Insulation support installation structure for electric power line erection

Abstract

The utility model discloses a mounting structure of an insulating bracket for erecting an electric power circuit. The mounting structure comprises a clamping driving mechanism, a fixed clamping strip and a movable clamping strip, the fixed clamping strip and the movable clamping strip are oppositely arranged to form a clamping effect; the clamping driving mechanism comprises a shell and a rotary driving unit installed in the shell, the fixed clamping strip is installed at one end of the shell, the movable clamping strip is fixedly connected with the rotary driving unit, and the movable clamping strip is driven by the rotary driving unit to be close to or away from the fixed clamping strip; the installation structure further comprises a fixing nail and a rotation driving mechanism. The fixing nail is installed on the side, facing the fixed clamping strip, of the movable clamping strip. The rotation driving mechanism is fixedly installed in the movable clamping strip, and the driving end of the rotation driving mechanism is connected with the fixing nail. In the process that the whole installation structure is clamped and installed on the electric wire column, the rotation driving mechanism drives the fixing nails to rotate and be screwed into the wall of the electric wire column, the effect of reinforcing installation can be achieved, and the installation of the installation structure is more stable.

Description

Technical Field

[0001] The utility model relates to the field of installation of insulating brackets for power line erection, and particularly relates to an installation structure of an insulating bracket for power line erection. Background Art

[0002] Power lines are usually erected on utility poles by insulating brackets, and the insulating brackets are usually clamped and installed on the utility poles by a clamping installation structure.

[0003] The current installation structure of insulating brackets usually installs them on utility poles through a clamping mechanism. During installation, the clamping parts on both sides are pressed against the outer walls on both sides of the utility pole, and the friction force generated after pressing provides the installation. This installation method only installs by clamping alone and lacks other reinforcement structures, so the installation stability is insufficient. For example, in places where heavy vehicles frequently pass through, affected by vibration, the installation structure will become loose after long-term use; in earthquake-prone areas, even one earthquake can cause the installation structure to fall off the utility pole, posing certain safety hazards.

[0004] Therefore, aiming at the problem of insufficient stability of the current installation structure of insulating brackets, it is an important problem to be solved in the design of the installation structure of insulating brackets to study how to improve the fixing effect after the insulating bracket installation structure is clamped and installed on the utility pole. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an installation structure of an insulating bracket for power line erection to solve the problem of insufficient stability of the existing installation structure of insulating brackets.

[0006] To solve the above technical problems, the present invention provides an installation structure of an insulating bracket for power line erection, including a clamping drive mechanism, a fixed clamping strip, and a movable clamping strip; the fixed clamping strip and the movable clamping strip are arranged opposite to each other to form a clamping effect; the clamping drive mechanism includes a housing and a rotation drive unit installed in the housing, the fixed clamping strip is installed at one end of the housing, the movable clamping strip is fixedly connected to the rotation drive unit, and the movable clamping strip approaches or moves away from the fixed clamping strip under the driving action of the rotation drive unit; the installation structure further includes a fixing nail and a rotation drive mechanism; the fixing nail is installed on the side of the movable clamping strip facing the fixed clamping strip; the rotation drive mechanism is fixedly installed in the movable clamping strip, and the driving end of the rotation drive mechanism is connected to the fixing nail for driving the fixing nail to move towards the side of the fixed clamping strip.

[0007] Further, the fixing nail includes outer flap strips and a radial pressing mechanism; the number of the outer flap strips is several, and the several outer flap strips are arranged in an annular array around the periphery of the radial pressing mechanism; when the fixing nail is driven by a rotary driving mechanism to be screwed into the position to be installed, the radial pressing mechanism provides a radial pressure in a direction away from the axis for the several outer flap strips, so that the outer flap strips tightly press against the side wall of the screwed installation hole.

[0008] Further, the radial pressing mechanism includes a sleeve, a movable rod, a first piston, a first spring, a first magnetic ring, a second magnetic ring and a third magnetic ring; the sleeve is sleeved on the movable rod, and one end of the movable rod is a free end arranged facing the side of the fixing strip clamp, and the other end of the movable rod extends into the sleeve. A first piston is fixedly connected to the end of the movable rod extending into the sleeve, and the end of the first piston facing away from the movable rod is elastically connected to the inner wall of the sleeve through a first spring. A stop block for limiting the moving range of the piston is fixedly installed on the inner wall of the sleeve; the third magnetic ring is aligned with the first magnetic ring and the second magnetic ring respectively along with the movable rod. When the first magnetic block is aligned with the third magnetic block, there is a magnetic attraction force between them. When the second magnetic block is aligned with the third magnetic block, there is a magnetic repulsive force between them.

[0009] Further, the first magnetic ring includes several first magnetic blocks fixedly embedded in an annular array on the rod surface of the movable rod; the second magnetic ring includes several second magnetic blocks fixedly embedded in an annular array on the rod surface of the movable rod; the third magnetic ring includes several third magnetic blocks fixedly embedded in an annular array on the strip surface of the outer flap strip.

[0010] Further, a concave hole is formed on the strip surface of the outer flap strip facing the radial pressing mechanism. The concave hole is in clearance fit connection with a communication cylinder. One end of the communication cylinder is welded to the outer wall of the sleeve, and the communication cylinder is communicated with the inside of the sleeve. A second piston is connected in the communication cylinder. A connecting column is fixedly connected to the middle of the second piston. One end of the connecting column extends to the outside of the communication cylinder, and one end of the connecting column is fixedly connected to the hole wall of the concave hole; one end of the sleeve is rotationally and sealingly connected with a second air pipe. The second air pipe is located in the movable clip strip, and the end of the second air pipe away from the sleeve is communicated with a pressurizing air cylinder through a first air pipe.

[0011] Further, the pressurizing air cylinder includes a cylinder body, a third piston, a U-shaped pipe, a fourth magnetic block, an iron block and a pressure relief valve; a third piston is connected in the cylinder body. An end hole is formed at one end of the cylinder body, and a pressure relief valve is installed at the other end of the cylinder body. The U-shaped pipe passes through the end hole and extends into the cylinder body. One end of the U-shaped pipe penetrates through the third piston, and the U-shaped pipe is fixedly connected to the third piston. The other port of the U-shaped pipe is aligned with the air inlet of the first air pipe; the fourth magnetic block is fixedly connected to one side of the third piston, and the iron block is fixedly installed on the inner wall of one end of the cylinder body, and the iron block is aligned with the fourth magnetic block.

[0012] Further, the pressure relief valve includes a straight pipe, a second retaining ring, a fixing strip, a second spring, a pressing plate, and a first sealing ring; the straight pipe is fixedly installed at one end of the cylinder body, and one end of the straight pipe communicates with the cylinder body. A fixing strip is fixedly installed inside the straight pipe, and the fixing strip is elastically connected to the pressing plate through a second spring. A second retaining ring is welded to the inner wall of the straight pipe. The diameter of the pressing plate is smaller than the inner diameter of the straight pipe and larger than the inner diameter of the second retaining ring. A first sealing ring is fixedly adhered to the surface of the pressing plate, and the first sealing ring is pressed against the second retaining ring.

[0013] Further, the clamping drive mechanism includes a housing, a screw, and a nut; the screw is rotatably installed inside the housing, the nut is in threaded engagement with the screw, and the nut is fixedly connected to one end of the movable clamping strip. The end of the movable clamping strip is slidably installed inside the housing along the length direction of the housing.

[0014] Further, the rotation drive mechanism includes a connecting rod member, a cylindrical gear, a first bevel gear, a rack, and a second bevel gear. One end of the connecting rod member is connected to one end of the cylindrical gear, and the cylindrical gear is meshed with the rack. A groove is formed in the inner wall of the housing along the length direction, and the rack is fixedly fitted into the groove. The other end of the connecting rod member is connected to the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is fixedly sleeved on the sleeve; the connecting rod member includes a transmission shaft rotatably installed inside the movable clamping strip and a universal joint; the number of transmission shafts is several, and adjacent transmission shafts are connected by a universal joint.

[0015] Further, a self-locking transmission mechanism is further included; the self-locking transmission mechanism includes a side cover, a knob, a worm, a rotating shaft, and a worm gear; the side cover is fixedly installed on the outer wall of one end of the housing. The worm and the rotating shaft are rotatably installed inside the side cover, and a worm gear is fixedly sleeved on the rotating shaft. The worm gear is meshed with the worm. One end of the rotating shaft is fixedly connected to one end of the screw, and one end of the worm extends to the outside of the side cover, and the end of the worm located outside the side cover is fixedly connected to the knob.

[0016] The beneficial effects of the present utility model are as follows: By providing a rotation drive mechanism and fixing nails, during the process of clamping and installing the entire installation structure on the electric wire pole, the fixing nails are driven by the rotation drive mechanism to rotate and screw into the electric wire pole wall, which can play a role in strengthening the installation and make the installation of the installation structure more stable. Description of the Drawings

[0017] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The same reference numerals are used to represent the same or similar parts in these drawings. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1This is a three-dimensional structure schematic diagram of the installation structure of the insulating bracket for the erection of the power line of the present invention.

[0019] Figure 2 This is a schematic diagram of the internal structure of the outer shell.

[0020] Figure 3 It is Figure 2 An enlarged schematic diagram of part A in

[0021] Figure 4 It is Figure 2 An enlarged schematic diagram of part B in

[0022] Figure 5 It is Figure 2 An enlarged schematic diagram of part C in

[0023] Figure 6 This is a schematic diagram of the internal structure of the movable clamping strip.

[0024] Figure 7 It is Figure 6 An enlarged schematic diagram of part D in

[0025] Figure 8 This is a schematic diagram of the structure when the end of the fixing nail is pressed against the outer wall of the electric wire column and the movable rod is in a telescopic state.

[0026] Figure 9 It is Figure 8 A schematic diagram of the A-A cross-sectional structure in

[0027] Figure 10 This is a schematic diagram of the structure when the movable rod loses the block after the fixing nail drills through the wall of the electric wire column.

[0028] In the figure: 1. Clamping driving mechanism; 101. Outer shell; 102. Screw rod; 103. Nut; 2. Self-locking transmission mechanism; 201. Side cover; 202. Knob; 3. Fixed clamping strip; 4. Movable clamping strip; 5. Fixing nail; 501. Outer flap strip; 502. Sleeve; 503. Movable rod; 504. First piston; 505. First spring; 506. First magnet; 507. Second magnet; 508. Third magnet; 509. Connecting cylinder; 510. Connecting column; 511. Second piston; 512. Concave hole; 513. Block; 6. Pressurized air cylinder; 601. Cylinder body; 6011. End hole; 602. Third piston; 603. U-shaped tube; 6031. First retaining ring; 604. Fourth magnet; 605. Iron block; 606. Pressure relief valve; 7. Rack; 8. First air pipe; 801. Second sealing ring; 9. Transmission shaft; 10. Universal joint; 11. Cylindrical gear; 12. Second air pipe; 13. First bevel gear; 14. Second bevel gear; 15. Electric wire column; 16. Insulating bracket mounting seat. Detailed implementation manners

[0029] As Figure 1 shown in the insulating bracket installation structure for electric power line erection, which includes a clamping drive mechanism 1, a fixed clamping strip 3 and a movable clamping strip 4; the fixed clamping strip 3 and the movable clamping strip 4 are arranged opposite to each other to form a clamping effect; the clamping drive mechanism 1 includes a housing 101 and a rotary drive unit installed in the housing 101, the fixed clamping strip 3 is installed at one end of the housing 101, the movable clamping strip 4 is fixedly connected to the rotary drive unit, and the movable clamping strip 4 approaches or moves away from the fixed clamping strip 3 under the driving action of the rotary drive unit; this installation structure also includes a fixing nail 5 and a rotary drive mechanism; the fixing nail 5 is installed on the side of the movable clamping strip 4 facing the fixed clamping strip 3; the rotary drive mechanism is fixedly installed in the movable clamping strip 4, and the driving end of the rotary drive mechanism is connected to the fixing nail 5, and is used to drive the fixing nail 5 to move and extend to the installation position of the wire column 15 on the side of the fixed clamping strip 3. By setting the rotary drive mechanism and the fixing nail 5, in the process of clamping and installing the whole installation structure on the wire column 15, the fixing nail 5 is driven by the rotary drive mechanism to rotate and screw into the wall of the wire column 15, which can play a role in strengthening the installation and make the installation of this installation structure more stable.

[0030] According to an embodiment of the present application, the fixing nail 5 includes outer flap strips and a radial pressing mechanism; the number of the outer flap strips 501 is several, and several outer flap strips 501 are arranged in an annular array around the radial pressing mechanism; when the fixing nail 5 is driven by the rotary drive mechanism to be screwed into the position to be installed, the radial pressing mechanism provides a radial pressure in the direction away from the axis for several outer flap strips 501, so that the outer flap strips 501 press against the side wall of the screwed installation hole. When the fixing nail 5 is driven by the rotary drive mechanism to rotate into the wall of the wire column 15, the radial pressing mechanism provides a radial pressure in the direction away from the axis for several outer flap strips 501, thereby increasing the friction between the fixing nail 5 and the side wall of the installation hole, ensuring the stability of this installation structure.

[0031] According to an embodiment of the present application, the radial pressure mechanism includes a sleeve 502, a movable rod 503, a first piston 504, a first spring 505, a first magnetic ring, a second magnetic ring, and a third magnetic ring; the sleeve 502 is sleeved on the movable rod 503, and one end of the movable rod 503 is a free end disposed facing one side of the fixed strip 6063 clip, and the other end of the movable rod 503 extends into the sleeve 502. A first piston 504 is fixedly connected to the end of the movable rod 503 extending into the sleeve 502, and the end of the first piston 504 facing away from the movable rod 503 is elastically connected to the inner wall of the sleeve 502 through a first spring 505. A stop block 513 for defining the movement range of the piston is fixedly installed on the inner wall of the sleeve 502; the number of the first magnetic blocks 506 and the second magnetic blocks 507 is several. A plurality of first magnetic blocks 506 are fixedly embedded in an annular array on the rod surface of the movable rod 503 to form a first magnetic ring, and a plurality of second magnetic blocks 507 are fixedly embedded in an annular array on the rod surface of the movable rod 503 to form a second magnetic ring. The first magnetic ring and the second magnetic ring are arranged at intervals; a plurality of third magnetic blocks 508 are fixedly embedded on the strip surface of the outer flap strip 501 facing the radial pressure mechanism. A plurality of third magnetic blocks 508 are fixedly embedded in an annular array on the strip surface of the outer flap strip 501 to form a third magnetic ring. The third magnetic ring corresponds to the first magnetic ring and the second magnetic ring respectively along with the movable rod 503. When the first magnetic block 506 is aligned with the third magnetic block 508, there is a magnetic attraction force between them. When the second magnetic block 507 is aligned with the third magnetic block 508, there is a magnetic repulsion force between them. During the process of clamping and installing to the electric wire column 15, among them Figure 8 the state of the fixing nail 5 is that the fixing nail 5 moves together with the movable clip strip 4, approaches the electric wire column 15, and makes a blocking contact through the outer wall of the electric wire. The radial pressure mechanism adopts a telescopic design. The end of the movable rod 503 is blocked, and it continues to press the outer wall of the electric wire column 15 and is received into the sleeve 502, compressing the first spring 505. The first magnetic block 506 is aligned with the third magnetic block 508, and the two are magnetically attracted, so that several outer flap strips 501 around are gathered around the radial pressure mechanism, constituting the gathering state of the fixing nail 5; when the fixing nail 5 drills into the electric wire column 15 and penetrates the wall of the electric wire column 15, the end of the movable rod 503 loses the block, and through the elastic force of the first spring 505, the movable rod 503 can be extended. At this time, as Figure 10 shown, after the movable rod 503 extends out, the second magnetic block 507 is aligned with the third magnetic block 508. When the two are aligned, there is a magnetic repulsion force, thereby providing a radial pressure in the direction away from the axis for the outer flap strip 501, pressing the hole wall generated after drilling, and improving the reinforcement effect after drilling and fixing.

[0032] According to an embodiment of the present application, a concave hole 512 is provided on the strip surface of the outer flap strip 501 facing the radial pressing mechanism. A communicating cylinder 509 is connected to the concave hole 512 in a clearance fit manner. One end of the communicating cylinder 509 is welded to the outer wall of the sleeve 502, and the communicating cylinder 509 communicates with the inside of the sleeve 502. A second piston 511 is connected to the inside of the communicating cylinder 509 in a matching manner. A connecting column 510 is fixedly connected to the middle of the second piston 511. One end of the connecting column 510 extends to the outside of the communicating cylinder 509, and one end of the connecting column 510 is fixedly connected to the hole wall of the concave hole 512. One end of the sleeve 502 is rotatably and sealingly connected to a second air pipe 12. The second air pipe 12 is located inside the movable clamping strip 4, and the end of the second air pipe 12 away from the sleeve 502 is communicated with the pressurizing air cylinder 6 through a first air pipe 8. A second sealing ring 801 is fixedly installed on the air inlet of the first air pipe 8, and a first retaining ring 6031 is fixedly installed inside the end of the U-shaped pipe 603 facing the air inlet of the first air pipe 8.

[0033] According to an embodiment of the present application, the pressurizing air cylinder 6 includes a cylinder body 601, a third piston 602, a U-shaped pipe 603, a fourth magnetic block 604, an iron block 605, and a pressure relief valve 606. A third piston 602 is connected to the inside of the cylinder body 601 in a matching manner. An end hole 6011 is provided at one end of the cylinder body 601. A pressure relief valve 606 is installed at the other end of the cylinder body 601. The U-shaped pipe 603 passes through the end hole 6011 and extends into the cylinder body 601. One end of the U-shaped pipe 603 penetrates through the third piston 602, and the U-shaped pipe 603 is fixedly connected to the third piston 602. The other port of the U-shaped pipe 603 is aligned with the air inlet of the first air pipe 8. The fourth magnetic block 604 is fixedly connected to one side of the third piston 602. The iron block 605 is fixedly installed on the inner wall of one end of the cylinder body 601, and the iron block 605 is aligned with the fourth magnetic block 604. The fourth magnetic block 604 moves together with the third piston 602. After clamping, the fourth magnetic block 604 contacts the iron block 605, and through magnetic attraction, the compression of the gas in the cylinder body 601 is maintained, avoiding the pressure of the gas compression acting on the movable clamping strip 4.

[0034] According to an embodiment of the present application, the pressure relief valve 606 includes a straight pipe, a second retaining ring, a fixing strip, a second spring, a pressing plate, and a first sealing ring. The straight pipe is fixedly installed at one end of the cylinder body 601, and one end of the straight pipe communicates with the cylinder body 601. A fixing strip is fixedly installed inside the straight pipe, and the fixing strip is elastically connected to the pressing plate through a second spring 4. A second retaining ring is welded on the inner wall of the straight pipe. The diameter of the pressing plate is smaller than the inner diameter of the straight pipe, and the diameter of the pressing plate is larger than the inner diameter of the second retaining ring. A first sealing ring is fixedly adhered to the plate surface of the pressing plate, and the first sealing ring is pressed against the second retaining ring.

[0035] During the clamping drive process, the movable clamping strip 4 approaches the fixed clamping strip 3. During the approaching process, the first air pipe 8 is inserted into the U-shaped pipe 603. The second sealing ring 801 presses against the first retaining ring to provide a seal for the connection between the first air pipe 8 and the U-shaped pipe 603 after insertion. The movable clamping strip 4 continues to approach, and the U-shaped pipe 603 is pushed to move through the first air pipe 8. The lower part of the U-shaped pipe 603 is retracted into the cylinder body 601, and at the same time, the first piston 504 moves together. When the first piston 504 moves, the gas in the cylinder body 601 is pressurized. The space for pressurizing the gas is connected to the sleeve 502 through the U-shaped pipe 603, the first air pipe 8, and the second air pipe 12 to increase the pressure in the sleeve 502. A pressure relief valve 606 is provided to relieve the pressure and keep the internal air pressure at a fixed value. This air pressure acts on the second piston 511 through the connecting cylinder 509, and provides a pressure in the direction away from the axis for the outer flap strip 501 through the connecting column 510. When the movable rod 503 is not retracted, that is, in the non- Figure 8 state, the above pressure is generated. When in the Figure 8 state, the first piston moves the communication plug to the rear of the connecting cylinder 509. The connecting cylinder 509 is not connected to the pressurizing space, and the above pressure will not be generated. However, when the wall of the electric wire column 15 is drilled through, the movable rod 503 is reset by the elastic force of the first spring 505. After resetting, as shown in Figure 10 , at this time, the first piston 504 moves to the front of the connecting cylinder 509, so that the connecting cylinder 509 is connected to the pressurizing space, and provides a pressure in the direction away from the axis for the outer flap strip 501. The thickness of the first piston 504 is greater than the inner diameter of the connecting cylinder 509. During the movement of the first piston 504, its peripheral surface can completely cover and block the connection between the cylinder and the sleeve 502, avoiding air leakage caused by the thickness of the first piston 504 being less than the inner diameter of the connecting cylinder 509 during the movement.

[0036] According to an embodiment of the present application, the clamping drive mechanism 1 includes a housing 101, a screw 102, and a nut 103; the screw 102 is rotatably installed inside the housing 101, the nut 103 is in threaded engagement with the screw 102, and the nut 103 is fixedly connected to one end of the movable clamping strip 4. The end of the movable clamping strip 4 is slidably installed along the length direction of the housing 101 into the housing 101. The nut 103 drives the movable clamping strip 4 to move away from or close to the fixed clamping strip 3 as it rotates.

[0037] According to an embodiment of the present application, the rotation drive mechanism includes a connecting rod member, a cylindrical gear 11, a first bevel gear 13, a rack 7, and a second bevel gear 14. One end of the connecting rod member is connected to one end of the cylindrical gear 11, and the cylindrical gear 11 is meshed and connected to the rack 7. A groove is formed along the length direction on the inner wall of the housing 101, and the rack 7 is fixedly fitted and installed in the groove. The other end of the connecting rod member is connected to the first bevel gear 13, the first bevel gear 13 is meshed and connected to the second bevel gear 14, and the second bevel gear 14 is fixedly sleeved on the sleeve 502; the connecting rod member includes a transmission shaft 9 rotatably installed inside the movable clamping strip 4 and a universal joint 10; the number of the transmission shafts 9 is several, and adjacent transmission shafts 9 are connected by the universal joint 10. When the movable clamping strip 4 moves, the cylindrical gear 11 travels on the rack 7, and the cylindrical gear 11 rotates. Through the universal joint 10 in the connecting rod member, all the transmission shafts 9 rotate. Further, through the meshing transmission between the first bevel gear 13 and the second bevel gear 14, the sleeve 502 rotates, thereby driving the fixing nail 5 to rotate and being screwed into the electric wire column 15.

[0038] According to an embodiment of the present application, a self-locking transmission mechanism 2 is further included; the self-locking transmission mechanism 2 includes a side cover 201, a knob 202, a worm, a rotating shaft, and a worm gear; the side cover 201 is fixedly installed on the outer wall of one end of the housing 101. The worm and the rotating shaft are rotatably installed inside the side cover 201, and a worm gear is fixedly sleeved on the rotating shaft. The worm gear is meshed and connected to the worm. One end of the rotating shaft is fixedly connected to one end of the screw rod 102. One end of the worm extends to the outside of the side cover 201, and the end of the worm located outside the side cover 201 is fixedly connected to the knob 202. By rotating the knob 202, the worm rotates. Through the meshing transmission between the worm and the worm gear, the rotating shaft and the screw rod 102 rotate together and are screwed with the nut 103. Cooperating with the sliding guide of the movable clamping strip 4 in the housing 101, the lateral movement of the movable clamping strip 4 is realized; wherein the self-locking characteristic is provided by the worm gear and the worm, which is convenient for self-locking after clamping and ensures the clamping effect.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A power line erection insulating support installation structure, comprising a clamping drive mechanism, a fixed clamping bar and a movable clamping bar; the fixed clamping bar and the movable clamping bar are arranged relative to each other to form a clamping effect; the clamping drive mechanism comprises a housing and a rotating drive unit installed in the housing, the fixed clamping bar is installed at one end of the housing, the movable clamping bar is fixedly connected to the rotating drive unit, and the movable clamping bar approaches or moves away from the fixed clamping bar under the driving action of the rotating drive unit, characterized in that: It also includes a fixing nail and a rotation drive mechanism; the fixing nail is installed on the side of the movable clamp facing the fixed clamp; the rotation drive mechanism is fixedly installed in the movable clamp, and the driving end of the rotation drive mechanism is connected to the fixing nail for driving the fixing nail to move toward one side of the fixed clamp.

2. The insulating bracket installation structure for installing power lines according to claim 1, characterized in that: The fixing pin includes an outer petal strip and a radial pressure mechanism; the number of the outer petals is several, and the several outer petals are arranged in a ring array around the radial pressure mechanism; when the fixing pin is driven and screwed into the position to be installed by the rotary drive mechanism, the radial pressure mechanism provides radial pressure away from the axial direction to the several outer petals, so that the outer petals are pressed against the side wall of the installation hole into which they are screwed.

3. The insulating bracket installation structure for installing power lines according to claim 2, characterized in that: The radial pressurizing mechanism includes a sleeve, a movable rod, a first piston, a first spring, a first magnetic ring, a second magnetic ring and a third magnetic ring; the sleeve is sleeved on the movable rod, and one end of the movable rod is a free end arranged facing the side of the fixed bar clamp, the other end of the movable rod extends into the sleeve, the end of the movable rod extending into the sleeve is fixedly connected with the first piston, and the end of the first piston facing away from the movable rod is elastically connected to the inner wall of the sleeve through the first spring, and a block for limiting the movement range of the piston is fixedly installed on the inner wall of the sleeve; the third magnetic ring is aligned with the first magnetic ring and the second magnetic ring respectively with the movable rod, when the first magnetic ring is aligned with the third magnetic ring, there is a magnetic attraction between the two, and when the second magnetic ring is aligned with the third magnetic ring, there is a magnetic repulsion between the two.

4. The insulating bracket installation structure for installing power lines according to claim 3, characterized in that: The first magnetic ring includes a plurality of first magnetic blocks fixedly embedded in a ring array on the rod surface of the movable rod; the second magnetic ring includes a plurality of second magnetic blocks fixedly embedded in a ring array on the rod surface of the movable rod; the third magnetic ring includes a plurality of third magnetic blocks fixedly embedded in a ring array on the strip surface of the outer petal strip.

5. The insulating bracket installation structure for installing power lines according to claim 4, characterized in that: A concave hole is provided on the strip surface of the outer petal strip facing the radial pressurizing mechanism, and a connecting tube is connected with the clearance of the concave hole. One end of the connecting tube is welded to the outer wall of the sleeve, and the connecting tube is connected with the inside of the sleeve. A second piston is connected with the inside of the connecting tube. A connecting column is fixedly connected to the middle part of the second piston, one end of the connecting column extends to the outside of the connecting tube, and one end of the connecting column is fixedly connected to the wall of the concave hole; one end of the sleeve is rotatably sealed and connected to a second air pipe, the second air pipe is located in the movable clamp, and the end of the second air pipe away from the sleeve is connected to the pressurized air cylinder through the first air pipe.

6. The insulating bracket installation structure for installing power lines according to claim 5, characterized in that: The pressurized gas cylinder includes a cylinder body, a third piston, a U-shaped tube, a fourth magnetic block, an iron block and a pressure relief valve; the third piston is connected to the inside of the cylinder body, an end hole is opened at one end of the cylinder body, and a pressure relief valve is installed at the other end of the cylinder body, the U-shaped tube passes through the end hole and extends into the cylinder body, one end of the U-shaped tube passes through the third piston, and the U-shaped tube is fixedly connected to the third piston, and the other end of the U-shaped tube is aligned with the air inlet of the first air pipe; the fourth magnetic block is fixedly connected to one side of the third piston, the iron block is fixedly installed to the inner wall of one end of the cylinder body, and the iron block is aligned with the fourth magnetic block.

7. The insulating bracket installation structure for installing power lines according to claim 6, characterized in that: The pressure relief valve includes a straight pipe, a second retaining ring, a fixing strip, a second spring, a pressure plate and a first sealing ring; the straight pipe is fixedly installed at one end of the cylinder, and one end of the straight pipe is connected to the cylinder, a fixing strip is fixedly installed inside the straight pipe, and the fixing strip is elastically connected to the pressure plate through the second spring, a second retaining ring is welded on the inner wall of the straight pipe, the diameter of the pressure plate is smaller than the inner diameter of the straight pipe, and the diameter of the pressure plate is larger than the inner diameter of the second retaining ring, a first sealing ring is fixedly bonded to the plate surface of the pressure plate, and the first sealing ring is pressed tightly onto the second retaining ring.

8. The insulating bracket installation structure for installing power lines according to claim 1, characterized in that: The clamping drive mechanism includes a shell, a screw and a nut; the screw is rotatably installed inside the shell, the nut is threadedly connected to the screw, and the nut is fixedly connected to one end of the movable clamp, and the end of the movable clamp is slidably installed into the shell along the length direction of the shell.

9. The insulating bracket installation structure for installing power lines according to claim 1, characterized in that: The rotary drive mechanism includes a connecting rod, a cylindrical gear, a first bevel gear, a rack and a second bevel gear; one end of the connecting rod is connected to one end of the cylindrical gear, and the cylindrical gear is meshed with the rack, a groove is provided on the inner wall of the shell along the length direction, the rack is fixedly mounted in the groove, the other end of the connecting rod is connected to the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is fixedly sleeved on the sleeve; the connecting rod includes a transmission shaft and a universal joint rotatably mounted inside the movable clamp; the number of the transmission shafts is several, and adjacent transmission shafts are connected by universal joints.

10. The insulating bracket installation structure for installing power lines according to claim 8, characterized in that: It also includes a self-locking transmission mechanism; the self-locking transmission mechanism includes a side cover, a knob, a worm, a rotating shaft and a worm wheel; the side cover is fixedly installed on the outer wall of one end of the outer shell, the side cover has a worm and a rotating shaft rotatably installed inside, and a worm wheel is fixedly sleeved on the rotating shaft, the worm wheel is meshingly connected to the worm, one end of the rotating shaft is fixedly connected to one end of the screw, one end of the worm extends to the outside of the side cover, and the end of the worm located outside the side cover is fixedly connected to the knob.

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