CN115771840B - Transformer lifting equipment for power maintenance - Google Patents
Transformer lifting equipment for power maintenance Download PDFInfo
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- CN115771840B CN115771840B CN202211532330.6A CN202211532330A CN115771840B CN 115771840 B CN115771840 B CN 115771840B CN 202211532330 A CN202211532330 A CN 202211532330A CN 115771840 B CN115771840 B CN 115771840B
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Abstract
The invention discloses transformer lifting equipment for power maintenance, which comprises a supporting platform, wherein the top of the supporting platform is fixedly connected with a lifting bracket, the bottom of the supporting platform is fixedly connected with a moving device, and the side surface of the lifting bracket is fixedly connected with a lifting device; the hoisting device comprises: the sliding frame is provided with a vertical structure and a sliding block arranged on the sliding frame, the sliding block is connected with the sliding frame in a sliding way, and the bottom of the sliding block is fixedly connected with a lifting push rod; the invention relates to the technical field of power equipment maintenance, in particular to a supporting seat, which is provided with a rectangular structure and extrusion blocks arranged at the bottoms of two ends of the supporting seat, wherein the top of each extrusion block is fixedly connected with the bottom of the supporting seat, and one side of each extrusion block is fixedly connected with a hydraulic push rod. This transformer lifts by crane equipment that power maintenance used can avoid the transformer to take place to rock at the in-process that lifts by crane for it is better to lift by crane stability, uses safelyr.
Description
Technical Field
The invention relates to the technical field of power equipment maintenance, in particular to transformer lifting equipment for power maintenance.
Background
As the Chinese economy continues to develop healthily and at a high rate, the power demand continues to grow rapidly. The electricity consumption of the whole world in 2011 is 4.69 trillion kilowatt-hours, which is 11.7% higher than the previous year, the consumption demand is still vigorous, the electricity consumption per capita is 3483 kilowatt-hours, which is 351 kilowatt-hours higher than the previous year, and exceeds the world average level, in recent years, the electricity demand in China is rapidly increased, the high-speed construction of the power grid pulls the market demand of the power equipment, and at the same time, the great demand of the power equipment inevitably brings great maintenance and hoisting work, the transformer is a static electrical equipment for converting alternating voltage and current to transmit alternating current electric energy, the electric energy transmission is realized according to the principle of electromagnetic induction, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purpose: the power transformer is necessary equipment for power transmission and distribution and power distribution of power consumers, and at present, a crane is generally adopted for lifting the transformer.
However, when the crane lifts the transformer, the steel rope is not stable enough, and the transformer can shake in the lifting process easily, so that the lifting process is poor in stability and potential safety hazards exist.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the transformer lifting equipment for power maintenance comprises a supporting platform, wherein the top of the supporting platform is fixedly connected with a lifting bracket, the bottom of the supporting platform is fixedly connected with a moving device, and the side surface of the lifting bracket is fixedly connected with a lifting device;
the hoisting device comprises:
the sliding frame is provided with a vertical structure and a sliding block arranged on the sliding frame, the sliding block is connected with the sliding frame in a sliding way, and the bottom of the sliding block is fixedly connected with a lifting push rod;
the supporting seat has a rectangular structure, and the extrusion blocks are arranged at the bottoms of the two ends of the supporting seat, the top of the extrusion blocks is fixedly connected with the bottom of the supporting seat, one side of the extrusion blocks is fixedly connected with a hydraulic push rod, one end of the hydraulic push rod is fixedly connected with a chuck device, and the transformer can be prevented from shaking in the lifting process, so that the lifting stability is better, and the use is safer.
Preferably, the bottom of the sliding frame and the bottom of the lifting push rod are fixedly connected with the top of the supporting platform, one side of the supporting seat is fixedly connected with the sliding block, and the side face of the sliding frame is fixedly connected with the side face of the lifting support.
Preferably, the top of the supporting seat is fixedly connected with an inclined pull rod, and one end of the inclined pull rod, which is far away from the supporting seat, is fixedly connected with the sliding block.
Preferably, the chuck device includes the chuck seat, chuck seat one side fixedly connected with rotates the rotation portion of seat, chuck seat keeps away from one side top fixedly connected with extrusion gasbag of rotating the seat, chuck seat keeps away from one side bottom fixedly connected with supporting shoe of rotating the seat, the rotation groove has been seted up at the supporting shoe top, the rotation inslot wall rotates and is connected with the rotation post, rotation post top fixedly connected with lifting plate, and the lifting plate can adapt to the transformer base of different inclination, and supporting stability is better to the extrusion gasbag also can squeeze into the radiating fin inside of transformer side, can avoid the transformer to produce relative slip between being held after with the holder, and clamping stability is better.
Preferably, the fixed part of the rotating seat is fixedly connected with the hydraulic push rod, and the rotating seat is arranged at a position below the middle of the side surface of the chuck seat.
Preferably, the movable end cover of hydraulic push rod establishes and sliding connection has strutting arrangement, strutting arrangement includes the support lantern ring, the screw thread pull rod behind the support lantern ring top rotation connection, the screw thread pull rod is kept away from the one end of support lantern ring and runs through and threaded connection has the screw thread sleeve, screw thread pull rod runs through screw thread sleeve's one end fixedly connected with rolling disc, support lantern ring side fixedly connected with tension spring, tension spring keeps away from the one end fixedly connected with tension detector of support lantern ring, and the convenience is in time maintained hydraulic push rod when hydraulic push rod produces slight bending, and the protectiveness is better, and when hydraulic push rod produced the bending, rotatable screw thread pull rod, screw thread pull rod drive hydraulic push rod through the support lantern ring and upwards move and revise.
Preferably, the supporting collar is sleeved on the movable part of the hydraulic push rod and is in sliding connection with the movable part of the hydraulic push rod, and the top of the threaded sleeve penetrates through the supporting seat and is fixedly connected with the supporting seat.
Preferably, the top of the tension detector is fixedly connected with the bottom of the supporting seat, and the rotating disc is arranged in a hexagonal shape.
Preferably, the mobile device includes the mobile frame, mobile frame bottom central point puts fixedly connected with elevating platform, elevating platform bottom fixedly connected with backup pad, the supporting slot has been seted up to the backup pad bottom, supporting slot inner wall sliding connection has the inserted bar, be provided with supporting spring between inserted bar top and the supporting slot inner wall, mobile frame bottom edge position fixedly connected with removes the gyro wheel, conveniently improves fixed effect through the insertion of inserted bar, and when ground is harder, the inside the collapsible entering supporting slot of inserted bar does not influence normal use.
Preferably, the top of the movable frame is fixedly connected with the bottom of the supporting platform, and the supporting grooves are provided with a plurality of groups and uniformly distributed on the supporting plate.
The invention provides transformer lifting equipment for power maintenance. The beneficial effects are as follows:
1. this transformer equipment of lifting by crane that power maintenance was used is provided with hoisting accessory, when needs lift by crane the transformer, drive supporting platform and lift by crane the support through mobile device and remove, drive hoisting accessory through supporting platform and lift by crane the support and remove to the transformer directly over, then drive sliding block and supporting seat through lifting push rod and descend, the supporting seat drives the chuck device at both ends and descends to the transformer both sides, then extend the furred ceiling chuck device through hydraulic push rod and remove towards the transformer, hold the transformer through chuck device, then the rethread lifting push rod drives sliding block and supporting seat and rises, can accomplish the lifting by crane of transformer, can avoid the transformer to take place to rock at the in-process of lifting by crane, make lifting by crane stability better, and is safer in use.
2. This transformer equipment that lifts by crane that power maintenance used is provided with chuck device, when chuck device moved towards the transformer, the extrusion gasbag is pressed by the chuck seat and is pasted tightly in the transformer side, simultaneously the thrust chuck seat is rotated around rotating the seat, drive the supporting shoe and rotate when the chuck seat rotates, the supporting shoe is rotated the lifting plate through the rotation post and is pasted tightly in the transformer below, support the transformer bottom through the lifting plate, and the lifting plate can rotate around the rotation post, make the lifting plate hug closely all the time in the transformer bottom, the lifting plate also can adapt to the transformer base of different inclination, supporting stability is better, and the extrusion gasbag also can be extruded into the radiating fin inside of transformer side, can avoid the transformer to produce relative slip with the holder after being held, clamping stability is better.
3. This transformer equipment of lifting by crane that power maintenance used is provided with strutting arrangement, accessible support lantern ring and screw thread pull rod are taut with hydraulic putter's movable part during lifting by crane, avoid hydraulic putter one end atress to lead to the junction between hydraulic putter and the extrusion piece to produce the damage, conveniently protect hydraulic putter, simultaneously when hydraulic putter produces the slope, the support lantern ring is to tension spring's pulling force increase, accessible observation tension detector's detection data judges whether hydraulic putter is crooked, the convenience is in time maintained hydraulic putter when hydraulic putter produces slight bending, the protectiveness is better, when hydraulic putter produces the bending, rotatable screw thread pull rod, screw thread pull rod drives hydraulic putter through the support lantern ring and moves up and revises.
4. This transformer equipment of lifting by crane that power maintenance was used is provided with mobile device, when equipment needs movable, support through removing the gyro wheel and can drive equipment and remove, when equipment needs fixed, drive the backup pad through the elevating platform and descend, when the backup pad contacted ground, the elevating platform continues to drive the backup pad and descends, can be through elevating platform and backup pad with removing the frame jack-up this moment, it can fix equipment to remove the gyro wheel and break away from ground to remove the frame, make the removal of equipment and fixed all more convenient, and society free support groove and inserted bar, when the ground is softer soil, the inserted bar can insert ground below under the elasticity effect of supporting spring, conveniently improve fixed effect through the insertion of inserted bar, when the ground is harder, inside the inserted bar collapsible entering supporting groove, do not influence normal use.
Drawings
FIG. 1 is a schematic diagram of a transformer lifting device for power maintenance according to the present invention;
FIG. 2 is a schematic view of the top structure of the lifting device of the present invention;
FIG. 3 is a schematic view of the bottom structure of the lifting device of the present invention;
FIG. 4 is a schematic view of the connection structure of the chuck device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a chuck device according to the present invention;
FIG. 6 is a schematic view of the structure of the supporting device of the present invention;
FIG. 7 is a schematic diagram of a mobile device according to the present invention;
FIG. 8 is a schematic view of the internal structure of the support groove of the present invention.
In the figure: 1. a support platform; 2. a lifting bracket; 3. a mobile device; 31. a moving rack; 32. a lifting table; 33. a support plate; 34. a support groove; 35. a rod; 36. a support spring; 37. moving the roller; 4. a lifting device; 41. a carriage; 42. a sliding block; 43. lifting the push rod; 44. a support base; 45. extruding a block; 46. a hydraulic push rod; 47. a chuck device; 471. a clamp seat; 472. a rotating seat; 473. extruding the air bag; 474. a support block; 475. a rotating groove; 476. rotating the column; 477. a lifting plate; 48. a diagonal draw bar; 49. a support device; 491. a support collar; 492. a threaded pull rod; 493. a threaded sleeve; 494. a rotating disc; 495. a tension spring; 496. a tension detector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-3, the present invention provides a technical solution: the transformer lifting equipment for power maintenance comprises a supporting platform 1, wherein the top of the supporting platform 1 is fixedly connected with a lifting bracket 2, the bottom of the supporting platform 1 is fixedly connected with a moving device 3, and the side surface of the lifting bracket 2 is fixedly connected with a lifting device 4;
the hoisting device 4 comprises:
the sliding frame 41, the sliding frame 41 has a vertical structure, and a sliding block 42 arranged on the sliding frame 41, the sliding block 42 is in sliding connection with the sliding frame 41, and a lifting push rod 43 is fixedly connected to the bottom of the sliding block 42;
the supporting seat 44, the supporting seat 44 has rectangular structure, and the extrusion piece 45 of setting in supporting seat 44 both ends bottom, extrusion piece 45 top and supporting seat 44 bottom fixed connection, extrusion piece 45 one side fixedly connected with hydraulic push rod 46, hydraulic push rod 46 one end fixedly connected with chuck device 47.
The bottom of the sliding frame 41 and the lifting push rod 43 are fixedly connected with the top of the supporting platform 1, one side of the supporting seat 44 is fixedly connected with the sliding block 42, and the side surface of the sliding frame 41 is fixedly connected with the side surface of the lifting bracket 2.
The top of the supporting seat 44 is fixedly connected with a diagonal draw bar 48, and one end of the diagonal draw bar 48 away from the supporting seat 44 is fixedly connected with the sliding block 42.
Be provided with hoisting accessory 4, when need lifting by crane the transformer, drive supporting platform 1 and lift by crane support 2 through mobile device 3 and remove, drive hoisting accessory 4 through supporting platform 1 and lift by crane support 2 and remove to the transformer directly over, then drive slider 42 and supporting seat 44 through lift push rod 43 and descend, the supporting seat 44 drives the chuck device 47 at both ends and descends to the transformer both sides, then remove towards the transformer through hydraulic push rod 46 extension furred ceiling chuck device 47, grasp the transformer through chuck device 47, then the lift of transformer can be accomplished to the lift push rod 43 drive slider 42 and supporting seat 44 rise, can avoid the transformer to take place to rock at the in-process of lifting by crane, make the stability of lifting by crane better, and is safer in use.
Embodiment two:
referring to fig. 1-5, the present invention provides a technical solution based on the first embodiment: the chuck device 47 includes chuck seat 471, chuck seat 471 one side fixedly connected with rotates the rotation portion of seat 472, chuck seat 471 keeps away from one side top fixedly connected with extrusion gasbag 473 of seat 472, chuck seat 471 keeps away from one side bottom fixedly connected with supporting shoe 474 of seat 472, the rotation groove 475 has been seted up at supporting shoe 474 top, the rotation of rotation groove 475 inner wall rotates and is connected with the spliced pole 476, spliced pole 476 top fixedly connected with lifting plate 477, the fixed part and the hydraulic push rod 46 fixed connection of seat 472, the position of lower side is in chuck seat 471 setting in the side of seat 471, be provided with chuck device 47, when chuck device 47 orientation transformer removes, extrusion gasbag 473 is pressed tightly in the transformer side by the chuck seat, simultaneously reverse thrust chuck seat 471 makes chuck seat 471 revolute seat 471 and rotates, drive supporting shoe 474 rotation when chuck seat 471 rotates, supporting shoe 474 drives lifting plate 477 through the spliced pole 476 and rotate and paste in the transformer below, support transformer bottom through lifting plate 477, and lifting plate 477 can revolute the rotating plate 476, make and also can press the side face of transformer 477 to produce the transformer side face, can not be closely in the transformer side face with the transformer side, the stability is better, the stability of pressing the transformer is better than the transformer side face is kept down, the transformer can be kept down to the transformer side with the transformer side, the opposite to the transformer has good stability of pressing and the transformer has been kept down, the stability.
Embodiment III:
referring to fig. 1-6, the present invention provides a technical solution based on the first embodiment and the second embodiment: the movable end of the hydraulic push rod 46 is sleeved with and slidably connected with a supporting device 49, the supporting device 49 comprises a supporting sleeve ring 491, the top of the supporting sleeve ring 491 is rotatably connected with a threaded pull rod 492, one end of the threaded pull rod 492, which is far away from the supporting sleeve ring 491, penetrates through and is in threaded connection with a threaded sleeve 493, the threaded pull rod 492 penetrates through one end of the threaded sleeve 493 to be fixedly connected with a rotating disc 494, the side surface of the supporting sleeve ring 491 is fixedly connected with a tension spring 495, one end of the tension spring 495, which is far away from the supporting sleeve ring 491, is fixedly connected with a tension detector 496, the supporting sleeve ring 491 is sleeved on the movable part of the hydraulic push rod 46 and is slidably connected with the movable part of the hydraulic push rod 46, the top of the threaded sleeve ring 493 penetrates through the supporting seat 44 and is fixedly connected with the supporting seat 44, the top of the tension detector 496 is fixedly connected with the bottom of the supporting seat 44, the rotating disc 494 is arranged to be hexagonal, the movable part of the hydraulic push rod 46 is tensioned through the supporting sleeve ring 491 and the threaded pull rod 492 during hoisting, the connection between the hydraulic push rod 46 and the extrusion block 45 is avoided, damage to the connection between the hydraulic push rod 46 and the hydraulic push rod 45 is generated, and the hydraulic push rod 46 is conveniently protected, and simultaneously when the supporting rod 46 is inclined, the supporting sleeve ring is far from the supporting sleeve ring 491 is provided with a tension, the tension detector is slightly, and the bending detector is used for detecting the tension of the hydraulic push rod 46 and the bending, and the hydraulic push rod 46 is can be conveniently and improved.
Embodiment four:
referring to fig. 1 to 8, the present invention provides a technical solution based on the first embodiment, the second embodiment and the third embodiment: the mobile device 3 includes movable frame 31, movable frame 31 bottom central point puts fixedly connected with elevating platform 32, elevating platform 32 bottom fixedly connected with backup pad 33, support groove 34 has been seted up to backup pad 33 bottom, support groove 34 inner wall sliding connection has inserted bar 35, be provided with support spring 36 between inserted bar 35 top and the support groove 34 inner wall, movable frame 31 bottom edge position fixedly connected with removes gyro wheel 37, movable frame 31 top and support platform 1 bottom fixed connection, support groove 34 is provided with the multiunit and evenly distributed on backup pad 33, be provided with movable device 3, need movable when equipment carries out the support through removing gyro wheel 37 and can drive the equipment and remove, when equipment needs to fix, it descends to drive backup pad 33 through elevating platform 32 when backup pad 33 contacts the ground, at this moment can jack-up movable frame 31 through elevating platform 32 and backup pad 33, movable frame 31 drives and removes gyro wheel 37 and can fix equipment, make the removal and the fixed equal more convenient of equipment, and society freely supports groove 34 and inserted bar 35, when the ground is softer soil can drive the elasticity of support spring 36, can insert under the fixed bar 36, can not insert the fixed effect under the fixed ground, can normally when the fixed ground, the fixed effect is improved, can be inserted into the fixed ground, when the fixed ground is more convenient is used.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (4)
1. Transformer lifting equipment for power maintenance, which comprises a supporting platform (1), and is characterized in that: the top of the supporting platform (1) is fixedly connected with a lifting bracket (2), the bottom of the supporting platform (1) is fixedly connected with a moving device (3), and the side surface of the lifting bracket (2) is fixedly connected with a lifting device (4);
the lifting device (4) comprises:
the sliding frame (41) is provided with a vertical structure and a sliding block (42) arranged on the sliding frame (41), the sliding block (42) is in sliding connection with the sliding frame (41), and the bottom of the sliding block (42) is fixedly connected with a lifting push rod (43);
the support seat (44), the support seat (44) has a rectangular structure, and extrusion blocks (45) arranged at the bottoms of the two ends of the support seat (44), the top of each extrusion block (45) is fixedly connected with the bottom of the support seat (44), one side of each extrusion block (45) is fixedly connected with a hydraulic push rod (46), and one end of each hydraulic push rod (46) is fixedly connected with a chuck device (47);
the bottoms of the sliding frame (41) and the lifting push rod (43) are fixedly connected with the top of the supporting platform (1), one side of the supporting seat (44) is fixedly connected with the sliding block (42), and the side surface of the sliding frame (41) is fixedly connected with the side surface of the lifting support (2);
the top of the supporting seat (44) is fixedly connected with a diagonal draw bar (48), and one end of the diagonal draw bar (48) far away from the supporting seat (44) is fixedly connected with the sliding block (42);
the chuck device (47) comprises a chuck seat (471), a rotating part of a rotating seat (472) is fixedly connected to one side of the chuck seat (471), an extrusion air bag (473) is fixedly connected to the top of one side of the chuck seat (471) away from the rotating seat (472), a supporting block (474) is fixedly connected to the bottom of one side of the chuck seat (471) away from the rotating seat (472), a rotating groove (475) is formed in the top of the supporting block (474), a rotating column (476) is rotationally connected to the inner wall of the rotating groove (475), and a lifting plate (477) is fixedly connected to the top of the rotating column (476);
the fixed part of the rotating seat (472) is fixedly connected with the hydraulic push rod (46), and the rotating seat (472) is arranged at a position below the middle of the side surface of the clamp seat (471);
the movable end of the hydraulic push rod (46) is sleeved with and is connected with a supporting device (49) in a sliding mode, the supporting device (49) comprises a supporting sleeve ring (491), the top of the supporting sleeve ring (491) is rotationally connected with a rear threaded pull rod (492), one end of the threaded pull rod (492) far away from the supporting sleeve ring (491) penetrates through and is in threaded connection with a threaded sleeve (493), one end of the threaded pull rod (492) penetrating through the threaded sleeve (493) is fixedly connected with a rotating disc (494), the side face of the supporting sleeve ring (491) is fixedly connected with a tension spring (495), and one end of the tension spring (495) far away from the supporting sleeve ring (491) is fixedly connected with a tension detector (496);
the supporting collar (491) is sleeved on the movable part of the hydraulic push rod (46) and is in sliding connection with the movable part, and the top of the threaded sleeve (493) penetrates through the supporting seat (44) and is fixedly connected with the supporting seat (44).
2. A transformer lifting device for power maintenance according to claim 1, wherein: the top of the tension detector (496) is fixedly connected with the bottom of the supporting seat (44), and the rotating disc (494) is arranged in a hexagonal shape.
3. A transformer lifting device for power maintenance according to claim 1, wherein: the mobile device (3) comprises a mobile frame (31), a lifting table (32) is fixedly connected to the center of the bottom of the mobile frame (31), a supporting plate (33) is fixedly connected to the bottom of the lifting table (32), a supporting groove (34) is formed in the bottom of the supporting plate (33), an inserting rod (35) is slidably connected to the inner wall of the supporting groove (34), a supporting spring (36) is arranged between the top of the inserting rod (35) and the inner wall of the supporting groove (34), and a mobile roller (37) is fixedly connected to the edge of the bottom of the mobile frame (31).
4. A transformer lifting device for power maintenance according to claim 3, wherein: the top of the movable frame (31) is fixedly connected with the bottom of the supporting platform (1), and the supporting grooves (34) are provided with a plurality of groups and are uniformly distributed on the supporting plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532330.6A CN115771840B (en) | 2022-12-01 | 2022-12-01 | Transformer lifting equipment for power maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532330.6A CN115771840B (en) | 2022-12-01 | 2022-12-01 | Transformer lifting equipment for power maintenance |
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| Publication Number | Publication Date |
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| CN115771840A CN115771840A (en) | 2023-03-10 |
| CN115771840B true CN115771840B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211532330.6A Active CN115771840B (en) | 2022-12-01 | 2022-12-01 | Transformer lifting equipment for power maintenance |
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| CN213171116U (en) * | 2020-09-08 | 2021-05-11 | 南京和瑞供应链管理有限公司 | Clamping type lifting appliance |
| CN112141917A (en) * | 2020-09-23 | 2020-12-29 | 国网安徽省电力有限公司经济技术研究院 | Smart power grids transformer system transformer installation auxiliary device |
| CN112678728A (en) * | 2020-12-22 | 2021-04-20 | 陆睿祺 | Guide rail type hydraulic lifting platform with high adaptability |
| CN215854839U (en) * | 2021-08-24 | 2022-02-18 | 广西华南电气有限公司 | Stabilize effectual elevating gear for transformer processing |
| CN215854629U (en) * | 2021-09-30 | 2022-02-18 | 南通市登越智能科技有限公司 | Copper tray fork gets mechanism |
| CN113955679A (en) * | 2021-10-26 | 2022-01-21 | 国网山东省电力公司济南市章丘区供电公司 | Transformer hoist device for electric power construction |
| CN217437517U (en) * | 2021-11-04 | 2022-09-16 | 中铁十六局集团电气化工程有限公司 | Stabilize anti-drop's hoist for transformer hoist and mount |
| CN216997527U (en) * | 2022-01-26 | 2022-07-19 | 安徽中六电力设备有限公司 | Impact resistance conveyor suitable for transformer |
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| CN115771840A (en) | 2023-03-10 |
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