CN112186604B - Transformer maintenance platform with multiple installation modes - Google Patents
Transformer maintenance platform with multiple installation modes Download PDFInfo
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- CN112186604B CN112186604B CN202011030191.8A CN202011030191A CN112186604B CN 112186604 B CN112186604 B CN 112186604B CN 202011030191 A CN202011030191 A CN 202011030191A CN 112186604 B CN112186604 B CN 112186604B
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- 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
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Abstract
The invention discloses a multi-mounting-mode power transformation maintenance platform which comprises a mounting plate, a movable plate, a base, a suspension plate, a driving box, a sleeve, a mounting block, a rack, a track, a speed reduction motor and a screw rod, wherein the movable plate is connected to the outer side of the mounting plate in a sliding manner, the base is fixedly connected to the lower end of the movable plate, the suspension plate is hinged to the upper end of the mounting plate, the driving box is fixedly connected to the upper end of the base, the sleeve is fixedly connected to the upper end of the driving box, the mounting block is fixedly connected to the left end and the right end of the mounting plate, the rack is fixedly connected to the outer side of the mounting plate, the track is fixedly connected to the outer side of the mounting plate, the speed reduction motor is fixedly connected to the upper end of the base, and a first spur gear is fixedly connected to the tail end of an output shaft of the speed reduction motor. The invention relates to a multi-mounting-mode power transformation maintenance platform which has the characteristics of multiple mounting modes and lifting and translation.
Description
Technical Field
The invention belongs to the technical field of transformer overhaul platforms, and particularly relates to a transformer overhaul platform with multiple installation modes.
Background
The transformer overhauls the platform and is exactly one kind and provides the device of operation platform of standing when being used for the transformer to overhaul aerial work, and the transformer that uses on the existing market overhauls the platform structure basically the same, mostly hangs through setting up on the main part frame and hangs and fix in operation position department, then stands the operation for the staff through setting up work platform on the main part frame, but there are some problems in present transformer overhauls the platform: 1. when the power transformation maintenance platform is installed, the power transformation maintenance platform cannot be fixedly installed according to the position condition of a site, the installation environment is required to be changed frequently during installation, and the installation process is very troublesome; 2. when the transformer overhauling platform is used, the overhauling platform is too fixed, the overhauling area is too small, the fixed overhauling platform needs to be installed again when other areas need to be overhauled, the maintenance efficiency is affected, and therefore the transformer overhauling platform with multiple installation modes needs to be designed.
The invention content is as follows:
the invention aims to provide a multi-installation type power transformation maintenance platform for solving the problems, and the multi-installation type power transformation maintenance platform solves the problems in the prior art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a transformer of many mounting methods overhauls platform, includes mounting panel, movable plate, base, hangs board, drive case, sleeve, installation piece, rack, track, gear motor and lead screw, the outside sliding connection of mounting panel has the movable plate, the lower extreme fixedly connected with base of movable plate, the upper end of mounting panel articulates there is the board that hangs, the upper end fixedly connected with drive case of base, the upper end fixedly connected with sleeve of drive case, both ends fixedly connected with installation piece about the mounting panel, the outside fixedly connected with rack of mounting panel, the outside fixedly connected with track of mounting panel, the upper end fixedly connected with gear motor of base, the terminal fixedly connected with straight-teeth gear of gear motor's output shaft.
Preferably, the upper end of the mounting plate is fixedly connected with a fixing plate, the upper end of the fixing plate is provided with a positioning hole, the inside of the positioning hole is connected with a screw rod in a sliding mode, the upper end of the hanging plate is provided with a mounting hole, the upper end of the hanging plate is provided with a right-angle hole, the inside of the right-angle hole is connected with the screw rod through threads, and the upper end of the hanging plate is provided with a horizontal hole.
Preferably, the inside fixedly connected with of drive case rotates the cover, the upper end of rotating the cover is rotated and is connected with the carousel, annular one has been seted up to the lower extreme of carousel, the lower extreme sliding connection of annular one has the ball, annular two has been seted up to the inside of rotating the cover, the upper end of annular two with the lower extreme sliding connection of ball, the upper end fixedly connected with bevel gear one of carousel, the upper end fixedly connected with lead screw of bevel gear one, the fixed axle sleeve that has cup jointed in the inside of drive case, the internal rotation of axle sleeve is connected with the drive shaft, the both ends fixedly connected with bevel gear two of drive shaft, the lower extreme of bevel gear two with the upper end meshing of bevel gear one, the outside fixedly connected with straight-teeth gear two of drive shaft, the lower extreme of straight-teeth gear two with the upper end meshing of straight-teeth gear one.
As preferred, telescopic inside sliding connection has a telescopic cylinder, the lower extreme fixedly connected with support of telescopic cylinder, the inside fixedly connected with screw ring of support, the inside threaded connection of screw ring has the lead screw, the upper end fixedly connected with operation panel bottom plate of telescopic cylinder, the upper end fixedly connected with support column of operation panel bottom plate, the outside fixedly connected with fender rod of support column, the upper end welding of telescopic cylinder has the strengthening rib, the upper end of strengthening rib with the lower extreme fixed connection of operation panel bottom plate, the quantity of support column is four, four the support column is in four corners evenly distributed of the upper end of operation panel bottom plate.
Preferably, the upper end of the movable plate is connected with a motor frame through a bolt, the interior of the motor frame is connected with a forward and reverse rotating motor through a bolt, the tail end of an output shaft of the forward and reverse rotating motor is fixedly connected with a straight gear III, the left end of the straight gear III is meshed with the right end of the rack, the left end of the movable plate is fixedly connected with a wheel frame, the lower end of the wheel frame is rotatably connected with a guide wheel, the outer side of the mounting plate is fixedly connected with a guide groove, the interior of the guide groove is slidably connected with the lower end of the guide wheel, a dovetail groove is formed in the track, the right end of the movable plate is fixedly connected with a dovetail block, the interior of the dovetail groove is slidably connected with the outer side of the dovetail block, a limiting rod is slidably connected in the interior of the movable plate and penetrates through the interior of the dovetail block, the limiting rod penetrates through the interior of the track, and a limiting hole is formed in the interior of the lower end of the mounting plate, the inner side of the limiting hole is connected with the outer side of the limiting rod in a sliding mode, and the left end of the limiting rod is fixedly connected with a limiting block.
Preferably, the number of the mounting blocks is six, and the six mounting blocks are uniformly distributed on the left side and the right side of the mounting plate.
Preferably, the number of the mounting holes is multiple, and the mounting holes are uniformly distributed at the upper end of the suspension plate.
Preferably, the number of the driving boxes is two, and the two driving boxes are uniformly distributed at the upper end of the base.
The invention has the beneficial effects that: the invention relates to a multi-mounting-mode power transformation maintenance platform, which has the characteristics of multiple mounting modes and lifting and translation, and has the following two beneficial effects compared with the traditional multi-mounting-mode power transformation maintenance platform in specific use:
firstly, the mode of hinging the suspension plate at the upper end of the mounting plate enables the maintenance platform to be suspended and fixed at the upper ends of some horizontal planes, and the maintenance platform can be mounted on a vertical plane by turning up the suspension plate, thereby avoiding the problem that the maintenance platform cannot be mounted due to different mounting environments;
secondly, add in the outside of mounting panel and establish rack, positive and negative motor and movable plate isotructure, can be so that the device can carry out the translation of horizontal direction after fixed mounting, can enlarge the maintenance scope of horizontal direction, again through adding in the upper end of base and establish drive box, sleeve and telescopic cylinder isotructure, can make the maintenance platform go up and down to can enlarge the maintenance scope of vertical direction.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of FIG. 1 of the present invention;
FIG. 3 is a top view of FIG. 2 of the present invention;
FIG. 4 is a rear view of FIG. 1 of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 7 is an enlarged view of the structure of the portion C of FIG. 2 according to the present invention;
fig. 8 is an enlarged view of the structure of the portion D in fig. 2 according to the present invention.
In the figure: 1. mounting a plate; 2. moving the plate; 3. a base; 4. a suspension plate; 5. a drive box; 6. a sleeve; 7. mounting blocks; 8. a rack; 9. a track; 10. a reduction motor; 11. a first straight gear; 12. a second straight gear; 41. a fixing plate; 42. a screw; 43. positioning holes; 44. mounting holes; 45. a right-angle hole; 46. a horizontal hole; 51. rotating the sleeve; 52. a turntable; 53. a first ring groove; 54. a ball bearing; 55. a second ring groove; 56. a first bevel gear; 57. a shaft sleeve; 58. a drive shaft; 59. a second bevel gear; 61. a telescopic cylinder; 62. a support; 63. a threaded ring; 64. a lead screw; 65. an operation platform bottom plate; 66. a support pillar; 67. a guard bar; 68. reinforcing ribs; 81. a motor frame; 82. a positive and negative rotation motor; 83. a third straight gear; 84. a wheel carrier; 85. a guide wheel; 86. a guide groove; 91. a dovetail groove; 92. a dovetail block; 93. a limiting rod; 94. a limiting block; 95. and a limiting hole.
The specific implementation mode is as follows:
as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment:
example (b):
a multi-mounting-mode power transformation maintenance platform comprises a mounting plate 1, a moving plate 2, a base 3, a suspension plate 4, a driving box 5, a sleeve 6, a mounting block 7, a rack 8, a track 9, a speed reduction motor 10 and a screw rod 64, the outer side of the mounting plate 1 is connected with a moving plate 2 in a sliding way, the lower end of the moving plate 2 is fixedly connected with a base 3, the upper end of the mounting plate 1 is hinged with a suspension plate 4, the upper end of the base 3 is fixedly connected with a driving box 5, the upper end of the driving box 5 is fixedly connected with a sleeve 6, the left end and the right end of the mounting plate 1 are fixedly connected with mounting blocks 7, the outer side of the mounting plate 1 is fixedly connected with a rack 8, the outer side of the mounting plate 1 is fixedly connected with a track 9, the upper end fixedly connected with gear motor 10 of base 3, the terminal fixedly connected with straight-teeth gear 11 of the output shaft of gear motor 10.
The upper end of the mounting plate 1 is fixedly connected with a fixing plate 41, a positioning hole 43 is formed in the upper end of the fixing plate 41, a screw rod 42 is connected inside the positioning hole 43 in a sliding mode, a mounting hole 44 is formed in the upper end of the suspension plate 4, a right-angle hole 45 is formed in the upper end of the suspension plate 4, the screw rod 42 is connected inside the right-angle hole 45 through threads, and a horizontal hole 46 is formed in the upper end of the suspension plate 4.
Wherein, the interior of the driving box 5 is fixedly connected with a rotating sleeve 51, the upper end of the rotating sleeve 51 is rotatably connected with a rotating disc 52, the lower end of the rotating disc 52 is provided with a first ring groove 53, the lower end of the first ring groove 53 is connected with a ball 54 in a sliding way, a second ring groove 55 is arranged in the rotating sleeve 51, the upper end of the second ring groove 55 is connected with the lower end of the ball 54 in a sliding way, the upper end of the rotating disc 52 is fixedly connected with a first bevel gear 56, the upper end of the first bevel gear 56 is fixedly connected with a lead screw 64, a shaft sleeve 57 is fixedly sleeved in the driving box 5, a driving shaft 58 is rotatably connected in the shaft sleeve 57, two ends of the driving shaft 58 are fixedly connected with a second bevel gear 59, the lower end of the second bevel gear 59 is meshed with the upper end of the first bevel gear 56, a second spur gear 12 is fixedly connected to the outer side of the driving shaft 58, and the lower end of the second spur gear 12 is meshed with the upper end of the first spur gear 11.
Wherein, the inside sliding connection of sleeve 6 has telescopic tube 61, the lower extreme fixedly connected with support 62 of telescopic tube 61, the inside fixedly connected with screw ring 63 of support 62, the inside threaded connection of screw ring 63 has lead screw 64, the upper end fixedly connected with operation panel bottom plate 65 of telescopic tube 61, the upper end fixedly connected with support column 66 of operation panel bottom plate 65, the outside fixedly connected with guard bar 67 of support column 66, the upper end welding of telescopic tube 61 has strengthening rib 68, the upper end of strengthening rib 68 with the lower extreme fixed connection of operation panel bottom plate 65, the quantity of support column 66 is four, four the support column 66 is in four corners evenly distributed of the upper end of operation panel bottom plate 65.
Wherein, the upper end of the moving plate 2 is connected with a motor frame 81 through a bolt, the inside of the motor frame 81 is connected with a forward and reverse rotation motor 82 through a bolt, the tail end of the output shaft of the forward and reverse rotation motor 82 is fixedly connected with a straight gear three 83, the left end of the straight gear three 83 is meshed with the right end of the rack 8, the left end of the moving plate 2 is fixedly connected with a wheel frame 84, the lower end of the wheel frame 84 is rotatably connected with a guide wheel 85, the outer side of the mounting plate 1 is fixedly connected with a guide groove 86, the inside of the guide groove 86 is connected with the lower end of the guide wheel 85 in a sliding manner, a dovetail groove 91 is formed in the inside of the track 9, the right end of the moving plate 2 is fixedly connected with a dovetail block 92, the inside of the dovetail groove 91 is connected with the outer side of the dovetail block 92 in a sliding manner, the inside of the moving plate 2 is connected with a limiting rod 93 in a sliding manner, and the limiting rod 93 passes through the inside of the dovetail block 92, the limiting rod 93 penetrates through the inside of the track 9, a limiting hole 95 is formed in the lower end of the mounting plate 1, the inner side of the limiting hole 95 is connected with the outer side of the limiting rod 93 in a sliding mode, and a limiting block 94 is fixedly connected to the left end of the limiting rod 93.
The number of the mounting blocks 7 is six, and the six mounting blocks 7 are uniformly distributed on the left side and the right side of the mounting plate 1.
The number of the mounting holes 44 is multiple, and the mounting holes 44 are uniformly distributed at the upper end of the suspension plate 4.
The number of the driving boxes 5 is two, and the two driving boxes 5 are uniformly distributed at the upper end of the base 3.
The using state of the invention is as follows: when the mounting plate 1 needs to be mounted, the angle of the suspension plate 4 can be selected according to the position to be mounted, if necessary, the suspension plate can be suspended, the screw rod 42 penetrates through the positioning hole 43 and then is screwed into the right-angle hole 45, the included angle between the suspension plate 4 and the mounting plate 1 can be ninety degrees after the fixing, the suspension plate can be suspended and mounted at the edge of some planes, when some vertical planes need to be mounted, the suspension plate 4 can be turned to the angle horizontal to the mounting plate 1, then the screw rod 42 penetrates through the positioning hole 43 and then is screwed into the horizontal hole 46, after the mounting is finished, in use, when horizontal movement is needed, the forward and reverse motor 82 can be used for driving the spur gear three 83 to rotate, the spur gear three 83 can be used for driving the moving plate 2 to horizontally move through the rack 8 meshed at the left end, when the vertical movement is needed, the speed reduction motor 10 can be started, the speed reducing motor 10 drives a second spur gear 12 with the upper end meshed with the upper end to rotate through a first spur gear 11, the second spur gear 12 drives a second bevel gear 59 to rotate through a driving shaft 58 fixed inside, the second bevel gear 59 drives a lead screw 64 fixedly connected with the upper end of the first bevel gear 56 to rotate through a first bevel gear 56 meshed with the lower end, a threaded ring 63 outside the lead screw 64 is lifted while the lead screw 64 rotates, the threaded ring 63 lifts the telescopic cylinder 61 through a support 62 fixedly connected with the outer side, and an operation table bottom plate 65 fixedly connected with the upper end of the telescopic cylinder 61 is lifted along with the threaded ring, so that the area where a worker needs to operate can be changed, and the operable area of the worker is further increased.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a transformer of many mounting methods overhauls platform, includes mounting panel (1), movable plate (2), base (3), hangs board (4), drive box (5), sleeve (6), installation piece (7), rack (8), track (9), gear motor (10) and lead screw (64), its characterized in that: the outer side of the mounting plate (1) is connected with a moving plate (2) in a sliding mode, the lower end of the moving plate (2) is fixedly connected with a base (3), the upper end of the mounting plate (1) is hinged with a suspension plate (4), the upper end of the base (3) is fixedly connected with a driving box (5), the upper end of the driving box (5) is fixedly connected with a sleeve (6), the left end and the right end of the mounting plate (1) are fixedly connected with mounting blocks (7), the outer side of the mounting plate (1) is fixedly connected with a rack (8), the outer side of the mounting plate (1) is fixedly connected with a track (9), the upper end of the base (3) is fixedly connected with a speed reducing motor (10), and the tail end of an output shaft of the speed reducing motor (10) is fixedly connected with a straight gear I (11);
the upper end of the mounting plate (1) is fixedly connected with a fixing plate (41), the upper end of the fixing plate (41) is provided with a positioning hole (43), the inside of the positioning hole (43) is connected with a screw rod (42) in a sliding manner, the upper end of the suspension plate (4) is provided with a mounting hole (44), the upper end of the suspension plate (4) is provided with a right-angle hole (45), the inside of the right-angle hole (45) is connected with the screw rod (42) through threads, and the upper end of the suspension plate (4) is provided with a horizontal hole (46);
the inner fixed connection of the driving box (5) is provided with a rotating sleeve (51), the upper end of the rotating sleeve (51) is rotatably connected with a rotating disc (52), a first annular groove (53) is formed in the lower end of the rotating disc (52), a ball (54) is slidably connected with the lower end of the first annular groove (53), a second annular groove (55) is formed in the rotating sleeve (51), the upper end of the second annular groove (55) is slidably connected with the lower end of the ball (54), a first bevel gear (56) is fixedly connected with the upper end of the rotating disc (52), a lead screw (64) is fixedly connected with the upper end of the first bevel gear (56), a shaft sleeve (57) is fixedly sleeved on the inner part of the driving box (5), a driving shaft (58) is rotatably connected with the inner part of the shaft sleeve (57), two bevel gears (59) are fixedly connected with the two ends of the driving shaft (58), and the lower end of the second bevel gear (59) is meshed with the upper end of the first bevel gear (56), a second straight gear (12) is fixedly connected to the outer side of the driving shaft (58), and the lower end of the second straight gear (12) is meshed with the upper end of the first straight gear (11);
a telescopic cylinder (61) is connected inside the sleeve (6) in a sliding way, the lower end of the telescopic cylinder (61) is fixedly connected with a bracket (62), a threaded ring (63) is fixedly connected inside the bracket (62), a lead screw (64) is connected inside the threaded ring (63) in a threaded manner, the upper end of the telescopic cylinder (61) is fixedly connected with an operation table bottom plate (65), the upper end of the operation table bottom plate (65) is fixedly connected with a support pillar (66), the outer side of the supporting column (66) is fixedly connected with a protective rod (67), the upper end of the telescopic cylinder (61) is welded with a reinforcing rib (68), the upper end of the reinforcing rib (68) is fixedly connected with the lower end of the operating platform bottom plate (65), the number of the supporting columns (66) is four, and the four supporting columns (66) are uniformly distributed at four corners of the upper end of the operating platform bottom plate (65);
the upper end of the moving plate (2) is connected with a motor frame (81) through a bolt, the inside of the motor frame (81) is connected with a forward and reverse rotating motor (82) through a bolt, the tail end of an output shaft of the forward and reverse rotating motor (82) is fixedly connected with a straight gear III (83), the left end of the straight gear III (83) is meshed with the right end of the rack (8), the left end of the moving plate (2) is fixedly connected with a wheel frame (84), the lower end of the wheel frame (84) is rotatably connected with a guide wheel (85), the outer side of the mounting plate (1) is fixedly connected with a guide groove (86), the inside of the guide groove (86) is in sliding connection with the lower end of the guide wheel (85), the inside of the track (9) is provided with a dovetail groove (91), the right end of the moving plate (2) is fixedly connected with a dovetail block (92), the inside of the dovetail groove (91) is in sliding connection with the outer side of the dovetail block (92), the inside sliding connection of movable plate (2) has gag lever post (93), gag lever post (93) are passed from the inside of forked tail piece (92), gag lever post (93) are passed from the inside of track (9), spacing hole (95) have been seted up to the inside of the lower extreme of mounting panel (1), the inboard of spacing hole (95) with the outside sliding connection of gag lever post (93), the left end fixedly connected with stopper (94) of gag lever post (93).
2. A multi-installation-mode power transformation overhaul platform as claimed in claim 1, wherein: the number of the mounting blocks (7) is six, and the mounting blocks (7) are uniformly distributed on the left side and the right side of the mounting plate (1).
3. A multi-installation-mode power transformation overhaul platform as claimed in claim 1, wherein: the number of the mounting holes (44) is multiple, and the mounting holes (44) are uniformly distributed at the upper end of the suspension plate (4).
4. A multi-mounting-mode power transformation maintenance platform according to claim 1, wherein: the number of the driving boxes (5) is two, and the two driving boxes (5) are uniformly distributed at the upper end of the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030191.8A CN112186604B (en) | 2020-09-27 | 2020-09-27 | Transformer maintenance platform with multiple installation modes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030191.8A CN112186604B (en) | 2020-09-27 | 2020-09-27 | Transformer maintenance platform with multiple installation modes |
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| CN112186604A CN112186604A (en) | 2021-01-05 |
| CN112186604B true CN112186604B (en) | 2022-09-13 |
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| CN202011030191.8A Active CN112186604B (en) | 2020-09-27 | 2020-09-27 | Transformer maintenance platform with multiple installation modes |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113594946B (en) * | 2021-08-19 | 2023-07-18 | 国网河南省电力公司南阳供电公司 | Liftable rotatable power transformation overhauls operation platform |
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| CN102616300A (en) * | 2012-04-09 | 2012-08-01 | 韩清洁 | Device for disassembling waste engine and gear box |
| CN104269759A (en) * | 2014-08-07 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Handcart operating platform for 10-35 KV breaker in substation |
| CN206442039U (en) * | 2016-12-23 | 2017-08-25 | 徐宣煊 | A kind of portable and practical electric power overhaul frame |
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| CN2800605Y (en) * | 2005-03-18 | 2006-07-26 | 上海大佳电器有限公司 | Operational power supply carriage for voltage control cabinet |
| CN106384949B (en) * | 2016-10-28 | 2018-05-01 | 浙江江山华宁电器有限公司 | A kind of rotatable lift power distribution cabinet |
| CN108946596A (en) * | 2018-07-26 | 2018-12-07 | 国网山东省电力公司莱芜供电公司 | A kind of transformation place apparatus for examination and repair |
| CN210838558U (en) * | 2019-12-04 | 2020-06-23 | 上海航兢电子科技有限公司 | Power communication equipment box convenient to maintain |
| CN211521520U (en) * | 2020-06-29 | 2020-09-18 | 新疆亿驰电气科技有限公司 | A installation maintenance platform for power equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB247458A (en) * | 1925-07-09 | 1926-02-18 | C D Magirus Akt Ges | Improvements in or relating to fire escapes |
| CN102616300A (en) * | 2012-04-09 | 2012-08-01 | 韩清洁 | Device for disassembling waste engine and gear box |
| CN104269759A (en) * | 2014-08-07 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Handcart operating platform for 10-35 KV breaker in substation |
| CN206442039U (en) * | 2016-12-23 | 2017-08-25 | 徐宣煊 | A kind of portable and practical electric power overhaul frame |
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| CN112186604A (en) | 2021-01-05 |
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