CN212085663U - Adjustable fixture suite for replacing tension insulator by helicopter suspension method - Google Patents

Abstract

The utility model provides an adjustable fixture external member that is used for helicopter to suspend method in midair to change strain insulator, include: the front card and the rear card are arranged at intervals; the two ends of the adjusting component are respectively connected with the front card and the rear card, and the adjusting component can adjust the spacing distance between the front card and the rear card; a support beam parallel to the adjustment assembly; the lower end of the first support is connected with the front card, the upper end of the first support is connected with one end of the supporting cross beam, the lower end of the second support is connected with the rear card, and the upper end of the second support is connected with the other end of the supporting cross beam in a sliding mode. The beneficial effects of the utility model are that, the embodiment of the utility model provides a connect preceding card and back card as an organic wholely through adjusting part to the setting up the supporting beam who is used for providing auxiliary stay, can all hoist required part to setting for the position through a handling, reduce the helicopter and come and go the handling number of times, effectively improve maintenance operating efficiency and promote the operation security.

Description

Adjustable fixture suite for replacing tension insulator by helicopter suspension method

Technical Field

The utility model relates to an adjustable fixture external member that is used for helicopter to suspend in midair the method and change strain insulator.

Background

Along with the development of economy, the power consumption is increased rapidly, in order to meet the development of economy, the power consumption demand is higher and higher, and more extra-high voltage transmission lines and extra-high voltage transmission lines are put into operation. Once the extra-high voltage line is shut down due to a fault, the economic loss caused by the extra-high voltage line cannot be estimated.

With the requirement for continuous and stable electricity utilization, the extra-high voltage live working is a necessary trend. However, the ultra-high voltage is started late, and the corresponding operation and maintenance mode and tools are not complete enough.

In the maintenance work, the replacement of the single insulator of the high voltage class is very challenging for the maintenance worker. The most important tool for replacing the single insulator is a fixture. However, the fixture is heavy, so that an operator is required to climb the tower to an operation point in the traditional maintenance process, and then the fixture is transferred to the operation point from the ground through the guide rope, so that the operation process is complicated, and the operation strength is high.

Because the helicopter is not limited by terrain, safe in operation, high in efficiency and the like, the helicopter is increasingly used for infrastructure construction and operation and maintenance of a power grid. However, when the tension insulator is replaced, the helicopter can only be operated in a traditional mode at present, and due to the fact that no proper operation tool exists, only the overhaul tool and the insulator material can be respectively hung to an operation point, not only are the hanging times multiple, but also the helicopter is required to hover to be matched with an operator on the tension insulator string to install a clamp and lift the insulator, the hovering time is long, and the safety risk is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides an adjustable fixture external member that is used for helicopter to suspend method in midair to change strain insulator to reach the purpose that improves maintenance work efficiency.

The utility model provides a technical scheme that its technical problem adopted is: an adjustable fixture external member for replacing a tension insulator by a helicopter suspension method comprises: the front card and the rear card are arranged at intervals; the two ends of the adjusting component are respectively connected with the front card and the rear card, and the adjusting component can adjust the spacing distance between the front card and the rear card; a support beam parallel to the adjustment assembly; the lower end of the first support is connected with the front card, the upper end of the first support is connected with one end of the supporting cross beam, the lower end of the second support is connected with the rear card, and the upper end of the second support is connected with the other end of the supporting cross beam in a sliding mode.

Further, the adjustment assembly includes: one end of the telescopic rod is connected with the front card, the other end of the telescopic rod is connected with the rear card, the telescopic rod comprises a nut sleeve and a lead screw, the lead screw is sleeved in the nut sleeve, the lead screw can stretch along the axial direction of the nut sleeve, and a ratchet wheel is arranged on the periphery of the nut sleeve; one end of the ratchet rocker is of a circular structure and is sleeved outside the ratchet wheel, a pawl component matched with the ratchet wheel is arranged on the inner periphery of the circular structure, and the ratchet rocker can drive the nut sleeve to rotate.

Furthermore, the number of the adjusting components is two, the two adjusting components are arranged in parallel at intervals, one ends of the two adjusting components are connected to two sides of the front card respectively, and the other ends of the two adjusting components are connected to two sides of the rear card respectively.

Furthermore, the first support and the second support are connected with the front card and the rear card respectively through the adjustable pressure plate.

Further, the adjustable platen includes: a main body part provided with a sliding groove; the fixed pressing plate part is perpendicular to the main body part, one end of the fixed pressing plate part is fixedly connected with one end of the main body part, and a connecting hole is formed in the middle of the fixed pressing plate part; the movable pressing plate part is perpendicular to the main body part, can slide relative to the main body part along the extending direction of the sliding groove, is arranged in parallel with the fixed pressing plate part at intervals and forms a pressing space for accommodating an object to be connected, is positioned on one side of the main body part, and is provided with a matching hole matched with the connecting hole in the middle; the connecting portion is parallel to the fixed pressing plate portion and located on the other side of the main body portion, one end of the connecting portion is fixedly connected with the main body portion, and a fixing hole is formed in the middle of the connecting portion.

Furthermore, at least two groups of pulleys capable of sliding relative to the supporting cross beam are arranged on the supporting cross beam at intervals.

Furthermore, a plurality of anti-skidding hoops are further arranged on the supporting cross beam, and the two sides of each group of pulleys are provided with the anti-skidding hoops used for fixing the pulleys at set positions on the supporting cross beam.

Further, preceding card is including last preceding card and lower preceding card, goes up preceding card and is the semicircle form with lower preceding card, and the one end of going up preceding card is articulated with the one end of lower preceding card, and the other end of going up preceding card can be connected with dismantling the other end of lower preceding card, and goes up preceding card and encloses into the first annular space that is used for holding the operation cable with lower preceding card jointly, and the inner periphery of first annular space is provided with the briquetting of a plurality of intervals equipartitions.

Further, the back card includes back card and lower back card, goes up back card and is the semicircle form with lower back card, goes up the one end of back card and articulates with the one end of lower back card, goes up the other end of back card and can connect with the other end of lower back card detachably, and goes up back card and encloses into the second annular space that is used for holding the operation cable with lower back card jointly, and the line direction internal diameter of second annular space along preceding card to back card reduces gradually.

Further, the upper end of the second bracket is connected with the other end of the supporting beam through a linear bearing.

The beneficial effects of the utility model are that, the embodiment of the utility model provides a connect preceding card and back card as an organic wholely through adjusting part to the setting up the supporting beam who is used for providing auxiliary stay, can all hoist required part to setting for the position through a handling, reduce the helicopter and come and go the handling number of times, effectively improve maintenance operating efficiency and promote the operation security.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a front card;

FIG. 3 is a schematic view of the structure of the rear card;

FIG. 4 is a schematic view of the structure of the adjustable platen;

FIG. 5 is a schematic structural view of the anti-slip anchor ear;

fig. 6 is a schematic view of a connection structure between an embodiment of the present invention and an insulator during hoisting;

fig. 7 is a schematic view of an assembly structure of the embodiment of the present invention when the device is mounted to a working line.

Reference numbers in the figures: 1. a front card; 2. the pressing plate can be adjusted; 3. a connecting plate; 4. the lower end is connected with a sleeve; 5. a support bar; 6. the upper end is connected with a sleeve; 7. hoisting the hanging plate; 8. a support beam; 9. an anti-slip hoop; 10. fixing the sleeve; 11. a rear card; 12. a ratchet rocker; 13. a telescopic rod; 14. a pulley; 21. a main body portion; 22. a fixed pressing plate portion; 23. a movable pressing plate portion; 24. a connecting portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 7, the embodiment of the utility model provides an adjustable fixture external member for helicopter suspension method changes strain insulator, including preceding card 1 and the back card 11, adjusting part, supporting beam 8, first support and the second support that the interval set up. The both ends of adjusting part are connected front card 1 and back card 11 respectively, and adjusting part can adjust the interval distance of front card 1 and back card 11. The supporting beam 8 is parallel to the adjustment assembly. The lower extreme and the preceding card 1 of first support are connected, and the upper end and the one end of supporting beam 8 of first support are connected, and the lower extreme and the back card 11 of second support are connected, the upper end and the other end sliding connection of supporting beam 8 of second support.

The embodiment of the utility model provides a connect preceding card 1 and back card 11 as an organic wholely through adjusting part to the setting is used for providing auxiliary stay's supporting beam 8, can all hoist and mount required part to setting for the position through a handling, reduces the helicopter and comes and goes the handling number of times, effectively improves and overhauls the operating efficiency and promotes the operation security.

As shown in fig. 1, the adjusting assembly comprises an expansion link 13 and a ratchet rocker 12, one end of the expansion link 13 is connected with the front clamp 1, the other end of the expansion link 13 is connected with the rear clamp 11, the expansion link 13 comprises a nut sleeve and a lead screw, the lead screw is sleeved in the nut sleeve and can extend and retract along the axial direction of the nut sleeve, and a ratchet is arranged on the periphery of the nut sleeve; one end of the ratchet rocker 12 is of a circular structure and is sleeved outside the ratchet wheel, a pawl component matched with the ratchet wheel is arranged on the inner periphery of the circular structure, and the ratchet rocker can drive the nut sleeve to rotate. In this embodiment, the telescopic rod 13 is a three-section screw structure. The three-section lead screw (same as the prior art, and the structure thereof is not described here) should select the fixture corresponding to the mechanical strength grade according to different operation types. The maximum distance of the transmission screw rod is 1150mm, the minimum distance is 650mm, the stroke is 500mm, and the transmission screw rod is made of titanium alloy materials.

When the nut sleeve rotating device works, a worker presses down the other end of the ratchet rocker 12 to enable the annular structure at one end of the ratchet rocker 12 to rotate, and the pawl is arranged on the inner side of the annular structure, so that the ratchet can be driven to rotate in the direction that the worker presses down the ratchet rocker 12, and the nut sleeve coaxially rotates. In the opposite direction, the pawl and the ratchet wheel do not rotate in a matching way, so that the nut sleeve does not rotate, and preferably, the pawl can be connected with the inner periphery of the circular ring-shaped structure in a hinged connection way.

The distance between the front card 1 and the rear card 11 can be adjusted through the stretching of the adjusting component, so that the front card 1 and the rear card 11 can be adapted to working cables at different insulator intervals, and the adaptation performance of the whole device is improved.

The adjusting components are two, the two adjusting components are arranged in parallel at intervals, one ends of the two adjusting components are connected to two sides of the front card 1 respectively, and the other ends of the two adjusting components are connected to two sides of the rear card 11 respectively. The provision of the two regulating members enables stable support of the front card 1 and the rear card 11, and does not interfere with a high-voltage line when installed to a set position.

Preferably, the first bracket and the second bracket are both connected with the front card 1 and the rear card 11 respectively through the adjustable pressing plate 2. As shown in fig. 4, the adjustable platen 2 includes a main body portion 21, a fixed platen portion 22, a movable platen portion 23, and a connecting portion 24. The main body 21 is provided with a sliding groove; the fixed pressing plate part 22 is arranged perpendicular to the main body part 21, one end of the fixed pressing plate part 22 is fixedly connected with one end of the main body part 21, and a connecting hole is formed in the middle of the fixed pressing plate part 22; the movable pressing plate portion 23 is arranged perpendicular to the main body portion 21, the movable pressing plate portion 23 can slide relative to the main body portion 21 along the extending direction of the sliding groove, the movable pressing plate portion 23 and the fixed pressing plate portion 22 are arranged in parallel at intervals and form a pressing space for accommodating an object to be connected, the movable pressing plate portion 23 and the fixed pressing plate portion 22 are both located on one side of the main body portion 21, and a matching hole matched with the connecting hole is formed in the middle of the movable pressing plate portion 23; the connecting portion 24 is parallel to the fixed pressing plate portion 22, the connecting portion 24 is located on the other side of the main body portion 21, one end of the connecting portion 24 is fixedly connected with the main body portion 21, and a fixing hole for connecting with the lower end of the first bracket or the second bracket is formed in the middle of the connecting portion 24.

The embodiment of the utility model provides an in, above-mentioned movable pressure plate portion 23 is provided with the slip arch with the relative one side of slip recess, and this slip arch can the joint in the slip recess, for example sets up the slip recess into the dovetail structure, and the trapezoidal structure of slip arch for the adaptation with it.

When the cable clamping device works, the front clamp 1 and the rear clamp 11 need to be replaced when the outer diameter of a working cable changes according to different working environment requirements, the size of a pressing space can be adjusted according to the thickness of the front clamp 1 or the rear clamp 11, and the adjustable pressing plate 2 and the corresponding clamp are fixedly connected through bolts, so that the cable clamping device can be adapted to clamps with different thicknesses or sizes.

In this embodiment, the connecting portion 24 of the adjustable pressing plate 2 may be connected to the lower end of the first bracket or the second bracket, and when the adjustable pressing plate is connected to the lower end of the first bracket or the second bracket, the lower end of the first bracket or the second bracket is hinged to the connecting plate 3 having a square structure, and the connecting plate 3 is provided with a bolt hole. When the connecting plate 3 is installed, the connecting plate is fixedly connected with the connecting part 24 through bolts. When the thickness of preceding card or back card changes, the angle of first support or second support adjustable and connecting plate 3 to the fixture requirement of different thickness is satisfied.

The first bracket and the second bracket have the same structure, and the first bracket will be described as an example. The first support is composed of two support rods 5, the upper ends of the two support rods 5 are mutually abutted, and the lower ends of the two support rods 5 are arranged at intervals so that the first support forms a triangular support structure. The lower ends of the two support rods 5 are respectively connected with two sides of the front clamp 1, and the upper ends of the two support rods 5 are fixedly connected with one end of the support beam 8. The support rod 5 is made of insulating resin. An upper end connecting sleeve 6 is arranged at the upper end of the supporting rod 5, a lower end connecting sleeve 4 is arranged at the lower end of the supporting rod 5, and a guide rope hanging ring is arranged on the lower end connecting sleeve 4 and used for connecting a guide rope or fixing the position of an insulator sheet. Meanwhile, the guide rope hanging ring is arranged for connecting the guide rope, so that the accuracy of the fixture in position can be effectively improved, the operation difficulty of a pilot is reduced, and the operation risk is reduced.

The upper end of the supporting rod 5 of the first support is fixedly connected with the supporting beam 8 (close to an operating point), the inner side of the joint of the upper end of the supporting rod 5 of the second support and the supporting beam 8 is embedded with a linear bearing (far operating point), the upper end of the second support can freely slide at one end of the far operating point in the retracting and releasing process of the telescopic rod 13, and the abrasion of the supporting beam 8 is reduced to the maximum extent.

In this embodiment, the upper end of the support rod 5 of the first bracket is fixedly connected with one end of the support beam 8 through the lifting hanging plate 7, and the upper end of the support rod 5 of the second bracket is connected with the other end of the support beam 8 through the lifting hanging plate 7 (the linear bearing is arranged at the lifting hanging plate). The supporting beam 8 can be used as a fulcrum in the process of replacing the insulator sheet, the operation difficulty and strength of hot-line workers are reduced, and the supporting beam 8 is preferably made of an insulating resin material. It should be noted that the inner sides of the two hoisting hanging plates 7 are both fixed with a sleeve 10, and the fixed sleeve 10 is provided with a hanging ring for penetrating a hanging rope and fixing an insulator.

In this embodiment, at least two sets of pulleys 14 capable of sliding relative to the supporting beam 8 are disposed at intervals on the supporting beam 8. And the outer side of each group of pulleys 14 is provided with an anti-slip hoop 9 for fixing the pulleys 14 at a set position on the supporting beam 8. Set up anti-skidding staple bolt 9, can carry on spacingly to the position of pulley 14 on supporting beam 8 through anti-skidding staple bolt 9 to ensure that the during operation can not take place the displacement, avoid taking place danger. In this embodiment, the left and right sides (along the axial direction of the supporting beam 8) of each group of pulleys 14 are provided with an anti-slip hoop 9, the two anti-slip hoops 9 are arranged at intervals, and the pulleys 14 are arranged between the two anti-slip hoops 9 and are abutted to the two anti-slip hoops 9.

Linear bearings are nested in the pulleys 14, so that the pulleys 14 can slide on the supporting cross beam 8 smoothly, and the supporting cross beam 8 is prevented from being scratched. The inner side of the anti-slip anchor ear 9 is padded with a rubber ring which can limit the left and right slip of the pulley 14. The anti-skid anchor ear 9 is clamped when the pulley 14 is not required to move. Preceding card 1 is including last preceding card and lower preceding card, goes up preceding card and is the semicircular in shape with lower preceding card, and the one end of going up preceding card is articulated with the one end of lower preceding card, and the other end of going up preceding card can be connected with dismantling the other end of lower preceding card, and goes up preceding card and encloses into the first annular space that is used for holding the operation cable with lower preceding card jointly, and the inner periphery of first annular space is provided with the briquetting of a plurality of intervals equipartitions.

The front clamp 1 is connected with a steel cap of a high-voltage line by using a pressing block, and different pressing blocks can be selected according to different types of the steel caps. The adoption of the pressing block clamping mode reduces the matching difficulty and increases the application range of the fixture.

The rear clamp 11 comprises an upper rear clamp and a lower rear clamp, the upper rear clamp and the lower rear clamp are semi-annular, one end of the upper rear clamp is hinged to one end of the lower rear clamp, the other end of the upper rear clamp is detachably connected with the other end of the lower rear clamp, the upper rear clamp and the lower rear clamp jointly enclose a second annular space for containing an operation cable, and the inner diameter of the second annular space in the direction of a connecting line from the front clamp 1 to the rear clamp 11 is gradually reduced.

The rear card 11 optionally uses an annular liner. The lining can be changed along with the change of the insulator model according to different use scenes. The matching difficulty is reduced, and the application range of the fixture is enlarged.

The front card 1 and the rear card 11 should be provided with inner liners of appropriate sizes and have jigs of appropriate mechanical strength grades selected for different jobs. The part of the fixture, which is easy to collide with the insulator, is coated by rubber, and the fixture is made of titanium alloy.

Referring to fig. 5 and 6, the specific application method of the present embodiment is as follows:

before the operation is carried out, relevant parameters including the number of insulator pieces, the nominal structure height of the insulators, the defect positions of the insulators and the like are known to an operation company, and the fact that the device can be used for carrying out live-line operation is confirmed.

During operation, at a lifting point, the length of the telescopic rod 13 is adjusted to the length capable of short-connecting four insulators, and the telescopic rod 13 is connected with the supporting rod 5 and the supporting beam 8. Meanwhile, the connecting rope and the guiding rope confirm that all parts of the device are reliably connected and the rope is reliably connected.

When the helicopter sling method is used for replacing an extra-high voltage insulator, a guardian is firstly hung to a proper position, then two live working personnel are respectively hung to a wire of an operation line close to an operation point by a helicopter, the live working personnel are unhooked after tying a protection rope, and the helicopter flies away. Live working personnel climb to the working point of the working insulator string to fix the safety rope on the adjacent string of the working string. Live working personnel sit on the working string and are ready for connection.

The connection of each part is confirmed to be firm and reliable before the fixture suite is lifted, and the lead screw stroke of the telescopic rod 13 is in a proper position. Two ropes with the length of one meter are used for connecting the hoisting hanging ring (the lengths of the two ropes are ensured to be consistent, and when the lengths of the two ropes are inconsistent, the two ropes are leveled through a spring fastener), and the clamp external member is connected with the sling through a D-shaped lock. The guide rope is connected with the guide rope hanging ring on the support rod 5.

The single insulator is hung on a hanging ring arranged on a fixed sleeve 10, and the single insulator is provided with a QH-shaped ball head hanging ring and a WS-shaped socket head hanging plate and is used for being connected with a fixed hanging ring on a supporting cross beam 8 and a hanging ring on a lower end connecting sleeve 4 so as to limit the left and right swinging of the insulator. Before hoisting, the anti-slip anchor ear 9 is used for fixing the position of the pulley 14, so that the pulley 14 is prevented from being dangerous due to sliding in the hoisting process.

Two workers are respectively arranged at two sides of a fault point, the guide rope guides the clamp to be in place, and the clamp is disconnected after being fixed. The middle of the fixture is short-circuited with 4 insulators, one end of the insulator needing to be replaced is short-circuited with one insulator, and the other end of the insulator is short-circuited with two insulators. One side of the short circuit is a main operator, and the two sides of the short circuit are auxiliary operators.

Live working personnel strain the fixture external member, fix, change the insulator with the help of supporting beam 8 and carry out the operation. The hoisting of the faulty insulator sheet is assisted by the pulley 14, pushing the pulley 14 away from the operating point. Replacement of the insulator sheet is completed by placing a new insulator in position using another pulley 14. In the operation process, the anti-slip anchor ear 9 is used for fixing the position of the pulley 14 in time when the pulley 14 does not need to slip. And fixing the old insulator after the replacement operation is finished. The pulley 14 is fixed by the anti-slip hoop 9 to prevent slip.

Calling the helicopter to return to the operation position after the operation is finished, reducing the height, leaving at least 1m of margin to connect the fixture and the sling, disconnecting the fixture from the insulator string, and commanding the helicopter to fly away by gestures after cross confirmation. After the fixture is hoisted to the hoisting point, the helicopter returns to return the on-line operator, and the insulator piece replacement operation is completed.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the embodiment of the utility model provides a connect preceding card 1 and back card 11 as an organic wholely through adjusting part to the setting is used for providing auxiliary stay's supporting beam 8, can all hoist and mount required part to setting for the position through a handling, reduces the helicopter and comes and goes the handling number of times, effectively improves and overhauls the operating efficiency and promotes the operation security.

The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and the technical scheme, all can the independent assortment use between technical scheme and the technical scheme.

Claims (10)

1. The utility model provides an adjustable fixture external member that is used for helicopter to hang method change strain insulator which characterized in that includes:

the front card (1) and the rear card (11) are arranged at intervals;

the two ends of the adjusting component are respectively connected with the front card (1) and the rear card (11), and the adjusting component can adjust the spacing distance between the front card (1) and the rear card (11);

a supporting cross-beam (8) parallel to the adjustment assembly;

the lower end of the first support is connected with the front clamp (1), the upper end of the first support is connected with one end of the supporting cross beam (8), the lower end of the second support is connected with the rear clamp (11), and the upper end of the second support is connected with the other end of the supporting cross beam (8) in a sliding mode.

2. The adjustable clamp kit for helicopter suspended replacement of strain insulators of claim 1 wherein said adjustment assembly comprises:

one end of the telescopic rod (13) is connected with the front clamp (1), the other end of the telescopic rod (13) is connected with the rear clamp (11), the telescopic rod (13) comprises a nut sleeve and a lead screw, the lead screw is sleeved in the nut sleeve, the lead screw can stretch along the axial direction of the nut sleeve, and a ratchet wheel is arranged on the periphery of the nut sleeve;

one end of the ratchet rocker (12) is of a circular structure and sleeved outside the ratchet wheel, a pawl component matched with the ratchet wheel is arranged on the inner periphery of the circular structure, and the ratchet rocker (12) can drive the nut sleeve to rotate.

3. The adjustable fixture set for replacing the strain insulator by the helicopter suspension method according to claim 2, wherein the number of the adjusting assemblies is two, the two adjusting assemblies are arranged in parallel at intervals, one end of each of the two adjusting assemblies is connected to two sides of the front clamp (1), and the other end of each of the two adjusting assemblies is connected to two sides of the rear clamp (11).

4. The adjustable clamp kit for replacing the tension insulator by the helicopter suspension method according to claim 1, wherein the first bracket and the second bracket are connected with a front clamp (1) and a rear clamp (11) respectively through an adjustable pressing plate (2).

5. The adjustable clamp kit for replacing tension insulators by helicopter suspension according to claim 4, characterized in that the adjustable pressure plate (2) comprises:

a main body part (21) provided with a sliding groove;

the fixed pressing plate part (22) is perpendicular to the main body part (21), one end of the fixed pressing plate part (22) is fixedly connected with one end of the main body part (21), and a connecting hole is formed in the middle of the fixed pressing plate part (22);

the movable pressing plate part (23) is perpendicular to the main body part (21), the movable pressing plate part (23) can slide relative to the main body part (21) along the extending direction of the sliding groove, the movable pressing plate part (23) and the fixed pressing plate part (22) are arranged in parallel at intervals and form a pressing space for accommodating an object to be connected, the movable pressing plate part (23) and the fixed pressing plate part (22) are both positioned on one side of the main body part (21), and a matching hole matched with the connecting hole is formed in the middle of the movable pressing plate part (23);

the connecting part (24) is parallel to the fixed pressing plate part (22), the connecting part (24) is located on the other side of the main body part (21), one end of the connecting part (24) is fixedly connected with the main body part (21), and a fixing hole is formed in the middle of the connecting part (24).

6. The adjustable clamp set for replacing tension insulators by a helicopter suspension method according to claim 1, characterized in that at least two sets of pulleys (14) capable of sliding relative to the supporting beam (8) are arranged on the supporting beam (8) at intervals.

7. The adjustable clamp kit for replacing the tension insulator by the helicopter suspension method according to claim 6, characterized in that a plurality of anti-slip hoops (9) are further arranged on the supporting beam (8), and both sides of each group of pulleys (14) are provided with the anti-slip hoops (9) for fixing the pulleys (14) at set positions on the supporting beam (8).

8. The adjustable clamp kit for replacing the strain insulator by the helicopter suspension method according to claim 1, wherein the front clamp (1) comprises an upper front clamp and a lower front clamp, the upper front clamp and the lower front clamp are semi-annular, one end of the upper front clamp is hinged with one end of the lower front clamp, the other end of the upper front clamp is detachably connected with the other end of the lower front clamp, the upper front clamp and the lower front clamp together enclose a first annular space for accommodating a working cable, and a plurality of pressing blocks are uniformly distributed at intervals on the inner periphery of the first annular space.

9. The adjustable clamp kit for replacing the strain insulator by the helicopter suspension method according to claim 1, wherein the rear clamp (11) comprises an upper rear clamp and a lower rear clamp, the upper rear clamp and the lower rear clamp are semi-annular, one end of the upper rear clamp is hinged with one end of the lower rear clamp, the other end of the upper rear clamp is detachably connected with the other end of the lower rear clamp, the upper rear clamp and the lower rear clamp together enclose a second annular space for accommodating a working cable, and the inner diameter of the second annular space is gradually reduced along the connecting line direction of the front clamp (1) to the rear clamp (11).

10. The adjustable clamp set for replacing strain insulators by helicopter suspension according to claim 1, characterized in that the upper end of the second bracket is connected with the other end of the supporting beam (8) by a linear bearing.

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