CN204696563U - A kind of live wire insulation lifter - Google Patents
A kind of live wire insulation lifter Download PDFInfo
- Publication number
- CN204696563U CN204696563U CN201520469462.8U CN201520469462U CN204696563U CN 204696563 U CN204696563 U CN 204696563U CN 201520469462 U CN201520469462 U CN 201520469462U CN 204696563 U CN204696563 U CN 204696563U
- Authority
- CN
- China
- Prior art keywords
- live wire
- ratchet
- lifter
- wire insulation
- insulating support
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 239000000725 suspension Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000002441 reversible effect Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 210000001331 nose Anatomy 0.000 claims description 3
- 239000012212 insulator Substances 0.000 description 17
- 230000002457 bidirectional effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 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
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
- 238000012797 qualification Methods 0.000 description 1
Abstract
The utility model discloses a kind of live wire insulation lifter, comprising: insulating support; Be fixed on the gear drive on the support column of described insulating support; The reversible ratchet mechanism for self-locking is provided with in described gear drive; Be suspended on the rope on described insulating support; One end of described rope is fixed on the top of described insulating support and connects movable pulley, and the other end connects the fixed pulley in described gear drive; Be fixed on described movable pulley lower end, the insulation suspension hook of support belt electric lead; Be connected with described gear drive, drive the gear of described gear drive to carry out the rocking handle rotated.This live wire insulation lifter realizes saving manpower, ensures the stability of live wire, avoids staff to contact for a long time with live wire, promote the Personal Safety of staff.
Description
Technical field
The utility model relates to distribution network live line work technical field, particularly relates to a kind of live wire insulation lifter.
Background technology
When distribution line needing Construction and Maintenance, in order to ensure the normal production of user on circuit, the electricity consumption needs of life, main line does not have a power failure, the charged operation carried out of operating personnel, i.e. distribution network live line work.In distribution network live line work, job category has four large classes, according to the requirement of constituent parts to the qualification of elementary live line working work and new job, new clothes or change pin insulator, lightning protection pillar formula insulator work become the working contents of a lot of unit, simultaneously for ensureing power supply reliability, this type of work is not put into power failure in the works usually yet.
When the charged new clothes of traditional handicraft or replacing pin insulator, lightning protection pillar formula insulator, wire departed from, put back to wire casing entirely by men hoisting.Because every base shaft tower is exhaled high different, uplift force or downforce may be there is, extremely require great effort in wire casing wire being placed back in pin insulator.And, when the charged new clothes of traditional handicraft or replacing pin insulator, lightning protection pillar formula insulator, put down live wire and easily shake later, cause dangerous spot.
Shake after preventing live wire from putting down when the charged new clothes of traditional handicraft or replacing pin insulator, lightning protection pillar formula insulator, cause dangerous spot, can insulating support be used, utilize insulating support, support fixed band electric lead.Insulating support is arranged on cross-arm, the height of insulating support is also fixing, the operating personnel carrying out live line working first by for by live wire the aluminum steel be fixed on insulator dismantle, live wire is taken out from the groove insulator, again live wire is lifted to the height equal with insulating support, be placed on insulating support, live wire is made to be in safe range, after replacing insulator, being carried off by live wire on insulating support is placed in the groove of insulator again, this whole process all needs people for going lifting and reducing live wire, relatively effort, and like this lifting and reduce live wire, then the time of contact of staff and live wire is long, risk factor is high, and insulating support installs rear firmness deficiency, run into stressed large span or the slightly easy deviation of corner, live wire is unstable, the danger that wire falls down from insulating support may be there is.
Utility model content
The purpose of this utility model is to provide a kind of live wire insulation lifter, to realize saving manpower, ensures the stability of live wire, avoids staff to contact for a long time with live wire, promote the Personal Safety of staff.
For solving the problem, the utility model provides a kind of live wire insulation lifter, comprising:
Insulating support;
Be fixed on the gear drive on the support column of described insulating support; The reversible ratchet mechanism for self-locking is provided with in described gear drive;
Be suspended on the rope on described insulating support; One end of described rope is fixed on the top of described insulating support and connects movable pulley, and the other end connects the fixed pulley in described gear drive;
Be fixed on described movable pulley lower end, the insulation suspension hook of support belt electric lead;
Be connected with described gear drive, drive the gear of described gear drive to carry out the rocking handle rotated.
Preferably, described insulating support comprises base plate, support column and crossbearer; Described support column is connected with base plate is vertical.
Preferably, the two ends at the top of described insulating support are provided with groove.
Preferably, the two ends of described crossbearer are provided with fixed pulley.
Preferably, described crossbearer is the straight frame of level.
Preferably, described crossbearer is bending frame in obtuse angle.
Preferably, described reversible ratchet mechanism comprises pawl-and-gearing.
Preferably, described ratchet and described rocking handle are fixed on same center rotating shaft, and described ratchet rotates under the rotary action of described rocking handle.
Preferably, described ratchet is provided with two rightabout ratchet pointed noses, drives described ratchet to carry out clockwise one-way movement or counterclockwise one-way movement.
A kind of live wire insulation lifter provided by the utility model, the lifter that insulated by live wire is fixed on cross-arm, when needs elevator belt electric lead, staff's rotation crank, transmission device is utilized to adjust the position of suspension hook, suspension hook is utilized directly to sling live wire, people is not needed to take out wire for going, the rotation direction arranging bidirectional ratchet mechanism is the direction of lifting hook, rotation crank lifting hook, when live wire is risen in safe range, no longer rotation crank, because bidirectional ratchet mechanism can carry out self-locking, namely rocking handle at this moment can only be allowed to do the rotation in the unidirectional direction of lifting lead wire, motionless time reverse, due to the Action of Gravity Field of conductive wire, rocking handle meeting counter motion, but bidirectional ratchet mechanism is now motionless is in the other direction in halted state, then fixed pulley is motionless, so now suspension hook is stablized motionless, then live wire is also stablized motionless.
Need to reduce live wire after the process changing insulator, the rotation direction arranging bidirectional ratchet mechanism is the direction reducing suspension hook, rotates backward rocking handle and reduces suspension hook, live wire is reduced in the groove of insulator.Whole like this process allows live wire insulation lifter promote or to reduce live wire, save manpower, avoid staff to contact for a long time with live wire, promote the Personal Safety of staff, adopt bidirectional ratchet mechanism to carry out self-locking, ensure the stability of live wire.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the live wire insulation lifter that Fig. 1 provides for the utility model embodiment;
The structural representation of the live wire insulation lifter middle gear transmission device that Fig. 2 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of live wire insulation lifter, to realize saving manpower, ensures the stability of live wire, avoids staff to contact for a long time with live wire, promote the Personal Safety of staff.
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the structural representation of the live wire insulation lifter that Fig. 1 provides for the utility model embodiment, this live wire insulation lifter comprises:
Insulating support 1;
Be fixed on the gear drive 2 on the support column of insulating support 1;
Wherein, the reversible ratchet mechanism 8 for self-locking is provided with in gear drive 2;
Be suspended on the rope 3 on insulating support 1;
Wherein, one end of rope 3 is fixed on the top of insulating support 1 and connects movable pulley 4, and the other end connects the fixed pulley 5 in gear drive 2;
Be fixed on movable pulley 4 lower end, the insulation suspension hook 6 of support belt electric lead;
Be connected with gear drive 2, the gear of driven gear transmission device 2 carries out the rocking handle 7 rotated.
Wherein, insulating support 1 comprises base plate 11, support column 12 and crossbearer 13; Support column 12 is connected with base plate 11 is vertical.
Wherein, crossbearer is bending frame in obtuse angle.
Preferably, the two ends at the top of insulating support 1 are provided with groove.
Preferably, the two ends of crossbearer 13 are provided with fixed pulley.
Preferably, crossbearer 13 also can be the straight frame of level.
Need to be described, all parts in this live wire insulation lifter, except the parts inside gear drive are metal, all the other all parts are all that insulating material is made.This live wire insulation lifter needs to be arranged on the enterprising enforcement use of cross-arm, and staff utilizes the insulation suspension hook support belt electric lead of charged insulating lifter in live line working, elevator belt electric lead.
Concrete, when rocking handle 7 rotates counterclockwise, the corresponding rotation of gear inside the gear of gear drive 2, fixed pulley 5 in gear drive 2 also rotates counterclockwise under rocking handle 7 rotates, be suspended on rope 3 on insulating support 1 under the rotary action of fixed pulley 5, rope 3 shortens, the fixed pulley 5 be connected with rope 3 starts when rope 3 shortens to rise, then be fixed on movable pulley 4 lower end, the insulation suspension hook 6 of support belt electric lead also can rise along with the rising of movable pulley 4, namely, under the effect rotated counterclockwise of rocking handle 7, insulation suspension hook 6 can promote.
When rocking handle 7 rotates clockwise, the corresponding rotation of gear inside the gear of gear drive 2, fixed pulley 5 in gear drive 2 also rotates clockwise under rocking handle 7 rotates, be suspended on rope 3 on insulating support 1 under the rotary action of fixed pulley 5, rope 3 is elongated, the fixed pulley 5 be connected with rope 3 starts when rope 3 shortens to decline, then be fixed on movable pulley 4 lower end, the insulation suspension hook 6 of support belt electric lead also can decline along with the decline of movable pulley 4, namely, under the effect rotated clockwise of rocking handle 7, insulation suspension hook 6 can decline.
When the staff of live line working carries out work, this live wire insulation lifter is arranged on cross-arm, after pulling down live wire, live wire can be suspended on the insulation suspension hook on live wire insulation lifter, insulating hanging hook live wire, such live wire can keep stable on insulation suspension hook, can not come off.Then, staff is counterclockwise swinging handle, the rising of insulation suspension hook, live wire is and then insulation suspension hook rising also, when rising in safe range, no longer turning handle, owing to being provided with the reversible ratchet mechanism for self-locking in gear drive, when handle no longer rotates, this moment reversible ratchet mechanism directly can fix rope, and such rope is fixed, and insulation suspension hook has maintained static, live wire is also motionless, remains on this lifting position.Live wire can certainly be pulled down without staff, directly remove the aluminum steel of fixed band electric lead, then direct swinging handle, suspension hook is utilized directly to sling live wire, take out live wire without staff to hang on insulation suspension hook, this step can be saved, easier.
The staff of live line working after completing live line working, need live wire to put back to original position, need live wire to decline like this.This time, the clockwise swinging handle of staff, insulation suspension hook declines, live wire is and then insulation suspension hook decline also, when behind the position dropping to required fixed band electric lead, no longer turning handle, owing to being provided with the reversible ratchet mechanism for self-locking in gear drive, when handle no longer rotates, this moment reversible ratchet mechanism directly can fix rope, and such rope is fixed, insulation suspension hook has maintained static, live wire is also motionless, and remain on the position after this moment declining, then wire fixes by staff again.
Please refer to Fig. 2, the structural representation of the live wire insulation lifter middle gear transmission device that composition graphs 1 and Fig. 2, Fig. 2 provide for the utility model embodiment.Wherein, the reversible ratchet mechanism 8 arranged in gear drive 2 comprises ratchet 22 and ratchet 21.Ratchet 21 and rocking handle 7 are fixed on same center rotating shaft, and described ratchet 21 rotates under the rotary action of described rocking handle.Described ratchet 22 is provided with two rightabout ratchet pointed noses, drives described ratchet to carry out clockwise one-way movement or counterclockwise one-way movement.
Concrete, in the process that live wire rises, handle 7 rotates counterclockwise, use the ratchet tip 31 at the position, top of ratchet 22, allow ratchet tip 31 and ratchet 22 be affixed, ratchet 22 is that the ratchet tip 31 at the position, top that against ratchet 22 carries out rotating, and now the ratchet tip 31 at position, top is the rotation not limiting ratchet 22, allow ratchet 22 to rotate counterclockwise, do not block ratchet 22.After rocking handle drives insulation suspension hook to rise to safe range counterclockwise, no longer rise, stop operating, this moment, release handle, under the Action of Gravity Field of live wire, ratchet 22 should rotate clockwise, but ratchet 22 is now fit with the ratchet tip 31 at the position, top of ratchet 22, the ratchet tip 1 at the position, top of ratchet 22 refers to allow ratchet 22 to rotate counterclockwise, ratchet 22 is not allowed to rotate clockwise, if ratchet 22 rotates clockwise, the ratchet tip 31 at the position, top of ratchet 22 will block ratchet 22, ratchet 22 is stoped to rotate counterclockwise, at this time under the Action of Gravity Field of live wire, ratchet 22 rotates clockwise, the ratchet tip 31 at the position, top of ratchet 22 blocks ratchet 22, ratchet 22 no longer rotates, reversible ratchet mechanism 8 self-locking, fixed pulley 5 does not also rotate, keep fixing, then wire has also maintained static, suspension hook keeps this moment highly motionless, live wire also keeps this moment highly motionless.
In the process that live wire declines, handle 7 rotates clockwise, use the ratchet tip 32 of the lower portion of ratchet 22, ratchet tip 32 and ratchet 22 is allowed to be affixed, ratchet 22 is that the ratchet tip 32 of the lower portion that against ratchet 22 carries out rotating, now the ratchet tip 32 of lower portion is the rotation not limiting ratchet 22, allows ratchet 22 to rotate clockwise, does not block ratchet 22.After rocking handle drives insulation suspension hook to drop to desired location clockwise, no longer decline, stop operating, this moment, reset, position, the top ratchet tip 32 of ratchet 22 is allowed to be affixed with ratchet 22, release handle, under the Action of Gravity Field of live wire, ratchet 22 should rotate clockwise, but ratchet 22 is now fit with the ratchet tip 31 at the position, top of ratchet 22, the ratchet tip 31 at the position, top of ratchet 22 refers to allow ratchet 22 to rotate counterclockwise, ratchet 22 is not allowed to rotate clockwise, if ratchet 22 rotates clockwise, the ratchet tip 31 at the position, top of ratchet 22 will block ratchet 22, ratchet 22 is stoped to rotate counterclockwise, at this time under the Action of Gravity Field of live wire, ratchet 22 rotates clockwise, the ratchet tip 31 at the position, top of ratchet 22 blocks ratchet 22, ratchet 22 no longer rotates, reversible ratchet mechanism 8 self-locking, fixed pulley 5 does not also rotate, keep fixing, then wire has also maintained static, suspension hook keeps this moment highly motionless, live wire also keeps this moment highly motionless.
A kind of live wire insulation lifter provided by the utility model, the lifter that insulated by live wire is fixed on cross-arm, when needs elevator belt electric lead, staff's rotation crank, transmission device is utilized to adjust the position of suspension hook, suspension hook is utilized directly to sling live wire, people is not needed to take out wire for going, the rotation direction arranging bidirectional ratchet mechanism is the direction of lifting hook, rotation crank lifting hook, when live wire is risen in safe range, no longer rotation crank, because bidirectional ratchet mechanism can carry out self-locking, namely rocking handle at this moment can only be allowed to do the rotation in the unidirectional direction of lifting lead wire, motionless time reverse, due to the Action of Gravity Field of conductive wire, rocking handle meeting counter motion, but bidirectional ratchet mechanism is now motionless is in the other direction in halted state, then fixed pulley is motionless, so now suspension hook is stablized motionless, then live wire is also stablized motionless.
Need to reduce live wire after the process changing insulator, the rotation direction arranging bidirectional ratchet mechanism is the direction reducing suspension hook, rotates backward rocking handle and reduces suspension hook, live wire is reduced in the groove of insulator.Whole like this process allows live wire insulation lifter promote or to reduce live wire, save manpower, avoid staff to contact for a long time with live wire, promote the Personal Safety of staff, adopt bidirectional ratchet mechanism to carry out self-locking, ensure the stability of live wire.
Above a kind of live wire insulation lifter provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (9)
1. a live wire insulation lifter, is characterized in that, comprising:
Insulating support;
Be fixed on the gear drive on the support column of described insulating support; The reversible ratchet mechanism for self-locking is provided with in described gear drive;
Be suspended on the rope on described insulating support; One end of described rope is fixed on the top of described insulating support and connects movable pulley, and the other end connects the fixed pulley in described gear drive;
Be fixed on described movable pulley lower end, the insulation suspension hook of support belt electric lead;
Be connected with described gear drive, drive the gear of described gear drive to carry out the rocking handle rotated.
2. live wire insulation lifter as claimed in claim 1, it is characterized in that, described insulating support comprises base plate, support column and crossbearer; Described support column is connected with base plate is vertical.
3. live wire insulation lifter as claimed in claim 1, it is characterized in that, the two ends at the top of described insulating support are provided with groove.
4. live wire insulation lifter as claimed in claim 2, it is characterized in that, the two ends of described crossbearer are provided with fixed pulley.
5. live wire insulation lifter as claimed in claim 2, it is characterized in that, described crossbearer is the straight frame of level.
6. live wire insulation lifter as claimed in claim 2, it is characterized in that, described crossbearer is bending frame in obtuse angle.
7. the live wire insulation lifter as described in claim 5 or 6, it is characterized in that, described reversible ratchet mechanism comprises pawl-and-gearing.
8. live wire insulation lifter as claimed in claim 7, it is characterized in that, described ratchet and described rocking handle are fixed on same center rotating shaft, and described ratchet rotates under the rotary action of described rocking handle.
9. live wire insulation lifter as claimed in claim 7, is characterized in that, described ratchet is provided with two rightabout ratchet pointed noses, drive described ratchet to carry out clockwise one-way movement or counterclockwise one-way movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469462.8U CN204696563U (en) | 2015-07-02 | 2015-07-02 | A kind of live wire insulation lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469462.8U CN204696563U (en) | 2015-07-02 | 2015-07-02 | A kind of live wire insulation lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204696563U true CN204696563U (en) | 2015-10-07 |
Family
ID=54236816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520469462.8U Active CN204696563U (en) | 2015-07-02 | 2015-07-02 | A kind of live wire insulation lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204696563U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901230A (en) * | 2015-07-02 | 2015-09-09 | 国家电网公司 | Live wire insulated lifter |
| CN105375389A (en) * | 2015-11-30 | 2016-03-02 | 国网北京市电力公司 | Wire fixing device |
| CN107546640A (en) * | 2017-08-25 | 2018-01-05 | 嘉善恒兴电力建设有限公司 | A kind of overhead-groundwire lifter |
| CN107732767A (en) * | 2017-10-16 | 2018-02-23 | 国网浙江嵊州市供电有限公司 | The adjustable pillar insulator live replacing device of gear-rack drive |
-
2015
- 2015-07-02 CN CN201520469462.8U patent/CN204696563U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901230A (en) * | 2015-07-02 | 2015-09-09 | 国家电网公司 | Live wire insulated lifter |
| CN105375389A (en) * | 2015-11-30 | 2016-03-02 | 国网北京市电力公司 | Wire fixing device |
| CN105375389B (en) * | 2015-11-30 | 2017-09-29 | 国网北京市电力公司 | Wire fixing device |
| CN107546640A (en) * | 2017-08-25 | 2018-01-05 | 嘉善恒兴电力建设有限公司 | A kind of overhead-groundwire lifter |
| CN107732767A (en) * | 2017-10-16 | 2018-02-23 | 国网浙江嵊州市供电有限公司 | The adjustable pillar insulator live replacing device of gear-rack drive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104901230A (en) | Live wire insulated lifter | |
| CN204696563U (en) | A kind of live wire insulation lifter | |
| CN202490344U (en) | Anti-falling device | |
| CN203998746U (en) | Portable suspension installation | |
| CN202643164U (en) | Tower crane capable of quickly assembling and disassembling balance weight and balance weight | |
| CN202880719U (en) | Olecranon-shaped arm head of hoisting multiplying power winding rope of movable arm tower-type crane | |
| CN201778531U (en) | Fixing base of auxiliary embraced bar | |
| CN203728474U (en) | Substation special elevator | |
| CN215048266U (en) | Lifting machine for fire engineering | |
| CN203445481U (en) | Sling specialized for replacing whole 66-kilovolt isolating switch set | |
| CN205123134U (en) | Lead wire fixing device | |
| CN108466938A (en) | A kind of transformer on-load voltage regulating tap switch boom hoisting | |
| CN212669044U (en) | A insulating ladder rack for workshop of power plant | |
| CN210885077U (en) | Building construction hoisting device | |
| CN209685263U (en) | A kind of air hose mounting platform based on BIM technology | |
| CN206438980U (en) | Slide carry insulated hook ladder | |
| CN201713254U (en) | Lifting system used on pole and pole system | |
| CN206828867U (en) | A kind of un-bonded prestressed steel strand take-up | |
| CN207131151U (en) | A kind of power cord bar | |
| CN202897730U (en) | Tilting type freight ladder capable of adjusting angle | |
| CN206211404U (en) | One kind changes the light-duty auxiliary hitch of bunch of insulator | |
| CN208539341U (en) | A kind of fixation device for low voltage AC contactor | |
| CN213356873U (en) | Cement hoisting accessory for thoughtlessly congeal mixing plant | |
| CN203871743U (en) | Iron tower overhead grounding wire elevator | |
| CN210577326U (en) | Auxiliary device for mounting electric high-low voltage power distribution cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |