that: fence (9) is set on working platform (8), has anti-collapsing to pull line at the top of fence (9).
6, switch lift maintaining scaffold as claimed in claim 1, it is characterized in that: the underframe of insulation is interconnected to " people " font by support arm (4) and support arm (2), the lower end of a support arm (4) is provided with base plate (3) therein, between base plate (3) and support arm (4) adjusting screw(rod) is arranged; In the lower end of another root support arm (2) footmuff moving up and down (1) is set; Between the top of support arm (4) and support arm (2), be connected and fixed plate (5); And the length of a support arm (4) is greater than the length of another root support arm (2).
7, switch lift maintaining scaffold as claimed in claim 1 is characterized in that: between working platform (8) and lift (7) bearing diagonal is arranged, slipmat is arranged at the bottom of working platform (8), the snap close that top is provided for fastening the safety belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165101 CN200992804Y (en) | 2006-12-15 | 2006-12-15 | Switch-lifting inspection scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165101 CN200992804Y (en) | 2006-12-15 | 2006-12-15 | Switch-lifting inspection scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200992804Y true CN200992804Y (en) | 2007-12-19 |
Family
ID=38945881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620165101 Expired - Lifetime CN200992804Y (en) | 2006-12-15 | 2006-12-15 | Switch-lifting inspection scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200992804Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852062A (en) * | 2009-11-11 | 2010-10-06 | 江苏省电力公司宜兴市供电公司 | Insulated lift maintaining platform ladder |
| CN107060631A (en) * | 2017-06-15 | 2017-08-18 | 兴化市永盛电力器材有限公司 | A kind of damp proof insulation herringbone lift |
-
2006
- 2006-12-15 CN CN 200620165101 patent/CN200992804Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852062A (en) * | 2009-11-11 | 2010-10-06 | 江苏省电力公司宜兴市供电公司 | Insulated lift maintaining platform ladder |
| CN107060631A (en) * | 2017-06-15 | 2017-08-18 | 兴化市永盛电力器材有限公司 | A kind of damp proof insulation herringbone lift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. JIANGSU ELECTRIC POWER CO Effective date: 20121008 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214062 WUXI, JIANGSU PROVINCE TO: 214061 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121008 Address after: 214061 Jiangsu province Binhu District of Wuxi City Liangxi Road No. 12 Patentee after: Wuxi Power Supply Co., Ltd, Jiangsu Electric Power Co. Patentee after: State Grid Corporation of China Patentee after: Jiangsu Electric Power Company Address before: 214062 Jiangsu city of Wuxi province Liangxi Road No. 12 Patentee before: Wuxi Power Supply Co., Ltd, Jiangsu Electric Power Co. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071219 |
|
| EXPY | Termination of patent right or utility model |