Periodically opening and closing type anti-bird umbrella

Abstract

The invention relates to the technical field of anti-bird protection of power transmission lines, and discloses a periodically opening and closing type anti-bird umbrella. The periodically opening and closing type anti-bird umbrella comprises a connecting top plate, a connecting long rod is fixedly connected to the lower surface of the connecting top plate, a second connecting ring is fixedly connected to the side surface of the connecting long rod, anti-bird umbrella pieces are movably connected to the lower surface of the second connecting ring through a bearing, and the inner walls of the anti-bird umbrella pieces are connected through hinges. According to the anti-bird umbrella, the densely distributed degree of the barbs on the surface of the anti-bird umbrella is increased, the lengths of the overlapped barbs are not uniform, birds can be effectively prevented from approaching and standing at the top end of a power transmission tower, the birds are prevented from nesting on the surface of the anti-bird umbrella, the power transmission safety is improved, and the anti-bird umbrella is controlled to be opened and closed periodically, so that the anti-bird umbrella is more attractive in appearance. When birds are not protected, the birds are frightened, the birds are prevented from generating adaptability to the anti-bird umbrella, and the anti-bird effect of the top end of the power transmission tower is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bird protection for power transmission lines, in particular to a periodically opening and closing bird-proof umbrella. Background Art

[0002] The dirt generated by the insulators (strings) of high-voltage transmission lines during operation brings many adverse effects, which are specifically manifested as follows: dust, salt, industrial smoke or various particles or bird droppings in the air will accumulate on the outer surface of the insulator (string) to form a dirt layer; for example: bird droppings have a certain adhesion and are not easy to clean; ice and snow freezing dirt is mainly the conductive layer formed by ice and snow on the insulator (string). Ice and snow can directly or indirectly conduct electricity, distort the electric field, and cause flashover in the insulator (string). To address this problem, some bird-proof umbrella covers have also appeared in actual applications.

[0003] Existing bird-proof umbrellas are usually set as a whole on the top of the insulator, and cannot be opened and closed periodically. The sparsely distributed barbs on the umbrella surface allow birds to still approach or stand on the surface of the bird-proof umbrella, and even build nests on the surface of the bird-proof umbrella, which reduces the safety of power transmission and makes it difficult to ensure the bird-proofing effect on the top of the transmission tower. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a periodically opening and closing bird-proof umbrella, which has the advantages of increasing the density of barbs on the surface of the bird-proof umbrella, and the length of the superimposed barbs is not uniform, which can effectively prevent birds from standing close to the top of the transmission tower, avoid birds from nesting on the surface of the bird-proof umbrella, and improve the safety of power transmission. By controlling the periodic opening and closing of the bird-proof umbrella, birds will be frightened when they are not prepared, and birds will not adapt to the bird-proof umbrella, thereby improving the bird-proofing effect on the top of the transmission tower, etc., which solves the problem of birds having a high adaptability to the bird-proof umbrella and nesting on the surface of the bird-proof umbrella.

[0005] (II) Technical solution In order to solve the above technical problems, the present invention provides the following technical solutions: a periodically opening and closing bird-proof umbrella, comprising a connecting top plate, a connecting long rod fixedly connected to the lower surface of the connecting top plate, a connecting ring 2 fixedly connected to the side surface of the connecting long rod, a bird-proof umbrella sheet movably connected to the lower surface of the connecting ring 2 via a bearing, and the inner walls of the bird-proof umbrella sheet are mutually connected via a hinge, and the surface of the bird-proof umbrella sheet is evenly distributed with barbs; The side surface of the connecting long rod is evenly distributed with telescopic rods, and the telescopic rods are located below the bird-proof umbrella piece. One end of the telescopic rod away from the connecting long rod is movably connected to a connecting strip through a bearing, and the side surface of the connecting strip is fixedly connected to a connecting short rod three; The end of the connecting short rod three away from the connecting strip is fixedly connected with a soft plate lined with thorn pads, and the surface of the soft plate lined with thorn pads is fitted and connected with the inner wall of the bird-proof umbrella piece. The surface of the soft plate lined with thorn pads is evenly distributed with barbs, and the barbs are connected with the bird-proof umbrella piece through and through. The barbs distributed on the surface of the soft plate lined with thorn pads are staggered with the barbs distributed on the bird-proof umbrella piece.

[0006] Preferably, a photovoltaic component is fixedly connected to the upper surface of the connecting top plate, a motor is fixedly connected to the inside of the connecting top plate, a timer is fixedly connected to the front surface of the motor, and both the timer and the motor are electrically connected to the photovoltaic component through an inverter.

[0007] Preferably, the output end of the motor is fixedly connected to a rotating short rod, the side surface of the rotating short rod is fixedly connected to a rotating circular plate, the side surface of the rotating circular plate is provided with a strip groove, the lower surface of the connecting top plate is provided with a rope guide groove, and the rope guide grooves are located on both sides of the connecting long rod.

[0008] Preferably, a connecting short rod is fixedly connected to the interior of the strip groove, a connecting ring is fixedly connected to the end of the connecting short rod away from the strip groove, an upper end ring is penetrated through the interior of the connecting ring, a retractable rope is provided on the side surface of the upper end ring, and the retractable rope is penetrated and connected to the rope guide groove.

[0009] Preferably, the upper surface of the bird-proof umbrella piece is fixedly connected with a connecting short rod 2, the end of the connecting short rod 2 away from the bird-proof umbrella piece is fixedly connected with a connecting ring 3, the interior of the connecting ring 3 is penetrated by a lower end ring, and the lower end ring is fixedly connected to the guide rope groove.

[0010] Preferably, the side surface of the connecting long rod is evenly distributed with connecting short rod sleeves, and the connecting short rod sleeves are located below the telescopic rod.

[0011] Preferably, an upper insulating sheet is fixedly connected to the side surface of the connecting short rod sleeve, and a lower insulating sheet is fixedly connected to the side surface of the connecting short rod sleeve, and the lower insulating sheet and the upper insulating sheet are symmetrically arranged in a vertical manner.

[0012] Preferably, the side surfaces of the upper insulating sheet and the lower insulating sheet are provided with limiting rings, the inner side walls of the limiting rings are movably connected with an upper movable block through a bearing, and the upper movable block is fit-connected to the upper insulating sheet, and the inner side walls of the limiting rings are movably connected with a lower movable block through a bearing, and the lower movable block is fit-connected to the lower insulating sheet.

[0013] Preferably, the upper surface of the upper movable block is movably connected to an upper supporting airbag strip via a bearing, and one end of the upper supporting airbag strip away from the upper movable block is movably connected to a limiting ring via a bearing, and the lower surface of the lower movable block is movably connected to a lower supporting airbag strip via a bearing, and one end of the lower supporting airbag strip away from the lower movable block is movably connected to a limiting ring via a bearing.

[0014] Preferably, a connecting round block one is provided inside the upper supporting airbag strip and a connecting round block two is provided inside the upper supporting airbag strip and a connecting round block two is provided inside the lower supporting airbag strip, a spring is fixedly connected to the lower surface of the connecting round block one, and one end of the spring away from the connecting round block one is fixedly connected to the connecting round block two.

[0015] Compared with the prior art, the present invention provides a periodically opening and closing bird-proof umbrella, which has the following beneficial effects: 1. The present invention drives the telescopic rod to extend outward or retract inward by swinging the anti-bird umbrella piece up and down, and utilizes the inner lining thorn pad soft plate to fit and connect with the inner wall of the anti-bird umbrella piece, so that the connecting strip plate swings up and down along the active direction of the anti-bird umbrella piece to open and close up and down, so that the barbs arranged on the surface of the lining thorn pad soft plate penetrate the surface of the anti-bird umbrella piece and overlap with the barbs arranged on the surface of the anti-bird umbrella piece, thereby increasing the density of the barbs on the surface of the anti-bird umbrella, and the lengths of the overlapped barbs are not uniform, which can effectively prevent birds from standing close to the top of the transmission tower, avoid birds from nesting on the surface of the anti-bird umbrella, and improve the safety of power transmission.

[0016] 2. The present invention starts the motor to drive the rotating short rod to rotate forward, thereby driving the rotating circular plate to rotate forward, and then driving the connecting short rod 1 to do circular motion with the rotating short rod as the axis, so that the connecting ring 1 drives the upper end ring to wrap the retracting rope around the side surface of the rotating circular plate, thereby pulling the lower end ring to move upward, so that the connecting short rod 2 drives the bird-proof umbrella piece to swing upward, so that the bird-proof umbrella is in an open state. When the opening time of the bird-proof umbrella set by the timer ends, the control motor is started again to drive the rotating short rod to rotate in the opposite direction, thereby causing the rotating circular plate to rotate in the opposite direction, releasing the retracting rope along the rope guide groove, causing the bird-proof umbrella piece to swing downward to be in a closed state. By controlling the periodic opening and closing of the bird-proof umbrella, birds will be frightened when they are not prepared, thereby preventing birds from adapting to the bird-proof umbrella and improving the bird-proofing effect on the top of the transmission tower.

[0017] 3. The present invention pulls the upper movable block to make it swing upward, squeezes the upper supporting airbag strip to make it bend, and then pulls the limiting collar to move it upward, so that the lower insulating sheet squeezes the lower movable block, thereby making the lower movable block swing downward, squeezing the lower supporting airbag strip to make it bend, and separating the limiting collar from the upper insulating sheet and the lower insulating sheet, thereby facilitating partial disassembly and replacement of damaged insulating sheets and improving the convenience of maintenance at the top of the transmission tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the internal structure of the front side of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 for Figure 1 Schematic diagram of the structure at A in the middle; Figure 4 This is a schematic diagram of the surface split structure of the bird-proof umbrella sheet of the present invention; Figure 5 This is a schematic diagram of the split structure of the insulating sheet of the present invention; Figure 6 for Figure 5 Schematic diagram of the structure at point B in the middle.

[0019] Among them: 1. Connecting top plate; 2. Connecting long rod; 3. Motor; 4. Timer; 5. Rotating short rod; 6. Rotating circular plate; 7. Strip groove; 8. Connecting short rod one; 9. Connecting ring one; 10. Upper end ring; 11. Retracting rope; 12. Rope guide groove; 13. Connecting ring two; 14. Bird-proof umbrella piece; 15. Connecting short rod two; 16. Connecting ring three; 17. Lower end ring; 18. Telescopic rod; 19. Connecting strip plate; 20. Connecting short rod three; 21. Lined thorn pad soft board; 22. Connecting short rod sleeve; 23. Upper insulating sheet; 24. Lower insulating sheet; 25. Limiting ring; 26. Upper movable block; 27. Lower movable block; 28. Upper supporting airbag strip; 29. ​​Lower supporting airbag strip; 30. Connecting round block one; 31. Spring; 32. Connecting round block two; 33. Photovoltaic module. DETAILED DESCRIPTION

[0020] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-6A periodically opening and closing bird-proof umbrella comprises a connecting top plate 1, a connecting long rod 2 is fixedly connected to the lower surface of the connecting top plate 1, a connecting ring 2 13 is fixedly connected to the side surface of the connecting long rod 2, a bird-proof umbrella piece 14 is movably connected to the lower surface of the connecting ring 2 13 through a bearing, and the inner walls of the bird-proof umbrella piece 14 are connected to each other through a hinge, and barbs are evenly distributed on the surface of the bird-proof umbrella piece 14, and a telescopic rod 18 is evenly distributed on the side surface of the connecting long rod 2, and the telescopic rod 18 is located below the bird-proof umbrella piece 14, and the end of the telescopic rod 18 away from the connecting long rod 2 is movably connected to a connecting strip 19 through a bearing, and a connecting short rod three 20 is fixedly connected to the side surface of the connecting strip 19, and a lining thorn pad soft plate 21 is fixedly connected to the end of the connecting short rod three 20 away from the connecting strip 19, and the surface of the lining thorn pad soft plate 21 is fitted and connected to the inner wall of the bird-proof umbrella piece 14, and the lining The surface of the thorn pad soft plate 21 is evenly distributed with barbs, and the barbs are connected with the bird-proof umbrella piece 14 through and through. The barbs distributed on the surface of the inner thorn pad soft plate 21 and the barbs distributed on the bird-proof umbrella piece 14 are staggered. During the use of the bird-proof umbrella, the telescopic rod 18 is driven to extend outward or retract inward by the up and down swinging opening and closing of the bird-proof umbrella piece 14. The inner thorn pad soft plate 21 is connected with the inner wall of the bird-proof umbrella piece 14 to make the connecting strip 19 swing up and down along the active direction of the up and down swinging opening and closing of the bird-proof umbrella piece 14, so that the barbs set on the surface of the inner thorn pad soft plate 21 penetrate the surface of the bird-proof umbrella piece 14 and overlap with the barbs set on the surface of the bird-proof umbrella piece 14, thereby increasing the density of the barbs on the surface of the bird-proof umbrella. The length of the superimposed barbs is not uniform, which can effectively prevent birds from standing close to the top of the transmission tower, avoid birds from nesting on the surface of the bird-proof umbrella, and improve the safety of power transmission.

[0022] The upper surface of the connecting top plate 1 is fixedly connected with a photovoltaic assembly 33, the interior of the connecting top plate 1 is fixedly connected with a motor 3, the front surface of the motor 3 is fixedly connected with a timer 4, and the timer 4 and the motor 3 are electrically connected to the photovoltaic assembly 33 through an inverter, the output end of the motor 3 is fixedly connected with a rotating short rod 5, the side surface of the rotating short rod 5 is fixedly connected with a rotating circular plate 6, the side surface of the rotating circular plate 6 is provided with a strip groove 7, the lower surface of the connecting top plate 1 is provided with a rope guide groove 12, and the rope guide groove 12 is located on both sides of the connecting long rod 2, The strip groove 7 is fixedly connected with a connecting short rod 18 inside, and the end of the connecting short rod 18 away from the strip groove 7 is fixedly connected with a connecting ring 19, and the interior of the connecting ring 19 is penetrated and connected with an upper end ring 10, and the side surface of the upper end ring 10 is provided with a retractable rope 11, and the retractable rope 11 is penetrated and connected with the guide rope groove 12, and the upper surface of the bird-proof umbrella piece 14 is fixedly connected with a connecting short rod 2 15, and the end of the connecting short rod 2 15 away from the bird-proof umbrella piece 14 is fixedly connected with a connecting ring 3 16, and the interior of the connecting ring 3 16 is penetrated and connected with a lower end ring 17, and the lower end ring 17 is penetrated and connected with the lower end ring 17. The end ring 17 is fixedly connected to the guide rope groove 12. During the use of the bird-proof umbrella, the photovoltaic module installed on the top of the device converts sunlight into electrical energy to provide power for the opening and closing of the bird-proof umbrella. The motor 3 is started to drive the rotating short rod 5 to rotate forward, thereby driving the rotating circular plate 6 to rotate forward, and then driving the connecting short rod 8 to make a circular motion with the rotating short rod 5 as the axis, so that the connecting ring 9 drives the upper end ring 10 to wrap the retracting rope 11 around the side surface of the rotating circular plate 6, thereby pulling the lower end ring 17 to move upward, so that the connecting short rod 8 can rotate forward and backward. The rod 2 15 drives the bird-proof umbrella piece 14 to swing upward, so that the bird-proof umbrella is in an open state. When the opening time of the bird-proof umbrella set by the timer 4 ends, the control motor 3 is started again to drive the rotating short rod 5 to rotate in the opposite direction, so that the rotating circular plate 6 rotates in the opposite direction, and the retractable rope 11 is released along the rope guide groove 12, so that the bird-proof umbrella piece 14 swings downward to a closed state. By controlling the periodic opening and closing of the bird-proof umbrella, birds will be frightened when they are not prepared, thereby preventing birds from adapting to the bird-proof umbrella and improving the bird-proofing effect on the top of the transmission tower.

[0023] The side surface of the connecting long rod 2 is evenly distributed with a connecting short rod sleeve 22, and the connecting short rod sleeve 22 is located below the telescopic rod 18, the side surface of the connecting short rod sleeve 22 is fixedly connected with an upper insulating sheet 23, the side surface of the connecting short rod sleeve 22 is fixedly connected with a lower insulating sheet 24, and the lower insulating sheet 24 and the upper insulating sheet 23 are symmetrically arranged in a vertical manner, and the side surface of the upper insulating sheet 23 and the side surface of the lower insulating sheet 24 are provided with a limiting collar 25, and the inner side wall of the limiting collar 25 is movably connected with an upper movable block 26 through a bearing , and the upper movable block 26 is connected to the upper insulating sheet 23 in a close connection, the inner wall of the limiting collar 25 is connected to the lower movable block 27 through a bearing, and the lower movable block 27 is connected to the lower insulating sheet 24 in a close connection, the upper surface of the upper movable block 26 is connected to the upper supporting airbag strip 28 through a bearing, and the end of the upper supporting airbag strip 28 away from the upper movable block 26 is connected to the limiting collar 25 through a bearing, and the lower surface of the lower movable block 27 is connected to the lower supporting airbag strip 29 through a bearing, and the lower supporting airbag strip 29 is connected to the lower insulating sheet 24. One end of the movable block 27 is movably connected to the limiting collar 25 through a bearing, and the interior of the upper supporting airbag strip 28 and the interior of the lower supporting airbag strip 29 are both provided with a connecting round block 1 30, and the interior of the upper supporting airbag strip 28 and the interior of the lower supporting airbag strip 29 are both provided with a connecting round block 2 32. The lower surface of the connecting round block 1 30 is fixedly connected with a spring 31, and the end of the spring 31 away from the connecting round block 1 30 is fixedly connected to the connecting round block 2 32. During the use of the transmission tower, it is necessary to regularly check the top of the transmission tower. The components are set up for maintenance, the upper movable block 26 is pulled to swing upward, the upper supporting airbag strip 28 is squeezed to bend it, and then the limiting ring 25 is pulled to move it upward, so that the lower insulating sheet 24 squeezes the lower movable block 27, so that the lower movable block 27 swings downward, the lower supporting airbag strip 29 is squeezed to bend it, and the limiting ring 25 is separated from the upper insulating sheet 23 and the lower insulating sheet 24, so as to facilitate the partial disassembly and replacement of the damaged insulating sheet and improve the convenience of maintenance at the top of the transmission tower.

[0024] When in use, the photovoltaic assembly installed on the top of the device converts sunlight into electrical energy to provide power for the opening and closing of the bird-proof umbrella, and the motor 3 is started to drive the rotating short rod 5 to rotate forward, thereby driving the rotating circular plate 6 to rotate forward, and then driving the connecting short rod 18 to make a circular motion with the rotating short rod 5 as the axis, so that the connecting ring 19 drives the upper end ring 10 to wrap the retracting rope 11 around the side surface of the rotating circular plate 6, thereby pulling the lower end ring 17 to move upward, so that the connecting short rod 2 15 drives the bird-proof umbrella piece 14 to swing upward, so that the bird-proof umbrella is in an open state. When the opening time of the bird-proof umbrella set by the timer 4 ends, the control motor 3 is started again to drive the rotating short rod 5 to rotate in the opposite direction, thereby causing the rotating circular plate 6 to rotate in the opposite direction, releasing the retracting rope 11 along the rope guide groove 12, causing the bird-proof umbrella piece 14 to swing downward to be in a closed state, so that the bird-proof umbrella can be periodically opened and closed. During the use of the bird-proof umbrella, the telescopic rod 18 is driven to extend or The thorn pad soft plate 21 is contracted inwardly, and the inner wall of the bird-proof umbrella sheet 14 is connected by the inner lining thorn pad soft plate 21, so that the connecting strip plate 19 swings up and down along the active direction of the bird-proof umbrella sheet 14 to open and close, so that the barbs arranged on the surface of the thorn pad soft plate 21 penetrate the surface of the bird-proof umbrella sheet 14, and overlap with the barbs arranged on the surface of the bird-proof umbrella sheet 14, so as to increase the density of the barbs on the surface of the bird-proof umbrella, and the length of the superimposed barbs is not uniform, which can effectively prevent birds from standing near the top of the transmission tower. During the use of the transmission tower, it is necessary to regularly inspect and repair the components arranged on the top of the transmission tower, pull the upper movable block 26 to make it swing upward, squeeze the upper supporting airbag strip 28 to make it bend, and then pull the limiting ring 25 to move it upward, so that the lower insulating sheet 24 squeezes the lower movable block 27, so that the lower movable block 27 swings downward, squeezes the lower supporting airbag strip 29 to make it bend, and separates the limiting ring 25 from the upper insulating sheet 23 and the lower insulating sheet 24, so as to facilitate the partial disassembly and replacement of the damaged insulating sheet.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A periodically opening and closing bird-proof umbrella, comprising a connecting top plate (1), characterized in that: The lower surface of the connecting top plate (1) is fixedly connected to a connecting long rod (2), the side surface of the connecting long rod (2) is fixedly connected to a connecting ring 2 (13), the lower surface of the connecting ring 2 (13) is movably connected to a bird-proof umbrella sheet (14) via a bearing, and the inner walls of the bird-proof umbrella sheet (14) are connected to each other via a hinge, and the surface of the bird-proof umbrella sheet (14) is evenly distributed with barbs; The side surface of the connecting long rod (2) is evenly distributed with telescopic rods (18), and the telescopic rods (18) are located below the bird-proof umbrella sheet (14); one end of the telescopic rod (18) away from the connecting long rod (2) is movably connected to a connecting strip (19) via a bearing, and the side surface of the connecting strip (19) is fixedly connected to a connecting short rod three (20); The end of the connecting short rod three (20) away from the connecting strip plate (19) is fixedly connected to a thorn-lined soft plate (21), and the surface of the thorn-lined soft plate (21) is fitted and connected to the inner wall of the bird-proof umbrella sheet (14), and the surface of the thorn-lined soft plate (21) is evenly distributed with barbs, and the barbs are connected to the bird-proof umbrella sheet (14), and the barbs distributed on the surface of the thorn-lined soft plate (21) and the barbs distributed on the bird-proof umbrella sheet (14) are staggered.

2. The periodically opening and closing bird-proof umbrella according to claim 1 is characterized by: The upper surface of the connecting top plate (1) is fixedly connected to a photovoltaic assembly (33), the interior of the connecting top plate (1) is fixedly connected to a motor (3), the front surface of the motor (3) is fixedly connected to a timer (4), and both the timer (4) and the motor (3) are electrically connected to the photovoltaic assembly (33) via an inverter.

3. The periodically opening and closing bird-proof umbrella according to claim 2 is characterized in that: The output end of the motor (3) is fixedly connected to a rotating short rod (5), the side surface of the rotating short rod (5) is fixedly connected to a rotating circular plate (6), the side surface of the rotating circular plate (6) is provided with a strip groove (7), the lower surface of the connecting top plate (1) is provided with a rope guide groove (12), and the rope guide groove (12) is located on both sides of the connecting long rod (2).

4. The periodically opening and closing bird-proof umbrella according to claim 3 is characterized by: A connecting short rod (8) is fixedly connected inside the strip groove (7), and a connecting ring (9) is fixedly connected to one end of the connecting short rod (8) away from the strip groove (7). An upper end ring (10) is penetrated and connected inside the connecting ring (9), and a retractable rope (11) is provided on the side surface of the upper end ring (10), and the retractable rope (11) is penetrated and connected to the rope guide groove (12).

5. The periodically opening and closing bird-proof umbrella according to claim 1 is characterized by: A second connecting short rod (15) is fixedly connected to the upper surface of the bird-proof umbrella sheet (14); a third connecting ring (16) is fixedly connected to one end of the second connecting short rod (15) away from the bird-proof umbrella sheet (14); a lower end ring (17) is penetrated through the interior of the third connecting ring (16); and the lower end ring (17) is fixedly connected to the guide rope groove (12).

6. The periodically opening and closing bird-proof umbrella according to claim 1 is characterized by: The side surface of the connecting long rod (2) is evenly distributed with connecting short rod sleeves (22), and the connecting short rod sleeves (22) are located below the telescopic rod (18).

7. The periodically opening and closing bird-proof umbrella according to claim 6 is characterized by: An upper insulating sheet (23) is fixedly connected to the side surface of the connecting short rod sleeve (22), and a lower insulating sheet (24) is fixedly connected to the side surface of the connecting short rod sleeve (22), and the lower insulating sheet (24) and the upper insulating sheet (23) are symmetrically arranged in a vertical manner.

8. The periodically opening and closing bird-proof umbrella according to claim 7, characterized in that: A limiting collar (25) is provided on the side surface of the upper insulating sheet (23) and the side surface of the lower insulating sheet (24); an inner side wall of the limiting collar (25) is movably connected to an upper movable block (26) via a bearing, and the upper movable block (26) is fitted and connected to the upper insulating sheet (23); and an inner side wall of the limiting collar (25) is movably connected to a lower movable block (27) via a bearing, and the lower movable block (27) is fitted and connected to the lower insulating sheet (24).

9. The periodically opening and closing bird-proof umbrella according to claim 8, characterized in that: The upper surface of the upper movable block (26) is movably connected to an upper supporting airbag strip (28) via a bearing, and one end of the upper supporting airbag strip (28) away from the upper movable block (26) is movably connected to a limiting collar (25) via a bearing, and the lower surface of the lower movable block (27) is movably connected to a lower supporting airbag strip (29) via a bearing, and one end of the lower supporting airbag strip (29) away from the lower movable block (27) is movably connected to the limiting collar (25) via a bearing.

10. The periodically opening and closing bird-proof umbrella according to claim 9, characterized in that: A connecting round block 1 (30) is disposed inside the upper supporting airbag strip (28) and inside the lower supporting airbag strip (29), and a connecting round block 2 (32) is disposed inside the upper supporting airbag strip (28) and inside the lower supporting airbag strip (29), a spring (31) is fixedly connected to the lower surface of the connecting round block 1 (30), and an end of the spring (31) away from the connecting round block 1 (30) is fixedly connected to the connecting round block 2 (32).

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