CN106477476A - Electric power electrical verification maintenance ladder - Google Patents
Electric power electrical verification maintenance ladder Download PDFInfo
- Publication number
- CN106477476A CN106477476A CN201611225886.5A CN201611225886A CN106477476A CN 106477476 A CN106477476 A CN 106477476A CN 201611225886 A CN201611225886 A CN 201611225886A CN 106477476 A CN106477476 A CN 106477476A
- Authority
- CN
- China
- Prior art keywords
- crane
- hoistable platform
- circuit
- signal
- electric power
- 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
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- 238000012795 verification Methods 0.000 title claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 15
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 20
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
Abstract
The invention discloses a kind of electric power electrical verification maintenance ladder, belong to electric power overhaul field of tool.It includes the first crane, the second crane, it is respectively equipped with elevating drive mechanism on described first crane and the second crane, the elevating drive mechanism of described first crane and the second crane is connected to the first hoistable platform and the second hoistable platform, described first hoistable platform is detachably connectable with the second hoistable platform, and the first crane, the top of the second crane are provided with non-contact electricity testing device.Present invention is mainly used for the maintenance of power cable, can automatically cue circuit whether powered, greatly strengthen security performance, and reduce the labor intensity of workman, improve work efficiency.
Description
Technical field
The invention belongs to a kind of electric power overhaul instrument, specifically, more particularly, to a kind of electric power electrical verification maintenance ladder.
Background technology
At present, it is often necessary to the aerial cable being pointed to higher position is overhauled in electric power overhaul, maintenance ladder is normal
Ascending tool, and the maintenance ladder being used at present mostly is aluminum alloy material, electric conductivity preferably, when needing to set up maintenance ladder
Dependence thing because when the reason such as electrical equipment electric leakage is powered, or when maintenance ladder maloperation is encountered on charging equipment, easily because
Maintenance ladder is conductive and electricity is hindered operator or caused electrical equipment short circuit, causes security incident.In addition, presently used maintenance ladder is not
Possess the function to working environment whether live detection, therefore when workmen is in operation construction, electric shock accidentss easily occur.
And current maintenance ladder is common double ladder, operator in long-time maintenance circuit, easily fatigue, careless slightly will
The danger fallen down from ladder, easily produces some unsafe factors.And commonly the activity space of ladder is limited, therefore needs
Position is overhauled to adjust in the position constantly converting ladder, and staff needs, with ladder on the continuous descending stair of instrument, to increase
Extensive work amount.
Content of the invention
It is an object of the present invention to provide a kind of electric power electrical verification maintenance ladder, with overcome lack in prior art a kind of safe and reliable
The defect of electric power overhaul ladder.
The present invention employs the following technical solutions realization：
A kind of electric power electrical verification maintenance ladder, including the first crane, the second crane, described first crane and second lifts
Elevating drive mechanism is respectively equipped with frame, the elevating drive mechanism of described first crane and the second crane is connected to
One hoistable platform and the second hoistable platform, described first hoistable platform is detachably connectable with the second hoistable platform, described first liter
Fall frame, the top of the second crane are provided with non-contact electricity testing device.
Described non-contact electricity testing device includes power supply, single-chip microcomputer, sensor, signal processing module, voice module, instruction mould
Block, sensor is used for reading electric field signal, and transmits signals to signal processing module, and signal processing module includes the two of parallel connection
Individual identical signal processing circuit, the signal making that single-chip microcomputer is used for receiving from signal processing module is sentenced accordingly
Disconnected, and result is sent to subsequent conditioning circuit, voice module and indicating module are connected with single-chip microcomputer.
Described sensor is located in bucker, and described bucker is hemispherical dome structure, and its bottom is provided with through hole.
Described signal processing circuit includes signal follow circuit, filter circuit, voltage doubling rectifing circuit, subtraction circuit, amplification
Circuit, Schmidt trigger circuit, signal designation and monitoring signal transtation mission circuit, from sensor input signal through signal with
Nearly filter circuit is filtered with circuit and after forward bias, then becomes AC signal by voltage doubling rectifing circuit voltage multiplying rectifier
Direct current signal, cuts the interference signal between adjacent lines by subtraction circuit, by amplifying circuit, signal is carried out necessary putting
Send into greatly Schmidt trigger circuit afterwards, Schmidt trigger circuit has sent electric, no electric two kinds of signals according to the size of input signal
To single-chip microcomputer.
Described elevating drive mechanism includes motor, drive shaft and driven spindle, on described drive shaft and driven spindle
At least it is fixed with one group of sprocket wheel respectively, the sprocket wheel vertical direction of the sprocket wheel of drive shaft and driven spindle is correspondingly arranged and passes through
Chain connects, and described drive shaft one end is connected with motor also by sprocket wheel, chain.
Also include anti-fall device, described anti-fall device includes hook, slide rail and hanging seat, described slide rail, hook vertical array
It is fixed on inside the first crane and the second crane, described hanging seat one end is flexibly connected with slide rail, the other end and first lifts
Platform or the second hoistable platform are fixedly connected, low arc-shaped hole track, described hole after described hanging seat connecting plate is high before being provided with
Being provided with track can be along the load-bearing latch of hole slide.
Respectively open up jagged on described first hoistable platform and the second hoistable platform.
Described first hoistable platform is connected using connected structure or using locking member attachment structure with the second hoistable platform.
Compared with prior art, the invention has the beneficial effects as follows：
(1) present invention is provided with operating platform, and operating platform can be separated into two parts, and operating platform side is provided with scarce
Mouthful, therefore by breach, circular electric pole can be enclosed in the middle of it, workman has enough working places to carry out service work, labor
Tire out and can also rest above, and multiple workmans can have been met and the electric device of diverse location is overhauled simultaneously；
(2) hoistable platform of the present invention passes through lowering or hoisting gear automatic lifting, it is to avoid workman is frequently upper and lower with instrument, significantly
Reduce the workload of workman；
(3) present invention is safe and reliable, and operating platform is also associated with anti-fall device it is ensured that operating platform will not be dynamic
Accidental falling after power disappearance, substantially reduces the risk that the workman that knows clearly surprisingly falls；
(4) present invention is provided with non-contact electricity testing device, can carry out electrical verification work while setting up maintenance ladder, and electrical verification fills
Put and do not need and high-voltage line directly contact, use conveniently, safely, and using single-chip microcomputer as detection and control core,
Have display lamp and voice message when electrical verification is reminded concurrently, system signal is stable, reliability is high.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the A-A direction view of Fig. 1；
Fig. 3 is the structural representation of the hoistable platform of the present invention；
Fig. 4 is the structural representation of the anti-fall device of the present invention；
Fig. 5 is the workflow diagram of the non-contact electricity testing device of the present invention；
Fig. 6 is the structural representation of sensor of the invention bucker；
Fig. 7 is the fundamental diagram of the signal processing circuit of the present invention.
In figure：1st, the first crane；2nd, driven spindle；3rd, drive shaft；4th, the first hoistable platform；5th, sprocket wheel；6th, hanging seat；
7th, chain；8th, the second crane；9th, the second hoistable platform；10th, motor；11st, slide rail；12nd, link up with；13rd, breach；14th, hole track；
15th, load-bearing latch；16th, bucker；17th, through hole.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figure 1 and Figure 2, a kind of electric power electrical verification maintenance ladder, including the first crane 1, the second crane 8, the first lifting
Elevating drive mechanism, the elevating drive mechanism of the first crane 1 and the second crane 8 are respectively equipped with frame 1 and the second crane 8
It is connected to the first hoistable platform 4 and the second hoistable platform 9, the first hoistable platform 4 and the separable company of the second hoistable platform 9
Connect.First crane 1 and the second crane 8 can be used alone and can also be used in combination, and is used alone flexible,
Suitable one-man job, be applied in combination working range wide, more safe and reliable it is adaptable to many people work, the first crane 1, second
The top of crane 8 is provided with non-contact electricity testing device (not shown).
Embodiment 2：
As shown in figure 5, described non-contact electricity testing device includes power supply, single-chip microcomputer, sensor, signal processing module, voice
Module, indicating module, sensor is used for reading electric field signal, and transmits signals to signal processing module, signal processing module
Including two identical signal processing circuits in parallel, single-chip microcomputer is used for receiving after the signal of signal processing module
Single-chip microcomputer will judge accordingly, and result is sent to subsequent conditioning circuit, and voice module and indicating module are connected with single-chip microcomputer.
Signal processing module is two-way crossing operation circuit, and two paths of signals process circuit is completely the same, transmits a signal to instruction finally
Carry out cross check before lamp and computer, that is, only two paths of signals be simultaneously emitted by during electricity (no electricity) could be there being electricity (no electricity) letter
Number it is sent to display lamp and single-chip microcomputer, if the last sent signal of two-way is inconsistent, final signal can be cut off it is impossible to send out
Deliver to display lamp and single-chip microcomputer, now can determine whether that electroscope is out of order, and enhances your vigilance, take corresponding measure, it is to avoid accident
Occur.
As shown in fig. 6, sensor is located in bucker 16, described bucker 16 is hemispherical dome structure, and its bottom is provided with logical
Hole 17, through hole 17 is used for drawing wiring, and smooth hemispherical dome structure can protect sensor well, and rainwater can be from top cover simultaneously
Landing, will not affect sensor signal because forming moisture film at top.
As shown in fig. 7, signal processing circuit includes signal follow circuit, filter circuit, voltage doubling rectifing circuit, subtraction electricity
Road, amplifying circuit, Schmidt trigger circuit, signal designation and monitoring signal transtation mission circuit, from the input signal warp of sensor
Cross signal follow circuit follow and forward bias after be filtered, then AC signal voltage multiplying rectifier is become direct current signal, subtraction
Device cuts the interference signal between adjacent lines, and signal is carried out sending into Schmidt trigger, triggering after necessary amplification by amplifier
Device has sent electric, no electric two kinds of signals to single-chip microcomputer according to the size of input signal.
Embodiment 3：
Elevating drive mechanism includes motor 10, drive shaft 3 and driven spindle 2, described drive shaft 3 and driven spindle 2
Upper be at least fixed with one group of sprocket wheel 5 respectively, the sprocket wheel 5 of drive shaft 3 is corresponding with sprocket wheel 5 vertical direction of driven spindle 2 to be set
Put and pass through chain 7 to connect, described drive shaft 3 one end is connected with motor 10 also by sprocket wheel 5, chain 7.Elevating drive mechanism
Structure be not limited only to said structure form, other with the application similar structures, such as gear drive, hydraulic pressure liter may also be employed
The structures such as fall.
The other structures of the present embodiment are identical with embodiment 1 or 2.
Embodiment 4：
As Figure 1-4, it is additionally provided with anti-fall device between hoistable platform and crane, anti-fall device includes linking up with 12, slides
Rail 11 and hanging seat 6, slide rail 11, hook 12 vertical array are fixed on inside the first crane 1 and the second crane 8, hanging seat 6 one end
It is flexibly connected with slide rail 11, the other end is fixedly connected with the first hoistable platform 4 or the second hoistable platform 9, and hanging seat 6 connecting plate sets
Low arc-shaped hole track 14 after height before having, is provided with the load-bearing latch 15 that can slide along arc-shaped hole track 14 in hole track 14.
As shown in figure 4, in the slow lifting process of hoistable platform, after load-bearing latch 15 contact hook 12, along arc-shaped hole rail
Road 14 slowly rises, and does not affect hoistable platform normal hoisting process；When hoistable platform drops suddenly, load-bearing latch 15 relies on certainly
Body gravity reduction, so that hook 12 is stuck on load-bearing latch 15, prevents hoistable platform from continuing to fall.
The other structures of the present embodiment are identical with embodiment 1 or 2 or 3.
Embodiment 5：
As shown in Figure 2 and Figure 3, the first hoistable platform 4 is respectively offered to corresponding position with the second hoistable platform 9 upper side edge
Breach 13, two breach 13 are grouped together into a big opening, trunk or electric pole etc. can be embedded in two during use
In the middle of the opening of individual breach 13 composition, workman can carry out operation around trunk one circle, it is to avoid frequently goes up descending stair replacing work
Position, significantly reduces the workload of workman.
Wherein, the first hoistable platform 4 and the second hoistable platform 9 adopt connected structure or adopt locking member attachment structure.
The other structures of the present embodiment are same as Example 4.
Embodiment 6：
First hoistable platform 4 is connected using connected structure or using locking member attachment structure with the second hoistable platform 9.This
The other structures of embodiment are same as Example 5.
Claims (8)
1. a kind of electric power electrical verification maintenance ladder, including the first crane (1), the second crane (8), described first crane (1) and
Elevating drive mechanism is respectively equipped with the second crane (8), the lifting of described first crane (1) and the second crane (8) passes
Motivation structure be connected to the first hoistable platform (4) and the second hoistable platform (9) it is characterised in that：Described first hoistable platform
(4) detachably connectable with the second hoistable platform (9), described first crane (1), the top of the second crane (8) are provided with non-connecing
Tactile electroscopic device.
2. electric power electrical verification maintenance ladder according to claim 1 it is characterised in that：Described non-contact electricity testing device includes electricity
Source, single-chip microcomputer, sensor, signal processing module, voice module, indicating module, sensor is used for reading electric field signal, and will believe
Number it is sent to signal processing module, signal processing module includes two identical signal processing circuits of parallel connection, single-chip microcomputer
For receiving from the signal of signal processing module and making corresponding judgement, and result is sent to subsequent conditioning circuit,
Voice module and indicating module are connected with single-chip microcomputer.
3. electric power electrical verification maintenance ladder according to claim 2 it is characterised in that：Described sensor is located at bucker (16)
Interior, described bucker is hemispherical dome structure, and its bottom is provided with through hole (17).
4. electric power electrical verification maintenance ladder according to claim 3 it is characterised in that：Described signal processing circuit include signal with
With circuit, filter circuit, voltage doubling rectifing circuit, subtraction circuit, amplifying circuit, Schmidt trigger circuit, signal designation and monitoring
Signal sending circuit, from sensor input signal through signal follow circuit and after forward bias nearly filter circuit filtered
Then AC signal is become direct current signal by voltage doubling rectifing circuit voltage multiplying rectifier, cuts adjacent lines by subtraction circuit by ripple
Between interference signal, by amplifying circuit signal is carried out necessary amplify after send into Schmidt trigger circuit, schmidt trigger
Circuit has sent electric, no electric two kinds of signals to single-chip microcomputer according to the size of input signal.
5. electric power electrical verification maintenance ladder according to claim 1 it is characterised in that：Described elevating drive mechanism includes motor
(10), drive shaft (3) and driven spindle (2), described drive shaft (3) and driven spindle (2) are at least fixed with respectively
One group of sprocket wheel (5), the sprocket wheel (5) of drive shaft (3) and sprocket wheel (5) vertical direction of driven spindle (2) are correspondingly arranged and pass through
Chain (7) connects, and described drive shaft (3) one end is connected with motor (10) also by sprocket wheel (5), chain (7).
6. the electric power electrical verification maintenance ladder according to claim 1 to 5 any one it is characterised in that：Also include anti-fall device,
Described anti-fall device includes linking up with (12), slide rail (11) and hanging seat (6), and described slide rail (11), hook (12) vertical array are fixed
Inside the first crane (11) and the second crane (8), described hanging seat (6) one end is flexibly connected with slide rail (111), the other end
It is fixedly connected with the first hoistable platform (4) or the second hoistable platform (9), low after described hanging seat (6) connecting plate is high before being provided with
Arc-shaped hole track (14), is provided with the load-bearing latch (15) that can slide along hole track (14) in described hole track (14).
7. electric power electrical verification maintenance ladder according to claim 6 it is characterised in that：Described first hoistable platform (4) and second
Respectively open up jagged (13) on hoistable platform (9).
8. electric power electrical verification maintenance ladder according to claim 7 it is characterised in that：Described first hoistable platform (4) and second
Hoistable platform (9) is adopted connected structure or is connected using locking member attachment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225886.5A CN106477476B (en) | 2016-12-27 | 2016-12-27 | Electric power electrical verification maintenance ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225886.5A CN106477476B (en) | 2016-12-27 | 2016-12-27 | Electric power electrical verification maintenance ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106477476A true CN106477476A (en) | 2017-03-08 |
| CN106477476B CN106477476B (en) | 2018-11-09 |
Family
ID=58285646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611225886.5A Expired - Fee Related CN106477476B (en) | 2016-12-27 | 2016-12-27 | Electric power electrical verification maintenance ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106477476B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095410A (en) * | 2018-10-31 | 2018-12-28 | 长沙宁湖机械设备有限公司 | A kind of forklift lifting device with insurance institution |
| CN110386571A (en) * | 2019-06-24 | 2019-10-29 | 苏州浪潮智能科技有限公司 | A kind of device for server test |
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| JPH02144307A (en) * | 1988-11-28 | 1990-06-04 | Komatsu Forklift Co Ltd | Overload detecting device in shelf loading machine |
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| CN110386571A (en) * | 2019-06-24 | 2019-10-29 | 苏州浪潮智能科技有限公司 | A kind of device for server test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106477476B (en) | 2018-11-09 |
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