CN115791471A

CN115791471A - Insulator hardware vibration anti-fatigue test equipment for high-voltage transformer substation

Info

Publication number: CN115791471A
Application number: CN202211469316.6A
Authority: CN
Inventors: 谭巧; 林火养; 贺德华
Original assignee: Minjiang University
Current assignee: Minjiang University
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-14

Abstract

The invention relates to the technical field of electric power test equipment, and discloses insulator hardware vibration anti-fatigue test equipment for a high-voltage transformer substation, which solves the problems that the conventional insulator hardware vibration anti-fatigue test equipment is inconvenient to adjust the force for pulling an insulator, the operation steps are complicated, and the insulator is dangerous to some extent and inconvenient to use practically when being broken in the pulling process; according to a stretching degree of the first stretching spring, the tension applied to the insulator body and the hardware fitting is adjusted, the insulator connecting seat and the first fixing column are prevented from being shaken to collide other positions, the safety is improved, and the dismounting efficiency of the insulator body and the hardware fitting is improved.

Description

Insulator hardware vibration anti-fatigue test equipment for high-voltage transformer substation

Technical Field

The invention belongs to the technical field of electric power test equipment, and particularly relates to an insulator hardware fitting vibration anti-fatigue test equipment for a high-voltage transformer substation.

Background

Under the effect of wind, the transmission line that the transformer substation was qualified for the next round of competitions the department is in the vibration state constantly, according to the difference of frequency and amplitude, roughly divide into following three kinds of vibrations: the motions of high-frequency micro-amplitude breeze vibration, medium-frequency mid-amplitude sub-span vibration and low-frequency large-amplitude waving, which are not limited in a safe range, may cause problems such as: breaking strands and breaking wires of the ground wires; the link hardware is damaged. Wind-induced vibration is the most common mode which endangers the safe operation of lines, almost all high-voltage overhead power transmission lines in the world are influenced and threatened by breeze vibration, the vibration of a wind-induced ground wire can cause an insulator to be repeatedly bent at a suspension point to cause material fatigue, and finally, the fatigue and the breakage of a power transmission line or the damage of hardware fittings, the insulator, a tower and other components are caused, and the fatigue and the breakage of the insulator caused by the wind-induced vibration are one of main factors influencing the safe operation of the lines and threaten the stable and safe operation of a power grid.

The current insulator gold utensil vibration anti-fatigue test equipment is not convenient for adjust the dynamics of dragging the insulator, and the operating procedure is comparatively loaded down with trivial details, and at the in-process of dragging moreover, when the insulator breaks off, there is certain danger, the in-service use of not being convenient for.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the vibration fatigue resistance test equipment for the insulator hardware of the high-voltage transformer substation, which effectively solves the problems that the conventional vibration fatigue resistance test equipment for the insulator hardware in the background art is inconvenient to adjust the force for pulling the insulator, the operation steps are complex, and the insulator is broken in the pulling process, has certain danger and is inconvenient to use practically.

In order to achieve the purpose, the invention provides the following technical scheme: the insulator hardware vibration fatigue test equipment for the high-voltage transformer substation comprises a fatigue test operating platform and a supporting top seat, wherein the supporting top seat is arranged above the fatigue test operating platform, the top of the fatigue test operating platform is connected with the bottom of the supporting top seat through two supporting frames, a lifting seat is arranged between the fatigue test operating platform and the supporting top seat, the supporting frames penetrate through the lifting seat, the bottom of the lifting seat is connected with the top of the fatigue test operating platform through two hydraulic telescopic cylinders, a rotary adjusting pulling disc is arranged at the top of the lifting seat, an insulator body is arranged above the rotary adjusting pulling disc, hardware fittings are arranged at two ends of the insulator body, a first supporting baffle plate and a second supporting baffle plate are respectively arranged at two sides of one hardware fitting, a movable limiting clamping plate is arranged at two sides of the other hardware fitting, the tops of the first supporting baffle plate and the second supporting baffle plate are connected with the supporting top seat through a first connecting rope, a first penetrating limiting column is fixedly connected to one side of the first supporting baffle plate, the first penetrating limiting column penetrates through the hardware fittings and the second supporting baffle plate, and the second supporting baffle plate are connected with a second supporting baffle plate through a positioning mechanism, and an adjusting pulling disc assembly;

the elastic pulling assembly comprises a swinging insulator connecting seat arranged above a rotary adjusting pulling disc, a second penetrating limiting column is arranged between two movable limiting clamping plates, the second penetrating limiting column penetrates through a hardware fitting, two ends of the second penetrating limiting column respectively penetrate through two movable limiting clamping plates, the movable limiting clamping plates and the swinging insulator connecting seat are connected through a sliding piece, the second penetrating limiting column is connected with the movable limiting clamping plates through a locking mechanism, the swinging insulator connecting seat is connected with a supporting top seat through a pulling anti-falling mechanism, a first fixed column is fixedly connected with the bottom of the swinging insulator connecting seat, a first groove is formed in the bottom of the first fixed column, a movable column is arranged in the first groove, the top end of the movable column is connected with the inner wall of the top of the first groove through a first stretching spring, the bottom end of the movable column is connected with the rotary adjusting pulling disc through a second connecting rope, a rotary connecting column is fixedly connected with the bottom of the rotary adjusting pulling disc, a lifting connecting seat is arranged at the bottom end of the rotary connecting column, a rotary positioning connecting column is arranged below the lifting seat, the bottom of the rotary positioning chuck is fixedly connected with a rotary positioning rotating mechanism matched with the rotary positioning chuck.

Preferably, the locking mechanism is including setting up in the fixed block of the spacing grip block one side of activity, one side and the spacing grip block fixed connection of activity of fixed block, the slot has been seted up to one side of fixed block, the second runs through the both ends of spacing post and is located two slots that correspond respectively, the second runs through and has seted up two first locating grooves on the spacing post, first through-hole has been seted up on the inner wall of slot, two second through-holes have been seted up at the top of swaing the insulator connecting seat, the below of swaing the insulator connecting seat is equipped with the go-between, two first locating posts of top fixedly connected with of go-between, the top of go-between is connected through a plurality of second extension spring with the bottom of swaing the insulator connecting seat.

Preferably, the top of first locating column runs through second through-hole and first through-hole in proper order, and the top of first locating column is located first locating groove, and first spacing groove has been seted up to one side inner wall of slot, and the second runs through the first spacing cardboard of the equal fixedly connected with in both ends of spacing post, and first spacing cardboard is located first spacing inslot.

Preferably, the sliding part comprises four sliding grooves formed in the top of the swinging insulator connecting seat, two sliding blocks are fixedly connected to the bottom of the movable limiting clamping plate, the sliding blocks are located in the sliding grooves, and the cross sections of the sliding grooves and the sliding blocks are of T-shaped structures.

Preferably, it includes that two sets up in the second fixed column that supports the footstock bottom to drag anti-falling mechanism, the top of second fixed column and the bottom fixed connection who supports the footstock, and the second recess has been seted up to the bottom of second fixed column, is equipped with in the second recess to prevent weighing down and pulls the post, prevents weighing down to pull the top of post and the top inner wall of second recess and passes through third extension spring to be connected, prevents weighing down to pull the bottom of post and extends to the below of second fixed column, and prevents weighing down to pull the bottom of post and the one side of swaing the insulator connecting seat and be connected through the third connecting rope.

Preferably, positioning mechanism includes that two are seted up in the first second constant head tank that runs through on the spacing post, and one side of second supporting baffle is equipped with two adjustable fender, and fixedly connected with fixture block on the adjustable fender is equipped with two first fixed plates between two adjustable fender, one side and the second supporting baffle fixed connection of first fixed plate, and first fixed plate is dragged the piece through elasticity with adjustable fender and is connected.

Preferably, the elastic pulling piece comprises two third fixing columns arranged between the movable adjusting plates, the two third fixing columns respectively run through the two first fixing plates, the third fixing columns are fixedly connected with the first fixing plates, the two ends of the third fixing columns respectively run through the two movable adjusting plates, the two ends of the third fixing columns are all sleeved with fourth stretching springs, the two ends of each fourth stretching spring are respectively fixedly connected with the movable adjusting plates and the first fixing plates, one side, far away from each of the two movable adjusting plates, is provided with a first connecting plate, and the two ends of each third fixing column are respectively connected with the two first connecting plates.

Preferably, joint rotary mechanism is including setting up in the rotary drive motor of lift seat below, the spacing cardboard of rotary drive motor's top fixedly connected with second, the second spacing groove has been seted up on the rotational positioning chuck, the spacing cardboard of second is located the second spacing inslot, rotary drive motor's bottom fixedly connected with motor supporting seat, the both sides of motor supporting seat all are equipped with the fixed curb plate of support, the top of supporting the fixed curb plate and the bottom fixed connection of lift seat, one side fixedly connected with second fixed plate of the fixed curb plate of support, a plurality of second reference columns of bottom fixedly connected with of second fixed plate, a plurality of locating holes have been seted up on the motor supporting seat, the bottom of motor supporting seat is equipped with support piece.

Preferably, the support piece comprises two motor supporting support plates arranged at the bottom of the motor supporting seat, the motor supporting support plates penetrate through and support the fixed side plates, a second connecting plate is arranged on one side of each supporting fixed side plate, one side of each motor supporting support plate is fixedly connected with one side of the corresponding second connecting plate, and one side of each second connecting plate and one side of each supporting fixed side plate are connected through a plurality of fifth extension springs.

Preferably, the bottom of the motor supporting seat is in contact with the top of the motor supporting plate, the second positioning columns are located in the corresponding positioning holes, the rotary positioning chuck is provided with a plurality of supporting wheels, and the top ends of the supporting wheels are in contact with the bottom of the lifting seat.

Compared with the prior art, the invention has the beneficial effects that:

(1) In work, through the arranged fatigue resistance test operating platform, the supporting top seat, the supporting frame, the lifting seat, the swinging insulator connecting seat, the first fixed column, the first groove, the movable column, the first stretching spring, the second connecting rope, the rotary adjusting pulling disc and the hydraulic telescopic cylinder, the lifting seat is driven to move downwards through the hydraulic telescopic cylinder, so that the rotary adjusting pulling disc moves downwards, the distance between the rotary adjusting pulling disc and the swinging insulator connecting seat is increased, the movable column is pulled by the second connecting rope to move, the length of the movable column in the first groove is shortened along with the continuous downward movement of the rotary adjusting pulling disc, the first stretching spring is in a stretching state, and the tension applied to the insulator body and the hardware fitting is adjusted according to the stretching degree of the first stretching spring;

(2) Through the arranged lifting seat, the rotary connecting column, the rotary positioning chuck, the rotary adjusting pulling disc and the clamping rotating mechanism, the rotary driving motor drives the second limiting clamping plate to rotate, so that the rotary positioning chuck and the rotary adjusting pulling disc rotate, the insulator body and the hardware fitting rotate, the frequency of wind shock is simulated, the resistance of the rotary positioning chuck and the rotary adjusting pulling disc to rotate is reduced through the arranged supporting wheel, the motor supporting plate moves by driving the second connecting plate to move, the fifth stretching spring is in a stretching state, the motor supporting plate is not located at the bottom of the motor supporting seat any more, the motor supporting seat and the rotary driving motor move downwards, the second positioning column is separated from the positioning hole, the second limiting clamping plate is separated from the second limiting groove, and the rotary driving motor can be dismantled;

(3) Through the arranged supporting top seat, the swinging insulator connecting seat and the pulling anti-falling mechanism, when an insulator body or hardware is damaged or even broken, the first stretching spring is in a stretching state in the test process, the first stretching spring pulls the first fixing column and the swinging insulator connecting seat to move downwards, the third connecting rope drives the anti-falling pulling column to move downwards, the third stretching spring is in a stretching state and is buffered through the third stretching spring, the swinging insulator connecting seat and the first fixing column are prevented from colliding with other positions, and the safety is improved;

(4) The second through spacing post, the spacing grip block of activity, slide and locking mechanism, move down through the drive go-between, make the second extension spring be in tensile state, and then make first locating post move down, make the top of first locating post break away from first constant head tank and first through-hole, remove the second and run through the fixed relation between spacing post and the fixed block, and then drive two spacing grip blocks of activity and keep away from the removal, make the second run through spacing post and break away from slot and the spacing grip block of activity, accomplish the second and run through the split between spacing post and the spacing grip block of activity, and then drive the second and run through spacing post and move, make the second run through spacing post no longer to run through the spacing post, can accomplish the demolition of one of them gold utensil, through the first backplate that sets up, first support baffle, second support baffle and positioning mechanism, drive two activity adjustment plates to keep away from the removal, make the fixture block break away from the second constant head tank, remove the spacing to first through spacing post, and fourth extension spring is in tensile state, and then drive the first support baffle to break away from between the spacing post and the second support baffle, and the dismouting of the first post and the spacing post, and the use of the first drive baffle to accomplish the dismouting of the gold utensil, and the spacing post, and the use of the improvement of the real drive that the first set up the spacing baffle.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at B in FIG. 1;

FIG. 4 is a schematic view of the locking mechanism of the present invention;

FIG. 5 is a schematic structural view of a pulling and falling-preventing mechanism of the present invention;

FIG. 6 is a schematic view of a positioning mechanism according to the present invention;

FIG. 7 is a schematic view of a motor supporting base according to the present invention;

FIG. 8 is a schematic view of the bottom structure of the rotating positioning chuck of the present invention;

in the figure: 1. an anti-fatigue test operating table; 2. supporting the top seat; 3. a support frame; 4. a lifting seat; 5. an insulator body; 6. a hardware fitting; 7. a first support baffle; 8. a first connecting rope; 9. the first through limiting column; 10. a second support baffle; 11. a swinging insulator connecting seat; 12. the second penetrating limiting column; 13. a movable limit clamping plate; 14. a first fixed column; 15. a first groove; 16. a movable post; 17. a first extension spring; 18. a second connecting rope; 19. rotating the connecting column; 20. rotating the positioning chuck; 21. a fixed block; 22. a slot; 23. a first positioning groove; 24. a first through hole; 25. a second through hole; 26. a first positioning post; 27. a connecting ring; 28. a second extension spring; 29. a first limit groove; 30. a first limiting clamping plate; 31. a chute; 32. a slider; 33. a second fixed column; 34. a second groove; 35. a third extension spring; 36. the anti-falling pulling column; 37. a third connecting rope; 38. a second positioning groove; 39. a movable adjusting plate; 40. a clamping block; 41. a first fixing plate; 42. a third fixing column; 43. a fourth tension spring; 44. a first connecting plate; 45. a rotary drive motor; 46. a second limiting clamping plate; 47. a second limit groove; 48. a motor supporting seat; 49. supporting the fixed side plate; 50. a second fixing plate; 51. a second positioning column; 52. positioning holes; 53. a motor support pallet; 54. a second connecting plate; 55. a fifth extension spring; 56. a support wheel; 57. rotating the adjusting pulling disc; 58. and a hydraulic telescopic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a first embodiment, as shown in fig. 1 to 8, the anti-fatigue test device comprises an anti-fatigue test operating table 1 and a supporting top seat 2, the supporting top seat 2 is arranged above the anti-fatigue test operating table 1, the top of the anti-fatigue test operating table 1 is connected with the bottom of the supporting top seat 2 through two support frames 3, a lifting seat 4 is arranged between the anti-fatigue test operating table 1 and the supporting top seat 2, the support frames 3 penetrate through the lifting seat 4, the bottom of the lifting seat 4 is connected with the top of the anti-fatigue test operating table 1 through two hydraulic telescopic cylinders 58, a rotary adjusting pulling disc 57 is arranged at the top of the lifting seat 4, an insulator body 5 is arranged above the rotary adjusting pulling disc 57, hardware fittings 6 are arranged at two ends of the insulator body 5, a first supporting baffle 7 and a second supporting baffle 10 are respectively arranged at two sides of one hardware fitting 6, a movable limiting clamping plate 13 is arranged at two sides of the other hardware fitting 6, the tops of the first supporting baffle 7 and the second supporting baffle 10 are both connected with the supporting top of the supporting top seat 2 through a first connecting rope 8, a first supporting baffle 7 is fixedly connected with a first supporting column 9, and a second column connecting mechanism connecting the second column connecting mechanism connecting pulling plate 5 through a limiting baffle 9;

the elastic pulling assembly comprises a swinging insulator connecting seat 11 arranged above the rotary adjusting pulling disc 57, a second through limiting column 12 is arranged between the two movable limiting clamping plates 13, the second through limiting column 12 penetrates through the hardware fitting 6, two ends of the second through limiting column 12 respectively penetrate through the two movable limiting clamping plates 13, the movable limiting clamping plates 13 are connected with the swinging insulator connecting seat 11 through sliding pieces, the second through limiting column 12 is connected with the movable limiting clamping plates 13 through a locking mechanism, the swinging insulator connecting seat 11 is connected with the supporting top seat 2 through a pulling anti-falling mechanism, a first fixed column 14 is fixedly connected with the bottom of the swinging insulator connecting seat 11, a first groove 15 is formed in the bottom of the first fixed column 14, a movable column 16 is arranged in the first groove 15, and the top end of the movable column 16 is connected with the inner wall of the top of the first groove 15 through a first stretching spring 17, the bottom end of the movable column 16 is connected with the rotary adjusting pulling disc 57 through the second connecting rope 18, the bottom of the rotary adjusting pulling disc 57 is fixedly connected with the rotary connecting column 19, the bottom end of the rotary connecting column 19 penetrates through the lifting seat 4, the rotary positioning chuck 20 is arranged below the lifting seat 4, the bottom of the rotary connecting column 19 is fixedly connected with the top of the rotary positioning chuck 20, the clamping rotating mechanism matched with the rotary positioning chuck 20 is arranged below the lifting seat 4, the lifting seat 4 is driven to move downwards through the hydraulic telescopic cylinder 58, the rotary adjusting pulling disc 57 is further driven to move downwards, the distance between the rotary adjusting pulling disc 57 and the swinging insulator connecting seat 11 is increased, the movable column 16 is pulled by the second connecting rope 18 to move, along with the continuous downward movement of the rotary adjusting pulling disc 57, the length of the movable column 16 in the first groove 15 is shortened, the first stretching spring 17 is in a stretching state, according to the stretching degree of the first stretching spring 17, the pulling force applied to the insulator body 5 and the hardware fitting 6 is adjusted.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 and 4, the locking mechanism includes a fixed block 21 disposed on one side of a movable limiting and clamping plate 13, one side of the fixed block 21 is fixedly connected to the movable limiting and clamping plate 13, one side of the fixed block 21 is provided with a slot 22, two ends of a second penetrating and limiting post 12 are respectively located in two corresponding slots 22, two first positioning grooves 23 are formed in the second penetrating and limiting post 12, the inner wall of the slot 22 is provided with a first through hole 24, the top of the swinging insulator connecting seat 11 is provided with two second through holes 25, the lower side of the swinging insulator connecting seat 11 is provided with a connecting ring 27, the top of the connecting ring 27 is fixedly connected to two first positioning posts 26, the top of the connecting ring 27 is connected to the bottom of the swinging insulator connecting seat 11 through a plurality of second tension springs 28, the top of the first positioning post 26 sequentially penetrates through the second through holes 25 and the first through holes 24, the top of the first positioning post 26 is located in the first positioning groove 23, the inner wall of one side of the slot 22 is provided with a first limiting groove 29, two ends of the second penetrating and fixing post 12 are both connected to a first sliding block 30, and the sliding block 32 is located in the sliding block structure of the first sliding block 13, and the sliding block 31, the sliding block 31;

move down through drive go-between 27 for second extension spring 28 is in tensile state, and then make first locating post 26 move down, make the top of first locating post 26 break away from first constant head tank 23 and first through-hole 24, remove the second and run through the fixed relation between spacing post 12 and the fixed block 21, and then drive two spacing grip blocks of activity 13 and keep away from the removal mutually, make the second run through spacing post 12 and break away from slot 22 and the spacing grip block 13 of activity, accomplish the second and run through the split between spacing post 12 and the spacing grip block 13 of activity, and then drive the second and run through spacing post 12 and remove, make the second run through spacing post 12 no longer to run through gold utensil 6, can accomplish the demolishment of one of them gold utensil 6.

Third embodiment, on the basis of the first embodiment, as shown in fig. 1 and 5, the pulling and falling prevention mechanism includes two second fixing pillars 33 disposed at the bottom of the supporting top base 2, the top of the second fixing pillars 33 is fixedly connected to the bottom of the supporting top base 2, a second groove 34 is formed at the bottom of the second fixing pillars 33, an falling-prevention pulling pillar 36 is disposed in the second groove 34, the top of the falling-prevention pulling pillar 36 is connected to the inner wall of the top of the second groove 34 through a third extension spring 35, the bottom of the falling-prevention pulling pillar 36 extends below the second fixing pillars 33, the bottom of the falling-prevention pulling pillar 36 is connected to one side of the swinging insulator connecting base 11 through a third connecting rope 37, when the insulator body 5 or the hardware fitting 6 is damaged or even broken, since the first extension spring 17 is in an extension state in a test process, the first extension spring 17 pulls the first fixing pillar 14 and the swinging insulator connecting base 11 to move downward, the third connecting rope 37 drives the pulling pillar 36 to move downward, the third extension spring 35 is in an extension state, the third extension spring 35 buffers the swinging insulator 14, and prevents the falling-prevention pulling pillar from impacting other fixing seats 14, thereby improving the safety of the swinging insulator connecting base and preventing the other fixing seats.

In a fourth embodiment, based on the first embodiment, as shown in fig. 1, 2 and 6, the positioning mechanism includes two second positioning grooves 38 formed in the first through limiting post 9, two movable adjusting plates 39 are disposed on one side of the second supporting baffle 10, a clamping block 40 is fixedly connected to each movable adjusting plate 39, two first fixing plates 41 are disposed between the two movable adjusting plates 39, one side of each first fixing plate 41 is fixedly connected to the second supporting baffle 10, each first fixing plate 41 is connected to each movable adjusting plate 39 through an elastic pulling member, each elastic pulling member includes two third fixing posts 42 disposed between the movable adjusting plates 39, the two third fixing posts 42 respectively penetrate the two first fixing plates 41, each third fixing post 42 is fixedly connected to each first fixing plate 41, two ends of each third fixing post 42 respectively penetrate the two movable adjusting plates 39, two ends of each third fixing post 42 are respectively connected to each movable adjusting plate 39, two ends of each fourth stretching springs 43 are respectively fixedly connected to each movable adjusting plate 39 and the first fixing plates 41, one side of each movable adjusting plate 39 away from each other is provided with a first connecting plate 44, and two ends of each third connecting plate 42 are respectively connected to each first connecting plate 44;

two adjustable plates 39 are driven to move away from each other, so that the fixture block 40 is separated from the second positioning groove 38, the limitation of the first through limiting column 9 is removed, the fourth stretching spring 43 is in a stretching state, the first supporting baffle 7 is driven to move, the first through limiting column 9 is separated from the second supporting baffle 10, the separation between the first through limiting column 9 and the second supporting baffle 10 is completed, the first through limiting column 9 is driven to be separated from the fitting 6, and the adjustable plates 39 are prevented from being separated from the third fixing column 42 through the first connecting plate 44.

Fifth embodiment, based on the first embodiment, as shown in fig. 1, 3, 7 and 8, the clamping and rotating mechanism includes a rotating driving motor 45 disposed below the lifting seat 4, a second limiting plate 46 is fixedly connected to the top end of the rotating driving motor 45, a second limiting groove 47 is formed on the rotating positioning chuck 20, the second limiting plate 46 is located in the second limiting groove 47, a motor support seat 48 is fixedly connected to the bottom of the rotating driving motor 45, supporting and fixing side plates 49 are disposed on both sides of the motor support seat 48, the top of the supporting and fixing side plate 49 is fixedly connected to the bottom of the lifting seat 4, a second fixing plate 50 is fixedly connected to one side of the supporting and fixing side plate 49, a plurality of second positioning pillars 51 are fixedly connected to the bottom of the second fixing plate 50, a plurality of positioning holes 52 are formed in the motor supporting seat 48, a supporting piece is arranged at the bottom of the motor supporting seat 48, the supporting piece comprises two motor supporting plates 53 arranged at the bottom of the motor supporting seat 48, the motor supporting plates 53 penetrate through the supporting and fixing side plate 49, a second connecting plate 54 is arranged on one side of the supporting and fixing side plate 49, one side of each motor supporting plate 53 is fixedly connected with one side of the second connecting plate 54, one side of each second connecting plate 54 and one side of the supporting and fixing side plate 49 are connected through a plurality of fifth extension springs 55, the bottom of the motor supporting seat 48 is in contact with the top of the motor supporting plate 53, the second positioning columns 51 are positioned in the corresponding positioning holes 52, a plurality of supporting wheels 56 are arranged on the rotary positioning chuck 20, and the top ends of the supporting wheels 56 are in contact with the bottom of the lifting seat 4;

the second limiting clamping plate 46 is driven to rotate by the rotary driving motor 45, the rotary positioning chuck 20 and the rotary adjusting pulling plate 57 are enabled to rotate, the insulator body 5 and the hardware fitting 6 are enabled to rotate, the frequency of wind vibration is simulated, the supporting wheel 56 is arranged, the resistance of the rotary positioning chuck 20 and the rotary adjusting pulling plate 57 to rotate is reduced, the second connecting plate 54 is driven to move, the motor supporting plate 53 is enabled to move, the fifth stretching spring 55 is in a stretching state, the motor supporting plate 53 is enabled not to be located at the bottom of the motor supporting seat 48 any more, the motor supporting seat 48 and the rotary driving motor 45 move downwards, the second positioning column 51 is enabled to be separated from the positioning hole 52, the second limiting clamping plate 46 is enabled to be separated from the second limiting groove 47, and the dismantling of the rotary driving motor 45 can be completed.

The working principle is as follows: in operation, the lifting seat 4 is driven to move downwards by the hydraulic telescopic cylinder 58, so that the rotation adjusting pulling disc 57 moves downwards, the distance between the rotation adjusting pulling disc 57 and the swinging insulator connecting seat 11 is increased, the second connecting rope 18 pulls the movable post 16 to move, the length of the movable post 16 in the first groove 15 is shortened along with the continuous downward movement of the rotation adjusting pulling disc 57, the first stretching spring 17 is in a stretching state, the tension applied to the insulator body 5 and the fitting 6 is adjusted according to the stretching degree of the first stretching spring 17, the second limiting catch plate 46 is driven to rotate by the rotation driving motor 45, so that the rotation positioning chuck 20 and the rotation adjusting pulling disc 57 rotate, so that the insulator body 5 and the fitting 6 rotate, the frequency of wind shock is simulated, the resistance of the rotation positioning chuck 20 and the rotation adjusting pulling disc 57 is reduced by the supporting wheel 56, the motor supporting plate 53 is driven to move by driving the second connecting plate 54, so that the motor supporting plate 53 moves, the fifth stretching spring 55 is in a stretching state, so that the motor supporting plate 53 is no longer located at the bottom of the motor 48, so that the motor supporting seat 48 and the second limiting pulling disc 57 rotate, the supporting seat 35 and the swinging insulator connecting seat 45 are driven to move downwards, and the connecting seat 14, so that the third connecting seat 35 is not damaged by the third stretching spring 17, the swinging insulator is driven by the third stretching spring 17, the swinging insulator connecting seat 17, the connecting seat 11, the swinging insulator can be detached, the connecting seat 14, and the connecting seat, the connecting seat 11, the connecting seat can be detached by the third connecting seat, the third stretching spring 17, and the connecting seat, the third connecting seat can be detached by the third connecting seat, the third connecting seat 14, the safety is improved, the connecting ring 27 is driven to move downwards, the second stretching spring 28 is in a stretching state, the first positioning column 26 is driven to move downwards, the top end of the first positioning column 26 is separated from the first positioning groove 23 and the first through hole 24, the fixed relation between the second penetrating limiting column 12 and the fixed block 21 is removed, the two movable limiting clamping plates 13 are driven to move away from each other, the second penetrating limiting column 12 is separated from the slot 22 and the movable limiting clamping plates 13, the separation between the second penetrating limiting column 12 and the movable limiting clamping plates 13 is completed, the second penetrating limiting column 12 is driven to move, the second penetrating limiting column 12 does not penetrate through the hardware fittings 6 any more, and the dismantling of one hardware fitting 6 can be completed, through the first supporting baffle 7 that sets up, first through spacing post 9, second supporting baffle 10 and positioning mechanism, drive two adjustable fender 39 and keep away from the removal mutually, make fixture block 40 break away from second constant head tank 38, remove the spacing to first through spacing post 9, and fourth extension spring 43 is in tensile state, and then drive first supporting baffle 7 and remove, make first through spacing post 9 break away from second supporting baffle 10, accomplish the split between first through spacing post 9 and the second supporting baffle 10, and then drive first through spacing post 9 and break away from another gold utensil 6, can accomplish dismantling of insulator body 5 and gold utensil 6, the efficiency of dismouting has been improved, be convenient for in-service use, through the first connecting plate 44 that sets up, avoid adjustable fender 39 to break away from third fixed column 42.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A anti fatigue test equipment of insulator gold utensil vibration for high voltage substation, including anti fatigue test operation panel (1) and support footstock (2), its characterized in that: the support footstock (2) is arranged above the fatigue test operating platform (1), the top of the fatigue test operating platform (1) is connected with the bottom of the support footstock (2) through two support frames (3), a lifting seat (4) is arranged between the fatigue test operating platform (1) and the support footstock (2), the support frames (3) penetrate through the lifting seat (4), the bottom of the lifting seat (4) is connected with the top of the fatigue test operating platform (1) through two hydraulic telescopic cylinders (58), a rotary adjusting and pulling disc (57) is arranged at the top of the lifting seat (4), an insulator body (5) is arranged above the rotary adjusting and pulling disc (57), hardware fittings (6) are arranged at two ends of the insulator body (5), the two sides of one hardware fitting (6) are respectively provided with a first supporting baffle (7) and a second supporting baffle (10), the two sides of the other hardware fitting (6) are respectively provided with a movable limiting clamping plate (13), the tops of the first supporting baffle (7) and the second supporting baffle (10) are connected with a supporting top seat (2) through a first connecting rope (8), one side of the first supporting baffle (7) is fixedly connected with a first through limiting column (9), the first through limiting column (9) penetrates through the hardware fitting (6) and the second supporting baffle (10), and the second supporting baffle (10) is connected with the first through limiting column (9) through a positioning mechanism The rotary adjusting pulling disc (57) is connected with the insulator body (5) through an elastic pulling assembly;

the elastic pulling assembly comprises a swinging insulator connecting seat (11) arranged above a rotary adjusting pulling disc (57), a second through limiting column (12) is arranged between the two movable limiting clamping plates (13), a fitting (6) is penetrated through the second through limiting column (12), two ends of the second through limiting column (12) are respectively penetrated through the two movable limiting clamping plates (13), the movable limiting clamping plates (13) and the swinging insulator connecting seat (11) are connected through a sliding piece, the second through limiting column (12) and the movable limiting clamping plates (13) are connected through a locking mechanism, the swinging insulator connecting seat (11) is connected with a supporting top seat (2) through a pulling anti-falling mechanism, a first fixed column (14) is fixedly connected to the bottom of the swinging insulator connecting seat (11), a first groove (15) is formed in the bottom of the first fixed column (14), a movable column (16) is arranged in the first groove (15), the top end of the movable column (16) is connected with the inner wall of the top of the first groove (15) through a first stretching spring (17), the bottom end of the movable column (16) is connected with the rotary adjusting pulling disc (57), a lifting rope (19) is arranged below the rotary adjusting pulling disc (57), and a lifting rope (19) is connected with a rotary adjusting connecting seat (4), the bottom of the rotary connecting column (19) is fixedly connected with the top of the rotary positioning chuck (20), and a clamping and rotating mechanism matched with the rotary positioning chuck (20) is arranged below the lifting seat (4).

2. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 1, characterized in that: the locking mechanism comprises a fixing block (21) arranged on one side of a movable limiting clamping plate (13), one side of the fixing block (21) is fixedly connected with the movable limiting clamping plate (13), a slot (22) is formed in one side of the fixing block (21), the second end penetrating through a limiting column (12) is respectively located in two corresponding slots (22), two first positioning grooves (23) are formed in the second penetrating through the limiting column (12), a first through hole (24) is formed in the inner wall of each slot (22), two second through holes (25) are formed in the top of a swinging insulator connecting seat (11), a connecting ring (27) is arranged below the swinging insulator connecting seat (11), two first positioning columns (26) are fixedly connected to the top of the connecting ring (27), and the bottom of the swinging insulator connecting seat (11) is connected through a plurality of second stretching springs (28).

3. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 2, characterized in that: the top of first reference column (26) runs through second through-hole (25) and first through-hole (24) in proper order, and the top of first reference column (26) is located first positioning groove (23), and first spacing groove (29) have been seted up to one side inner wall of slot (22), and the second runs through the first spacing cardboard (30) of the equal fixedly connected with in both ends of spacing post (12), and first spacing cardboard (30) are located first spacing groove (29).

4. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 1, characterized in that: the sliding piece comprises four sliding grooves (31) formed in the top of the swinging insulator connecting seat (11), two sliding blocks (32) are fixedly connected to the bottom of the movable limiting clamping plate (13), the sliding blocks (32) are located in the sliding grooves (31), and the cross sections of the sliding grooves (31) and the sliding blocks (32) are of T-shaped structures.

5. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 1, characterized in that: dragging and falling prevention mechanism includes that two set up in second fixed column (33) that support footstock (2) bottom, the top of second fixed column (33) and the bottom fixed connection who supports footstock (2), second recess (34) have been seted up to the bottom of second fixed column (33), be equipped with in second recess (34) and prevent weighing down and drag post (36), prevent weighing down and drag the top of post (36) and the top inner wall of second recess (34) and pass through third extension spring (35) and be connected, prevent weighing down and drag the bottom of post (36) and extend to the below of second fixed column (33), and prevent weighing down and drag the bottom of post (36) and swing one side of insulator connecting seat (11) and be connected through third connection rope (37).

6. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 1, characterized in that: the positioning mechanism comprises two second positioning grooves (38) formed in a first through limiting column (9), two movable adjusting plates (39) are arranged on one side of a second supporting baffle plate (10), clamping blocks (40) are fixedly connected onto the movable adjusting plates (39), two first fixing plates (41) are arranged between the two movable adjusting plates (39), one sides of the first fixing plates (41) are fixedly connected with the second supporting baffle plate (10), and the first fixing plates (41) are connected with the movable adjusting plates (39) through elastic pull pieces.

7. The device for the vibration fatigue resistance test of the insulator hardware for the high-voltage substation according to claim 6, wherein: the piece is dragged to elasticity includes that two set up third fixed column (42) between activity regulating plate (39), two first fixed plate (41) are run through respectively in two third fixed column (42), third fixed column (42) and first fixed plate (41) fixed connection, two activity regulating plate (39) are run through respectively at the both ends of third fixed column (42), the both ends of third fixed column (42) all are equipped with fourth extension spring (43), the both ends of fourth extension spring (43) respectively with activity regulating plate (39) and first fixed plate (41) fixed connection, one side that two activity regulating plate (39) kept away from mutually all is equipped with first connecting plate (44), and the both ends of third fixed column (42) are connected with two first connecting plate (44) respectively.

8. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 1, characterized in that: the clamping and rotating mechanism comprises a rotating driving motor (45) arranged below a lifting seat (4), a second limiting groove (47) is formed in a rotating positioning chuck (20), the second limiting groove (46) is formed in the top end of the rotating driving motor (45), the second limiting groove (46) is formed in the second limiting groove (47), a motor supporting seat (48) is fixedly connected to the bottom of the rotating driving motor (45), supporting fixed side plates (49) are arranged on two sides of the motor supporting seat (48), the top of each supporting fixed side plate (49) is fixedly connected with the bottom of the lifting seat (4), a second fixing plate (50) is fixedly connected to one side of each supporting fixed side plate (49), a plurality of second positioning columns (51) are fixedly connected to the bottom of each second fixing plate (50), a plurality of positioning holes (52) are formed in the motor supporting seat (48), and supporting pieces are arranged at the bottom of the motor supporting seat (48).

9. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 8, characterized in that: the support piece comprises two motor support supporting plates (53) arranged at the bottom of the motor supporting seat (48), the motor support supporting plates (53) penetrate through and support the fixed side plate (49), a second connecting plate (54) is arranged on one side of the support fixed side plate (49), one side of each motor support supporting plate (53) is fixedly connected with one side of the second connecting plate (54), and one side of each second connecting plate (54) and one side of each support fixed side plate (49) are connected through a plurality of fifth extension springs (55).

10. The device for vibration fatigue resistance test of insulator fittings for high-voltage substations of claim 9, characterized in that: the bottom of the motor supporting seat (48) is in contact with the top of the motor supporting plate (53), the second positioning column (51) is located in the corresponding positioning hole (52), the rotary positioning chuck (20) is provided with a plurality of supporting wheels (56), and the top ends of the supporting wheels (56) are in contact with the bottom of the lifting seat (4).