CN215955875U

CN215955875U - Transformer owner becomes fan motor and overhauls elevating gear

Info

Publication number: CN215955875U
Application number: CN202122264002.XU
Authority: CN
Inventors: 刘斌斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-04
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a maintenance lifting device for a main transformer fan motor of a transformer, which comprises: the lifting device comprises a base, a lifting platform and a lifting mechanism, wherein a hydraulic lifting rod is installed at the top of the base, the lifting platform is arranged above the hydraulic lifting rod, and the base, the hydraulic lifting rod and the lifting platform are formed by the basis of the lifting device; the support sets up lift platform's top, and support one side installs the horizontal pole to the sleeve has been cup jointed to the outer wall of horizontal pole, the spring has been cup jointed to the horizontal pole near between support and the sleeve. This transformer owner becomes fan motor and overhauls elevating gear places the roof in lift platform's below, docks with the spacing groove through the rotatory screw thread post of pivot, then screws up the knob and compresses tightly the roof, can accomplish the equipment of hydraulic lifting rod and lift platform, can make lift platform go up and down stably through the telescopic connection between pole setting and the flexible groove, and the reaction of spring can cushion the protection to placing the main fan motor that becomes on overhauing the platform.

Description

Transformer owner becomes fan motor and overhauls elevating gear

Technical Field

The utility model relates to the technical field of transformer maintenance equipment, in particular to a maintenance lifting device for a main transformer fan motor of a transformer.

Background

Along with the long-term continuous operation of electric power system transformer, it breaks down to make the motor very easy, in addition, overhauls technical regulation requirement according to main transformer fan motor, should main transformer fan motor carry out dismouting overhaul every year, usually with main transformer fan motor dismantlement place on the lift overhauls the device, overhauls afterwards, also can transport the assigned position through elevating gear and install, however present maintenance elevating gear still has some defects, just as for example:

according to the patent number: the maintenance lifting device for the main transformer fan motor of the CN201220277646.0 transformer can obviously improve the working efficiency, reduce the labor intensity, avoid personal injury and have better safety performance;

the technical scheme also comprises the following steps:

1. the maintenance lifting device is inconvenient for carrying out buffer protection on a main transformer fan motor;

2. the maintenance lifting device is inconvenient to disassemble and assemble;

3. the lifting of the maintenance lifting device is not stable enough;

therefore, the maintenance lifting device of the main transformer fan motor of the existing transformer needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a maintenance lifting device for a main transformer fan motor of a transformer, and aims to solve the problems that the maintenance lifting device in the prior market is inconvenient to buffer and protect the main transformer fan motor, the maintenance lifting device is inconvenient to disassemble and assemble, and the lifting of the maintenance lifting device is unstable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a transformer owner becomes fan motor and overhauls elevating gear, includes:

the lifting device comprises a base, a lifting platform and a lifting mechanism, wherein a hydraulic lifting rod is installed at the top of the base, the lifting platform is arranged above the hydraulic lifting rod, and the base, the hydraulic lifting rod and the lifting platform are formed by the basis of the lifting device;

the support sets up lift platform's top, and support one side installs the horizontal pole to the sleeve has been cup jointed to the outer wall of horizontal pole, the horizontal pole is close to and has been cup jointed the spring between support and the sleeve, and the one end of connecting rod carries out swing joint with the sleeve, and the other end of connecting rod carries out swing joint with the maintenance platform.

Preferably, the inner diameter of the sleeve is matched with the diameter of the cross rod, the sleeve forms a sliding structure through the spring and the cross rod, and the sleeve presses the spring and is protected by the spring in a buffering mode when moving.

Preferably, the top of hydraulic pressure lifter is fixed with the roof, and the outer wall of roof has seted up the spacing groove, the dashpot has been seted up to lift platform's bottom, and the inside of dashpot is provided with the pivot to the one end and the pivot of screw thread post carry out swing joint, the screw thread post is connected with the spacing groove, and the screw thread post keeps away from the one end of pivot and is connected with the knob, and the screw thread post can rotate through being connected with the pivot, conveniently docks with the roof.

Preferably, the spacing groove is distributed with equal included angle about the axial lead of the top plate, the threaded column is in rotary connection with the rotating shaft, the diameter of the threaded column is smaller than the distance between the inner walls of the spacing groove, and after the threaded column is in butt joint with the spacing groove on the outer wall of the top plate, the knob is screwed down to complete positioning.

Preferably, flexible groove has all been seted up on the surface of lift platform and maintenance platform, and the inside in flexible groove is provided with the pole setting to the bottom and the base of pole setting are fixed, and lift platform and maintenance platform lift in-process, flexible groove also can remove along the pole setting.

Preferably, the pole setting is the symmetric distribution about the central line of base, and the diameter phase-match in pole setting and flexible groove to be telescopic connection between pole setting and the flexible groove, through the restriction of pole setting to flexible groove, can make lift platform and maintenance platform go up and down stably.

Compared with the prior art, the utility model has the beneficial effects that: this transformer owner becomes fan motor and overhauls elevating gear places the roof in lift platform's below, docks with the spacing groove through the rotatory screw thread post of pivot, then screws up the knob and compresses tightly the roof, can accomplish the equipment of hydraulic lifting rod and lift platform, can make lift platform go up and down stably through the telescopic connection between pole setting and the flexible groove, and the reaction of spring can cushion the protection to placing the main fan motor that becomes on overhauing the platform.

1. According to the overhaul lifting device for the main transformer fan motor of the transformer, when the main transformer fan motor is placed on the overhaul platform, the overhaul platform moves downwards under the action of gravity to drive the connecting rod to push the sleeve, the sleeve moves to extrude the springs to two sides, and the movement of the sleeve can be buffered through the reaction force of the springs, so that the effect of buffering and protecting the main transformer fan motor is achieved;

2. according to the overhauling lifting device for the main transformer fan motor of the transformer, the top plate fixed to the top of the hydraulic lifting rod is placed below the lifting platform, the rotating threaded column of the rotating shaft is in butt joint with the limiting groove formed in the outer wall of the top plate, then the knob is screwed up to push and press the top plate, the connection between the hydraulic lifting rod and the lifting platform can be completed, otherwise, the lifting platform can be disassembled, and therefore the effect of facilitating disassembly and assembly is achieved;

3. this transformer owner becomes fan motor and overhauls elevating gear starts hydraulic lifting rod and promotes lift platform rebound to assigned position, removes the in-process at lift platform, reaches the effect that lift platform stabilized going up and down through the telescopic connection between pole setting and the flexible groove.

Drawings

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

FIG. 2 is a schematic top view of the elevating platform of the present invention;

FIG. 3 is a schematic bottom cross-sectional view of the lift platform of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention.

In the figure: 1. a base; 2. a hydraulic lifting rod; 3. a lifting platform; 4. a support; 5. a cross bar; 6. a sleeve; 7. a spring; 8. a connecting rod; 9. overhauling the platform; 10. a top plate; 11. a limiting groove; 12. a buffer tank; 13. a rotating shaft; 14. a threaded post; 15. a knob; 16. a telescopic groove; 17. and (6) erecting a rod.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a transformer owner becomes fan motor and overhauls elevating gear, includes: base 1, hydraulic lifting rod 2 is installed at base 1's top, and hydraulic lifting rod 2's top is provided with lift platform 3, base 1, hydraulic lifting rod 2 and lift platform 3 constitute for this elevating gear's basis, support 4, the setting is at lift platform 3's top, and support 4 one side installs horizontal pole 5, and sleeve 6 has been cup jointed to the outer wall of horizontal pole 5, horizontal pole 5 has been close to and has been cup jointed spring 7 between support 4 and the sleeve 6, and connecting rod 8's one end carries out swing joint with sleeve 6, and connecting rod 8's the other end carries out swing joint with maintenance platform 9.

The inner diameter of the sleeve 6 is matched with the diameter of the cross rod 5, and the sleeve 6 and the cross rod 5 form a sliding structure through a spring 7.

When main change fan motor puts maintenance platform 9 on, maintenance platform 9 receives gravity downstream to drive connecting rod 8 and promotes sleeve 6, and sleeve 6 removes then can be to both sides extrusion spring 7, can cushion sleeve 6's removal through spring 7's reaction force to reach the effect of buffering the protection to main change fan motor.

A top plate 10 is fixed at the top of the hydraulic lifting rod 2, a limiting groove 11 is formed in the outer wall of the top plate 10, a buffer groove 12 is formed in the bottom of the lifting platform 3, a rotating shaft 13 is arranged inside the buffer groove 12, one end of a threaded column 14 is movably connected with the rotating shaft 13, the threaded column 14 is connected with the limiting groove 11, and a knob 15 is connected to one end, far away from the rotating shaft 13, of the threaded column 14; the limiting groove 11 is distributed at an equal included angle relative to the axial lead of the top plate 10, the threaded column 14 is rotatably connected with the rotating shaft 13, and the diameter of the threaded column 14 is smaller than the distance between the inner walls of the limiting groove 11.

Place the fixed roof 10 in hydraulic lifting rod 2 top in the below of lift platform 3, dock through the spacing groove 11 that pivot 13 rotatory screw thread post 14 and roof 10 outer wall were seted up, then screw up knob 15 and promote to compress tightly roof 10, can accomplish being connected of hydraulic lifting rod 2 and lift platform 3, otherwise, can accomplish lift platform 3's dismantlement to reach the effect of being convenient for carry out the dismouting.

Telescopic grooves 16 are formed in the surfaces of the lifting platform 3 and the overhaul platform 9, vertical rods 17 are arranged inside the telescopic grooves 16, and the bottoms of the vertical rods 17 are fixed with the base 1; the upright rods 17 are symmetrically distributed about the central line of the base 1, the diameters of the upright rods 17 are matched with those of the telescopic grooves 16, and the upright rods 17 are in telescopic connection with the telescopic grooves 16.

The hydraulic lifting rod 2 is started to push the lifting platform 3 to move upwards to a specified position, and in the moving process of the lifting platform 3, the effect of stable lifting of the lifting platform 3 is achieved through the telescopic connection between the upright rod 17 and the telescopic groove 16.

In summary, the top plate 10 is placed below the lifting platform 3, the threaded column 14 is rotated through the rotating shaft 13 to be in butt joint with the limiting groove 11, then the knob 15 is screwed down to press the top plate 10 tightly, so that the assembly of the hydraulic lifting rod 2 and the lifting platform 3 can be completed, next, the hydraulic lifting rod 2 is started to push the lifting platform 3 to be lifted to the position of the fan motor to be repaired, the main fan motor is disassembled and is placed on the maintenance platform 9, the maintenance platform 9 drives the sleeve 6 to extrude the spring 7, the main fan motor can be buffered and protected through the reactive force of the spring 7, and after the maintenance is completed, the main fan motor is lifted to the installation position to be installed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a transformer owner becomes fan motor and overhauls elevating gear which characterized in that includes:

the lifting device comprises a base (1), wherein a hydraulic lifting rod (2) is installed at the top of the base (1), a lifting platform (3) is arranged above the hydraulic lifting rod (2), and the base (1), the hydraulic lifting rod (2) and the lifting platform (3) are formed by the basis of the lifting device;

support (4), the setting is in the top of lift platform (3), and support (4) one side installs horizontal pole (5) to the outer wall of horizontal pole (5) has cup jointed sleeve (6), horizontal pole (5) are close to and have cup jointed spring (7) between support (4) and sleeve (6), and the one end of connecting rod (8) carries out swing joint with sleeve (6), and the other end of connecting rod (8) carries out swing joint with maintenance platform (9).

2. The overhaul lifting device for the main transformer fan motor of the transformer as claimed in claim 1, characterized in that: the inner diameter of the sleeve (6) is matched with the diameter of the cross rod (5), and the sleeve (6) forms a sliding structure with the cross rod (5) through the spring (7).

3. The overhaul lifting device for the main transformer fan motor of the transformer as claimed in claim 1, characterized in that: the top of hydraulic lifting rod (2) is fixed with roof (10), and the outer wall of roof (10) has seted up spacing groove (11), buffer slot (12) have been seted up to the bottom of lift platform (3), and the inside of buffer slot (12) is provided with pivot (13) to the one end and pivot (13) of screw thread post (14) carry out swing joint, screw thread post (14) are connected with spacing groove (11), and the one end that pivot (13) were kept away from in screw thread post (14) is connected with knob (15).

4. The overhaul lifting device for the main transformer fan motor of the transformer as claimed in claim 3, wherein: the limiting groove (11) is distributed at equal included angles relative to the axial lead of the top plate (10), the threaded column (14) is in rotary connection with the rotating shaft (13), and the diameter of the threaded column (14) is smaller than the distance between the inner walls of the limiting groove (11).

5. The overhaul lifting device for the main transformer fan motor of the transformer as claimed in claim 1, characterized in that: the surface of lifting platform (3) and maintenance platform (9) has all been seted up flexible groove (16), and the inside in flexible groove (16) is provided with pole setting (17) to the bottom and base (1) of pole setting (17) are fixed.

6. The overhaul lifting device for the main transformer fan motor of the transformer as claimed in claim 5, wherein: the pole setting (17) are the symmetric distribution about the central line of base (1), and the diameter of pole setting (17) and the diameter phase-match of flexible groove (16) to be telescopic connection between pole setting (17) and flexible groove (16).