CN110571690B - Transformer substation overhauls operation platform - Google Patents
Transformer substation overhauls operation platform Download PDFInfo
- Publication number
- CN110571690B CN110571690B CN201910926010.0A CN201910926010A CN110571690B CN 110571690 B CN110571690 B CN 110571690B CN 201910926010 A CN201910926010 A CN 201910926010A CN 110571690 B CN110571690 B CN 110571690B
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- channel steel
- steel
- groove
- rod
- bedplate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 192
- 239000010959 steel Substances 0.000 claims abstract description 192
- 239000012212 insulator Substances 0.000 claims abstract description 47
- 230000003068 static effect Effects 0.000 claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 10
- 239000004568 cement Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
A transformer substation overhauling operation platform relates to an operation platform, wherein a straight groove steel B (20) at the rear part of a static semicircle channel steel (19) is fixed at one side of the middle part of the lower surface of a bedplate (2), square pipe steel (16) is arranged at the front part of the static semicircle channel steel, the outer part of a push rod (15) is penetrated in two through holes (29) of the square pipe steel, and a spring B (17) is arranged on the push rod between the groove back surface of a channel steel locking block (14) at the inner end of the push rod and the square pipe steel; a straight groove steel A (7) at the rear part of the movable semicircular channel steel (11) is close to the other side of the middle part of the lower surface of the front connecting bedplate, and a spring A (4) is arranged between the straight groove steel B and the rear part of the straight channel steel A; the upper end of the inclined rod (6) is hinged with the bedplate, the lower end of the inclined rod is provided with an arc-shaped channel steel (18), and the arc-shaped channel steel is propped against the side (42) of the lower insulator; according to the invention, the bedplate is clamped on the insulator through the static semicircular channel steel, the channel steel locking block, the movable semicircular channel steel and the arc-shaped channel steel, so that the convenience in overhaul operation of the transformer substation is obtained.
Description
Technical Field
The invention relates to an operation platform suitable for insulators, in particular to an overhaul operation platform used on a transformer substation insulator.
Background
As known, the main function of the transformer substation is to transform the electric power accessed by the electric network, so as to adapt to the electricity demand of factories and mines, enterprises and public institutions, residential communities or commercial enterprises through transformation; in the voltage transformation level, a small power grid conveying mode mainly comprising 35kV as a terminal substation is developed gradually into a substation taking an extra-high voltage 1000kV substation and a 500kV substation as hub substations and 220kV and 110kV substations as terminals;
referring to the transformer substation schematic diagram of fig. 9, a high-voltage cable (44) on a high-voltage tower (61) cross arm (45) of a national power grid is connected to an insulator string (46) of a rack through a plurality of vertical rods (59) led into a transformer substation enclosing wall (60), a lightning rod (47) and equipment for fixing the high-voltage cable (44) are arranged on the connection rack, then the high-voltage cable enters a machine room (52) after passing through a plurality of equipment, and is transported outwards after being transformed; the devices are necessary devices for a high-voltage cable (44) to enter a machine room (52), and mainly comprise insulators (49) of hanging frames (48) on the upper parts of upright posts (58), sulfur hexafluoride circuit breakers (50) on the upper ends of upright post insulator strings (55) on transverse posts (57) on the upper ends of cement supporting rods (56), current transformers (51) on V-shaped insulator strings (53) on the upper ends of cement supporting rods (54) and the like, wherein specific numbers and configurations are set according to actual needs of a transformer substation; the main tasks of operators of these devices are the operation, maintenance, test and inspection of various devices and line contacts; the inspection of the transformer substation is to inspect whether the appearance of the equipment is abnormal or not by periodically inspecting the equipment by a person on duty, such as whether the color is changed, whether sundries are present or not, whether the instrument indication is normal or not, whether the sound of the equipment is normal or not, whether the abnormal smell is present or not, whether the temperature of the equipment which is allowed to be contacted is normal or not, and measuring the change of the operation parameters of the electrical equipment in operation, etc. so as to judge whether the operation condition of the equipment is normal or not; the equipment operation condition is known through regular inspection of the attendant, the operation abnormality is mastered, and corresponding measures are timely taken, so that the method has important significance for reducing the occurrence of accidents and the influence range thereof.
For the places where problems occur in the inspection of the transformer substation are mainly on the equipment on the upper part or the lower part of the insulator, on-duty personnel need to report rapidly and start power-off and maintenance operation according to the dispatching instructions, as the outdoor equipment of the transformer substation is mostly hung or positioned at the upper end of the insulator through the insulator, tools, parts and the like in the construction process cannot be placed, all used tools and parts need to be searched in a tool kit, the operation progress is seriously affected, and the problems are the main problems of restricting rapid power supply recovery.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a transformer substation overhaul operation platform, which is characterized in that a bedplate is clamped on an insulator through a static semicircular channel steel, a channel steel locking piece, a movable semicircular channel steel and an arc-shaped channel steel, so that convenience in transformer substation overhaul operation is obtained.
The technical scheme for realizing the invention is as follows:
the transformer substation overhauling operation platform comprises a bedplate, static semicircle channel steel, fang Guangang, channel steel locking blocks, movable semicircle channel steel, inclined rods and arc channel steel, wherein straight channel steel B at the rear part of the static semicircle channel steel is fixed at one side of the middle part of the lower surface of the bedplate, square pipe steel is arranged at the front part of the static semicircle channel steel, the outside of a push rod movably penetrates through two through holes of the square pipe steel, the inner end of the push rod is fixedly connected with the groove back surface of the channel steel locking blocks, and a spring B is arranged on the push rod between the groove back surface of the channel steel locking blocks and the square pipe steel; the straight channel steel A at the rear part of the movable semicircular channel steel is hinged to the other side of the middle part of the lower surface of the bedplate near the front part, and a spring A is arranged between the straight channel steel B and the rear part of the straight channel steel A; the groove of the static semicircle channel steel, the groove of the channel steel locking block and the groove of the movable semicircle channel steel form the locking of the side of the upper insulator; the upper end of the inclined rod is hinged to the outer portion of the lower face of the bedplate, the arc-shaped channel steel arranged at the lower end of the inclined rod is positioned at the rear lower portion of the static semicircle channel steel and the rear lower portion of the movable semicircle channel steel, and the arc-shaped channel steel is propped against the side of the lower insulator to obtain stable support of the bedplate.
The transformer substation overhauling operation platform is characterized in that the periphery of the upper surface of the bedplate is respectively provided with an upward protruding platform edge.
The transformer substation overhauling operation platform is characterized in that a rubber surface with a groove is arranged in the groove of the static semicircular channel steel; the groove of the movable semicircular channel steel is internally provided with a rubber surface with a groove.
The transformer substation overhauling operation platform is characterized in that a rubber inner face A with a groove is arranged in the groove of the arc-shaped channel steel.
The transformer substation overhauling operation platform is characterized in that one side of the middle part of the lower surface of the bedplate is fixedly connected with the upper end face of the T-shaped plate, and straight groove steel B at the rear part of the static semicircle channel steel is fixed on a vertical plate at the lower part of the T-shaped plate; the other side of the middle part of the lower surface of the bedplate is fixedly connected with the upper end face of the shaft upper expanding rod, a shaft seat arranged close to the front part of a straight channel steel A at the rear part of the movable semicircular channel steel is sleeved on the upper part of a shaft lever B at the lower part of the shaft upper expanding rod, a pin hole C is formed in the lower end of the shaft lever B, and the middle part of a cotter pin penetrates through the pin hole C.
The transformer substation overhauling operation platform is characterized in that a bearing is sleeved on the outer edge of the upper portion of the shaft lever B, and the outer ring of the bearing is in interference fit with a hole of the shaft seat.
The transformer substation overhauling operation platform is characterized in that a handle is arranged on the outer side of the front portion of the movable semicircular channel steel.
The transformer substation overhaul operation platform is characterized in that the upper end of the inclined rod is fixedly connected with the lower surface of the connecting plug, a connecting block is arranged outside the lower surface of the bedplate, a gap is formed in the middle of the connecting block, the connecting block is positioned in the gap, the middle of the shaft rod A is positioned in a shaft hole B of the connecting block, and two ends of the shaft rod A are respectively fixed in the shaft holes A of the walls of the two gaps of the connecting block to form hinged connection; the upper end face of the connecting plug block is a herringbone inclined plane, and the middle of the upper end face of the connecting plug block is close to the middle of the opening bottom plane of the opening.
The transformer substation overhauling operation platform is characterized in that a filling block is arranged in a groove at the rear part of the straight groove steel B, and a through hole penetrating through the straight groove steel B is formed in the rear part of the filling block; the back portion of being close to of straight channel-section steel A is equipped with the slotted hole, and spring A that is located between filler perforation and the slotted hole of straight channel-section steel A overlaps on wearing the pin pole, wears the expanding head of pin pole one end and is located the outside of straight channel-section steel A slotted hole, wears the other end of being close to of pin pole and is located straight channel-section steel B perforation outside, and cotter pin B wears in the pinhole B of pin pole other end.
The transformer substation overhauling operation platform is characterized in that a connecting plate arranged inside one side of the square tube steel is fixedly connected with the front part of the static semicircle channel steel; a pin hole A is formed in the ejector rod outside the square tube steel, and a cotter pin A is arranged on the pin hole A; the inner surface of the groove of the inner end channel steel locking piece of the ejector rod is provided with a rubber inner surface B.
Through the above disclosure, the beneficial effects of the invention are:
according to the transformer substation overhaul operation platform, when overhaul of an insulator or equipment on the insulator is needed, an overhaul worker pulls a handle to open a static semicircular channel steel and a movable semicircular channel steel according to actual construction requirements, a groove of the static semicircular channel steel is clamped on one side of an insulator side with a required height, at the moment, a groove of a channel steel locking block is also clamped on the insulator side, a groove of the movable semicircular channel steel is loosened to clamp the other side of the insulator side, the channel steel locking block is jointly acted by two through holes of square tube steel and assisted by the movable semicircular channel steel, firm locking of the insulator side can be formed, and an arc-shaped channel steel is clamped on the insulator side with a proper lower part by the groove according to actual conditions, so that a bedplate can be used for placing tools or parts for operation; the invention overcomes the defect that the working platform cannot be arranged on the insulator string in the prior art, realizes quick construction operation and is convenient for operators to select or pick and place tools and workpieces.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a schematic view of a static semicircular channel steel in a three-dimensional structure of the invention;
fig. 4 is a schematic view of a three-dimensional structure of a movable semicircular channel steel of the present invention;
FIG. 5 is a schematic view of a pallet in perspective;
FIG. 6 is a schematic view of the bottom structure of the platen of the present invention;
FIG. 7 is a perspective view of a diagonal rod of the present invention;
FIG. 8 is a schematic view of the structure of the present invention clamped on an insulator;
FIG. 9 is a schematic diagram of the distribution and structure of the primary equipment of an existing substation;
in the figure: 1. a table edge; 2. a platen; 3. a T-shaped plate; 4. a spring A; 5. a connecting block; 6. a diagonal rod; 7. straight channel steel A; 8. a diameter expanding head; 9. a shaft upper portion expanding rod; 10. a shaft seat; 11. a dynamic semicircular channel steel; 12. a handle; 13. an insulator; 14. a channel steel locking block; 15. a push rod; 16. square tube steel; 17. a spring B; 18. arc channel steel; 19. static semicircle channel steel; 20. straight channel steel B; 21. a shaft lever A; 22. a shaft lever B; 23. a rubber inner surface A; 24. filling blocks; 25. perforating; 26. a rubber inner surface B; 27. pin holes A; 28. cotter pin a; 29. a through hole; 30. a connecting plate; 31. cotter pin B; 32. a slotted hole; 33. a bearing; 34. pin holes B; 35. a notch; 36. a shaft hole A; 37. a pin hole C; 38. a lower face; 39. herringbone inclined planes; 40. connecting the plug blocks; 41. a shaft hole B; 42. an insulator edge; 43. an insulator groove; 44. a high voltage cable; 45. a cross arm; 46. insulator string hanging; 47. a lightning rod; 48. a hanging rack; 49. an insulator; 50. sulfur hexafluoride circuit breaker; 51. a current transformer; 52. a machine room; 53. a V-shaped insulator string; 54. a cement prop; 55. column insulator string; 56. a cement strut; 57. a cross column; 58. a column; 59. a vertical rod; 60. a wall; 61. a high-pressure tower.
Detailed Description
The invention is further illustrated below with reference to examples; the following examples are not intended to limit the invention, but merely as a means for supporting the practice of the invention, and any equivalent structural substitutions within the technical framework of the invention disclosed herein are intended to be within the scope of the invention;
the transformer substation maintenance operation platform comprises a bedplate 2, a static semicircle channel steel 19, square tube steel 16, a channel steel locking block 14, a movable semicircle channel steel 11, inclined rods 6 and arc channel steel 18, wherein the periphery of the upper surface of the bedplate 2 is respectively provided with an upward protruding platform edge 1, the upward protruding platform edge 1 prevents tools and workpieces from falling off during high-altitude operation, a rubber surface with grooves is arranged in a groove of the static semicircle channel steel 19, the rubber surface prevents scratches on an insulator edge 42, a straight groove steel B20 at the rear part of the static semicircle channel steel 19 is fixed on one side of the middle part of the lower surface of the bedplate 2, square tube steel 16 is arranged at the front part of the static semicircle channel steel 19, the outer part of a mandril 15 is movably penetrated into two through holes 29 of the square tube steel 16, the inner end of the mandril 15 is fixedly connected with the groove back surface of the channel steel locking block 14, and a spring B17 is arranged on the mandril 15 between the groove back surface of the channel steel locking block 14 and the square tube steel 16; in the embodiment shown in fig. 1 and 3, considering that a certain interval should be left between the square tube steel 16 and the insulator edge 42 when the square tube steel 16 is used, the application shows that the connecting plate 30 arranged inside one side of the square tube steel 16 is fixedly connected with the front part of the static semicircle channel steel 19, so that the interval between the inner surface of the square tube steel 16 and the insulator edge 42 can be obtained, and the front end part of the static semicircle channel steel 19 can be extended to be connected with the square tube steel 16 instead; a pin hole A27 is formed in the ejector rod 15 outside the square tube steel 16, and a cotter pin A28 is arranged on the pin hole A27; the inner surface of the groove of the channel steel locking block 14 at the inner end of the ejector rod 15 is provided with a rubber inner surface B26; a handle 12 is arranged on the outer side of the front part of the movable semicircular channel steel 11, a rubber surface with a groove is arranged in the groove of the movable semicircular channel steel 11, a straight channel steel A7 at the rear part of the movable semicircular channel steel 11 is hinged to the other side of the middle part of the lower surface of the bedplate 2 near the front part, and a spring A4 is arranged between a straight channel steel B20 and the rear part of the straight channel steel A7; locking the upper insulator edge 42 by the groove of the static semicircular channel steel 19, the groove of the channel steel locking block 14 and the groove of the dynamic semicircular channel steel 11; the upper end of the inclined rod 6 is hinged with the outer part of the lower surface of the bedplate 2, the arc-shaped channel steel 18 arranged at the lower end of the inclined rod 6 is positioned at the rear lower part of the static semicircular channel steel 19 and the movable semicircular channel steel 11, a rubber inner surface A23 with a groove is arranged in the groove of the arc-shaped channel steel 18, the rubber inner surface A23 prevents the side 42 of the insulator from being scratched, and the arc-shaped channel steel 18 is propped against the side 42 of the lower insulator to obtain stable support of the bedplate 2.
Referring to fig. 1, 2, 3, 4 and 6, one side of the middle part of the lower surface of the bedplate 2 is fixedly connected with the upper end surface of the T-shaped plate 3, and a straight groove steel B20 at the rear part of the static semicircle channel steel 19 is fixed on a vertical plate at the lower part of the T-shaped plate 3; the other side of the middle part of the lower part of the bedplate 2 is fixedly connected with the upper end face of the shaft upper expanding rod 9, a straight channel A7 at the rear part of the movable semicircular channel steel 11 is close to the outer ring of a bearing 33 of a shaft seat 10 sleeve arranged at the front part, the inner ring of the bearing 33 is sleeved on the upper part of a shaft lever B22 at the lower part of the shaft upper expanding rod 9, a pin hole C37 is arranged at the lower end of the shaft lever B22, and the middle part of a cotter pin penetrates through the pin hole C37.
Referring to fig. 1, 2, 3, 4, 6 and 7, the upper end of the diagonal rod 6 is fixedly connected with the lower surface 38 of the connecting plug 40, a connecting block 5 is arranged outside the lower surface of the platen 2, a notch 35 is arranged in the middle of the connecting block 5, the connecting block 5 is positioned in the notch 35, the middle of a shaft rod a21 is positioned in a shaft hole B41 of the connecting block 5, and two ends of the shaft rod a21 are respectively fixed in shaft holes a36 of the walls of the two notches 35 of the connecting block 5 to form hinged connection; wherein the upper end face of the connecting plug 40 is a herringbone inclined surface 39, and the middle part of the upper end face of the connecting plug 40 is close to the upper plane in the opening 35 at the middle part of the plane at the bottom of the opening 35.
Referring to fig. 1, 2 and 3, a filling block 24 is arranged in a rear groove of the straight channel steel B20, and a through hole 25 penetrating through the straight channel steel B20 is arranged at the rear part of the filling block 24; the rear part of the straight channel steel A7, which is close to the rear part, is provided with a slotted hole 32, a spring A4 positioned between the perforation 25 of the filling block 24 and the slotted hole 32 of the straight channel steel A7 is sleeved on a pin penetrating rod, a diameter expanding head 8 at one end of the pin penetrating rod is positioned at the outer side of the slotted hole 32 of the straight channel steel A7, the other end of the pin penetrating rod, which is close to the other end, is positioned at the outer side of the perforation 25 of the straight channel steel B, and a cotter pin B31 is penetrated in a pin hole B34 at the other end of the pin penetrating rod.
With reference to fig. 1 to 9, the transformer substation overhaul operation platform disclosed by the invention is formed by cold pressing a bedplate 2, a static semicircular channel steel 19, a dynamic semicircular channel steel 11, a channel steel locking piece 14 and an arc-shaped channel steel 18 by using steel plates with the thickness of one millimeter to two millimeters; then, rubber sheets with proper sizes are used for bonding all the grooves of the static semicircular channel steel 19 and the dynamic semicircular channel steel 11; the rubber inner face B26 of the channel steel locking piece 14 and the rubber inner face A23 of the arc channel steel 18 are bonded in the same way; the straight channel steel A7 is connected with the shaft seat 10, the movable semicircular channel steel 11 is connected with the handle 12, the connecting plate 30 is connected with the static semicircular channel steel 19, the straight channel steel B20 is connected with the filling block 24 and the T-shaped plate 3, the T-shaped plate 3 is connected with the bedplate 2, the connecting block 5 of the bedplate 2 and the shaft upper expanding rod 9, the inclined rod 6 is connected with the connecting plug 40 and the arc channel steel 18, and the channel steel locking block 14 is connected with the ejector rod 15 in a welding mode;
the assembly process is as follows:
fixing the outer ring of the bearing 33 in a hole of the shaft seat 10, penetrating a pin penetrating rod into a long round hole 32 of the straight channel steel A7 and the spring A4 by the handheld expanding head 8, inserting an inner hole of the inner ring of the bearing 33 corresponding to a shaft rod B22 at the lower part of the shaft expanding rod 9 at the upper part of the shaft, wherein the tension of the spring A4 can be utilized by the inner side of the square tube steel 16, and then separating two thin rods of the split pin after penetrating a pin hole C37 by using the split pin; penetrating the pin penetrating rod into the through hole 25 of the filling block 24 and the corresponding hole of the straight groove steel B20, and then penetrating the pin penetrating rod into the pin hole B34 of the pin penetrating rod through the cotter pin B31; the spring B17 is sleeved on the ejector rod 15, and then the outer end of the ejector rod 15 passes through two through holes 29 of the square tube steel 16 and then passes through a pin hole A27 at the outer end of the ejector rod 15 by using a cotter pin A28 to separate two thin rods of the cotter pin A28; the connecting plug 40 at the upper end of the inclined rod 6 is placed into the notch 35 of the connecting block 5 and is fixed by the shaft rod A21.
When the tool is used, with reference to fig. 8 or 9, according to the fact that an overhauling object is an insulator hanging string 46 or a lightning rod 47 of an access frame, an insulator 49 fastener of a hanging frame 48 on the upper portion of a stand column 58, a sulfur hexafluoride breaker 50 on the upper end of a stand column insulator string 55 on a transverse column 57 on the upper end of a cement strut 56, a current transformer 51 on a V-shaped insulator string 53 on the upper end of the cement strut 54, then climbing up to an operation site by using a climbing object, lifting the tool by using a rope, pulling out the handle 12 by one hand, enabling a groove of a static semicircle channel steel 19 and a groove of a channel steel locking piece 14 to correspond to an insulator edge 42 of an insulator 13 at a proper position and be clamped, loosening the handle 12, then clamping the other side of the insulator edge 42 by moving the semicircle channel steel 11, then clamping the arc channel steel 18 on the insulator edge 42 of the lower portion insulator 13, at the moment, and after the tool workpieces are wrapped up by using a tool, the construction can be used, and the semicircular channel steel 11 can be quickly pulled down by using the handle 12 after the construction is completed.
The invention is not described in detail in the prior art.
Claims (8)
1. The utility model provides a transformer substation overhauls operation platform, includes platen (2), quiet semicircle channel-section steel (19), side's pipe steel (16), channel-section steel locking piece (14), moves semicircle channel-section steel (11), dead lever (6) and arc channel-section steel (18), characterized by: the straight groove steel B (20) at the rear part of the static semicircle channel steel (19) is fixed at one side of the middle part of the lower surface of the bedplate (2), square pipe steel (16) is arranged at the front part of the static semicircle channel steel (19), the outside of the ejector rod (15) movably penetrates through two through holes (29) of the square pipe steel (16), the inner end of the ejector rod (15) is fixedly connected with the groove back surface of the channel steel locking block (14), and a spring B (17) is arranged on the ejector rod (15) between the groove back surface of the channel steel locking block (14) and the square pipe steel (16); a straight groove steel A (7) at the rear part of the movable semicircular channel steel (11) is hinged to the other side of the middle part of the lower surface of the bedplate (2) near the front part, and a spring A (4) is arranged between a straight groove steel B (20) and the rear part of the straight groove steel A (7); locking the upper insulator edge (42) by the groove of the static semicircle channel steel (19), the groove of the channel steel locking block (14) and the groove of the movable semicircle channel steel (11); the upper end of the inclined rod (6) is hinged with the outer part of the lower surface of the bedplate (2), an arc-shaped channel steel (18) arranged at the lower end of the inclined rod (6) is positioned at the rear lower part of the static semicircular channel steel (19) and the movable semicircular channel steel (11), and the arc-shaped channel steel (18) is propped against the side (42) of the lower insulator to obtain the stable support of the bedplate (2);
a filling block (24) is arranged in a rear groove of the straight groove steel B (20), and a through hole (25) penetrating through the straight groove steel B (20) is arranged at the rear part of the filling block (24); a slotted hole (32) is formed in the rear part of the straight channel steel A (7) close to the rear part, a spring A (4) between a perforated hole (25) of the filling block (24) and the slotted hole (32) of the straight channel steel A (7) is sleeved on a pin penetrating rod, a diameter expanding head (8) at one end of the pin penetrating rod is positioned at the outer side of the slotted hole (32) of the straight channel steel A (7), the other end of the pin penetrating rod close to the other end of the pin penetrating rod is positioned at the outer side of a perforated hole (25) of the straight channel steel B, and a cotter pin B (31) penetrates into a pin hole B (34) at the other end of the pin penetrating rod;
a connecting plate (30) arranged inside one side of the square tube steel (16) is fixedly connected with the front part of the static semicircle channel steel (19); a pin hole A (27) is formed in the ejector rod (15) outside the square tube steel (16), and a cotter pin A (28) is arranged on the pin hole A (27); the inner surface of the groove of the inner end channel steel locking block (14) of the ejector rod (15) is provided with a rubber inner surface B (26).
2. The substation maintenance operation platform according to claim 1, characterized in that: the periphery of the upper surface of the bedplate (2) is respectively provided with a upwards-protruding bedplate edge (1).
3. The substation maintenance operation platform according to claim 1, characterized in that: a rubber surface with a groove is arranged in the groove of the static semicircle channel steel (19); rubber surfaces with grooves are arranged in the grooves of the movable semicircular channel steel (11).
4. The substation maintenance operation platform according to claim 1, characterized in that: a rubber inner surface A (23) with a groove is arranged in the groove of the arc-shaped channel steel (18).
5. The substation maintenance operation platform according to claim 1, characterized in that: one side of the middle part of the lower surface of the bedplate (2) is fixedly connected with the upper end surface of the T-shaped plate (3), and a straight groove steel B (20) at the rear part of the static semicircular channel steel (19) is fixed on a vertical plate at the lower part of the T-shaped plate (3); the other side of the middle part of the lower part of the bedplate (2) is fixedly connected with the upper end face of the shaft upper part expanding rod (9), a shaft seat (10) which is arranged close to the front part of a straight groove steel A (7) at the rear part of the movable semicircular channel steel (11) is sleeved on the upper part of a shaft rod B (22) at the lower part of the shaft upper part expanding rod (9), a pin hole C (37) is arranged at the lower end of the shaft rod B (22), and the middle part of a cotter pin penetrates through the pin hole C (37).
6. The substation maintenance operation platform according to claim 5, characterized in that: the bearing (33) is sleeved on the outer edge of the upper part of the shaft lever B (22), and the outer ring of the bearing (33) is in interference fit with the hole of the shaft seat (10).
7. The substation maintenance operation platform according to claim 1, characterized in that: a handle (12) is arranged on the outer side of the front part of the movable semicircular channel steel (11).
8. The substation maintenance operation platform according to claim 1, characterized in that: the upper end of the inclined rod (6) is fixedly connected with the lower surface (38) of the connecting plug (40), a connecting block (5) is arranged outside the lower surface of the bedplate (2), a notch (35) is arranged in the middle of the connecting block (5), the connecting block (5) is positioned in the notch (35), the middle of the shaft rod A (21) is positioned in a shaft hole B (41) of the connecting block (5), and two ends of the shaft rod A (21) are respectively fixed in the shaft holes A (36) of the walls of the two notches (35) of the connecting block (5) to form hinged connection; the upper end face of the connecting plug block (40) is a herringbone inclined plane (39), and the middle part of the upper end face of the connecting plug block (40) is close to the middle part of the plane of the bottom of the opening (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN210246104U (en) * | 2019-09-27 | 2020-04-03 | 国网河南省电力公司宜阳县供电公司 | Transformer substation overhauls operation platform |
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| CN203193161U (en) * | 2013-04-22 | 2013-09-11 | 国家电网公司 | Porcelain vase mounting fixture for high-voltage isolation switch |
| CN203813331U (en) * | 2014-05-13 | 2014-09-03 | 国家电网公司 | Bottle lifting device special for insulator chain |
| CN204048796U (en) * | 2014-06-19 | 2014-12-31 | 国网河南孟津县供电公司 | A kind of work high above the ground stool being applicable to steel pipe pole |
| CN207926062U (en) * | 2017-12-06 | 2018-09-28 | 国网青海省电力公司 | Card fixture under one kind ± 400kV transmission line of electricity I type strings |
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