CN104716602B - A kind of portable rural power grids line-sag adjusting apparatus - Google Patents
A kind of portable rural power grids line-sag adjusting apparatus Download PDFInfo
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- CN104716602B CN104716602B CN201510120739.0A CN201510120739A CN104716602B CN 104716602 B CN104716602 B CN 104716602B CN 201510120739 A CN201510120739 A CN 201510120739A CN 104716602 B CN104716602 B CN 104716602B
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- 238000004804 winding Methods 0.000 claims abstract description 87
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- 230000037431 insertion Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
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Abstract
A kind of portable rural power grids line-sag adjusting apparatus, including frames, winding drum is installed in frames, rope is wound with winding drum, winding drum one end is provided with the ratchet mechanism for being coaxial therewith rotating, and the winding drum other end is provided with the gear wheel for being coaxial therewith rotating；Winding shaft is installed in frames, the little gear for being coaxial therewith rotating is installed, little gear engages with gear wheel, and little gear, gear wheel form transmission mechanism beside winding shaft, crank is installed with little gear, the fixed pulley for guiding is installed in frames.The present invention provides a kind of portable rural power grids line-sag adjusting apparatus, and the device has simple to operate, big from heavy and light, load capacity, the outstanding advantage such as sag adjustment precision height, the construction intensity for mitigating operating personnel and guarantee working security.
Description
Technical field
A kind of portable rural power grids line-sag adjusting apparatus of the present invention, belongs to the operation, construction and inspection of rural power grid distribution line
Field is repaiied, the sag when remote mountain areas and distribution line that the power-equipment that is particularly suitable for use in can not be transported to need to cross over big river is adjusted
It is whole.
Background technology
Distribution line is the important component of power system, and they are responsible for the challenge powered to town and country, and it is pacified
Complete reliable operation will directly affect the daily life quality of the national economic development and the people.However, the face of rural power grid distribution line
Extensively, point is more, region is big and the quality of equipment is uneven, and these can all bring to the operation efficiency of construction of network operation personnel
Greatly challenge；Meanwhile distribution line mostly by the power-equipments such as remote mountain areas can not communications and transportation particular surroundings to
Family is transmitted electricity, and communications and transportation is not convenient and the equipment of power supply bureau in countryside is mostly old and lacks.Therefore, in electric operating personnel couple
When rural power grids circuit carries out sag adjustment, in order to improve sag adjustment precision and efficiency of construction, a kind of portable sag of design is adjusted
Engagement positions just become the problem of urgent need to resolve.
For the sag adjustment of circuit, sag adjustment Work tool of the prior art, it is higher to focus primarily upon voltage class
Transmission line of electricity field；Or when being adjusted to sag, mostly have method it is complicated, it is inconvenient for operation, construct dumb, work
The characteristics of tool is heavy, sag adjustment precision is low and costly, and one kind is also lacked to the sag adjustment of rural power grids circuit at present and cut
Real feasible method and it is a set of save labor, securely and reliably, the low Work tool of cost.
The content of the invention
In order to provide a kind of practicable Work tool to the sag adjustment of rural power grids circuit, also for big in mountain area, river
Across etc. convenient use under unfavorable construction environment.The present invention provides a kind of portable rural power grids line-sag adjusting apparatus, not only
It can be used in conventional rural power grids circuit to carry out sag adjustment and use as interim small-sized tight, line concentration hauling machine, Er Qieshi
The special operation environment being unable to reach for power-equipments such as remote mountain areas.The device have it is simple to operate, from heavy and light, load energy
Power is big, and sag adjustment precision is high, mitigate the construction intensity of operating personnel and ensures the outstanding advantages such as working security.
The technical solution adopted in the present invention is：
A kind of portable rural power grids line-sag adjusting apparatus, including frames, winding drum is installed in frames, rolled up
Raise and rope be wound with cylinder, winding drum one end be provided be coaxial therewith rotate ratchet mechanism, the winding drum other end be provided with
Its gear wheel rotated coaxially；Winding shaft is installed in frames, the small tooth for being coaxial therewith rotating is installed beside winding shaft
Wheel, little gear engage with gear wheel, and little gear, gear wheel form transmission mechanism, and crank is installed with little gear, support machine
Fixed pulley for guiding is installed on frame.
The frames are provided with shackle.
The winding drum is provided with the groove for arranging rope.
The rope is restricted for macromolecule Di Nima.
The ratchet mechanism includes ratchet, check pawl, and change-over key is provided with beside ratchet mechanism.
A kind of rural power grids line-sag method of adjustment, after one end of rope is connected with conductor wire end, the other end of rope passes through
For the fixed pulley of guiding, then rope is wound to 4 ~ 5 circles in winding shaft, by rope around the groove for entering winding drum, rope is existed
It can be arranged in an orderly manner on winding drum；When rope on winding drum around enter 3-4 circle after, by the top of rope through threading shackle, profit
It is fixed on shackle and drill rod on ground；Operating personnel shakes crank with hand-power and provides initial drive force for device, utilizes transmission
Mechanism realizes the transmission of power, most at last rope constantly around on winding drum；When rotating, with winding drum with dog end machine
Structure can realize the instant reverse locking function of winding drum, and commutation knob is provided with beside ratchet mechanism, can control spine
Take turns the releasing orientation or locking state of mechanism.
A kind of rural power grids line-sag method of adjustment, comprises the following steps：
Step 1：After completing Poling Construction work, wire is fixed on ground with shackle and drill rod at certain end of unwrapping wire,
The other end links together with shackle；
Step 2：The rope end of preparation is attached with suspension hook, then suspension hook and shackle are linked together, realization is led
Line directly interconnects with device, then proceeds by line concentration, stringing and sag adjustment work；
Step 3：Each grade of sag of calculating is converted into the collection line length of rope, rope termination with red face
Material, which is done, effectively to be marked.
Step 4：Rope top is passed through to the fixed pulley for being used to be oriented to being fixed in frames, by described fixed sliding
Wheel can adjust instantaneous angular of the rope in winding shaft, make around the rope entered all the time in the center of winding shaft；Prevent from producing
Raw larger deviation angle（Rope can so be reduced and produce larger angle of deviation around fashionable, prevent rope with being oriented to fixed pulley
Larger friction is produced, shortens the service life of rope.
Step 5：Rope is enclosed in winding shaft around 4-5, to prevent producing larger cornerite；Prevent due to load excessive and
Cause rope slipping phenomenon.Meanwhile also to prevent cornerite is excessive to cause frictional resistance excessive, prevent winding shaft from normal rotation and
Influence line concentration work.
Step 6：After rope is wound from winding shaft, then around on reeded winding drum；It is noticeable
It is that the velocity of rotation of reel should remain a constant speed as far as possible, prevent the irregular alignment of rope.
Step 7：After rope is winding 3-4 circles on winding drum, the top of rope is passed through into shackle, then utilizes drill rod
Rope is fixed on the ground with shackle；
Step 8：It is that rope is carried out with winding drum to be twisted line concentration, operating personnel is at the uniform velocity during sag adjustment
Ground shakes crank, to provide input driving force, transfers force in little gear, then by little gear come drive gear wheel, gear wheel
Rotated coaxially with winding drum, moment of friction is produced by the frictional force between winding drum and rope, input driving moment is borrowed
After helping gear mechanism to transmit, by overcoming moment of friction so as to drive winding drum constantly to rotate, by rope in an orderly manner around entering；Together
When, the other end of winding drum has the ratchet mechanism for being coaxial therewith rotating, to realize the real-time reverse locking of winding drum and tricing line
Rope around length is entered, when avoiding the fortuitous event from occurring, manual crank inverts accidental injury operation suddenly.
Step 9：Check pawl is there is also mounted in frames, commutation knob is there is also mounted beside check pawl, with control
Ratchet loosens or locking state, realizes the difference in functionality of line concentration and unwrapping wire；
Step 10：When the load for needing to be lifted is larger, frames can be fixed on ground by Work tools such as drill rods
On face；Meanwhile the depth on drill rod insertion ground must not be less than 50cm, to ensure the stability of work progress and security.
In step 4, the fixed pulley for guiding is arranged on the center of frames front end, and its center is with twining
The central point alignment of bobbin, it can ensure that macromolecule Di Nima ropes are centerings around entering, and to reduce angle of deviation, avoid rope with leading
To prolonged friction is produced between fixed pulley, the service life of rope is improved.
In step 7, after rope is in winding drum winding 3-4 circles, the top of rope is passed through into shackle, utilizes shackle and steel
Pricker fixes rope on the ground.
In step 8, in power drive mechanism, for little gear as driving wheel, gear wheel is driven pulley, utilizes gear train
The characteristics of transmission ratio is big is closed, the laborsaving of whole device is formed and transmits the mechanism of power.
In step 8, winding drum rotates coaxially with ratchet mechanism, and ratchet can adjust and control in real time winding drum
Rotation direction；When preventing that winding drum from inverting, operating personnel is accidentally injured in the unexpected reversion of crank, ensure that the security of construction.
In step 9, check pawl is there is also mounted in frames, check pawl rotates coaxially with commutation knob,
During sag adjustment, commutation knob mainly controls ratchet to loosen or locking state, to realize line concentration and unwrapping wire
Purpose.
In step 10, crank rotates coaxially with winding shaft, and both constitute lever.Operating personnel is former using lever
Reason, can be to provide sufficiently large initial drive force for whole device using less power.
In step 5, it should enclose to prevent producing larger cornerite rope around 4-5 on winding axle, prevent due to loading
There is rope slipping phenomenon greatly.Meanwhile frictional resistance caused by also preventing cornerite excessive is excessive, prevents winding shaft from rotating
And influence normal line concentration.
In some distribution line engineerings, it may be necessary to which the diameter of wire for adjusting sag is excessive（That is the lifting load of device
It is larger）, now, in order to ensure in work progress that device being capable of smooth working, it should be fixed on ground by frames using drill rod
On face, and the depth on drill rod insertion ground must not be less than 50cm.
A kind of portable rural power grids line-sag adjusting apparatus of the present invention, technique effect are as follows：
1）, be driven using gear mechanism power transmission.In gear drive, little gear is coaxial turn with manual crank
Dynamic, therefore driving force can be transferred on gear reduction, reach the effect for the increasing square that slows down.
2）, line concentration carried out come drive gear wheel using little gear.Manual crank employs lever principle, can be according to reality
Border needs, and is suitably lengthened or shortened the length of crank, to mitigate the labor intensity of worker and provide larger input torque.Its
In, manual crank, gear wheel and little gear etc. are all attached with nut and frames, and they are all detachable
, it can mitigate operation intensity when carrying.Pay attention to, the depth of groove and width on winding drum all should be reasonable, enable rope
It is enough in an orderly manner around entering groove and non-slip.
3）, it is theoretical according to frictional drive, line concentration winding drum is effectively equivalent to friction pulley.By by rope on cylinder in advance
Several circles are wound, sufficiently large frictional force can be so provided for cable traction, the tension force of end can be converted into and overcome rope by it
So as to drive rope, that is, input driving torque only needs to overcome moment of friction the moment of friction of rope and cylinder（Rope and winding drum it
Between friction caused by）, you can driving rope is in an orderly manner around entering.
4）, using the combination of lever principle, gear mechanism and ratchet mechanism, can not only meet that line-sag adjusts
Functional requirement, and enormously simplify apparatus structure；Meanwhile gear wheel in device, little gear, crank be it is detachable,
Device deadweight is alleviated, is easy to manually carry, the labor intensity of operating personnel can be mitigated, be particularly suitable for remote mountain
The manual work environment in area.
Brief description of the drawings
Fig. 1 is the overall structure diagram of apparatus of the present invention；
Fig. 2 is the rack construction schematic diagram of apparatus of the present invention；
Fig. 3 is the line concentration reel structure schematic diagram of apparatus of the present invention；
Fig. 4 is the gear wheel structural representation of apparatus of the present invention；
Fig. 5 is the pinion structure schematic diagram of apparatus of the present invention；
Fig. 6 is the little gear three dimensional structure diagram of apparatus of the present invention；
Fig. 7 is the ratchet mechanism schematic diagram of apparatus of the present invention；
Fig. 8 is the ratchet structure schematic diagram of apparatus of the present invention；
Fig. 9 is Suspension hook structure schematic diagram described in the present embodiment；
Figure 10 is the shackle structural representation of apparatus of the present invention.
Embodiment
As shown in Fig. 1 ~ Figure 10, a kind of portable rural power grids line-sag adjusting apparatus, include frames 1, support machine
The front-end and back-end of frame 1 are separately installed with 2, two threading shackles 6 of fixed pulley of guiding；In the interposition of frames 1
Put and a winding drum 7 is installed, the macromolecule Di Nima ropes of a fixing turn, and winding drum 7 and gear wheel are wound with winding drum 7
8 and ratchet mechanism（Ratchet 5 and check pawl 4）Rotate coaxially；The side of check pawl 4 is provided with commutation knob 3；Elevator
The side of cylinder 7 is also equipped with little gear 9 and the winding shaft rotated coaxially with little gear 9 11, while also one coaxial with little gear 9
The crank 10 of the offer initial drive force of rotation；Gear wheel 8 together constitutes gear train assembly with little gear 9, is passed for device
Graduating power.
After the completion of the group of shaft tower stands work, first with manpower spreading guiding rope or pull rope, then with manpower or machinery（It is small-sized
Hauling machine）Spreading conducting wire, then by one end of wire with several shackles（Shown in Figure 10）It is fixed on drill rod on ground.Together
When, by the wire other end by way of knotting and shackle（Shown in Figure 10）It is reliable to be connected., in the gradual lifting process of wire
Pay attention to translational speed and the position of red pigment, when reaching sag numerical value, timely arresting stop ground line concentration.
By macromolecule Di Nima rope tops and suspension hook（Shown in Fig. 9）Connection, then by suspension hook（Shown in Fig. 9）With wire end
Shown in shackle Figure 10）It is connected, then starts sag adjustment.
Rope end is passed through to the fixed pulley 2 for being installed on 1 guiding in frames, passes through the fixed pulley 2 of guiding
Instantaneous angular of the rope in winding shaft 11 can be adjusted, makes the center for being in winding shaft 11 all the time around the rope entered, prevents
Only produce larger deviation angle（Rope can be reduced and produce larger angle of deviation around fashionable, prevent rope and frames 1 it
Between produce larger friction, shorten the service life of rope, there is preferable economy）.Rope is twined in winding shaft 11 again
Enclosed around 4-5, to ensure having sufficiently large cornerite, prevent from that rope slipping phenomenon occurs due to load excessive.Meanwhile also to prevent
Cornerite, which exceedes predetermined value, causes frictional resistance excessive, winding shaft 11 is influenceed the line concentration of device from rotating.
In construction, both one levers of composition of crank 10 and winding shaft 11, using lever principle, manpower is converted into whole
The initial drive force of individual sag adjustment device, the little gear 9 that the starting force driving that crank 10 provides rotates coaxially with winding shaft.It is small
Gear 9 collectively constitutes the gear power transmission mechanism of an external toothing with gear wheel 8, and the rotation of little gear 9 can drive gear wheel
8, both common passing powers.Gear wheel 8 rotates coaxially with winding drum 7, when people is shaking manual crank 10, by twining
The parts such as bobbin 11, gear drive and winding drum 7, rope is slowly wrapped on winding drum 7 in an orderly manner, realizes wire
Lifting, according to design sag, then by rope corresponding to enter design length.
The other end of winding drum 7 is provided with the ratchet mechanism for being coaxial therewith rotating（Ratchet 5 and check pawl 4）, it is to realize
When reverse locking rope function, so ensure constructing operation security；Simultaneously as the spacing of ratchet 5 is smaller, so may be used
To ensure that the length of each line concentration is all definite value, and the speed of line concentration can be controlled.
Gear ratio in the present embodiment is 3, and its value is smaller, it reduce collection linear velocity, but is under equal conditions carried
The high load capacity of device and the construction intensity that operating personnel can be reduced.Realize that operating personnel holds using the driving energy of crank 10
Work continuously, improve the efficiency of construction operation, there is preferable economic benefit.
In rope after line concentration winding drum 2-3 circles are entered, by rope ends through threading shackle 6, it will be restricted using drill rod and shackle
Rope fixes on the ground.When needing the line conductor diameter for adjusting sag excessive, for the stability and peace during line concentration
Full property is, it is necessary to frames 1 be fixed using drill rod and ground, and the depth on drill rod insertion ground must not be less than 50cm.
Beside above-mentioned ratchet mechanism, the commutation knob 3 rotated coaxially with check pawl 4 is also equipped with, when rope is tightened up
When excessive, commutation knob 3 can be stirred, check pawl 4 and ratchet 5 is unclamped and connects, being capable of unwrapping wire freely when reaching winding drum 7
During with line concentration, knob 3 can be stirred again, realize the instant locking of winding drum 7.
Using above-mentioned portable rural power grids line-sag adjusting apparatus, the power-equipments such as remote mountain areas are can be widely used in
Unapproachable particular job environment, or be only capable of by the sag adjustment operating environment being accomplished manually.In the handling process, due to
Gear wheel 8, little gear 9 and manual crank 10 be all it is detachable, therefore, in construction operation, 2 staff's cans
Complete sag adjustment operation.Understand that maximum load capability of the invention is up to 60 kN, arc by field experiment and result of calculation
The whole precision of vertical adjusting is up to 5cm or so.
The present invention is described further with reference to field experiment.
Using city of Hubei Province 10kV rural power grid distribution lines as construction embodiment, live sag adjustment experiment has been carried out.One
As, the span of 10kV and following circuit mostly in the range of 40 ~ 80m, using etc. regular way can be carried out sag observation.This example
Unwrapping wire length 3km or so, there is the base of tangent suspension tower 15 centre, and each grade of sag computing value is about 1.4m.Utilize the light of the present invention
Just formula rural power grids line-sag adjusting apparatus lifts and adjusted conducting wire sag value, and its final adjustment value is 1.35m.To sag computing
Knowable to value and experiment value are analyzed, the device can carry out sag adjustment really, and can improve the precision of sag, ensure rural power grids
Distribution line over the ground or other cross over thing effective and safe distance.
The concrete operations mode of this example is as follows：After the completion of the setting-out work of whole piece circuit, by wire end with the He of shackle 6
Drill rod is fixed on ground, and the other end is connected using shackle 6 by way of knotting.Operating personnel is in the place of spaciousness by high score
Sub- Di Nima ropes suspension hook（Shown in accompanying drawing 10）Effectively it is connected, then by suspension hook（Shown in accompanying drawing 10）It is connected with the shackle on wire
Connect.
The top of rope is passed through into the fixed pulley 2 for being oriented to, then rope wind in winding shaft 11 after 4-5 encloses, is connect
Around in the groove of winding drum 7, finally, by rope top through threading shackle, using shackle and drill rod by the one of rope
Ground is fixed at end, and wire of such whole device just with rural power grids circuit links together.After the completion of all preparations, by 1
Individual operating personnel evenly shakes manual crank with hand, slowly collects rope, by rope in an orderly manner around to line concentration elevator
On cylinder.By 1 sag observation personnel secure visual position detection red-label movement, in time remind operating personnel whether arc
Hang down and reach design load.Simultaneously as the spacing of ratchet is smaller（5cm）, therefore, can be by precision control during sag adjustment
System is in 5cm.
By the experimental verification of this example, show that the portable device can realize the function of sag adjustment.Meanwhile with reference to reality
Experiment understands that the gear mechanism and crank 10 of the device are all detachable, and the spacing minimum value of ratchet is 5cm.Therefore,
The device have it is simple to operate, from heavy and light, be easy to carry, sag adjustment precision is high, improves efficiency of construction and practical etc. bright
Aobvious advantage, it is particularly suitable for the construction environment that the large-sized power plants such as some remote mountain areas in southwest can not reach.
Claims (4)
- A kind of 1. rural power grids line-sag method of adjustment, it is characterised in that：Including a kind of portable rural power grids line-sag adjusting apparatus, The device includes frames（1）, frames（1）On winding drum is installed（7）, winding drum（7）On be wound with rope, elevator Cylinder（7）One end is provided with the ratchet mechanism for being coaxial therewith rotating, winding drum（7）The other end is provided with the canine tooth for being coaxial therewith rotating Wheel（8）；Frames（1）On winding shaft is installed（11）, winding shaft（11）Side is provided with the little gear for being coaxial therewith rotating （9）, little gear（9）With gear wheel（8）Engagement, little gear（9）, gear wheel（8）Form transmission mechanism, little gear（9）Upper fixation Crank is installed（10）, frames（1）On fixed pulley for guiding is installed（2）, the frames（1）It is provided with and unloads Button（6）, the winding drum（7）The groove for arranging rope is provided with, the ratchet mechanism includes ratchet（5）, check pawl（4）, Change-over key is installed beside ratchet mechanism（3）, check pawl（4）With change-over key（3）Rotate coaxially；Sag adjustment include with Lower step：Step 1：After completing Poling Construction work, at certain end of unwrapping wire by wire shackle（6）It is fixed on drill rod on ground, The other end and shackle（6）Link together；Step 2：The rope end of preparation is attached with suspension hook, then by suspension hook and shackle（6）Link together, realization is led Line directly interconnects with device, then proceeds by line concentration, stringing and sag adjustment work；Step 3：Each grade of sag of calculating is converted into the collection line length of rope, made in the termination of rope of red pigment Effectively mark；Step 4：Rope top is passed through and is fixed on frames（1）On be used for be oriented to fixed pulley（2）, by described fixed Pulley（2）Rope can be adjusted in winding shaft（11）On instantaneous angular, make around the rope entered all the time in winding shaft (11) Heart position；Step 5：By rope in winding shaft（11）On enclosed around 4-5, to prevent producing larger cornerite；Step 6：Rope is from winding shaft（11）After upper winding, then around to reeded winding drum（7）On；Step 7：When rope is in winding drum（7）After upper winding 3-4 circles, the top of rope is passed through into shackle（6）, then utilize steel Pricker and shackle（6）Rope is fixed on the ground；Step 8：It is to use winding drum during sag adjustment（7）Rope is carried out to be twisted line concentration, operating personnel is at the uniform velocity Ground shakes crank（10）, to provide input driving force, transfer force to little gear（9）On, then by little gear（9）To drive canine tooth Wheel（8）, gear wheel（8）With winding drum（7）Rotate coaxially, pass through winding drum（7）Frictional force between rope, which produces, rubs Torque is wiped, after input driving moment is transmitted by gear mechanism, by overcoming moment of friction so as to driving winding drum（7）Constantly Rotate, by rope in an orderly manner around entering；Meanwhile winding drum（7）The other end have be coaxial therewith rotate ratchet mechanism, with realize volume Raise cylinder（7）Real-time reverse locking and control rope around entering length；Step 9：Frames（1）On there is also mounted check pawl（4）, check pawl（4）Side there is also mounted change-over key （3）, to control ratchet（5）Loosen or locking state, realize the difference in functionality of line concentration and unwrapping wire；Step 10：, can be by drill rod by frames when needing the load that is lifted larger（1）Fix on the ground；Meanwhile The depth on drill rod insertion ground must not be less than 50cm.
- 2. a kind of rural power grids line-sag method of adjustment as claimed in claim 1, it is characterised in that in step 4, for determining for guiding Pulley（2）Installed in frames（1）The center of front end, its center and winding shaft（11）Central point alignment.
- 3. a kind of rural power grids line-sag method of adjustment as claimed in claim 1, it is characterised in that in step 7, when rope is in elevator Cylinder（7）After winding 3-4 circles, the top of rope is passed through into shackle（6）, utilize shackle（6）Rope is fixed on the ground with drill rod.
- 4. a kind of rural power grids line-sag method of adjustment as claimed in claim 1, it is characterised in that in step 8, in power transmission machine In structure, little gear（9）As driving wheel, gear wheel（8）Driven pulley, using gear combination mechanism gearratio it is big the characteristics of, structure Into the laborsaving of whole device and the mechanism of transmission power；Winding drum（7）Rotated coaxially with ratchet mechanism, ratchet（5）Can be real When adjust and control winding drum（7）Rotation direction；Prevent winding drum（7）During reversion, crank（10）Unexpected reversion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120739.0A CN104716602B (en) | 2015-03-19 | 2015-03-19 | A kind of portable rural power grids line-sag adjusting apparatus |
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|---|---|---|---|
| CN201510120739.0A CN104716602B (en) | 2015-03-19 | 2015-03-19 | A kind of portable rural power grids line-sag adjusting apparatus |
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| CN104716602A CN104716602A (en) | 2015-06-17 |
| CN104716602B true CN104716602B (en) | 2017-11-14 |
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| CN201510120739.0A Expired - Fee Related CN104716602B (en) | 2015-03-19 | 2015-03-19 | A kind of portable rural power grids line-sag adjusting apparatus |
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| CN114411645B (en) * | 2022-01-29 | 2023-11-03 | 山东欧标信息科技有限公司 | Gate with energy storage function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182170Y (en) * | 1994-03-10 | 1994-11-09 | 黄福常 | Double-shaft bidirection rotating fall controlling apparatus |
| CN203242965U (en) * | 2013-05-09 | 2013-10-16 | 国家电网公司 | Sag adjuster |
| CN203367886U (en) * | 2013-08-15 | 2013-12-25 | 国家电网公司 | Miniature take-up device |
| CN104332890A (en) * | 2014-11-12 | 2015-02-04 | 国家电网公司 | Portable manual take-up device |
| CN204407795U (en) * | 2015-03-19 | 2015-06-17 | 三峡大学 | A kind of portable rural power grids line-sag adjusting device |
-
2015
- 2015-03-19 CN CN201510120739.0A patent/CN104716602B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182170Y (en) * | 1994-03-10 | 1994-11-09 | 黄福常 | Double-shaft bidirection rotating fall controlling apparatus |
| CN203242965U (en) * | 2013-05-09 | 2013-10-16 | 国家电网公司 | Sag adjuster |
| CN203367886U (en) * | 2013-08-15 | 2013-12-25 | 国家电网公司 | Miniature take-up device |
| CN104332890A (en) * | 2014-11-12 | 2015-02-04 | 国家电网公司 | Portable manual take-up device |
| CN204407795U (en) * | 2015-03-19 | 2015-06-17 | 三峡大学 | A kind of portable rural power grids line-sag adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104716602A (en) | 2015-06-17 |
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Effective date of registration: 20221208 Address after: No.57-5, Fazhan Avenue, Yichang District, China (Hubei) free trade zone, Yichang City, Hubei Province, 443000 Patentee after: Yichang Longjie Electrical Technology Co.,Ltd. Address before: 443002 No. 8, University Road, Yichang, Hubei Patentee before: CHINA THREE GORGES University |
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