CN219156396U - Reactor ladder lifting device in 66kV equipment resonance withstand voltage test - Google Patents

Abstract

The utility model provides a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test, which comprises a portal, wherein a top clamping frame is welded at the top of the portal, a rotating wheel is movably connected to the middle part of the top clamping frame, a bottom clamping frame is welded at the top of the back of the portal, a winch is movably connected to the middle part of the bottom clamping frame, rotating gears are movably connected to both ends of the winch, a rotating handle is movably connected to one end of the winch, an external motor is movably connected to the other side of the winch, and a controller is electrically connected to one end of the external motor.

Description

Reactor ladder lifting device in 66kV equipment resonance withstand voltage test

Technical Field

The utility model relates to the technical field of dry reactors, in particular to a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test.

Background

The reactor is important electrical equipment in a transformer substation and plays an important role in ensuring safe and stable operation of a power grid, and mainly comprises an iron core and a coil, wherein the iron core can be divided into an iron core column and an iron yoke, the iron core column is usually composed of an iron cake and an air gap, the coil is sleeved with the iron core column and is fixed by an end cushion block, the iron yoke comprises an upper iron yoke and a lower iron yoke which are respectively positioned on the upper side and the lower side of the iron core column, the iron core column is formed by superposing iron cakes distributed by a plurality of air gaps and is positioned on the lower iron yoke and is pressed and fixed by the upper iron yoke and dead weight.

However, most of the reactors are heavy, so that the resonance withstand voltage test of 66kV equipment can be carried out in the new transformer substation operation or overhaul diagnosis caused by the heavy reactor, four heavy reactors are needed to be stacked and carried in the original mode, a plurality of persons are needed to cooperate together and operate together, the equipment is damaged due to collision in the carrying process frequently caused by the limited height, the service life of the reactors is seriously attenuated, the test cost is greatly increased, and the reactor ladder lifting device in the resonance withstand voltage test of 66kV equipment is urgently needed to solve the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reactor ladder elevating gear in 66kV equipment resonance withstand voltage test, includes the portal, the top welding of portal has a top clamping frame, the middle part swing joint of top clamping frame has the runner, the top welding at the portal back has a bottom clamping frame, the middle part swing joint of bottom clamping frame has the winch, the equal swing joint in both ends of winch has a rotation gear, the one end swing joint of winch has a commentaries on classics handle, the opposite side swing joint of winch has external motor, the one end electric connection of external motor has the controller, the outside of winch and runner all is equipped with the screw thread, be connected with nylon stretching strap between winch and the runner.

Preferably, the bottom pressfitting of nylon stretching strap has rings, the bottom welding of rings has the fixture block, the bottom welding of fixture block has the lifter plate, the bottom welding of lifter plate has the welding piece, the bottom screw connection of welding piece has the grapple, the material of grapple is insulating material, the grapple is four altogether.

Preferably, jacks are formed in two sides in the portal frame, telescopic motors are clamped on two sides of the lifting plate, and the telescopic motors are provided with power supplies.

Preferably, the front electric connection of flexible motor of both sides has the motor inductor, the one end swing joint of flexible motor has the pivot, the inside of pivot is equipped with the screw thread, the one end threaded connection of pivot has flexible post, flexible post and jack looks adaptation each other.

Preferably, the bottom in the middle of the portal is provided with a bottom plate, the top of the bottom plate is provided with an insulating layer, the top of the bottom plate is provided with a reactor, and the bottom of the portal is connected with a roller through bolts.

Preferably, holes are formed in two sides of the portal, cross arms are inserted into the holes in two sides of the portal, supporting columns are clamped at the bottoms of the cross arms, grinding lines are arranged at the bottoms of the supporting columns, and the bottoms of the supporting columns are parallel to the rollers.

Advantageous effects

According to the utility model, when the reactor is overlapped, the lifting plate is controlled to lift the upper reactor, and then the upper reactor is sequentially overlapped.

In order to prevent the whole equipment from sliding when the reactor is hoisted, the cross arm is inserted into two sides of the portal frame before hoisting, so that the supporting columns are contacted with the ground, the bottoms of the supporting columns are provided with grinding grains, the cross arm is not easy to slide when the portal frame is contacted with the ground, the cross arm is pulled out when the portal frame is to be pushed, the hoisting is carried out without the assistance of multiple persons, and after the reactor is lifted to the corresponding height, the telescopic columns are controlled to be inserted into corresponding jacks, so that the reactor is safer.

Drawings

FIG. 1 is a whole structure diagram of a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test;

FIG. 2 is a front view of a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test;

FIG. 3 is a rear view of a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test;

fig. 4 is a top view of a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test.

Legend description:

1. a door frame; 2. a top clamping frame; 3. a rotating wheel; 4. nylon drawstring; 5. a hanging ring; 6. a bottom clamping frame; 7. a cross arm; 8. a strut; 9. a roller; 10. a bottom plate; 11. a controller; 12. a jack; 13. a clamping block; 14. a lifting plate; 15. a telescopic motor; 16. a motor inductor; 17. externally connecting a motor; 18. a rotating shaft; 19. a telescopic column; 20. welding blocks; 21. a grapple; 22. rotating the gear; 23. a winch; 24. a rotating handle.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Embodiment one:

referring to figures 1-4, a reactor ladder lifting device in a 66kV equipment resonance withstand voltage test comprises a portal 1, wherein a top clamping frame 2 is welded at the top of the portal 1, a rotating wheel 3 is movably connected at the middle of the top clamping frame 2, a bottom clamping frame 6 is welded at the top of the back of the portal 1, a winch 23 is movably connected at the middle of the bottom clamping frame 6, rotating gears 22 are movably connected at both ends of the winch 23, a rotating handle 24 is movably connected at one end of the winch 23, an external motor 17 is movably connected at the other side of the winch 23, a controller 11 is electrically connected at one end of the external motor 17, threads are arranged outside the winch 23 and the rotating wheel 3, a nylon pull belt 4 is connected between the winch 23 and the rotating wheel 3, the winch 23 can be manually rotated or automatically rotated, a lifting ring 5 is pressed at the bottom of the nylon pull belt 4, a clamping block 13 is welded at the bottom of the lifting ring 5, the bottom end of the clamping block 13 is welded with a lifting plate 14, the bottom of the lifting plate 14 is welded with a welding block 20, the bottom screw of the welding block 20 is connected with a grapple 21, the grapple 21 is made of an insulating material, four grapple 21 are arranged in total, a winch 23 is used for lifting the nylon pull belt 4, a rotating handle 24 is manually rotated clockwise, the nylon pull belt 4 rises along with rotation and descends conversely, one side of the winch 23 is provided with an external motor 17, one end of the external motor 17 is electrically connected with a controller 11, the controller 11 controls the external motor 17 to operate, the front surface of the controller 11 is provided with two buttons, the button on one side is rotated clockwise, the button on the other side is rotated anticlockwise, the bottom of the lifting plate 14 is provided with four grapple 21 which respectively hook four feet of a top-layer reactor, then the top-layer reactor is lifted, then the stacked reactors are placed on the bottom plate 10, when the reactor ladder lifting device is overlapped, the lifting plate 14 is controlled to lift the upper-layer reactor, and then the upper-layer reactors are sequentially overlapped.

Embodiment two:

referring to fig. 1-4, jacks 12 are respectively arranged on two sides in the portal 1, telescopic motors 15 are respectively clamped on two sides of the lifting plate 14, the telescopic motors 15 are self-powered, motor inductors 16 are electrically connected to the front sides of the telescopic motors 15 on two sides, a rotating shaft 18 is movably connected to one end of each telescopic motor 15, threads are arranged in the rotating shaft 18, telescopic columns 19 are connected to one ends of the rotating shafts 18 in a threaded manner, the telescopic columns 19 and the jacks 12 are mutually matched, a bottom plate 10 is arranged at the middle of the portal 1, an insulating layer is arranged at the top of the bottom plate 10, a reactor is arranged at the top of the bottom plate 10, rollers 9 are connected to the bottom of the portal 1 in a bolt manner, holes are respectively arranged on two sides of the portal 1, cross arms 7 are respectively inserted in the holes on two sides of the portal 1, supporting columns 8 are respectively clamped on the bottoms of the cross arms 7, grinding lines are arranged at the bottoms of the supporting columns 8, the bottoms of the supporting columns 8 are parallel to the rollers 9, when the lifting plates 14 lift the reactor to a required height, the telescopic motors 15 on the two sides of the lifting plate 14 are all in remote control, the telescopic motors 15 can be controlled to rotate through remote control, the telescopic motors 15 can rotate clockwise, the rotating shafts 18 can rotate clockwise, the telescopic columns 19 can extend forwards into the jacks 12 when the rotating shafts 18 rotate clockwise, nine jacks 12 are arranged on the two sides, the heights of the telescopic columns 19 can be adjusted according to actual conditions, in order to prevent the whole equipment from sliding when the reactor is lifted, the cross arm 7 is inserted into the two sides of the portal 1 before the reactor is lifted, so that the supporting columns 8 are in contact with the ground, the bottoms of the supporting columns 8 are provided with grinding lines, the cross arm 8 is not easy to slide when the supporting columns are in contact with the ground, the cross arm 7 is pulled out when the portal 1 is pushed, no assistance by a plurality of people is needed when the reactor is lifted to the corresponding height, the telescopic columns 19 are controlled to be inserted into the corresponding jacks 12, the safety is improved.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Reactor ladder elevating gear in 66kV equipment resonance withstand voltage test, including portal (1), its characterized in that: top welding of portal (1) has top card frame (2), the middle part swing joint of top card frame (2) has runner (3), the top welding at portal (1) back has end card frame (6), the middle part swing joint of end card frame (6) has winch (23), the equal swing joint in both ends of winch (23) has rotation gear (22), the one end swing joint of winch (23) has twist grip (24), the opposite side swing joint of winch (23) has external motor (17), the one end electric connection of external motor (17) has controller (11), the outside of winch (23) and runner (3) all is equipped with the screw thread, be connected with nylon stretching strap (4) between winch (23) and runner (3).

2. The reactor ladder lifting device in a 66kV device resonance withstand voltage test according to claim 1, wherein: lifting rings (5) are pressed at the bottom of the nylon pull belt (4), clamping blocks (13) are welded at the bottom ends of the lifting rings (5), lifting plates (14) are welded at the bottom ends of the clamping blocks (13), welding blocks (20) are welded at the bottom of the lifting plates (14), grapples (21) are connected with bottom screws of the welding blocks (20), the grapples (21) are made of insulating materials, and the number of the grapples (21) is four.

3. The reactor ladder lifting device in a 66kV device resonance withstand voltage test according to claim 2, wherein: the jack (12) has all been seted up to both sides in portal (1), the both sides of lifter plate (14) all joint has flexible motor (15), flexible motor (15) are from the electrified source.

4. A reactor ladder lifting device in a 66kV equipment resonance withstand voltage test according to claim 3, characterized in that: the telescopic motor comprises a telescopic motor body, a motor sensor (16) is electrically connected to the front side of the telescopic motor body (15), a rotating shaft (18) is movably connected to one end of the telescopic motor body (15), threads are arranged in the rotating shaft (18), a telescopic column (19) is connected to one end of the rotating shaft (18) in a threaded mode, and the telescopic column (19) and a jack (12) are mutually matched.

5. The reactor ladder lifting device in a 66kV device resonance withstand voltage test according to claim 1, wherein: the bottom in the middle of portal (1) has placed bottom plate (10), the top of bottom plate (10) is equipped with the insulating layer, the reactor has been placed at the top of bottom plate (10), the bottom bolted connection of portal (1) has gyro wheel (9).

6. The reactor ladder lifting device in a 66kV device resonance withstand voltage test according to claim 1, wherein: holes are formed in two sides of the portal frame (1), cross arms (7) are inserted into the holes in two sides of the portal frame (1), supporting columns (8) are clamped at the bottoms of the cross arms (7), grinding lines are arranged at the bottoms of the supporting columns (8), and the bottoms of the supporting columns (8) are parallel to the rollers (9).

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