CN107749584B - Auxiliary stand for replacing transformer respirator - Google Patents
Auxiliary stand for replacing transformer respirator Download PDFInfo
- Publication number
- CN107749584B CN107749584B CN201711016979.1A CN201711016979A CN107749584B CN 107749584 B CN107749584 B CN 107749584B CN 201711016979 A CN201711016979 A CN 201711016979A CN 107749584 B CN107749584 B CN 107749584B
- Authority
- CN
- China
- Prior art keywords
- fixing
- respirator
- adjusting screw
- bracket
- outer tube
- 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
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 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
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
The invention relates to an auxiliary bracket for replacing a transformer respirator, which comprises a bracket, a fixing mechanism, a protection mechanism and a lifting mechanism, wherein the relative total length of an inner pipe and an outer pipe of the bracket is adjusted through an adjusting rod so as to facilitate the position adjustment in the replacement of the respirator, the respirator is convenient to take down, the fixing mechanism is fixed on a transformer pipeline through a hinge to fix the whole auxiliary bracket, the U-shaped supporting caliber of the lifting mechanism is adjusted through caliber adjustment so as to adapt to respirators of different types, and a protection ring and a nylon fastener in the protection mechanism are enclosed after being supported by the U-shaped supporting, so that the secondary protection effect is realized; the invention has reasonable structural design, light weight, convenient installation and disassembly, up-and-down adjustment and convenient respirator removal, the caliber of the key U-shaped support can be adjusted, the adaptability is wider, and the invention has good practicability and application prospect and popularization value in the working of a transformer substation.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an auxiliary bracket for replacing a transformer respirator.
Background
The breather is an important component of the transformer, and when the oil level of the transformer is changed, air in the conservator is required to be sucked or discharged through the breather. The breather filters the dust in the air through the oil blanket, adsorbs moisture through silica gel to dry the purification to the air that gets into the transformer, play the effect that prevents insulating oil ageing. The silica gel in the respirator changes from blue to pink after absorbing moisture, and the respirator needs to be replaced when the color change volume reaches 2/3. When respirator replacement is performed in the field, the following problems exist: 1. the respirator is hung on the pipeline of the conservator, and when the screw is disassembled, one person needs to be added to hold the respirator to complete the matching in order to prevent the respirator from falling off. 2. The breather mounting position is higher to the cobble has been spread to the transformer below, and ground unevenness, and the during operation needs to be with the help of insulating bench or double ladder, and the restriction in space is unfavorable for two people to work. 3. The respirator is filled with silica gel and has a large dead weight, and the respirator of nominal 5kg is laborious to hold by hand, and the long-time lifting can lead to fatigue of staff.
Disclosure of Invention
The invention aims to provide an auxiliary bracket for replacing a transformer respirator, which is used for temporarily fixing the respirator in the respirator replacement process, so that the problems that two persons are required to cooperate and the auxiliary bracket is required to be lifted by manpower are solved, and the replacement process is more convenient.
The invention is realized by the following technical scheme: the auxiliary bracket for replacing the transformer respirator is characterized by comprising a bracket, a fixing mechanism, a protection mechanism and a lifting mechanism;
The support comprises an outer tube, an inner tube, an adjusting rod and a fixing plate, wherein the outer tube is of a hollow structure, the inner diameter of the outer tube is slightly larger than the outer diameter of the inner tube, and the inner tube is sleeved in the outer tube; the inner wall of the inner pipe is provided with internal threads which are uniformly distributed in the length direction of the inner pipe; the fixed plate is fixedly arranged at the lower end of the inner tube, the adjusting rod comprises an adjusting handle and an adjusting screw rod, the size of the adjusting screw rod is in threaded fit with the internal thread, the adjusting handle is fixed at the upper end of the adjusting screw rod through threads in an adjustable mode, and the lower end of the adjusting screw rod penetrates through the outer tube, the internal thread, the fixed plate and the gasket and the nut to be matched with each other to achieve fastening;
The fixing mechanism is fixedly arranged on the upper part of the outer tube and comprises a connecting rod, a hinge and a fixing screw, wherein one end of the connecting rod is horizontally arranged and fixed on the outer tube, the hinge is fixedly arranged at the other end of the connecting rod and comprises a fixing part and a movable part, one end of the fixing part and one end of the movable part are in movable connection, the middle position of the fixing part is fixed on the connecting rod, the other ends of the fixing part and the movable part are respectively provided with a fixing platform, the fixing platforms are in opposite relation, and the fixing platforms are fixedly connected through the fixing screw;
The protection mechanism is fixedly arranged at the lower part of the outer tube and comprises a protection ring and a nylon fastener tape, the protection ring is of a semicircular structure, the protection ring is horizontally arranged and fixed on the outer tube in the middle, and two ends of the protection ring are movably connected with two ends of the nylon fastener tape;
The lifting mechanism is fixedly arranged at the lower end of the inner tube and comprises a U-shaped support and a caliber adjusting screw, the U-shaped support comprises a first bracket and a second bracket, the first bracket and the second bracket are respectively provided with a half U-shaped support and a fixing frame, the half U-shaped support and the fixing frame are of an integrated structure, the half U-shaped support is oppositely arranged to form a U-shaped structure, the fixing frame is of a structure with an inverted L-shaped section, a through hole is formed in the fixing frame and is positioned at the upper end face of the fixing frame, the through hole is an oval long hole, the fixing frame is vertically overlapped and positioned at the lower end of the fixing plate, and the adjusting screw penetrates through the through hole and is fastened; the fixing frame is also provided with a threaded through hole, the threaded through hole is positioned on the side face of the fixing frame, the structure of the threaded through hole is in a matching relationship with the structure of the caliber adjusting screw, and the caliber adjusting screw penetrates through the threaded through hole and is fixed through threads;
the auxiliary bracket for replacing the transformer respirator is characterized in that the caliber adjusting screw is sleeved with a spring, and the spring is positioned between the two fixing frames;
the auxiliary bracket for replacing the transformer respirator, wherein the fixing mechanism, the protection mechanism and the lifting mechanism are positioned on the same side of the bracket;
above-mentioned auxiliary stand is used in change of transformer respirator, wherein, still be equipped with the nut on the bore adjusting screw, the nut is located the outside of mount and adjustable fixing the screw thread end of bore adjusting screw.
When in use, the utility model is characterized in that: the 1.U type support is provided with an elliptical through hole, and the two brackets can relatively displace through adjusting the caliber adjusting screw, so that the caliber of the U type support is adjusted to be consistent with the diameter of the respirator cylinder; 2. fixing the fixing mechanism on a transformer pipeline connected with the respirator, namely loosening a fixing screw to enable a movable part of the hinge to be movable and buckled on the periphery of the pipeline, and then locking the movable part and the fixing part by the fixing screw to enable the fixing structure to be tightly locked on the pipeline; 3. the adjusting handle of the adjusting rod is adjusted to move up and down along the adjusting screw rod, so that the total length of the inner tube and the outer tube is changed, the U-shaped support holds the respirator, and the respirator is enclosed by the nylon fastener tape to prevent falling; 4. normally disassembling the respirator; 5. the adjusting handle is adjusted to enable the U-shaped support to move downwards, so that the respirator is convenient to take down, then the nylon fastener is loosened, and the respirator is taken down from the side face; 6. placing the respirator after replacing the silica gel or a new respirator on the auxiliary bracket, enclosing the auxiliary bracket by using a nylon fastener, and adjusting an adjusting handle so as to adjust the respirator to a proper position and fastening the respirator; 7. installing a respirator; 8. and taking down the auxiliary bracket to finish the replacement work. The invention has the following outstanding effects: 1. the auxiliary bracket is light in weight and is arranged on a transformer pipeline, and is not limited by whether the ground is level or not; 2. the auxiliary bracket realizes single operation, does not need to additionally arrange a person to lift the respirator, reduces the workload of workers, and solves the problem of space limitation of a working site; 3. the auxiliary bracket can temporarily fix the respirator and prevent the respirator from falling off; 4. the auxiliary bracket can be adjusted up and down, so that the respirator is convenient to take down; 5. the caliber of the auxiliary bracket can be adjusted, and the auxiliary bracket is suitable for respirators of various types; 6. the auxiliary support transformer substation has good practicability in actual work and has good application prospect.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Figure 3 is a top view of the present invention.
Fig. 4 is an enlarged view of the invention at I.
Fig. 5 is a front view of a second bracket of the present invention.
Fig. 6 is a top view of a second bracket of the present invention.
FIG. 7 is a top view of the inner tube of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, so that the concept of the present invention, the technical problems to be solved, the technical features constituting the technical solutions and the technical effects to be brought about can be further understood, and it should be noted that the description of the embodiments is illustrative and not to be construed as a specific limitation of the present invention.
The auxiliary bracket for replacing the transformer respirator is characterized by comprising a bracket 10, a fixing mechanism 20, a protection mechanism 30 and a lifting mechanism 40; the bracket 10 comprises an outer tube 11, an inner tube 12, an adjusting rod 13 and a fixing plate 14, wherein the outer tube 11 is of a hollow structure, the inner diameter of the outer tube 11 is slightly larger than the outer diameter of the inner tube 12, and the inner tube 12 is sleeved in the outer tube 11; the inner wall of the inner pipe 12 is provided with internal threads 15, and the internal threads 15 are uniformly distributed in the length direction of the inner pipe 12; the fixing plate 14 is fixedly arranged at the lower end of the inner tube 12, the adjusting rod 13 comprises an adjusting handle 16 and an adjusting screw rod 17, the size of the adjusting screw rod 17 is in threaded fit with the internal thread 15, the adjusting handle 16 is adjustably fixed at the upper end of the adjusting screw rod 17 through threads, and the lower end of the adjusting screw rod 17 penetrates through the outer tube 11, the internal thread 15 and the fixing plate 14 and is matched with a gasket 50 and a nut 60 to realize fastening; the fixing mechanism 20 is fixedly arranged on the upper portion of the outer tube 11, the fixing mechanism 20 comprises a connecting rod 21, a hinge 22 and a fixing screw 23, the connecting rod 21 is horizontally arranged, one end of the connecting rod is fixed on the outer tube 11, the hinge 22 is fixedly arranged on the other end of the connecting rod 21, the hinge 22 comprises a fixing part 24 and a movable part 25, one end of the fixing part 24 and one end of the movable part 25 are in movable connection, the middle position of the fixing part 24 is fixed on the connecting rod 21, the other ends of the fixing part 24 and the movable part 25 are respectively provided with a fixing platform 26, the fixing platforms 26 are in opposite relation, and the fixing platforms 26 are fixedly connected through the fixing screw 23; the protection mechanism 30 is fixedly arranged at the lower part of the outer tube 11, the protection mechanism 30 comprises a protection ring 31 and a nylon fastener tape 32, the protection ring 31 is of a semicircular structure, the protection ring 31 is horizontally arranged and the middle position of the protection ring 31 is fixed on the outer tube 11, and two ends of the protection ring 31 are movably connected with two ends of the nylon fastener tape 32; the lifting mechanism 40 is fixedly arranged at the lower end of the inner tube 12, the lifting mechanism comprises a U-shaped support 41 and a caliber adjusting screw 42, the U-shaped support 41 comprises a first bracket 43 and a second bracket 44, the first bracket 43 and the second bracket 44 are respectively provided with a half U-shaped support 45 and a fixing frame 46, the half U-shaped support 45 and the fixing frame 46 are of an integrated structure, the half U-shaped support 45 is oppositely arranged to form a U-shaped structure, the fixing frame 46 is of a structure with an inverted L-shaped section, a through hole 47 is arranged on the fixing frame 46, the through hole 47 is positioned at the upper end face of the fixing frame 46, the through hole 47 is an oval slot hole, the short diameter of the through hole 47 is larger than the diameter of the adjusting screw 17, the fixing frame 46 is arranged in an up-down overlapping mode and positioned at the lower end of the fixing plate 14, and the adjusting screw 17 penetrates through the through hole 47 to be fastened; the fixing frame 46 is further provided with a threaded through hole 48, the threaded through hole 48 is located on the side face of the fixing frame 46, the structure of the threaded through hole 48 is in a matching relationship with the structure of the caliber adjusting screw 42, and the caliber adjusting screw 42 penetrates through the threaded through hole 48 and is fixed through threads; the auxiliary bracket for replacing the transformer respirator is characterized in that a spring 49 is sleeved on the caliber adjusting screw 42, and the spring 49 is positioned between the two fixing frames 46; the auxiliary bracket for replacing the transformer respirator, wherein the fixing mechanism 20, the protecting mechanism 30 and the lifting mechanism 40 are positioned on the same side of the bracket 10; the auxiliary bracket for replacing the transformer respirator is characterized in that the caliber adjusting screw 42 is further provided with a nut 70, and the nut 70 is positioned at the outer side of the fixing frame 46 and is adjustably fixed at the threaded end of the caliber adjusting nut 42.
When in use, the utility model is characterized in that: the 1.U type support 41 is provided with an elliptical through hole 47, and the two brackets 43 and 44 can relatively displace by adjusting the caliber adjusting screw 42, so that the caliber of the U type support 41 is adjusted to be consistent with the diameter of the respirator cylinder; 2. fixing the fixing mechanism 20 on a transformer pipeline connected with a respirator, namely loosening a fixing screw 23 to enable a movable part 25 of a hinge 22 to be movable and buckled on the periphery of the pipeline, aligning the movable part 25 with a fixing part 24, and locking by the fixing screw 23 to enable the fixing structure 20 to be tightly locked on the pipeline; 3. the adjusting handle 16 of the adjusting rod 13 is adjusted, the adjusting handle 16 moves up and down along the adjusting screw 17, so that the total length of the inner tube 12 and the outer tube 11 is changed, the U-shaped support 41 holds the respirator, and the nylon fastener 32 is used for enclosing the respirator, so that the respirator is prevented from falling off; 4. normally disassembling the respirator; 5. the adjusting handle 16 is adjusted to enable the U-shaped support 41 to move downwards, the respirator is convenient to take down, the nylon fastener tape 32 is loosened, and the respirator is taken down from the side face; 6. placing the respirator after replacing the silica gel or a new respirator on the auxiliary bracket, enclosing the respirator by using a nylon fastener tape 32, adjusting the adjusting handle 16 so as to adjust the respirator to a proper position and fastening the respirator; 7. installing a respirator; 8. and taking down the auxiliary bracket to finish the replacement work.
The invention has the following outstanding effects: 1. the auxiliary bracket is light in weight and is arranged on a transformer pipeline, and is not limited by whether the ground is level or not; 2. the auxiliary bracket realizes single operation, does not need to additionally arrange a person to lift the respirator, reduces the workload of workers, and solves the problem of space limitation of a working site; 3. the auxiliary bracket can temporarily fix the respirator and prevent the respirator from falling off; 4. the auxiliary bracket can be adjusted up and down, so that the respirator is convenient to take down; 5. the caliber of the auxiliary bracket can be adjusted, and the auxiliary bracket is suitable for respirators of various types; 6. the auxiliary support transformer substation has good practicability in actual work and has good application prospect.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (2)
1. The auxiliary bracket for replacing the transformer respirator is characterized by comprising a bracket, a fixing mechanism, a protection mechanism and a lifting mechanism;
The support comprises an outer tube, an inner tube, an adjusting rod and a fixing plate, wherein the outer tube is of a hollow structure, the inner diameter of the outer tube is slightly larger than the outer diameter of the inner tube, and the inner tube is sleeved in the outer tube; the inner wall of the inner pipe is provided with internal threads which are uniformly distributed in the length direction of the inner pipe; the fixed plate is fixedly arranged at the lower end of the inner tube, the adjusting rod comprises an adjusting handle and an adjusting screw rod, the size of the adjusting screw rod is in threaded fit with the internal thread, the adjusting handle is fixed at the upper end of the adjusting screw rod through threads in an adjustable mode, and the lower end of the adjusting screw rod penetrates through the outer tube, the internal thread, the fixed plate and the gasket and the nut to be matched with each other to achieve fastening;
The fixing mechanism is fixedly arranged on the upper part of the outer tube and comprises a connecting rod, a hinge and a fixing screw, wherein one end of the connecting rod is horizontally arranged and fixed on the outer tube, the hinge is fixedly arranged at the other end of the connecting rod and comprises a fixing part and a movable part, one end of the fixing part and one end of the movable part are in movable connection, the middle position of the fixing part is fixed on the connecting rod, the other ends of the fixing part and the movable part are respectively provided with a fixing platform, the fixing platforms are in opposite relation, and the fixing platforms are fixedly connected through the fixing screw; the protection mechanism is fixedly arranged at the lower part of the outer tube and comprises a protection ring and a nylon fastener tape, the protection ring is of a semicircular structure, the protection ring is horizontally arranged and fixed on the outer tube in the middle, and two ends of the protection ring are movably connected with two ends of the nylon fastener tape;
The lifting mechanism is fixedly arranged at the lower end of the inner tube and comprises a U-shaped support and a caliber adjusting screw, the U-shaped support comprises a first bracket and a second bracket, the first bracket and the second bracket are respectively provided with a half U-shaped support and a fixing frame, the half U-shaped support and the fixing frame are of an integrated structure, the half U-shaped support is oppositely arranged to form a U-shaped structure, the fixing frame is of a structure with an inverted L-shaped section, a through hole is formed in the fixing frame and is positioned at the upper end face of the fixing frame, the through hole is an oval long hole, the fixing frame is vertically overlapped and positioned at the lower end of the fixing plate, and the adjusting screw penetrates through the through hole and is fastened; the fixing frame is also provided with a threaded through hole, the threaded through hole is positioned on the side face of the fixing frame, the structure of the threaded through hole is in a matching relationship with the structure of the caliber adjusting screw, and the caliber adjusting screw penetrates through the threaded through hole and is fixed through threads; the caliber adjusting screw is sleeved with a spring, and the spring is positioned between the two fixing frames; the fixing mechanism, the protection mechanism and the lifting mechanism are located on the same side of the support.
2. The auxiliary bracket for replacing the transformer respirator of claim 1, wherein the caliber adjusting screw is further provided with a nut, and the nut is positioned on the outer side of the fixing frame and is adjustably fixed at the threaded end of the caliber adjusting screw.
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 CN107749584A (en) | 2018-03-02 |
| CN107749584B true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107749584A (en) | 2018-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107749584B (en) | Auxiliary stand for replacing transformer respirator | |
| CN105845430A (en) | Enameled paper coil winding device with alignment device and control method | |
| CN209925950U (en) | Video monitoring mounting rack for site operation | |
| CN206964913U (en) | The safety belt hanging bracket of Fast Installation | |
| CN207638219U (en) | A kind of transformer breather replacement auxiliary stand | |
| CN205421976U (en) | Block in detachable safety belt peg of window interior wall | |
| CN208265678U (en) | Portable overhead ground wire lifting device | |
| CN207894406U (en) | A kind of quasi- instrument holder of constructional engineering | |
| CN206126783U (en) | Detachable work platform | |
| CN202423906U (en) | Overhaul platform for isolating switch | |
| CN205070256U (en) | Portable oil charge electrical equipment respirator assembly and disassembly tools | |
| CN209913262U (en) | Novel dustproof electric power cabinet of electric power | |
| CN210532007U (en) | Adjustable camera fixing device | |
| CN105226543B (en) | A kind of portable oil-filled electric equipment respirator dismantling device | |
| CN107907956B (en) | A kind of ADSS optical cable and steel tower attachment device | |
| CN204903590U (en) | Lamps and lanterns aging testing frame | |
| CN214369128U (en) | Suspension type monitoring device for radio monitoring | |
| CN220891490U (en) | Planning design drawing equipment | |
| CN212763303U (en) | Smoke detector dismounting and mounting device | |
| CN112186605B (en) | Transformer maintenance platform with multiple installation modes | |
| CN216121605U (en) | Cable fixing device for vertical section of communication equipment | |
| CN217106221U (en) | Tension-resistant mounting rack for cross arm replacement | |
| CN208967421U (en) | A kind of lightweight indication control board display screen upper beam hoisting bracket | |
| CN219143928U (en) | Support convenient to transformer installation | |
| CN210397024U (en) | Protective structure for air compressor |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |