Overhead wire inlet structure of top cover of box-type transformer substation

Abstract

The utility model belongs to the field of transformer substations, and particularly relates to a box-type transformer substation top cover overhead wire inlet structure which comprises a box body, a top cover is fixedly installed on the top of the box body, supporting frames are symmetrically and fixedly connected to the two sides of the upper portion of the top cover, and each supporting frame comprises a vertical plate and a side plate. The two side plates are symmetrically and fixedly connected to the edges of the two sides of the vertical plate, a transverse rod is installed between the supporting frames on the two sides, a porcelain insulator is fixedly installed on the transverse rod, an adjusting assembly is arranged at the end of the transverse rod, and the transverse rod is installed on the supporting frames through the adjusting assembly. According to the utility model, through the arrangement of the adjusting assembly, the height of the cross rod and the height of the porcelain insulator can be rapidly changed, and the height arrangement requirement of the overhead line can be met.

Description

Technical Field

[0001] The utility model relates to the field of transformer substations, in particular to an overhead line-in structure of a box transformer top cover. Background Art

[0002] The inlet and outlet of the box-type transformer substation can be one of the following four methods: overhead line in and out, cable in and out, overhead line in and cable out, and cable in and overhead line out. Overhead lines can be used as the inlet lines of the box-type transformer, and the lines enter from the top of the box-type transformer, but the height of the box-type transformer and the lines must meet the safety distance requirements of their voltage levels.

[0003] The utility model patent with the existing application number CN202121666940.6 discloses a novel overhead line-in structure of the top cover of the box transformer housing, including a support plate, a sleeve, a box body, a top cover, a first mounting plate, a second mounting plate and a connecting rod, wherein the top end of the box body is provided with a top cover, the upper surface of the top cover is provided with a sleeve, a support plate is provided inside the sleeve, a bearing is installed inside the lower end of the support plate, a rotating block is inserted inside the bearing, a second screw hole is provided inside the sleeve and the lower end of the support plate, a connecting rod is provided between the support plates, a first mounting plate is provided at both ends of the support plate, a second mounting plate is provided at both ends of the connecting rod, a first screw hole is provided inside the first mounting plate and the second mounting plate, and a first bolt is rotatably inserted inside the first screw hole. The utility model realizes the rapid installation and fixation of the support structure by rotating the support plate and then connecting it with the connecting rod, which saves installation time for construction personnel and improves installation efficiency.

[0004] However, the above device needs to disassemble and assemble bolts many times when adjusting the height, which is complicated to operate and inconvenient to use. Therefore, an overhead line-in structure of the top cover of the box-type transformer is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problem that the prior device needs to disassemble and assemble bolts many times when adjusting the height, which is complicated to operate and inconvenient to use, the utility model proposes an overhead line-in structure for the top cover of a box-type transformer.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the overhead incoming line structure of the box-type transformer top cover described in the utility model includes a box body, a top cover is fixedly installed on the top of the box body, and support frames are symmetrically fixedly connected on both sides above the top cover, and the support frames include vertical plates and side plates, and the side plates have two and symmetrically fixedly connected to the edge positions on both sides of the vertical plates, and cross bars are installed in the middle of the support frames on both sides, and porcelain bottle insulators are fixedly installed on the cross bars. Adjustment components are provided at the ends of the cross bars, and the cross bars are installed on the support frames through the adjustment components, and the height position of the cross bars on the support frames is adjusted, and the heights of the cross bars and the porcelain bottle insulators are changed by the adjustment components to meet the height layout requirements of the overhead lines.

[0007] Preferably, the adjustment assembly includes a connecting plate fixedly connected to the end of the cross bar, and sliding grooves are symmetrically provided on the opposite side walls of the side plates on both sides. The connecting plates at both ends of the cross bar are slidably installed in the sliding grooves on both sides respectively, and sliding cavities are respectively provided in the middle of the two ends of the cross bar, and the sliding cavities extend through and extend to the outside of the connecting plate. A plug rod is slidably installed inside the sliding cavity, and one end of the plug rod extends to the outside of the connecting plate. A plurality of groups of limiting holes are provided on the vertical plate at equal intervals, and the limiting holes are adapted to the plug rod. A baffle is fixedly connected to the plug rod at a position adjacent to the end side wall, and a spring is provided between the baffle and the connecting plate. The spring sleeve is arranged on the insertion rod, a through slot is provided at the bottom of the sliding cavity, a U-shaped rod is arranged below the cross bar, one end of the U-shaped rod is fixedly connected to the bottom of the end of the insertion rod through the through slot, and the other end of the U-shaped rod extends to a T-shaped slot provided in the middle of the lower end surface of the cross bar, and a slider is fixedly connected to the side wall of one end of the U-shaped rod located inside the T-shaped slot, the slider is adapted to the T-shaped slot, and the slider is slidably arranged in the T-shaped slot. When in use, the cross bar is installed on the support frame through the cooperation of the insertion rod and the limit hole, and the position of the cross bar can be adjusted up and down, thereby adjusting the height of the porcelain bottle insulator to meet the layout requirements.

[0008] Preferably, a wire harness assembly is provided on the U-shaped rod, and the wire harness assembly includes a mounting shaft, a connecting rod and a blocking rod. A front-to-rear through-type mounting groove is provided on the U-shaped rod, and the mounting shaft is fixedly connected to the middle edge position of the mounting groove. One end of the connecting rod is rotatably installed in the middle position of the mounting shaft, and the other end of the connecting rod is fixedly connected to the end of the blocking rod. The blocking rod is configured to be semicircular, and the semicircular blocking rod is used to restrain the overhead wires to avoid scattered distribution of the overhead wires when they are long, which is inconvenient for later maintenance.

[0009] Preferably, torsion springs are sleeved at both ends of the installation shaft, and the two ends of the torsion spring are respectively fixedly connected to the side wall of the connecting rod and the inner wall of the installation groove. The torsion spring is used to drive the barrier rod to reset, thereby limiting the overhead line.

[0010] Preferably, a shift block is fixedly connected to the outer side wall of the baffle rod to facilitate the movement of the baffle rod.

[0011] Preferably, the bottom end of the vertical plate exceeds the length range of the side plates on both sides, and a mounting hole is opened on the side wall of the bottom end of the vertical plate. There are two mounting holes, and bolts are installed inside the mounting holes. A threaded hole is opened on the side wall of the top cover, and the bolts are adapted to the threaded holes. The support frame is fixed to the top cover by the cooperation of the bolts and the threaded holes.

[0012] Preferably, the bottoms of the side panels on both sides are fixedly connected with plug blocks, and a plug hole is provided at the top edge of the top cover. The plug block and the plug hole are adapted to each other, and the support frame can be installed more stably through the cooperation of the plug block and the plug hole.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model provides an adjustment component to facilitate the height adjustment of the porcelain bottle insulator to meet the wiring requirements. When in use, the U-shaped rods on both sides are pulled toward the middle at the same time, and the two ends of the U-shaped rod slide along the through groove and the T-groove respectively. At the same time, the U-shaped rod drives the insertion rod to move toward the inside of the sliding cavity, so that the end of the insertion rod is disengaged from the limiting hole. At this time, the spring is compressed, and then the position of the cross bar can be adjusted up and down. The connection plate and the slide groove cooperate to make the cross bar more stable when moving up and down. When the cross bar moves to a suitable height, the U-shaped rod is released, and the insertion rod is pushed to be reinserted into the new limiting hole under the rebound action of the spring, and the limiting is performed again to fix the position of the cross bar. The operation is simple and the adjustment efficiency is high.

[0015] 2. The utility model facilitates the arrangement and binding of overhead wires through the wire bundling assembly. When in use, the connecting rod and the barrier rod are rotated around the installation axis to open the barrier rod, and then the overhead wire is placed inside the barrier rod. The barrier rod is reset by the torsion spring to surround the overhead wire, thereby limiting the position of the overhead wire and avoiding the scattered distribution of the overhead wire, which is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0018] Figure 2 It is a structural schematic diagram of the adjustment component of the first embodiment;

[0019] Figure 3 is a cross-sectional view of the T-slot of the first embodiment;

[0020] Figure 4 It is a structural schematic diagram of the wiring harness assembly of the first embodiment;

[0021] Figure 5 It is a structural schematic diagram of the connection position between the support frame and the top cover of the second embodiment.

[0022] In the figure: 1. box body; 2. top cover; 3. support frame; 31. vertical plate; 32. side plate; 4. cross bar; 5. adjustment assembly; 51. limit hole; 52. plug rod; 53. baffle; 54. spring; 55. slide groove; 56. connecting plate; 57. slide cavity; 58. U-shaped rod; 59. through groove; 510. slider; 511. T-slot; 6. porcelain bottle insulator; 7. wire harness assembly; 71. baffle rod; 72. connecting rod; 73. mounting shaft; 74. torsion spring; 75. mounting groove; 76. shift block; 8. plug block; 9. bolt; 10. socket; 11. threaded hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-4 As shown, the overhead incoming line structure of the box-type transformer top cover comprises a box body 1, a top cover 2 is fixedly installed on the top of the box body 1, and support frames 3 are symmetrically fixedly connected on both sides of the top cover 2, and the support frame 3 comprises a vertical plate 31 and a side plate 32, and the side plate 32 has two and symmetrically fixedly connected to the edge positions on both sides of the vertical plate 31, and a cross bar 4 is installed in the middle of the support frame 3 on both sides, and a porcelain bottle insulator 6 is fixedly installed on the cross bar 4, and an adjustment component 5 is provided at the end of the cross bar 4, and the cross bar 4 is installed on the support frame 3 by the adjustment component 5, and the height position of the cross bar 4 on the support frame 3 is adjusted; when working, the height of the cross bar 4 and the porcelain bottle insulator 6 is first changed by the adjustment component 5 according to the demand, and then the overhead line is installed on the porcelain bottle insulator 6, and then connected to the box-type transformer from the top cover 2.

[0026] The adjustment assembly 5 includes a connecting plate 56 fixedly connected to the end of the cross bar 4, and the side plates 32 on both sides are symmetrically provided with sliding grooves 55 on the opposite side walls. The connecting plates 56 at both ends of the cross bar 4 are respectively slidably installed in the sliding grooves 55 on both sides. The middle of the two ends of the cross bar 4 is respectively provided with sliding cavities 57, and the sliding cavities 57 extend through and extend to the outside of the connecting plate 56. A plug rod 52 is slidably installed inside the sliding cavity 57, and one end of the plug rod 52 extends to the outside of the connecting plate 56. The vertical plates 31 are provided with the like. A plurality of groups of limiting holes 51 are provided at a certain spacing, and the limiting holes 51 are adapted to the insertion rod 52. A baffle 53 is fixedly connected to the insertion rod 52 at a position adjacent to the end side wall. A spring 54 is provided between the baffle 53 and the connecting plate 56. The spring 54 is sleeved on the insertion rod 52. A through slot 59 is provided at the bottom of the sliding cavity 57. A U-shaped rod 58 is provided below the cross bar 4. One end of the U-shaped rod 58 is fixedly connected to the bottom of the end of the insertion rod 52 through the through slot 59. The other end of the U-shaped rod 58 One end of the U-shaped rod 58 extends to the T-shaped slot 511 opened in the middle of the lower end surface of the cross bar 4, and a slider 510 is fixedly connected to the side wall of one end of the U-shaped rod 58 located inside the T-shaped slot 511. The slider 510 is adapted to the T-shaped slot 511, and the slider 510 is slidably set in the T-shaped slot 511; when working, by pulling the U-shaped rods 58 on both sides toward the middle at the same time, the two ends of the U-shaped rod 58 slide along the through slot 59 and the T-shaped slot 511 respectively, and at the same time, the U-shaped rod 58 drives the insertion rod 52 toward the sliding cavity 5 7 moves internally, causing the end of the plug rod 52 to disengage from the limiting hole 51. At this time, the spring 54 is compressed, and then the position of the cross bar 4 can be adjusted up and down. The connecting plate 56 and the slide groove 55 cooperate to make the cross bar 4 more stable when moving up and down. When the cross bar 4 moves to a suitable height, the U-shaped rod 58 is released, and the plug rod 52 is pushed to be reinserted into the new limiting hole 51 under the rebound action of the spring 54, and the limiting is performed again to fix the position of the cross bar 4. Then the overhead line can be connected to the porcelain bottle insulator 6.

[0027] The U-shaped rod 58 is provided with a wire harness assembly 7, and the wire harness assembly 7 includes a mounting shaft 73, a connecting rod 72 and a blocking rod 71. A front-to-rear through-type mounting groove 75 is opened on the U-shaped rod 58, and the mounting shaft 73 is fixedly connected to the middle edge position of the mounting groove 75, and one end of the connecting rod 72 is rotatably installed in the middle position of the mounting shaft 73, and the other end of the connecting rod 72 is fixedly connected to the end of the blocking rod 71, and the blocking rod 71 is configured as a semicircle; when working, the connecting rod 72 and the blocking rod 71 are rotated around the mounting shaft 73 as the center, so that the blocking rod 71 can be rotated open, and then the overhead line is placed on the inner side of the blocking rod, and the blocking rod 71 is reset by the torsion spring 74 to surround the overhead line, so that the overhead line can be limited to avoid the scattered distribution of the overhead line, which is convenient for later maintenance.

[0028] Torsion springs 74 are sleeved on both ends of the mounting shaft 73, and the two ends of the torsion spring 74 are respectively fixedly connected to the side wall of the connecting rod 72 and the inner wall of the mounting groove 75; during operation, when the blocking rod 71 is rotated to open, the torsion spring 74 starts to store energy, and after the blocking rod 71 is released, the torsion spring 74 drives the blocking rod 71 to reset.

[0029] A shifting block 76 is fixedly connected to the outer wall of the blocking rod 71 ; when working, the shifting block 76 can be moved to drive the blocking rod 71 to move together.

[0030] Embodiment 2

[0031] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, the bottom end of the vertical plate 31 exceeds the length range of the side plates 32 on both sides, and a mounting hole is opened on the side wall of the bottom end of the vertical plate 31. There are two mounting holes, and bolts 9 are installed inside the mounting holes. Threaded holes 11 are opened on the side walls of the top cover 2, and the bolts 9 are adapted to the threaded holes 11; when working, the mounting holes on the vertical plate 31 are aligned with the threaded holes 11, and then the bolts 9 are inserted into the mounting holes from the outside, and the bolts 9 are screwed into the threaded holes 11, so as to fix the support frame 3 on the side of the top cover 2.

[0032] The bottom of the side panels 32 on both sides are respectively fixedly connected with plug blocks 8, and the top edge of the top cover 2 is provided with a plug hole 10, and the plug block 8 and the plug hole 10 are adapted; when working, the support frame 3 is vertically lowered so that the plug block 8 is inserted into the plug hole 10, which can prevent the support frame 3 from tipping over, facilitate the installation of the support frame 3, and make the installation more stable.

[0033] Working principle: when in use, by pulling the U-shaped rod 58 on both sides toward the middle at the same time, the two ends of the U-shaped rod 58 slide along the through groove 59 and the T-shaped groove 511 respectively, and at the same time, the U-shaped rod 58 drives the insertion rod 52 to move toward the inside of the sliding cavity 57, so that the end of the insertion rod 52 is disengaged from the limiting hole 51. At this time, the spring 54 is compressed, and then the position of the cross bar 4 can be adjusted up and down. Through the cooperation of the connecting plate 56 and the sliding groove 55, the cross bar 4 can be more stable when moving up and down. When the cross bar 4 moves to a suitable height, the U-shaped rod 58 is released, and the insertion rod 52 is pushed to be reinserted into the new limiting hole 51 under the rebound action of the spring 54, and the limiting is performed again to fix the position of the cross bar 4. After that, the overhead line can be connected to the porcelain bottle insulator 6. In addition, the connecting rod 72 and the blocking rod 71 are rotated around the installation shaft 73 to open the blocking rod 71, and then the overhead wire is placed inside the blocking rod, and the blocking rod 71 is reset by the torsion spring 74 to surround the overhead wire, so that the overhead wire can be limited to avoid the scattered distribution of the overhead wire, which is convenient for later maintenance. Finally, the overhead wire is connected to the inside of the box 1.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. The overhead line-in structure of the box-type transformer top cover is characterized by: The invention comprises a box body (1), a top cover (2) is fixedly mounted on the top of the box body (1), a support frame (3) is symmetrically fixedly connected to the upper sides of the top cover (2), the support frame (3) comprises a vertical plate (31) and a side plate (32), the side plate (32) has two symmetrically fixedly connected to the edge positions on both sides of the vertical plate (31), a cross bar (4) is mounted in the middle of the support frame (3) on both sides, a porcelain bottle insulator (6) is fixedly mounted on the cross bar (4), an adjustment component (5) is arranged at the end of the cross bar (4), the cross bar (4) is mounted on the support frame (3) by the adjustment component (5), and the height position of the cross bar (4) on the support frame (3) is adjusted.

2. The overhead line inlet structure of the box-type transformer top cover according to claim 1 is characterized in that: The adjustment assembly (5) comprises a connecting plate (56) fixedly connected to the end of the cross bar (4), and the side plates (32) on both sides are symmetrically provided with sliding grooves (55) on the opposite side walls. The connecting plates (56) at both ends of the cross bar (4) are respectively slidably installed in the sliding grooves (55) on both sides. The middle of the two ends of the cross bar (4) is respectively provided with sliding cavities (57), and the sliding cavities (57) extend through and extend to the outside of the connecting plate (56). A plug rod (52) is slidably installed inside the sliding cavity (57), and one end of the plug rod (52) extends to the outside of the connecting plate (56). A plurality of groups of limiting holes (51) are evenly spaced on the vertical plate (31), and the limiting holes (51) are adapted to the plug rod (52). The plug rod (52) is fixedly connected with a stopper at a position adjacent to the end side wall. A plate (53) is provided between the baffle plate (53) and the connecting plate (56), and the spring (54) is sleeved on the insertion rod (52). A through slot (59) is provided at the bottom of the sliding cavity (57). A U-shaped rod (58) is provided below the cross bar (4), and one end of the U-shaped rod (58) is fixedly connected to the bottom of the end of the insertion rod (52) through the through slot (59). The other end of the U-shaped rod (58) extends to a T-shaped slot (511) provided at the middle position of the lower end surface of the cross bar (4). A sliding block (510) is fixedly connected to the side wall of one end of the U-shaped rod (58) located inside the T-shaped slot (511), and the sliding block (510) is adapted to the T-shaped slot (511), and the sliding block (510) is slidably provided in the T-shaped slot (511).

3. The overhead line inlet structure of the box-type transformer top cover according to claim 2 is characterized in that: The U-shaped rod (58) is provided with a wiring harness assembly (7), and the wiring harness assembly (7) comprises a mounting shaft (73), a connecting rod (72) and a blocking rod (71). The U-shaped rod (58) is provided with a front-to-rear through-type mounting groove (75), the mounting shaft (73) is fixedly connected to the middle edge position of the mounting groove (75), one end of the connecting rod (72) is rotatably mounted at the middle position of the mounting shaft (73), and the other end of the connecting rod (72) is fixedly connected to the end of the blocking rod (71), and the blocking rod (71) is arranged in a semicircular shape.

4. The overhead line inlet structure of the box-type transformer top cover according to claim 3 is characterized in that: Torsion springs (74) are sleeved on both ends of the installation shaft (73), and both ends of the torsion spring (74) are fixedly connected to the side wall of the connecting rod (72) and the inner wall of the installation groove (75) respectively.

5. The overhead line inlet structure of the box-type transformer top cover according to claim 4 is characterized in that: A shift block (76) is fixedly connected to the outer side wall of the blocking rod (71).

6. The overhead line inlet structure of the box-type transformer top cover according to claim 5 is characterized in that: The bottom end of the vertical plate (31) exceeds the length range of the side plates (32) on both sides. A mounting hole is provided on the side wall of the bottom end of the vertical plate (31). Two mounting holes are provided. Bolts (9) are installed inside the mounting holes. A threaded hole (11) is provided on the side wall of the top cover (2). The bolts (9) are adapted to fit the threaded hole (11).

7. The overhead line inlet structure of the box-type transformer top cover according to claim 6 is characterized in that: The bottoms of the side panels (32) on both sides are respectively fixedly connected with plug blocks (8), and a plug hole (10) is provided at the top edge of the top cover (2), and the plug block (8) and the plug hole (10) are adapted to fit.

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