CN105668446B - The device and its installation tool of equipment hoisting on overhead power line bar - Google Patents
The device and its installation tool of equipment hoisting on overhead power line bar Download PDFInfo
- Publication number
- CN105668446B CN105668446B CN201610179795.6A CN201610179795A CN105668446B CN 105668446 B CN105668446 B CN 105668446B CN 201610179795 A CN201610179795 A CN 201610179795A CN 105668446 B CN105668446 B CN 105668446B
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- Prior art keywords
- bracing wire
- anchor ear
- wire anchor
- elastic clip
- transverse arm
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- 238000009434 installation Methods 0.000 title claims abstract description 34
- 230000009194 climbing Effects 0.000 claims abstract description 35
- 238000005452 bending Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 241001442589 Convoluta Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of device and its installation tool for equipment hoisting on overhead power line bar, belong to field of electricity construction, the device includes an at least transverse arm, one end of the transverse arm is fixedly connected with the pulley fixing device for being useful for installation lifting pulley, the other end of the transverse arm is fixedly connected with the first bracing wire anchor ear, and the transverse arm is installed on electric pole by the first bracing wire anchor ear.The installation tool includes elastic clip, and some climbing wheels are uniformly distributed on the inside of elastic clip, and the climbing wheel rotation drives the elastic clip climbing electric pole；The locking device for locking the first bracing wire anchor ear is installed on elastic clip by connecting plate.The device especially avoids the dispute caused by big machinery is into ground in rural area, improves construction efficiency, reduce operating expenses from the influence of geographical environment；The installation tool completes the installation of the device on the premise of it need not manually climb, and avoids the security risk that installation is brought of manually climbing.
Description
Technical field
It is specifically a kind of to be used for equipment hoisting on overhead power line bar the present invention relates to technical field of electric power construction
Device and its installation tool.
Background technology
Need that the power equipments such as transformer, switch, arrester are installed on power domain, reinforced concrete pole, with reality
The normal table work of existing power circuit, in power construction, the installation of equipment is ubiquitous on bar, can not be installed in manpower
When, often to be lifted using machinery, such as：Crane etc., but limited by traffic environment, on the ground that crane cannot reach
Side, manually need to move switch to installation site using pulley blocks.
When the lifting of equipment is realized by pulley blocks, pulley blocks are hung in original pole arm, are found in the construction process：
If fixed pulley is nearer from electric pole on bar, switchs and occur that switch touches electric pole phenomenon in uphill process；If fixed pulley on bar
From electric pole farther out, solve touching lever phenomenon but cross-arm occurs that stress side is oblique, need to recover cross-arm after installing, take
When it is laborious.Based on the above situation, allow equipment neither touching lever and not allow cross-arm stress in uphill process, need to solve at present
Problem.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of dress for equipment hoisting on overhead power line bar
Put and its installation tool, which avoids dispute of constructing because of caused by big machinery into ground from the influence of geographical environment,
Construction efficiency is improved, reduces operating expenses；The installation tool can be without completing the dress on the premise of manually ascending a height
The installation put, avoids the security risk for installation of manually ascending a height.
The present invention, which solves the technical solution that its technical problem is taken, to be included：The equipment hoisting on overhead power line bar
Device, an including at least transverse arm, one end of the transverse arm, which is fixedly connected, to be useful for installation lifting and is fixed with the pulley of pulley
Device, the other end of the transverse arm are fixedly connected with the first bracing wire anchor ear, and the transverse arm is installed on electricity by the first bracing wire anchor ear
On bar.
The firmness connected between increase device and electric pole, further technical solution are：The lower section of the transverse arm
Vertical arm is fixedly connected with, the bottom of the vertical arm is fixedly connected with a lateral frame, and the other end of the lateral frame is fixedly connected with
Second bracing wire anchor ear, the second bracing wire anchor ear are engaged with electric pole at the same time with the first bracing wire anchor ear.In the bottom of vertical arm
It is provided with lateral frame and the second bracing wire anchor ear is connected by lateral frame, reduces the shearing force suffered by the second bracing wire anchor ear, increase
The mechanical strength of second bracing wire anchor ear junction.
To increase the stability and mechanical performance of mast-up, further technical solution is：The transverse arm and the vertical arm
Between be installed with oblique arm, the transverse arm, vertical arm, oblique arm and lateral frame collectively form mast-up.Transverse arm, vertical arm and oblique arm are equal
Formed using angle steel.
To improve the stability connected between the first bracing wire anchor ear and transverse arm, transverse arm is avoided to deform, further skill
Art scheme is：Slanting supporting rod is connected between the transverse arm and the first bracing wire anchor ear, the supporting rod is in institute
State transverse arm both sides are symmetrical or unsymmetrical arrangement.
To improve the stability connected between the second bracing wire anchor ear and lateral frame, lateral frame is avoided to deform, further
Technical solution be：Slanting supporting rod, the support are connected between the lateral frame and the second bracing wire anchor ear
Bar is the both sides of the lateral frame are symmetrical or unsymmetrical arrangement.
Further technical solution is：The pulley fixing device is U-loop, straight flange and institute at the top of the U-loop
The upper surface for stating transverse arm is fixedly connected.Straight flange at the top of U-loop is fixedly connected with the upper surface of the transverse arm, will compared with traditional
The both ends of pulley fixing device are fixed on the both sides of transverse arm or are fixed on the lower surface of transverse arm, substantially increase the jail of connection
Soundness, avoids the junction of hoisting process middle pulley fixing device and transverse arm cracking, and lifting pulley is installed on U-loop
On, it is very convenient.
Above-mentioned device is installed on the premise of it need not ascend a height to realize, the present invention solves the technology of its technical problem
Scheme further includes：The installation instrument for being used for the device of equipment hoisting on overhead power line bar, including with the outside of electric pole
The elastic clip that wall is adapted, the elastic clip are the annular shape with opening, are uniformly distributed on the inside of the elastic clip
Some climbing wheels, the climbing wheel rotation drive the elastic clip climbing electric pole；
The locking device for locking the first bracing wire anchor ear, the lock are installed on the elastic clip by connecting plate
Tight device includes leading screw, and the leading screw is engaged with the screw hole on the connecting plate, and the end of the leading screw is equipped with clamping jaw to press from both sides
Fastening screw that is tight or unclamping the first bracing wire anchor ear, the leading screw do linear motion and drive the clamping jaw to twist while rotation
Fastening screw that is tight or unclamping the first bracing wire anchor ear.
For ease of installation of the elastic clip on electric pole, further technical solution is：The opening of the elastic clip
Equipped with curved bending section laterally, rounding off between the bending section and the elastic clip.
Frictional force during further to reduce installation between elastic clip and electric pole surface, further technical solution are：
Transition position between the bending section and the elastic clip is provided with roller, the axis of the axis of the roller and the climbing wheel
Line is vertical.Set roller to cause friction of the elastic clip when mounted between electric pole to be changed into rolling friction from sliding friction, make
The installation for obtaining elastic clip is more laborsaving.
Further technical solution is：The climbing wheel is synchronously driven by remote controlled servo motor, and the leading screw leads to
Cross rimless motor driving；Driving flange, the driving flange and the rotor of the rimless motor are fixedly installed on the leading screw
It is fixedly connected, the rotor of the rimless motor drives the leading screw to rotate by the driving flange, the leading screw and the company
Screw hole on fishplate bar coordinates to move along a straight line while rotating so as to fulfill the leading screw.
When the quantity of bracing wire anchor ear on device is more than one, the connecting plate on instrument is increased, each corresponding bracing wire
The fastening screw of anchor ear sets locking device.
The beneficial effects of the invention are as follows：
1st, provide a kind of device for equipment hoisting on overhead power line bar, the device from geographical environment shadow
Ring, especially suitable for rural power grids power construction, installation is simple, easy to use, low cost, efficient, especially avoided in rural area because
Construct caused by big machinery into ground dispute, improve construction efficiency, reduce operating expenses.By using discovery using this
The device of invention fixes fixed pulley and not only solves switch touching lever phenomenon, and easy for installation, 360 ° of rotations can be carried out, using most
Good direction is fixed, and switch fixation is carried out easy to staff, time saving, laborsaving.It is adapted to lift work on all kinds of geographical location bars.Energy
Enough surplus spendings, reduce construction and compensate with rolling.
2nd, a kind of above-mentioned instrument for the device of equipment hoisting on overhead power line bar of installation, the instrument energy are provided
Enough eminences without above-mentioned device to be installed to electric pole on the premise of manually ascending a height, avoid and manually ascend a height what installation was brought
Security risk.
Brief description of the drawings
Fig. 1 is the structure diagram that the present invention is used for the embodiment of the device of equipment hoisting on overhead power line bar；
Fig. 2 is the partial top view of Fig. 1；
Fig. 3 is the structure diagram of Fig. 1 middle pulley fixing devices；
Fig. 4 is the structure diagram of the embodiment of installation tool of the present invention；
Fig. 5 is the structure diagram that the leading screw of installation tool of the present invention and rimless motor coordinate.
In figure：1 transverse arm, 2 vertical arm, 3 oblique arms, 4 lateral frames, 5 first bracing wire anchor ears, 6 second bracing wire anchor ears, 7 fastening screws,
8 supporting rods, 9 pulley fixing devices, 10 elastic clips, 11 rollers, 12 climbing wheels, 13 leading screws, 14 clamping jaws, 15 connecting plates, 16 drive
Dynamic flange, 17 rimless motors.
Embodiment
With reference to Figure of description and specific embodiment, the invention will be further described：
As shown in Figure 1, on overhead power line bar equipment hoisting device, including 3 structure of transverse arm 1, vertical arm 2 and oblique arm
Into mast-up, one end of the transverse arm 1 be fixedly connected be useful for installation lifting pulley pulley fixing device 9, the horizontal stroke
The other end of arm 1 is fixedly connected with the first bracing wire anchor ear 5, and the transverse arm 1 is installed on electric pole by the first bracing wire anchor ear 5；Institute
The lower section for stating transverse arm 1 is fixedly connected with vertical arm 2, and the bottom of the vertical arm 2 is fixedly connected with a lateral frame 4, the lateral frame 4
The other end is fixedly connected with the second bracing wire anchor ear 6, the second bracing wire anchor ear 6 and the first bracing wire anchor ear 5 while and electric pole
It is engaged；Oblique arm 3 is installed between the transverse arm 1 and the vertical arm 2.Transverse arm 1, vertical arm 2 and oblique arm 3 use angle steel structure
Into.
Lateral frame 4 is provided with the bottom of vertical arm 2 and the second bracing wire anchor ear 6 is connected by lateral frame 4, reduces the second bracing wire
Shearing force suffered by anchor ear 6, the mechanical strength of 6 junction of the second bracing wire anchor ear of increase.
As shown in Fig. 2, it is connected with slanting supporting rod 8, institute between the transverse arm 1 and the first bracing wire anchor ear 5
Supporting rod 8 is stated to be arranged symmetrically in the both sides of the transverse arm 1.Connected between the lateral frame 4 and the second bracing wire anchor ear 6
There is slanting supporting rod 8, the supporting rod 8 is arranged symmetrically in the both sides of the lateral frame 4.
As shown in figure 3, the pulley fixing device 9 is U-loop, the straight flange at the top of the U-loop and the transverse arm 1
Upper surface is fixedly connected.Straight flange at the top of U-loop is fixedly connected with the upper surface of the transverse arm 1, consolidates pulley compared with traditional
The both ends for determining device 9 are fixed on the both sides of transverse arm 1 or are fixed on the lower surface of transverse arm 1, substantially increase the firm of connection
Degree, avoids the junction of hoisting process middle pulley fixing device 9 and transverse arm 1 cracking, lifting pulley is installed on U-loop
On, it is very convenient.
First bracing wire anchor ear 5 usesBracing wire anchor ear, the second bracing wire anchor ear 6 usesBracing wire anchor ear, energy
The fastening screw 7 of the design feature that enough adaptation electric pole bottom is thick, top is thin, the first bracing wire anchor ear 5 and the second bracing wire anchor ear 6 uses
16 × 120 full wire screws.
Above-mentioned device is installed on the premise of it need not ascend a height to realize, present invention additionally comprises being used for described in installation
The instrument of the device of equipment hoisting on overhead power line bar, as shown in figure 4, the instrument includes mutually fitting with electric pole lateral wall
The elastic clip 10 answered, the elastic clip 10 are the circle shape spring piece with opening, and the inner side of the elastic clip 10 is equal
Even some climbing wheels 12 of distribution, 12 rotation of climbing wheel drive the elastic clip 10 to climb electric pole.
Locking the first bracing wire anchor ear 5 is provided with by connecting plate 15 on the elastic clip 10 and the second bracing wire is embraced
The locking device of hoop 6, because the structure of locking device is consistent, so clipped locking device in Fig. 4, to be embraced with the first bracing wire
Bind round and illustrate exemplified by 5 matched locking devices：
The locking device includes leading screw 13, and the leading screw 13 is engaged with the screw hole on the connecting plate 15, the silk
The end of thick stick 13 is equipped with clamping jaw 14 to clamp or unclamp the fastening screw 7 of the first bracing wire anchor ear 5, and the leading screw 13 is rotating
Doing linear motion at the same time drives the clamping jaw 14 to tighten or unclamp the fastening screw 7 of the first bracing wire anchor ear 5.
The opening of elastic clip 10 is equipped with curved bending section laterally, the bending section and the elastic clip 10 it
Between rounding off.Transition position between the bending section and the elastic clip 10 is provided with roller 11, the roller 11
Axis is vertical with the axis of the climbing wheel 12.Roller 11 is set so that the friction between electric pole when mounted of elastic clip 10
Rolling friction is changed into from sliding friction so that the installation of elastic clip 10 is more laborsaving.
The climbing wheel 12 is driven by remote controlled servo motor, and remote controlled servo motor is installed on the side of climbing wheel 12,
It should ensure that multiple 12 synchronous drivings of climbing wheel, remote controlled servo motor rotates forward or reversion, realizes that climbing wheel 12 drives elastic clip
10 rise or decline along electric pole.The frictional force between 12 and electric pole is taken turns for enhancing climbing, climbing wheel 12, which should use, to be had necessarily
The elastomeric material of elasticity makes, and small suction nozzle, 12 movement of climbing wheel can be also uniformly arranged on climbing 12 contact surface with electric pole of wheel
When, motor driving climbing wheel 12 overcomes the suction of small suction nozzle to move, when climbing wheel 12 is static, small suction nozzle increase climbing wheel 12 and electricity
Active force between bar surface, increases its stability.
As shown in figure 5, the leading screw 13 is driven by rimless motor 17；Rimless motor 17 has sleeve rotor, described
Driving flange 16 is fixedly installed on leading screw 13, the driving flange 16 and the sleeve rotor of the rimless motor 17 fix company
Connect, the rotor of the rimless motor 17 drives the leading screw 13 to rotate by the driving flange 16, the leading screw 13 with it is described
Screw hole on connecting plate 15 coordinates to move along a straight line while rotating so as to fulfill the leading screw 13.It is equipped with rimless motor 17
Device for controling phase controls its realization to rotate and reverse, main story and reversion by rimless motor 17, realizes the reciprocal fortune of leading screw 13
It is dynamic.
Clamping jaw 14 is the clamp system of machinery industry routine, can be driven by the way of pneumatic or electronic, for
For those skilled in the art, clamping jaw 14 can be configured according to existing knowledge, to its principle, details are not described herein, clamping jaw 14
The surplus for the screw rod for accommodating fastening screw 7 should be reserved between the end face of leading screw 13.
The control device of remote controlled servo motor, rimless motor 17 and clamping jaw 14, which is integrated on a remote controler, supplies operating personnel
In terrestrial operation.
For ease of the understanding of the present invention, installing and using process with reference to one, the invention will be further described：
During installation, now fixed pulley is installed on pulley fixing device 9, then by the first bracing wire anchor ear 5 of device and the
Two bracing wire anchor ears 6 are nested with electric pole, the elastic clip 10 of instrument are placed in the lower section of device, by the locking device pair on instrument
Being nested with for answering is corresponded at the nut at 7 both ends of fastening screw in the outside at 7 both ends of fastening screw, clamping jaw 14.Elastic clip is installed
When 10, its opening is stuck on electric pole and promotes elastic clip 10 to the direction of electric pole, electric pole can strut elastic clip 10
Opening enters after the inner side of elastic clip 10 into the inner side of elastic clip 10, electric pole, and elastic clip 10 resets.It is because elastic
Intermediate plate 10 has elasticity, so it can hold electric pole tightly automatically so that climbing wheel 12 is tightly attached to electric pole surface, with pole diameter
Change, elastic clip 10 also can automatic tightenings so that climbing wheel 12 is close to electric pole surface all the time.
Operating personnel's remote controller, starts remote controlled servo motor, and climbing wheel 12 drives elastic clip 10 to electric pole top
Climbing, and promote described device after reaching desired height, to stop climbing, clamping jaw 14 clamps fastening screw 7 to movement above electric pole
Nut, rimless motor 17 drives leading screw 13 to rotate, and leading screw 13 moves along a straight line while rotating, drives clamping jaw 14 to fasten
The nut of screw 7 is tightened, installation of the finishing device on electric pole.
After completing installation, clamping jaw 14 unclamps nut, and the rotor upset of rimless motor 17 retreats leading screw, make clamping jaw 14 with it is tight
Gu take turns 12 drive elastic clips 10 without interference, then remote controlled servo motor reversal, climbing between screw 7 and drop to ground, finally
Elastic clip 10 is removed from electric pole.
The supporting rod 8 of the present invention can not also influence its function in the anisopleual installation of transverse arm 1 or lateral frame 4.
In the present invention, mast-up can surround the first bracing wire anchor ear 5 and the second bracing wire anchor ear 6 and be distributed multiple, while realize not
With the equipment hoisting in orientation, when mast-up distribution is multiple, to increase its balance, preferably about the first bracing wire anchor ear 5 and the
Two bracing wire anchor ears 6 are uniformly distributed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not the whole embodiments of the present invention, not limiting
The system present invention, within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in
Within protection scope of the present invention.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art, for protrusion
The innovative characteristics of the present invention, details are not described herein for above-mentioned technical characteristic.
Claims (8)
1. for the device of equipment hoisting on overhead power line bar, it is characterized in that, including an at least transverse arm, the transverse arm
One end is fixedly connected with the pulley fixing device for being useful for installation lifting pulley, and the other end of the transverse arm is fixedly connected with first
Bracing wire anchor ear, the transverse arm are installed on electric pole by the first bracing wire anchor ear, and vertical arm, institute are fixedly connected with below the transverse arm
The bottom for stating vertical arm is fixedly connected with a lateral frame, and the other end of the lateral frame is fixedly connected with the second bracing wire anchor ear, described
Second bracing wire anchor ear is engaged with electric pole at the same time with the first bracing wire anchor ear, and the pulley fixing device is U-loop, described
Straight flange at the top of U-loop is fixedly connected with the upper surface of the transverse arm.
2. the device according to claim 1 for equipment hoisting on overhead power line bar, it is characterized in that, the transverse arm
Oblique arm is installed between the vertical arm, the transverse arm, vertical arm, oblique arm and lateral frame collectively form mast-up.
3. the device according to claim 1 for equipment hoisting on overhead power line bar, it is characterized in that, the horizontal stroke
Be connected with slanting supporting rod between arm and the first bracing wire anchor ear, the supporting rod the both sides of the transverse arm it is symmetrical or
Person's unsymmetrical arrangement.
4. the device according to claim 1 for equipment hoisting on overhead power line bar, it is characterized in that, the horizontal stroke
Slanting supporting rod is connected between stent and the second bracing wire anchor ear, the supporting rod is in the both sides pair of the lateral frame
Title or unsymmetrical arrangement.
5. the instrument for being used for the device of equipment hoisting on overhead power line bar described in claim 1 is installed, it is characterized in that, bag
The elastic clip being adapted with electric pole lateral wall is included, the elastic clip is the annular shape with opening, the elastic clip
Inner side is uniformly distributed some climbing wheels, and the climbing wheel rotation drives the elastic clip climbing electric pole；
The locking device for locking the first bracing wire anchor ear, the locking dress are installed on the elastic clip by connecting plate
Put including leading screw, the leading screw is engaged with the screw hole on the connecting plate, the end of the leading screw be equipped with clamping jaw to clamp or
Unclamp the fastening screw of the first bracing wire anchor ear, leading screw rotation while do linear motion drive the clamping jaw tighten or
Unclamp the fastening screw of the first bracing wire anchor ear.
6. instrument according to claim 5, it is characterized in that, the opening of the elastic clip is equipped with curved laterally curved
Pars convoluta, rounding off between the bending section and the elastic clip.
7. instrument according to claim 6, it is characterized in that, the transition position peace between the bending section and the elastic clip
Equipped with roller, the axis of the roller is vertical with the axis of the climbing wheel.
8. instrument according to claim 5, it is characterized in that, the climbing wheel is synchronously driven by remote controlled servo motor,
The leading screw is driven by rimless motor；Driving flange, the driving flange and the nothing are fixedly installed on the leading screw
The rotor of frame motor is fixedly connected, and the rotor of the rimless motor drives the leading screw to rotate by the driving flange, described
Leading screw coordinates with the screw hole on the connecting plate to move along a straight line while rotating so as to fulfill the leading screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179795.6A CN105668446B (en) | 2016-03-25 | 2016-03-25 | The device and its installation tool of equipment hoisting on overhead power line bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179795.6A CN105668446B (en) | 2016-03-25 | 2016-03-25 | The device and its installation tool of equipment hoisting on overhead power line bar |
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| Publication Number | Publication Date |
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| CN105668446A CN105668446A (en) | 2016-06-15 |
| CN105668446B true CN105668446B (en) | 2018-05-11 |
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| CN201610179795.6A Active CN105668446B (en) | 2016-03-25 | 2016-03-25 | The device and its installation tool of equipment hoisting on overhead power line bar |
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| CN108565746B (en) * | 2018-02-11 | 2020-01-03 | 国网山东省电力公司平阴县供电公司 | Electrified installation assembled electric switch hoisting frame |
| CN111017744A (en) * | 2019-11-01 | 2020-04-17 | 国网浙江嵊州市供电有限公司 | Small-size insulating hoist and mount frame of combination formula on pole |
| CN113200469B (en) * | 2021-04-16 | 2022-09-13 | 国网山东省电力公司枣庄供电公司 | Transformer hoisting machine |
| CN113863763B (en) * | 2021-10-15 | 2022-10-11 | 广东电网有限责任公司 | Automatic installation equipment for windproof stay wire |
| CN114877224A (en) * | 2022-05-10 | 2022-08-09 | 国网山东省电力公司莱州市供电公司 | Visual monitoring anti-theft support for steel pipe pole and mounting method thereof |
| CN115957458A (en) * | 2022-12-28 | 2023-04-14 | 湖南九怀通信工程有限公司 | Self-sliding protection system for high-altitude circuit erection hoop |
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| CN101874922A (en) * | 2010-06-25 | 2010-11-03 | 河南省电力公司洛阳供电公司 | Portable wire pole climbing mechanism |
| CN203175139U (en) * | 2013-04-28 | 2013-09-04 | 国家电网公司 | Novel U-shaped stay wire hoop |
| CN103439415A (en) * | 2013-09-09 | 2013-12-11 | 长沙理工大学 | Electromagnetic ultrasonic automatic detection crawler for exposed pipeline |
| CN103613031A (en) * | 2013-11-28 | 2014-03-05 | 国家电网公司 | Simple transformer hoisting device |
| CN203865934U (en) * | 2014-05-09 | 2014-10-08 | 国家电网公司 | Temporary suspension device of pulley lifting mechanism for electric pole |
| CN204057831U (en) * | 2014-07-18 | 2014-12-31 | 国家电网公司 | The portable lifting appliance of cement pole |
| CN205029217U (en) * | 2015-09-02 | 2016-02-10 | 国网北京市电力公司 | Overhaul test device |
| CN205387447U (en) * | 2016-03-25 | 2016-07-20 | 国网山东省电力公司济宁供电公司 | A device that equipment hoisted on was used for overhead power line pole and mounting tool thereof |
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| CN105668446A (en) | 2016-06-15 |
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