Electric power facility safety protection equipment for electric power construction site and use method of electric power facility safety protection equipment

Abstract

The invention relates to the technical field of electric power construction, in particular to electric power facility safety protection equipment for an electric power construction site and a use method thereof. Comprising an insulating cover, a hollow cylinder, an air bag, an air pipe, an iron plate, a compression spring, an iron block and the like, the hollow cylinder is installed on the insulating cover, a vent hole I is formed in the hollow cylinder, the air bag is arranged on the inner side of the insulating cover, the two ends of the air pipe are communicated with the hollow cylinder and the air bag respectively, the iron plate is slidably arranged in the hollow cylinder, and the two ends of the compression spring are connected into the iron plate and the hollow cylinder respectively. The iron block is rotationally installed on the hollow cylinder, a vent hole II is formed in the iron block, and the vent hole II is communicated with the vent hole I. Through cooperation of the hollow cylinder, the air bag, the air pipe and the iron plate, the air bag can be expanded, so that the air bag is tightly attached to the insulator through expansion, the insulation cover is limited, the stability of the insulation cover is improved, and the insulation cover is prevented from deviating or falling off when affected by external factors.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power construction, and in particular to an electric power facility safety protection device for an electric power construction site and a method of using the device. Background Art

[0002] At power construction sites, especially when maintaining or overhauling high-voltage lines, in order to ensure the safety of workers, the live parts need to be effectively insulated and shielded. Among them, the contact points between insulators and high-voltage lines are very critical positions because these positions are directly related to the normal operation of the power system and the personal safety of workers.

[0003] At present, during the inspection or maintenance of power facilities, in order to prevent operators from accidentally contacting live parts, a shielding cover is usually used at the contact point between the insulator and the high-voltage line to provide temporary insulation isolation; the shielding cover is a protective cover made of insulating material, which can effectively isolate the direct contact between the live body and the human body, thereby reducing the risk of electric shock; however, the existing shielding covers have certain limitations during use. The main problem is that the shielding cover is usually simply placed on the contact point between the insulator and the high-voltage line without being effectively fixed. In this case, the shielding cover is easily offset or fallen off when affected by external factors (such as wind force, collision of tools, etc.), resulting in reduced shielding effect or even complete failure, thereby increasing safety hazards during operation. Summary of the invention

[0004] In view of this, the present invention provides a power facility safety protection device for power construction sites and a method of using the same, which can solve the problem that the existing shielding cover is not effectively fixed after being placed, resulting in the shielding cover being easily offset or falling off when affected by external factors.

[0005] The technical scheme of the present invention is: a kind of power facility safety protection equipment for power construction site, including an insulating cover, and also including a hollow cylinder, an air bag, an air pipe, an iron plate, a compression spring, an iron block, a connecting pipe, a bellows, a universal flexible shaft, a magnetic block, a buffer mechanism and a locking mechanism, the hollow cylinder is installed on the insulating cover, a vent hole I is opened on the hollow cylinder, the air bag is arranged on the inner side of the insulating cover, two ends of the air pipe are respectively connected to the hollow cylinder and the air bag, the iron plate is slidably arranged in the hollow cylinder, the two ends of the compression spring are respectively connected to the iron plate and the hollow cylinder, the iron block is rotatably installed on the hollow cylinder, a vent hole II is opened on the iron block, the vent hole II is connected with the vent hole I, the number of connecting pipes is at least two, a bellows is connected between the connecting pipes, the universal flexible shaft is movably arranged between the inner sides of the connecting pipes, the magnetic block is rotatably connected to the end of the connecting pipe at one end, the magnetic block is used to adsorb the iron block, the universal flexible shaft is slidably connected to the magnetic block, the buffer mechanism is used to buffer objects close to the insulating cover, and the locking mechanism is used to lock the connecting pipe.

[0006] Furthermore, the buffer mechanism includes a connecting frame and a spring, the connecting frame is connected to the hollow cylinder, an outlet is opened on the connecting frame, the spring is arranged inside the connecting frame, and one end of the spring is connected to the iron block.

[0007] Furthermore, the buffer mechanism also includes a lead-out block, which is installed in the connection frame, and the other end of the clockwork spring contacts the lead-out block, and the lead-out block is used to lead the other end of the clockwork spring to the outlet of the connection frame.

[0008] Furthermore, the locking mechanism includes a fixed frame, a connecting rod, a circular plate I, a circular plate II, a tooth block and a threaded rod. The fixed frame is installed at one end of the connecting tube, the connecting rod is installed at the other end of the connecting tube, the fixed frame is rotatably connected to the connecting rod, the circular plate I is installed on the connecting rod, and circular plate I has tooth grooves spaced in annular manner, the circular plate II is slidably arranged on the fixed frame, and circular plate II has tooth blocks connected in annular manner, the tooth blocks are stuck in the tooth grooves, the threaded rod is threadedly installed on the fixed frame, and the threaded rod is rotatably connected to the circular plate II.

[0009] Furthermore, it also includes a shielding mechanism, which includes a sleeve, a shielding plate and a spring. The sleeve is slidably arranged on the connecting tube, and a shielding plate is rotatably arranged on the sleeve. The shielding plate is used to shield the magnetic block, and the two ends of the spring are respectively connected to the sleeve and the shielding plate.

[0010] Furthermore, the shielding mechanism also includes a rubber tube, which is installed on the connecting tube and is used to fix the sleeve.

[0011] Furthermore, a reset mechanism is also included, which includes a rotating ring and a reset spring. The rotating ring is rotatably installed on the universal flexible shaft, and two ends of the reset spring are respectively connected to the rotating ring and the connecting tube.

[0012] The present invention also provides a method for using a power facility safety protection device for a power construction site, comprising the following steps: firstly, twisting the threaded rod to rotate so that the tooth block on the circular plate II leaves the tooth groove on the circular plate I, thereby unlocking two adjacent connecting pipes, then twisting the connecting pipe to bend so as to adjust the bending degree of the three connecting pipes, then twisting the threaded rod to rotate and reset so that the tooth block on the circular plate II is re-engaged in the tooth groove on the circular plate I, thereby locking the two adjacent connecting pipes, and then holding the connecting pipe to move so that the magnetic block attracts the iron block, and the magnetic block attracts the iron plate to move, so that the hollow tube extracts the air in the air bag through the air pipe, thereby making the air bag Contract, then hold the connecting tube and move the insulating cover to the contact point between the insulator and the high-voltage line, then twist the universal flexible shaft to rotate, so that the iron block sends the other end of the spring out from the outlet, so that the spring surrounds the outside of the connecting frame, and then the spring buffers the object close to the insulating cover, then hold the universal flexible shaft again, and then pull the connecting tube to the side close to the user, so that the magnetic block is separated from the iron block, so that the magnetic block loosens the iron plate, and at this time, the elastic force of the compression spring is used to drive the iron plate to move and reset, so that the hollow tube inputs air into the airbag through the air pipe, thereby expanding the airbag, and then the airbag is pressed tightly against the insulator through expansion, so as to limit the insulating cover.

[0013] Compared with the prior art, the present invention has the following advantages: 1. The present invention can expand the airbag by cooperating with the hollow tube, the airbag, the air pipe and the iron plate, so that the airbag can be tightly attached to the insulator through expansion, thereby limiting the insulating cover, thereby improving the stability of the insulating cover to prevent the insulating cover from being offset or falling off when affected by external factors.

[0014] 2. The present invention provides a buffer mechanism, which can surround the outer side of the connection frame with a clockwork spring, and then the clockwork spring contacts an object close to the insulating cover. The elasticity of the clockwork spring can be used to buffer the object, thereby preventing the object from causing a severe impact on the insulating cover, thereby protecting the insulating cover.

[0015] 3. The present invention provides a shielding mechanism, which can shield the magnetic block with a shielding plate, thereby preventing foreign matter from adhering to the magnetic block, thereby preventing the foreign matter adhering to the magnetic block from affecting the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the insulating cover, hollow cylinder and air pipe of the present invention.

[0018] Figure 3 It is a cross-sectional view of the insulating cover, hollow cylinder and iron block of the present invention.

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the buffer mechanism of the present invention.

[0020] Figure 5 It is a cross-sectional view of the buffer mechanism of the present invention.

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the connecting pipe, the bellows and the universal flexible shaft of the present invention.

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the universal flexible shaft and the magnetic block of the present invention.

[0023] Figure 8 It is a three-dimensional structural schematic diagram of the fixing frame, sleeve and rubber tube of the present invention.

[0024] Fig. 9 It is a three-dimensional structural schematic diagram of the locking mechanism of the present invention.

[0025] Fig.10 It is a structural separation diagram of the locking mechanism of the present invention.

[0026] Fig.11 It is a schematic diagram of the three-dimensional structure of the shielding mechanism of the present invention.

[0027] Fig.12 It is a three-dimensional structural schematic diagram of the reset mechanism of the present invention.

[0028] Figure numbers: 1, insulating cover, 2, hollow cylinder, 201, vent I, 3, air bag, 4, air pipe, 5, iron plate, 6, compression spring, 7, iron block, 701, vent II, 8, connecting pipe, 9, bellows, 10, universal flexible shaft, 11, magnetic block, 12, connecting frame, 1201, outlet, 13, spring spring, 14, lead-out block, 15, fixing frame, 16, connecting rod, 17, circular plate I, 1701, tooth groove, 18, circular plate II, 1801, tooth block, 19, threaded rod, 20, sleeve, 21, baffle plate, 22, spring piece, 23, rubber tube, 24, rotating ring, 25, reset spring. DETAILED DESCRIPTION

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] Embodiment: A power facility safety protection device for power construction sites, see Figure 1-Figure 10As shown, it includes an insulating cover 1, which is made of insulating rubber; it also includes a hollow cylinder 2, an air bag 3, an air pipe 4, an iron plate 5, a compression spring 6, an iron block 7, a connecting pipe 8, a bellows 9, a universal flexible shaft 10, a magnetic block 11, a buffer mechanism and a locking mechanism; the hollow cylinder 2 is installed on the top of the insulating cover 1, the hollow cylinder 2 is made of insulating material, and two vents Ⅰ201 are opened on the top of the hollow cylinder 2; the air bag 3 is arranged at the lower inner part of the insulating cover 1; the two ends of the air pipe 4 are respectively connected to the lower side of the hollow cylinder 2 and the air bag 3; the iron plate 5 is slidably arranged on the inner side of the hollow cylinder 2, and the iron plate 5 divides the inner side of the hollow cylinder 2 into upper and lower parts, the upper inner part of the hollow cylinder 2 is connected to the vent Ⅰ201, and the lower inner part of the hollow cylinder 2 is connected to the air pipe 4; the two ends of the compression spring 6 are respectively connected to the top of the iron plate 5 and the inner top of the hollow cylinder 2; the iron block 7 is rotatably installed on the upper side of the hollow cylinder 2, and the iron block 7 There are two ventilation holes II701 on the top, and the two ventilation holes II701 are connected to the two ventilation holes I201 respectively; there are three connecting pipes 8, which are vertically distributed in the upper, middle and lower parts; a bellows 9 is connected between every two connecting pipes 8, and there are two bellows 9; a universal flexible shaft 10 is movably arranged between the inner sides of the three connecting pipes 8, so that the universal flexible shaft 10 can slide or rotate between the inner sides of the three connecting pipes 8, and a short rod with a cross structure is arranged at the lower end of the universal flexible shaft 10; a magnetic block 11 is rotatably connected to the bottom end of the lower connecting pipe 8, and the magnetic block 11 can use magnetic force to attract the iron block 7, and the short rod with a cross structure on the universal flexible shaft 10 is slidably connected to the magnetic block 11; the buffer mechanism is used to buffer objects close to the insulating cover 1, thereby protecting the insulating cover 1; the locking mechanism is used to lock the connecting pipe 8, so as to stabilize the shape of the three connecting pipes 8.

[0031] See also Figure 4 and Figure 5 As shown, the buffer mechanism includes a connecting frame 12, a clockwork spring 13 and an export block 14; the connecting frame 12 is connected to the outside of the hollow cylinder 2, and an outlet 1201 is opened on the side of the connecting frame 12; the clockwork spring 13 is arranged on the inside of the connecting frame 12, and one end of the clockwork spring 13 is connected to the iron block 7; the export block 14 is installed in the connecting frame 12, and the other end of the clockwork spring 13 is in contact with the export block 14, and the export block 14 is used to export the other end of the clockwork spring 13 to the outlet 1201 of the connecting frame 12.

[0032] See also Figure 8-Figure 10As shown, the locking mechanism includes a fixing frame 15, a connecting rod 16, a circular plate I 17, a circular plate II 18, a tooth block 1801 and a threaded rod 19; the fixing frame 15 is connected to the lower side of the upper and middle connecting pipes 8; two connecting rods 16 are arranged on the upper side of the middle and lower connecting pipes 8, and the two connecting rods 16 on the connecting pipes 8 are distributed on the left and right, and the fixing frame 15 on the upper connecting pipe 8 is rotatably connected to the two connecting rods 16 on the middle connecting pipe 8, and the fixing frame 15 on the middle connecting pipe 8 is connected to the The two connecting rods 16 on the lower connecting pipe 8 are rotatably connected; a circular plate Ⅰ17 is connected to the connecting rod 16 on the left side of the connecting pipe 8, and tooth grooves 1701 are arranged at annular intervals on the left side of the circular plate Ⅰ17; a circular plate Ⅱ18 is slidably arranged on the lower left side of the fixed frame 15, and a tooth block 1801 is connected at annular intervals on the right side of the circular plate Ⅱ18, and the tooth block 1801 is stuck in the tooth groove 1701; a threaded rod 19 is threadedly installed on the lower left side of the fixed frame 15, and the right end of the threaded rod 19 is rotatably connected to the circular plate Ⅱ18.

[0033] When in use, the threaded rod 19 is twisted to rotate, so that the threaded rod 19 drives the circular plate II 18 to move to the side away from the circular plate I 17, so that the tooth block 1801 on the circular plate II 18 leaves the tooth groove 1701 on the circular plate I 17, and then the two adjacent connecting pipes 8 are unlocked, and then the upper or middle connecting pipe 8 is twisted to bend, so as to adjust the bending degree of the three connecting pipes 8 (so that the insulating cover 1 can be placed at the contact point between the insulator and the high-voltage line by holding the connecting pipe 8 later). After adjustment, the threaded rod 19 is twisted to reverse and reset, so that the threaded rod 19 drives the circular plate II 18 to move closer to the circular plate I 17. One side is moved and reset, so that the tooth block 1801 on the circular plate II 18 is re-engaged in the tooth groove 1701 on the circular plate I 17, and then the two adjacent connecting tubes 8 are locked, so as to stabilize the shape of the three connecting tubes 8; then the upper connecting tube 8 is held, and the magnetic block 11 is moved to the top of the iron block 7 by moving the connecting tube 8, so that the magnetic block 11 uses magnetic force to absorb the iron block 7, and the short rod with a cross structure on the universal flexible shaft 10 is in contact with the top of the iron block 7. During this period, when the magnetic block 11 gradually approaches the iron block 7, the magnetic block 11 will also gradually approach the iron plate 5, and as the magnetic block 11 approaches the iron plate 5, the magnetic block 11 will use The magnetic force attracts the iron plate 5 to move upward, and the compression spring 6 is compressed. When the iron plate 5 moves upward, the iron plate 5 will squeeze out the air in the upper part of the hollow cylinder 2 from the vent hole Ⅰ201 and the vent hole Ⅱ701. At the same time, the space in the lower part of the hollow cylinder 2 will extract the air in the air bag 3 through the air pipe 4, so that the air bag 3 shrinks; after the magnetic block 11 attracts the iron block 7 by magnetic force, the magnetic block 11 drives the iron block 7 and the insulating cover 1 to move synchronously by moving the connecting pipe 8 until the insulating cover 1 is placed at the contact point between the insulator and the high-voltage line, and then the universal flexible shaft 10 is twisted to rotate, so that the universal flexible shaft 10 drives the magnetic block 11 and the iron block 7 to rotate , so that the iron block 7 can send the other end of the spring 13 out from the outlet 1201 by rotating (during which the output block 14 will accurately guide the other end of the spring 13 to the outlet 1201). When all the springs 13 are sent out from the connection frame 12, the springs 13 will surround the outside of the connection frame 12. When the object quickly contacts the insulating cover 1, the object will contact the spring 13. At this time, the elasticity of the spring 13 can be used to buffer the object, thereby preventing the object from causing a violent impact on the insulating cover 1, thereby protecting the insulating cover 1.Then, the universal flexible shaft 10 is supported, so that the short rod with a cross structure on the universal flexible shaft 10 supports the top of the iron block 7, and then the connecting pipe 8 is pulled to move to the side close to the user, so that the connecting pipe 8 drives the magnetic block 11 to move to the side away from the iron block 7, so that the magnetic block 11 is separated from the iron block 7. During this period, when the magnetic block 11 gradually moves away from the iron block 7, the magnetic block 11 will also gradually move away from the iron plate 5. As the magnetic block 11 moves away from the iron plate 5, the compression spring 6 returns to its original state, and the compression spring 6 drives the iron plate 5 to move downward and reset. When the iron plate 5 moves downward, the iron plate 5 will press the air in the lower part of the hollow cylinder 2. The airbag 3 is squeezed into the air tube 4 to expand the airbag 3, so that the airbag 3 is pressed against the insulator by expansion, and then the insulating cover 1 is limited, so as to improve the stability of the insulating cover 1. At the same time, the space in the upper part of the hollow cylinder 2 will be evacuated from the outside through the vent hole Ⅰ201 and the vent hole Ⅱ701. Then, the connecting tube 8 and the universal flexible shaft 10 are moved away by hand, and then the connecting tube 8 is pushed to the side away from the user to reset, and then the connecting tube 8 and the universal flexible shaft 10 are released; if the insulating cover 1 needs to be removed from the contact point between the insulator and the high-voltage line, the above operation can be repeated. ;

[0034] See also Figure 8 and Fig.11 As shown, it also includes a shielding mechanism, which includes a sleeve 20, a shielding plate 21, a spring 22 and a rubber tube 23; the sleeve 20 is slidably arranged on the lower side of the lower connecting tube 8; four shielding plates 21 are rotatably arranged on the lower side of the sleeve 20, and the four shielding plates 21 are used to shield the magnetic block 11; the two ends of the spring 22 are respectively connected to the sleeve 20 and the shielding plate 21; the rubber tube 23 is installed in the middle of the lower connecting tube 8, and the outer diameter of the rubber tube 23 gradually increases from bottom to top. By pushing the sleeve 20 upward, when the sleeve 20 contacts the outer wall of the rubber tube 23, the rubber tube 23 can use friction to limit the sleeve 20.

[0035] When in use, the sleeve 20 is pushed to move toward the side close to the rubber tube 23, so that the sleeve 20 drives the shielding plate 21 to move toward the side close to the rubber tube 23. During this period, the magnetic block 11 will squeeze the shielding plate 21 to rotate and open, so that the spring piece 22 will deform, so that the shielding plate 21 no longer blocks the magnetic block 11. Afterwards, when the sleeve 20 contacts the outer wall of the rubber tube 23, the outer wall of the rubber tube 23 will limit the sleeve 20 by friction. As the sleeve 20 gradually contacts the outer wall of the rubber tube 23, the friction between the sleeve 20 and the rubber tube 23 can be gradually increased. In this way, the sleeve 20 and the rubber tube 23 can be used to 3, thereby improving the stability of the rubber tube 23 on the sleeve 20; finally, when not in use, pull the sleeve 20 to move to the side away from the rubber tube 23 to reset, so that the sleeve 20 drives the shielding plate 21 to move to the side away from the rubber tube 23 to reset, so that the sleeve 20 is separated from the rubber tube 23, and when the shielding plate 21 is separated from the magnetic block 11, the spring piece 22 returns to its original state, and the spring piece 22 drives the shielding plate 21 to reverse and reset, so that the shielding plate 21 shields the magnetic block 11 again, and the shielding plate 21 is used to shield the magnetic block 11, which can prevent foreign matter from adhering to the magnetic block 11, and avoid the foreign matter adhering to the magnetic block 11 affecting the next use.

[0036] See also Fig.12 As shown, a reset mechanism is also included, which includes a rotating ring 24 and a reset spring 25; the rotating ring 24 is rotatably installed on the lower side of the universal flexible shaft 10, and the rotating ring 24 is located on the inner side of the connecting tube 8 on the lower side; the two ends of the reset spring 25 are respectively connected to the rotating ring 24 and the connecting tube 8.

[0037] When the connecting tube 8 is pulled toward the side closer to the user, the reset spring 25 is compressed; subsequently, when the connecting tube 8 needs to be pushed toward the side away from the user for reset, the connecting tube 8 only needs to be loosened to restore the reset spring 25 to its original state, thereby allowing the reset spring 25 to drive the connecting tube 8 to move toward the side away from the user for reset. In this way, the user can reset the connecting tube 8 conveniently.

[0038] See also Figure 1-Figure 10As shown, the present invention also provides a method for using a power facility safety protection device for a power construction site, comprising the following steps: firstly, twisting the threaded rod 19 to rotate, so that the tooth block 1801 on the circular plate II 18 leaves the tooth groove 1701 on the circular plate I 17, thereby unlocking the two adjacent connecting pipes 8, then twisting the connecting pipe 8 to bend, thereby adjusting the bending degree of the three connecting pipes 8, and then twisting the threaded rod 19 to rotate and reset in the opposite direction, so that the tooth block 1801 on the circular plate II 18 is re-engaged in the tooth groove 1701 on the circular plate I 17, thereby locking the two adjacent connecting pipes 8, and then holding the connecting pipe 8 to move so that the magnetic block 11 attracts the iron block 7, and the magnetic block 11 attracts the iron plate 5 to move, so that the hollow cylinder 2 extracts the air in the air bag 3 through the air pipe 4, and then The airbag 3 is contracted, and then the connecting tube 8 is held and moved to place the insulating cover 1 at the contact point between the insulator and the high-voltage line. The universal flexible shaft 10 is then twisted to rotate, so that the iron block 7 sends the other end of the clockwork spring 13 out from the outlet 1201, so that the clockwork spring 13 surrounds the outside of the connecting frame 12, and then the clockwork spring 13 buffers the object close to the insulating cover 1. Then the universal flexible shaft 10 is supported, and then the connecting tube 8 is pulled to the side close to the user to separate the magnetic block 11 from the iron block 7, so that the magnetic block 11 releases the iron plate 5. At this time, the elastic force of the compression spring 6 is used to drive the iron plate 5 to move and reset, so that the hollow tube 2 inputs air into the airbag 3 through the trachea 4, thereby expanding the airbag 3, and then the airbag 3 is pressed against the insulator through expansion, thereby limiting the insulating cover 1.

[0039] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A power facility safety protection device for use at a power construction site, comprising an insulating cover (1), characterized in that: The invention also comprises a hollow tube (2), an air bag (3), an air pipe (4), an iron plate (5), a compression spring (6), an iron block (7), a connecting tube (8), a bellows (9), a universal flexible shaft (10), a magnetic block (11), a buffer mechanism and a locking mechanism. The hollow tube (2) is mounted on the insulating cover (1). A vent hole I (201) is provided on the hollow tube (2). The air bag (3) is arranged on the inner side of the insulating cover (1). The two ends of the air pipe (4) are respectively connected to the hollow tube (2) and the air bag (3). The iron plate (5) is slidably arranged in the hollow tube (2). The two ends of the compression spring (6) are respectively connected to the iron plate (5) and the hollow tube (2). The iron block (7) ) is rotatably mounted on the hollow cylinder (2), a vent hole II (701) is formed on the iron block (7), the vent hole II (701) is communicated with the vent hole I (201), the number of the connecting pipes (8) is at least two, a bellows (9) is connected between the connecting pipes (8), a universal flexible shaft (10) is movably arranged between the inner sides of the connecting pipes (8), a magnetic block (11) is rotatably connected to the end of the connecting pipe (8) at one end, the magnetic block (11) is used to absorb the iron block (7), the universal flexible shaft (10) is slidably connected to the magnetic block (11), a buffer mechanism is used to buffer an object close to the insulating cover (1), and a locking mechanism is used to lock the connecting pipe (8).

2. The power facility safety protection equipment for power construction sites as claimed in claim 1 is characterized in that: The buffer mechanism comprises a connecting frame (12) and a spring (13), wherein the connecting frame (12) is connected to the hollow cylinder (2), an outlet (1201) is opened on the connecting frame (12), the spring (13) is arranged inside the connecting frame (12), and one end of the spring (13) is connected to the iron block (7).

3. The power facility safety protection equipment for power construction sites as claimed in claim 2 is characterized in that: The buffer mechanism also includes a lead-out block (14), which is installed in the connection frame (12), and the other end of the spring (13) contacts the lead-out block (14), and the lead-out block (14) is used to lead the other end of the spring (13) to the outlet (1201) of the connection frame (12).

4. The power facility safety protection equipment for power construction sites as claimed in claim 3 is characterized in that: The locking mechanism comprises a fixing frame (15), a connecting rod (16), a circular plate I (17), a circular plate II (18), a tooth block (1801) and a threaded rod (19). The fixing frame (15) is mounted on one end of the connecting tube (8), the connecting rod (16) is mounted on the other end of the connecting tube (8), the fixing frame (15) and the connecting rod (16) are rotatably connected, the circular plate I (17) is mounted on the connecting rod (16), tooth grooves (1701) are arranged at intervals in an annular manner on the circular plate I (17), the circular plate II (18) is slidably arranged on the fixing frame (15), the tooth blocks (1801) are connected at intervals in an annular manner on the circular plate II (18), the tooth blocks (1801) are inserted into the tooth grooves (1701), the threaded rod (19) is threadedly mounted on the fixing frame (15), and the threaded rod (19) and the circular plate II (18) are rotatably connected.

5. The electric power facility safety protection equipment for electric power construction site as claimed in claim 4 is characterized in that: The device also comprises a shielding mechanism, which comprises a sleeve (20), a shielding plate (21) and a spring piece (22). The sleeve (20) is slidably arranged on the connecting pipe (8), a shielding plate (21) is rotatably arranged on the sleeve (20), the shielding plate (21) is used to shield the magnetic block (11), and two ends of the spring piece (22) are respectively connected to the sleeve (20) and the shielding plate (21).

6. The electric power facility safety protection equipment for electric power construction site as claimed in claim 5, characterized in that the shielding The mechanism also includes a rubber tube (23), which is installed on the connecting tube (8) and is used to fix the sleeve (20).

7. The power facility safety protection equipment for power construction sites as claimed in claim 6 is characterized in that: The utility model also comprises a reset mechanism, which comprises a rotating ring (24) and a reset spring (25). The rotating ring (24) is rotatably mounted on the universal flexible shaft (10), and the two ends of the reset spring (25) are respectively connected to the rotating ring (24) and the connecting pipe (8).

8. A method for using the power facility safety protection equipment for power construction sites according to any one of claims 1 to 7, characterized in that: The method comprises the following steps: firstly, twisting the threaded rod (19) to rotate so that the tooth block (1801) on the circular plate II (18) leaves the tooth groove (1701) on the circular plate I (17), thereby unlocking two adjacent connecting pipes (8); then twisting the connecting pipe (8) to bend so as to adjust the bending degree of the three connecting pipes (8); then twisting the threaded rod (19) to rotate and reset in the opposite direction so that the tooth block (1801) on the circular plate II (18) is re-engaged in the tooth groove (1701) on the circular plate I (17), thereby locking the two adjacent connecting pipes (8); then holding the connecting pipe (8) to move so that the magnetic block (11) attracts the iron block (7), and the magnetic block (11) attracts the iron plate (5) to move, so that the hollow tube (2) extracts the air in the air bag (3) through the air pipe (4), thereby shrinking the air bag (3); then holding the connecting pipe (8) to move the magnetic block (11) to attract the iron block (7), and the magnetic block (11) attracts the iron plate (5) to move, so that the hollow tube (2) extracts the air in the air bag (3) through the air pipe (4), thereby shrinking the air bag (3); then holding the connecting pipe (8) to move the magnetic block (11) to attract the iron block (7), thereby moving the magnetic block (11) to attract the iron plate (5), thereby causing the hollow tube (2) to extract the air in the air bag (3) through the air pipe (4), thereby shrinking the air bag (3); The insulating cover (1) is moved and placed at the contact point between the insulator and the high-voltage line, and then the universal flexible shaft (10) is twisted and rotated, so that the iron block (7) sends the other end of the spring spring (13) out from the outlet (1201), so that the spring spring (13) surrounds the outside of the connection frame (12), and then the spring spring (13) buffers the object close to the insulating cover (1), and then the universal flexible shaft (10) is supported, and then the connecting pipe (8) is pulled to move to the side close to the user, so that the magnetic block (11) is separated from the iron block (7), so that the magnetic block (11) releases the iron plate (5), and at this time, the elastic force of the compression spring (6) is used to drive the iron plate (5) to move and reset, so that the hollow cylinder (2) inputs air into the air bag (3) through the air pipe (4), so that the air bag (3) expands, and then the air bag (3) is tightly attached to the insulator through expansion, thereby limiting the insulating cover (1).

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