CN109908504A - Safety belt suspension device is used in a kind of maintenance of main transformer - Google Patents
Safety belt suspension device is used in a kind of maintenance of main transformer Download PDFInfo
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- CN109908504A CN109908504A CN201910232350.3A CN201910232350A CN109908504A CN 109908504 A CN109908504 A CN 109908504A CN 201910232350 A CN201910232350 A CN 201910232350A CN 109908504 A CN109908504 A CN 109908504A
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- main transformer
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Abstract
The present invention relates to a kind of main transformer maintenance safety belt suspension devices, including the U-loop at the top of supported rod erecting and supported rod erecting, supported rod erecting bottom is equipped with firm banking, L-shaped fixed bottom plate and channel steel are equipped in firm banking, fixed bottom plate is equipped with the connection bolt that can be matched with the hole for hoist in the lifting plate on main transformer, fixed bottom plate and lifting plate pass through locking nut, it adjusts after spring washer is tightened with connection bolt and is fixedly connected, nut spacing protecting mechanism is additionally provided on fixation bottom plate above connection bolt, nut spacing protecting mechanism includes mounting plate and is embedded between two slide-and-guide items and can limit clamping sliding panel towards the nut of locking nut direction telescopic slide, nut limit clamping sliding panel front end is equipped with the limit card slot that can prevent locking nut rotational release, the rear side that nut limits clamping sliding panel is equipped with bullet Property driving mechanism.It is convenient that the present invention installs and uses, and securely and reliably, greatlys save the upkeep operation time, improves operating efficiency.
Description
Technical field
The present invention relates to power transmission and transforming equipment repair and maintenance technical fields more particularly to a kind of maintenance of main transformer to use safety belt
Suspension arrangement.
Background technique
Main transformer is electrical equipment important in power transmission and transformation power grid, when needs are on main transformer top (abbreviation " top cover ")
When carrying out checking experiment work, due to being not provided with special safety belt suspension device on existing main transformer, lead to work
The safety belt of personnel is nowhere hung.If not using safety belt in operation process, " State Grid Corporation of China's electric power safety is violated
Working regulation " in regulation about " should use of seat belts when 2 meters or more operations ", belong to and operate against regulations.
In order to hang safety belt, someone hangs over safety belt system on the frameworks such as fuel tank, conservator, oil pipe in the prior art, this
Kind way does not meet the rule in " State Grid Corporation of China's electric power safety working regulation " about " use of seat belts high to hang and be of use "
Fixed, there are hidden danger for use process, and are easily damaged equipment.
Therefore, current main transformer overhauls Shi Changyong safety belt hanger bracket to hang safety belt, this safety belt hanger bracket
It is first to fix upright bar on two cement poles of main transformer two sides, steel cable then is set between two upright bars,
Safety belt system is hung over above wirerope again；The advantages of this way is occupy installation space small, and stable structure, Neng Gouyou
Effect eliminates safe hidden trouble；But it is carried out the disadvantage is that the installation of safety belt hanger bracket and dismounting need more people's cooperations to cooperate, peace installation and dismantling
Except to carry out step by step, process it is cumbersome, installation and removal spend the time it is more；And work of ascending a height using ladder is needed when mounting and dismounting
Industry, there is also falling risks.
For these reasons, it needs to find suitable position on main transformer to fix to hang safety belt, research staff's warp
Comparative analysis discovery is crossed, is both provided with the lifting plate (hanging ring) of installation handling on main transformer top cover, lifting plate is solid and reliable,
It is highly-safe.Patent No. 201320598361.1, patent name are the utility model of " transformer safety rope suspension arrangement "
Patent is exactly to install safety rope suspension arrangement as immobilizing foundation using the lifting plate on main transformer top cover, but this is practical
Connection pedestal in safety rope suspension arrangement disclosed in new patent is to compress lifting plate side wall by jacking mechanism to be consolidated
Fixed, the stud in jacking mechanism is easier to shake in use and loosen, and when use may cause safety rope suspension dress
It sets and loosens shaking, there are security risks, require further improvement.
Summary of the invention
To solve the above-mentioned problems, it is hung and is filled with safety belt the purpose of the present invention is to provide a kind of main transformer maintenance
It sets, easily can consolidate safety belt suspension device reliably using the lifting plate on main transformer top cover as immobilizing foundation
It is scheduled on the lifting plate on top cover, and the safety belt suspension device after installation fixation is not easy to shake and loosen, firm stable, safety
Reliably.
To achieve the above object, the invention adopts the following technical scheme:
A kind of main transformer maintenance safety belt suspension device, including supported rod erecting and the U being mounted at the top of the supported rod erecting
The bottom of shape ring, the supported rod erecting is fixed on the fixed base by a L-shaped fixed bottom plate, the fixed bottom plate vertical portion
Side be equipped with the channel steel of the fixed supported rod erecting lower end, the other side of the fixed bottom plate vertical portion is equipped with can be with main transformer
The connection bolt that the hole for hoist in lifting plate on depressor matches, the fixed bottom plate and the lifting plate pass through locking screw
Female, adjusting spring washer is fixedly connected after tightening with the connection bolt, is additionally provided with one on the fixation bottom plate above the connection bolt
A nut spacing protecting mechanism, the nut spacing protecting mechanism include mounting plate, nut limit clamping sliding panel and two cunnings
Action-oriented item, the mounting plate are fixed on the fixed bottom plate, and two slide-and-guide items are fixed on the installation in parallel
On plate, the nut limit clamping sliding panel is embedded between two slide-and-guide items flexible towards the locking nut direction
The front end of sliding, the nut limit clamping sliding panel is equipped with the limit card slot that can prevent the locking nut rotational release,
The rear side of the nut limit clamping sliding panel is equipped with flexible drive mechanism.
Further, the flexible drive mechanism includes compressed spring, adjusts bolt and spring plate washer, the spring plate washer
It is fixed on the mounting plate, the rear side of the nut limit clamping sliding panel, which is equipped with, screws the threaded connection for adjusting bolt
Hole, the spring plate washer, which is equipped with, can wear the through hole for adjusting bolt, and the compressed spring is set in the nut
It limits on the adjusting bolt between clamping sliding panel and the spring plate washer, the adjusting bolt outside the spring plate washer
On be additionally provided with adjusting nut.
Further, the two sides of the nut limit clamping sliding panel are equipped with strip groove, the side of the slide-and-guide item
Face is equipped with the tightening threaded hole of perforation, and tightening knob is connected in the tightening threaded hole, and the head of the tightening knob compresses
The nut clamping sliding panel can be limited after the strip groove to lock.
Further, nut limit clamping sliding panel when stretching out can locking nut described in clamping, the nut
Limit clamping sliding panel can avoid the lifting plate on main transformer in short transverse when retracting.
Further, the groove width size of the limit card slot is greater than the hexagonal opposite side size of the locking nut, is less than institute
The hexagonal diagonal-size of locking nut is stated, the two sides of the limit card slot are additionally provided with the clamping cushion block of elasticity.
Further, by the adjusting spring washer flexible deformation compensation adjustment, the hexagonal pair of the rear locking nut is screwed
Checkpost is solid in the slot of the limit card slot.
Further, the fixed bottom plate, channel steel and connection bolt welding link together.
The invention has the following beneficial effects:
1, safety belt suspension device of the present invention can lead to reliably using the lifting plate on main transformer top cover as immobilizing foundation
Locking nut is crossed, spring washer and the connection bolt is adjusted and easily fixed bottom plate and plate will be lifted can be fixed on together,
The U-loop at the top of supported rod erecting after fixation guarantees that electric power overhaul operation meets " State Grid Corporation of China's electricity convenient for suspension safety belt
Power safety work order " in regulation about " use of seat belts must high hang be of use ".
2, after the locking nut locking in safety belt suspension device of the present invention, then pass through nut spacing protecting mechanism clamping lock
Tight nut prevents locking nut rotational release, advantageous to guarantee that safety belt suspension device is securely steady during entire upkeep operation
It is fixed, securely and reliably；
3, the modes such as conventional double nut is simultaneously tight, split pin is locking are compared operationally more just using nut spacing protecting mechanism
It is prompt reliable, it is able to solve the artificial possible operation of conventional locking measures problem not in place；And in nut spacing protecting mechanism just
In the subsequent detection device for increasing detection nut and whether loosening, detection device reconnects acoustic-optic alarm, further increases peace
Full protection grade reduces existing risk during manual operation.
4, the nut spacing protecting mechanism in safety belt suspension device of the present invention and flexible drive mechanism structure are reliable and stable,
Convenience is operated with during installation and removal, is not needed using additional installation tool.
In short, safety belt suspension device of the present invention install and use it is convenient, securely and reliably, safety belt suspension device pacify installation and dismantling
Except the time of cost is few, upkeep operation non-cutting time is greatlyd save, improves upkeep operation efficiency.
Detailed description of the invention
Fig. 1 is the schematic front view that safety belt suspension device is used in main transformer of the present invention maintenance；
Fig. 2 is the schematic side view that safety belt suspension device is used in main transformer of the present invention maintenance；
Fig. 3 is the schematic perspective view that safety belt suspension device is used in main transformer of the present invention maintenance；
Fig. 4 is the structural schematic diagram that nut limits clamping sliding panel in the present invention；
Fig. 5 is the structural schematic diagram of slide-and-guide item in the present invention；
Fig. 6 is the structural schematic diagram of spring plate washer in the present invention.
Description of symbols:
1, supported rod erecting；2, U-loop；3, firm banking；31, fixed bottom plate；32, channel steel；33, bolt is connected；34, locking screw
It is female；35, spring washer is adjusted；4, nut spacing protecting mechanism；41, mounting plate；42, nut limits clamping sliding panel；421, limiting card
Slot；422, threaded connection hole；423, strip groove；424, clamping cushion block；43, slide-and-guide item；431, tightening threaded hole；44,
Tightening knob；5, flexible drive mechanism；51, compressed spring；52, bolt is adjusted；53, spring plate washer；531, through hole；54, it adjusts
Save nut；6, plate is lifted.
Specific embodiment
The present invention is described in further details below in conjunction with the drawings and specific embodiments:
Referring to shown in Fig. 1-6, a kind of main transformer maintenance safety belt suspension device, including supported rod erecting 1 and be mounted on described
The U-loop 2 at 1 top of supported rod erecting, the bottom of the supported rod erecting 1 are fixed on firm banking 3 by a L-shaped fixed bottom plate 31
On, the side of fixed 31 vertical portion of bottom plate is equipped with the channel steel 32 of fixed 1 lower end of supported rod erecting, the fixed bottom plate 31
The other side of vertical portion is equipped with the connection bolt 33 that can be matched with the hole for hoist in the lifting plate 6 on main transformer, described
Fixed bottom plate 31 and the lifting plate 6 are fixed after being tightened by locking nut 34, adjusting spring washer 35 and the connection bolt 33 to be connected
It connects, a nut spacing protecting mechanism 4 is additionally provided on the fixation bottom plate 31 of 33 top of connection bolt, the nut limit is protected
Shield mechanism 4 includes that mounting plate 41, nut limit clamping sliding panel 42 and two slide-and-guide items 43, the mounting plate 41 are fixed on
On the fixed bottom plate 31, two slide-and-guide items 43 are fixed in parallel on the mounting plate 41, the nut limiting card
Tight sliding panel 42 is embedded between two slide-and-guide items 43 towards the 34 direction telescopic slide of locking nut, the nut
The front end of limit clamping sliding panel 42 is equipped with the limit card slot 421 that can prevent 34 rotational release of locking nut, the spiral shell
The rear side of mother's limit clamping sliding panel 42 is equipped with flexible drive mechanism 5.The flexible drive mechanism 5 includes compressed spring 51, adjusts
Section bolt 52 and spring plate washer 53, the spring plate washer 53 are fixed on the mounting plate 41, the nut limit clamping sliding
The rear side of plate 42, which is equipped with, screws the threaded connection hole 422 for adjusting bolt 52, and the spring plate washer 53 is equipped with and can wear
The through hole 531 for adjusting bolt 52, the compressed spring 51 are set in nut limit clamping sliding panel 42 and described
On the adjusting bolt 52 between spring plate washer 53, adjusting is additionally provided on the adjusting bolt 52 outside the spring plate washer 53
Nut 54.It is capable of the cunning that adjusting nut limits clamping sliding panel 42 by position of the rotating adjusting nut 54 on adjusting bolt 52
Dynamic stroke.
Gas spring can also be used or the extension spring reversely installed etc. in compressed spring 51 in the flexible drive mechanism 5
Substitution.
Referring to fig. 4 and shown in Fig. 5, the two sides of the nut limit clamping sliding panel 42 are equipped with strip groove 423, the cunning
The side of action-oriented item 43 is equipped with the tightening threaded hole 431 of perforation, is connected with tightening knob 44 in the tightening threaded hole 431,
The head of the tightening knob 44 can lock nut limit clamping sliding panel 42 after compressing the strip groove 423.
Nut limit clamping sliding panel 42 when stretching out can locking nut 34 described in clamping, the nut limiting card
Tight sliding panel 42 can avoid the lifting plate 6 on main transformer in short transverse when retracting.In a pre-installation, it can use tightening
Knob 44 locks nut limit clamping sliding panel 42 in retracted mode, grasps in favor of screwing locking nut 34 when installation
Make, locking nut 34 unclamps again tightening knob 44 after locking, and pops up locking described in nut limit 42 clamping of clamping sliding panel
Nut 34, locking tightening knob 44 after clamping again prevents the nut limit clamping sliding panel 42 from loosening.
The groove width size of the limit card slot 421 is greater than the hexagonal opposite side size of the locking nut 34, is less than the lock
The hexagonal diagonal-size of tight nut 34, the two sides of the limit card slot 421 are additionally provided with the clamping cushion block 424 of elasticity.Due to lifting
The thickness of plate 6 is substantially known, as long as choosing adjusting spring washer 35 up to specification in advance, it will be able to pass through the adjusting bullet
35 flexible deformation compensation adjustments are padded, the hexagonal opposite side for guaranteeing to reach the locking nut 34 after the coupling mechanism force of requirement is fixed in institute
In the slot for stating limit card slot 421；As long as the clamping cushion block 424 of side blocks locking in the limit card slot 421 in actual use
Nut 34 does not require the hexagonal opposite side of locking nut 34 and the groove width of limit card slot 421 completely the same, it will be able to prevent from locking very well
34 rotational release of tight nut；Polyurethane material production can be used in clamping cushion block 424.
The fixed bottom plate 31, channel steel 32 and connection bolt 33 are welded together, and form a stable fixation base
Plinth.Connection bolt 33 uses strength grade for 10.9 or more high-strength bolt, generallys use the bolt of M36 specification.
As needed, it can also increase by one layer of rubber pad in fixed 31 bottom surface of bottom plate, improve fixed bottom plate 31 and main transformer top cover
Between stiction, while main transformer top cover surface being protected to be not under compression destruction.
The supported rod erecting 1 is made of light-weight high-strength material, as glass reinforced plastic epoxy resin square tube or carbon fiber are compound
Pipe etc..The U-loop 2 at 1 top of supported rod erecting can be freely rotated, and the hook of convenient and safe band is hung to be used on it.
As needed, locking nut 34 described in increase checking whether can also be loosened in the nut spacing protecting mechanism 4
Detection device, detection device reconnect acoustic-optic alarm, sound and light alarm signal can be issued when locking nut 34 loosens,
Operating personnel is reminded to take care.
When the present invention installs, fixed bottom plate 31 is placed on main transformer top cover, by the connection alignment lifting plate 6 of bolt 33
In hole for hoist insertion, be then charged into and adjust spring washer 35, then screw on locking nut 34, will fixed bottom plate 31 and lifting plate after tightening
6 are fixed together, and after locking nut 34 is tightened, the tightening knob 44 in nut spacing protecting mechanism 4 are unclamped again, by flexible drive
Compressed spring 51 in mechanism 5 drives the nut limit clamping sliding panel 42 to pop up, as described in 421 clamping of limit card slot
Locking nut 34, then it is locking with 44 locking nut of tightening knob limit clamping sliding panel 42, locking nut rotational release is prevented, is opened
When opening up upkeep operation, as long as by being used safely in the U-loop 2 for being hung on 1 top of supported rod erecting of safety belt, energy
Enough ensure safety belt suspension device firm stable, securely and reliably.
After the completion of operation, nut limit clamping sliding panel 42 is back compressed again after unclamping tightening knob 44, limits nut
Position clamping sliding panel 42 leaves locking nut 34, unclamps again locking nut 34, can complete to dismantle.
The foregoing is merely a specific embodiment of the invention, are not intended to limit the scope of the invention, all benefits
The equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of main transformer maintenance safety belt suspension device, it is characterised in that: including supported rod erecting (1) and be mounted on described
The bottom of U-loop (2) at the top of supported rod erecting (1), the supported rod erecting (1) is fixed on by a L-shaped fixed bottom plate (31)
On firm banking (3), the side of fixed bottom plate (31) vertical portion is equipped with the channel steel of fixed supported rod erecting (1) lower end
(32), the other side of fixed bottom plate (31) vertical portion be equipped with can be with the hole for hoist in the lifting plate (6) on main transformer
The connection bolt (33) to match, the fixed bottom plate (31) and the lifting plate (6) pass through locking nut (34), adjusting spring washer
(35) it is fixedly connected after being tightened with the connection bolt (33), is also set on the fixation bottom plate (31) above connection bolt (33)
There is a nut spacing protecting mechanism (4), the nut spacing protecting mechanism (4) includes mounting plate (41), nut limit clamping
Sliding panel (42) and two slide-and-guide items (43), the mounting plate (41) are fixed on the fixed bottom plate (31), two institutes
It states slide-and-guide item (43) to be fixed in parallel on the mounting plate (41), nut limit clamping sliding panel (42) is embedded in two
Towards the locking nut (34) direction telescopic slide between a slide-and-guide item (43), the nut limits clamping sliding panel
(42) front end is equipped with the limit card slot (421) that can prevent the locking nut (34) rotational release, the nut limiting card
The rear side of tight sliding panel (42) is equipped with flexible drive mechanism (5).
2. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: the elasticity
Driving mechanism (5) includes that compressed spring (51), adjusting bolt (52) and spring plate washer (53), the spring plate washer (53) are fixed on
On the mounting plate (41), the rear side of nut limit clamping sliding panel (42), which is equipped with, screws the spiral shell for adjusting bolt (52)
Line connecting hole (422), the spring plate washer (53), which is equipped with, can wear the through hole (531) for adjusting bolt (52), institute
State the tune that compressed spring (51) is set between nut limit clamping sliding panel (42) and the spring plate washer (53)
It saves on bolt (52), is additionally provided with adjusting nut (54) on the adjusting bolt (52) of the spring plate washer (53) outside.
3. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: the nut
The two sides for limiting clamping sliding panel (42) are equipped with strip groove (423), and the side of the slide-and-guide item (43) is equipped with perforation
Tightening threaded hole (431) is connected with tightening knob (44) in the tightening threaded hole (431), the head of the tightening knob (44)
It portion can be locked by nut limit clamping sliding panel (42) after compressing the strip groove (423).
4. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: the nut
Limit clamping sliding panel (42) when stretching out can locking nut (34) described in clamping, the nut limits clamping sliding panel (42)
When retracting the lifting plate (6) on main transformer can be avoided in short transverse.
5. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: the limit
The groove width size of card slot (421) is greater than the hexagonal opposite side size of the locking nut (34), is less than the locking nut (34)
Hexagonal diagonal-size, the two sides of the limit card slot (421) are additionally provided with the clamping cushion block (424) of elasticity.
6. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: by described
Spring washer (35) flexible deformation compensation adjustment is adjusted, the hexagonal opposite side for screwing the rear locking nut (34) is fixed in the limiting card
In the slot of slot (421).
7. a kind of main transformer maintenance safety belt suspension device according to claim 1, it is characterised in that: the fixation
Bottom plate (31), channel steel (32) and connection bolt (33) are welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232350.3A CN109908504A (en) | 2019-03-26 | 2019-03-26 | Safety belt suspension device is used in a kind of maintenance of main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232350.3A CN109908504A (en) | 2019-03-26 | 2019-03-26 | Safety belt suspension device is used in a kind of maintenance of main transformer |
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| Publication Number | Publication Date |
|---|---|
| CN109908504A true CN109908504A (en) | 2019-06-21 |
Family
ID=66966864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232350.3A Pending CN109908504A (en) | 2019-03-26 | 2019-03-26 | Safety belt suspension device is used in a kind of maintenance of main transformer |
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| CN (1) | CN109908504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604878A (en) * | 2019-09-09 | 2019-12-24 | 国网山东省电力公司曲阜市供电公司 | Safety belt hanger suitable for multi-model architecture |
| CN116890782A (en) * | 2023-09-11 | 2023-10-17 | 齐鲁师范学院 | Safety belt monitoring system based on pressure sensing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604878A (en) * | 2019-09-09 | 2019-12-24 | 国网山东省电力公司曲阜市供电公司 | Safety belt hanger suitable for multi-model architecture |
| CN116890782A (en) * | 2023-09-11 | 2023-10-17 | 齐鲁师范学院 | Safety belt monitoring system based on pressure sensing |
| CN116890782B (en) * | 2023-09-11 | 2023-12-15 | 齐鲁师范学院 | Safety belt monitoring system based on pressure sensing |
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Application publication date: 20190621 |