Winch lead live working hanging system based on helicopter platform

Abstract

The invention discloses a winch wire live-line work hanging system based on a helicopter platform, belongs to the technical field of power transmission line detection auxiliary equipment, and aims to meet the subject requirement that a single unit completes multiple overhaul work scenes of wires and ground wires. The winch lead hot-line work hanging system based on the helicopter platform comprises a winch (1), a winch steel cable (2), a winch lifting hook (3), a first safety lock catch (4), a main insulating rope (5) and a second safety lock catch (6) which are sequentially connected from top to bottom. The winch lead hot-line work hanging system based on the helicopter platform not only combines ground wire maintenance work experience of a helicopter winch method, but also combines a hanging chair type and a lead hot-line work scene, can cover most work requirements of lead hot-line work, realizes completion of ground wire work by a single unit, and improves the productivity of the single unit.

Description

Technical Field

[0001] The present invention relates to the technical field of auxiliary equipment for transmission line detection, and specifically to a winch wire live working hanging system based on a helicopter platform. Background Art

[0002] The UHV power grid plays a core role in the entire national power grid. Once it is put into operation, it is very difficult to cut off the power for maintenance. Therefore, live working, as an important technical means for the operation and maintenance of the UHV power grid, is of great significance for ensuring the safe, stable and reliable operation of the UHV power grid.

[0003] Helicopter live maintenance work is to directly deliver maintenance personnel to the line defect by helicopter and carry out maintenance work without cutting off the power of the transmission line, which not only improves work efficiency but also ensures the safety of maintenance personnel. In the emergency state of the power grid, live working on lines in remote and complex terrains has obvious advantages, and is characterized by being fast, efficient and high-tech compared with traditional manual live working, representing the highest level of current international live working technology for transmission lines. Helicopter live maintenance technology includes three methods according to the operation method: platform method, sling method and basket method. Among them, the sling method has high on-site operation efficiency, fast speed of entering and exiting the strong electric field at the equipotential, and is not restricted by the arrangement mode of the ground wire and conductor.

[0004] The sling method and the basket method mainly complete the wire maintenance operation tasks, and the winch hanging chair method mainly completes the ground wire maintenance operation tasks. When there are both wire maintenance tasks and ground wire maintenance tasks, two operation teams or even two aircraft need to be arranged to complete the maintenance operation, which greatly affects the operation efficiency of the unit. Summary of the Invention

[0005] In order to meet the requirements of various maintenance operation scenarios for wires and ground wires by a single unit, the present invention provides a winch wire live working hanging system based on a helicopter platform. The winch wire live working hanging system based on a helicopter platform not only combines the experience of winch method for ground wire maintenance operation of a helicopter, but also combines the hanging chair type and the wire live working scenario, and can realize two forms: "helicopter - winch - insulating rope - maintenance personnel" and "helicopter - winch - insulating rope - hanging chair (single hanging chair / double hanging chair)". It can flexibly configure various forms such as hovering operation, personnel on-line operation, single-person operation and double-person operation, can cover most operation requirements of wire live working, realize the operation of wires and ground wires by a single unit, and improve the production capacity of a single unit.

[0006] The technical solution adopted by the embodiment of the present invention to solve its technical problems is:

[0007] A winch wire live working hanging system based on a helicopter platform, comprising a winch, a winch steel cable, a winch hook, a first safety buckle, a main insulating rope and a second safety buckle, which are connected in sequence from top to bottom.

[0008] The beneficial effects of the embodiments of the present invention are as follows: Four hanging methods for the winch wire operation are proposed, enabling flexible configuration of various forms such as hovering operation, personnel on-line operation, single-person operation, and double-person operation, which can cover most of the operation requirements for live wire operation. It realizes the completion of the conductor and ground wire operation by a single unit, improving the production capacity of a single unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0010] Figure 1 It is a schematic diagram of the winch wire live working hanging system based on a helicopter platform described in Embodiment 1 of the present invention.

[0011] Figure 2 It is a schematic diagram of the winch wire live working hanging system based on a helicopter platform described in Embodiment 2 of the present invention.

[0012] Figure 3 It is a front view schematic diagram of the light multi-functional hanging chair for on-line operation of a helicopter described in the present invention.

[0013] Figure 4 It is a schematic diagram of a single set of seat components.

[0014] Figure 5 It is a schematic diagram of the structure of the main hanging plate.

[0015] Figure 6 It is a schematic diagram of the seat part.

[0016] Figure 7 It is an exploded schematic diagram of the single-chair hanging plate.

[0017] Figure 8 It is Figure 7 An enlarged schematic diagram of the upper and lower rotating seats.

[0018] Figure 9 It is an exploded schematic diagram of the seat.

[0019] Figure 10 It is a schematic diagram of the winch wire live working hanging system based on a helicopter platform described in Embodiment 3 of the present invention.

[0020] Figure 11 It is a schematic diagram of the winch wire live working hanging system based on a helicopter platform described in Embodiment 4 of the present invention.

[0021] The descriptions of the reference numerals are as follows:

[0022] 1. Winch; 2. Winch cable; 3. Winch hook; 4. First safety buckle; 5. Main insulating rope; 6. Second safety buckle; 7. Suspended chair; 8. Counterweight; 9. Rope winding and releasing device; 10. Backup insulating rope; 11. Counterweight support frame; 12. Operator

[0023] 71. Main hanging plate; 72. Third safety buckle; 73. Single-chair hanging plate; 74. Connecting rope; 75. Safety belt; 76. Seat; 77. Adjusting rope; 78. Footrest; 79. Connecting rod; 710. Connecting rope

[0024] 711. First upper hanging hole; 712. First lower hanging hole

[0025] 721. First hanging ring; 722. Second hanging ring

[0026] 731. Horizontal front vertical plate; 732. Bolt; 733. Upper rotating seat; 734. Lower rotating seat; 735. Pin; 736. Spring; 737. Rotating shaft; 738. Longitudinal rear vertical plate

[0027] 741. Left vertical rope section; 742. Right vertical rope section; 743. Rear vertical rope section; 744. Third hanging ring; 745. Fourth hanging ring; 746. Left inclined rope section; 747. Right inclined rope section

[0028] 751. Barrier belt

[0029] 761. Cushion; 762. Bottom plate; 763. Spacer block; 764. Triangular hanging ring; 765. Support plate; 766. Protective ring; 767. Footrest fixing plate; 768. Big head bolt; 769. Multi-functional hanging point

[0030] 7311. Second upper hanging hole; 7312. Second left hanging hole; 7313. Second right hanging hole

[0031] 7331. Circular through hole

[0032] 7341. Square through hole

[0033] 7371. Circular section; 7372. Square section

[0034] 7381. Second rear hanging hole

[0035] 7621. Left vertical plate section; 7622. Lower horizontal plate section; 7623. Right vertical plate section; 7624. Round hole

[0036] 7691. Hanging through hole Detailed implementation method

[0037] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0038] For the convenience of understanding and description, an absolute positional relationship is adopted in the following description of the present invention. Without special instructions, the orientation word "upper" represents Figure 3 the upper side direction in Figure 3 the lower side direction in Figure 3 the right side direction in Figure 3 the left side direction in Figure 3 the front represents the direction perpendicular to Figure 3 the paper surface of

[0039] A winch wire live working suspension system based on a helicopter platform according to the present invention includes a winch 1, a winch cable 2, a winch hook 3, a first safety buckle 4, a main insulating rope 5, and a second safety buckle 6 that are connected in sequence from top to bottom (directly connected or indirectly connected).

[0040] The winch wire live working suspension system based on the helicopter platform according to the present invention may include 4 suspension implementation methods. The following is a detailed introduction to the 4 suspension implementation methods.

[0041] Embodiment 1 (Helicopter - Winch - Insulating Rope - Maintenance Personnel)

[0042] As Figure 1 shown, in this embodiment, the winch wire live working suspension system based on the helicopter platform includes a winch 1, a winch cable 2, a winch hook 3, a first safety buckle 4, a main insulating rope 5, and a second safety buckle 6 that are connected in sequence from top to bottom. A counterweight 8 is connected to the lower part of the main insulating rope 5. Both the first safety buckle 4 and the second safety buckle 6 can adopt existing D - type locks.

[0043] Operation mode: Use the winch 1 installed on the helicopter to lower the operating personnel 12 and the main insulating rope 5 for maintenance operations to the lifting point, or the maintenance operation personnel carry the main insulating rope 5 to the lifting point. The helicopter hovers above the lifting point. The winch hook 3 at the end of the winch 1 hooks one end of the main insulating rope 5. The helicopter slowly ascends in height, and the operating personnel slowly raise the main insulating rope 5, taking care to avoid contact between the main insulating rope 5 and the ground. After all of the main insulating rope 5 is extended, the maintenance operation personnel connect the second safety buckle 6 at the end of the main insulating rope 5 to the safety belt. After confirming reliable connection, they gesture to direct the helicopter to suspend the equipotential personnel and continue to ascend in height. The helicopter hangs the equipotential personnel and flies along the established route to near the operation point, slowly descends in height, and obliquely cuts into the line, and steadily drops the operating personnel to the operation point at one time.

[0044] When the equipotential operating personnel smoothly enter the bundled conductors, first firmly connect the safety belt protection rope of their own to the conductor, then unfasten the connection between the safety belt and the main insulating rope 5. After confirming reliable connection to the conductor and detachment from the sling, direct the helicopter to fly away from the operation position.

[0045] The equipotential personnel wrap the secondary protection rope around the bundled conductors, slowly move to the operation position, and carry out the operation as required.

[0046] After completing the established operation tasks, the helicopter returns to the on-line lifting position with the main insulating rope 5. After the maintenance operation personnel receive the main insulating rope 5, they notify the helicopter to hover. The maintenance operation personnel connect the safety belt to the sling. After confirming reliable connection, unfasten the waist rope of the safety belt. After confirming complete detachment from the conductor without entanglement or snagging, direct the helicopter to slowly ascend in height until completely exiting the equipotential.

[0047] Applicable subjects: Applicable to most conductor maintenance operation subjects.

[0048] Precautions: A counterweight 8 is configured at the end of the main insulating rope 5 to prevent the rope from swaying or even being caught by the helicopter rotor during the process of the helicopter exiting after the on-line operating personnel go on line.

[0049] Embodiment 2 (Helicopter - Winch - Insulating Rope - Hanging Chair (Single Hanging Chair / Double Hanging Chair))

[0050] As Figures 2 to 9 shown, in this embodiment, the winch conductor live working hanging system based on a helicopter platform includes a winch 1, a winch steel cable 2, a winch hook 3, a first safety buckle 4, a main insulating rope 5, and a second safety buckle 6 that are connected in sequence from top to bottom. Both the first safety buckle 4 and the second safety buckle 6 can adopt existing D-type locks.

[0051] The winch wire live working hanging system based on a helicopter platform further includes a hanging chair 7, and the winch 1, winch wire rope 2, winch hook 3, first safety buckle 4, main insulating rope 5, second safety buckle 6, and hanging chair 7 are connected in sequence from top to bottom.

[0052] As Figure 2 and Figure 3 shown, the hanging chair 7 includes a single set of seat components. The single set of seat components includes a single-chair hanging plate 73, a connecting rope 74, and a seat 76 connected in sequence from top to bottom. The single-chair hanging plate 73 is connected to the second safety buckle 6. The hanging chair 7 further includes a main hanging plate 71. The main hanging plate 71 and the single set of seat components are arranged vertically, and the two single set of seat components are arranged symmetrically left and right. The single-chair hanging plate 73 is connected to the second safety buckle 6 through a third safety buckle 72 and the main hanging plate 71 in sequence.

[0053] It can be understood that the hanging chair 7 can be in the form of one single set of seat components or two single set of seat components according to needs. When the hanging chair 7 uses one single set of seat components, the winch 1, winch wire rope 2, winch hook 3, first safety buckle 4, main insulating rope 5, second safety buckle 6, and the single set of seat components are connected in sequence from top to bottom, and the single-chair hanging plate 73 is connected to the second safety buckle 6. When the hanging chair 7 uses two single set of seat components, the winch 1, winch wire rope 2, winch hook 3, first safety buckle 4, main insulating rope 5, second safety buckle 6, main hanging plate 71, third safety buckle 72, and the two single set of seat components are connected in sequence from top to bottom, and the single-chair hanging plate 73 is connected to the third safety buckle 72.

[0054] When working alone, one single set of seat components is used to hang under the helicopter for operation. When working in pairs, the two single set of seat components are connected to the following main hanging plate 71 and then hung under the helicopter for operation. Both the main hanging plate 71 and the single-chair hanging plate 73 are made of high-strength and low-density aluminum-magnesium alloy material, which has the advantages of light weight and high strength.

[0055] The main hanging plate 71 is an upright plate-like structure, the main hanging plate 71 extends in the left-right direction, and the main hanging plate 71 is subjected to arc treatment. A first upper hanging hole 711 is provided in the middle of the main hanging plate 71 in the left-right direction. First lower hanging holes 712 are provided on both the left and right sides of the main hanging plate 71. The first upper hanging hole 711 is located in the upper part of the main hanging plate 71, and the first lower hanging hole 712 is located in the lower part of the main hanging plate 71. The first lower hanging hole 712 is connected to the third safety buckle 72 through a first hanging ring 721.

[0056] As Figure 5 and Figure 7As shown, the projection of the single-chair hanging plate 73 on the horizontal plane is a T-shaped structure. The single-chair hanging plate 73 includes a transverse front vertical plate 731 and a longitudinal rear vertical plate 738. Both the transverse front vertical plate 731 and the longitudinal rear vertical plate 738 are upright plate-like structures. The transverse front vertical plate 731 extends in the left-right direction, and the longitudinal rear vertical plate 738 extends in the front-rear direction. Both the transverse front vertical plate 731 and the longitudinal rear vertical plate 738 are treated with rounding.

[0057] In the middle of the transverse front vertical plate 731 along the left-right direction, a second upper hanging hole 7311 is provided. On the left side of the transverse front vertical plate 731, a second left hanging hole 7312 is provided. On the right side of the transverse front vertical plate 731, a second right hanging hole 7313 is provided. The second upper hanging hole 7311 is located in the upper part of the transverse front vertical plate 731. The second left hanging hole 7312 is located in the lower part of the transverse front vertical plate 731. The second right hanging hole 7313 is located in the lower part of the transverse front vertical plate 731. At the rear part of the longitudinal rear vertical plate 738, a second rear hanging hole 7381 is provided. The second rear hanging hole 7381 is located in the lower part of the longitudinal rear vertical plate 738. The second upper hanging hole 7311 is connected to the third safety buckle 72 through a second hanging ring 722.

[0058] As Figure 7 and Figure 8 As shown, an upper rotating seat 733 and a lower rotating seat 734 are fixedly connected to the rear side surface of the transverse front vertical plate 731. The upper rotating seat 733 and the lower rotating seat 734 are connected and fixed to the transverse front vertical plate 731 through bolts 732. The upper rotating seat 733 and the lower rotating seat 734 are arranged at an interval in the up-down direction. The front part of the longitudinal rear vertical plate 738 is connected to the upper rotating seat 733 and the lower rotating seat 734 through a rotating shaft 737. The rotating shaft 737 is in an upright state. The upper part of the rotating shaft 737 is located inside the upper rotating seat 733, and the lower part of the rotating shaft 737 is located inside the lower rotating seat 734.

[0059] The single-chair hanging plate 73 can be unfolded and folded to facilitate storage. When the single-chair hanging plate 73 is in the unfolded state, the transverse front vertical plate 731 is perpendicular to the longitudinal rear vertical plate 738. When the single-chair hanging plate 73 is in the folded state, the transverse front vertical plate 731 is parallel to the longitudinal rear vertical plate 738 (i.e., stacked and connected).

[0060] Specifically, as Figure 7 and Figure 8As shown, a circular through-hole 7331 is provided inside the upper rotating seat 733, and a square through-hole 7341 is provided inside the lower rotating seat 734. The outer peripheral surface of the rotating shaft 737 includes a circular section 7371 and a square section 7372 that are connected up and down. The cross-section of the circular section 7371 is circular, and the cross-section of the square section 7372 is square. The circular section 7371 is disposed in the circular through-hole 7331 in a matching manner, and the square section 7372 is disposed in the square through-hole 7341 in a matching manner. The longitudinal rear vertical plate 738 and the rotating shaft 737 are fixedly connected by a pin 735. The rotating shaft 737 can move up and down. A spring 736 is sleeved outside the rotating shaft 737, and the upper and lower ends of the spring 736 are respectively abutted against the upper rotating seat 733 and the longitudinal rear vertical plate 738.

[0061] At first, the square section 7372 is disposed in the square through-hole 7341 in a matching manner. After the rotating shaft 737 and the longitudinal rear vertical plate 738 move upward, the square section 7372 can be separated from the square through-hole 7341, and the longitudinal rear vertical plate 738 can rotate around the rotating shaft 737 and the longitudinal rear vertical plate 738 can be perpendicular or parallel to the transverse front vertical plate 731, so that the single-chair hanging plate 73 can be in an unfolded or folded state. The spring 736 can make the square section 7372 return to the square through-hole 7341, thereby locking the state of the longitudinal rear vertical plate 738.

[0062] For example, when the single-chair hanging plate 73 is in a folded state, the square section 7372 is disposed in the square through-hole 7341 in a matching manner. Hold the longitudinal rear vertical plate 738 and move it upward. The square section 7372 is separated from the square through-hole 7341, so that the longitudinal rear vertical plate 738 rotates 90° around the rotating shaft 737. The longitudinal rear vertical plate 738 is perpendicular to the transverse front vertical plate 731, then the single-chair hanging plate 73 can be in an unfolded state. After letting go, the spring 736 makes the square section 7372 return to the square through-hole 7341, thereby locking the state of the longitudinal rear vertical plate 738.

[0063] Or, when the single-chair hanging plate 73 is in an unfolded state, the square section 7372 is disposed in the square through-hole 7341 in a matching manner. Hold the longitudinal rear vertical plate 738 and move it upward. The square section 7372 is separated from the square through-hole 7341, so that the longitudinal rear vertical plate 738 rotates 90° around the rotating shaft 737. The longitudinal rear vertical plate 738 is parallel to the transverse front vertical plate 731, then the single-chair hanging plate 73 can be in a folded state. After letting go, the spring 736 makes the square section 7372 return to the square through-hole 7341, thereby locking the state of the longitudinal rear vertical plate 738.

[0064] Such as Figure 2 and Figure 3As shown in the figure, the connecting rope 74 includes a left vertical rope segment 741, a right vertical rope segment 742, and a rear vertical rope segment 743. The left vertical rope segment 741, the right vertical rope segment 742, and the rear vertical rope segment 743 are distributed in an isosceles triangle. The left vertical rope segment 741, the right vertical rope segment 742, and the rear vertical rope segment 743 are all in a vertical state. The upper end of the left vertical rope segment 741 is connected to the second left hanging hole 7312 through a third hanging ring 744. The upper end of the right vertical rope segment 742 is connected to the second right hanging hole 7313 through a third hanging ring 744. The upper end of the rear vertical rope segment 743 is connected to the second rear hanging hole 7381 through a third hanging ring 744.

[0065] To improve safety, the connecting rope 74 further includes a left inclined rope segment 746 and a right inclined rope segment 747. The upper end of the left inclined rope segment 746 is fixedly connected to the middle part of the left vertical rope segment 741. The lower end of the left inclined rope segment 746 is fixedly connected to the lower part of the rear vertical rope segment 743. The upper end of the right inclined rope segment 747 is fixedly connected to the middle part of the right vertical rope segment 742. The lower end of the right inclined rope segment 747 is fixedly connected to the lower part of the rear vertical rope segment 743.

[0066] As Figure 6 and Figure 9 shown in the figure, the seat 76 includes a bottom plate 762. The seat 76 is made by bending a whole stainless steel plate. The bottom plate 762 has a U-shaped structure. The bottom plate 762 includes a left vertical plate segment 7621, a lower horizontal plate segment 7622, and a right vertical plate segment 7623 that are connected in sequence from left to right. Round holes 7624 are provided in the upper parts of both the left vertical plate segment 7621 and the right vertical plate segment 7623. A support plate 765 and a triangular hanging ring 764 are fixedly connected in sequence to the rear part of the lower surface of the lower horizontal plate segment 7622. A cushion block 763 is fixedly connected to the rear part of the lower surface of the lower horizontal plate segment 7622. The triangular hanging ring 764 is welded and fixed on the support plate 765 for hanging the rear rope. The support plate 765 is stacked and welded and fixed on the lower surface of the lower horizontal plate segment 7622 to reduce the local stress generated by the rear suspension on the bottom plate 762.

[0067] The lower end of the left vertical rope segment 741 is connected to the round hole 7624 of the left vertical plate segment 7621 through a fourth hanging ring 745. The lower end of the right vertical rope segment 742 is connected to the round hole 7624 of the right vertical plate segment 7623 through a fourth hanging ring 745. A retaining ring 766 is welded inside the round hole 7624. The retaining ring 766 can increase the contact area between the padlock and the round hole during hanging and reduce the local stress on the padlock and the bottom plate 762 during hanging. The lower end of the rear vertical rope segment 743 is connected to the triangular hanging ring 764 through a fourth hanging ring 745.

[0068] As Figure 4 and Figure 6As shown, the lightweight multi-functional hanging chair for on-line operation of helicopters further includes a safety belt 75. The left side of the safety belt 75 passes through the fourth hanging ring 745 between the left vertical rope section 741 and the left vertical plate section 7621, and the right side of the safety belt 75 passes through the fourth hanging ring 745 between the right vertical rope section 742 and the right vertical plate section 7623. A seat cushion 761 is provided on the lower horizontal plate section 7622. The seat cushion 761 is a sponge seat cushion, and the sponge seat cushion can be fixed to the lower horizontal plate section 7622 through Velcro.

[0069] The front end of the lower horizontal plate section 7622 is fixedly connected with a multi-functional hanging point 769. The multi-functional hanging point 769 contains a plurality of hanging through holes 7691. The multi-functional hanging point 769 is used for hanging the front protection rope, tool bag, tool dropping rope, etc. of the operator. The lightweight multi-functional hanging chair for on-line operation of helicopters can not only be folded, but also hang a variety of operation tools, etc., and has the characteristics of multi-functionality.

[0070] A blocking belt 751 is connected between the multi-functional hanging point 769 and the safety belt 75. The safety belt 75 and the blocking belt 751 can protect the waist and legs of the operator and prevent the personnel from falling accidentally. The stainless steel ergonomic seat, and the multi-functional hanging point provided at the front end of the seat improve the comfort, portability and safety of the hanging chair.

[0071] The lightweight multi-functional hanging chair for on-line operation of helicopters further includes a footrest 78. The footrest 78 is in a long strip structure and extends along the left-right direction. Footrest fixing plates 767 are provided on both the left and right sides at the front end of the lower horizontal plate section 7622. The footrest fixing plates 767 are used to pass through the footrest connecting ropes to hang the footrest. The footrest fixing plates 767 are connected and fixed through large-headed bolts 768. Both the left and right ends of the footrest 78 are connected to the footrest fixing plates 767 through adjusting ropes 77.

[0072] The lightweight multi-functional hanging chair for on-line operation of helicopters further includes a connecting rod 79 and a connecting rope 710. The connecting rod 79 is a metal rod. The single chair hanging plates 73 of the two single-seat chair assemblies are connected through the connecting rod 79, and the seats 76 of the two single-seat chair assemblies are connected through the connecting rope 710. It can prevent large-amplitude swinging or collision between the two single-person seats during high-altitude operation.

[0073] The lightweight multi-functional hanging chair for on-line operation of helicopters can include one or two of the single-seat chair assemblies. When operating alone, one single-seat chair assembly is used to hang under the helicopter for operation. When operating in pairs, the two single-seat chair assemblies and the main hanging plate 71 are connected and then hung under the helicopter for operation. Both the main hanging plate 71 and the single chair hanging plate 73 are made of high-strength and low-density aluminum-magnesium alloy material, which has the advantages of light weight and high strength.

[0074] The working process of the light multi-functional hanging chair for on-line operation of the helicopter is introduced below.

[0075] When single-person operation is required, the single-chair hanging plate 73 of the single set of seat components is unfolded, and one set of the single set of seat components is hung under the helicopter for operation. When double-person operation is required, the single-chair hanging plates 73 of two sets of single set of seat components are unfolded, and the two sets of single set of seat components are connected to the main hanging plate 71 and then hung under the helicopter for operation.

[0076] In this type of operation mode, the helicopter hovers above the operation position, and the maintenance operator 12 and the hanging chair 7 are hoisted and hover on the side of the line to complete the maintenance operation.

[0077] Operation mode: After the helicopter arrives at the lifting point, first use the winch 1 to drop 1 auxiliary operator, the hanging chair, maintenance tools, and maintenance materials to the ground, and then fly away. This auxiliary operator prepares the hanging chair 7 and related tools and materials at the lifting point. The pilot selects the best entry route and conducts simulated hovering operations according to factors such as the hovering reference point, wind direction and speed, and safe evacuation route. The helicopter returns to the lifting point and drops 1-2 main operators who perform maintenance work. The auxiliary operator assists the main operator to wear the hanging chair 7, fix the maintenance tools and maintenance materials securely on the hanging chair 7, and conduct inspections.

[0078] After the operator is ready, notify the helicopter to return to the lifting point. After the helicopter lowers the winch cable 2, the auxiliary operator assists the main operator to connect the hanging chair 7 and the main insulating rope 5 to the winch hook 3 at the end of the winch cable. The helicopter hoists the hanging chair 7 0.5 m above the ground and pauses briefly. The operator checks the connection and hanging state of the hanging chair 7 again. After the hovering inspection is correct, the helicopter flies to the wire operation point.

[0079] The pilot controls the helicopter above the wire operation point so that the hanging chair 7 is higher than the ground wire, and slowly controls the helicopter to descend to make the hanging chair 7 approach the wire operation point. When the distance between the operator 12 and the hanging chair 7 as a whole and the wire is close to the potential transfer distance specified in the safety regulations, the operator 12 conducts potential transfer. After the operator grabs the wire, the helicopter should preferably maintain the floating range of the hanging chair 7. When the operator starts the live wire operation, the winch operator should always observe the progress of the operator's work, inform the pilot in time, and give oral commands or operate the winch.

[0080] After completing the established operation tasks, after the winch operator observes that the operator uses the potential transfer rod to exit the equipotential and "nods" to the winch operator, the winch operator shall direct the helicopter to move in the direction of the evacuation route, synchronously retract the steel cable, and fly towards the lifting point. After the helicopter suspends the hanging chair at the lifting point and hovers at a certain height, the winch operator shall control the steel cable to drop the hanging chair and the main operator to the ground. The auxiliary operator on the ground shall protect the safe landing of the hanging chair and be responsible for disconnecting the insulating rope from the winch hook.

[0081] After the main operator and the auxiliary operator cooperate to tidy up the hanging chair 7 and the attached tools, they shall notify the helicopter to return above the lifting point. After all the ground operators, the hanging chair 7 and the attached tools are recovered into the cabin, the helicopter flies away from the lifting point and returns to the takeoff and landing point.

[0082] Applicable subjects: Applicable to the situation where the conductor is severely damaged and not suitable for being put on the line.

[0083] Precautions: During the operation of the double hanging chair (i.e., containing two single set seat components), two maintenance operators shall cooperate with each other.

[0084] In addition, this embodiment also explores a technical route that combines the rope winding and unwinding device with the winch method. Connect the rope winding and unwinding device to the winch hook. The rope winding and unwinding device can orderly store an insulating rope dozens of meters long, can adjust the distance between the winch and the operator, and both the winch operator and the operator can control the length of the insulating rope. In this way, the operator can directly achieve a tight connection with the winch 1 and the main insulating rope 5 in the cabin, then move outside the cabin with the assistance of the winch operator, and then the main insulating rope 5 is released by the rope winding and unwinding device and slowly descends to the operation position on the conductor. Therefore, by combining the rope winding and unwinding device with the winch method, the steps of first lowering the operator at the lifting point, tidying up the tools, wearing the hanging chair and then lifting can be omitted, and thus the selection of the lifting point does not need to be considered, greatly simplifying the operation process and improving the operation efficiency. In addition, it is also not necessary for the auxiliary operator to assist the operator in tidying up the tools and wearing the hanging chair. In the cabin, only the winch operator needs to assist in connecting the rope hook, reducing the labor cost.

[0085] Therefore, according to whether the main insulating rope 5 adopts the method of the rope winding and unwinding device, the above two hanging methods can be respectively improved and divided into using the traditional insulating rope and the retractable insulating rope.

[0086] Embodiment 3 (Helicopter - Winch - Rope Winding and Unwinding Device - Maintenance Personnel)

[0087] As Figure 10As shown, in this embodiment, the winch wire live working hanging system based on the helicopter platform includes a winch 1, a winch steel cable 2, a winch hook 3, a first safety lock 4, a main insulating rope 5 and a second safety lock 6 connected in sequence from top to bottom. The first safety lock 4 and the second safety lock 6 can both adopt existing D-type locks.

[0088] The main insulating rope 5 is connected to a rope retracting device 9, which can retract the main insulating rope 5 so that the main insulating rope 5 can move up and down. The rope retracting device 9 is connected to a backup insulating rope 10, and a counterweight support frame 11 is connected between the main insulating rope 5 and the backup insulating rope 10. The housing of the rope retracting device 9 can be directly or indirectly connected to the winch hook 3. The upper end of the backup insulating rope 10 is connected and fixed to the housing of the rope retracting device 9, and the lower end of the backup insulating rope 10 is connected and fixed to the operator 12.

[0089] Operation mode: The hanging connection mode of "helicopter-winch-rope retracting device-maintenance personnel" can adopt the in-cabin out-of-cabin operation mode, and the winch hook 3 is connected to the rope retracting device 9. The winch operator retracts the hook to the top, and the rope retracting device 9 releases the main insulating rope 5 about 0.5m. When the maintenance operator 12 hangs the safety belt with the second safety buckle 6, the maintenance operator exits the cabin. After that, the operator 12 controls the main insulating rope 5 to be released to a sufficiently safe distance, and the pilot and winch operator cooperate to release the maintenance operator to the vicinity of the operation position. After the maintenance operator is disconnected from the hanging connection system, the pilot controls the helicopter to rise in height. After exceeding the ground wire, the winch operator controls the main insulating rope 5 to be retracted. When the maintenance operator completes the operation, the helicopter returns to the top of the operation position and hovers. The winch operator controls the lowering of the main insulating rope 5 to ensure sufficient length. After the maintenance operator receives the sling, he first connects the safety belt to the main insulating rope 5, and then disconnects the connection between the second protection and the wire. Command the helicopter to rise in height and exit the operation position. After exiting the working position, the maintenance operator controls the rope retracting device 9 to retract the insulating rope and returns to the cabin, and the work is completed.

[0090] Applicable subjects: Applicable to most conductor maintenance operation subjects.

[0091] Note:

[0092] 1. The insulating rope using the rope retracting device 9 uses two insulating ropes in parallel, one is the main insulating rope 5, which is connected to the front buckle of the operator's safety belt and bears the total weight of the operator and the tools; the other is the backup insulating rope 10, which is in a relaxed state under normal circumstances and is connected to the buckle of the operator's back safety belt. A tightening device is installed at the outlet of the backup insulating rope to ensure that there is sufficient tension to make the rope retracted and released smoothly.

[0093] 2. The rope winding and unwinding device 9 can be controlled by a winch operator or maintenance personnel, but there should be a clear division of the operation interface to avoid simultaneous operation.

[0094] 3. The rope winding and unwinding device 9 can adopt existing technology products. The rope winding and unwinding device 9 has a rope length display interface, and maintenance personnel can clearly master the release length of the insulating rope.

[0095] 4. To prevent the entanglement of two insulating ropes and the rotation of personnel in the air, a counterweight support frame 11 is installed between the two insulating ropes. The support distance is 50 cm to 80 cm, and it is about 1 m away from the operating personnel.

[0096] Embodiment 4 (Helicopter - Winch - Rope Winding and Unwinding Device - Suspension Chair (Single Suspension Chair / Double Suspension Chair))

[0097] As Figure 11 shown, in this embodiment, the winch live wire operation hanging system based on a helicopter platform includes a winch 1, a winch steel cable 2, a winch hook 3, a first safety buckle 4, a main insulating rope 5, and a second safety buckle 6 connected in sequence from top to bottom. Both the first safety buckle 4 and the second safety buckle 6 can adopt existing D-type locks.

[0098] The winch live wire operation hanging system based on a helicopter platform further includes a suspension chair 7. The winch 1, the winch steel cable 2, the winch hook 3, the first safety buckle 4, the main insulating rope 5, the second safety buckle 6, and the suspension chair 7 are connected in sequence from top to bottom. A rope winding and unwinding device 9 is connected to the main insulating rope 5. The rope winding and unwinding device 9 can wind and unwind the main insulating rope 5, so that the main insulating rope 5 moves up and down. The rope winding and unwinding device 9 is connected with a backup insulating rope 10, and a counterweight support frame 11 is connected between the main insulating rope 5 and the backup insulating rope 10. The housing of the rope winding and unwinding device 9 can be directly or indirectly connected to the winch hook 3. The upper end of the backup insulating rope 10 is fixedly connected to the housing of the rope winding and unwinding device 9, and the lower end of the backup insulating rope 10 is fixedly connected to the suspension chair 7.

[0099] The suspension chair 7 can adopt the suspension chair 7 in Embodiment 2. The suspension chair 7 includes a single set of seat components. The single set of seat components includes a single chair hanging plate 73, a connecting rope 74, and a seat 76 connected in sequence from top to bottom. The single chair hanging plate 73 is connected to the second safety buckle 6. The suspension chair 7 further includes a main hanging plate 71. The main hanging plate 71 and the single set of seat components are arranged up and down, and the two single set of seat components are symmetrically arranged left and right. The single chair hanging plate 73 is connected to the second safety buckle 6 through a third safety buckle 72 and the main hanging plate 71 in sequence.

[0100] It can be understood that the hanging chair 7 can be in the form of a single set of seat components or two single set of seat components as required. When the hanging chair 7 adopts a single set of seat components, the winch 1, the winch cable 2, the winch hook 3, the first safety buckle 4, the main insulating rope 5, the second safety buckle 6 and the single set of seat components are connected in sequence from top to bottom, and the single-chair hanging plate 73 is connected to the second safety buckle 6. When the hanging chair 7 adopts two single set of seat components, the winch 1, the winch cable 2, the winch hook 3, the first safety buckle 4, the main insulating rope 5, the second safety buckle 6, the main hanging plate 71, the third safety buckle 72 and the two single set of seat components are connected in sequence from top to bottom, and the single-chair hanging plate 73 is connected to the third safety buckle 72.

[0101] Operation mode: The hanging connection mode of "helicopter - winch - rope retracting and releasing device - hanging chair (single hanging chair / double hanging chair)" can adopt the operation mode of getting out of the cabin inside the cabin. The winch hook 3 is connected to the rope retracting and releasing device 9, and the lower end of the main insulating rope 5 is connected to the hanging chair 7. The winch operator retracts the hook to the top, and the rope retracting and releasing device 9 releases the main insulating rope 5 about 0.5 m. First, firmly hook the hanging chair 7 to the buckle of the main insulating rope 5, and place the hanging chair 7 outside the cabin close to the fuselage. After that, the maintenance operator first establishes a safe connection with the hanging chair 7, and then slowly moves onto the hanging chair 7 with the assistance of the winch operator and fixes firmly to prevent accidents during the process of transferring positions. When the operator's sitting posture is fixed, the main insulating rope 5 can be controlled to be released to a sufficient safe distance, and the pilot and the winch operator cooperate to drop the maintenance operator and the hanging chair 7 as a whole to the side of the operation position. The operator completes the potential transfer according to the operating procedures, and after establishing a good electrical connection with the operating line, the established operation tasks can be carried out. The winch operator should, after observing that the operator uses the potential transfer rod to exit the equipotential and nods to the winch operator, command the helicopter to lift the height, and at the same time use the rope retracting and releasing device 9 to lift the hanging chair 7 to the same height as the fuselage. The maintenance operator first establishes a firm connection with the helicopter, then slowly transfers to the cabin, and finally retracts the hanging chair into the cabin and folds it for storage. After the work is completed, the helicopter returns to the takeoff and landing point.

[0102] In this operation mode, the helicopter hovers above the operation position, and the maintenance operator and the hanging chair 7 hover as a whole on the side of the line to complete the maintenance operation. The hanging chair (single hanging chair / double hanging chair) can be folded and retracted, so it can be placed in the helicopter cabin and lifted into the air with the operator to reach above the operation position.

[0103] Applicable subjects: Applicable to the situation where the conductor is severely damaged and it is not suitable for the on-line operation mode.

[0104] Precautions:

[0105] 1. The insulating ropes of the rope retracting and releasing device 9 adopt two parallel insulating ropes. One is the main insulating rope 5, which is connected to the front buckle of the operator's safety belt and bears the total weight of the operator and tools. The other is the backup insulating rope 10, which is in a slack state under normal circumstances and is connected to the buckle on the back safety belt of the operator 12. A tightening device is installed at the outlet of the backup insulating rope 10 to ensure sufficient pulling force for smooth rope retraction and release.

[0106] 2. The rope retracting and releasing device 9 can be controlled by the winch operator or the maintenance operator, but there should be a clear division of the operation interface to avoid simultaneous operation.

[0107] 3. The rope retracting and releasing device 9 has a rope length display interface, and the maintenance operator can clearly know the released length of the insulating rope.

[0108] 4. To prevent the entanglement of the two insulating ropes and the rotation of the personnel in the air, a counterweight support frame 11 is installed between the two insulating ropes. The support distance is 50 cm to 80 cm, and it is about 1 m away from the hanging chair.

[0109] 5. When two hanging chairs are used for operation, two maintenance operators need to cooperate with each other.

[0110] As mentioned above, the above are only specific embodiments of the present invention and cannot limit the scope of the invention. Therefore, the replacement of equivalent components or equivalent changes and modifications made according to the protection scope of the present invention should still fall within the scope covered by the present invention. In addition, the technical features in the present invention, the technical features and technical solutions, the technical solutions and technical solutions, and the embodiments and embodiments can be freely combined and used.

Claims

1. A winch wire live working hanging system based on a helicopter platform, characterized in that: The winch wire live working hanging system based on a helicopter platform comprises a winch (1), a winch steel cable (2), a winch hook (3), a first safety lock buckle (4), a main insulating rope (5) and a second safety lock buckle (6) which are connected in sequence from top to bottom.

2. The winch wire live working hanging system based on helicopter platform according to claim 1 is characterized in that: The winch wire live working hanging system based on the helicopter platform also includes a hanging chair (7), which includes a single set of seat components, and the single set of seat components contains a single chair hanging plate (73), a connecting rope (74) and a seat (76) connected in sequence from top to bottom, and the single chair hanging plate (73) is connected to the second safety lock buckle (6).

3. The winch wire live working hanging system based on helicopter platform according to claim 2 is characterized in that: The hanging chair (7) further comprises a main hanging plate (71), the main hanging plate (71) and the single set of seat components are arranged up and down, the two single set of seat components are arranged symmetrically on the left and right, and the single chair hanging plate (73) is connected to the second safety lock buckle (6) in sequence through the third safety lock buckle (72) and the main hanging plate (71).

4. The winch wire live working hanging system based on helicopter platform according to claim 3 is characterized in that: A first upper hanging hole (711) is arranged in the middle of the main hanging plate (71), and first lower hanging holes (712) are arranged on both the left and right sides of the main hanging plate (71), and the first lower hanging hole (712) is connected to the third safety lock buckle (72) through a first hanging ring (721); the projection of the single chair hanging plate (73) on the horizontal plane is a T-shaped structure, and the single chair hanging plate (73) comprises a transverse front vertical plate (731) and a longitudinal rear vertical plate (738), and the transverse front vertical plate A second upper hanging hole (7311) is provided in the middle of the front vertical plate (731), a second left hanging hole (7312) is provided on the left side of the horizontal front vertical plate (731), a second right hanging hole (7313) is provided on the right side of the horizontal front vertical plate (731), and a second rear hanging hole (7381) is provided at the rear of the longitudinal rear vertical plate (738). The second upper hanging hole (7311) is connected to the third safety lock buckle (72) through a second hanging ring (722).

5. The winch wire live working hanging system based on helicopter platform according to claim 4 is characterized in that: An upper rotating seat (733) and a lower rotating seat (734) are fixedly connected to the rear side of the transverse front vertical plate (731), and the upper rotating seat (733) and the lower rotating seat (734) are arranged at an interval from top to bottom. The front part of the longitudinal rear vertical plate (738) is connected to the upper rotating seat (733) and the lower rotating seat (734) through a rotating shaft (737), and the rotating shaft (737) is in an upright state. When the single chair hanging board (73) is in an unfolded state, the transverse front vertical plate (731) is perpendicular to the longitudinal rear vertical plate (738), and when the single chair hanging board (73) is in a folded state, the transverse front vertical plate (731) is parallel to the longitudinal rear vertical plate (738).

6. The winch wire live working hanging system based on helicopter platform according to claim 5 is characterized in that: A circular through hole (7331) is provided in the upper rotating seat (733), a square through hole (7341) is provided in the lower rotating seat (734), the outer peripheral surface of the rotating shaft (737) comprises a circular segment (7371) and a square segment (7372) connected up and down, the circular segment (7371) is matchedly arranged in the circular through hole (7331), the square segment (7372) is matchedly arranged in the square through hole (7341), the longitudinal rear vertical plate (738) and the rotating shaft (737) are connected and fixed, the outer sleeve of the rotating shaft (737) is provided with a spring (736), and the two ends of the spring (736) are respectively in contact with the upper rotating seat (733) and the longitudinal rear vertical plate (738); After the rotating shaft (737) and the longitudinal rear upright plate (738) move upward, the square segment (7372) can be separated from the square through hole (7341), the longitudinal rear upright plate (738) can rotate around the rotating shaft (737), and the longitudinal rear upright plate (738) can be perpendicular or parallel to the transverse front upright plate (731); the spring (736) can return the square segment (7372) to the square through hole (7341).

7. The winch wire live working hanging system based on helicopter platform according to claim 4 is characterized in that: The connecting rope (74) comprises a left upright rope segment (741), a right upright rope segment (742) and a rear upright rope segment (743); the left upright rope segment (741), the right upright rope segment (742) and the rear upright rope segment (743) are all in an upright state; the upper end of the left upright rope segment (741) is connected to the second left hanging hole (7312) via a third hanging ring (744); the upper end of the right upright rope segment (742) is connected to the second right hanging hole (7313) via a third hanging ring (744); and the upper end of the rear upright rope segment (743) is connected to the second rear hanging hole (7381) via a third hanging ring (744).

8. The winch wire live working hanging system based on helicopter platform according to claim 7 is characterized in that: The seat (76) comprises a bottom plate (762) which is in a U-shaped structure. The bottom plate (762) comprises a left vertical plate section (7621), a lower horizontal plate section (7622) and a right vertical plate section (7623) which are sequentially connected from left to right. The rear part of the lower surface of the lower horizontal plate section (7622) is sequentially fixedly connected with a support plate (765) and a triangular hanging ring (764). The lower end of the left vertical rope section (741) is connected to the left vertical plate section (7621) via a fourth hanging ring (745). The lower end of the right vertical rope section (742) is connected to the right vertical plate section (7623) via a fourth hanging ring (745). The lower end of the rear vertical rope section (743) is connected to the triangular hanging ring (764) via a fourth hanging ring (745). The single-set seat assembly also includes a safety belt (75), the left side of the safety belt (75) passes through a fourth hanging ring (745) between a left upright rope section (741) and a left upright board section (7621), and the right side of the safety belt (75) passes through a fourth hanging ring (745) between a right upright rope section (742) and a right upright board section (7623), a seat cushion (761) is provided on the lower horizontal board section (7622), a multifunctional hanging point (769) is fixedly connected to the front end of the lower horizontal board section (7622), the multifunctional hanging point (769) includes a plurality of hanging through holes (7691), and a blocking belt (751) is connected between the multifunctional hanging point (769) and the safety belt (75); The winch wire live working hanging system based on the helicopter platform also includes a footrest (78), and footrest fixing plates (67) are fixed on both the left and right sides of the front end of the lower cross plate section (622), and the left and right ends of the footrest (78) are connected to the footrest fixing plates (67) through adjustment ropes (77).

9. The winch wire live working hanging system based on helicopter platform according to claim 3 is characterized in that: The hanging chair (7) also includes a connecting rod (79) and a connecting rope (710); the connecting rod (79) is a metal rod; the single chair hanging plates (73) of the two single seat assemblies are connected via the connecting rod (79); and the seats (76) of the two single seat assemblies are connected via the connecting rope (710).

10. The winch wire live working hanging system based on helicopter platform according to claim 1, characterized in that: The main insulating rope (5) is connected to a rope retracting device (9), which can retract the main insulating rope (5), the rope retracting device (9) is connected to a backup insulating rope (10), and a counterweight support frame (11) is connected between the main insulating rope (5) and the backup insulating rope (10).

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