CN108425539A - Clamping device for cross arm of tower - Google Patents
Clamping device for cross arm of tower Download PDFInfo
- Publication number
- CN108425539A CN108425539A CN201810436978.0A CN201810436978A CN108425539A CN 108425539 A CN108425539 A CN 108425539A CN 201810436978 A CN201810436978 A CN 201810436978A CN 108425539 A CN108425539 A CN 108425539A
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- Prior art keywords
- regulating tank
- square
- bolt
- clamping device
- cross arm
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 160
- 230000007246 mechanism Effects 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 26
- 229910052751 metal Inorganic materials 0.000 abstract description 26
- 238000009434 installation Methods 0.000 abstract description 25
- 229910052573 porcelain Inorganic materials 0.000 abstract description 13
- 230000001737 promoting effect Effects 0.000 abstract description 5
- 238000003916 acid precipitation Methods 0.000 description 14
- 238000009413 insulation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses the clamping device for cross arm of tower, including the first L-square and the second L-square, the first L-square and the second L-square are connected through the hinge；Eyelet, the first regulating tank are provided on the horizontal segment of first L-square, the second regulating tank is provided in the vertical section of first L-square, it is provided with lower eyelet, third regulating tank on the horizontal segment of second L-square, the 4th regulating tank is provided in the vertical section of the second L-square；Further include the first bolt, the second bolt and the nut to match with the first bolt, the second bolt, the size of first bolt and the size of the first regulating tank, third regulating tank match, and the size of the second bolt and the size of the second regulating tank, the 4th regulating tank match.The present invention is not necessarily to the trepanning in metal cross arm, easy to operate, time-consuming short, and the installation effectiveness of porcelain pole arm has been significantly increased, meanwhile, the present invention can be suitable for various sizes of cross-arm, have widely promotional value.
Description
Technical field
The present invention relates to controller switching equipment fields, and in particular to is used for the clamping device of cross arm of tower.
Background technology
Power distribution network refers to receiving electric energy from power transmission network or regional power plant, is distributed by distribution facility or is divided step by step by voltage
The power network of dispensing all types of user, be by overhead transmission line, cable, shaft tower, distribution transformer, disconnecting switch, reactive-load compensator and
Some affiliated facilities composition, the network of distribution electric energy effect is played in power network.
Power distribution network is roughly divided into high voltage distribution network, medium voltage distribution network and low-voltage network three classes by voltage class.Wherein,
10kV power distribution networks belong to medium voltage distribution network.
Shaft tower plays a part of supporting power transmission line, is important one of the equipment of power distribution network.Drainage thread is overlapped on shaft tower
In the process, it is work common in distribution uninterrupted operation with electrical bonding drainage thread, it is reliable for the power supply for improving power department
Property has particularly important meaning.
In the prior art, when needing to install porcelain pole arm in the metal cross arm of shaft tower, due to not pre- in metal cross arm
Equipped with eyelet, staff scene is needed to open up the eyelet for installing porcelain pole arm on cross bar, however, being opened in metal cross arm
If eyelet, and debugging is carried out to the eyelet size opened up and needs to expend the more time and work difficulty is big, porcelain pole arm
Installation speed is slow, the installation effectiveness of staff is low；Meanwhile prolonged altitude hot-line operation so that the safety of staff
There are risks.
Invention content
The purpose of the present invention is to provide the clamping devices for cross arm of tower, are needed with solving staff in the prior art
To open up eyelet on cross bar porcelain pole arm installation speed caused by porcelain pole arm is slow, staff's installation effectiveness is low to install and
The problem of security presence risk of staff.
The present invention is achieved through the following technical solutions：
For the clamping device of cross arm of tower, including the first L-square and the second L-square, first L-square and
Two L-squares are connected through the hinge；Eyelet, the first regulating tank are provided on the horizontal segment of first L-square, the first L-square
It is provided with the second regulating tank in vertical section, lower eyelet, third regulating tank, the second right angle are provided on the horizontal segment of the second L-square
The 4th regulating tank is provided in the vertical section of plate, wherein the first regulating tank, the second regulating tank, third regulating tank, the 4th regulating tank
Position be configured as, when the central axes of upper eyelet are conllinear with the lower central axes of eyelet, first regulating tank and third tune
The alignment of section slot, second regulating tank are aligned with the 4th regulating tank；Further include the first bolt, the second bolt and with the first spiral shell
The nut that bolt, the second bolt match, the size phase of the size and the first regulating tank, third regulating tank of first bolt
Match, the size and the size of the second regulating tank, the 4th regulating tank of second bolt match.
Currently, during band electrical bonding drainage thread, since cross-arm size is different, the installation site requirement to porcelain pole arm
The many reasons such as difference will not usually be preset with the eyelet for installing porcelain pole arm on cross-arm.Therefore, staff usually requires
Scene is widened the view hole in metal cross arm, and operation in this way can bring problems.First, eyelet is opened up to need to expend certain time,
This time is usually longer, since it is desired that being calculated position of opening, whether the central axes of eyelet tilt in Tapping procedures
Deng, meanwhile, staff needs to climb up shaft tower with more equipment, and operation is complex；Secondly, after the completion of trepanning, to eyelet
The sequence of operations such as the debugging of size equally can extend working hour；Again, due to being the livewire work on shaft tower, complicated work
Flow makes the security risk of staff larger.To sum up, scene opens up eyelet not only time-consuming, complex steps cause installation to be imitated
Rate is low, meanwhile, the security presence risk of staff, this mode does not have promotional value.
To solve the above-mentioned problems, the present apparatus provides a kind of clamping device for cross arm of tower, which is used for
It is clamped in metal cross arm, porcelain pole arm can be installed using its preset eyelet, installation steps are simple, it is short to take, and are conducive to carry
The working efficiency of high staff, it is ensured that the safe operation of staff.
Specifically, the present apparatus includes the first L-square and the second L-square.First L-square, the second L-square wrap
Include horizontal segment and vertical section, wherein an end face of horizontal segment and an end face of vertical section connect, horizontal segment and vertical section phase
It is mutually vertical.Why use the structure of L-square be because metal cross arm for angle bar, therefore, when in use, the first L-square with
The horizontal segment of the horizontal segment clamping metal cross arm of second L-square, and the vertical section of the first L-square and the second L-square clamping gold
The vertical section for belonging to cross-arm, it will be appreciated by those skilled in the art that for cleat angle, the size of the second L-square should be less than the
The size of one L-square is to adapt to the thickness of angle steel itself.First L-square and the second L-square are connected through the hinge, and hinge connects
It connects and the second L-square is overturn relative to the first L-square, hinge connection can there are many embodiments, such as pass through
It is hinged that loose-leaf is set, or pin hole is set on the first L-square, the second L-square, passes through pin hole to complete first using axis pin straight
Gusset and the second L-square are hinged, or by the way that pin hole is arranged on the first L-square, and pin is arranged on the second L-square
Axis constitutes hinged.Since this connection type sheet of hinge connection is as the prior art, details are not described herein not to specifically cutting with scissors
Chain embodiment is defined.
It is provided with upper eyelet, the first regulating tank on the horizontal segment of the first L-square, is set in the vertical section of the first L-square
It is equipped with the second regulating tank, lower eyelet, third regulating tank, the vertical section of the second L-square are provided on the horizontal segment of the second L-square
On be provided with the 4th regulating tank.Referring herein to upper eyelet, the upper and lower of lower eyelet be the first L-square position because when in use
Gap between the top of the second L-square, the first L-square and the second L-square is for being clamped metal cross arm, therefore, in order to
It is easy to understand, the eyelet on the first L-square is defined as upper eyelet, the eyelet on the second L-square is defined as lower eyelet, preferably
Ground, upper eyelet are identical with lower eyelet diameter.The position quilt of first regulating tank, the second regulating tank, third regulating tank, the 4th regulating tank
It is configured to, when the central axes of upper eyelet are conllinear with the lower central axes of eyelet, first regulating tank is aligned with third regulating tank,
Second regulating tank is aligned with the 4th regulating tank.Referring herein to term alignment refer to, when the second L-square is overturn and is bonded
When in metal cross arm, the central axes of upper eyelet and lower eyelet are aligned, to form the first L-square upper surface of connection and second directly
The through-hole of gusset lower surface, for installing porcelain pole arm, at the same time the first regulating tank and the alignment of third regulating tank, that is, form connection
The Level tune slot of first L-square upper surface and the second L-square lower surface, the Level tune slot are used to install the first bolt,
And the second regulating tank and the alignment of the 4th regulating tank, formation the first L-square outer surface of connection and the second L-square inner surface is vertical
Regulating tank, the vertical regulating tank is for installing the second bolt.Pass through the tight of the first bolt, the second bolt and its nut that matches
Gu effect enables to the first L-square and the second L-square to be held fixedly the cross-arm positioned between the two, meanwhile, the first spiral shell
Bolt can limit the movement of the clamping device in the horizontal direction, and the second bolt can limit the shifting of clamping device vertically
It is dynamic, further increase stability.The size of first bolt and the size of the first regulating tank, third regulating tank match, the first spiral shell
Bolt can pass through the first regulating tank, third regulating tank, but the first bolt should possess enough diameters with to clamping device simultaneously
Form the limit of horizontal direction；Similarly, the size of the second bolt and the size of the second regulating tank, the 4th regulating tank, which match, refers to
Second bolt can pass through the second regulating tank, the 4th regulating tank, but the second bolt should possess enough diameters with to folder simultaneously
Hold the limit that mechanism forms vertical direction.Preferably, the diameter of the first bolt is slightly less than the width of the first regulating tank, third regulating tank
Degree, the diameter of the second bolt are slightly less than the width of the second regulating tank.Preferably, the first regulating tank, the second regulating tank, third are adjusted
Slot, the 4th regulating tank are bar-shaped trough, that is, its length is more than its width, so that clamping device can adapt in different sizes
Metal cross arm can adjust the first bolt in the first regulating tank and third tune for example, when the horizontal segment of metal cross arm is longer
The position in slot being saved to form stable clamping to metal cross arm, in another example, when the vertical section of metal cross arm is longer, can adjust
Save position of second bolt in the second regulating tank and the 4th regulating tank.Pass through each regulating tank so that the present apparatus can be applied to
A variety of various sizes of cross-arms, substantially increase the application range of the present apparatus so that the present apparatus has good universality.
In use, worker dresses good a full set of insulating protection apparatus, into aerial lift device with insulated arm operation bucket, then pass through insulation arm
Adjustment slowly enter job position, insulation masking then is carried out to the electrical body and grounding body that may around touch.It has covered
Insulation masking in previously selected installation site is removed, the first L-square is positioned on the cross-arm of installation site by Cheng Hou,
Adjust the position of the first L-square so that the first L-square right angle portions, i.e., the coupling part of horizontal segment and vertical section with it is horizontal
The right angle portions of load fit closely, and overturn the second L-square towards the direction of cross-arm later so that and the second L-square is contacted with cross-arm,
First L-square and the second L-square, which constitute metal cross arm, to be clamped.Later, by first the first regulating tank of screw bolt passes and
Third regulating tank, meanwhile, the side of the first bolt is close to an end face of metal cross arm and tightens the first bolt, nut；Later
By second the second regulating tank of screw bolt passes and the 4th regulating tank, while the another of metal cross arm is close in the side of the second bolt
Simultaneously tighten the second bolt, nut in a end face.
By above structure, staff carry out electrification make contact operation when, be not necessarily to the trepanning in metal cross arm, it is only necessary to
Metal cross arm is simply clamped, tightens the installation that clamping device can be completed in bolt, and the eyelet on clamping device is to preset
, size is adjusted without scene, the clamping device of different size eyelets, operation letter can be used according to different needs
Just, time-consuming short, the installation effectiveness of porcelain pole arm is significantly increased, simultaneously because avoiding staff's wearing insulation clothing for a long time
Caused defatigation, thus reduce the operational risk of operating personnel；In addition, by the first regulating tank, the second regulating tank,
Third regulating tank, the 4th regulating tank so that the present apparatus can be suitable for various sizes of metal cross arm, substantially increase the present apparatus
Application range, there is widely promotional value.
As the preferred articulated manner of the first L-square and the second L-square of the invention, the level of first L-square
It is provided with rotary gemel on the end face of section, the end face of the horizontal segment of second L-square is connect with rotary gemel.That is, first is straight
One end face of the horizontal segment of gusset is connect with vertical section, and rotary gemel is arranged on another end face, should be connect with rotary gemel
End face be the first L-square hinged end, an end face of the horizontal segment of the second L-square connect with vertical section, another end
Face is connect with rotary gemel, and the end face that should be connect with rotary gemel is the hinged end of the second L-square.By above structure, first
One end face of L-square and an end face of the second L-square are hinged, the specific set-up mode of rotary gemel can be it is a variety of,
Such as pin hole is set on the horizontal segment of the first L-square, axis pin is set on the horizontal segment of the second L-square, pin hole is made to pass through
Axis pin is hinged, and can also be that axis pin is arranged on the first L-square, pin hole is arranged on the second L-square, can also be first straight
Pin hole outstanding is respectively provided on gusset and on the second L-square, the pin hole of the two to utilizing axis pin that pin hole is passed through to realize hinge thereafter
It connects.By above-mentioned setting, the hinged end of the first L-square is connected with the hinged end of the second L-square by rotary gemel.It is preferred that
Ground, region of the upper eyelet between the first regulating tank and the hinged end of the first L-square, lower eyelet be located at the second regulating tank and
Region between the hinged end of second L-square.
Further, the length of the horizontal segment of first L-square is more than the length of the vertical section of the first L-square, institute
State the horizontal segment of the second L-square length be more than the second L-square vertical section length.Preferably, the water of the first L-square
The length of flat section is 1.5-1.8 times of the length of the first L-square vertical section.
Further, the preferred embodiment as each regulating tank size, first regulating tank, the second regulating tank, third tune
It is identical to save slot, the size of the 4th regulating tank.Size herein is identical refer to four regulating tanks flute length is mutually the same, groove width each other
It is identical.And the length of first regulating tank is 2~5 times of the width of the first regulating tank.If the length of regulating tank is long, it is easy
The poor mechanical property for leading to the first L-square, the second L-square, if adjust slot length it is too short if clamping device the scope of application compared with
It is narrow, in time course, under the premise of ensuring that the first L-square, the second L-square have enough mechanical properties, it will adjust
The length of slot is set as adjusting 2~5 times of well width.
As the preferred embodiment of the present invention, the upper surface of the horizontal segment of the first L-square is provided with the first spiral shell
Bolt protection mechanism, the first bolt protection mechanism includes track, and there are two shells for sliding setting on the track, when two shells
When body contacts with each other, the inside of two shells forms protection chamber, and the protection chamber covers the first regulating tank；Protection intracavitary is provided with
Two block baffles, spring is provided on the baffle, and the spring connects shell.
It finds in actual application, in subregion, due to environmental factor such as acid rain, process is used in long-time
In, acid rain continues the thread contact with the first bolt, and since the first bolt is set on horizontal segment, acid rain can not flow, only
It can slowly volatilize, therefore when overhauling or replacing clamping device, it can be seen that the first bolt gets rusty easily and stuck in Level tune
In slot, causes great trouble for for dismounting, the service work of staff, not only extend the activity duration, and in tangible nothing
Method can only damage clamping device in the case of removing, and cause the raising of use cost and the increase of task difficulty.
To solve the above-mentioned problems, the present invention is protected in the upper surface of the horizontal segment of the first L-square provided with the first bolt
Mechanism, upper surface described herein be in order to make it easy to understand, when clamping device be mounted on metal cross arm on when, the first L-square
Horizontal segment is placed on the horizontal segment of metal cross arm, and the lower surface of the first L-square is contacted with metal cross arm, is arranged on upper surface
It is useful for the first bolt protection mechanism of the first bolt of protection.
The first bolt protection mechanism includes track, it is preferable that and track has two, and two tracks are mutually parallel, and two
Root track is symmetrical about the central axes at the both ends of the first regulating tank of connection of the first regulating tank.There are two shells for sliding setting on track
Body, i.e. two shells can be along track is opposite or dorsal glide, it is preferable that the section of track can be I-shaped, avoid
Staff is at work since misoperation causes shell to derail from track.Preferably, alkyd magnetic can be coated on track
Paint, to reduce corrosion of the acid rain to fractional orbital, since raceway surface is relative to the first bolt, the screw thread knot of the second bolt surface
Structure is simpler, therefore relative to the remaining acid rain for being not easy to remove in the first bolt and the second bolt thread, raceway surface
Acid rain volatilizees more easily by the air of surface flow and removal, therefore to the acid rain preventing measure of track only by coating similar alcohol
The a degree of protection of especially carry out of sour enamel paint.Enclosure interior is hollow, when two shells contact with each other two
The inside of shell forms the protection chamber of top seal, which covers the first regulating tank, avoids rainwater and enters in protection chamber
It is contacted with the first regulating tank, third regulating tank, the first bolt and nut, to effectively prevent acid rain in above-mentioned protection chamber
Parts cause to corrode.Preferably, the upper surface of shell tilts, and inclined direction is residing for one end of another close shell
Height passes through the setting so that the upper surface of shell will not accumulate rain higher than the height residing for one end far from another shell
Water, rainwater will not enter to the protection chamber of enclosure interior by the gap between two shells.Protection intracavitary is additionally provided with two pieces
Baffle, baffle are corresponded with shell, it is preferable that two baffles are located at the both ends of the first regulating tank.It is provided on baffle
Spring, spring one end are fixed on baffle, and the other end is fixed on shell, and spring is in tensional state, i.e. spring always always
Elastic force is provided so that shell is moved towards corresponding baffle.Preferably, it is provided with gasket between shell, further to disappear
Except the gap combined between two shells, rainwater is avoided to fall into protection intracavitary portion from gap.
Staff first pushes two shells when dismantling the first bolt to open protection in the direction away from each other
Chamber, and expose the first bolt, unscrew the dismounting that the first bolt can be completed in the first bolt later, when installing the first bolt, together
Two shells are pushed to open protection chamber, expose the first regulating tank, tighten the first spiral shell later by sample in the direction away from each other
Bolt.After the first bolt of dismounting or installation, shell is decontroled, two shells slide in opposition along track under the action of the spring, final tight
Thickly fit together.In working condition, two shells fit closely together always, avoid bad weather such as acid rain,
The first bolt of hail pair impacts, and substantially increases the service life of the first bolt, blocks after avoiding the first bolt from being corroded
The case where can not being taken out in Level tune slot, reduces making for clamping device convenient for staff's dismounting, maintenance clamping device
With cost and upkeep operation difficulty.Meanwhile baffle, spring and fractional orbital are respectively positioned on protection intracavitary, are also avoided that acid rain to this
The corrosion of parts thereof.
As a kind of preferred embodiment of the first bolt protection mechanism, placement is provided on the side of the hull outside
Platform is provided with through-hole on the mounting table, in the through-hole sliding be provided with positioning pin；The horizontal segment of first L-square
Limit hole is provided on upper surface, the size of the limit hole and the size of positioning pin match.Said mechanism working
When personnel push two shells aside, when positioning pin slides into limit hole, the bottom end energy of the positioning pin on the mounting table of two shells
It is enough to slide under gravity into limit hole so that shell will not generate movement in orbit under the action of elastic force,
So that when staff makees the first bolt of installation or removal, without strutting two shells with hand always, further simplify
Operating procedure, the safety for improving work efficiency and working.
Further, it is provided with slide block on the shell.Since staff carries insulating glove in operation, because
This, slide block is conducive to staff and pushes two shells open, exposes the first bolt or the first regulating tank, further facilitates work people
Member's the first bolt of installation or removal.
As another preferred embodiment of the present invention, it is arranged on the outer surface of the vertical section of first L-square
There is the second bolt protection mechanism, the second bolt protection mechanism includes the fixed plate being located above the second regulating tank, described solid
Fixed board upper hinge is connected with returning face plate.The returning face plate is L-shaped structure, is opened on the outer surface of the vertical section of first L-square
Equipped with the jack above fixed plate, the jack is used to place the movable end of returning face plate.Based on design the first bolt protection
The identical reason of mechanism, the present invention are designed with the second bolt protection mechanism.But the case where different from the first bolt, due to vertical section
It is to be in vertical state at work, therefore acid rain can gradually glide and eventually disengage from vertical section under gravity, so,
It only needs to reduce the chance that the second bolt is contacted with acid rain.In order to reduce the cost and weight of clamping device entirety, the second spiral shell
Bolt protection mechanism includes the fixed plate being fixed on the second L-square vertical section outer wall, which is located on the second regulating tank
Side, it is preferable that fixed plate is parallel to horizontal plane, and fixed plate itself is made to have certain effect of keeping off the rain.It is cut with scissors on the fixed plate other end
Chain link has L-shaped returning face plate, which can be previously mentioned a variety of situations, and details are not described herein.It is logical
Hinge connection is crossed, returning face plate one end can upward or downward be overturn around fixed plate, under rain-proof state, the vertical section of returning face plate
Inner wall and fixed plate lower surface constitute protection chamber to protect the second bolt and third regulating tank, under inspecting state, work
Personnel can be inserted in around hinged end rotary turning plate, and by the movable end of returning face plate in jack, complete installation or removal second
After bolt, returning face plate is put down, it is made to protect the second bolt and third regulating tank.By above structure, second is improved
The service life of bolt is stuck in the case where can not being taken out in vertical regulating tank, further just after avoiding the second bolt from being corroded
In staff's dismounting, maintenance clamping device, the use cost and upkeep operation difficulty of clamping device further reduced.
Compared with prior art, the present invention having the following advantages and advantages：
1, the invention enables staff carry out electrification make contact operation when, be not necessarily to the trepanning in metal cross arm, it is only necessary to
Metal cross arm is simply clamped, tightens the installation that clamping device can be completed in bolt, and the eyelet on clamping device is to preset
, size is adjusted without scene, the clamping device of different size eyelets, operation letter can be used according to different needs
Just, time-consuming short, the installation effectiveness of porcelain pole arm is significantly increased, simultaneously because avoiding staff's wearing insulation clothing for a long time
Caused defatigation, thus reduce the operational risk of operating personnel；In addition, by the first regulating tank, the second regulating tank,
Third regulating tank, the 4th regulating tank so that the present apparatus can be suitable for various sizes of metal cross arm, substantially increase the present apparatus
Application range, there is widely promotional value；
2, the present invention is by the first bolt protection mechanism, and in working condition, two shells fit closely together always,
It avoids bad weather such as acid rain, the first bolt of hail pair from impacting, substantially increases the service life of the first bolt, avoid
First bolt is stuck in the case where can not being taken out in Level tune slot after being corroded, convenient for staff's dismounting, maintenance clamping machine
Structure reduces the use cost and upkeep operation difficulty of clamping device；
3, the present invention by the second bolt protection mechanism, improve the service life of the second bolt, avoid the second bolt by
It is stuck in the case where can not being taken out in vertical regulating tank after to corrosion, is further convenient for staff's dismounting, maintenance clamping device, into
One step reduces the use cost and upkeep operation difficulty of clamping device.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the scheme of installation under specific embodiment of the invention working condition；
Fig. 3 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 4 is the vertical view of the first bolt protection mechanism in the specific embodiment of the invention.
Label and corresponding parts title in attached drawing：
The first L-squares of 1-, the second L-squares of 2-, 3- rotary gemels, the first regulating tanks of 4-, the second regulating tanks of 5-, 6- thirds
Regulating tank, the 4th regulating tanks of 7-, the upper eyelets of 8-, eyelet under 9-, 10- cross-arms, the first bolts of 11-, the second bolts of 12-, 13- shells
Body, 14- slide blocks, 15- positioning pins, 16- mounting tables, 17- baffles, 18- springs, 19- limit holes, 20- fixed plates, 21- overturnings
Plate, 22- jacks, 23- tracks.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
Clamping device for cross arm of tower as depicted in figs. 1 and 2, including the first L-square 1 and the second L-square 2,
First L-square, 1 and second L-square 2 is connected through the hinge；Be provided on the horizontal segment of first L-square 1 eyelet 8,
First regulating tank 4 is provided with the second regulating tank 5 in the vertical section of first L-square 1, is arranged on the horizontal segment of the second L-square 2
There are lower eyelet 9, third regulating tank 6, is provided with the 4th regulating tank 7 in the vertical section of the second L-square 2, wherein the first regulating tank
4, the second regulating tank 5, third regulating tank 6, the 4th regulating tank 7 position be configured as, when the central axes of upper eyelet 8 and lower eyelet
When 9 central axes are conllinear, first regulating tank 4 is aligned with third regulating tank 6, second regulating tank, 5 and the 4th regulating tank 7
Alignment；Further include the first bolt 11, the second bolt 12 and the nut to match with the first bolt 11, the second bolt 12, it is described
The size of first bolt 11 and the size of the first regulating tank 4, third regulating tank 6 match, the size of second bolt 12 with
Second regulating tank 5, the 4th regulating tank 7 size match；It is provided with rotation on the end face of the horizontal segment of first L-square 1
The end face of hinge 3, the horizontal segment of second L-square 2 is connect with rotary gemel 3；The horizontal segment of first L-square 1
Length is more than the length of the vertical section of the first L-square 1, and the length of the horizontal segment of second L-square 2 is more than the second L-square
The length of 2 vertical section；The size phase of first regulating tank 4, the second regulating tank 5, third regulating tank 6, the 4th regulating tank 7
Together；The length of first regulating tank 4 is 2~5 times of the width of the first regulating tank 4.
As currently preferred size, the thickness of the first L-square 1 and the second L-square 2 is 4mm, the first regulating tank 4,
Second regulating tank 5, third regulating tank 6, the 4th regulating tank 7 flute length be 60mm, the horizontal section length of the first L-square 1 is
The vertical segment length of 200mm, the first L-square 1 are 120mm, and the width of the first L-square 1 is 60mm, upper eyelet 8 and lower eyelet 9
A diameter of 16mm.
In use, worker dresses good a full set of insulating protection apparatus, into aerial lift device with insulated arm operation bucket, then pass through insulation arm
Adjustment slowly enter job position, insulation masking then is carried out to the electrical body and grounding body that may around touch.It has covered
Insulation masking in previously selected installation site is removed, the first L-square 1 is positioned over to the cross-arm 10 of installation site by Cheng Hou
On, the position of the first L-square 1 is adjusted so that the right angle portions of the first L-square 1 are closely pasted with the right angle portions of cross-arm 10
It closes, overturns the second L-square 2 towards the direction of cross-arm 10 later so that the second L-square 2 is contacted with cross-arm 10, the first L-square 1
Cross-arm 10 is constituted with the second L-square 2 and is clamped.Later, the first bolt 11 is sequentially passed through into the first regulating tank 4 and third is adjusted
Slot 6, meanwhile, the side of the first bolt 11 is close to an end face of cross-arm 10 and tightens the first bolt 11, nut；Later by second
Bolt 12 sequentially passes through the second regulating tank 5 and the 4th regulating tank 7, while another of cross-arm 10 is close in the side of the second bolt 12
Simultaneously tighten the second bolt 12, nut in end face.
By above structure, staff carry out electrification make contact operation when, be not necessarily to the trepanning on cross-arm 10, it is only necessary to letter
Cross-arm 10 singly is clamped, tightens the installation that clamping device can be completed in bolt, and the eyelet on clamping device is preset, nothing
It needs scene to be adjusted size, the clamping device of different size eyelets, easy to operate, consumption can be used according to different needs
When it is short, the installation effectiveness of porcelain pole arm has been significantly increased, simultaneously because avoid staff for a long time wearing insulation clothing made
At defatigation, thus reduce the operational risk of operating personnel；In addition, passing through the first regulating tank 4, the second regulating tank 5,
Three regulating tanks 6, the 4th regulating tank 7 so that the present apparatus can be suitable for various sizes of cross-arm 10, substantially increase the present apparatus
Application range has widely promotional value.
Embodiment 2：
As shown in Figure 3 and Figure 4, on the basis of embodiment 1, the present embodiment is additionally provided with the first bolt protection mechanism and
Two bolt protection mechanisms.Specifically, the upper surface of the horizontal segment of the first L-square 1 is provided with the first bolt protection mechanism, described
First bolt protection mechanism includes track 23, and setting is slided on the track 23, and there are two shells 13, when two shells 13 are mutual
When contact, the inside of two shells 13 forms protection chamber, and the protection chamber covers the first regulating tank 4；Protection intracavitary is provided with two
Block baffle 17, spring 18 is provided on the baffle 17, and the spring 18 connects shell 13；On side outside the shell 13
It is provided with mounting table 16, through-hole is provided on the mounting table 16, is slided in the through-hole and is provided with positioning pin 15；Described first
Limit hole 19, the size of the limit hole 19 and the size phase of positioning pin 15 are provided on the upper surface of the horizontal segment of L-square 1
Matching；Slide block 14 is provided on the shell 13；It is provided with the second spiral shell on the outer surface of the vertical section of first L-square 1
Bolt protection mechanism, the second bolt protection mechanism include the fixed plate 20 for being located at 5 top of the second regulating tank, the fixed plate 20
Upper hinge is connected with returning face plate 21；Returning face plate 21 is L-shaped structure, is opened up on the outer surface of the vertical section of first L-square 1
There are the jack 22 positioned at 20 top of fixed plate, the jack 22 to be used to place the movable end of returning face plate 21.
When installing or removing the first bolt 11, by stirring slide block 14, pushes two pieces of shells 13 aside along track 23, expose shell
The internal protection chamber of body 13, when shell 13 is moved near limit hole 19, the positioning pin 15 on mounting table 16 is due to gravity work
With falling into limit hole 19 so that shell 13 no longer moves on track 23, and after shell 13 positions, staff can complete to the
The installation or removal work of one bolt 11 lifts positioning pin 15 after the completion, and two pieces of shells 13 mutually move under the action of spring 18
It moves and is finally tightly bonded together, form the protection chamber of top seal, to the first bolt 11, the baffle in protection intracavitary portion
17, spring 18 and the first regulating tank 4 are protected, and avoid acid-rain corrosion above-mentioned parts.When installing or removing the second bolt 12,
The movable end of returning face plate 21 is simultaneously inserted into jack 22 by overturning returning face plate 21, completes the installation or removal of the second bolt 12 later
Work puts down returning face plate 21, the protection chamber that the inner wall of the vertical section of returning face plate 21 and the lower surface of fixed plate 20 are constituted after the completion
Second bolt 12 and third regulating tank 6 can be played a certain protective role.
By said mechanism, the service life of the first bolt 11, the second bolt 12 is substantially increased, the first bolt is avoided
11, the second bolt 12 is stuck in regulating tank after being corroded and can not take out, and convenient for staff's dismounting, overhauls clamping device, into
One step reduces the use cost and upkeep operation difficulty of clamping device.
" first " used herein, " second ", " third ", " the 4th " etc. (such as the first bolt protection mechanism, second
Bolt protection mechanism etc.) be intended merely to description it is clear for the sake of and corresponding component is distinguished, it is not intended to limit any order or
Person emphasizes importance etc..In addition, terminology used in this article " connection " can be straight without special instruction
It connects connected, can also make to be indirectly connected via other component.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. the clamping device for cross arm of tower, which is characterized in that described including the first L-square (1) and the second L-square (2)
First L-square (1) and the second L-square (2) are connected through the hinge；It is provided with eyelet on the horizontal segment of first L-square (1)
(8), the first regulating tank (4) are provided with the second regulating tank (5) in the vertical section of the first L-square (1), the second L-square (2)
It is provided with lower eyelet (9), third regulating tank (6) on horizontal segment, the 4th regulating tank is provided in the vertical section of the second L-square (2)
(7), wherein the first regulating tank (4), the second regulating tank (5), third regulating tank (6), the 4th regulating tank (7) position be configured
For, when the central axes of upper eyelet (8) are conllinear with the lower central axes of eyelet (9), first regulating tank (4) and third regulating tank
(6) alignment, second regulating tank (5) are aligned with the 4th regulating tank (7)；Further include the first bolt (11), the second bolt (12)
And the nut to match with the first bolt (11), the second bolt (12), the size of first bolt (11) are adjusted with first
Slot (4), third regulating tank (6) size match, the size of second bolt (12) is adjusted with the second regulating tank (5), the 4th
The size of section slot (7) matches.
2. the clamping device according to claim 1 for cross arm of tower, which is characterized in that first L-square (1)
Horizontal segment end face on be provided with rotary gemel (3), the end face of the horizontal segment of second L-square (2) and rotary gemel
(3) it connects.
3. the clamping device according to claim 1 or 2 for cross arm of tower, which is characterized in that first L-square
(1) length of horizontal segment is more than the length of the vertical section of the first L-square (1), the horizontal segment of second L-square (2)
Length is more than the length of the vertical section of the second L-square (2).
4. the clamping device according to claim 1 or 2 for cross arm of tower, which is characterized in that first regulating tank
(4), the second regulating tank (5), third regulating tank (6), the size of the 4th regulating tank (7) are identical.
5. the clamping device according to claim 4 for cross arm of tower, which is characterized in that first regulating tank (4)
Length be 2~5 times of width of the first regulating tank (4).
6. the clamping device according to claim 1 for cross arm of tower, which is characterized in that the water of the first L-square (1)
The upper surface of flat section is provided with the first bolt protection mechanism, and the first bolt protection mechanism includes track (23), the track
(23) there are two shells (13) for sliding setting on, and when two shells (13) contact with each other, the inside of two shells (13) is formed
Chamber, the protection chamber is protected to cover the first regulating tank (4)；Protection intracavitary is provided with two block baffles (17), on the baffle (17)
It is provided with spring (18), spring (18) the connection shell (13).
7. the clamping device according to claim 6 for cross arm of tower, which is characterized in that shell (13) outside
It is provided with mounting table (16) on side, through-hole is provided on the mounting table (16), is slided in the through-hole and is provided with positioning pin
(15)；Limit hole (19), the size of the limit hole (19) are provided on the upper surface of the horizontal segment of first L-square (1)
Match with the size of positioning pin (15).
8. the clamping device for cross arm of tower described according to claim 6 or 7, which is characterized in that on the shell (13)
It is provided with slide block (14).
9. the clamping device for cross arm of tower according to claim 1 or 6, which is characterized in that first L-square
(1) the second bolt protection mechanism is provided on the outer surface of vertical section, the second bolt protection mechanism includes being located at second
Fixed plate (20) above regulating tank (5), fixed plate (20) upper hinge are connected with returning face plate (21).
10. the clamping device according to claim 9 for cross arm of tower, which is characterized in that the returning face plate (21) is L
Shape structure offers the jack (22) above fixed plate (20) on the outer surface of the vertical section of first L-square (1),
The jack (22) is used to place the movable end of returning face plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436978.0A CN108425539A (en) | 2018-05-09 | 2018-05-09 | Clamping device for cross arm of tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436978.0A CN108425539A (en) | 2018-05-09 | 2018-05-09 | Clamping device for cross arm of tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108425539A true CN108425539A (en) | 2018-08-21 |
Family
ID=63162438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436978.0A Pending CN108425539A (en) | 2018-05-09 | 2018-05-09 | Clamping device for cross arm of tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449848A (en) * | 2018-10-26 | 2019-03-08 | 国网四川省电力公司广元供电公司 | A kind of wire jumper bar magnet mounting structure for taking fire suitable for livewire work |
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