CN108529471A - Portable overhead ground wire lifting device - Google Patents
Portable overhead ground wire lifting device Download PDFInfo
- Publication number
- CN108529471A CN108529471A CN201810544232.1A CN201810544232A CN108529471A CN 108529471 A CN108529471 A CN 108529471A CN 201810544232 A CN201810544232 A CN 201810544232A CN 108529471 A CN108529471 A CN 108529471A
- Authority
- CN
- China
- Prior art keywords
- screw
- pawl
- ratchet
- connecting rod
- spanner frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to power construction apparatus, more particularly to a kind of portable overhead ground wire lifting device.In suspension deck（1）It is equipped with bayonet（1‑1）, hanging pin slot（1‑2）, screw activity slot（1‑3）, hang the screw activity slot of deck right end（1‑3）Interior activity inserting screw（10）, screw（10）Both sides correspond to be fixed with two hanging pins（10‑1）, lead screw（9）Upper end on fixed ratchet is housed（8）, pawl connecting rod（5）External end head be inserted into pawl direction adjusting knob（4）Middle to be fixed with positioning pin, the inner end of pawl direction adjusting knob sets the adjusting knob slotting platform there are one triangle, ratchet spanner frame（7）Upper surface circular groove in bolt fix dress there are one ratchet spanner frame upper cover（6）, lead screw（9）With screw telescopic bar（11）Thread rotary orientation it is opposite.It is lifted by crane using two point, solves the imbalance problem during lifting；Leading screw uses the double-spiral structure of the combination of inner and outside, increases lifting stroke.
Description
Technical field
The invention belongs to power construction apparatus, more particularly to a kind of portable overhead ground wire lifting device.
Background technology
Aerial earth wire is to protect transmission line of electricity from the important leverage of lightning strike accident, for a long time by the severe day such as strong wind, thunderstorm
Gas influences, and under wind effect, the frequent irregular fluctuation of aerial earth wire and vibrations cause carrying aerial earth wire for a long time
Gold utensil serious wear.If finding and being replaced not in time, it will cause gold utensil to be broken, cause aerial earth wire fall off and with lead
The major accident of line electric discharge, and during replacing aerial earth wire carrying gold utensil, it needs aerial earth wire to be promoted, and it is existing
It is manually to be promoted that aerial earth wire, which promotes one, second is that being promoted by manual zipper calabash, both method for improving are cumbersome and time consuming,
Labor intensity is also big, and working efficiency is also low, and the existing tool heaviness for replacing aerial earth wire carrying gold utensil and operational method are multiple
It is miscellaneous to fall behind relatively, it is difficult to meet the needs of aerial earth wire carrying hardware fitting replacement.
Invention content
It is an object of the invention to overcome above-mentioned technical deficiency, provide it is a kind of simple in structure, can improve operation quality and
Working efficiency, safe and reliable portable overhead ground wire lifting device.
The present invention solve technical problem the technical solution adopted is that：Portable overhead ground wire lifting device include remove, it is tight
Fixing bolt, suspension hook, screw hang deck its main feature is that being equipped with bayonet, hanging pin slot, screw activity slot on suspension deck
Left end correspond to bayonet upper surface be threadedly coupled a fastening bolt, hang deck right end screw activity slot in activity insert
Screw is filled, the both sides of screw, which correspond to, is fixed with two hanging pins, and the hanging pin that two hanging pins are suspended on suspension deck right end respectively is slitted
On slot, screw is threadedly coupled lead screw, is fixed on the upper end of lead screw and ratchet is housed, and the outside of ratchet is set with a ratchet spanner
Frame, pawl connecting rod mounting hole on ratchet spanner frame is built-in, and there are one pawls, are passed between the inner end of pawl and the ratchet of ratchet
Dynamic connection, the pawl connecting rod of pawl outer end are installed in the pawl connecting rod mounting hole of ratchet spanner frame, the spine of pawl upper end
A resetting spring is set in pawl connecting rod, one end of resetting spring is installed on the shoulder of pawl connecting rod, resetting spring
The other end is installed on the end face of pawl guide sleeve, and pawl guide sleeve fixes the pawl connecting rod mounting hole for being installed on ratchet spanner frame
Outer end, the external end head of pawl connecting rod is inserted into the adjusting knob of pawl direction to be fixed with positioning pin, pawl direction adjusting knob it is interior
End sets the adjusting knob slotting platform there are one triangle, and adjusting knob slotting platform is placed in triangle slot, and triangle slot is arranged in ratchet
With bolt fixing dress on spanner frame, in the circular groove of the upper surface of ratchet spanner frame, there are one ratchet spanner frame upper cover, ratchets
It is threadedly coupled one on spanner frame left side and removes handle, screw lower end is threadedly coupled a screw telescopic bar, lead screw and screw telescopic
The thread rotary orientation of bar is on the contrary, the lower end of screw telescopic bar is fixedly connected with a suspension hook seat, with suspension hook lock shaft connection dress on suspension hook seat
There are one suspension hook, anticreep shrapnel is housed on suspension hook.
The beneficial effects of the invention are as follows：Portable overhead ground wire lifting device is simple in structure, can be assembled and splits, uses unskilled labourer
Tool packet, which can load, to be convenient for carrying.It is lifted by crane using two point, solves the imbalance problem during lifting, without in addition taking guarantor
Shield measure, securely and reliably；Leading screw uses the double-spiral structure of the combination of inner and outside, increases lifting stroke；Suspension centre is located at hitch point
Top, it is unrestricted that leading screw can promote length.The repair time can be saved, the labor intensity of operating personnel is reduced, improves
Operation quality and working efficiency.
Description of the drawings
It is illustrated with embodiment below in conjunction with attached drawing.
Fig. 1 is portable overhead ground wire lifting device structural front view.
Fig. 2 is the right side view of Fig. 1.
Fig. 3 is the A-A sectional views in Fig. 1.
In figure, 1- hangs deck；1-1- bayonets；1-2- hanging pin gap；1-3- screw activity slots；2- removes handle；3- is fastened
Bolt；4- pawls direction adjusting knob；4-1- adjusting knob slotting platforms；5- pawl connecting rods；5-1- pawls；6- ratchet spanner frame upper covers；
7- ratchet spanner framves；7-1- triangle slots；7-2- pawl connecting rod mounting holes；8- ratchets；9- lead screws；10- screws；10-1-
Hanging pin；11- screw telescopic bars；11-1- suspension hook seats；12- suspension hook lock shafts；13- anticreep shrapnels；14- suspension hooks；15- pawl connecting rods
Guide sleeve；16- resetting springs.
Specific implementation mode
Embodiment is respectively equipped with bayonet 1- with reference to attached drawing 1-3 on the suspension deck 1 of portable overhead ground wire lifting device
1, the left end of hanging pin gap 1-2, nut activity slot 1-3, suspension deck 1 correspond to the upper surface threaded connection one of bayonet 1-1
Fastening bolt 3 hangs activity inserting screw 10 in the screw activity slot 1-3 of 1 right end of deck, and the both sides of screw 10, which correspond to, to be fixed
If there are two hanging pin 10-1, two hanging pin 10-1 are suspended on respectively on the hanging pin gap 1-2 of suspension 1 right end of deck.10 spiral shell of screw
Line connection wire rod 9, fixed on the upper end of lead screw 9 that ratchet 8 is housed, the outside of ratchet 8 is set with a ratchet spanner frame 7, ratchet
Pawl connecting rod mounting hole 7-2 on spanner frame 7 is built-in there are one pawl 5-1, and the outer end of pawl 5-1 connects pawl connecting rod 5,
It is sequentially connected between the inner end and the ratchet of ratchet 8 of pawl 5-1, the pawl connecting rod 5 of the outer end of pawl 5-1 is installed on ratchet and removes
In the pawl connecting rod mounting hole 7-2 of hand cradle 7.A resetting spring 16 is set in the pawl connecting rod 5 of the outer ends pawl 5-1, it is multiple
One end of position spring 16 is installed on the shoulder of pawl connecting rod 5, and the other end of resetting spring 16 is installed on pawl guide sleeve 15
On end face.Pawl guide sleeve 15 fixes the one end for the pawl connecting rod mounting hole 7-2 for being installed on ratchet wrench hand cradle 7, and pawl 5-1's is outer
The external end head of the pawl connecting rod 5 at end is inserted into pawl direction adjusting knob 4 and is fixed with positioning pin.Pawl direction adjusting knob 4
Inner end sets the adjusting knob slotting platform 4-1 there are one triangle, and adjusting knob slotting platform 4-1 is placed in triangle slot 7-1, triangle slot
7-1 is arranged on ratchet spanner frame 7.With bolt fixing dress in circular groove on the upper surface of ratchet spanner frame 7, there are one spine
Spanner frame upper cover 6 is taken turns, one is threadedly coupled on 7 left side of ratchet spanner frame and is removed 2,9 lower thread of lead screw connects a screw thread
Telescopic rod 11, lead screw 9 is with the thread rotary orientation of screw telescopic bar 11 on the contrary, the lower end of screw telescopic bar 11 is fixedly connected with a suspension hook
It uses suspension hook lock shaft 12 to connect suspension hook 14 there are one dresses on seat 11-1, suspension hook seat 11-1, anticreep shrapnel 13 is housed on suspension hook 14.
The application method of portable overhead ground wire lifting device is：In use, being lifted by crane using double lifting point, respectively just by two sets
The suspension deck 1 for taking formula overhead ground wire lifting device is fixed on the both sides of aerial earth wire Zhi Tie by fastening bolt 3, simultaneously in a word
Row, are threadedly coupled lead screw 9 by screw 10 respectively, and lead screw 9 is threadedly coupled screw telescopic bar 11, hanging on screw telescopic bar 11 respectively
Hook seat 11-1 is fixedly connected with suspension hook 14 with suspension hook lock shaft 12 respectively.Then the hanging pin 10-1 on screw 10 is suspended on hanging pin respectively
On gap 1-2, it is set with ratchet spanner frame 7 in the outside of the ratchet 8 of 9 upper end of lead screw and on screw lock fixed ratchet wheel spanner frame
Lid 6.Respectively pawl direction adjusting knob 4 is adjusted to rotation direction counterclockwise, while driving pawl spanner frame 7 counterclockwise removes handle respectively
2, suspension hook 14 is fallen to respectively below overhead line after hooking overhead line and limited with anticreep shrapnel 13, thereafter adjusts pawl direction
Button 4 is adjusted to clockwise, while driving pawl wrench rack 7 clockwise is removed 2 respectively, make suspension hook 14 together with overhead line to
On lift, carry stress after, implement aerial earth wire carrying gold utensil replacement, pawl direction adjusting knob 4 is adjusted respectively again after replacement
Section is to rotation direction counterclockwise, while driving pawl spanner frame 7 counterclockwise is removed 2 respectively, makes the drive of suspension hook 14 aerial earth wire slowly
It falls, so that aerial earth wire wire clamp stress is restored as former state, work finishes.
Claims (4)
1. a kind of portable overhead ground wire lifting device, including remove handle（2）, fastening bolt（3）, suspension hook（14）, screw（10）,
It is characterized in that in suspension deck（1）It is equipped with bayonet（1-1）, hanging pin slot（1-2）, screw activity slot（1-3）, hang deck
（1）Left end correspond to bayonet（1-1）Upper surface be threadedly coupled a fastening bolt（3）, hang deck（1）The screw of right end is lived
Dynamic slot（1-3）Interior activity inserting screw（10）, screw（10）Both sides correspond to be fixed with two hanging pins（10-1）, two extensions
Pin（10-1）It is suspended on suspension deck respectively（1）The hanging pin slot of right end（1-2）On, screw（10）It is threadedly coupled lead screw（9）, silk
Bar（9）Upper end on fixed ratchet is housed（8）, ratchet（8）Outside be set with a ratchet spanner frame（7）, ratchet spanner frame
（7）On pawl connecting rod mounting hole（7-2）It is built-in that there are one pawls（5-1）, pawl（5-1）The pawl connecting rod of upper end（5）
One resetting spring of upper suit（16）, pawl connecting rod（5）External end head be inserted into pawl direction adjusting knob（4）In use positioning pin
It is fixed, pawl direction adjusting knob（4）Inner end set the adjusting knob slotting platform there are one triangle（4-1）, adjusting knob slotting platform（4-1）It sets
In triangle slot（7-1）It is interior, triangle slot（7-1）It is arranged in ratchet spanner frame（7）On, ratchet spanner frame（7）Upper end
With bolt fixing dress in the circular groove in face, there are one ratchet spanner frame upper covers（6）, ratchet spanner frame（7）Screw thread connects on left side
It connects one and removes handle（2）, lead screw（9）Lower thread connects a screw telescopic bar（11）, lead screw（9）With screw telescopic bar（11）'s
Thread rotary orientation is opposite.
2. portable overhead ground wire lifting device according to claim 1, is very characterized in that, pawl（5-1）Inner end with
Ratchet（8）Ratchet between be sequentially connected, pawl（5-1）The pawl connecting rod of outer end（5）It is installed on ratchet spanner frame（7）Spine
Pawl connecting rod mounting hole（7-2）In.
3. portable overhead ground wire lifting device according to claim 1, is very characterized in that, resetting spring（16）One end
It is installed on pawl connecting rod（5）Shoulder on, resetting spring（16）The other end be installed on pawl guide sleeve（15）End face on, spine
Pawl guide sleeve（15）Fixation is installed on ratchet spanner frame（7）Pawl connecting rod mounting hole（7-2）Outer end.
4. portable overhead ground wire lifting device according to claim 1, is very characterized in that, screw telescopic bar（11）Under
End is fixedly connected with a suspension hook seat（11-1）, suspension hook seat（11-1）It is upper to use suspension hook lock shaft（12）There are one suspension hooks for connection dress（14）,
Suspension hook（14）It is upper that anticreep shrapnel is housed（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544232.1A CN108529471A (en) | 2018-05-31 | 2018-05-31 | Portable overhead ground wire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544232.1A CN108529471A (en) | 2018-05-31 | 2018-05-31 | Portable overhead ground wire lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108529471A true CN108529471A (en) | 2018-09-14 |
Family
ID=63473079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544232.1A Pending CN108529471A (en) | 2018-05-31 | 2018-05-31 | Portable overhead ground wire lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108529471A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941911A (en) * | 2019-04-01 | 2019-06-28 | 安徽工程大学 | A kind of novel double-screw formula lifter |
| CN111110097A (en) * | 2019-12-29 | 2020-05-08 | 苏州路之遥科技股份有限公司 | Detachable heating toilet seat |
| CN111834953A (en) * | 2020-08-11 | 2020-10-27 | 中国南方电网有限责任公司超高压输电公司柳州局 | Ground wire mechanical power climbing device |
| CN114188879A (en) * | 2021-11-29 | 2022-03-15 | 广西电网有限责任公司桂林供电局 | Device with balanced ground wire, optical cable tension and lifting function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565361Y (en) * | 2002-07-27 | 2003-08-13 | 魏永兴 | Wind-proof airer |
| CN102237655A (en) * | 2011-07-05 | 2011-11-09 | 河南省电力公司洛阳供电公司 | Method and tool for lifting overhead ground wire |
| CN202190019U (en) * | 2011-07-05 | 2012-04-11 | 河南省电力公司洛阳供电公司 | Aerial earth wire ratchet wrench type two-point lifting tool |
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN105731244A (en) * | 2016-03-15 | 2016-07-06 | 长治清华机械厂 | Lifting hook dropping-prevention device |
| CN105819359A (en) * | 2016-04-21 | 2016-08-03 | 安徽九华机械股份有限公司 | Chain block |
| CN206033030U (en) * | 2016-08-31 | 2017-03-22 | 浙江华鑫起重机械有限公司 | Wire rope unhooking -prevention device |
| CN206422456U (en) * | 2016-12-30 | 2017-08-18 | 国家电网公司 | A kind of super UHV Overhead Transmission Line tangent tower ground wire lifting tool |
| CN208265678U (en) * | 2018-05-31 | 2018-12-21 | 国家电网公司 | Portable overhead ground wire lifting device |
-
2018
- 2018-05-31 CN CN201810544232.1A patent/CN108529471A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565361Y (en) * | 2002-07-27 | 2003-08-13 | 魏永兴 | Wind-proof airer |
| CN102237655A (en) * | 2011-07-05 | 2011-11-09 | 河南省电力公司洛阳供电公司 | Method and tool for lifting overhead ground wire |
| CN202190019U (en) * | 2011-07-05 | 2012-04-11 | 河南省电力公司洛阳供电公司 | Aerial earth wire ratchet wrench type two-point lifting tool |
| CN103779809A (en) * | 2014-02-20 | 2014-05-07 | 国家电网公司 | Tool special for electrically adjusting gap between double split sub-conductors and working method |
| CN105731244A (en) * | 2016-03-15 | 2016-07-06 | 长治清华机械厂 | Lifting hook dropping-prevention device |
| CN105819359A (en) * | 2016-04-21 | 2016-08-03 | 安徽九华机械股份有限公司 | Chain block |
| CN206033030U (en) * | 2016-08-31 | 2017-03-22 | 浙江华鑫起重机械有限公司 | Wire rope unhooking -prevention device |
| CN206422456U (en) * | 2016-12-30 | 2017-08-18 | 国家电网公司 | A kind of super UHV Overhead Transmission Line tangent tower ground wire lifting tool |
| CN208265678U (en) * | 2018-05-31 | 2018-12-21 | 国家电网公司 | Portable overhead ground wire lifting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941911A (en) * | 2019-04-01 | 2019-06-28 | 安徽工程大学 | A kind of novel double-screw formula lifter |
| CN111110097A (en) * | 2019-12-29 | 2020-05-08 | 苏州路之遥科技股份有限公司 | Detachable heating toilet seat |
| CN111834953A (en) * | 2020-08-11 | 2020-10-27 | 中国南方电网有限责任公司超高压输电公司柳州局 | Ground wire mechanical power climbing device |
| CN114188879A (en) * | 2021-11-29 | 2022-03-15 | 广西电网有限责任公司桂林供电局 | Device with balanced ground wire, optical cable tension and lifting function |
| CN114188879B (en) * | 2021-11-29 | 2024-01-05 | 广西电网有限责任公司桂林供电局 | Device with balanced ground wire, optical cable tension and hoisting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108529471A (en) | Portable overhead ground wire lifting device | |
| CN201904568U (en) | Overhead ground wire lifting device | |
| CN206134977U (en) | Convenient insulating earth bar | |
| CN207339088U (en) | Transmission line of electricity straight line pole aerial earth wire overhauls stent | |
| CN208265678U (en) | Portable overhead ground wire lifting device | |
| CN109731251A (en) | A kind of fixation type safety that operating efficiency is high band suspension arrangement | |
| CN201171148Y (en) | Machine for supporting overhead pround wire | |
| CN105811312A (en) | Bottle-supporting and line-tightening tool for replacing tension insulator of distribution line and application method thereof | |
| CN202190018U (en) | Overhead ground wire ratchet wrench wire-lifting tool | |
| CN205377163U (en) | General type 500kV overhead earth wire carries ply -yarn drill utensil | |
| CN201663250U (en) | Turnable grounding wire hook | |
| CN211480746U (en) | Ground wire lifter operating by utilizing ground wire cross arm angle steel | |
| CN205377164U (en) | Special fixture of large -tonnage II type suspension insulator wire end | |
| CN107546640A (en) | A kind of overhead-groundwire lifter | |
| CN209641806U (en) | Small portable antenna | |
| CN206332377U (en) | A kind of eccentric card tightener for changing aerial earth wire gold utensil and insulator | |
| CN208516850U (en) | A kind of cement rod-type power transmission line overhead ground wire auxiliary device | |
| CN208835589U (en) | A kind of super, extra-high voltage earth potential working platform | |
| CN203423430U (en) | Insulator maintenance device | |
| CN208342675U (en) | A kind of livewire work bolt-tightening tool | |
| CN208369071U (en) | Large pitch distribution line replacement top shelves device simple device | |
| CN101764376A (en) | Wire stretcher | |
| CN207530444U (en) | A kind of double bundle conductor conductor spacer installs auxiliary rod | |
| CN111048922A (en) | Universal hook type ground wire operating rod | |
| CN108639989A (en) | A kind of cement rod-type power transmission line overhead ground wire auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180914 |
|
| WD01 | Invention patent application deemed withdrawn after publication |