High-low voltage insulation isolation folding mechanism

Abstract

The utility model discloses a folding mechanism for high-low voltage insulation isolation. The folding mechanism comprises a first high-voltage conducting rod, a first low-voltage threading rod, a second high-voltage conducting rod and a second low-voltage threading rod, during folding or unfolding, the first high-voltage conducting rod, the first low-voltage threading rod, the follow-up gearbox structure and the reduction gearbox form a parallelogram structure, and the first high-voltage conducting rod and the first low-voltage threading rod are always kept parallel during moving. The second high-voltage conducting rod, the second low-voltage threading rod, the follow-up gear box structure and the follow-up seat body form a parallelogram structure, and the second high-voltage conducting rod and the second low-voltage threading rod are always parallel during movement, so that in the whole process, the distance between the first high-voltage conducting rod and the first low-voltage threading rod is always consistent, and the service life of the second high-voltage conducting rod is prolonged. And the distance between the second high-voltage conducting rod and the second low-voltage threading rod is always consistent, so that the phenomenon that the distance is too close is avoided, the voltage breakdown phenomenon is avoided, and higher safety is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage transmission lines, in particular to a folding mechanism for high- and low-voltage insulation isolation. Background Art

[0002] A folding mechanism for high- and low-voltage insulation isolation needs to be installed on high-voltage transmission lines. Its function is to carry high- and low-voltage wires and to fold and move them. During the folding process, a certain isolation distance is maintained between the high- and low-voltage wires. However, the current folding mechanism for high- and low-voltage insulation isolation has the following defects:

[0003] When the current folding mechanism of high- and low-voltage insulation isolation is folded, the distance between the high-voltage pole connecting the high-voltage line and the low-voltage pole connecting the low-voltage line will continue to change, which will result in a close distance, easily causing voltage breakdown and posing certain safety hazards.

[0004] To this end, we propose a folding mechanism with high and low voltage insulation isolation to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a folding mechanism for high and low voltage insulation isolation to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a folding mechanism for high-low voltage insulation isolation, comprising a first high-voltage conductive rod, a first low-voltage threading rod, a second high-voltage conductive rod, a second low-voltage threading rod, a follower gear box structure, a reduction box and a follower seat body, wherein one end of the first high-voltage conductive rod is rotatably set on the reduction box, the other end of the first high-voltage conductive rod is rotatably set on the follower gear box structure, one end of the first low-voltage threading rod is fixedly set on the output shaft of the reduction box, the other end of the first low-voltage threading rod is rotatably set on the follower gear box structure, the first high-voltage conductive rod and the first low-voltage threading rod are parallel to each other, one end of the second high-voltage conductive rod is rotatably set on the follower seat body, the other end of the second high-voltage conductive rod is rotatably set on the follower gear box structure, one end of the second low-voltage threading rod is rotatably set on the follower seat body, the other end of the second low-voltage threading rod is rotatably set on the follower gear box structure, the second high-voltage conductive rod and the second low-voltage threading rod are parallel to each other, the first high-voltage conductive rod and the second high-voltage conductive rod are located on the same vertical plane, and the first low-voltage threading rod and the second low-voltage threading rod are located on the same vertical plane.

[0007] Preferably, the follower gear box structure includes a box body, in which a driving gear and a driven gear are rotatably connected, the driving gear is meshed with the driven gear, the top side wall of the box body is rotatably connected to the upper turntable, and the bottom side wall of the box body is rotatably connected to the lower turntable, the driving gear shaft is located outside the side wall of the box body and fixedly connected to the first seat body, and the driven gear shaft is located outside the side wall of the box body and fixedly connected to the second seat body.

[0008] Preferably, the two ends of the first high-voltage conductive rod are fixedly connected to two first end frames, the side walls of the two first end frames are fixedly connected to two first support insulators, the side wall of the reduction gearbox is rotatably connected to the first turntable, one end of the first support insulator is fixedly connected to the first turntable, and the other end of the first support insulator is fixedly connected to the upper turntable, and the end of the first high-voltage conductive rod is fixedly connected to and electrically connected to the first high-voltage flexible conductor.

[0009] Preferably, both ends of the first low-voltage threading rod are fixedly connected to two third end frames, one end of the third end frame is fixedly connected to the output end of the reduction gearbox, and the other end of the third end frame is fixedly connected to the first seat body.

[0010] Preferably, the two ends of the second high-voltage conductive rod are fixed to two second end frames, the side walls of the two second end frames are fixed to two second support insulators, the side wall of the follower seat body is rotatably connected to a third turntable, one end of the second support insulator is fixed to the third turntable, the other end of the second support insulator is fixed to the side wall of the lower turntable, the end of the second support insulator close to the follower gear box structure is fixed to the second shaft column, the end of the first support insulator close to the follower gear box structure is fixed to the first shaft column, the first shaft column is rotatably connected to one end of the connecting rod, the other end of the connecting rod is rotatably connected to the second shaft column, and the end of the second high-voltage conductive rod is fixed and electrically connected to the second high-voltage flexible wire.

[0011] Preferably, the two ends of the second low-voltage threading rod are fixedly connected to two fourth end frames, and the side wall of the follower seat body is also rotatably connected to the second rotating seat, one end of the fourth end frame is fixedly connected to the side wall of the second rotating seat, and the other end of the fourth end frame is fixedly connected to the side wall of the second seat body, the side wall of the reduction gear box is fixedly connected to the mounting plate, and a drive motor is fixedly connected to one side of the reduction gear box, and the shaft end of the drive motor is fixedly connected to the input shaft of the reduction gear box.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] When the utility model is folded or unfolded, the first high-voltage conductive rod, the first low-voltage threading rod, the follower gear box structure and the reduction box form a parallelogram structure, and the first high-voltage conductive rod and the first low-voltage threading rod will always remain parallel when moving. Similarly, the second high-voltage conductive rod, the second low-voltage threading rod, the follower gear box structure and the follower seat form a parallelogram structure, and the second high-voltage conductive rod and the second low-voltage threading rod will also always remain parallel when moving. In this way, during the entire process, the distance between the first high-voltage conductive rod and the first low-voltage threading rod is always consistent, and the distance between the second high-voltage conductive rod and the second low-voltage threading rod is also always consistent. The phenomenon of too close distance will not occur, voltage breakdown is avoided, and it is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the main structure of the first and second embodiments of the present utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the follower gearbox in the first and second embodiments of the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the reduction gearbox in the first and second embodiments of the present invention;

[0017] Figure 4 It is a schematic structural diagram of the follower seat body in the first and second embodiments of the present utility model.

[0018] In the figure: 1. first high-voltage conductive rod; 2. first low-voltage threading rod; 3. second high-voltage conductive rod; 4. second low-voltage threading rod; 5. follower gear box structure; 6. reduction gear box; 7. follower seat; 8. connecting rod; 11. first end frame; 12. first support insulator; 13. first shaft column; 14. first high-voltage flexible conductor; 21. third end frame; 31. second end frame; 32. second support insulator; 33. second shaft column; 34. second high-voltage flexible conductor; 41. fourth end frame; 51. box body; 52. driving gear; 53. driven gear; 54. upper turntable; 55. lower turntable; 56. first seat body; 57. second seat body; 61. first swivel seat; 62. mounting plate; 63. drive motor; 71. second swivel seat; 72. third swivel seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0020] See also Figure 1-4 , the utility model provides a technical solution: a folding mechanism for high and low voltage insulation isolation, comprising a first high-voltage conductive rod 1, a first low-voltage threading rod 2, a second high-voltage conductive rod 3, a second low-voltage threading rod 4, a follower gear box structure 5, a reduction box 6 and a follower seat body 7, one end of the first high-voltage conductive rod 1 is rotatably set on the reduction box 6, the other end of the first high-voltage conductive rod 1 is rotatably set on the follower gear box structure 5, one end of the first low-voltage threading rod 2 is fixedly set on the output shaft of the reduction box 6, the other end of the first low-voltage threading rod 2 is rotatably set on the follower gear box structure 5, the first high-voltage conductive rod 1 and the first low-voltage threading rod 2 are parallel to each other, one end of the second high-voltage conductive rod 3 is rotatably set on the follower seat body 7, the other end of the second high-voltage conductive rod 3 is rotatably set on the follower gear box structure 5, and one end of the second low-voltage threading rod 4 is rotatably set It is placed on the follower seat body 7, and the other end of the second low-voltage threading rod 4 is rotatably set on the follower gear box structure 5. The second high-voltage conductive rod 3 and the second low-voltage threading rod 4 are parallel to each other, the first high-voltage conductive rod 1 and the second high-voltage conductive rod 3 are located on the same vertical plane, and the first low-voltage threading rod 2 and the second low-voltage threading rod 4 are located on the same vertical plane. When folding or unfolding, the first high-voltage conductive rod 1, the first low-voltage threading rod 2, the follower gear box structure 5 and the reduction box 6 form a parallelogram structure, and the first high-voltage conductive rod 1 and the first low-voltage threading rod 2 will always remain parallel when moving. Similarly, the second high-voltage conductive rod 3, the second low-voltage threading rod 4, the follower gear box structure 5 and the follower seat body 7 form a parallelogram structure, and the second high-voltage conductive rod 3 and the second low-voltage threading rod 4 will also always remain parallel when moving. Example

[0021] See also Figure 1-4 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment. The driven gear box structure 5 includes a box body 51. The driving gear 52 and the driven gear 53 are rotatably connected inside the box body 51. The driving gear 52 is meshed with the driven gear 53. The top side wall of the box body 51 is rotatably connected to the upper turntable 54, and the bottom side wall of the box body 51 is rotatably connected to the lower turntable 55. The rotating shaft of the driving gear 52 is located outside the side wall of the box body 51 and is fixed to the first base body 56. The rotating shaft of the driven gear 53 is located outside the side wall of the box body 51 and is fixed to the second base body 57.

[0022] The two ends of the first high-voltage conductive rod 1 are fixedly connected to the two first end frames 11, and the side walls of the two end frames 11 are fixedly connected to the two first support insulators 12. The side wall of the reduction gearbox 6 is rotatably connected to the first rotary seat 61, one end of the first support insulator 12 is fixedly connected to the first rotary seat 61, and the other end of the first support insulator 12 is fixedly connected to the upper turntable 54. The end of the first high-voltage conductive rod 1 is fixedly connected to and electrically connected to the first high-voltage flexible conductor 14.

[0023] Both ends of the first low-voltage threading rod 2 are fixedly connected to two third end frames 21 , one end of the third end frame 21 is fixedly connected to the output end of the reduction box 6 , and the other end of the third end frame 21 is fixedly connected to the first base 56 .

[0024] The two ends of the second high-voltage conductive rod 3 are fixed to two second end frames 31, and the side walls of the two second end frames 31 are fixed to two second support insulators 32. The side wall of the follower seat body 7 is rotatably connected to the third rotating seat 72, wherein the end of one second support insulator 32 is fixed to the third rotating seat 72, and the end of the other second support insulator 32 is fixed to the side wall of the lower turntable 55. The end of the second support insulator 32 near the follower gear box structure 5 is fixed to the second shaft column 33, and the end of the first support insulator 12 near the follower gear box structure 5 is fixed to the first shaft column 13. The first shaft column 13 is rotatably connected to one end of the connecting rod 8, and the other end of the connecting rod 8 is rotatably connected to the second shaft column 33. The end of the second high-voltage conductive rod 3 is fixed to and electrically connected to the second high-voltage flexible conductor 34.

[0025] The two ends of the second low-pressure threading rod 4 are fixedly connected to the two fourth end frames 41, and the side wall of the follower seat body 7 is also rotatably connected to the second rotating seat 71. One end of the fourth end frame 41 is fixedly connected to the side wall of the second rotating seat 71, and the other end of the fourth end frame 41 is fixedly connected to the side wall of the second seat body 57. The side wall of the reduction box 6 is fixedly connected to the mounting plate 62. A drive motor 63 is fixedly connected to one side of the reduction box 6, and the shaft end of the drive motor 63 is fixedly connected to the input shaft of the reduction box 6. When the first low-pressure threading rod 2 moves, the driving gear 52 rotates, driving the driven gear 53 to rotate, but does not drive the end of the second low-pressure threading rod 4 to rotate, and the rotation direction is opposite to that of the first low-pressure threading rod 2, and the rotation angle is consistent. Example

[0026] See also Figure 1-4, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When the present invention is used, it is fixed by the mounting plate 62. When folding, the driving motor 63 drives the output shaft of the reduction gear 6 to rotate, so that the end of the first threading rod 2 rotates. When the first low-voltage threading rod 2 moves, the driving gear 52 rotates, driving the driven gear 53 to rotate without driving the end of the second low-voltage threading rod 4 to rotate, and the rotation direction is opposite to that of the first low-voltage threading rod 2, and the rotation angle is consistent, so that the overall folding or unfolding action can be achieved; when the present invention is folded or unfolded, the first high-voltage conductive rod 1, the first low-voltage threading rod 2, and the follower gear 53 are rotated. The gearbox structure 5 and the reduction gear box 6 form a parallelogram structure. The first high-voltage conductive rod 1 and the first low-voltage threading rod 2 will always remain parallel when moving. Similarly, the second high-voltage conductive rod 3, the second low-voltage threading rod 4, the follower gearbox structure 5 and the follower seat 7 form a parallelogram structure. The second high-voltage conductive rod 3 and the second low-voltage threading rod 4 will also always remain parallel when moving. In this way, during the entire process, the distance between the first high-voltage conductive rod 1 and the first low-voltage threading rod 2 is always consistent, and the distance between the second high-voltage conductive rod 3 and the second low-voltage threading rod 4 is also always consistent. There will be no phenomenon of too close spacing, which avoids voltage breakdown and is safer.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding mechanism for high- and low-voltage insulation isolation, comprising a first high-voltage conductive rod (1), a first low-voltage threading rod (2), a second high-voltage conductive rod (3), a second low-voltage threading rod (4), a follower gear box structure (5), a reduction box (6) and a follower seat (7), characterized in that: One end of the first high-voltage conductive rod (1) is rotatably mounted on the reduction box (6), and the other end of the first high-voltage conductive rod (1) is rotatably mounted on the follower gear box structure (5). One end of the first low-voltage threading rod (2) is fixedly mounted on the output shaft of the reduction box (6), and the other end of the first low-voltage threading rod (2) is rotatably mounted on the follower gear box structure (5). The first high-voltage conductive rod (1) and the first low-voltage threading rod (2) are parallel to each other. One end of the second high-voltage conductive rod (3) is rotatably mounted on the follower seat body (7). The other end of the second high-voltage conductive rod (3) is rotatably mounted on the follower gear box structure (5), one end of the second low-voltage threading rod (4) is rotatably mounted on the follower seat (7), and the other end of the second low-voltage threading rod (4) is rotatably mounted on the follower gear box structure (5). The second high-voltage conductive rod (3) and the second low-voltage threading rod (4) are parallel to each other, the first high-voltage conductive rod (1) and the second high-voltage conductive rod (3) are located on the same vertical plane, and the first low-voltage threading rod (2) and the second low-voltage threading rod (4) are located on the same vertical plane.

2. The folding mechanism for high and low voltage insulation isolation according to claim 1, characterized in that: The driven gear box structure (5) includes a box body (51), wherein a driving gear (52) and a driven gear (53) are rotatably connected inside the box body (51), and the driving gear (52) and the driven gear (53) are meshed and connected. The top side wall of the box body (51) is rotatably connected to an upper turntable (54), and the bottom side wall of the box body (51) is rotatably connected to a lower turntable (55). The rotating shaft of the driving gear (52) is located outside the side wall of the box body (51) and is fixedly connected to a first base (56), and the rotating shaft of the driven gear (53) is located outside the side wall of the box body (51) and is fixedly connected to a second base (57).

3. The folding mechanism for high and low voltage insulation isolation according to claim 2, characterized in that: The two ends of the first high-voltage conductive rod (1) are fixedly connected to two first end frames (11), the side walls of the two first end frames (11) are fixedly connected to two first support insulators (12), the side wall of the reduction box (6) is rotatably connected to the first rotary seat (61), one end of the first support insulator (12) is fixedly connected to the first rotary seat (61), and the other end of the first support insulator (12) is fixedly connected to the upper rotary disk (54), and the end of the first high-voltage conductive rod (1) is fixedly connected to and electrically connected to the first high-voltage flexible conductor (14).

4. The folding mechanism for high and low voltage insulation isolation according to claim 2, characterized in that: The two ends of the first low-voltage threading rod (2) are fixedly connected to two third end frames (21), wherein one end of the third end frame (21) is fixedly connected to the output end of the reduction box (6), and the other end of the third end frame (21) is fixedly connected to the first seat (56).

5. The folding mechanism for high and low voltage insulation isolation according to claim 3, characterized in that: The two ends of the second high-voltage conductive rod (3) are fixedly connected to two second end frames (31), and the side walls of the two second end frames (31) are fixedly connected to two second support insulators (32). The side wall of the follower seat body (7) is rotatably connected to a third rotating seat (72), wherein one end of the second support insulator (32) is fixedly connected to the third rotating seat (72), and the end of the other second support insulator (32) is fixedly connected to the side wall of the lower turntable (55). The end of the second support insulator (32) close to the follower gear box structure (5) is fixedly connected to the second shaft column (33), and the end of the first support insulator (12) close to the follower gear box structure (5) is fixedly connected to the first shaft column (13). The first shaft column (13) is rotatably connected to one end of the connecting rod (8), and the other end of the connecting rod (8) is rotatably connected to the second shaft column (33). The end of the second high-voltage conductive rod (3) is fixedly connected to and electrically connected to the second high-voltage flexible conductor (34).

6. The folding mechanism for high and low voltage insulation isolation according to claim 2, characterized in that: The two ends of the second low-voltage threading rod (4) are fixedly connected to two fourth end frames (41), and the side wall of the follower seat (7) is also rotatably connected to the second rotating seat (71), wherein one end of the fourth end frame (41) is fixedly connected to the side wall of the second rotating seat (71), and the other end of the fourth end frame (41) is fixedly connected to the side wall of the second seat (57), and the side wall of the reduction box (6) is fixedly connected to the mounting plate (62), and a driving motor (63) is fixedly connected to one side of the reduction box (6), and the rotating shaft end of the driving motor (63) is fixedly connected to the input shaft of the reduction box (6).

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