CN220306082U - Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device - Google Patents
Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device Download PDFInfo
- Publication number
- CN220306082U CN220306082U CN202321686148.6U CN202321686148U CN220306082U CN 220306082 U CN220306082 U CN 220306082U CN 202321686148 U CN202321686148 U CN 202321686148U CN 220306082 U CN220306082 U CN 220306082U
- Authority
- CN
- China
- Prior art keywords
- locking
- adjusting
- fixing
- bracket
- high voltage
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 12
- 238000009413 insulation Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Insulators (AREA)
Abstract
The utility model relates to an adjustable extra-high voltage alternating current-direct current lead shielding pipe fixing device, wherein an insulating cylinder assembly is sleeved on a lead shielding pipe, the insulating cylinder assembly comprises a plurality of layers of insulating cylinders, stay bars are arranged between adjacent insulating cylinders, the lower ends of the stay bars are provided with inward fixing hooks, the upper ends of the stay bars are provided with outward fixing hooks, a fixing support in the fixing frame assembly is supported and fixed on the inner wall of a lifting seat, a supporting support is arranged on the fixing support, an adjusting side beam is arranged on the supporting support, the locking assembly comprises an adjusting supporting plate and a hoop, two ends of the adjusting supporting plate are respectively and adjustably arranged on corresponding adjusting side beams, and the hoop is arranged on the adjusting supporting plate. The utility model can improve the creepage distance of the lead shielding pipe in a limited installation space so as to meet the requirement of higher voltage level, ensure the installation precision and the fixation firmness of the lead shielding pipe, and avoid the conditions of sinking of the lead shielding pipe and the like caused by weight problem.
Description
Technical Field
The utility model relates to the technical field of transformer manufacturing, in particular to an adjustable extra-high voltage alternating current-direct current lead shielding pipe fixing device.
Background
Along with the development of the extra-high voltage transmission technology, the length of the extra-high voltage transmission project is longer and the transmission power is higher, wherein a high voltage lead shielding pipe is used as a carrier for connecting a transformer body and an external high voltage circuit, the extra-high voltage lead shielding pipe is a main device for realizing an extra-high voltage insulation electric field outside a high voltage lead of a uniform transformer, the voltage class, the insulation level and the capacity of the transformer are also increased along with the continuous increase of the length and the transmission power of the extra-high voltage transmission project, the insulation pressure borne by the high voltage lead shielding pipe is also increased, and the space distance in an oil tank and the inner wall size of a high voltage lifting seat of the oil tank are limited, so that the space distance in the oil tank cannot be amplified limitlessly in order to meet the insulation requirement, the design of an insulation part is required to be higher, and the creepage distance between the lead shielding pipe and the oil tank or the electrode of the lifting seat is also required to be increased in the aspect of fixing the lead shielding pipe so as to meet the requirement of the higher voltage class.
In terms of installation mode, under the current voltage levels of 1000kV, direct current +/-800, +/-1100 kV and the like, the fine installation tolerance of the lead shielding tube can influence the electrode shape of the sleeve end, so that great electric field distortion is caused, and for ultra-high voltage transmission engineering with higher level, the requirement on the installation precision of the lead shielding tube is more strict, so that the problem that how to guarantee the installation precision of the lead shielding tube when the lead shielding tube is fixed is also considered.
Moreover, the lead shielding pipe for the extra-high voltage transmission engineering is increased in thickness due to the fact that the insulation thickness of the outer package is increased, the overall weight of the lead shielding pipe is also increased, if a traditional lead shielding pipe fixing structure is adopted, reliable fixing of the lead shielding pipe is difficult to ensure, and the situation that the lead shielding pipe sinks due to weight problems is easy to occur.
Disclosure of Invention
The utility model aims to provide an adjustable extra-high voltage alternating current-direct current lead wire shielding tube fixing device which can improve the creepage distance of a lead wire shielding tube in a limited installation space so as to meet the requirement of higher voltage level, ensure the installation precision and ensure the lead wire shielding tube to be firmly fixed, and can avoid the conditions of sinking of the lead wire shielding tube and the like caused by weight problems.
The aim of the utility model is realized by the following technical scheme:
the utility model provides an adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device, includes mount subassembly and insulating tube subassembly, wherein insulating tube subassembly suit is on the lead wire shielding pipe, and insulating tube subassembly includes multilayer insulating tube, all is equipped with the stay between the adjacent insulating tube, the stay lower extreme is equipped with inside fixed hook, the upper end is equipped with outside fixed hook, and inside fixed hook connects in the insulating tube lower extreme that inboard is adjacent, outside fixed hook connects in the insulating tube upper end that the outside is adjacent, the mount subassembly includes fixed bolster, support bracket and locking subassembly, wherein the fixed bolster support is fixed on the rising seat inner wall, the support bracket is located on the fixed bolster to be equipped with the regulation curb girder on the support bracket, locking subassembly is located on the support bracket, and locking subassembly includes adjusting support plate and staple bolt, wherein the adjusting support plate both ends are installed respectively on the regulation curb girder that corresponds, the staple bolt is installed in the adjusting support plate, adjusting support plate both sides upper end is equipped with the adjustment elongated slot, adjusting support plate both sides lower extreme is equipped with the locking hole group, and locking hole group includes that the multiseriate tilt arrangement's locking hole, the position that corresponds to the adjusting support plate and install in the jack screw-bolt that installs in the jack, the screw-bolt that installs freely.
The support bracket is provided with a plurality of groups of locking components, and hoops in the groups of locking components are connected through connecting columns.
The inner side of the support bracket is provided with an adjusting side beam, the outer side of the support bracket is provided with a connecting side beam, the fixing bracket comprises a fixing side beam and a fixing cross beam, two ends of the fixing cross beam are respectively and vertically fixedly connected with the corresponding fixing side beam, meanwhile, the fixing cross beam is vertically and fixedly connected with the connecting side beam, and the fixing side beam is obliquely arranged.
The outer side of the fixed support is provided with a supporting frame body which is propped against the inner wall of the lifting seat.
The support bracket comprises a plurality of support beams, the outer sides of the support beams are vertically and fixedly connected with the connecting side beams, and the inner sides of the support beams are vertically and fixedly connected with the adjusting side beams.
The adjusting long groove is arranged along the horizontal direction, the locking long groove is arranged along the vertical direction, and the length of the locking long groove is larger than the height of the locking hole group.
The utility model has the advantages and positive effects that:
1. the lengths of all layers of insulating cylinders in the insulating cylinder assembly are sequentially reduced from outside to inside, so that the insulating cylinder assembly has the effects of reinforcing insulation protection and increasing insulation creepage distance of the fixed position of the lead shielding pipe.
2. The locking component and the supporting bracket can be adjusted in a relative movement manner so as to ensure the installation precision, the outer side of the fixed bracket can be propped against the inner wall of the lifting seat and the supporting is firm, and the fixed bracket is ensured to have enough insulation climbing distance through the staggered arrangement of the cross beams and the side beams in the supporting bracket and the fixed bracket, and in addition, the locking bolt is used for locking and adjusting the position of the supporting plate, so that the loosening problem generated after the locking bolt is adjusted is avoided.
Drawings
Figure 1 is a top view of the present utility model in use,
figure 2 is a schematic perspective view of the utility model of figure 1,
figure 3 is a schematic view of the structure of the holder assembly of figure 2,
figure 4 is an enlarged partial schematic view of the adjustment support plate of figure 3,
figure 5 is a schematic view showing a use state of the adjusting support plate of figure 4,
figure 6 is a schematic view of the set of locking holes of figure 5,
figure 7 is a top view of the adjustment side beam of figure 5,
figure 8 is a front view of the adjustment side beam of figure 7,
figure 9 is a top view of the insulating cartridge assembly of figure 2,
fig. 10 is a cross-sectional view of the insulating cartridge assembly of fig. 9.
Wherein 1 is a fixing frame component, 101 is a fixing bracket, 1011 is a fixing side beam, 1012 is a fixing cross beam, 1013 is a tightening frame body, 102 is a supporting bracket, 1021 is a connecting side beam, 1022 is an adjusting side beam, 10221 is a mounting bolt jack, 10222 is a locking long groove, 103 is a locking component, 1031 is an adjusting supporting plate, 10311 is an adjusting long groove, 10312 is a locking hole group, 1032 is a hoop, 1033 is a tightening insulating tape, 1034 is a connecting post, 1035 is a mounting shaft, 2 is a lifting seat inner wall, 3 is an insulating cylinder component, 301 is a first insulating cylinder, 302 is a second insulating cylinder, 303 is a third insulating cylinder, 304 is a fourth insulating cylinder, 305 is a first stay, 306 is a second stay, 307 is a third stay, 308 is an inward fixing hook, 309 is an outward fixing hook, and 4 is a lead shielding tube.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 10, the utility model comprises a fixed frame assembly 1 and an insulating cylinder assembly 3, wherein the insulating cylinder assembly 3 is sleeved on a lead shielding tube 4, and the insulating cylinder assembly 3 is clamped and supported and fixed on the inner wall 2 of a lifting seat through the fixed frame assembly 1.
As shown in fig. 9 to 10, the insulating cylinder assembly 3 comprises a plurality of insulating cylinders sleeved in sequence, a plurality of stays are uniformly distributed between adjacent insulating cylinders along the circumferential direction, an inward fixing hook 308 is arranged at the lower end of each stay, an outward fixing hook 309 is arranged at the upper end of each stay, the inward fixing hooks 308 at the lower end of each stay are hung at the lower ends of the adjacent insulating cylinders at the inner sides, and the outward fixing hooks 309 at the upper ends of the stays are hung at the upper ends of the adjacent insulating cylinders at the outer sides. As shown in fig. 10, the lengths of the insulating cylinders in the insulating cylinder assembly 3 are sequentially reduced from outside to inside, which can play a role in reinforcing insulation protection and increasing insulation creepage distance of the fixed position of the lead shielding tube 4, and the stay uniformly distributed along the circumferential direction ensures that the insulating cylinders in the insulating cylinder assembly 3 are firmly fixed by using the fixing hook structure, and simultaneously plays a role in preventing the lead shielding tube 4 from sinking. As shown in fig. 9 to 10, in the present embodiment, the insulating cylinder assembly 3 is provided with a first insulating cylinder 301, a second insulating cylinder 302, a third insulating cylinder 303 and a fourth insulating cylinder 304 in order from outside to inside, a first stay 305 is provided between the first insulating cylinder 301 and the second insulating cylinder 302, a second stay 306 is provided between the second insulating cylinder 302 and the third insulating cylinder 303, and a third stay 307 is provided between the third insulating cylinder 303 and the fourth insulating cylinder 304. The number of layers of the insulating cylinder can be set according to actual needs.
As shown in fig. 1 to 8, the fixing frame assembly 1 includes a fixing bracket 101, a supporting bracket 102 and a locking assembly 103, wherein the fixing bracket 101 is supported and fixed on the inner wall 2 of the lifting seat, the supporting bracket 102 is arranged on the fixing bracket 101, an adjusting side beam 1022 is arranged on the supporting bracket 102, the locking assembly 103 includes an adjusting supporting plate 1031 and a hoop 1032, two ends of the adjusting supporting plate 1031 are respectively arranged on the corresponding adjusting side beams 1022, and the hoop 1032 is arranged on the adjusting supporting plate 1031. As shown in fig. 1-2, when the utility model is used, two fixing frame components 1 are arranged at 135 degrees, one ends of anchor ears 1032 on the two fixing frame components 1 are fixedly connected, and the other ends are in tensioning connection through a tensioning insulating belt 1033, so that the purpose of clamping and fixing the insulating cylinder component 3 is realized.
As shown in fig. 4 to 8, the locking assembly 103 and the support bracket 102 can be adjusted transversely in a moving manner, so that the mounting accuracy is ensured, and the fixing frame assembly 1 can be supported firmly, wherein the upper ends of the two sides of the adjusting support plate 1031 are provided with adjusting long grooves 10311, the lower ends of the two sides of the adjusting support plate 1031 are provided with locking hole groups 10312, and as shown in fig. 6, the locking hole groups 10312 comprise a plurality of columns of locking holes which are arranged in an inclined manner, and as shown in fig. 7, the mounting positions of the adjusting side beams 1022 corresponding to the adjusting support plate 1031 are provided with mounting bolt insertion holes 10221 and locking long grooves 10222. According to the utility model, the two ends of the adjusting support plate 1031 are respectively fixed on the corresponding adjusting side beams 1022 by using the mounting bolts and the locking bolts, wherein the mounting bolts pass through the adjusting long grooves 10311 and are then inserted into the mounting bolt insertion holes 10221 in a threaded manner, the locking bolts are inserted into any locking holes in the locking hole groups 10312 in a threaded manner, and the free ends of the locking bolts are arranged in the locking long grooves 10222. As shown in fig. 5, when the locking assembly 103 is adjusted, the mounting bolt is screwed outwards but not separated from the adjusting side beam 1022, at this time, the mounting bolt no longer presses the adjusting support plate 1031, and the locking bolt is screwed outwards and separated from the adjusting side beam 1022 and the adjusting support plate 1031, at this time, the adjusting support plate 1031 can achieve moving lateral adjustment, and when the adjusting support plate 1031 moves, the mounting bolt slides relatively in the adjusting long groove 10311 to ensure that the height of the adjusting support plate 1031 does not change, after the position of the adjusting support plate 1031 is determined, the locking bolt is inserted into the locking long groove 10222 after passing through the corresponding locking hole in the locking hole group 10312, and then the mounting bolt is screwed tightly to fix the adjusting support plate 1031. As shown in fig. 5, the adjusting long groove 10311 is arranged along the horizontal direction, the locking long groove 10222 is arranged along the vertical direction, and the length of the locking long groove 10222 is larger than the height of the locking hole group 10312, and the position of the adjusting support plate 1031 is locked by the locking bolt, so that the loosening problem generated after the adjustment is avoided. In this embodiment, the mounting bolt and the locking bolt are both insulating bolts.
As shown in fig. 2 to 3, a plurality of sets of locking assemblies 103 can be arranged on the support bracket 102 according to the requirement, wherein the anchor ear 1032 in each set of locking assemblies 103 is fixed on the corresponding adjusting support plate 1031 through a mounting shaft 1035, and each anchor ear 1032 is connected through a connecting post 1034.
In this embodiment, as shown in fig. 1 to 3, an adjusting side beam 1022 is disposed on the inner side of the support bracket 102, a connecting side beam 1021 is disposed on the outer side of the support bracket 102, the fixing bracket 101 includes a fixing side beam 1011 and a fixing cross beam 1012, two ends of the fixing cross beam 1012 are respectively and vertically fixedly connected with the corresponding fixing side beam 1011, and simultaneously the fixing cross beam 1012 is vertically fixedly connected with the connecting side beam 1021, so as to realize connection between the fixing bracket 101 and the support bracket 102, the fixing side beam 1011 is obliquely disposed at a certain angle so as to support against the inner wall 2 of the lifting seat, and in addition, as shown in fig. 1, a supporting frame body 1013 can be disposed on the outer side of the fixing bracket 101 to support against the inner wall 2 of the lifting seat as required.
As shown in fig. 1 to 3, in the present embodiment, the support bracket 102 includes a plurality of support cross members, and the outside of the support cross members is vertically fixed to the connection side members 1021, and the inside of the support cross members is vertically fixed to the adjustment side members 1022. The cross beams and the side beams in the support bracket 102 and the fixed bracket 101 are arranged in a staggered way, so that the fixed support is ensured, and meanwhile, the enough insulation climbing distance of the fixed frame assembly 1 is ensured.
The working principle of the utility model is as follows:
the installation method comprises the following steps:
step one: the number of layers of insulating cylinders in the insulating cylinder assembly 3 is determined according to the requirement, all layers of insulating cylinders in the insulating cylinder assembly 3 are sequentially sleeved on the lead shielding pipe 4, supporting bars are uniformly distributed among adjacent insulating cylinders along the circumferential direction, inward fixing hooks 308 at the lower ends of the supporting bars are hung at the lower ends of the insulating cylinders adjacent to the inner sides, and outward fixing hooks 309 at the upper ends of the supporting bars are hung at the upper ends of the insulating cylinders adjacent to the outer sides;
step two: the insulating cylinder assemblies 3 are clamped and fixed through the fixing frame assemblies 1, wherein one ends of anchor ears 1032 on the two fixing frame assemblies 1 are fixedly connected, and the other ends of anchor ears are in tensioning connection through tensioning insulating belts 1033;
step three: the lead shielding tube 4, the insulating cylinder assembly 3 and the fixing frame assembly 1 are placed in the lifting seat, the transverse position of the adjusting supporting plate 1031 in the fixing frame assembly 1 is adjusted, and the outer side of the fixing support 101 can be propped against the inner wall 2 of the lifting seat and is firmly supported while the installation accuracy is ensured.
The lengths of all layers of insulating cylinders in the insulating cylinder assembly 3 are sequentially reduced from outside to inside, so that the insulating cylinder assembly can play a role in reinforcing insulation protection and increasing insulation creepage distance of the fixed position of the lead shielding pipe 4, and stay bars uniformly distributed along the circumferential direction ensure that all layers of insulating cylinders of the insulating cylinder assembly 3 are firmly fixed by using a fixed hook structure, and meanwhile, the effect of preventing the lead shielding pipe 4 from sinking is also played. The locking component 103, the supporting bracket 102 and the fixing bracket 101 can be relatively moved and adjusted to ensure the installation precision, and simultaneously, the outer side of the fixing bracket 101 can be propped against the inner wall 2 of the lifting seat and is firmly supported, and the transverse beams and the side beams in the supporting bracket 102 and the fixing bracket 101 are arranged in a staggered manner, so that the fixing bracket is ensured to be supported, and meanwhile, the enough insulation climbing distance of the fixing bracket component 1 is ensured.
Claims (6)
1. An adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device which is characterized in that: comprises a fixed frame component (1) and an insulating cylinder component (3), wherein the insulating cylinder component (3) is sleeved on a lead shielding pipe (4), the insulating cylinder component (3) comprises a plurality of layers of insulating cylinders, stays are arranged between adjacent insulating cylinders, an inward fixed hook (308) is arranged at the lower end of each stay, an outward fixed hook (309) is arranged at the upper end of each upper end, the inward fixed hook (308) is hung at the lower end of an insulating cylinder adjacent to the inner side, the outward fixed hook (309) is hung at the upper end of each insulating cylinder adjacent to the outer side, the fixed frame component (1) comprises a fixed bracket (101), a supporting bracket (102) and a locking component (103), the fixed bracket (101) is supported and fixed on the inner wall (2) of a lifting seat, the supporting bracket (102) is arranged on the fixed bracket (101), an adjusting side beam (1022) is arranged on the supporting bracket (102), the locking component (103) comprises an adjusting supporting plate (1031) and a hoop (1032) which is correspondingly arranged at two ends of the adjusting side beams (1032) (1031) respectively, the lower ends of two sides of the adjusting support plate (1031) are provided with locking hole groups (10312), the locking hole groups (10312) comprise a plurality of locking holes which are obliquely arranged, the mounting positions of the adjusting side beams (1022) corresponding to the adjusting support plate (1031) are provided with mounting bolt insertion holes (10221) and locking long grooves (10222), mounting bolts penetrate through the adjusting long grooves (10311) and are then inserted into the mounting bolt insertion holes (10221), the locking bolts are inserted into any locking hole in the locking hole groups (10312), and the free ends of the locking bolts are arranged in the locking long grooves (10222).
2. The adjustable extra-high voltage ac/dc lead shielding tube fixing device according to claim 1, wherein: the support bracket (102) is provided with a plurality of groups of locking components (103), and hoops (1032) in each group of locking components (103) are connected through connecting columns (1034).
3. The adjustable extra-high voltage ac/dc lead shielding tube fixing device according to claim 1, wherein: an adjusting side beam (1022) is arranged on the inner side of the supporting bracket (102), a connecting side beam (1021) is arranged on the outer side of the supporting bracket (102), the fixing bracket (101) comprises a fixing side beam (1011) and a fixing cross beam (1012), two ends of the fixing cross beam (1012) are respectively and vertically fixedly connected with the corresponding fixing side beam (1011), meanwhile, the fixing cross beam (1012) is vertically fixedly connected with the connecting side beam (1021), and the fixing side beam (1011) is obliquely arranged.
4. The adjustable extra-high voltage ac/dc lead shielding tube fixing device according to claim 3, wherein: the outer side of the fixed bracket (101) is provided with a supporting bracket body (1013) which is propped against the inner wall (2) of the lifting seat.
5. The adjustable extra-high voltage ac/dc lead shielding tube fixing device according to claim 3, wherein: the support bracket (102) comprises a plurality of support beams, the outer sides of the support beams are vertically fixedly connected with the connecting side beams (1021), and the inner sides of the support beams are vertically fixedly connected with the adjusting side beams (1022).
6. The adjustable extra-high voltage ac/dc lead shielding tube fixing device according to claim 1, wherein: the adjusting long groove (10311) is arranged along the horizontal direction, the locking long groove (10222) is arranged along the vertical direction, and the length of the locking long groove (10222) is larger than the height of the locking hole group (10312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686148.6U CN220306082U (en) | 2023-06-30 | 2023-06-30 | Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686148.6U CN220306082U (en) | 2023-06-30 | 2023-06-30 | Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306082U true CN220306082U (en) | 2024-01-05 |
Family
ID=89345639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321686148.6U Active CN220306082U (en) | 2023-06-30 | 2023-06-30 | Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306082U (en) |
-
2023
- 2023-06-30 CN CN202321686148.6U patent/CN220306082U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220306082U (en) | Adjustable extra-high voltage alternating current-direct current lead wire shielding pipe fixing device | |
| CN214532234U (en) | Composite cross arm and power transmission tower | |
| CN209929114U (en) | Valve side wire outlet device of +/-1100 kV converter transformer | |
| CN210069142U (en) | Pipeline clamp hoop on anti-seismic support hanger | |
| CN115497722A (en) | Transformer device | |
| CN210372762U (en) | Square pipeline fixing part of anti-seismic support hanger | |
| CN115411666A (en) | Vertical ladder type bridge cable laying construction method | |
| CN109604066B (en) | Mounting structure of plate type electrostatic purifier | |
| CN211405952U (en) | Adjustable photovoltaic support base | |
| CN219512916U (en) | Power transformer mounting frame | |
| WO2015086210A1 (en) | Valve module installation method | |
| CN212183384U (en) | Support frame suitable for extra-high voltage converter valve | |
| CN110828116A (en) | Height-adjustable's transformer assembly support | |
| CN214043328U (en) | Converter capacitor installation tool | |
| CN218242852U (en) | Self-locking bridge convenient to adjust | |
| CN218562072U (en) | Be used for spacing buffer of bridge beam supports antidetonation | |
| CN220815134U (en) | 10KV line expansion type cross arm connection structure | |
| CN214886005U (en) | Cross arm support frame | |
| CN213620137U (en) | Adjustable mounting base for ship electrical equipment | |
| CN219534220U (en) | Installing support and have high-efficient heat dissipation's transformer | |
| CN216641613U (en) | High hot-galvanize electric tower support of security | |
| CN218242902U (en) | Shock-resistant anti-fracture aluminum alloy bridge frame | |
| CN220521986U (en) | Template strutting arrangement for construction engineering | |
| US12003187B2 (en) | Power conversion apparatus | |
| CN211790539U (en) | Synthesize posture chute |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |