CN107749584A - A kind of transformer breather replacing auxiliary stand - Google Patents
A kind of transformer breather replacing auxiliary stand Download PDFInfo
- Publication number
- CN107749584A CN107749584A CN201711016979.1A CN201711016979A CN107749584A CN 107749584 A CN107749584 A CN 107749584A CN 201711016979 A CN201711016979 A CN 201711016979A CN 107749584 A CN107749584 A CN 107749584A
- Authority
- CN
- China
- Prior art keywords
- fixed
- outer tube
- hole
- bore
- auxiliary stand
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000004072 lung Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
A kind of transformer breather replacing auxiliary stand of the present invention, including support, fixed mechanism, protection mechanism and lift mechanism, the comparative overall length of the inner and outer tubes of support is adjusted by adjusting rod, to facilitate the position adjustments in respirator replacing, conveniently remove respirator, fixed mechanism is then to be fixed on transformer pipeline to fix whole auxiliary stand by hinge, the U-shaped support bore of lift mechanism is adjusted by bore regulation, to adapt to the respirator of different model, guard circle and velcro in protection mechanism is after U-shaped hold, surround again, play a part of secondary protection；The present invention is reasonable in design, in light weight, is easy for installation and removal, and can adjust up and down, respirator is conveniently removed, the bore of crucial U-shaped support can be adjusted, and adaptability is wider, in work of transformer substation, there is good practicality and application prospect, there is promotional value.
Description
Technical field
The present invention relates to transformer technology field, and in particular to a kind of transformer breather replacing auxiliary stand.
Background technology
Respirator is the important component of transformer, and when transformer oil level changes, the air in conservator, which need to pass through, exhales
Haustorium sucks or discharge.The dust that respirator is crossed in air filtering by oil sealing, by silica gel absorption moisture, so as to into transformation
Purification is dried in the air of device, plays a part of preventing the oil degradation that insulate.Become in respirator after silica gel absorption moisture by blueness
For pink, need to change respirator when the volume that changes colour reaches 2/3.When carrying out respirator replacing at the scene, exist
Problems with：
1st, respirator is lifted on the pipeline of conservator, is come off for anti-breather when dismantling screw and is held, it is necessary to increase by a people
Respirator, which coordinates, to be completed.
2nd, respirator installation site is higher, and cobblestone is covered with transformer, ground out-of-flatness, need to be by exhausted during work
Edge stool or double ladder, the limitation in space are unfavorable for two people work.
3rd, respirator, which fills silica gel, has larger deadweight, and it is very laborious to live nominal 5kg respirator with hand rest, lifts for a long time
Staff can be caused tired.
The content of the invention
It is right in respirator Renewal process it is an object of the invention to provide a kind of transformer breather replacing auxiliary stand
Respirator is fixed temporarily, is solved the problems, such as to need two people to need manpower to lift with merging, is more convenient Renewal process.
What the present invention was achieved through the following technical solutions：
A kind of transformer breather replacing auxiliary stand, it is characterised in that including support, fixed mechanism, protection mechanism and support
Lift mechanism；
The support includes outer tube, inner tube, adjusting rod and fixed plate, and the outer tube is hollow structure, and the internal diameter of the outer tube omits
More than the external diameter of said inner tube, said inner tube is linked in the inside of the outer tube；The inwall of said inner tube is provided with internal thread, institute
Internal thread is stated to be evenly distributed on the length direction of said inner tube；The fixed plate is fixedly mounted on the lower end of said inner tube, institute
Stating adjusting rod includes regulation handle and adjusting screw rod, and the size of the adjusting screw rod and the internal thread are screw thread matching relationship,
The regulation handle is by the adjustable upper end for being fixed on the adjusting screw rod of screw thread, and the lower end of the adjusting screw rod is through described
Outer tube, the internal thread and the fixed plate and tie spacer, nut realization fastening；
The fixed mechanism is fixedly installed on the top of the outer tube, and the fixed mechanism includes connecting rod, hinge, fixed spiral shell
Silk, the connecting rod is horizontal positioned and one end is fixed on the outer tube, on the other end of the connecting rod described in fixed installation
Hinge, the hinge include fixed part and movable part, and one end of one end of the fixed part and the movable part is is flexibly connected
Relation, the centre position of the fixed part are fixed in the connecting rod, the other end point of the fixed part and the movable part
Not She You fixed platform, the fixed platform is relativeness, is realized between the fixed platform by the fixed screw solid
Fixed connection；
The protection mechanism is fixedly installed on the bottom of the outer tube, and the protection mechanism includes guard circle and velcro, institute
It is semi-circular structure to state guard ring, and the guard ring is horizontal positioned and centre position is fixed on the outer tube, the guard ring
Realize and be flexibly connected with the both ends of the velcro in both ends；
The lift mechanism is fixedly installed on the outer tube, and the lift mechanism includes U-shaped support and bore set screw, the U
Type support includes the first bracket and the second bracket, and half U type support and fixation are respectively equipped with first bracket and second bracket
Frame, the half U type support and the fixed mount are integral type structure, and the half U type support is oppositely arranged composition U-shape structure, described solid
Determine structure of the frame for section in inverted L shape, the fixed mount is provided with through hole, and the through hole is located at the upper surface of the fixed mount,
The through hole is oval elongated hole, and the fixed mount is superimposed up and down to be set and positioned in the lower end of the fixed plate, the regulation spiral shell
Bar is fastened after running through the through hole；Tapped through hole is additionally provided with the fixed mount, the tapped through hole is located at the fixation
The side of frame, the structure of the structure of the tapped through hole and the bore set screw is matching relationship, and the bore adjusts spiral shell
Silk is through the tapped through hole and is threadably secured；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, spring, the bullet are cased with the bore set screw
Spring is between described two fixed mounts；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, the fixed mechanism, the protection mechanism and the support
Lift the same side that mechanism is located at the support；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, nut is additionally provided with the bore set screw, it is described
Nut is located at the outside of the fixed mount and the adjustable end of thread for being fixed on the bore adjusting nut.
During use：1.U types support is provided with elliptical hole, by adjust bore set screw can two brackets occur it is relative
Displacement, it is set to be consistent with the diameter of respirator oil cylinder so as to adjust the bore of U-shaped support；2. fixed mechanism is fixed on connection breathing
On the transformer pipeline of device, that is, fixed screw is unclamped, allow the movable part activity of hinge and be fastened on pipeline periphery, then will
Movable part, to it, is locked with fixed screw with fixed part, fixed structure is closely locked together on pipeline；3. adjust the tune of adjusting rod
Handle is saved, regulation handle moves up and down along adjusting screw rod, is changed so as to the overall length of inner and outer tubes, holds U-shaped support and exhales
Haustorium, then lung ventilator is surrounded with velcro, prevent from coming off；4. normally dismounting respirator；5. adjusting regulation handle, make U-shaped support
Move down, facilitate respirator to remove, then unclamp velcro, lung ventilator is removed from side；6. by change silica gel after respirator or
New respirator is placed on auxiliary stand, is surrounded with velcro, and regulation regulation handle is so as to adjusting respirator to correct position simultaneously
Fastening；7. respirator is installed；8. removing auxiliary stand, completion more changes jobs.
The present invention has effect following prominent：
1. the auxiliary stand is in light weight, on transformer pipeline, do not limited by whether ground is smooth；
2. the auxiliary stand realizes one man operation, it is not required to set up personnel and lifts respirator, reduce worker workload, solve
The problem of working site space limits；
3. the auxiliary stand can fix respirator temporarily and prevent it from coming off；
4. the auxiliary stand can be adjusted up and down, respirator is conveniently removed；
5. the auxiliary stand caliber size can be adjusted, suitable for the respirator of Multiple Type；
6. having good practicality in the auxiliary stand transformer station real work, there is good application prospect.
Brief description of the drawings
Fig. 1 front views of the present invention.
Fig. 2 left views of the present invention.
Fig. 3 top views of the present invention.
Enlarged drawing at Fig. 4 I of the present invention.
The second bracket front view of Fig. 5 present invention.
The second bracket top view of Fig. 6 present invention.
The inner tube top view of Fig. 7 present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing, so as to the structure to the present invention
The technical problem think, solved, the technique effect for forming the technical characteristic of technical scheme and bringing have further understanding, need
It is noted that the explanation to these embodiments is schematical, the specific restriction to the present invention is not formed.
Such as a kind of transformer breather replacing auxiliary stand of figure, it is characterised in that including support 10, fixed mechanism
20th, protection mechanism 30 and lift mechanism 40；
The support 10 includes outer tube 11, inner tube 12, adjusting rod 13 and fixed plate 14, and the outer tube 11 is hollow structure, described
The internal diameter of outer tube 11 is slightly larger than the external diameter of said inner tube 12, and said inner tube 12 is linked in the inside of the outer tube 11；Said inner tube
12 inwall is provided with internal thread 15, and the internal thread 15 is evenly distributed on the length direction of said inner tube 12；The fixation
Plate 14 is fixedly mounted on the lower end of said inner tube 12, and the adjusting rod 13 includes regulation handle 16 and adjusting screw rod 17, the tune
The size and the internal thread 15 for saving screw rod 17 are screw thread matching relationship, and the regulation handle 16 is fixed on by the way that screw thread is adjustable
The upper end of the adjusting screw rod 17, the lower end of the adjusting screw rod 17 is through the outer tube 11, the internal thread 15 and described solid
Fixed board 14 and tie spacer 50, the realization fastening of nut 60；
The fixed mechanism 20 is fixedly installed on the top of the outer tube 11, and the fixed mechanism 20 includes connecting rod 21, hinge
22nd, fixed screw 23, the connecting rod 21 is horizontal positioned and one end is fixed on the outer tube 11, the connecting rod 21 it is another
Be fixedly mounted the hinge 22 on end, the hinge 22 includes fixed part 24 and movable part 25, one end of the fixed part 24 and
One end of the movable part 25 is flexible connection relation, and the centre position of the fixed part 24 is fixed in the connecting rod 21,
The other end of the fixed part 24 and the movable part 25 is respectively equipped with fixed platform 26, and the fixed platform 26 is relative closes
It is to be achieved a fixed connection between the fixed platform 26 by the fixed screw 23；
The protection mechanism 30 is fixedly installed on the bottom of the outer tube 11, and the protection mechanism 30 includes guard circle 31 and nylon
Hasp 32, the guard ring 31 are semi-circular structure, and the guard ring 31 is horizontal positioned and centre position is fixed on the outer tube 11
On, the both ends of the guard ring 31 are realized with the both ends of the velcro 32 and are flexibly connected；
The lift mechanism 40 is fixedly installed on the lower end of said inner tube 12, and the lift mechanism includes U-shaped support 41 and bore is adjusted
Screw 42 is saved, the U-shaped support 41 includes the first bracket 43 and the second bracket 44, first bracket 43 and second bracket 44
On be respectively equipped with half U type support 45 and fixed mount 46, the half U type support 45 and the fixed mount 46 are integral type structure, half U
Type support 45 is oppositely arranged composition U-shape structure, and the fixed mount 46 is the structure that section is in inverted L shape, and the fixed mount 46 is provided with
Through hole 47, the through hole 47 are located at the upper surface of the fixed mount 46, and the through hole 47 is oval elongated hole and the through hole 47
Minor axis is more than the diameter of the adjusting screw rod 17, and the fixed mount is superimposed about 46 to be set and positioned under the fixed plate 14
End, the adjusting screw rod 17 are fastened after running through the through hole 47；Tapped through hole 48 is additionally provided with the fixed mount 46, it is described
Tapped through hole 48 is located at the side of the fixed mount 46, the knot of the structure of the tapped through hole 48 and the bore set screw 42
Structure is matching relationship, and the bore set screw 42 is through the tapped through hole 48 and is threadably secured；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, spring 49, institute are cased with the bore set screw 42
Spring 49 is stated between described two fixed mounts 46；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, the fixed mechanism 20, the protection mechanism 30 and institute
State the same side that lift mechanism 40 is located at the support 10；
A kind of above-mentioned transformer breather replacing auxiliary stand, wherein, nut 70 is additionally provided with the bore set screw 42,
The nut 70 is located at the outside of the fixed mount 46 and the adjustable end of thread for being fixed on the bore adjusting nut 42.
During use：, can two brackets by adjusting bore set screw 42 1. U-shaped support 41 is provided with elliptical hole 47
43rd, 44 occur relative displacement, it is consistent with the diameter of respirator oil cylinder so as to adjust the bore of U-shaped support 41；2. will fixed machine
Structure 20 is fixed on the transformer pipeline of connection respirator, that is, is unclamped fixed screw 23, the movable part 25 of hinge 22 is lived
Move and be fastened on pipeline periphery, then movable part 25 aligns with fixed part 24, locked with fixed screw 23, makes fixed structure 20
Closely it is locked together on pipeline；3. adjusting the regulation handle 16 of adjusting rod 13, regulation handle 16 moves up and down along adjusting screw rod 17, from
And inner tube 12 and the overall length of outer tube 11 change, U-shaped support 41 is held respirator, then lung ventilator surrounded with velcro 32,
Prevent from coming off；4. normally dismounting respirator；5. adjusting regulation handle 16, U-shaped support 41 is moved down, facilitates respirator to remove, then pine
Velcro 32 is opened, lung ventilator is removed from side；6. the respirator after replacing silica gel or new respirator are placed on auxiliary stand,
Surrounded with velcro 32, adjust regulation handle 16 so as to adjust respirator to correct position and fasten；7. respirator is installed；8.
Auxiliary stand is removed, completion more changes jobs.
The present invention has effect following prominent：
1. the auxiliary stand is in light weight, on transformer pipeline, do not limited by whether ground is smooth；
2. the auxiliary stand realizes one man operation, it is not required to set up personnel and lifts respirator, reduce worker workload, solve
The problem of working site space limits；
3. the auxiliary stand can fix respirator temporarily and prevent it from coming off；
4. the auxiliary stand can be adjusted up and down, respirator is conveniently removed；
5. the auxiliary stand caliber size can be adjusted, suitable for the respirator of Multiple Type；
6. having good practicality in the auxiliary stand transformer station real work, there is good application prospect.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (4)
- A kind of 1. transformer breather replacing auxiliary stand, it is characterised in that including support, fixed mechanism, protection mechanism and Lift mechanism；The support includes outer tube, inner tube, adjusting rod and fixed plate, and the outer tube is hollow structure, and the internal diameter of the outer tube omits More than the external diameter of said inner tube, said inner tube is linked in the inside of the outer tube；The inwall of said inner tube is provided with internal thread, institute Internal thread is stated to be evenly distributed on the length direction of said inner tube；The fixed plate is fixedly mounted on the lower end of said inner tube, institute Stating adjusting rod includes regulation handle and adjusting screw rod, and the size of the adjusting screw rod and the internal thread are screw thread matching relationship, The regulation handle is by the adjustable upper end for being fixed on the adjusting screw rod of screw thread, and the lower end of the adjusting screw rod is through described Outer tube, the internal thread and the fixed plate and tie spacer, nut realization fastening；The fixed mechanism is fixedly installed on the top of the outer tube, and the fixed mechanism includes connecting rod, hinge, fixed spiral shell Silk, the connecting rod is horizontal positioned and one end is fixed on the outer tube, on the other end of the connecting rod described in fixed installation Hinge, the hinge include fixed part and movable part, and one end of one end of the fixed part and the movable part is is flexibly connected Relation, the centre position of the fixed part are fixed in the connecting rod, the other end point of the fixed part and the movable part Not She You fixed platform, the fixed platform is relativeness, is realized between the fixed platform by the fixed screw solid Fixed connection；The protection mechanism is fixedly installed on the bottom of the outer tube, and the protection mechanism includes guard circle and velcro, institute It is semi-circular structure to state guard ring, and the guard ring is horizontal positioned and centre position is fixed on the outer tube, the guard ring Realize and be flexibly connected with the both ends of the velcro in both ends；The lift mechanism is fixedly installed on the outer tube, and the lift mechanism includes U-shaped support and bore set screw, the U Type support includes the first bracket and the second bracket, and half U type support and fixation are respectively equipped with first bracket and second bracket Frame, the half U type support and the fixed mount are integral type structure, and the half U type support is oppositely arranged composition U-shape structure, described solid Determine structure of the frame for section in inverted L shape, the fixed mount is provided with through hole, and the through hole is located at the upper surface of the fixed mount, The through hole is oval elongated hole, and the fixed mount is superimposed up and down to be set and positioned in the lower end of the fixed plate, the regulation spiral shell Bar is fastened after running through the through hole；Tapped through hole is additionally provided with the fixed mount, the tapped through hole is located at the fixation The side of frame, the structure of the structure of the tapped through hole and the bore set screw is matching relationship, and the bore adjusts spiral shell Silk is through the tapped through hole and is threadably secured.
- 2. a kind of transformer breather replacing auxiliary stand according to claim 1, it is characterised in that the bore is adjusted Spring is cased with section screw, the spring is between described two fixed mounts.
- A kind of 3. transformer breather replacing auxiliary stand according to claim 1, it is characterised in that the fixed machine Structure, the protection mechanism and the lift mechanism are located at the same side of the support.
- 4. a kind of transformer breather replacing auxiliary stand according to claim 1, it is characterised in that the bore is adjusted On section screw it is additionally provided with nut, the nut is located at the outside of the fixed mount and adjustable is fixed on the bore adjusting nut The end of thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016979.1A CN107749584B (en) | 2017-10-26 | 2017-10-26 | Auxiliary stand for replacing transformer respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016979.1A CN107749584B (en) | 2017-10-26 | 2017-10-26 | Auxiliary stand for replacing transformer respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749584A true CN107749584A (en) | 2018-03-02 |
| CN107749584B CN107749584B (en) | 2024-04-23 |
Family
ID=61252597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016979.1A Active CN107749584B (en) | 2017-10-26 | 2017-10-26 | Auxiliary stand for replacing transformer respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107749584B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038331A (en) * | 2018-08-21 | 2018-12-18 | 国家电网公司 | A kind of silica gel for replacing transformer breather silica gel topples over tool |
| CN114161363A (en) * | 2021-12-20 | 2022-03-11 | 国网河南省电力公司洛阳供电公司 | General transformer respirator assembly and disassembly tools |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577834A (en) * | 2015-01-12 | 2015-04-29 | 国家电网公司 | Transformer aspirator silica gel replacement tool |
| CN104993405A (en) * | 2015-07-06 | 2015-10-21 | 国网山东省电力公司烟台供电公司 | Universal support for transformer substation breather silica gel replacement |
| KR101721521B1 (en) * | 2016-08-08 | 2017-04-10 | (주)이림엔지니어링 | Equipment for wiring transformation cables of transformer substation |
| CN207638219U (en) * | 2017-10-26 | 2018-07-20 | 国网江苏省电力公司镇江供电公司 | A kind of transformer breather replacement auxiliary stand |
-
2017
- 2017-10-26 CN CN201711016979.1A patent/CN107749584B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577834A (en) * | 2015-01-12 | 2015-04-29 | 国家电网公司 | Transformer aspirator silica gel replacement tool |
| CN104993405A (en) * | 2015-07-06 | 2015-10-21 | 国网山东省电力公司烟台供电公司 | Universal support for transformer substation breather silica gel replacement |
| KR101721521B1 (en) * | 2016-08-08 | 2017-04-10 | (주)이림엔지니어링 | Equipment for wiring transformation cables of transformer substation |
| CN207638219U (en) * | 2017-10-26 | 2018-07-20 | 国网江苏省电力公司镇江供电公司 | A kind of transformer breather replacement auxiliary stand |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038331A (en) * | 2018-08-21 | 2018-12-18 | 国家电网公司 | A kind of silica gel for replacing transformer breather silica gel topples over tool |
| CN109038331B (en) * | 2018-08-21 | 2023-11-17 | 国家电网公司 | Silica gel dumping tool for replacing silica gel of transformer respirator |
| CN114161363A (en) * | 2021-12-20 | 2022-03-11 | 国网河南省电力公司洛阳供电公司 | General transformer respirator assembly and disassembly tools |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107749584B (en) | 2024-04-23 |
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